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Enhanced autophagy interacting proteins negatively correlated with the activation of apoptosis-related caspase family proteins after focal ischemic stroke of young rats
CONCLUSIONS: Collectively, the present results suggest that the the reduced levels of neuronal death after CIR in young rats were closely related to enhanced levels of autophagy and reduced levels of pro-apoptosis in neurons.PMID:36171540 | DOI:10.1186/s12868-022-00740-w
Source: Cancer Control - September 28, 2022 Category: Cancer & Oncology Authors: Jie Wang Zihao Xia Peng Sheng Mengmeng Shen Lidong Ding Dezhi Liu Bing Chun Yan Source Type: research

PAC proton-activated chloride channel contributes to acid-induced cell death in primary rat cortical neurons.
Authors: Osei-Owusu J, Yang J, Del Carmen Vitery M, Tian M, Qiu Z Abstract Severe local acidosis causes tissue damage and pain, and is associated with many diseases, including cerebral and cardiac ischemia, cancer, infection, and inflammation. However, the molecular mechanisms of the cellular response to extracellular acidic environment are not fully understood. We recently identified a novel and evolutionarily conserved membrane protein, PAC (also known as PACC1 or TMEM206), encoding the proton-activated chloride (Cl-) channel, whose activity is widely observed in human cell lines. We demonstrated that genetic del...
Source: Channels - February 26, 2020 Category: Molecular Biology Tags: Channels (Austin) Source Type: research

Orally Administered Crocin Protects Against Cerebral Ischemia/Reperfusion Injury Through the Metabolic Transformation of Crocetin by Gut Microbiota
Conclusion Collectively, pharmacokinetic and pharmacodynamic association studies provide evidence that the gut microbiota plays a vital role in the fate of crocin and crocetin in the gastrointestinal tract. In addition, the cross-interaction between gut microbiota and crocin might mediate the activation of the cerebral-protective effect of orally administered crocin. Ethics Statement This study was carried out in accordance with the recommendations of ‘Institutional Animal Research Committee guidelines, Animal Ethics Committee of China Pharmaceutical University.’ The protocol was approved by the ‘An...
Source: Frontiers in Pharmacology - April 29, 2019 Category: Drugs & Pharmacology Source Type: research

PAC, an evolutionarily conserved membrane protein, is a proton-activated chloride channel
Severe local acidosis causes tissue damage and pain, and is one of the hallmarks of many diseases including ischemia, cancer, and inflammation. However, the molecular mechanisms of the cellular response to acid are not fully understood. We performed an unbiased RNA interference screen and identified PAC (TMEM206) as being essential for the widely observed proton-activated Cl– (PAC) currents (ICl,H). Overexpression of human PAC in PAC knockout cells generated ICl,H with the same characteristics as the endogenous ones. Zebrafish PAC encodes a PAC channel with distinct properties. Knockout of mouse Pac abolished ICl,H i...
Source: ScienceNOW - April 24, 2019 Category: Science Authors: Yang, J., Chen, J., del Carmen Vitery, M., Osei-Owusu, J., Chu, J., Yu, H., Sun, S., Qiu, Z. Tags: Cell Biology reports Source Type: news

Stroke Dysbiosis Index (SDI) in Gut Microbiome Are Associated With Brain Injury and Prognosis of Stroke
Conclusions: We developed an index to measure gut microbiota dysbiosis in stroke patients; this index was significantly correlated with patients' outcome and was causally related to outcome in a mouse model of stroke. Our model facilitates the potential clinical application of gut microbiota data in stroke and adds quantitative evidence linking the gut microbiota to stroke. Introduction Ischemic stroke imposes a heavy burden on society, with 24.9 million cases worldwide (1). Although intravenous thrombolysis and endovascular treatment greatly improve some patients' prognosis, the prognosis for most pa...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Ability to Suppress TGF- β-Activated Myofibroblast Differentiation Distinguishes the Anti-pulmonary Fibrosis Efficacy of Two Danshen-Containing Chinese Herbal Medicine Prescriptions
Conclusion: This study suggests that a clinically efficacious cardiovascular Chinese herbal medicine (DLP) can be successfully repurposed to treat a lung disease in pulmonary fibrosis guided by TCM theory. Our comparative study between DLP and DHP demonstrated a critical requirement of suppressing both pro-inflammatory and pro-fibrotic pathways for the treatment of pulmonary fibrosis, supporting that a multi-component prescription capable of “removing both phlegm and blood stasis” will better achieve co-protection of heart and lung in PHD. Introduction Idiopathic pulmonary fibrosis (IPF) is a chronic ...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research