Research Topics
| S M ArendSummaryAffiliation: Leiden University Medical Center Country: The Netherlands Publications
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Detail Information
Publications
Identification and characterization of the ESAT-6 homologue of Mycobacterium leprae and T-cell cross-reactivity with Mycobacterium tuberculosisAnnemieke Geluk
Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
Infect Immun 70:2544-8. 2002..Moreover, our results suggest that there is significant cross-reactivity between T-ESAT-6 and L-ESAT-6, which has implications for the use of ESAT-6 as tool for diagnosis of leprosy and TB in areas where both diseases are endemic...
T-cell and serological responses to Erp, an exported Mycobacterium tuberculosis protein, in tuberculosis patients and healthy individualsValerie Martinez
Laboratoire d Immunologie Cellulaire, INSERM U543, Hopital Pitie Salpetriere, Paris Cedex 13, France
BMC Infect Dis 7:83. 2007..Cellular and humoral immune responses to Erp (Exported repetitive protein)--a recently identified M. tuberculosis protein--have not yet been investigated in humans and may contribute to this aim...
Tuberculin skin testing and in vitro T cell responses to ESAT-6 and culture filtrate protein 10 after infection with Mycobacterium marinum or M. kansasiiSandra M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
J Infect Dis 186:1797-807. 2002..ELISA and ELISPOT yielded comparable results, as did whole antigen and peptides (P<.0001). These results may be relevant for the development of novel assays for diagnosis of tuberculosis...
ESAT-6 and CFP-10 in clinical versus environmental isolates of Mycobacterium kansasiiSandra M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
J Infect Dis 191:1301-10. 2005..In vitro, clinical and environmental genotypes of M. kansasii expressed CFP-10 and ESAT-6. Thus, virulence of M. kansasii is not directly related to esat-6 and cfp-10 genes or gene expression...
Pneumonia caused by Mycobacterium kansasii in a series of patients without recognised immune defectS M Arend
Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
Clin Microbiol Infect 10:738-48. 2004..kansasii infections. The identical fingerprint patterns of the isolates suggested the existence of a virulent strain of M. kansasii...
Cavitating pneumonia after treatment with infliximab and prednisoneS M Arend
Department of Infectious Diseases C5P 39, Leiden University Medical Center, P O Box 9600, 2300 RC, Leiden, The Netherlands
Eur J Clin Microbiol Infect Dis 23:638-41. 2004..The patient responded well to fluconazole. The risk of infection after treatment with TNF-alpha antagonists and the possible causative microorganisms are discussed...
A patient with de novo tuberculosis during anti-tumor necrosis factor-alpha therapy illustrating diagnostic pitfalls and paradoxical response to treatmentSandra M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Clin Infect Dis 45:1470-5. 2007....
Double-blind randomized Phase I study comparing rdESAT-6 to tuberculin as skin test reagent in the diagnosis of tuberculosis infectionSandra M Arend
Department of Infectious Diseases, C5P, Leiden University Medical Center LUMC, P O Box 9600, 2300 RC Leiden, The Netherlands
Tuberculosis (Edinb) 88:249-61. 2008..1 microg. Further studies are needed to evaluate sensitization after repeated doses and to study the effect of additional CFP-10 on the sensitivity of a TB-specific skin test...
TNF-alpha blockade and tuberculosis: better look before you leapS M Arend
Department of Infectious Diseases C5P, Leiden University Medical Centre, PO Box 9600, 2300 RC Leiden, The Netherlands
Neth J Med 61:111-9. 2003..Awaiting further consensus protocols, a provisional flow chart is presented that is based on dinical parameters to provide a logical framework to reduce and minimise the risk of tuberculosis during TNF blockade...
Diagnosis and treatment of lung infection with nontuberculous mycobacteriaSandra M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Curr Opin Pulm Med 15:201-8. 2009..This review summarizes recent literature regarding epidemiological, clinical, diagnostic and therapeutic aspects of NTM lung infections...
