نتایج جستجو برای: human neuronal sh
تعداد نتایج: 1746355 فیلتر نتایج به سال:
SUMMARY Cultured human neuroblastoma cell lines were assayed for biochemical characteristics of neuronal function. The time course of 22Na@ uptake and inhibition of uptake by tetrodotoxin sup ported this. SK-N-MC had no veratridine-dependent 22Na@ uptake. Tyrosine hydroxylase (EC 1.14.10.), glutamic acid decarboxylase (EC 4.1 .1.15), and acetyicholine contents in neuroblastoma cells were compar...
With parallels to concussive mild traumatic brain injury (mTBI) occurring in humans, anesthetized mice subjected to a single 30 g weight drop mTBI event to the right parietal cortex exhibited significant diffuse neuronal degeneration that was accompanied by delayed impairments in recognition and spatial memory. To elucidate the involvement of reversible p53-dependent apoptosis in this neuronal ...
A fundamental question in neurobiology is how the balance between proliferation and differentiation of neuronal precursors is maintained to ensure that the proper number of brain neurons is generated. Substantial evidence implicates DYRK1A (dual specificity tyrosine-phosphorylation-regulated kinase 1A) as a candidate gene responsible for altered neuronal development and brain abnormalities in D...
Borna disease virus (BDV) is a neurotropic and non‑cytolytic virus, which causes behavioral disorders in a wide range of warm‑blooded species. It is well established that BDV induces neurodegeneration by impairing neurogenesis and interfering with neuronal functioning in the limbic system. In the present study, the potential role of BDV infection in SH‑SY5Y cells was identified, and comparisons...
Adipose tissue secretes numerous hormone-like factors, which are known as adipokines. Adipokine receptors have been identified in the central nervous system but the potential role of adipokine signaling in neuroprotection is unclear. The aim of this study is to determine (1) Whether adipokines secreted from cultured adipose tissue of lean humans is protective against oxidative stress-induced ne...
Transthyretin (TTR), a systemic amyloid precursor in the human TTR amyloidoses, interacts with β-amyloid (Aβ) in vitro, inhibits Aβ fibril formation, and suppresses the Alzheimer's disease (AD) phenotype in APP23 mice bearing a human APP gene containing the Swedish autosomal dominant AD mutation. In the present study, we show that TTR is a neuronal product upregulated in AD. Immunohistochemical...
Heme oxygenase-1 (HO-1) degrades heme to carbon dioxide, biliverdin, and Fe2+, which play important roles in various biochemical processes. In this study, we examined the protective function of HO-1 against oxidative stress in SH-SY5Y cells and in a Parkinson's disease mouse model. Western blot and fluorescence microscopy analysis demonstrated that PEP-1-HO-1, fused with a PEP-1 peptide can cro...
In SH-SY5Y human neuroblastoma cells, the cholinergic agonist, carbachol, stimulates phosphorylation of the small heat shock protein 27 (HSP27). Carbachol increases phosphorylation of both Ser-82 and Ser-78 while the phorbol ester, phorbol-12, 13-dibutyrate (PDB) affects only Ser-82. Muscarinic receptor activation by carbachol was confirmed by sensitivity of Ser-82 phosphorylation to hyoscyamin...
Nucleo CMP Forte is a nucleotide-based drug consisting of cytidinemonophosphate, uridinemonophosphate, uridinediphosphate and uridinetriphosphate. It has been prescribed for peripheral nervous system disorders, such as lumbosciatalgia, diabetic or alcoholic polyneuropathy, or trigeminal neuralgia. Its effects on brain pathologies has received little attention. We examined its neuroprotective ef...
Ischemic stroke is an acute vascular event that obstructs blood supply to the brain, producing irreversible damage that affects neurons but also glial and brain vessel cells. Immediately after the stroke, the ischemic tissue produces nitric oxide (NO) to recover blood perfusion but also produces superoxide anion. These compounds interact, producing peroxynitrite, which irreversibly nitrates pro...
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