IGF-1R implicated in the pathogenesis of Grave's Disease
Feb 16, 2007 - 12:27:21 PM
, Reviewed by: Dr. Sanjukta Acharya
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According to Dr. Smith, "We continue to build a body of evidence that suggests that a single biological mechanism can activate a variety of autoimmune diseases. It is possible that these findings will allow us for the first time to interrupt the disease process before any lasting damage is done. It could be involved in other autoimmune disorders as well; we're thinking about a large number of diseases."
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Key Points of this article
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The interaction between immunoglobulins and IGF-1R implicated as a cause of inflammation and lymphocyte infiltration in both Graves disease and rheumatoid arthritis.
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Insulin-like growth factor 1 (IGF-1) is a polypeptide which helps in childhood growth and anabolic effects in adults.
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By Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed),
[RxPG] Investigators at the Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed) have found evidence that continues to implicate insulin-like growth factor receptor (IGF-1R) in the development of Graves disease.
In previous research published in the Journal of Immunology, Terry J. Smith, M.D. and Raymond Douglas, M.D., Ph.D. have identified the interaction between immunoglobulins and IGF-1R as a cause of inflammation and lymphocyte infiltration in both Graves disease and rheumatoid arthritis. The discovery of these mechanisms in a similar class of autoimmune diseases supports the belief that a single biological mechanism is activating a variety of autoimmune diseases. The identification of such a mechanism may lead to a common therapeutic strategy for these conditions.
According to Dr. Smith, "We continue to build a body of evidence that suggests that a single biological mechanism can activate a variety of autoimmune diseases. It is possible that these findings will allow us for the first time to interrupt the disease process before any lasting damage is done. It could be involved in other autoimmune disorders as well; we're thinking about a large number of diseases."
In the article appearing in the March 1, 2007 issue of the Journal of Immunology, Dr. Smith and his colleagues report that a disproportionately large fraction of peripheral blood T cells express IGF-1R in patients with Graves disease. The results support a potential role for IGF-1R as a determinant of immune responses through fibroblast and lymphocyte activation and expansion. This further implicates IGF-1R in the pathogenesis of patients with Graves disease.
Graves' disease, the most common cause of hyperthyroidism, can lead to severe swelling around the eye sockets. It is part of a class of autoimmune disorders in which cellular defense mechanisms mistakenly identify the body's own tissues as foreign and seek to destroy them. Other autoimmune disorders in the same class include rheumatoid arthritis, multiple sclerosis, and lupus. 37,000 new patients per year are diagnosed with Graves disease in the United States.
"Autoimmune diseases are among the most insidious and debilitating of human ailments," said LA BioMed President and CEO Kenneth P. Trevett, J.D. We are working closely with Dr. Smith and his colleagues to facilitate this work and promote its transfer to the patient bedside."
Publication:
Journal of Immunology
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About Dr. Sanjukta Acharya
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This news story has been reviewed by Dr. Sanjukta Acharya before its publication on RxPG News website. Dr. Sanjukta Acharya, MBBS is the chief editor for RxPG News website. She oversees all the medical news submissions and manages the medicine section of the website. She has a special interest in diabetes and endocrinology.
RxPG News is committed to promotion and implementation of Evidence Based Medical Journalism in all channels of mass media including internet.
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Additional information about the news article
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The Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed) is one of the largest independent, not-for-profit biomedical research institutes in Los Angeles County. Affiliated with both the David Geffen School of Medicine at UCLA and the Harbor-UCLA Medical Center, the Institute has an annual budget of over $75 million and currently supports more than 1,000 research studies in areas such as cardiology, emerging infections, cancer, womens health, reproductive health, vaccine research, respiratory physiology, dermatology, neonatology, molecular biology, and genetics.
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