Tuberculin skin testing compared with T-cell responses to Mycobacterium tuberculosis-specific and nonspecific antigens for detection of latent infection in persons with recent tuberculosis contactS M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Clin Diagn Lab Immunol 8:1089-96. 2001..The specificity of the TST or in vitro responses to PPD will be even less when the proportion of BCG-vaccinated persons among TB contacts evaluated for LTBI increases...
Repeatedly negative tuberculin skin tests followed by active tuberculosis in an immunocompetent individualS M Arend
Department of Infectious Diseases, C5P, Leiden University Medical Center, P O Box 9600, 2300 RC Leiden, The Netherlands
Neth J Med 58:76-81. 2001..The causes of false-negative and false-positive PPD skin test results are reviewed...
Uncommon presentations of tuberculosis: the potential value of a novel diagnostic assay based on the Mycobacterium tuberculosis-specific antigens ESAT-6 and CFP-10S M Arend
Department of Infectious Diseases, Leiden University Medical Center, The Netherlands
Int J Tuberc Lung Dis 5:680-6. 2001..Leiden University Medical Center, Leiden, the Netherlands...
Antigenic equivalence of human T-cell responses to Mycobacterium tuberculosis-specific RD1-encoded protein antigens ESAT-6 and culture filtrate protein 10 and to mixtures of synthetic peptidesS M Arend
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Infect Immun 68:3314-21. 2000..tuberculosis, and peptides have the advantage of faster production at lower cost...
Detection of active tuberculosis infection by T cell responses to early-secreted antigenic target 6-kDa protein and culture filtrate protein 10S M Arend
Dept of Infectious Diseases, C5P, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
J Infect Dis 181:1850-4. 2000..These data indicate that ESAT-6 and CFP-10 are promising antigens for highly specific immunodiagnosis of TB, even in BCG-vaccinated individuals...
Effect of tuberculin skin testing on a Mycobacterium tuberculosis-specific interferon-gamma assayE M S Leyten
Department of Infectious Diseases, C5P, Leiden University Medical Center, P O Box 9600, 2300 RC Leiden, The Netherlands
Eur Respir J 29:1212-6. 2007....
Immunological crossreactivity of the Mycobacterium leprae CFP-10 with its homologue in Mycobacterium tuberculosisA Geluk
Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
Scand J Immunol 59:66-70. 2004..tuberculosis at the T-cell level. This crossreactivity has implications for the use of CFP-10 of these mycobacterial species as diagnostic tool in areas endemic for both the diseases...
Cross-reactive immunity to Mycobacterium tuberculosis DosR regulon-encoded antigens in individuals infected with environmental, nontuberculous mycobacteriaMay Young Lin
Department of Infectious Diseases, Leiden University Medical Centre, C5 P, P O Box 9600, 2300 RC Leiden, The Netherlands
Infect Immun 77:5071-9. 2009..tuberculosis antigens to which cross-reactive immunity is induced by NTM infection/exposure. The high conservation of M. tuberculosis DosR regulon-encoded antigens most likely enables them to induce cross-reactive T-cell responses...
Interferon-gamma release assays during follow-up of tuberculin skin test-positive contactsW P J Franken
Department of Infectious Diseases, Leiden University Medical Centre, Leiden, The Netherlands
Int J Tuberc Lung Dis 12:1286-94. 2008..Following a large-scale contact investigation, individuals with a positive tuberculin skin test (TST) result were offered preventive tuberculosis treatment...
Human T-cell responses to 25 novel antigens encoded by genes of the dormancy regulon of Mycobacterium tuberculosisEliane M S Leyten
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Microbes Infect 8:2052-60. 2006..Particularly strong IFN-gamma responses to latency antigens were observed in latently infected individuals, suggesting that immune responses against these antigens may contribute to controlling latent M. tuberculosis infection...
Variation in T-SPOT.TB spot interpretation between independent observers from different laboratoriesWilleke P J Franken
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Clin Vaccine Immunol 16:1439-42. 2009..The test result as positive or negative varied between independent raters, mainly due to samples with values around the cutoff. This warrants further study regarding determinants affecting the reading of T-SPOT.TB...
