Research Topics
Genomes and Genes
| Jean Laurent CasanovaSummaryCountry: France Publications
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Publications
Pyogenic bacterial infections in humans with MyD88 deficiencyHorst von Bernuth
Human Genetics of Infectious Diseases, INSERM U550, Paris, France
Science 321:691-6. 2008..The MyD88-dependent TLRs and IL-1Rs are therefore essential for protective immunity to a small number of pyogenic bacteria, but redundant for host defense to most natural infections...
Human genetics of infectious diseases: a unified theoryJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, University of Paris Rene Descartes, INSERM, U550, Necker Medical School, Paris, France
EMBO J 26:915-22. 2007....
A fast procedure for the detection of defects in Toll-like receptor signalingHorst von Bernuth
Laboratory of Human Genetics of Infectious Diseases, University of Paris Rene Descartes, Institut National de la Santé et de la Recherche Médicale U550, Necker Medical School, Paris, France
Pediatrics 118:2498-503. 2006..We, therefore, aimed to develop a cheap and fast test for the detection of defects in Toll-like receptor signaling...
IRAK4 and NEMO mutations in otherwise healthy children with recurrent invasive pneumococcal diseaseCheng Lung Ku
Laboratory of Human Genetics of Infectious Diseases, Necker Medical School, University of Paris Rene Descartes, Paris, France
J Med Genet 44:16-23. 2007..About 2% of childhood episodes of invasive pneumococcal disease (IPD) are recurrent, and most remain unexplained...
Gain-of-glycosylation mutationsGuillaume Vogt
Laboratory of Human Genetics of Infectious Diseases, INSERM, U550, Paris 75015, France
Curr Opin Genet Dev 17:245-51. 2007..The chemical complementation of cells from patients in vitro with various modifiers of glycosylation has been demonstrated and raises the possibility of specific chemical treatments for patients bearing gain-of-glycosylation mutations...
[Mendelian predisposition to mycobacterial infections in humans]J L Casanova
Laboratoire INSERM U429, Hopital Necker Enfants Malades, Paris
J Soc Biol 194:25-8. 2000..Although genetically distinct, these conditions are immunologically related and highlight the essential role of interferon gamma-mediated immunity in the control of mycobacteria in man...
Mutations in STAT3 and IL12RB1 impair the development of human IL-17-producing T cellsLudovic de Beaucoudrey
Laboratory of Human Genetics of Infectious Diseases, U550, Institut National de la Sante et de la Recherche Medicale, 75015 Paris, France
J Exp Med 205:1543-50. 2008..These data suggest that IL-12Rbeta1- and STAT-3--dependent signals play a key role in the differentiation and/or expansion of human IL-17-producing T cell populations in vivo...
The human model: a genetic dissection of immunity to infection in natural conditionsJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, 156 rue de Vaugirard, 75015 Paris, France, EU
Nat Rev Immunol 4:55-66. 2004..The human model is therefore an indispensable complement to animal models, as it allows an observational genetic dissection of immunity to infection...
Revisiting human primary immunodeficienciesJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, Paris, France
J Intern Med 264:115-27. 2008..We need to increase awareness of the multitude of clinical presentations of human PIDs considerably and rapidly in the medical community. Human PIDs should be considered in a wide range of clinical situations...
Primary immunodeficiencies: a field in its infancyJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, U550, Paris, France
Science 317:617-9. 2007..It now appears that most individuals suffer from at least one of a multitude of primary immunodeficiencies, the dissection of which is helping to improve human medicine while describing immunity in natura...
Inborn errors of immunity to infection: the rule rather than the exceptionJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, Pediatric Hematology Immunology Unit, Necker Enfants Malades Hospital, Paris, France
J Exp Med 202:197-201. 2005..We argue here that most individuals retain a natural vulnerability to infectious diseases, reflecting a great diversity of inborn errors of immunity...
From idiopathic infectious diseases to novel primary immunodeficienciesJean Laurent Casanova
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM U550, Faculte de Medecine Necker, Paris, France
J Allergy Clin Immunol 116:426-30. 2005....
Human Mannose-binding Lectin in Immunity: Friend, Foe, or Both?Jean Laurent Casanova
Pediatric Hematology Immunology Unit, Necker Enfants Malades Hospital, Paris, France
J Exp Med 199:1295-9. 2004..These data suggest that human MBL is largely redundant for protective immunity and may even have been subject to counter selection because of a deleterious impact...
Mendelian susceptibility to mycobacterial infection in manJ L Casanova
Unité Clinique d Immunologie et d Hématologie Pédiatriques, Hopital Necker Enfants Malades, Paris, France
Swiss Med Wkly 131:445-54. 2001..The genetic and immunologic heterogeneity of this syndrome makes accurate diagnosis challenging but vital as decisions about the most appropriate treatment are best taken based on an accurate molecular diagnosis...
