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Drug: Metformin
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Total 598 results found since Jan 2013.
Inhibition of PRKAA/AMPK (Ser485/491) phosphorylation by crizotinib induces cardiotoxicity via perturbing autophagosome-lysosome fusion
Autophagy. 2023 Sep 21. doi: 10.1080/15548627.2023.2259216. Online ahead of print.ABSTRACTCrizotinib, a small-molecule tyrosine kinase inhibitor targeting ALK, MET and ROS1, is the first-line drug for ALK-positive metastatic non-small cell lung cancer and is associated with severe, sometimes fatal, cases of cardiac failure, which increases the risk of mortality. However, the underlying mechanism remains unclear, which causes the lack of therapeutic strategy. We established in vitro and in vivo models for crizotinib-induced cardiotoxicity and found that crizotinib caused left ventricular dysfunction, myocardial injury and p...
Source: Autophagy - September 21, 2023 Category: Cytology Authors: Zhifei Xu Zezheng Pan Ying Jin Zizheng Gao Feng Jiang Huangxi Fu Xueqin Chen Xiaochen Zhang Hao Yan Xiaochun Yang Bo Yang Qiaojun He Peihua Luo Source Type: research
Fight Aging! Newsletter, September 11th 2023
This article reviews the current regulatory role of miR-7 in inflammation and related diseases, including viral infection, autoimmune hepatitis, inflammatory bowel disease, and encephalitis. It expounds on the molecular mechanism by which miR-7 regulates the occurrence of inflammatory diseases. Finally, the existing problems and future development directions of miR-7-based intervention on inflammation and related diseases are discussed to provide new references and help strengthen the understanding of the pathogenesis of inflammation and related diseases, as well as the development of new strategies for clinical interventi...
Source: Fight Aging! - September 10, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Health impact assessment after Danio rerio long-term exposure to environmentally relevant concentrations of metformin and guanylurea
Chemosphere. 2023 Sep 7:140070. doi: 10.1016/j.chemosphere.2023.140070. Online ahead of print.ABSTRACTThe antidiabetic drug metformin (MET) and its metabolite guanylurea (GUA) have been frequently and ubiquitously detected in surface water. Consequently, there has been a consistent rise in studying the toxicity of MET and GUA in fish over the past decade. Nonetheless, it is noteworthy that no study has assessed the harmful effects both compounds might trigger on fish blood and organs after chronic exposure. Taking into consideration the data above, our research strived to accomplish two primary objectives: Firstly, to asse...
Source: Chemosphere - September 9, 2023 Category: Chemistry Authors: Gustavo Axel Elizalde-Vel ázquez Selene Elizabeth Herrera-V ázquez Leobardo Manuel G ómez-Oliván Sandra Garc ía-Medina Source Type: research
The metabolic response of human trophoblasts derived from term placentas to metformin
Conclusions/interpretationIn primary trophoblasts derived from term placentas metformin treatment caused a reduction in oxidative phosphorylation through partial inactivation of complex I and potentially by other mechanisms. Metformin-treated trophoblasts accumulate lipids, particularly long- and very-long-chain polyunsaturated fatty acids. Our findings raise clinically important questions about the balance of risk of metformin use during pregnancy, particularly in situations where the benefits are not clear-cut and alternative therapies are available.Graphical Abstract
Source: Diabetologia - September 5, 2023 Category: Endocrinology Source Type: research
Fight Aging! Newsletter, September 4th 2023
In conclusion, although the contribution of CRF to GrimAgeAccel and FitAgeAccel is relatively low compared to lifestyle-related factors such as smoking, the results suggest that the maintenance of CRF is associated with delayed biological ageing in older men.
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Release of Acetylcholine is Necessary for the Aging Brain to Compensate for a Lack of Neurogenesis
https://www.fightaging.org/archives/2023/09/release-of-acetylcholine-is-necessary-for-the-aging-brain-to-compensate-for-a-lack-of-neurogenesis/
Neurogenesis is the process by which new neurons are created by neural stem ce...
