نتایج جستجو برای: neuregulin 1
تعداد نتایج: 2753086 فیلتر نتایج به سال:
objective: although the etiology of schizophrenia is unknown, it has a significant genetic component. a number of studies have indicated that neuregulin-1 (nrg1) gene may play a role in the pathogenesis of schizophrenia. in this study, we examined whether the rs2439272 of nrg1 is associated with schizophrenia and its negative symptoms in an iranian population. method: rs2439272 was genotype...
the neuregulin is a member of the epidermal growth factors (egf) family of receptor kinases, was originally identified as the product of the transforming gene derived from chemically induced rat neuroblastoms. a variety of different protein isoforms are produced from single neuregulin gene. four distinct vertebrate gene encode neuregulin, prosaically named nrg1, nrg2, nrg3, and nrg4. most of bi...
Axonal surface proteins encompass a group of heterogeneous molecules, which exert a variety of different functions in the highly interdependent relationship between axons and Schwann cells. We recently revealed that the tumour suppressor protein merlin, mutated in the hereditary tumour syndrome neurofibromatosis type 2, impacts significantly on axon structure maintenance in the peripheral nervo...
In head and neck squamous cell cancer (HNSCC), four intrinsic subtypes (or groups) have been identified, and each one possesses a unique biology that will require specific treatment strategies. We previously reported that mesenchymal (group 2) tumors exhibit reduced levels of Trop2 expression. In this study, we investigated the functional role of Trop2 in HNSCC and find that loss results in aut...
During peripheral nervous system development, Schwann cells are precisely matched to the axons that they support. This is mediated by axonal neuregulins that are essential for Schwann cell survival and differentiation. Here, we show that sensory and motor axons rapidly release heparin-binding forms of neuregulin in response to Schwann cell-derived neurotrophic factors in a dose-dependent manner...
The ligands of the epidermal growth factor family and their receptors, the ErbB proteins, have been linked to the development of different types of cancer. Particular attention has focused on ErbB2, whose activation may occur by receptor overexpression or by ligand-induced oligomerization with other ErbB receptors. Whether these two modes of ErbB2 activation cause the same biological responses ...
Myelin is required for proper nervous system function. Schwann cells in developing nerves depend on extrinsic signals from the axon and from the extracellular matrix to first sort and ensheathe a single axon and then myelinate it. Neuregulin 1 type III (Nrg1III) and laminin α2β1γ1 (Lm211) are the key axonal and matrix signals, respectively, but how their signaling is integrated and if each mole...
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