Forward genetics of infectious diseases: immunological impactJean-Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, , Necker Medical School, Paris, France, EU
Trends Immunol 23:469-72. 2002
Genetic dissection of immunity to mycobacteria: the human modelJean Laurent Casanova
Laboratory of Human Genetics of Infectious Diseases, Université René Descartes INSERM U550, Necker Medical School, 156 rue de Vaugirard, 75015 Paris, France
Annu Rev Immunol 20:581-620. 2002..The human model has potential uses beyond the study of mycobacterial infections and may well become a model of choice for the investigation of immunity to infectious agents...
A novel form of complete IL-12/IL-23 receptor beta1 deficiency with cell surface-expressed nonfunctional receptorsClaire Fieschi
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes Institut National de la Santé et de la Recherche Médicale U550, Paris, France, EU
Blood 104:2095-101. 2004..Paradoxically, the largest IL12RB1 mutation detected is associated with the cell surface expression of nonfunctional IL-12Rbeta1, defining a novel genetic form of IL-12Rbeta1 deficiency...
Pyogenic bacterial infections in humans with IRAK-4 deficiencyCapucine Picard
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université René Descartes INSERM U550, Faculte Necker, 156 rue de Vaugirard, 75015 Paris, France
Science 299:2076-9. 2003..These findings suggest that, in humans, the TIR-IRAK signaling pathway is crucial for protective immunity against specific bacteria but is redundant against most other microorganisms...
Inherited interleukin-12 deficiency: IL12B genotype and clinical phenotype of 13 patients from six kindredsCapucine Picard
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université René Descartes INSERM U550, Faculte de Medecine Necker, Paris, France
Am J Hum Genet 70:336-48. 2002..To date, two founder IL12B mutations have been identified, accounting for the recurrence of a large deletion and a small insertion within populations from the Indian subcontinent and from the Arabian Peninsula, respectively...
Novel STAT1 alleles in otherwise healthy patients with mycobacterial diseaseAriane Chapgier
Laboratory of Human Genetics of Infectious Diseases, University of Paris Rene Descartes, INSERM U550, Necker Medical School, Paris, France
PLoS Genet 2:e131. 2006..These STAT1 alleles define two forms of dominant STAT1 deficiency, depending on whether the mutations impair STAT1 phosphorylation or DNA binding...
Herpes simplex virus encephalitis in human UNC-93B deficiencyArmanda Casrouge
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes, INSERM, U550, Faculte de Medecine Necker, Paris 75015, France
Science 314:308-12. 2006..HSE can result from a single-gene immunodeficiency that does not compromise immunity to most pathogens, unlike most known primary immunodeficiencies. Other severe infectious diseases may also reflect monogenic disorders of immunity...
Gains of glycosylation comprise an unexpectedly large group of pathogenic mutationsGuillaume Vogt
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, 156 rue de Vaugirard, 75015 Paris, France
Nat Genet 37:692-700. 2005..Thus, an unexpectedly high proportion of mutations that cause human genetic disease might lead to the creation of new N-glycosylation sites. Their pathogenic effects may be a direct consequence of the addition of N-linked carbohydrate...
Impaired response to interferon-alpha/beta and lethal viral disease in human STAT1 deficiencyStephanie Dupuis
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM UMR550, Faculte de Medecine Necker Enfants Malades, 75015 Paris, France
Nat Genet 33:388-91. 2003..Viral multiplication was not inhibited by recombinant IFN-alpha/beta in cell lines from the two individuals. Inherited impairment of the STAT1-dependent response to human IFN-alpha/beta thus results in susceptibility to viral disease...
Human TLR-7-, -8-, and -9-mediated induction of IFN-alpha/beta and -lambda Is IRAK-4 dependent and redundant for protective immunity to virusesKun Yang
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, 75015 Paris, France
Immunity 23:465-78. 2005..The TLR-7-, TLR-8-, and TLR-9-dependent induction of IFN-alpha/beta and -lambda is strictly IRAK-4 dependent and paradoxically redundant for protective immunity to most viruses in humans...
Human primary immunodeficiencies of type I interferonsEmmanuelle Jouanguy
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, U550, 75015 Paris, France
Biochimie 89:878-83. 2007..These novel inherited disorders strongly suggest that type I IFN-mediated immunity is essential for protection against natural infections caused by several viruses in humans...
Bacillus Calmette Guerin triggers the IL-12/IFN-gamma axis by an IRAK-4- and NEMO-dependent, non-cognate interaction between monocytes, NK, and T lymphocytesJacqueline Feinberg
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM U550, Faculte de Medecine Necker, Paris, France
Eur J Immunol 34:3276-84. 2004..The stimulation of whole blood by live BCG thus triggers the IL-12/IFN-gamma axis by an IRAK-4- and NEMO-dependent, non-cognate interaction between monocytes, NK, and T lymphocytes...
Novel primary immunodeficiencies revealed by the investigation of paediatric infectious diseasesJacinta Bustamante
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, INSERM U550, Paris 75015, France, EU
Curr Opin Immunol 20:39-48. 2008....
