نتایج جستجو برای: sox9
تعداد نتایج: 2137 فیلتر نتایج به سال:
The kidney has a tremendous capacity to regenerate following injury, but factors that govern this response are still largely unknown. We isolated cells from mouse kidneys with high proliferative and multi-lineage differentiation capacity. These cells expressed a high level of Sox9. In regenerating kidneys, Sox9 expression was induced early, and 89% of proliferating cells were Sox9 positive. In ...
Sox9 is an SRY-related transcription factor required for expression of cartilaginous genes in the developing skeletal system and heart valve structures. In contrast to positively regulating cartilaginous matrix, Sox9 also negatively regulates matrix mineralization associated with bone formation. While the transcriptional activation of Sox9 target genes during chondrogenesis has been characteriz...
Our purpose was to investigate the role of SOX9, a novel downstream molecule of beta-catenin, in colorectal cancer. Expression of SOX9 and beta-catenin was detected by immunostaining, quantitative real-time reverse transcription-polymerase chain reaction (Q-PCR), and Western blot in colorectal cancer. The correlation between SOX9 or beta-catenin expression and clinicopathologic parameters was a...
The transcription factor Sox9 is expressed in all chondroprogenitors and has an essential role in chondrogenesis. Sox9 is also expressed in other tissues, including central nervous system, neural crest, intestine, pancreas, testis, and endocardial cushions, and plays a crucial role in cell proliferation and differentiation in several of these tissues. To determine the cell fate of Sox9-expressi...
OBJECTIVE SOX9 plays an important role in bone formation and tumorigenesis. However, its involvement in osteosarcoma is still unclear. The aim of this study was to investigate the expression pattern and the clinical significance of SOX9 in human osteosarcoma. METHODS SOX9 mRNA and protein expression levels were detected by RT-PCR and Western blot assays, respectively, using 30 pairs of osteos...
Deregulation of SOX9 expression has been detected in various human cancer tissues; however, the functional role of SOX9 expression has not been fully elucidated in glioma. SOX9 expression in glioma tissues was analyzed using public tumor datasets and quantitative reverse transcription polymerase chain reaction. The association of SOX9 expression with clinical prognosis in glioma patients was an...
Campomelic dysplasia (CD) is a rare, neonatal human chondrodysplasia characterized by bowing of the long bones and often associated with male-to-female sex-reversal. Patients present with either heterozygous mutations in the SOX9 gene or chromosome rearrangements mapping at least 50 kb upstream of SOX9. Whereas mutations in SOX9 ORF cause haploinsufficiency, the effects of translocations 5' to ...
Roles for SOX9 have been extensively studied in development and particular emphasis has been placed on SOX9 roles in cell lineage determination in a number of discrete tissues. Aberrant expression of SOX9 in many cancers, including colorectal cancer, suggests roles in these diseases as well and recent studies have suggested tissue- and context-specific roles of SOX9. Our genome wide approach by...
In mammals, male sex determination is governed by SRY-dependent activation of Sox9, whereas female development involves R-spondin1 (RSPO1), an activator of the WNT/beta-catenin signaling pathway. Genetic analyses in mice have demonstrated Sry and Sox9 to be both required and sufficient to induce testicular development. These genes are therefore considered as master regulators of the male pathwa...
In mouse and chick embryos, the SOX9 gene is down-regulated in genetic females whereas in genetic males it remains in the Sertoli cells. We studied the distribution of SOX9 protein in developing genital ridges of embryos of the sea turtle Lepidochelys olivacea incubated at male- or female-promoting temperatures, using the antibody for detection. At stages 22-24, cells in medullary cords show SO...
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