نتایج جستجو برای: nrg1
تعداد نتایج: 755 فیلتر نتایج به سال:
Identification of factors that direct embryonic stem (ES) cell (ESC) differentiation into functional cardiomyocytes is essential for successful use of ESC-based therapy for cardiac repair. Neuregulin-1 (NRG1) and microRNA play important roles in the cardiac differentiation of ESCs. Understanding how NRG1 regulates microRNA will provide new mechanistic insights into the role of NRG1 on ESCs. It ...
The CD74-Neuregulin1 (NRG1) fusion gene was recently identified as novel driver of invasive mucinous adenocarcinoma, a malignant form of lung cancer. However, the function of the CD74-NRG1 fusion gene in adenocarcinoma pathogenesis and the mechanisms by which it may impart protumorigenic characteristics to cancer stem cells (CSC) is still unclear. In this study, we found that the expression of ...
In breast cancer, neuregulin-1 (NRG1) is known as a ligand for the HER3 receptor, which has no intrinsic tyrosine kinase activity. When activated by NRG1 binding, the HER3 receptor forms a heterodimer with other HER family receptors and mediates downstream signaling pathways, leading to multiple effects including growth, proliferation, decreased apoptosis, cellular migration and angiogenesis. C...
Neuregulin-1 (NRG1) and its receptor ErbB4 influence several processes of neurodevelopment, but the mechanisms regulating this signalling in the mature brain are not well known. DISC1 is a multifunctional scaffold protein that mediates many cellular processes. Here we present a functional relationship between DISC1 and NRG1-ErbB4 signalling in mature cortical interneurons. By cell type-specific...
Neuregulin-1 (NRG1), a regulator of neural development, has been shown to regulate neurotransmission at excitatory synapses. Although ErbB4, a key NRG1 receptor, is expressed in glutamic acid decarboxylase (GAD)-positive neurons, little is known about its role in GABAergic transmission. We show that ErbB4 is localized at GABAergic terminals of the prefrontal cortex. Our data indicate a role of ...
The Neuregulin-1 (Nrg1)/ErbB pathway plays multiple, critical roles in early cardiac and nervous system development and has been implicated in both heart and nerve repair processes. However, the early embryonic lethality of mouse Nrg1 mutants precludes an analysis of Nrg1's function in later cardiac development and homeostasis. In this study, we generated a novel nrg1 null allele targeting all ...
Sensory axons must develop appropriate connections with both central and peripheral targets. Whereas the peripheral cues have provided a classic model for neuron survival and guidance, less is known about the central cues or the coordination of central and peripheral connectivity. Here we find that type III Nrg1, in addition to its known effect on neuron survival, regulates axon pathfinding. In...
The Neuregulin 1 (NRG1)/ErbB4 signaling pathway has been genetically and functionally implicated in the etiology underlying schizophrenia, and in the regulation of glutamatergic pyramidal neuron function and plasticity. However, ErbB4 receptors are expressed in subpopulations of GABAergic interneurons, but not in hippocampal or cortical pyramidal neurons, indicating that NRG1 effects on princip...
Genetically modified mice have been a major source of information about the molecular control of Schwann-cell myelin formation, and the role of β-neuregulin 1 (NRG1) in this process in vivo. In vitro, on the other hand, Schwann cells from rats have been used in most analyses of the signaling pathways involved in myelination. To correlate more effectively in vivo and in vitro data, we used purif...
Schizophrenia is a severe mental illness that affects approximately 1% of the population worldwide. Genetic factors play a major role in the etiology of schizophrenia, with an estimated heritability of around 80%. Genetic variation in Neuregulin 1 (NRG1) has been repeatedly linked to the disorder in multiple human populations. In particular, more than 80 single nucleotide polymorphisms localize...
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