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Total 133 results found since Jan 2013.
Hyperglycaemia aggravates periodontal inflamm-aging by promoting SETDB1-mediated LINE-1 de-repression in macrophages
CONCLUSIONS: The findings of this study show that SETDB1 regulates senescence-like phenotypical switching of macrophages and is a potential candidate for the treatment of diabetes-induced periodontal inflamm-aging.PMID:37661095 | DOI:10.1111/jcpe.13871
Source: Journal of Clinical Periodontology - September 3, 2023 Category: Dentistry Authors: Ziqi Yue Luningxiao Nie Ning Ji Yuezhang Sun Kangjian Zhu Haonan Zou Xiuxiu Song Jiao Chen Qi Wang Source Type: research
Metformin ameliorates ferroptosis in cardiac ischemia and reperfusion by reducing NOX4 expression via promoting AMPK α
CONCLUSIONS: Met shows effectiveness in relieving ferroptosis in cardiac I/R. In the future, Met may be an effective drug for relieving ferroptosis in cardiac I/R patients clinically.PMID:37288723 | DOI:10.1080/13880209.2023.2212700
Source: Pharmaceutical Biology - June 8, 2023 Category: Drugs & Pharmacology Authors: Zhenhua Wu Yunpeng Bai Yujuan Qi Chao Chang Yan Jiao Yaobang Bai Zhigang Guo Source Type: research
Metformin alleviates lung-endothelial hyperpermeability by regulating cofilin-1/PP2AC pathway
Conclusion: Together, these data reveal the unprecedented endothelial cofilin-1/PP2AC signaling axis downstream of metformin in protecting against lung vascular endothelial injury and inflammation. Therefore, pharmacologically enhancing endothelial PP2AC activity may lead to the development of novel therapeutic approaches for prevention of deleterious effects of ALI on vascular ECs.
Source: Frontiers in Pharmacology - June 8, 2023 Category: Drugs & Pharmacology Source Type: research
Metformin protects against retinal ischemia/reperfusion injury through AMPK-mediated mitochondrial fusion
This study aims to evaluate the protective effect of metformin against retinal I/R injury and its underlying mechanism. I/R induced reduction in retina thickness and cell number in ganglion cell layer, and metformin alleviated I/R-induced retinal injury. Both retinal I/R and simulated ischemia/reperfusion (SIR) in R28 cells down-regulated expression of mitochondrial fusion protein Mfn2 and OPA1, which led to mitochondrial fission. Metformin also alleviated damage in R28 cells, and reversed the alteration in Mfn2 and OPA1, mitochondrial fission and mitochondrial membrane potential (MMP) disruption-induced by I/R or SIR as w...
Source: Free Radical Biology and Medicine - May 30, 2023 Category: Biology Authors: Kun Zhang Tao Wang Gui-Feng Sun Jin-Xing Xiao Li-Ping Jiang Fang-Fang Tou Xin-Hui Qu Xiao-Jian Han Source Type: research
Metformin reverses oxidative stress ‑induced mitochondrial dysfunction in pre‑osteoblasts via the EGFR/GSK‑3β/calcium pathway
Int J Mol Med. 2023 Apr;51(4):36. doi: 10.3892/ijmm.2023.5239. Epub 2023 Mar 31.ABSTRACTOxidative stress is one of the main causes of osteoblast apoptosis induced by post‑menopausal osteoporosis. The authors previously found that metformin can reverse the loss of bone mass in post‑menopausal osteoporosis. The present study aimed to further clarify the effects and mechanisms of action of metformin in post‑menopausal osteoporosis under conditions of oxidative stress. Combined with an in‑depth investigation using the transcriptome database, the association between oxidative stress and mitochondrial dysfunction in post...
Source: International Journal of Molecular Medicine - March 31, 2023 Category: Molecular Biology Authors: Fangming Cao Keda Yang Shui Qiu Jie Li Wen Jiang Lin Tao Yue Zhu Source Type: research
Metformin attenuates fibroblast activation during pulmonary fibrosis by targeting S100A4 via AMPK-STAT3 axis
In this study, MET blocked α-smooth muscle actin (α-SMA) accumulation in vivo accompanied with S100A4 expression and STAT3 phosphorylation inhibition, resulting in attenuating the progression of lung fibrosis after BLM administration. We determined that S100A4 plays critical roles in fibroblasts activation in vitro, evidenced by siRNA knockdown of S100A4 expression downregulated TGF-β1 induced α-SMA production in Human fetal lung fibroblast (HFL1) cells. Importantly, we found for the first time that the expression of S100A4 in fibroblasts was regulated by STAT3. Stattic, an effective small molecule inhibitor of STAT3 p...
Source: Frontiers in Pharmacology - February 3, 2023 Category: Drugs & Pharmacology Source Type: research
