Research Topics
Genomes and Genes
| JAMES TILFORD ELDERSummaryAffiliation: University of Michigan Country: USA Publications
Research Grants
| Collaborators
|
Detail Information
Publications
Novel multiplex technology for diagnostic characterization of rheumatoid arthritisPiyanka E Chandra
Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
Arthritis Res Ther 13:R102. 2011..The aim of this study was to develop a clinical-grade, automated, multiplex system for the differential diagnosis and molecular stratification of rheumatoid arthritis (RA)...
The genetics of psoriasis 2001: the odyssey continuesJ T Elder
3312 CCGC, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI 48109 0932
Arch Dermatol 137:1447-54. 2001..This gene is likely to be identified soon. Further development and use of linkage disequilibrium resources will provide a powerful tool for the identification of the remaining psoriasis genes...
PSORS1: linking genetics and immunologyJames T Elder
University of Michigan Medical Center, Department of Dermatology, Ann Arbor, Michigan, USA
J Invest Dermatol 126:1205-6. 2006..quot; The results integrate genetics and immunology, further reinforcing our emerging understanding of psoriasis...
Fine mapping of the psoriasis susceptibility gene PSORS1: a reassessment of risk associated with a putative risk haplotype lacking HLA-Cw6James T Elder
3312 CCGC, Box 0932, 1500 East Medical Center Drive, University of Michigan, Ann Arbor, MI 48109 0932, USA
J Invest Dermatol 124:921-30. 2005..Taken together, these results indicate that cluster 17 does not carry a psoriasis-susceptibility allele, and expand the PSORS1 risk interval to approximately 300 kb...
IL-15 and psoriasis: another genetic link to Th17?James T Elder
Department of Dermatology, University of Michigan, and Ann Arbor Veterans Affairs Hospital, Ann Arbor, Michigan 48109 0932, USA
J Invest Dermatol 127:2495-7. 2007..Together with recent genetic and therapeutic evidence implicating IL-23, these findings suggest a genetic basis for Th17-mediated inflammation in psoriasis...
Psoriasis clinical registries, genetics, and genomicsJames T Elder
Departments of Dermatology and Radiation Oncology Cancer Biology, University of Michigan, Ann Arbor Veterans Affairs Hospital, MI 3312, USA
Ann Rheum Dis 64:ii106-7. 2005....
Evidence for local control of gene expression in the epidermal differentiation complexJames T Elder
Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
Exp Dermatol 11:406-12. 2002..These results indicate that local, gene-specific factors play an important role in the regulation of EDC gene expression in the keratinocyte lineage and during keratinocyte terminal differentiation...
Genome-wide association scan yields new insights into the immunopathogenesis of psoriasisJ T Elder
Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109 0932, USA
Genes Immun 10:201-9. 2009....
Molecular dissection of psoriasis: integrating genetics and biologyJames T Elder
Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
J Invest Dermatol 130:1213-26. 2010..Here, we review the epidemiology, immunopathology, and genetics of psoriasis, and present a disease model integrating its genetics and immunology...
Genome-wide scan reveals association of psoriasis with IL-23 and NF-kappaB pathwaysRajan P Nair
Department of Dermatology, University of Michigan, Ann Arbor, Michigan 48109, USA
Nat Genet 41:199-204. 2009..Our results expand the catalog of genetic loci implicated in psoriasis susceptibility and suggest priority targets for study in other auto-immune disorders...
Sequence and haplotype analysis supports HLA-C as the psoriasis susceptibility 1 geneRajan P Nair
Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109 0932, USA
Am J Hum Genet 78:827-51. 2006..These results strongly suggest that HLA-Cw6 is the PSORS1 risk allele that confers susceptibility to early-onset psoriasis...
Polymorphisms of the IL12B and IL23R genes are associated with psoriasisRajan P Nair
Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan 48109 0932, USA
J Invest Dermatol 128:1653-61. 2008..Our results confirm associations between IL12B and IL23R and psoriasis in Caucasians, and provide a genetic basis for the clinical association between psoriasis and Crohn's disease...
Autocrine extracellular signal-regulated kinase (ERK) activation in normal human keratinocytes: metalloproteinase-mediated release of amphiregulin triggers signaling from ErbB1 to ERKSanjay Kansra
Departments of Dermatology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
Mol Biol Cell 15:4299-309. 2004..These results define an amphiregulin- and ErbB1-dependent mechanism by which autocrine ERK activation is maintained in NHKs, even when ErbB1 autophosphorylation and internalization are limited...