Autosomal dominant STAT3 deficiency and hyper-IgE syndrome: molecular, cellular, and clinical features from a French national surveyMarie Olivia Chandesris
Hematology Department, Necker Enfants Malades Hospital, Assistance Publique Hopitaux de Paris, Paris, France
Medicine (Baltimore) 91:e1-19. 2012..Overall, the prognosis of STAT3 deficiency may be considered good, provided that multiple prophylactic measures, including IgG infusions, are implemented...
Inborn errors of interferon (IFN)-mediated immunity in humans: insights into the respective roles of IFN-alpha/beta, IFN-gamma, and IFN-lambda in host defenseShen Ying Zhang
Laboratory of Human Genetics of Infectious Diseases, Institut National de Santé et de Recherche Médicale, U550, Paris, France, EU
Immunol Rev 226:29-40. 2008..Future studies in humans aim to define the specific roles of IFN-alpha/beta and IFN-lambda types and individual molecules in host defense in natura...
Genetic susceptibility to herpes simplex virus 1 encephalitis in mice and humansVanessa Sancho Shimizu
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, Paris, France
Curr Opin Allergy Clin Immunol 7:495-505. 2007..Its pathogenesis has long remained elusive. We highlight the investigations dealing with the genetic basis of herpes simplex encephalitis in mice and humans...
A novel X-linked recessive form of Mendelian susceptibility to mycobaterial diseaseJacinta Bustamante
Laboratoire de Génétique Humaine des Maladies Infectieuses INSERM Unité 550, Faculte Necker, Paris, France
J Med Genet 44:e65. 2007..The gene products are physiologically related, as they are involved in interleukin 12/23-dependent, interferon gamma-mediated immunity. However, no genetic aetiology has yet been identified for about half the patients with MSMD...
From infectious diseases to primary immunodeficienciesJacinta Bustamante
Laboratory of Human Genetics of Infectious Diseases, Institut Nationale de la Santé et de la Recherché Médicale, INSERM U550, 75015 Paris, France
Immunol Allergy Clin North Am 28:235-58, vii. 2008..This challenging process will eventually reap its rewards, to the benefit of patients and their families...
Inborn errors of IL-12/23- and IFN-gamma-mediated immunity: molecular, cellular, and clinical featuresOrchidée Filipe-Santos
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U 550, Necker Medical School, 75015 Paris, France, EU
Semin Immunol 18:347-61. 2006..We review here the molecular, cellular, and clinical features of patients with inborn errors of the IL-12/23-IFN-gamma circuit...
Partial MCM4 deficiency in patients with growth retardation, adrenal insufficiency, and natural killer cell deficiencyLaure Gineau
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale U980, Paris, France
J Clin Invest 122:821-32. 2012..Thus, partial MCM4 deficiency results in a genetic syndrome of growth retardation with adrenal insufficiency and selective NK deficiency...
Complementation of a pathogenic IFNGR2 misfolding mutation with modifiers of N-glycosylationGuillaume Vogt
Laboratory of Human Genetics of Infectious Diseases, U550, Institut National de la Sante et de la Recherche Medicale INSERM, 75015 Paris, France
J Exp Med 205:1729-37. 2008..Some of these compounds are available for clinical use, paving the way for clinical trials of chemical complementation for various human genetic traits...
Selective predisposition to bacterial infections in IRAK-4-deficient children: IRAK-4-dependent TLRs are otherwise redundant in protective immunityCheng Lung Ku
Laboratory of Human Genetics of Infectious Diseases, U550, Institut National de la Sante et de la Recherche Medicale, 75015 Paris, France
J Exp Med 204:2407-22. 2007..Conversely, IRAK-4-dependent human TLRs appear to play a redundant role in protective immunity to most infections, at most limited to childhood immunity to some pyogenic bacteria...
Heritable defects of the human TLR signalling pathwaysAnne Puel
University of Paris INSERM U550, Necker Medical School, Paris, France
J Endotoxin Res 11:220-4. 2005..These data, therefore, suggest that TLRs play a critical role in host defence against pyogenic bacteria, but may be dispensable or redundant for immunity to most other infectious agents in humans...
Inherited human IRAK-4 deficiency: an updateCapucine Picard
Centre d Etude des Déficits Immunitaires, Hopital Necker Enfants Malades, 149 rue de Sevres, Paris, 75015, France, EU
Immunol Res 38:347-52. 2007..We briefly review inherited human IRAK-4 deficiency, a recently described primary immunodeficiency leading to recurrent, invasive, pyogenic bacteria infection, and invasive pneumococcal disease in particular...
IgM+IgD+CD27+ B cells are markedly reduced in IRAK-4-, MyD88-, and TIRAP- but not UNC-93B-deficient patientsSandra Weller
INSERM U783, Développement du Système Immunitaire, Faculté de Médecine Site Necker Enfants Malades, Universite Paris Descartes, Paris, France
Blood 120:4992-5001. 2012..Hence, we propose a role for TIRAP-dependent TLRs, possibly TLR10 in particular, in the development and/or maintenance of IgM(+)IgD(+)CD27(+) B cells in humans...
