Sigma-1 Receptor Signaling: In Search of New Therapeutic Alternatives for Cardiovascular and Renal Diseases
By Francisco Javier Munguia-Galaviz, Alejandra Guillermina Miranda-Diaz, Miguel Alejandro Cardenas-Sosa, and Raquel Echavarria Excerpt from the article published in the International Journal of Molecular Sciences. 19 January 2023; 24(3):1997. DOI: https://doi.org/10.3390/ijms24031997 Editor’s Hihghlights Abstract Cardiovascular and renal diseases are among the leading causes of death worldwide, and regardless of current efforts, there is a demanding […]
Continue ReadingOverview of Sigma-1R Subcellular Specific Biological Functions and Role in Neuroprotection
By Véronik Lachance, Sara-Maude Bélanger, Célia Hay, Victoria Le Corvec, Vina Banouvong, Mathieu Lapalme, Khadija Tarmoun, Guillaume Beaucaire, Marc P. Lussier, and Saïd Kourrich Excerpt from the article published in the International Journal of Molecular Sciences. 19 January 2023; 24(3):1971. DOI: https://doi.org/10.3390/ijms24031971 Editor’s Highlights Abstract For the past several years, fundamental research on Sigma-1R (S1R) […]
Continue ReadingChaperone-Dependent Mechanisms as a Pharmacological Target for Neuroprotection
By Mikhail V. Voronin, Elena V. Abramova, Ekaterina R. Verbovaya, Yulia V. Vakhitova, and Sergei B. Seredenin Excerpt from the article published in International Journal of Molecular Sciences 24, no. 1: 823. 3 January 2023, DOI: https://doi.org/10.3390/ijms24010823 Editor’s Highlights Abstract Modern pharmacotherapy of neurodegenerative diseases is predominantly symptomatic and does not allow vicious circles causing disease […]
Continue ReadingSigma-1 Receptor Activation Improves Oligodendrogenesis and Promotes White-Matter Integrity after Stroke in Mice with Diabetic Mellitus
By Wenjing Song, Yang Yao, Heling Zhang, Xin Hao, Liping Zhou, Zhixiao Song, Tiantian Wei, Tianyan Chi, Peng Liu, Xuefei Ji, and Libo Zou Excerpt from the article published in Molecules 2023, 28(1), 390; 2 January 2023; DOI: https://doi.org/10.3390/molecules28010390 Editor’s Highlights Abstract Diabetes mellitus (DM) is a major risk factor for stroke and exacerbates white-matter damage in […]
Continue ReadingSigma-1 Receptor as a Protective Factor for Diabetes-Associated Cognitive Dysfunction via Regulating Astrocytic Endoplasmic Reticulum-Mitochondrion Contact and Endoplasmic Reticulum Stress
By Mengyu Du, Tao Jiang, Shuxuan He Bo Cheng, Xin Zhang, Liya Li, Lan Yang, Wei Gao, Yansong Li, and Qiang Wang Excerpt from the article published in Cells 2023, 12(1), 197; 3 January 2023, DOI: https://doi.org/10.3390/cells12010197 Editor’s Highlights Abstract The prevalence of diabetes-associated cognitive dysfunction (DACD) has increased to 13.5%. Dementia, as the most severe DACD, […]
Continue ReadingSigma-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 […]
Continue ReadingαN-Acetyl β-Endorphin Is an Endogenous Ligand of σ1Rs That Regulates Mu-Opioid Receptor Signaling by Exchanging G Proteins for σ2Rs in σ1R Oligomers
By Javier Garzón-Niño, Elsa Cortés-Montero, María Rodríguez-Muñoz, and Pilar Sánchez-Blázquez Excerpt from the article published in the International Journal of Molecular Sciences. 2023; 24(1):582, 29 December 2022, DOI: https://doi.org/10.3390/ijms24010582 Editor’s Highlights Abstract The opioid peptide β-endorphin coexists in the pituitary and brain in its αN-acetylated form, which does not bind to opioid receptors. We now report […]
Continue ReadingSigma-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 […]
Continue ReadingMitochondria in Huntington’s disease: implications in pathogenesis and mitochondrial-targeted therapeutic strategies
By Ana Maria Jurcau, and Carolina Maria Jurcau Excerpt from the article published in Neural Regeneration Research 18(7):p 1472-1477, July 2023. | DOI: 10.4103/1673-5374.360289 Editor’s Highlights Abstract Huntington’s disease is a genetic disease caused by expanded CAG repeats on exon 1 of the huntingtin gene located on chromosome 4. Compelling evidence implicates impaired mitochondrial energetics, […]
Continue ReadingRetinal 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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