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Reversal of dual epigenetic repression of non-canonical Wnt-5a normalises diabetic corneal epithelial wound healing and stem cells
Conclusions/interpretationWe provide the first account of epigenetic changes in diabetic corneas including dual inhibition ofWNT5A by DNA methylation and miRNA action. Overall, Wnt-5a is a new corneal epithelial wound healing stimulator that can be targeted to improve wound healing and stem cells in the diabetic cornea.Data availabilityThe DNA methylation dataset is available from the public GEO repository under accession no. GSE229328 (https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE229328).Graphical Abstract
Source: Diabetologia - September 3, 2023 Category: Endocrinology Source Type: research
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
Ginsenoside Rd attenuates myocardial ischemia injury through improving mitochondrial biogenesis via WNT5A/Ca < sup > 2+ < /sup > pathways
Eur J Pharmacol. 2023 Sep 1;957:176044. doi: 10.1016/j.ejphar.2023.176044. Online ahead of print.ABSTRACTGinsenoside Rd, one of the main active components in ginseng, exerts various biological activities. However, its effectiveness on myocardial ischemia injury and its potential mechanism need further clarification. The model of isoproterenol (ISO)-induced myocardial ischemia injury (MI) mice and cobalt chloride (CoCl2)-induced cardiomyocytes injury were performed. Ginsenoside Rd significantly alleviated MI injury, as evidenced by ameliorated cardiac pathological features and improved cardiac function. Simultaneously, gins...
Source: European Journal of Pharmacology - September 3, 2023 Category: Drugs & Pharmacology Authors: Zekun Cui Lifei Gu Tao Liu Yining Liu Boyang Yu Junping Kou Fang Li Kun Yang Source Type: research
ASIC1a-CMPK2-mediated M1 macrophage polarization exacerbates chondrocyte senescence in osteoarthritis through IL-18
CONCLUSION: These results demonstrate a novel pathogenic process that results in OA cartilage damage, in which M1 macrophage derived IL-18 induces articular chondrocytes senescence. Further, the ASIC1a-CMPK2 axis was shown to positively regulate M1 macrophage polarization. Hence, ASIC1a is a promising treatment target for M1 macrophage-mediated diseases, such as OA.PMID:37660594 | DOI:10.1016/j.intimp.2023.110878
Source: International Immunopharmacology - September 3, 2023 Category: Allergy & Immunology Authors: Lei Dong Yingjie Zhao Cheng Sun Ziwei Ou Yang Fan Chen Weirong Hu Hailin Zhang Yan Wang Rendi Zhu Yuanzhi Cheng Yong Chen Shufang Li Ke Wang Changhai Ding Renpeng Zhou Wei Hu Source Type: research
Ginsenoside Rd attenuates myocardial ischemia injury through improving mitochondrial biogenesis via WNT5A/Ca < sup > 2+ < /sup > pathways
Eur J Pharmacol. 2023 Sep 1:176044. doi: 10.1016/j.ejphar.2023.176044. Online ahead of print.ABSTRACTGinsenoside Rd, one of the main active components in ginseng, exerts various biological activities. However, its effectiveness on myocardial ischemia injury and its potential mechanism need further clarification. The model of isoproterenol (ISO)-induced myocardial ischemia injury (MI) mice and cobalt chloride (CoCl2)-induced cardiomyocytes injury were performed. Ginsenoside Rd significantly alleviated MI injury, as evidenced by ameliorated cardiac pathological features and improved cardiac function. Simultaneously, ginsenos...
Source: European Journal of Pharmacology - September 3, 2023 Category: Drugs & Pharmacology Authors: Zekun Cui Lifei Gu Tao Liu Yining Liu Boyang Yu Junping Kou Fang Li Kun Yang Source Type: research
Spexin role in human granulosa cells physiology and PCOS: expression and negative impact on steroidogenesis and proliferation
Biol Reprod. 2023 Sep 2:ioad108. doi: 10.1093/biolre/ioad108. Online ahead of print.ABSTRACTSpexin (SPX) is a novel neuropeptide and adipokine negatively correlated with obesity and insulin resistance. A recent study investigated expression and regulatory function of SPX in the hypothalamus and pituitary; however, the effect on ovarian function is still unknown. The aim of this study was to characterize the expression of SPX and its receptors, galanin receptors 2 and 3 (GALR2/3) in the human ovary and to study its in vitro effect on granulosa cells (GC) function. Follicular fluid (FF) and GC were obtained from normal weigh...
Source: Reproductive Biology - September 2, 2023 Category: Reproduction Medicine Authors: Patrycja Kurowska Monika Dawid Julia Oprocha Natalia Repekta Lo ïse Serra Anthony Estienne Piotr Pawlicki Ma łgorzata Kotula-Balak Fabrice Gu érif Joelle Dupont Agnieszka Rak Source Type: research
GSE198359 RNA-seq analysis reveals potential molecular mechanism of RAD54B on cell proliferation of inflamed human dental pulp cells
Conclusions: Gene expression profiles of normal, carious and pulpitis human dental pulp tissues were revealed. HRR components was elucidated to function in dental pulp inflammation. Among HRR DEGs, RAD54B could regulate the cell proliferation of inflamed hDPCs via P53/P21 signaling. This research not only deepens our understanding of dental pulp inflammation but also provides a new insight to clarify the underlying mechanisms.