Differential ErbB1 signaling in squamous cell versus basal cell carcinoma of the skinLaure Rittie
Department of Dermatology, University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109 0932, USA
Am J Pathol 170:2089-99. 2007..Our results suggest that targeting ErbB1 signaling might be of benefit in the treatment of SCC...
Transgenic expression of S100A2 in hairless mouse skin enhances Cxcl13 mRNA in response to solar-simulated radiationYong Li
Department of Dermatology, University of Michigan, Ann Arbor, MI 48109 0932, USA
Arch Dermatol Res 301:205-17. 2009..022). This finding was confirmed in an independent set of mice analyzed by quantitative RT-PCR (8.8-fold vs. 1.2-fold, n = 4, P = 0.001). The finding of persistent dermal DNA damage after suberythemal doses of SSR merits further study...
Keratinocyte outgrowth from human skin explant cultures is dependent upon p38 signalingStefan W Stoll
Department of Dermatology, University of Michigan Medical Center, 1500 E. Medical Center Drive, Ann Arbor, MI 48109-0932, USA
Wound Repair Regen 11:346-53. 2003..These data also indicate that autocrine heparin-binding epidermal growth factor expression is not regulated by p38...
Src family kinase inhibitors block amphiregulin-mediated autocrine ErbB signaling in normal human keratinocytesSanjay Kansra
Department of Dermatology, University of Michigan Medical Center, 3312 CCGC, Box 0932, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0932, USA
Mol Pharmacol 67:1145-57. 2005....
Metalloproteinase-mediated, context-dependent function of amphiregulin and HB-EGF in human keratinocytes and skinStefan W Stoll
Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
J Invest Dermatol 130:295-304. 2010..These data show that distinct EGFR ligands stimulate KC behavior in different cellular contexts, and in an MP-dependent fashion...
Global gene expression analysis reveals evidence for decreased lipid biosynthesis and increased innate immunity in uninvolved psoriatic skinJohann E Gudjonsson
Department of Dermatology, University of Michigan, 1910 Taubman Center, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 129:2795-804. 2009..Taken together, our results identify a "pre-psoriatic" gene expression signature, suggesting decreased lipid biosynthesis and increased innate immunity in uninvolved psoriatic skin...
Multiple Loci within the major histocompatibility complex confer risk of psoriasisBing Jian Feng
Department of Dermatology, University of Utah School of Medicine, Salt Lake City, UT, USA
PLoS Genet 5:e1000606. 2009..These results demonstrate that there are at least two additional loci within the MHC conferring risk of psoriasis...
Genetic evidence for involvement of the IL23 pathway in Thai psoriaticsRajan P Nair
Department of Dermatology, University of Michigan, 3430 CCGC, Box 5932, 1500 East Medical Center Dr, Ann Arbor, MI 48109 5932, USA
Arch Dermatol Res 302:139-43. 2010....
Assessment of the psoriatic transcriptome in a large sample: additional regulated genes and comparisons with in vitro modelsJohann E Gudjonsson
Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 130:1829-40. 2010..This comprehensive analysis of differentially regulated transcripts in psoriasis provides additional insight into the pathogenic mechanisms involved and emphasizes the need for more complex yet tractable experimental models of psoriasis...
Evidence for altered Wnt signaling in psoriatic skinJohann E Gudjonsson
Department of Dermatology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 130:1849-59. 2010....
Amphiregulin carboxy-terminal domain is required for autocrine keratinocyte growthStefan W Stoll
Department of Dermatology, University of Michigan, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 130:2031-40. 2010....
Genome-wide association analysis identifies three psoriasis susceptibility lociPhilip E Stuart
Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
Nat Genet 42:1000-4. 2010..We also replicated a recently identified association signal near RNF114 (rs495337, combined P = 2 × 10??)...
BRAF and NRAS mutations in spitzoid melanocytic lesionsDouglas R Fullen
Department of Pathology, University of Michigan, Ann Arbor, MI 48109 0602, USA
Mod Pathol 19:1324-32. 2006..Therefore, the BRAF mutational status does not separate all Spitz nevi from spitzoid melanomas and non-Spitz types of melanocytic proliferations, contrary to previous reports...
BRAF and NRAS mutations in melanoma and melanocytic neviJenny N Poynter
Department of Epidemiology, University of Michigan, Ann Arbor, Michigan 48109 2200, USA
Melanoma Res 16:267-73. 2006..We suggest that BRAF mutations contribute to benign melanocytic hyperplasia, but are likely to contribute to invasive melanoma only in conjunction with other mutations...