TLR3 deficiency in patients with herpes simplex encephalitisShen Ying Zhang
Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale INSERM, U550, Faculty Necker, Paris 75015, France
Science 317:1522-7. 2007..Human TLR3 appears to be redundant in host defense to most microbes but is vital for natural immunity to HSV-1 in the CNS, which suggests that neurotropic viruses have contributed to the evolutionary maintenance of TLR3...
Partial T and B lymphocyte immunodeficiency and predisposition to lymphoma in patients with hypomorphic mutations in ArtemisDespina Moshous
Unité Développement Normal et Pathologique du Système Immunitaire, Institut National de la Santé et de la Recherche Médicale INSERM U429, Hopital Necker Enfants Malades, Paris, France
J Clin Invest 111:381-7. 2003..This syndrome emphasizes the role of Artemis in the NHEJ pathway of DNA repair and suggests that other, yet ill-defined, conditions associating immunodeficiency and lymphoma could be caused by mutations in genes encoding NHEJ factors...
BCG-osis and tuberculosis in a child with chronic granulomatous diseaseJacinta Bustamante
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale U550 University Paris René Descartes, Necker Medical School, Paris, France
J Allergy Clin Immunol 120:32-8. 2007..Chronic granulomatous disease should be suspected in all children with BCG-osis, even in the absence of nonmycobacterial infectious diseases, and in selected children with recurrent BCG-itis or severe tuberculosis...
Autoantibodies against IL-17A, IL-17F, and IL-22 in patients with chronic mucocutaneous candidiasis and autoimmune polyendocrine syndrome type IAnne Puel
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale INSERM, U550, 75015 Paris, France
J Exp Med 207:291-7. 2010..These findings suggest that auto-Abs against IL-17A, IL-17F, and IL-22 may cause CMC in patients with APS-I...
A novel developmental and immunodeficiency syndrome associated with intrauterine growth retardation and a lack of natural killer cellsFrederic Bernard
Unité d Immunologie Hématologie Pédiatrique, Hopital Necker Enfants Malades, Paris, France
Pediatrics 113:136-41. 2004..To describe a novel syndrome characterized by severe prenatal and postnatal growth failure, mild skeletal and facial abnormalities, and primary immunodeficiency...
Hematopoietic stem cell transplantation in hemophagocytic lymphohistiocytosis: a single-center report of 48 patientsMarie Ouachée-Chardin
Department of Pediatric Immuno Hematology, Necker Enfants Malades Hospital, Paris, France
Pediatrics 117:e743-50. 2006..Chemotherapy- or immunotherapy-based treatments can achieve remission. Hematopoietic stem cell transplantation (HSCT), however, is the only curative option, but optimal modalities and long-term outcome are not yet well known...
Human TRAF3 adaptor molecule deficiency leads to impaired Toll-like receptor 3 response and susceptibility to herpes simplex encephalitisRebeca Pérez de Diego
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U980, Necker Medical School, Paris, France
Immunity 33:400-11. 2010..Thus, TLR3-mediated immunity against primary infection by HSV-1 in the central nervous system is critically dependent on TRAF3...
Age-dependent Mendelian predisposition to herpes simplex virus type 1 encephalitis in childhoodLaurent Abel
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM National Institute of Health and Medical Research, Paris, France
J Pediatr 157:623-9, 629.e1. 2010..To test the hypothesis that predisposition to childhood herpes simplex virus (HSV) type 1 encephalitis (HSE) may be determined in part by human genetic factors...
Primary immunodeficiencies associated with pneumococcal diseaseCapucine Picard
Pediatric Immunology Hematology Unit, Necker Enfants Malades Hospital, University of Paris Rene Descartes, Paris, France, EU
Curr Opin Allergy Clin Immunol 3:451-9. 2003..We thus reviewed the medical literature on cases of S. pneumoniae infection in patients with primary immunodeficiency diseases, with a particular emphasis on invasive pneumococcal disease...
Gain-of-function human STAT1 mutations impair IL-17 immunity and underlie chronic mucocutaneous candidiasisLuyan Liu
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Medical School, Institut National de la Santé et de la Recherche Médicale U980 and University Paris Descartes, 75015 Paris, France
J Exp Med 208:1635-48. 2011..Gain-of-function STAT1 alleles therefore cause AD CMCD by impairing IL-17 immunity...
Herpes simplex virus encephalitis in a patient with complete TLR3 deficiency: TLR3 is otherwise redundant in protective immunityYiqi Guo
1St Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY, USA Laboratory of Human Genetics of Infectious Diseases, National Institute of Health and Medical Research, Paris, France Necker Medical School, Paris Descartes University, Paris 75015, France
J Exp Med 208:2083-98. 2011....
