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Total 445 results found since Jan 2013.

Schisanhenol Attenuates OxLDL-Induced Endothelial Dysfunction via an AMPK-Dependent Mechanism
In this study, human umbilical vein endothelial cells (HUVECs) were pre-treated with SAL and oxLDL. Our results showed that adenosine monophosphate-activated protein kinase (AMPK) phosphorylation was enhanced in cells pre-treated with SAL in time-dependent and dose-dependent manners. Subsequently, oxLDL-induced AMPK dephosphorylation and protein kinase C (PKC) phosphorylation were significantly reversed in the presence of SAL. In addition, SAL treatment led to an inhibiting effect on the oxLDL-induced membrane assembly of NADPH oxidase subunits, and a similar effect was observed in ROS generation. This effect was further c...
Source: The American Journal of Chinese Medicine - July 30, 2023 Category: Complementary Medicine Authors: Tsan-Hung Chiu Chang-Wen Ku Tsung-Jung Ho Kun-Ling Tsai Wei-Ching Hsu Yu-An Chen Hsiu-Chung Ou Hsiu-I Chen Source Type: research

Evaluation of an Integrin α < sub > v < /sub > β < sub > 3 < /sub > Radiotracer, < sup > 18 < /sup > FF-FPP-RGD < sub > 2 < /sub > , for Monitoring Pharmacological Effects of Integrin α < sub > v < /sub > siRNA in the NASH Liver
CONCLUSION: This study suggests that [18F]F-FPP-RGD2 PET imaging is a promising radiotracer for monitoring hepatic integrin αv protein levels and hepatic function in NASH pathology.PMID:37483876 | PMC:PMC10359219 | DOI:10.1007/s13139-023-00791-9
Source: Molecular Medicine - July 24, 2023 Category: Molecular Biology Authors: Shuichi Hiroyama Keiko Matsunaga Miwa Ito Hitoshi Iimori Ippei Morita Jun Nakamura Eku Shimosegawa Kohji Abe Source Type: research

Role of Lipoprotein(a) in Atherosclerotic Cardiovascular Disease: A Review of Current and Emerging Therapies
AbstractLipoprotein(a), or Lp(a), is structurally like low-density lipoprotein (LDL) but differs in that it contains glycoprotein apolipoprotein(a) [apo(a)]. Due to its prothrombotic and proinflammatory properties, Lp(a) is an independent risk factor for atherosclerotic cardiovascular disease (ASCVD) and aortic valve stenosis. Lp(a) levels are genetically determined, and it is estimated that 20-25% of the global population has an Lp(a) level ≥50 mg/dL (or ≥125 nmol/L). Diet and lifestyle interventions have little to no effect on Lp(a) levels. Lipoprotein apheresis is the only approved treatment for elevated Lp(a) but i...
Source: Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy - July 19, 2023 Category: Drugs & Pharmacology Authors: Ibrahim S. Alhomoud, Azita Talasaz, Anurag Mehta, Michael Kelly, Evan M. Sisson, John D. Bucheit, Roy Brown, Dave L. Dixon Tags: REVIEW Source Type: research

Glucose-stimulated insulin secretion depends on FFA1 and Gq in neonatal mouse islets
Conclusions/interpretationFFA1 promotes glucose-responsive insulin secretion and functional maturation of newborn islets and is required for adaptive offspring insulin secretion in the face of metabolic challenge, such as parental HFD.Graphical Abstract
Source: Diabetologia - July 3, 2023 Category: Endocrinology Source Type: research

Alginate-based drug carrier systems to target inflammatory bowel disease: A review
Int J Biol Macromol. 2023 Jun 17:125472. doi: 10.1016/j.ijbiomac.2023.125472. Online ahead of print.ABSTRACTInflammatory bowel disease (IBD) is an inflammatory disorder that affects the gastrointestinal tract. IBD has become an increasingly common condition in both developed and developing nations over the last few decades, owing to a variety of factors like a rising population and diets packed with processed and junk foods. While the root pathophysiology of IBD is unknown, treatments are focused on medications aimed to mitigate symptoms. Alginate (AG), a marine-derived polysaccharide, is extensively studied for its biocom...
Source: International Journal of Biological Macromolecules - June 19, 2023 Category: Biochemistry Authors: Dinakar Swastha Nambolan Varsha Suresh Aravind Kavassery Balasubramanian Samyuktha Muruganandam Mohaneswari Yokesh Akshad Balde Bakthavatchalam Loganathan Ayilya Soottawat Benjakul Se-Kwon Kim Rasool Abdul Nazeer Source Type: research