Lack of evidence for activation of the hedgehog pathway in psoriasisJohann E Gudjonsson
Department of Dermatology, University of Michigan Medical Center, Ann Arbor, Michigan, USA
J Invest Dermatol 129:635-40. 2009..The absence of elevated Hh target gene expression in lesional psoriatic skin indicates that the Hh pathway is not activated in this disease, raising questions regarding the proposed use of Hh antagonists as antipsoriatic agents...
EGF gene polymorphism and the risk of incident primary melanomaKandace L Amend
Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
Cancer Res 64:2668-72. 2004..Additional independent studies will be required to elucidate relationships between genetic variation in the EGF gene and risk of melanoma...
Mouse models of psoriasisJohann E Gudjonsson
Department of Dermatology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 127:1292-308. 2007..In this review, we describe various animal models, detail the immunologic and intracellular pathways that mediate these phenotypes and assess the utility of these models to better understand this disease...
Psoriasis: epidemiologyJohann E Gudjonsson
Department of Dermatology, University of Michigan School of Medicine, Box 0932, Ann Arbor, MI 48109 0932, USA
Clin Dermatol 25:535-46. 2007..In this article, we will focus on the epidemiology of psoriasis and its associated arthritis...
Prevalence of antigliadin antibodies in patients with psoriasis is not elevated compared with controlsKevin F Kia
Department of Dermatology, University of Michigan Medical School, and Dermatology Service, Department of Veterans Affairs Ann Arbor Healthcare System, Michigan 48109 5314, USA
Am J Clin Dermatol 8:301-5. 2007..There is anecdotal evidence to suggest that gluten sensitivity may play a role in psoriasis, and patients with psoriasis in Europe have been reported to improve on a gluten-free diet...
Gene expression in skin and lymphoblastoid cells: Refined statistical method reveals extensive overlap in cis-eQTL signalsJun Ding
Center for Statistical Genetics, Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, 48109, USA
Am J Hum Genet 87:779-89. 2010....
EGFR and IL-1 signaling synergistically promote keratinocyte antimicrobial defenses in a differentiation-dependent mannerAndrew Johnston
Department of Dermatology, University of Michigan, Ann Arbor, Michigan 48109, USA
J Invest Dermatol 131:329-37. 2011..We propose that EGFR ligands are important modifiers of IL-1 activity, synergizing with IL-1 to stimulate epidermal production of hBD-2, S100A7, and CCL20, three of the most upregulated transcripts in psoriatic plaques...
Induction of IL-17+ T cell trafficking and development by IFN-gamma: mechanism and pathological relevance in psoriasisIlona Kryczek
Department of Surgery, University of Michigan Medical School, Ann Arbor, MI 48105, USA
J Immunol 181:4733-41. 2008....
Differential responses of S100A2 to oxidative stress and increased intracellular calcium in normal, immortalized, and malignant human keratinocytesTong Zhang
Department of Dermatology, University of Michigan, Ann Arbor 48109, USA
J Invest Dermatol 119:1196-201. 2002..These results identify S100A2 oxidation and translocation as markers for early cellular responses to oxidative stress, which are markedly attenuated in immortalized and malignant keratinocytes...
Differential cytoskeletal association of ErbB1 and ErbB2 during keratinocyte differentiationSanjay Kansra
Department of Dermatology, University of Michigan Medical Center, 1500 East Medical Center Drive, 3312 CCGC, P O Box 0932, Ann Arbor, MI 48109 0932, USA
Biochem Biophys Res Commun 295:1108-17. 2002..These results suggest that ErbB1 and ErbB2 employ different mechanisms of plasma membrane targeting during keratinocyte differentiation, and that cytoskeletal association may facilitate the coupling of activated ErbB1 and ERK...
Analysis of phenotypic variation in psoriasis as a function of age at onset and family historyPhilip Stuart
Department of Dermatology, University of Michigan, Ann Arbor, Michigan 48109, USA
Arch Dermatol Res 294:207-13. 2002..The lack of clinical differences between "familial" and "sporadic" psoriasis may reflect a similar genetic basis for both conditions, at least when onset is early...
Epidermal growth factor receptor (ErbB1) expression in prostate cancer progression: correlation with androgen independenceRajal B Shah
Department of Pathology, University of Michigan Medical School, Ann Arbor, Michigan 48109 0932, USA
Prostate 66:1437-44. 2006..The role of the epidermal growth factor receptor (ErbB1) in the progression of prostate cancer is incompletely understood...