A hypermorphic IkappaBalpha mutation is associated with autosomal dominant anhidrotic ectodermal dysplasia and T cell immunodeficiencyGilles Courtois
Unité de Biologie Moléculaire de l Expression Génique, Centre National de la Recherche Scientifique URA 2582, Institut Pasteur, Paris, France
J Clin Invest 112:1108-15. 2003..Our report highlights both the diversity of genotypes associated with EDA-ID and the diversity of immunologic phenotypes associated with mutations in different components of the NF-kappaB signaling pathway...
Genetic dissection of immunity in leprosyAlexandre Alcais
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes, Institut National de la Santé et de la Recherche Medicale U 550, Faculte de Medecine Necker, Paris, France, European Union
Curr Opin Immunol 17:44-8. 2005..leprae. With respect to genome-wide screens, a major breakthrough has been reported this year; variants in the regulatory region shared by PARK2 and PACRG have been identified as being common risk factors for leprosy...
Tuberculosis in children and adults: two distinct genetic diseasesAlexandre Alcais
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, 75015 Paris, France
J Exp Med 202:1617-21. 2005..Here, we argue that tuberculosis and its clinical expression largely reflect the underlying human genetic background...
X-linked susceptibility to mycobacteria is caused by mutations in NEMO impairing CD40-dependent IL-12 productionOrchidée Filipe-Santos
Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes Institut National de la Santé et de la Recherche Médicale INSERM U 550, Necker Medical School, Paris, France
J Exp Med 203:1745-59. 2006..They also demonstrate the importance of the T cell- and CD40L-triggered, CD40-, and NEMO/NF-kappaB/c-Rel-mediated induction of IL-12 by monocyte-derived cells for protective immunity to mycobacteria in humans...
A major locus on chromosome 3p22 conferring predisposition to human herpesvirus 8 infectionVincent Pedergnana
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale U980, Paris, France
Eur J Hum Genet 20:690-5. 2012..83, P=2.0 × 10(-5)). This study provides the first evidence that HHV-8 infection in children in endemic areas has a strong genetic basis involving at least one recessive major locus on chromosome 3p22...
Herpes simplex encephalitis in children with autosomal recessive and dominant TRIF deficiencyVanessa Sancho-Shimizu
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale, Necker Medical School, Paris, France
J Clin Invest 121:4889-902. 2011..They further demonstrate the importance of TRIF for the TLR3-dependent production of antiviral IFNs in the CNS during primary infection with HSV-1 in childhood...
Accounting for genetic heterogeneity in homozygosity mapping: application to Mendelian susceptibility to mycobacterial diseaseAudrey V Grant
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université Paris Descartes INSERM U980, Faculte de Medecine Necker, 156 rue de Vaugirard, Paris, France
J Med Genet 48:567-71. 2011..Genome-wide homozygosity mapping is a powerful method for locating rare recessive Mendelian mutations. However, statistical power decreases dramatically in the presence of genetic heterogeneity...
New mechanism of X-linked anhidrotic ectodermal dysplasia with immunodeficiency: impairment of ubiquitin binding despite normal folding of NEMO proteinMarjorie Hubeau
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, U980, Paris, France
Blood 118:926-35. 2011..They also demonstrate that the normal expression and folding of NEMO do not exclude a pathogenic role for NEMO mutations in patients with EDA-ID...
Revisiting human IL-12Rβ1 deficiency: a survey of 141 patients from 30 countriesLudovic de Beaucoudrey
Laboratory of Human Genetics of Infectious Diseases U980, Institut National de la Sante et de la Recherche Medicale, Paris, France
Medicine (Baltimore) 89:381-402. 2010..The condition has higher clinical penetrance, broader susceptibility to infections, and less favorable outcome than previously thought...
Human Toll-like receptor-dependent induction of interferons in protective immunity to virusesShen Ying Zhang
Laboratory of Human Genetics of Infectious Diseases, Institut National de la Sante et de la Recherche Medicale, Paris, France, EU
Immunol Rev 220:225-36. 2007....
IFN-gamma mediates the rejection of haematopoietic stem cells in IFN-gammaR1-deficient hostsMartin Rottman
Laboratoire de Genetique Humaine des Maladies Infectieuses, INSERM, U550, Paris, France
PLoS Med 5:e26. 2008..This high rejection rate is not seen in any other congenital disorders and remains unexplained. We studied the underlying mechanism in a mouse model of HSCT for IFN-gammaR1 deficiency...
Human CD14dim monocytes patrol and sense nucleic acids and viruses via TLR7 and TLR8 receptorsJerome Cros
U838 INSERM, Universite Paris Descartes, Paris, France
Immunity 33:375-86. 2010..Thus, CD14(dim) cells are bona fide monocytes involved in the innate local surveillance of tissues and the pathogenesis of autoimmune diseases...
Genome-wide association study identifies variants associated with progression of liver fibrosis from HCV infectionEtienne Patin
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Medical School, INSERM Unité 980, Paris, France
Gastroenterology 143:1244-52.e1-12. 2012..Only a fraction of patients with chronic HCV infection develop liver fibrosis, a process that might also be affected by genetic factors. We performed a 2-stage GWA study of liver fibrosis progression related to HCV infection...
