Category Archives: Cardiovascular

Sigma-1 receptor-regulated efferocytosis by infiltrating circulating macrophages/microglial cells protects against neuronal impairments and promotes functional recovery in cerebral ischemic stroke

Sigma-1 receptor-regulated efferocytosis by infiltrating circulating macrophages/microglial cells protects against neuronal impairments and promotes functional recovery in cerebral ischemic stroke

By Gufang Zhang, Qi Li, Weijie Tao, Pingping Qin, Jiali Chen, Huicui Yang, Jiaojiao Chen, Hua Liu, Qijun Dai, and Xuechu Zhen Excerpt from the article published in Theranostics. 2023 Jan 1;13(2):543-559. DOI: 10.7150/thno.77088. PMID: 36632219; PMCID: PMC9830433. Editor’s Highlights Abstract Background: Efferocytosis of apoptotic neurons by macrophages is essential for the resolution of inflammation and […]

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Sigma-1 receptor is involved in modification of ER-mitochondria proximity and Ca2+ homeostasis in cardiomyocytes

Sigma-1 receptor is involved in modification of ER-mitochondria proximity and Ca2+ homeostasis in cardiomyocytes

By Hideaki Tagashira, Md. Shenuarin Bhuiyan, Yasuharu Shinoda, Ichiro Kawahata, Tomohiro Numata, and Kohji Fukunaga Introduction to the article published in Journal of Pharmacological Sciences, December 10, 2022, ISSN 1347-8613, DOI: https://doi.org/10.1016/j.jphs.2022.12.005. Editor’s Highlights Abstract The Sigma-1 receptor (Sigmar1) is downregulated in heart failure model mice with mitochondrial dysfunction. However, the mechanism in detail has […]

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Retinal Photoreceptor Protection in an AMD-Related Mouse Model by Selective Sigma-1 or Sigma-2 Receptor Modulation

Retinal Photoreceptor Protection in an AMD-Related Mouse Model by Selective Sigma-1 or Sigma-2 Receptor Modulation

By Timur A. Mavlyutov, Jing Li, Xinying Liu, Hongtao Shen, Huan Yang, Christopher R. McCurdy, Bikash Pattnaik, and Lian-Wang Guo Excerpt from the article published in Genes 13(12):2386, 16 December 2022, DOI: https://doi.org/10.3390/genes13122386 Editor’s Highlights Abstract The structurally and genetically distinct sigma-1 receptor (S1R) and sigma-2 receptor (S2R) comprise a unique class of drug binding […]

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σ2R/TMEM97 in retinal ganglion cell degeneration

σ2R/TMEM97 in retinal ganglion cell degeneration

By Hua Wang, Zhiyou Peng, Yiwen Li, James J. Sahn, Timothy R. Hodges, Tsung-Han Chou, Qiong Liu, Xuezhi Zhou, Shuliang Jiao, Vittorio Porciatti, Daniel J. Liebl, Stephen F. Martin, and Rong Wen Excerpt from the article published in Scientific Reports 12, 20753, 01 December 2022, DOI: https://doi.org/10.1038/s41598-022-24537-3 Editor’s Highlights Abstract The sigma 2 receptor (σ2R) […]

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Sigma-1 receptor agonist, (+)-pentazocine, is neuroprotective in a Brown Norway rat microbead model of glaucoma

Sigma-1 receptor agonist, (+)-pentazocine, is neuroprotective in a Brown Norway rat microbead model of glaucoma

By Barbara A. Mysona, Jing Zhao, Oceane De Greef, August Beisel, Parth A. Patel, Lindsay Berman, Sylvia B. Smith, and Kathryn Bollinger Excerpt from the article published in Experimental Eye Research,  15 November 2022, 109308, ISSN 0014-4835, DOI: https://doi.org/10.1016/j.exer.2022.109308. Abstract Purpose: Glaucoma is a worldwide leading cause of irreversible blindness. Standard treatments lower intraocular pressure […]

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The Role of the Sigma-2 Receptor in Myocardial Ischemia-Reperfusion Injury

The Role of the Sigma-2 Receptor in Myocardial Ischemia-Reperfusion Injury

By Radhika Rastogi, Jing Li, Katherine Marsh, Aimee Zhang, Lian-Wang Guo, and Zequan Yang Abstract published in ACUTE CORONARY SYNDROMES, SESSION TITLE: VULNERABILITY AND CONSEQUENCE IN ACS, 30 Oct 2022 Circulation. 2022;146:A14321 Abstract Introduction: Pharmacological studies have identified two subtypes of sigma receptors, which are now known to be encoded by different genes. Activation of the […]

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Mitochondria-Associated Endoplasmic Reticulum Membranes: Inextricably Linked with Autophagy Process

Mitochondria-Associated Endoplasmic Reticulum Membranes: Inextricably Linked with Autophagy Process

By Chonghao Ji, Zhanwei Zhang, Zechuan Li, Xiao She, Xiaoya Wang, Binyang Li, Xin Xu, Dawei Song, and Dongjiao Zhang Excerpt from the article published in Oxidative Medicine and Cellular Longevity (Hindawi), Volume 2022, 23 Aug 2022, Article ID 7086807, DOI: https://doi.org/10.1155/2022/7086807 Editor’s Highlights There is a growing body of evidence indicating Mitochondria-associated membranes (MAMs) act as […]

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Activation of the sigma-1 receptor exerts cardioprotection in a rodent model of chronic heart failure by stimulation of angiogenesis

Activation of the sigma-1 receptor exerts cardioprotection in a rodent model of chronic heart failure by stimulation of angiogenesis

By Xin Zhao, Xin Liu, Xiuhuan Chen, Xueyu Han, Yazhou Sun, Yuhong Fo, Xiukun Wang, Chuan Qu, and Bo Yang Excerpt from the article published in Molecular Medicine volume 28, Article number: 87, 03 August 2022, DOI: https://doi.org/10.1186/s10020-022-00517-1 Editor’s Highlights With the increase of global aging population, the incidence of Heart Failure (HF) has increased […]

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Sigma-1 Receptor in Retina: Neuroprotective Effects and Potential Mechanisms

Sigma-1 Receptor in Retina: Neuroprotective Effects and Potential Mechanisms

By Zifen Xu, Yushuang Lei, Huan Qin, Shiyao Zhang, Ping Li, and Kai Yao Excerpt from the article published in International Journal of Molecular Sciences 23, no. 14: 7572. Published: 8 July 2022, DOI: https://doi.org/10.3390/ijms23147572 Editor’s Highlights The sigma-1 receptor is widely expressed in several organs, such as endocrine, immune, and reproductive tissues, the liver, kidney, […]

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