Source: GEO: Gene Expression Omnibus - September 2, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research
RNF149 confers cisplatin resistance in esophageal squamous cell carcinoma via destabilization of PHLPP2 and activating PI3K/AKT signalling
AbstractChemo-resistance has been identified as a crucial factor contributing to tumor recurrence and a leading cause of worse prognosis in patients with ESCC. Therefore, unravel the critical regulators and effective strategies to overcome drug resistance will have a significant clinical impact on the disease. In our study we found that RNF149 was upregulated in ESCC and high RNF149 expression was associated with poor prognosis with ESCC patients. Functionally, we have demonstrated that overexpression of RNF149 confers CDDP resistance to ESCC; however, inhibition of RNF149 reversed this phenomenon both in vitro and in vivo...
Source: Medical Oncology - September 2, 2023 Category: Cancer & Oncology Source Type: research
SLC26A11 Inhibition Reduces Oncotic Neuronal Death and Attenuates Stroke Reperfusion Injury
In this study, electrophysiological properties of chloride current in primary cultured neurons were characterized using low chloride solution, 4,4 ′-diisothiocyano-2,2′-stilbenedisulfonic acid, and SLC26A11-specific siRNA under physiological conditions or ATP-depleted conditions. In vivo effect of SLC26A11 was evaluated on a rat stroke reperfusion model. We found that SLC26A11 mRNA in primary cultured neurons was upregulated as early as 6 h after oxygen glucose deprivation, and later, the protein level was elevated accordingly. Blockade of SLC26A11 activity could reduce chloride entry and attenuate hypoxia-induced ne...
Source: Molecular Neurobiology - September 1, 2023 Category: Neurology Source Type: research
Reversal of dual epigenetic repression of non-canonical Wnt-5a normalises diabetic corneal epithelial wound healing and stem cells
Conclusions/interpretationWe provide the first account of epigenetic changes in diabetic corneas including dual inhibition ofWNT5A by DNA methylation and miRNA action. Overall, Wnt-5a is a new corneal epithelial wound healing stimulator that can be targeted to improve wound healing and stem cells in the diabetic cornea.Data availabilityThe DNA methylation dataset is available from the public GEO repository under accession no. GSE229328 (https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE229328).Graphical Abstract
Source: Diabetologia - September 1, 2023 Category: Endocrinology Source Type: research
Rutaecarpine ameliorates osteoarthritis by inhibiting PI3K/AKT/NF ‑κB and MAPK signalling transduction through integrin αVβ3
Int J Mol Med. 2023 Oct;52(4):97. doi: 10.3892/ijmm.2023.5300. Epub 2023 Sep 1.ABSTRACTOsteoarthritis (OA) is a chronic progressive articular illness which commonly affects older‑aged adults, presenting with cartilage inflammation and degradation. Rutaecarpine (RUT) has been shown to exert promising anti‑inflammatory effects; however, the efficacy of RUT in the treatment of OA is debatable. The present study investigated the potential of RUT in alleviating OA in a mouse model. Treatment with RUT inhibited the inflammatory response and extracellular matrix degradation by suppressing process regulators in interleukin (...
Source: Molecular Medicine - September 1, 2023 Category: Molecular Biology Authors: Junlai Wan Mengwei Li Xi Yuan Xiaojun Yu Anmin Chen Ming Shao Hao Kang Peng Cheng Source Type: research
Fine particulate matter promotes airway inflammation and mucin production by activating endoplasmic reticulum stress and the IRE1 α/NOD1/NF‑κB pathway
Int J Mol Med. 2023 Oct;52(4):96. doi: 10.3892/ijmm.2023.5299. Epub 2023 Sep 1.ABSTRACTFine particulate matter (PM2.5) is a type of small particle that is <2.5 µm in diameter that may cause airway inflammation. Thus, the present study aimed to explore the effects of PM2.5 on endoplasmic reticulum (ER) stress and airway inflammation in human airway epithelial cells. For this purpose, HBE135‑E6E7 airway epithelial cells were cultured and exposed to specific concentrations of PM2.5 for various periods of time, and cell viability was determined using a Cell Counting Kit‑8 assay. The results of the present study demonst...
Source: International Journal of Molecular Medicine - September 1, 2023 Category: Molecular Biology Authors: Lihua Hu Chaoqun Xu Xiang Tang Shanjun Yu Lijun Wang Qi Li Xiangdong Zhou Source Type: research
Ultrathin SU-8 membrane for highly efficient tunable cell patterning and massively parallel large biomolecular delivery
This study presents a novel and efficient technique that enables massively parallel high throughput cell patterning and precise delivery of small to large biomolecules into patterned cells. The innovative cell patterning device proposed in this study is a standalone, ultrathin 3D SU-8 micro-stencil membrane, with a thickness of 10 μm. It features an array of micro-holes ranging from 40 μm to 80 μm, spaced apart by 50 μm to 150 μm. By culturing cells on top of this SU-8 membrane, the technique achieves highly efficient cell patterns varying from single-cell to cell clusters on a Petri dish. Utilizing this technique, we...
Source: Cancer Control - September 1, 2023 Category: Cancer & Oncology Authors: Pallavi Shinde Ashwini Shinde Srabani Kar Kavitha Illath Moeto Nagai Fan-Gang Tseng Tuhin Subhra Santra Source Type: research