Human monogenic disorders that confer predisposition to specific infectionsCapucine Picard
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM U550, Faculte de Medecine Necker, 156 rue de Vaugirard, 75015 Paris, France
Novartis Found Symp 281:65-73; discussion 73-8, 208-9. 2007..These 'experiments of nature' have important immunological and clinical implications...
Inborn errors of mucocutaneous immunity to Candida albicans in humans: a role for IL-17 cytokines?Anne Puel
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U980, University Paris Descartes, Necker Medical School, Paris, France, EU
Curr Opin Immunol 22:467-74. 2010..albicans. They also suggest that the distinct syndrome of isolated CMC, without auto-immunity or other infections, may be caused by inborn errors of IL-17 immunity...
Clinical features and outcome of patients with IRAK-4 and MyD88 deficiencyCapucine Picard
Study Center of Primary Immunodeficiencies, Assistance Publique Hopitaux de Paris, Paris, France
Medicine (Baltimore) 89:403-25. 2010..Prophylactic measures in childhood are beneficial, until spontaneous improvement occurs in adolescence...
Genetic lessons learned from X-linked Mendelian susceptibility to mycobacterial diseasesJacinta Bustamante
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale, Paris, France
Ann N Y Acad Sci 1246:92-101. 2011..These experiments of Nature illustrate how specific germline mutations in pleiotropic genes can dissociate signaling pathways or cell lineages, thereby resulting in surprisingly narrow clinical phenotypes...
Reduced expression of FOXP3 and regulatory T-cell function in severe forms of early-onset autoimmune enteropathyNicolette Moes
Universite Paris Descartes, Paris, France
Gastroenterology 139:770-8. 2010..We analyzed the molecular basis of neonatal or early postnatal AIE using clinical, genetic, and functional immunological studies...
Efficacy of gene therapy for X-linked severe combined immunodeficiencySalima Hacein-Bey-Abina
Department of Biotherapy, Necker Enfants Malades Hospital, Paris, France
N Engl J Med 363:355-64. 2010..We reviewed long-term outcomes after gene therapy in nine patients with X-linked severe combined immunodeficiency (SCID-X1), which is characterized by the absence of the cytokine receptor common gamma chain...
Familial NK cell deficiency associated with impaired IL-2- and IL-15-dependent survival of lymphocytesCeline Eidenschenk
Laboratoire de Genetique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM Unité 550, Faculte de Medecine Necker, 156 rue de Vaugirard, 75015 Paris, France, European Union EU
J Immunol 177:8835-43. 2006..Impaired cytokine-mediated lymphocyte survival is likely to be the pathogenic mechanism underlying this novel form of inherited and selective NK deficiency in humans...
Association of IL12RB1 polymorphisms with pulmonary tuberculosis in adults in MoroccoNatascha Remus
Laboratory of Human Genetics of Infectious Diseases, University of Paris Rene Descartes, INSERM U550, Paris, France
J Infect Dis 190:580-7. 2004..CC, 2.69 [95% confidence interval, 1.19-6.09]). This result suggests that IL12RB1 polymorphisms might influence the risk of development of PTB in adults...
Major histocompatibility complex class II expression deficiency caused by a RFXANK founder mutation: a survey of 35 patientsMonia Ouederni
Pediatric Hematology Immunology Unit, Assistance Publique Hopitaux de Paris, Necker Hospital, France
Blood 118:5108-18. 2011..RFXANK deficiency is a severe, often fatal CID for which HSCT is the only curative treatment. However, some patients may survive for relatively long periods if multiple prophylactic measures are implemented...
Germline CYBB mutations that selectively affect macrophages in kindreds with X-linked predisposition to tuberculous mycobacterial diseaseJacinta Bustamante
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale, U980, Paris, France
Nat Immunol 12:213-21. 2011..This 'experiment of nature' indicates that CYBB is associated with MSMD and demonstrates that the respiratory burst in human macrophages is a crucial mechanism for protective immunity to tuberculous mycobacteria...
The role of interleukin-12 in human infectious diseases: only a faint signatureClaire Fieschi
Laboratory of Human Genetics of Infectious Diseases, , France, EU
Eur J Immunol 33:1461-4. 2003..More surprisingly, IL-12 was recently found to be redundant even in defense against primary intection by Mycobacteria and Salmonella in many patients, and against secondary infection by Mycobacteria but not Salmonella in most patients...
Inborn errors of human STAT1: allelic heterogeneity governs the diversity of immunological and infectious phenotypesStéphanie Boisson-Dupuis
St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
Curr Opin Immunol 24:364-78. 2012..These experiments of Nature neatly highlight the clinical and immunological impact of the human genetic dissection of infectious phenotypes...
Interferon gamma receptor 2 gene variants are associated with liver fibrosis in patients with chronic hepatitis C infectionBertrand Nalpas
Unité d Hépatologie, Institut National de la Sante et de la Recherche Medicale, U567, Hopital Cochin, Paris, France
Gut 59:1120-6. 2010..Only a minority of patients with chronic hepatitis C virus (HCV) infection develops severe liver fibrosis, a process that may be controlled by human genetic factors...
