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SIRT1/PGC-1 α signaling activation by mangiferin attenuates cerebral hypoxia/reoxygenation injury in neuroblastoma cells
This study is designed to investigate the protective effect of MGF treatment in the setting of cerebral IRI and to elucidate the potential mechanisms. We first evaluated the toxicity of MGF and chose the safe concentrations for the following experiments. MGF exerted obvious neuroprotection against hypoxia/reoxygenation (HR)-induced injury, indicated by restored cell viability and cell morphology, decreased lactate dehydrogenase (LDH) release and reactive oxygen species generation. MGF also restored the protein expressions of SIRT1, PGC-1α, Nrf2, NQO1, HO-1, NRF1, UCP2, and Bcl2 down-regulated by HR treatment. However, SIR...
Source: European Journal of Pharmacology - June 11, 2021 Category: Drugs & Pharmacology Authors: Mengfan Chen Zheng Wang Wenying Zhou Chenxi Lu Ting Ji Wenwen Yang Zhenxiao Jin Ye Tian Wangrui Lei Songdi Wu Qi Fu Zhen Wu Xue Wu Mengzhen Han Minfeng Fang Yang Yang Source Type: research

Neuroinductive properties of mGDNF depend on the producer, < i > E < /i > . < i > Coli < /i > or human cells
by Dzhirgala V. Shamadykova, Dmitry Y. Panteleev, Nadezhda N. Kust, Ekaterina A. Savchenko, Ekaterina Y. Rybalkina, Alexander V. Revishchin, Galina V. Pavlova The glial cell line‐derived neurotrophic factor (GDNF) is involved in the survival of dopaminergic neurons. Besides, GDNF can also induce axonal growth and creation of new functional synapses. GDNF potential is promising for translation to treat diseases associated with neuronal death: neurodege nerative disorders, ischemic stroke, and cerebral or spinal cord damages. Unproductive clinical trials of GDNF for Parkinson’s disease treatment have induced to study th...
Source: PLoS One - October 11, 2021 Category: Biomedical Science Authors: Dzhirgala V. Shamadykova Source Type: research

What is Ondine ’ s Curse?
Discussion Congenital central hypoventilation syndrome (CCHS) is an autosomal dominant with variable inheritance genetic disease caused by mutation in the Paired Like Homeobox B2 (PHOX2B) gene on chromosome 4. There are two other genes which may also cause CCHS. CCHS affects the chemoreceptor afferent ventilation pathways and is a neural crest migration problem of the autonomic nervous system. The incidence is unknown but a prevalence of 1 in 200,000 live births has been reported. Obviously it is a rarer phenomenon because of the general lethality of the syndrome. Patients usually present at birth or soon afterwards, but o...
Source: PediatricEducation.org - August 15, 2022 Category: Pediatrics Authors: Pediatric Education Tags: Uncategorized Source Type: news

Argon preconditioning protects neuronal cells with a Toll-like receptor-mediated effect
In this study, human neuroblastoma SH-SY5Y cells were treated with different concentrations of argon (25%, 50%, and 74%; 21% O2, 5% CO2, balance nitrogen) at different time intervals before inflicting damage with rotenone (20 µM, 4 hours). Apoptosis was determined by flow cytometry after annexin V and propidium iodide staining. Surface expressions of Toll-like receptors 2 and 4 were also examined. Cells were also processed for analysis by western blot and qPCR to determine the expression of apoptotic and inflammatory proteins, such as extracellular-signal regulated kinase (ERK1/2), nuclear transcription factor-κB (NF-κB...
Source: Cell Research - December 1, 2022 Category: Cytology Authors: Stefanie Scheid Adrien Lejarre Jakob Wollborn Hartmut Buerkle Ulrich Goebel Felix Ulbrich Source Type: research

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