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In systemic lupus erythematosus (SLE), the impairment in apoptosis can facilitate the initiation and maintenance of autoimmune responses to self antigens. Here we show that the adipocytokine leptin, which is abnormally elevated in SLE, promotes the survival and proliferation of autoreactive T-cells in mice with an autoreactive T-cell repertoire, including (NZB x NZW)F1 lupus-prone mice. This ability of leptin to promote lupus T-cell autoimmunity suggests the possibility of a therapeutic targeting of leptin in SLE.
Department of Medicine, University of California at Los Angeles, CA, USA.
This article was published in the following journal.
Name: Clinical immunology (Orlando, Fla.)
Leptin is an adipocytokine that plays a key role in the modulation of immune responses and the development and maintenance of inflammation. Circulating levels of leptin are elevated in systemic lupus ...
Leptin levels X.W., Y.Q. and L.Y. contributed equally to this work. are increased in patients with systemic lupus erythematosus (SLE) but little is known on how this correlates with several disease ch...
A hallmark of autoimmunity in murine models of lupus is the formation of germinal centers (GCs) in lymphoid tissues where self-reactive B cells expand and differentiate. In the host response to foreig...
Lupus is a systemic autoimmune disease characterized by the production of autoreactive antibodies against nuclear antigens. Women are disproportionately affected by lupus, and this sex bias is thought...
Wnt/β-catenin signaling is relatively understudied in immunity and autoimmunity. β-catenin blocks inflammatory mediators and favors tolerogenic dendritic cell (DC) phenotypes. We show here that leuk...
This observational study aims at finding out if individual with autoimmunity exhibit increased numbers of B cells that express two types (instead of one type) of antibodies, and if B cells...
This study involves research to investigate how estrogen affects women of childbearing age and its correlation to Systemic Lupus Erythematosus. The findings from this study might help dete...
This study enrolled over 400 unaffected sisters of young women diagnosed with SLE. These unaffected sisters are being followed with an annual health questionnaire (CSQ) and blood sample.
Mesenchymal Stem Cell (MSC) has been shown to have immunosuppressive and repairing properties. Manifestations of systemic lupus eryhematosus(SLE) may in most patients be ameliorated with m...
Lupus is a systemic autoimmune disease that can present with many varied symptoms, including joint pain, fevers, kidney disease, and rashes. Lupus can affect anyone, but it is most common...
Cell surface receptors for obesity factor (LEPTIN), a hormone secreted by the WHITE ADIPOCYTES. Upon leptin-receptor interaction, the signal is mediated through the JAK2/STAT3 pathway to regulate food intake, energy balance and fat storage.
Process whereby the immune system reacts against the body's own tissues. Autoimmunity may produce or be caused by AUTOIMMUNE DISEASES.
A 16-kDa peptide hormone secreted from WHITE ADIPOCYTES. Leptin serves as a feedback signal from fat cells to the CENTRAL NERVOUS SYSTEM in regulation of food intake, energy balance, and fat storage.
A form of lupus erythematosus in which the skin may be the only organ involved or in which skin involvement precedes the spread into other body systems. It has been classified into three forms - acute (= LUPUS ERYTHEMATOSUS, SYSTEMIC with skin lesions), subacute, and chronic (= LUPUS ERYTHEMATOSUS, DISCOID).
Glomerulonephritis associated with autoimmune disease SYSTEMIC LUPUS ERYTHEMATOSUS. Lupus nephritis is histologically classified into 6 classes: class I - normal glomeruli, class II - pure mesangial alterations, class III - focal segmental glomerulonephritis, class IV - diffuse glomerulonephritis, class V - diffuse membranous glomerulonephritis, and class VI - advanced sclerosing glomerulonephritis (The World Health Organization classification 1982).
Lupus is a complex and poorly understood condition that affects many parts of the body and causes symptoms ranging from mild to life-threatening. There are several types of lupus. The main types are: discoid lupus erythematosus drug-induced lu...