Timothy W. Behrens

Role of STAT4polymorphisms in systemic lupus erythematosus in a Japanese population: a case-control association study of the STAT1-STAT4region (2008)

Kawasaki, Aya, Ito, Ikue, Hikami, Koki, Ohashi, Jun, Hayashi, Taichi, Goto, Daisuke, ...

Abstract Introduction Recent studies identified STAT4 (signal transducers and activators of transcription-4) as a susceptibility gene for systemic lupus erythematosus (SLE). STAT1 is encoded...

Am. J. Hum. Genet. 71:585--594, 2002 585 Dissecting the Genetic Complexity of the Association between Human (2007)

Leukocyte Antigens And, Damini Jawaheer, Wentian Li, Robert R. Graham, Wei Chen, Aarti Damle, ...

are present within the major histocompatibility complex. One of these lies within a 497-kb region in the central portion of the HLA complex, an interval that excludes DRB1. This genetic risk factor...

Elevated Serum Levels of Interferon-Regulated Chemokines Are Biomarkers for Active Human Systemic Lupus Erythematosus (2006)

Jason W. Bauer, Emily C. Baechler, Michelle Petri, Franak M. Batliwalla, Dianna Crawford, Ward A. Ortmann, ...

BackgroundSystemic lupus erythematosus (SLE) is a serious systemic autoimmune disorder that affects multiple organ systems and is characterized by unpredictable flares of disease. Recent evidence...

Basal Immunoglobulin Signaling Actively Maintains Developmental Stage in Immature B Cells (2005)

Lina E. Tze, Brian R. Schram, Kong-Peng Lam, Kristin A. Hogquist, Keli L. Hippen, Jiabin Liu, ...

Gene rearrangement is a hallmark of B cell maturation. By interrupting basal cell signaling through the rearranged IgM receptor, immature B cells "back-differentiate" to an earlier stage in their...

Basal Immunoglobulin Signaling Actively Maintains Developmental Stage in Immature B Cells (2005)

Lina E. Tze, Brian R. Schram, Kong-Peng Lam, Kristin A. Hogquist, Keli L. Hippen, Jiabin Liu, ...

In developing B lymphocytes, a successful V(D)J heavy chain (HC) immunoglobulin (Ig) rearrangement establishes HC allelic exclusion and signals pro-B cells to advance in development to the pre-B...

Genetic linkage and transmission disequilibrium of marker haplotypes at chromosome 1q41 in human systemic lupus erythematosus (2001)

Graham, Robert R, Langefeld, Carl D, Gaffney, Patrick M, Ortmann, Ward A, Selby, Scott A, Baechler, Emily C, ...

Abstract Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the production of autoantibodies to a wide range of self-antigens. Recent genome screens have implicated...

A genome-wide search for susceptibility genes in human systemic lupus erythematosus sib-pair families

Gaffney, Patrick M., Kearns, Grainne M., Shark, Katherine B., Ortmann, Ward A., Selby, Scott A., Malmgren, Michelle L., ...

Systemic lupus erythematosus (SLE) is an autoimmune multisystem inflammatory disease characterized by the production of pathogenic autoantibodies. Previous genetic studies have suggested associations...

Genetic linkage and transmission disequilibrium of marker haplotypes at chromosome 1q41 in human systemic lupus erythematosus

Graham, Robert R, Langefeld, Carl D, Gaffney, Patrick M, Ortmann, Ward A, Selby, Scott A, Baechler, Emily C, ...

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the production of autoantibodies to a wide range of self-antigens. Recent genome screens have implicated numerous...

Interferon-inducible gene expression signature in peripheral blood cells of patients with severe lupus

Baechler, Emily C., Batliwalla, Franak M., Karypis, George, Gaffney, Patrick M., Ortmann, Ward A., Espe, Karl J., ...

Systemic lupus erythematosus (SLE) is a complex, inflammatory autoimmune disease that affects multiple organ systems. We used global gene expression profiling of peripheral blood mononuclear cells to...