Source: Fight Aging! - September 3, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Long-term oral tribasic copper chloride exposure impedes cognitive function and disrupts mitochondrial metabolism by inhibiting mitophagy in rats
Environ Pollut. 2023 Aug 29:122474. doi: 10.1016/j.envpol.2023.122474. Online ahead of print.ABSTRACTCopper (Cu) is an essential micronutrient element that commonly acted as a feed additive and antimicrobial in agricultural production. Tribasic copper chloride (TBCC) is a relatively new dietary Cu source, and its exposure directly or indirectly affects the safety of animals and ecological environment, thus posing a potential risk to human health. Cu overexposure would produce toxic reactive oxygen species (ROS) that may have toxic effects on the host, but the mechanism of neurotoxicity remains unclear. Herein, to explore t...
Source: Environmental Pollution - August 31, 2023 Category: Environmental Health Authors: Wenlan Yu Xiaoyue Chang Jianzhao Liao Jinwen Quan Siying Liu Ting He Gaolong Zhong Jilei Huang Zhonghua Liu Zhaoxin Tang Source Type: research
Mitophagy-promoting agents and their ability to promote healthy-aging
In conclusion, this article provides an up-to-date source of information about natural and synthetic substances that activate mitophagy and, hopefully, stimulates new hypotheses and studies that promote healthy human aging worldwide.PMID:37650304 | DOI:10.1042/BST20221363
Source: Biochemical Society Transactions - August 31, 2023 Category: Biochemistry Authors: Vijigisha Srivastava Einav Gross Source Type: research
Strategy of targeting the tumor microenvironment via inhibition of fibroblast/fibrosis remodeling new era to cancer chemo-immunotherapy resistance
Eur J Pharmacol. 2023 Aug 22:175991. doi: 10.1016/j.ejphar.2023.175991. Online ahead of print.ABSTRACTThe use of repurposing drugs that may have neoplastic and anticancer effects increases the efficiency and decrease resistance to chemotherapy drugs through a biochemical and mechanical transduction mechanisms through modulation of fibroblast/fibrosis remodeling in tumor microenvironment (TME). Interestingly, fibroblast/fibrosis remodeling plays a vital role in mediating cancer metastasis and drug resistance after immune chemotherapy. The most essential hypothesis for induction of chemo-immunotherapy resistance is via activ...
Source: European Journal of Pharmacology - August 24, 2023 Category: Drugs & Pharmacology Authors: Mahboubeh Tajaldini Amirhoushang Poorkhani Taghi Amiriani Amirhossein Amiriani Hossein Javid Parham Aref Farahnazsadat Ahmadi Somayeh Sadani Vahid Khori Source Type: research
GSE157049 RNA-seq of metformin treatment in liver in WT, Raptor Ser-Ala mutant, Tsc2-null, Raptor mutant;Tsc2-null, and Ampk-null
Contributors : Jeanine L Van Nostrand ; Reuben J Shaw ; Kristina Hellberg ; En-Ching Luo ; Eric L Van Nostrand ; Alina Dayn ; Jingting Yu ; Maxim N Shokhirev ; Yelena Dayn ; Gene W YeoSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusDespite being the frontline therapy for Type 2 diabetes, the mechanisms of action of the biguanide drug metformin are still being discovered. In particular, the detailed molecular interplays between the AMPK and the mTORC1 pathway in the hepatic benefits of metformin are still ill-defined. Metformin-dependent activation of AMPK classically inhibits mTORC1 v...
Source: GEO: Gene Expression Omnibus - August 10, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Mus musculus Source Type: research
Ability of metformin to deplete NAD+ contributes to cancer cell susceptibility to metformin cytotoxicity and is dependent on NAMPT expression
ConclusionsDepletion of cellular NAD+ is a key aspect of sensitivity of cancer cells to the cytotoxic effects of metformin. NAMPT plays a key role in maintaining sufficient levels of NAD+, and cells that express elevated levels of NAMPT are resistant to killing by metformin.
Source: Frontiers in Oncology - July 31, 2023 Category: Cancer & Oncology Source Type: research