Liraglutide ameliorates hepatic steatosis via retinoic acid receptor ‐related orphan receptor α‐mediated autophagy pathway
AbstractLiraglutide, an analog of human glucagon-like peptide-1 (GLP-1), has been found to improve hepatic steatosis in clinical practice. However, the underlying mechanism remains to be fully defined. Increasing evidence suggests that retinoic acid receptor-related orphan receptor α (RORα) is involved in hepatic lipid accumulation. In the current study, we investigated whether the ameliorating impact of liraglutide on lipid-induced hepatic steatosis is dependent on RORα activity and examined the underlying mechanisms. Cre-loxP-mediated, liver-specificRor α knockout (Rora LKO) mice, and littermate controls with aRoralo...
Source: IUBMB Life - June 14, 2023 Category: Research Authors: Xiaoqian Yu, Xiaoqi Bian, Hongmei Zhang, Shanshan Yang, Daxin Cui, Zhiguang Su Tags: RESEARCH ARTICLE Source Type: research

GP73 enhances the ox-LDL-induced inflammatory response in THP-1 derived macrophages via affecting NLRP3 inflammasome signaling
CONCLUSIONS: We demonstrated that GP73 promoted the ox-LDL-induced inflammation in macrophages by affecting the NF-κB/NLRP3 inflammasome signaling, and may play a role in atherosclerosis.PMID:37271284 | DOI:10.1016/j.ijcard.2023.05.059
Source: Atherosclerosis - June 4, 2023 Category: Cardiology Authors: Yi-Fen Lin Miao-Hong Li Ri-Hua Huang Shao-Zhao Zhang Xing-Feng Xu Hui-Min Zhou Meng-Hui Liu Xin-Xue Liao Li-Zhen Liao Yue Guo Xiao-Dong Zhuang Source Type: research

AMPK negatively regulates RANKL-induced osteoclast differentiation by controlling oxidative stress
This study aimed to clarify the mechanistic connection between AMPK and osteoclast differentiation, and the potential role of AMPK in the anti-resorptive effects of several phytochemicals. We found that receptor activator of nuclear factor-kappa B (NF-κB) ligand (RANKL)-induced osteoclast differentiation, osteoclastic gene expression, and activation of mitogen-activated protein kinase (MAPK) and NF-κB were promoted in cells transfected with AMPK siRNA. AMPK knockdown led to defective synthesis of heme oxygenase-1, an antioxidant enzyme, and the upstream mediator, nuclear factor erythroid-2-related factor 2. Furthermore, ...
Source: Free Radical Biology and Medicine - June 3, 2023 Category: Biology Authors: Miori Tanaka Hirofumi Inoue Nobuyuki Takahashi Mariko Uehara Source Type: research

Endothelial PHACTR1 Promotes Endothelial Activation and Atherosclerosis by Repressing PPAR γ Activity Under Disturbed Flow in Mice
CONCLUSIONS: Our results identified endothelial PHACTR1 as a novel PPARγ corepressor to promote atherosclerosis in disturbed flow regions. Endothelial PHACTR1 is a potential therapeutic target for atherosclerosis treatment.PMID:37199156 | DOI:10.1161/ATVBAHA.122.318173
Source: Atherosclerosis - May 18, 2023 Category: Cardiology Authors: Dongyang Jiang Hao Liu Guofu Zhu Xiankai Li Linlin Fan Faxue Zhao Chong Xu Shumin Wang Yara Rose Jordan Rhen Ze Yu Yiheng Yin Yuling Gu Xiangbin Xu Edward A Fisher Junbo Ge Yawei Xu Jinjiang Pang Source Type: research