Is there evidence for recommending silver-coated urinary catheters in guidelines?B S Niël-Weise
Working Party Infection Prevention, Leiden University Medical Center, Leiden, The Netherlands
J Hosp Infect 52:81-7. 2002....
Ag85B-ESAT-6 adjuvanted with IC31 promotes strong and long-lived Mycobacterium tuberculosis specific T cell responses in naïve human volunteersJaap T van Dissel
Leiden University Medical Center, Department of Infectious Diseases, Leiden, The Netherlands
Vaccine 28:3571-81. 2010..These strong responses persisted through 2.5 years of follow-up, indicating the induction of a substantial memory response in the vaccine recipients...
Is the tuberculin skin test an accurate method of detecting tuberculosis in patients with rheumatoid arthritis?Tom W J Huizinga
Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
Nat Clin Pract Rheumatol 2:188-9. 2006
Use of enzyme-linked immunospot assay with Mycobacterium tuberculosis-specific peptides for diagnosis of recent infection with M. tuberculosis after accidental laboratory exposureEliane M S Leyten
Department of Infectious Diseases, C5P, Leiden University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands
J Clin Microbiol 44:1197-201. 2006..6, and TB7.7 for the diagnosis of latent infection. In particular, positive responses to peptides 2 to 6 of TB37.6 were observed exclusively in recently infected persons...
Interferon-gamma production in response to M. tuberculosis antigens in TB patients in IndonesiaYanri W Subronto
Dept. of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
Adv Exp Med Biol 531:249-60. 2003
Follow-up study of tuberculosis-exposed supermarket customers with negative tuberculin skin test results in association with positive gamma interferon release assay resultsWilleke P J Franken
Department of Infectious Diseases, C5 P 37, Leiden University Medical Center, P O Box 9600, 2300 RC Leiden, The Netherlands
Clin Vaccine Immunol 14:1239-41. 2007..TB assay, during a contact investigation. One year later, 12/29 subjects (41%) had converted to positive TST results in association with negative IGRA results...
Multifocal osteomyelitis caused by nontuberculous mycobacteria in patients with a genetic defect of the interferon-gamma receptorS M Arend
Department of Infectious Diseases, C5P, Leiden University Medical Center, P.O. Box 9600, 2300 RC, Leiden, The Netherlands
Neth J Med 59:140-51. 2001....
Discrepancy between Mycobacterium tuberculosis-specific gamma interferon release assays using short and prolonged in vitro incubationEliane M S Leyten
Department of Infectious Diseases, C5P, Leiden University Medical Center, RC Leiden, The Netherlands
Clin Vaccine Immunol 14:880-5. 2007....
Nontuberculous mycobacterial infection in children: a 2-year prospective surveillance study in the NetherlandsMargje H Haverkamp
Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
Clin Infect Dis 39:450-6. 2004..Thirty children underwent surgery, and chemotherapy was the single treatment in 24 (39%) of the cases. The treatment of localized NTM infection in immunocompetent children by antimycobacterial drugs should be evaluated further...
Grading of a positive sputum smear and the risk of Mycobacterium tuberculosis transmissionE M Lohmann
Department of Infectious Diseases, Leiden University Medical Centre, Leiden, The Netherlands
Int J Tuberc Lung Dis 16:1477-84. 2012..Limited data are available on the effect of the degree of acid-fast positivity, of a polymerase chain reaction (PCR) result or of bronchoalveolar lavage (BAL) fluid results on the risk of transmission...
Successful treatment of fungus balls due to fluconazole-resistant Candida sake obstructing ureter stents in a renal transplant patientS M Arend
Department of Infectious Diseases, C5P, Leiden University Medical Center, P O Box 9600, 2300RC, Leiden, The Netherlands
Eur J Clin Microbiol Infect Dis 25:43-5. 2006..Eradication of the infection was achieved by surgical removal of the ureter with all stents and construction of a cysto-pyelostomy...
Comparison of two interferon-gamma assays and tuberculin skin test for tracing tuberculosis contactsSandra M Arend
Leiden University Medical Center, Infectious Diseases, Leiden, The Netherlands
Am J Respir Crit Care Med 175:618-27. 2007..QuantiFERON-TB Gold (QFT-G) and T-SPOT.TB are based on interferon (IFN)-gamma responses to Mycobacterium tuberculosis-specific antigens. A novel in-tube format of QFT-G (QFT-GIT) offers logistical advantages...