Basal Immunoglobulin Signaling Actively Maintains Developmental Stage in Immature B Cells

Tze, Lina E, Schram, Brian R, Lam, Kong-Peng, Hogquist, Kristin A, Hippen, Keli L, Liu, Jiabin, ...

In developing B lymphocytes, a successful V(D)J heavy chain (HC) immunoglobulin (Ig) rearrangement establishes HC allelic exclusion and signals pro-B cells to advance in development to the pre-B...

Genome Screening in Human Systemic Lupus Erythematosus: Results from a Second Minnesota Cohort and Combined Analyses of 187 Sib-Pair Families

Gaffney, Patrick M., Ortmann, Ward A., Selby, Scott A., Shark, Katherine B., Ockenden, Theresa C., Rohlf, Kristine E., ...

Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by a loss of immunologic tolerance to a multitude of self-antigens. Epidemiological data suggest an important role for genes...

Microarray Analyses of Peripheral Blood Cells Identifies Unique Gene Expression Signature in Psoriatic Arthritis

Batliwalla, Franak M., Li, Wentian, Ritchlin, Christopher T., Xiao, Xiangli, Brenner, Max, Laragione, Teresina, ...

Psoriatic arthritis (PsA) is a chronic and erosive form of arthritis of unknown cause. We aimed to characterize the PsA phenotype using gene expression profiling and comparing it with healthy control...

Fine-Mapping Chromosome 20 in 230 Systemic Lupus Erythematosus Sib Pair and Multiplex Families: Evidence for Genetic Epistasis with Chromosome 16q12

Gaffney, Patrick M., Langefeld, Carl D., Graham, Robert R., Ortmann, Ward A., Williams, Adrienne H., Rodine, Peter R., ...

The presence of systemic lupus erythematosus (SLE) susceptibility genes on chromosome 20 is suggested by the observation of genetic linkage in several independent SLE family collections. To further...

A genome-wide search for susceptibility genes in human systemic lupus erythematosus sib-pair families

Gaffney, Patrick M., Kearns, Grainne M., Shark, Katherine B., Ortmann, Ward A., Selby, Scott A., Malmgren, Michelle L., ...

Systemic lupus erythematosus (SLE) is an autoimmune multisystem inflammatory disease characterized by the production of pathogenic autoantibodies. Previous genetic studies have suggested associations...

Genetic linkage and transmission disequilibrium of marker haplotypes at chromosome 1q41 in human systemic lupus erythematosus

Graham, Robert R, Langefeld, Carl D, Gaffney, Patrick M, Ortmann, Ward A, Selby, Scott A, Baechler, Emily C, ...

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the production of autoantibodies to a wide range of self-antigens. Recent genome screens have implicated numerous...

Interferon-inducible gene expression signature in peripheral blood cells of patients with severe lupus

Baechler, Emily C., Batliwalla, Franak M., Karypis, George, Gaffney, Patrick M., Ortmann, Ward A., Espe, Karl J., ...

Systemic lupus erythematosus (SLE) is a complex, inflammatory autoimmune disease that affects multiple organ systems. We used global gene expression profiling of peripheral blood mononuclear cells to...

Visualizing Human Leukocyte Antigen Class II Risk Haplotypes in Human Systemic Lupus Erythematosus

Graham, Robert R., Ortmann, Ward A., Langefeld, Carl D., Jawaheer, Damini, Selby, Scott A., Rodine, Peter R., ...

Human leukocyte antigen (HLA) class I and class II alleles are implicated as genetic risk factors for many autoimmune diseases. However, the role of the HLA loci in human systemic lupus erythematosus...

Dissecting the Genetic Complexity of the Association between Human Leukocyte Antigens and Rheumatoid Arthritis

Jawaheer, Damini, Li, Wentian, Graham, Robert R., Chen, Wei, Damle, Aarti, Xiao, Xiangli, ...

Rheumatoid arthritis (RA) is an inflammatory disease with a complex genetic component. An association between RA and the human leukocyte antigen (HLA) complex has long been observed in many different...

