نتایج جستجو برای: ژن FBN3
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چکیده مقدمه: سندرم تخمدان پلی کیستیک (PCOS) یک اختلال بسیار پیچیده و ناهمگن است که عوامل ژنتیکی و محیطی در ایجاد آن مشارکت قابل توجهی دارند. PCOS در 10-6 درصد زنان در سنین باروری است. ژن FBN3 یکی از مهمترین ژن های کاندید برای PCOS است. این ژن دارای 20 پلی مورفیسم می باشد. این مطالعه به بررسی ارتباط پلی مورفیسم rs2303169در ژن FBN3 در زنان مبتلا به PCOS پرداخته است. روش کار: این مطالع...
The human genome contains three fibrillins: FBN1 and FBN2, both well characterized, and FBN3, reported only as a cDNA sequence. Like FBN2, the highest expression levels of FBN3 were found in fetal tissues, with only low levels in postnatal tissues. Immunolocalization demonstrated fibrillin-3 in extracellular microfibrils abundant in developing skeletal elements, skin, lung, kidney, and skeletal...
Several studies have demonstrated an association between polycystic ovary syndrome (PCOS) and the dinucleotide repeat microsatellite marker D19S884, which is located in intron 55 of the fibrillin-3 (FBN3) gene. Fibrillins, including FBN1 and 2, interact with latent transforming growth factor (TGF)-beta-binding proteins (LTBP) and thereby control the bioactivity of TGFbetas. TGFbetas stimulate f...
Purpose This study was designed to evaluate the molecular genetics of a Chinese family with Bardet-Biedl syndrome (BBS). Methods All the family members underwent medical history evaluation, ophthalmologic and physical examinations. Whole exome sequencing was performed on two affected individuals and their parents. All variants were verified in all family members by PCR amplification and Sange...
Fibrillins 1-3 are stromal extracellular matrix proteins that play important roles in regulating TGFβ activity, which stimulates fibroblasts to proliferate and synthesize collagen. In the developing ovary, the action of stroma is initially necessary for the formation of ovigerous cords and subsequently for the formation of follicles and the surface epithelium of the ovary. FBN3 is highly expres...
Polycystic ovary syndrome (PCOS) is a complex genetic disease characterized by heritable reproductive and metabolic abnormalities. Genetic variants associated with the reproductive phenotype have been mapped to the fibrillin-3 (FBN3) gene and to a novel transcription factor-7-like 2 (TCF7L2) locus (rs11196236 G). The association of these genetic variants with metabolic phenotypes was investigat...
Thyroid disorders, especially Hashimoto's thyroiditis (HT), and polycystic ovary syndrome (PCOS) are closely associated, based on a number of studies showing a significantly higher prevalence of HT in women with PCOS than in controls. However, the mechanisms of this association are not as clear. Certainly, genetic susceptibility contributes an important part to the development of HT and PCOS. H...
Elastic fibers play a key role in the structure and function of numerous organs that require elasticity. Elastogenesis is a complex process in which cells first produce a microfibrillar scaffold, composed of numerous structural proteins, upon which tropoelastin assembles to be cross-linked into polymeric elastin. Recently, it was demonstrated that low concentrations of free iron upregulate elas...
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