Genetics of psoriasis and psoriatic arthritis: update and future directionKristina Callis Duffin
Department of Dermatology, University of Utah, Salt Lake City, Utah, USA
J Rheumatol 35:1449-53. 2008..This article is a summary of that presentation and a review of the literature...
Metalloproteinases stimulate ErbB-dependent ERK signaling in human skin organ cultureStefan W Stoll
Department of Dermatology, University of Michigan Medical Center, 1500 E Medical Center Drive, Ann Arbor, MI 48109-0932, USA
J Biol Chem 277:26839-45. 2002....
A novel BH3 mimetic reveals a mitogen-activated protein kinase-dependent mechanism of melanoma cell death controlled by p53 and reactive oxygen speciesMonique Verhaegen
Department of Dermatology, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109, USA
Cancer Res 66:11348-59. 2006..Our results suggest that this MAPK-dependent ROS/p53 feedback loop is a point of vulnerability of melanoma cells that can be exploited for rational drug design...
Ustekinumab: a new option in psoriasis therapyAnna L Chien
Department of Dermatology, University of Michigan Medical School, Ann Arbor, 48109 5314, USA
Drugs 69:1141-52. 2009..A favourable side effect profile has also been shown for this agent...
Research Grants
- Amphiregulin in Psoriatic Epidermal HyperplasiaJAMES TILFORD ELDER; Fiscal Year: 2010..If successful, this research will have important public health consequences not only in psoriasis but also in a wide variety of dermatoses characterized by epidermal hyperplasia. ..
- LINKAGE ANALYSIS OF FAMILIAL PSORIASISJames Elder; Fiscal Year: 2007..4. To test two functional candidates (the KIR gene cluster and TNFalpha) for genetic involvement in psoriasis, using available families and/or the cases and controls collected in Aim 2. ..
- Identification of Psoriatic Arthritis Genes in Major Histocompatibility ComplexJames Elder; Fiscal Year: 2007..abstract_text> ..
- Combined analysis of gene expression and DNA variation in psoriasisJames Elder; Fiscal Year: 2007..Identification of the remaining psoriasis susceptibility genes will elucidate the molecular basis of this enigmatic disease, and identify targets for more specific and effective therapy. ..
- Amphiregulin in Psoriatic Epidermal HyperplasiaJames Elder; Fiscal Year: 2007..If successful, this research will have important public health consequences not only in psoriasis but also in a wide variety of dermatoses characterized by epidermal hyperplasia. ..
- Amphiregulin in Psoriatic Epidermal HyperplasiaJames Elder; Fiscal Year: 2009..If successful, this research will have important public health consequences not only in psoriasis but also in a wide variety of dermatoses characterized by epidermal hyperplasia. ..
- Identification of Psoriatic Arthritis GenesJames Elder; Fiscal Year: 2009..Its cause is not well understood. Identification of genes that increase risk of psoriatic arthritis will help us unlock the secrets of this troubling disease, and identify targets for more specific and effective therapy. ..
- Combined analysis of gene expression and DNA variation in psoriasisJAMES TILFORD ELDER; Fiscal Year: 2010..Identification of the remaining psoriasis susceptibility genes will elucidate the molecular basis of this enigmatic disease, and identify targets for more specific and effective therapy. ..
- LINKAGE ANALYSIS OF FAMILIAL PSORIASISJAMES TILFORD ELDER; Fiscal Year: 2010..Its cause is not well understood. Identification of genes that increase risk of psoriasis will help us unlock the secrets of this troubling disease, and identify targets for more specific and effective therapy. ..
- TRAINING GRANT IN CELL AND MOLECULAR DERMATOLOGYJames Elder; Fiscal Year: 2006..D.s with strong research potential. Finally, they have created a Web site for dissemination of detailed information about the program to all potential trainees, including those belonging to underrepresented minorities. ..
- LINKAGE ANALYSIS OF FAMILIAL PSORIASISJames Elder; Fiscal Year: 2002..Allelic variation of the genes will be tested for segregation using TDT and MBSA, and by identifying alleles shared across haplotypes in regions of strong linkage disequilibrium. ..
- Organ Culture of Basal Cell CarcinomaJames Elder; Fiscal Year: 2002....
- Identification of Psoriatic Arthritis GenesJAMES TILFORD ELDER; Fiscal Year: 2010..Its cause is not well understood. Identification of genes that increase risk of psoriatic arthritis will help us unlock the secrets of this troubling disease, and identify targets for more specific and effective therapy. ..