Kaposi's sarcoma in a child with Wiskott-Aldrich syndromeCapucine Picard
Unité d Immunologie et d Hématologie Pédiatriques AP HP, Hopital Necker Enfants Malades, 149 rue de Sevres, 75015, Paris, EU, France
Eur J Pediatr 165:453-7. 2006..Kaposi's sarcoma (KS) is rare in childhood. It may be favored by acquired immune deficiencies, but the predisposing factors to KS in other children are unclear...
Life-threatening infectious diseases of childhood: single-gene inborn errors of immunity?Alexandre Alcais
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale, University Paris Descartes, Paris, France
Ann N Y Acad Sci 1214:18-33. 2010..With the recent advent of new-generation deep resequencing, this model of single-gene variations underlying severe pediatric infectious diseases is experimentally testable...
The role of IL-12, IL-23 and IFN-gamma in immunity to virusesFrancesco Novelli
Laboratory of Human Genetics of Infectious Diseases, Necker Medical School, Rene Descartes University of Paris, INSERM U550, 156 rue de Vaugirard, 75015 Paris, France
Cytokine Growth Factor Rev 15:367-77. 2004....
Chronic mucocutaneous candidiasis in humans with inborn errors of interleukin-17 immunityAnne Puel
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Sante et de la Recherche Medicale, U980, and University Paris Descartes, Necker Medical School, 75015 Paris, France
Science 332:65-8. 2011..These experiments of nature indicate that human IL-17A and IL-17F are essential for mucocutaneous immunity against C. albicans, but otherwise largely redundant...
Inherited disorders of human Toll-like receptor signaling: immunological implicationsCheng-Lung Ku
Laboratory of Human Genetics of Infectious Diseases, , INSERM U550, Necker Medical School, Paris, France
Immunol Rev 203:10-20. 2005..Paradoxically, these experiments of nature raise the possibility that the entire set of human TLRs is largely redundant in protective immunity in vivo...
Human genetics of infectious diseases: between proof of principle and paradigmAlexandre Alcais
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U550, Paris, France
J Clin Invest 119:2506-14. 2009..However, in the future, studies in human genetics are likely to establish a new paradigm for infectious diseases...
Inherited disorders of cytokinesCapucine Picard
Unité d Immunologie et d Hématologie Pédiatriques, Hopital Necker Enfants Malades, and Laboratoire de Génétique Humaine des Maladies Infectieuses, Université de Paris René Descartes INSERM U550, Faculte de Medecine Necker, Paris, France
Curr Opin Pediatr 16:648-58. 2004..Cytokines are soluble mediators involved in the development or function of the immune system. This paper reviews the literature on childhood-onset inherited disorders associated with impaired cytokine-mediated immunity...
Enteroviral meningoencephalitis after anti-CD20 (rituximab) treatmentPierre Quartier
Unité d immunologie hématologie et rhumatologie pédiatrique, Hopital Necker Enfants Malades, 75 743 Paris cedex 15, France
Clin Infect Dis 36:e47-9. 2003..We report the occurrence of enteroviral meningoencephalitis following rituximab therapy in 1 child with immune thrombocytopenia and in 1 adult patient with relapsed B cell lymphoma...
Recurrent staphylococcal cellulitis and subcutaneous abscesses in a child with autoantibodies against IL-6Anne Puel
Laboratoire de Genetique Humaine des Maladies Infectieuses, Institut National de la Sante et de la Recherche Medicale, U550, Paris, France
J Immunol 180:647-54. 2008..Patients with severe bacterial infections and low serum CRP concentrations should be tested for anti-IL-6 autoantibodies, especially in the presence of other clinical and biological signs of inflammation...
The NF-kappaB signalling pathway in human diseases: from incontinentia pigmenti to ectodermal dysplasias and immune-deficiency syndromesAsma Smahi
Département de Génétique et Unité de Recherches sur les Handicaps Génétiques de l Enfant INSERM UR 393, Hopital Necker, 149 rue de Sevres, 75743 Paris Cedex 15, France
Hum Mol Genet 11:2371-5. 2002..Unravelling the molecular bases of other forms of EDA not associated with mutations in NEMO will possibly implicate other components of the NF-kappaB signalling pathway...
Osteopetrosis, lymphedema, anhidrotic ectodermal dysplasia, and immunodeficiency in a boy and incontinentia pigmenti in his motherSophie Dupuis-Girod
, , Paris, France
Pediatrics 109:e97. 2002..In contrast, loss-of-function mutations and hypomorphic mutations may cause IP in females...
Inherited disorders of NF-kappaB-mediated immunity in manAnne Puel
, , , 75015 Paris, France
Curr Opin Immunol 16:34-41. 2004..The description of the infectious phenotypes associated with these genetic defects has initiated the forward genetic dissection of NF-kappaB-mediated immunity in man...
