نتایج جستجو برای: ret
تعداد نتایج: 4062 فیلتر نتایج به سال:
As part of ongoing studies on the RET rearrangement frequency in children with papillary thyroid carcinoma (PTC) after their exposure to radioactive iodine after the Chernobyl reactor accident, new methods for the detection of novel types of RET rearrangements are being developed. In this study, an improved reverse transcription-PCR strategy is used successfully to identify a new type of RET re...
bstract—Glial cell line–derived neurotrophic factor (GDNF) s one of the most potent trophic factors identified for prooting survival and function of dopaminergic (DA) neurons n the midbrain. Ret, a member of the receptor tyrosine kinase RTK) superfamily transduces GDNF signaling. The role of et in the development of DA neurons is not clear however. ere we demonstrate the involvement of Ret in t...
Achaete-scute homolog 1 (ASCL1) is a neuroendocrine transcription factor specifically expressed in 10-20% of lung adenocarcinomas (AD) with neuroendocrine (NE) differentiation (NED). ASCL1 functions as an upstream regulator of the RET oncogene in AD with high ASCL1 expression (A+AD). RET is a receptor tyrosine kinase with two main human isoforms; RET9 (short) and RET51 (long). We found that ele...
Glial cell line-derived neurotrophic factor (GDNF), a potential therapeutic factor for Parkinson's disease (PD), exerts its biological effects through the Ret receptor tyrosine kinase. The redistribution of Ret into lipid rafts substantially influences Ret signaling, but the mechanisms underlying Ret translocation remain unclear. The purpose of our study was to further explore the signaling mec...
The receptor tyrosine kinase RET is implicated in the progression of luminal breast cancers (BC) but its role in estrogen receptor (ER) negative tumors is unknown. Here we investigated the expression of RET in breast cancer patients tumors and patient-derived xenografts (PDX) and evaluated the therapeutic potential of Vandetanib, a tyrosin kinase inhibitor with strong activity against RET, EGFR...
Medial thalamus receives fibers from both medial forebrain bundle (MFB) and hindbrain and midbrain reticular formation (RET). The MFB and RET stimulations are rewarding and aversive respectively. In 32 unanesthetized cerveaz~ isolt! rats, 158 units were recorded. The MFB and RET effects converge on two thirds of the units recorded in the dorsal medial and paracentral nuclei of thalamus and are ...
Inhibitors of RET, a tyrosine kinase receptor encoded by a gene that is frequently mutated in medullary thyroid cancer, have emerged as promising novel therapies for the disease. Rapalogs and other mammalian target of rapamycin (mTOR) inhibitors are effective agents in patients with gastroenteropancreatic neuroendocrine tumors, which share lineage properties with medullary thyroid carcinomas. T...
The receptor tyrosine kinase Ret (c-Ret) transduces the glial cell line-derived neurotrophic factor (GDNF) signal, one of the neurotrophic factors related to the degeneration process or the regeneration activity of motor neurons in amyotrophic lateral sclerosis (ALS). The phosphorylation of several tyrosine residues of c-Ret seems to be altered in ALS. c-Ret is expressed in motor neurons and in...
OBJECTIVE Multiple endocrine neoplasia type 2 (MEN 2) is a genetic disease characterized by medullary thyroid carcinoma (MTC) associated (MEN 2A and 2B) or not familial MTC (FMTC) with other endocrine neoplasia due to germline RET gene mutations. The prevalence of these rare genetic diseases and their corresponding RET mutations are unknown due to the small size of the study population. METHO...
The RET proto-oncogene encodes a receptor tyrosine kinase for the glial cell line-derived neurotrophic factor family of ligands. Loss-of-function mutations in RET are implicated in Hirschsprung disease, whereas activating mutations in RET are found in human cancers, including familial medullar thyroid carcinoma and multiple endocrine neoplasias 2A and 2B. We report here the biochemical characte...
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