نتایج جستجو برای: hedgehog signal
تعداد نتایج: 426460 فیلتر نتایج به سال:
هدف: سرطان پستان به عنوان بیماری هتروژن با ویژگی های زیستی و فنوتیپی متفاوت همراه است که این ویژگی ها تشخیص و درمان بیماری را چالش برانگیز کرده است. این مطالعه به بررسی سطوح بیانی اعضای کلیدی مسیر پیام رسانی hedgehog و همراهی بیان گیرنده انتقال پیام smo با برخی ویژگی های بالینی و آسیبشناختی نظیر وضعیت بیان her-2، متاستاز به عروق لنفی و مرحله متاستاز در کارسینومای تهاجمی پستان می پردازد. همچنین...
Cholesterol biosynthesis has been assumed to be an ubiquitous process in vertebrate organisms. Here we present data demonstrating that expression of key enzymes of cholesterol biosynthesis is restricted to specific tissues during embryonic development. Distinct expression starts in the dorsal neural tube at embryonic day 8 and is later detected in dorsal root and cephalic ganglia, in the pharyn...
The cerebellum provides an excellent system for understanding how afferent and target neurons coordinate sequential intercellular signals and cell-autonomous genetic programs in development. Mutations in the orphan nuclear receptor RORalpha block Purkinje cell differentiation with a secondary loss of afferent granule cells. We show that early transcriptional targets of RORalpha include both mit...
Evidence supporting the functionality of Smoothened (SMO), an essential transducer in most pathways engaged by Hedgehog (Hh), as a G(i)-coupled receptor contrasts with the lack of an apparently consistent requirement for G(i) in Hh signal transduction. In the present study, we sought to evaluate the role of SMO-G(i) coupling in fibroblast migration induced by Sonic Hedgehog (Shh). Our results d...
SCUBE2 [signal peptide, CUB domain, EGF (epidermal growth factor)-like protein 2] belongs to an evolutionarily conserved SCUBE protein family, which possesses domain organization characteristic of an N-terminal signal peptide sequence followed by nine EGF-like repeats, a spacer region, three cysteine-rich repeat motifs, and one CUB domain at the C-terminus. Despite several genetic analyses sugg...
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