Risk factors of acute hepatic failure during antituberculosis treatment: two cases and literature reviewF Smink
Department of Infectious Diseases, Leiden University Medical Centre, Leiden, The Netherlands
Neth J Med 64:377-84. 2006..An evaluation of chronic viral hepatitis in risk groups before starting ATT could be worthwhile...
Prospective controlled study of the diagnostic value of skin biopsy in patients with presumed meningococcal diseaseS M Arend
Department of Infectious Diseases, Leiden University Medical Center, P.O. Box 9600, 2300 RC, Leiden, The Netherlands
Eur J Clin Microbiol Infect Dis 25:643-9. 2006....
Comparison of Mantoux and QuantiFERON TB Gold tests for diagnosis of latent tuberculosis infection in Army personnelWilleke P J Franken
Department of Infectious Diseases, Leiden University Medical Centre, Leiden, The Netherlands
Clin Vaccine Immunol 14:477-80. 2007..Among subjects positive by TST, 44.4% of recruits were positive by QFT-GIT compared with 11.5% subjects tested after missions abroad, suggesting that most TST conversions in the latter group were caused by nontuberculous mycobacteria...
Epitope mapping of the immunodominant antigen TB10.4 and the two homologous proteins TB10.3 and TB12.9, which constitute a subfamily of the esat-6 gene familyRikke Louise Vinther Skjøt
Department of TB Immunology, Statens Serum Institute, Copenhagen, Denmark
Infect Immun 70:5446-53. 2002..4 stimulated the largest responses, but epitopes unique to both TB10.3 and TB12.9 were found. The relevance of the findings for TB vaccine development and as a potential mechanism for immune evasion is discussed...
PPE protein (Rv3873) from DNA segment RD1 of Mycobacterium tuberculosis: strong recognition of both specific T-cell epitopes and epitopes conserved within the PPE familyLimei Meng Okkels
Department of Infectious Disease Immunology, Statens Serum Institut, DK 2300 Copenhagen, Denmark
Infect Immun 71:6116-23. 2003..The immunodominant epitope (residues 118 to 135) for both TB patients and BCG-vaccinated individuals was found to be highly conserved among a large number of PPE family members...
Assessment of cross-reactivity between Mycobacterium bovis and M. kansasii ESAT-6 and CFP-10 at the T-cell epitope levelH Martin Vordermeier
TB Research Group, Department of Statutory and Exotic Bacterial Diseases, Veterinary Laboratories Agency, Woodham Lane, New Haw, Addlestone KT15 3NB, United Kingdom
Clin Vaccine Immunol 14:1203-9. 2007....
Human T-cell responses to the RD1-encoded protein TB27.4 (Rv3878) from Mycobacterium tuberculosisElse Marie Agger
Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark
Immunology 110:507-12. 2003..In contrast, very limited responses were seen in M. bovis BCG-vaccinated donors. This study therefore emphasizes the diagnostic potential of proteins encoded by the RD1 region...
Specific T-cell epitopes for immunoassay-based diagnosis of Mycobacterium tuberculosis infectionInger Brock
Department of Infectious Disease Immunology, Statens Serum Institute, Artillerivej 5, DK-2300 Copenhagen S, Denmark
J Clin Microbiol 42:2379-87. 2004..In a validation experiment with new experimental groups, the sensitivities obtained were 57% for the combination of peptides and 90% for the combination of the peptides, ESAT-6, and CFP-10. This combination gave a specificity of 95%...
Recognition of stage-specific mycobacterial antigens differentiates between acute and latent infections with Mycobacterium tuberculosisAbebech Demissie
Armauer Hansen Research Institute, Addis Ababa, Ethiopia
Clin Vaccine Immunol 13:179-86. 2006....
Evidence of endogenous reactivation of tuberculosis after a long period of latencySandra M Arend
J Infect Dis 186:876-7. 2002
