نتایج جستجو برای: six1
تعداد نتایج: 387 فیلتر نتایج به سال:
Planarians can regenerate any missing body part, requiring mechanisms for the production of organ systems in the adult, including their prominent tubule-based filtration excretory system called protonephridia. Here, we identify a set of genes, Six1/2-2, POU2/3, hunchback, Eya and Sall, that encode transcription regulatory proteins that are required for planarian protonephridia regeneration. Dur...
In vertebrates, skeletal muscles of the body arise from cells of somitic origin. Recently, somite culture experiments have identified a set of genes, including Pax3, Six1, Eya2, and Dach2, that appear to play an important role in early myogenesis during somite development (Heanue et al. [1999] Genes Dev. 13:3231-3243). In somite culture Pax3, Six1, Eya2, and Dach2 not only function to activate ...
The vast majority of deaths associated with cancer are a consequence of a complex phenotypic behavior, metastasis, by which tumor cells spread from their primary site of origin to regional and distant sites. This process requires the tumor cell to make numerous adjustments, both subtle and dramatic, to successfully reach, survive, and flourish at favorable secondary sites. It has been suggested...
<b><i>Introduction:</i></b> The homeodomain transcription factor sine oculis homeobox homolog 1 (Six1) plays a crucial role in embryogenesis and is not expressed normal adult tissue but many pathological processes, including airway remodelling asthma. current study aimed to reveal the effects of Six1 regulating its possible mechanism. <b><i>Methods:</i>...
ژن six1 یکی از اعضای خانواده ی ژنی six و کدکننده ی یک فاکتور رونویسی است که در طی جنین زایی با تنظیم فعالیت طیف وسیعی از ژن ها، نقش کلیدی را در تکامل اندام های مختلف ایفا می کند. six1 در بسیاری از بافت های افراد بالغ سالم بیان بسیار پایینی دارد یا فاقد بیان است این در حالی است که تکثیر ژنی و افزایش بیان آن در بسیاری از سرطان ها گزارش شده است. از آن جایی که بسیاری از مطالعات نقش میکروستلایت ها...
Eya1 encodes a transcriptional co-activator and is expressed in cranial sensory placodes. It interacts with and functions upstream of the homeobox gene Six1 during otic placodal development. Here, we have examined their role in cranial sensory neurogenesis. Our data show that the initial cell fate determination for the vestibuloacoustic neurons and their delamination appeared to be unaffected i...
Renal hypodysplasia (RHD) is characterized by a reduced nephron number, small kidney size, and disorganized renal tissue. A hereditary basis has been established for a subset of affected patients, suggesting a major role of developmental genes that are involved in early kidney organogenesis. Gene mutations that have dominant inheritance and cause RHD, urinary tract anomalies, and defined extrar...
This thesis has been accepted as part of the honors requirements in the Program in Biochemistry and Molecular Biology. _____________________________________ ____________________ (advisor signature) (date) _____________________________________ ____________________ (reader signature) (date) 2 Table of Contents • Acknowledgments • Abstract • Introduction • Materials and Methods • Results • Discuss...
Epithelial-mesenchymal transition (EMT) in carcinoma cells enhances malignant progression by promoting invasion and survival. EMT is induced by microenvironmental factors, including TGF-β and Wnt agonists, and by the E-box-binding transcription factors Twist, Snail, and ZEB. Grainyhead-like-2 (GRHL2), a member of the mammalian Grainyhead family of wound-healing regulatory transcription factors,...
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