Basal Immunoglobulin Signaling Actively Maintains Developmental Stage in Immature B Cells

Tze, Lina E, Schram, Brian R, Lam, Kong-Peng, Hogquist, Kristin A, Hippen, Keli L, Liu, Jiabin, ...

In developing B lymphocytes, a successful V(D)J heavy chain (HC) immunoglobulin (Ig) rearrangement establishes HC allelic exclusion and signals pro-B cells to advance in development to the pre-B...

Genetic Association of the R620W Polymorphism of Protein Tyrosine Phosphatase PTPN22 with Human SLE

Kyogoku, Chieko, Langefeld, Carl D., Ortmann, Ward A., Lee, Annette, Selby, Scott, Carlton, Victoria E. H., ...

We genotyped 525 independent North American white individuals with systemic lupus erythematosus (SLE) for the PTPN22 R620W polymorphism and compared the results with data generated from 1,961 white...

Analysis of Families in the Multiple Autoimmune Disease Genetics Consortium (MADGC) Collection: the PTPN22 620W Allele Associates with Multiple Autoimmune Phenotypes

Criswell, Lindsey A., Pfeiffer, Kirsten A., Lum, Raymond F., Gonzales, Bonnie, Novitzke, Jill, Kern, Marlena, ...

Autoimmune disorders constitute a diverse group of phenotypes with overlapping features and a tendency toward familial aggregation. It is likely that common underlying genes are involved in these...

Genome Screening in Human Systemic Lupus Erythematosus: Results from a Second Minnesota Cohort and Combined Analyses of 187 Sib-Pair Families

Gaffney, Patrick M., Ortmann, Ward A., Selby, Scott A., Shark, Katherine B., Ockenden, Theresa C., Rohlf, Kristine E., ...

Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by a loss of immunologic tolerance to a multitude of self-antigens. Epidemiological data suggest an important role for genes...

Microarray Analyses of Peripheral Blood Cells Identifies Unique Gene Expression Signature in Psoriatic Arthritis

Batliwalla, Franak M., Li, Wentian, Ritchlin, Christopher T., Xiao, Xiangli, Brenner, Max, Laragione, Teresina, ...

Psoriatic arthritis (PsA) is a chronic and erosive form of arthritis of unknown cause. We aimed to characterize the PsA phenotype using gene expression profiling and comparing it with healthy control...

Fine-Mapping Chromosome 20 in 230 Systemic Lupus Erythematosus Sib Pair and Multiplex Families: Evidence for Genetic Epistasis with Chromosome 16q12

Gaffney, Patrick M., Langefeld, Carl D., Graham, Robert R., Ortmann, Ward A., Williams, Adrienne H., Rodine, Peter R., ...

The presence of systemic lupus erythematosus (SLE) susceptibility genes on chromosome 20 is suggested by the observation of genetic linkage in several independent SLE family collections. To further...

Elevated Serum Levels of Interferon-Regulated Chemokines Are Biomarkers for Active Human Systemic Lupus Erythematosus

Bauer, Jason W, Baechler, Emily C, Petri, Michelle, Batliwalla, Franak M, Crawford, Dianna, Ortmann, Ward A, ...

A comprehensive survey of the serologic proteome in human SLE suggests that severely disrupted chemokine gradients may contribute to the systemic autoimmunity observed.

An Interferon Signature in the Peripheral Blood of Dermatomyositis Patients is Associated with Disease Activity

Baechler, Emily C, Bauer, Jason W, Slattery, Catherine A, Ortmann, Ward A, Espe, Karl J, Novitzke, Jill, ...

Recent studies have shown increased expression of interferon (IFN)-regulated genes in the peripheral blood cells of patients with systemic lupus erythematosus. A similar interferon signature has been...

Three functional variants of IFN regulatory factor 5 (IRF5) define risk and protective haplotypes for human lupus

Graham, Robert R., Kyogoku, Chieko, Sigurdsson, Snaevar, Vlasova, Irina A., Davies, Leela R. L., Baechler, Emily C., ...

Systematic genome-wide studies to map genomic regions associated with human diseases are becoming more practical. Increasingly, efforts will be focused on the identification of the specific...