NEMO mutations in 2 unrelated boys with severe infections and conical teethCheng-Lung Ku
Laboratory of Human Genetics of Infectious Diseases, , Necker Medical School, Paris, France
Pediatrics 115:e615-9. 2005..One child had isolated recurrent pneumococcal disease, whereas the other had multiple infections. Our observations indicate that conical incisors should prompt the search for NEMO mutations in boys with unusual infectious diseases...
Human complete Stat-1 deficiency is associated with defective type I and II IFN responses in vitro but immunity to some low virulence viruses in vivoAriane Chapgier
, , , , Paris, France
J Immunol 176:5078-83. 2006..Stat-1 deficiency should be suspected in children with severe infections, notably but not exclusively patients with mycobacterial or viral diseases...
Successful allogeneic hemopoietic stem cell transplantation in a child who had anhidrotic ectodermal dysplasia with immunodeficiencySophie Dupuis-Girod
, , , Paris, France
Pediatrics 118:e205-11. 2006..Hematopoietic stem cell transplantation is well tolerated and efficiently cures the profound immunodeficiency associated with autosomal-dominant anhidrotic ectodermal dysplasia with immunodeficiency...
Mendelian traits that confer predisposition or resistance to specific infections in humansCapucine Picard
, , , France
Curr Opin Immunol 18:383-90. 2006..Mutations in other genes even confer resistance to specific pathogens, with no detectable decrease in fitness. These 'experiments of nature' reveal surprising specific interactions between certain human genes and microbial pathogens...
Evolutionary insights into the high worldwide prevalence of MBL2 deficiency allelesPaul Verdu
CNRS FRE 2849, Unit of Molecular Prevention and Therapy of Human Diseases, Institut Pasteur, Paris, France
Hum Mol Genet 15:2650-8. 2006..The evolutionary neutrality of MBL2 strongly supports the notion that MBL2 variation does not have strong effects on population fitness, suggesting, therefore, that this lectin is largely redundant in host human defences...
T cell-dependent activation of dendritic cells requires IL-12 and IFN-gamma signaling in T cellsFrancesc Miro
, Institut Curie, Paris, France
J Immunol 177:3625-34. 2006..These data suggest that CD4+ T cell-mediated activation of DCs plays a critical role in the defense against mycobacterial infections in humans...
A novel primary immunodeficiency with specific natural-killer cell deficiency maps to the centromeric region of chromosome 8Celine Eidenschenk
Laboratory of Human Genetics of Infectious Diseases, University of Paris Rene Descartes-INSERM U550, Necker Medical School, Paris, France
Am J Hum Genet 78:721-7. 2006..23-q11.21 that was linked to this immunodeficiency (maximum LOD score 4.51). The mapping of the disease-causing genomic region paves the way for the identification of a novel pathway governing NK cell differentiation in humans...
A novel immunodeficiency associated with hypomorphic RAG1 mutations and CMV infectionJean Pierre de Villartay
Developpement Normal et Pathologique du Systeme Immunitaire, INSERM U429, Paris, France
J Clin Invest 115:3291-9. 2005..This observation extends the range of clinical and immunological phenotypes associated with RAG mutations, emphasizing the role of the genetic background and microbial environment in determining disease phenotype...
Two loci control tuberculin skin test reactivity in an area hyperendemic for tuberculosisAurelie Cobat
Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de Santé et de Recherche Médicale, Paris 75015, France
J Exp Med 206:2583-91. 2009..tuberculosis infection in endemic areas (TST1) and for the identification of critical regulators of T cell-dependent DTH to tuberculin (TST2)...
A partial form of recessive STAT1 deficiency in humansAriane Chapgier
Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U550, Paris, France
J Clin Invest 119:1502-14. 2009..It should be considered in patients with unexplained, severe, but curable intracellular bacterial and viral infections...
Evolutionary dynamics of human Toll-like receptors and their different contributions to host defenseLuis B Barreiro
Institut Pasteur, Human Evolutionary Genetics, CNRS, URA3012, Paris, France
PLoS Genet 5:e1000562. 2009..The insights gained in this study foster new hypotheses to be tested in clinical and epidemiological genetics of infectious disease...
Severe cutaneous papillomavirus disease after haemopoietic stem-cell transplantation in patients with severe combined immune deficiency caused by common gammac cytokine receptor subunit or JAK-3 deficiencyCaroline Laffort
, , , Paris, France
Lancet 363:2051-4. 2004..That genetic causes are the only predisposing factor to be identified for severe combined immune deficiency, suggests that natural-killer cells or gammac/JAK-3-dependent signalling in keratinocytes could have a role in anti-HPV immunity...
FAS-L, IL-10, and double-negative CD4- CD8- TCR alpha/beta+ T cells are reliable markers of autoimmune lymphoproliferative syndrome (ALPS) associated with FAS loss of functionAude Magerus-Chatinet
Inserm U768, Paris, France
Blood 113:3027-30. 2009..Overall, we showed that determination of the FAS-L represents, together with the IL-10 concentration and the DNT cell percentage, a reliable tool for the diagnosis of ALPS...