Role for Msh5 in the regulation of Ig class switch recombination

Sekine, Hideharu, Ferreira, Ricardo C., Pan-Hammarström, Qiang, Graham, Robert R., Ziemba, Beth, De Vries, Sandra S., ...

Ig class switch recombination (CSR) and somatic hypermutation serve to diversify antibody responses and are orchestrated by the activity of activation-induced cytidine deaminase and many proteins...

Visualization of the Genesis and Fate of Isotype-switched B Cells during a Primary Immune Response

Pape, Kathryn A., Kouskoff, Valerie, Nemazee, David, Tang, H. Lucy, Cyster, Jason G., Tze, Lina E., ...

The life history of isotype-switched B cells is unclear, in part, because of an inability to detect rare antigen-specific B cells at early times during the immune response. To address this issue, a...

Relaxed Negative Selection in Germinal Centers and Impaired Affinity Maturation in bcl-xL Transgenic Mice

Takahashi, Yoshimasa, Cerasoli, Douglas M., Dal Porto, Joseph M., Shimoda, Michiko, Freund, Robert, Fang, Wei, ...

The role of apoptosis in affinity maturation was investigated by determining the affinity of (4-hydroxy-3-nitrophenyl)acetyl (NP)-specific antibody-forming cells (AFCs) and serum antibody in...

Cd5 Maintains Tolerance in Anergic B Cells

Hippen, Keli L., Tze, Lina E., Behrens, Timothy W.

Clonal anergy of autoreactive B cells is a key mechanism regulating tolerance. Here, we show that anergic B cells express significant surface levels of CD5, a molecule normally found on T cells and a...

Two Novel Routes of Transporter Associated with Antigen Processing (TAP)-independent Major Histocompatibility Complex Class I Antigen Processing

Snyder, Heidi Link, Bačík, Igor, Bennink, Jack R., Kearns, Grainne, Behrens, Timothy W., Bächi, Thomas, ...

Jaw1 is an endoplasmic reticulum (ER) resident protein representative of a class of proteins post translationally inserted into membranes via a type II membrane anchor (cytosolic NH2 domain, lumenal...

Transgene Expression of bcl-xL Permits Anti-immunoglobulin (Ig)–induced Proliferation in xid B Cells

Solvason, Nanette, Wu, Wei Wei, Kabra, Nisha, Lund-Johansen, Fridjtof, Roncarolo, Maria Grazia, Behrens, Timothy W., ...

Mutations in the tyrosine kinase, Btk, result in a mild immunodeficiency in mice (xid). While B lymphocytes from xid mice do not proliferate to anti-immunoglobulin (Ig), we show here induction of the...

Specificity of the STAT4 Genetic Association for Severe Disease Manifestations of Systemic Lupus Erythematosus

Taylor, Kimberly E., Remmers, Elaine F., Lee, Annette T., Ortmann, Ward A., Plenge, Robert M., Tian, Chao, ...

Systemic lupus erythematosus (SLE) is a genetically complex disease with heterogeneous clinical manifestations. A polymorphism in the STAT4 gene has recently been established as a risk factor for...

Genome-Wide Association Scan Identifies Candidate Polymorphisms Associated with Differential Response to Anti-TNF Treatment in Rheumatoid Arthritis

Liu, Chunyu, Batliwalla, Franak, Li, Wentian, Lee, Annette, Roubenoff, Ronenn, Beckman, Evan, ...

The prediction of response (or non-response) to anti-TNF treatment for rheumatoid arthritis (RA) is a pressing clinical problem. We conducted a genome-wide association study using the Illumina...

High-Density SNP Screening of the Major Histocompatibility Complex in Systemic Lupus Erythematosus Demonstrates Strong Evidence for Independent Susceptibility Regions

Barcellos, Lisa F., May, Suzanne L., Ramsay, Patricia P., Quach, Hong L., Lane, Julie A., Nititham, Joanne, ...

A substantial genetic contribution to systemic lupus erythematosus (SLE) risk is conferred by major histocompatibility complex (MHC) gene(s) on chromosome 6p21. Previous studies in SLE have lacked...