{"title":"hsa_circ_0000047 targeting miR-6720-5p/CYB5R2 axis alleviates inflammation and angiogenesis in diabetic retinopathy.","authors":"Lin Liao, Jinpeng Chen, Sheng Peng","doi":"10.1080/13813455.2023.2190055","DOIUrl":"10.1080/13813455.2023.2190055","url":null,"abstract":"<p><p><b>Context:</b> Diabetic retinopathy (DR) is a common complication of diabetes mellitus (DM). Circular RNAs (circRNAs) act as key regulators of DR development by regulating inflammation and angiogenesis.<b>Objective:</b> This study aimed to elucidate the function and mechanism of hsa_circ_0000047 in DR.<b>Materials and methods:</b> High glucose (HG) was used to induce human retinal microvascular endothelial cells (hRMECs) to construct a DR model in vitro. Qualitative real-time polymerase chain reaction (qRT-PCR) or western blotting were used to detected the levels of hsa_circ_0000047, miR-6720-5p, and CYB5R2 in DR and HG-indeced hRMECs. Cell functional experiments were performed to detect the change of viability, inflammation, migration, invasion, and angiogenesis of HG-induced hRMECs. Besides, the correlation between miR-6720-5p and hsa_circ_0000047/CYB5R2 was confirmed by luciferase assay and Pearson correlation analysis.<b>Results:</b> hsa_circ_0000047 and CYB5R2 were downregulated in DR, whereas miR-6720-5p was upregulated in DR. Cell functional experiments showed that hsa_circ_0000047 overexpression restrained viability, inflammation, migration, invasion, and angiogenesis of HG-induced hRMECs. Regarding mechanism, hsa_circ_0000047 could sponge miR-6720-5p to regulate CYB5R2 expression in hRMECs. Additionally, CYB5R2 knockdown reversed the effects of hsa_circ_0000047 overexpression on HG-induced hRMECs.<b>Conclusion:</b> Our study revealed that hsa_circ_0000047 alleviated inflammation and angiogenesis in HG-induced hRMECs by targeting the miR-6720-5p/CYB5R2 axis, which may be a novel biomarker for DR therapy.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9174916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Silencing of dopamine receptor D5 inhibits the browning of 3T3-L1 adipocytes and ATP-consuming futile cycles in C2C12 muscle cells.","authors":"Kiros Haddish, Jong Won Yun","doi":"10.1080/13813455.2023.2206983","DOIUrl":"10.1080/13813455.2023.2206983","url":null,"abstract":"<p><strong>Background: </strong>As a part of the catecholamines, dopamine receptors (DRs) have not been extensively studied like β3-AR in the thermogenesis process. The present study investigates the effect of DRD5 in browning events and ATP-consuming futile cycles.</p><p><strong>Methods: </strong>siRNA technology, qPCR, immunoblot analysis, immunofluorescence, and staining methods were used to investigate the effect of DRD5 on 3T3-L1 and C2C12 cells.</p><p><strong>Results: </strong>si<i>Ddr5</i> increased lipogenesis-associated effectors, and adipogenesis markers while reducing the expression of beige fat effectors. ATP-consuming futile cycle markers were also reduced following the si<i>Drd5</i>. On the contrary, pharmacological activation of DRD5 stimulated these effectors. Our mechanistic studies elucidated that DRD5 mediates fat browning <i>via</i> the cAMP-PKA-p38 MAPK signalling pathway in 3T3-L1 cells as well as the cAMP-SERCA-RyR pathway for the ATP-consuming futile cycles in both cells.</p><p><strong>Conclusions: </strong>si<i>Drd5</i> positively regulates browning and ATP-consuming futile cycles, and understanding its functions will provide insights into novel strategies to treat obesity.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9758020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seyyedeh Mina Hejazian, Yalda Rahbar Saadat, Seyed Mahdi Hosseiniyan Khatibi, Farahnoosh Farnood, Negin Farzamikia, Seyyed Sina Hejazian, Sepideh Batoumchi, Mohammadali M Shoja, Sepideh Zununi Vahed, Mohammadreza Ardalan
{"title":"Circular RNAs as novel biomarkers in glomerular diseases.","authors":"Seyyedeh Mina Hejazian, Yalda Rahbar Saadat, Seyed Mahdi Hosseiniyan Khatibi, Farahnoosh Farnood, Negin Farzamikia, Seyyed Sina Hejazian, Sepideh Batoumchi, Mohammadali M Shoja, Sepideh Zununi Vahed, Mohammadreza Ardalan","doi":"10.1080/13813455.2023.2212328","DOIUrl":"10.1080/13813455.2023.2212328","url":null,"abstract":"<p><p>Circular RNAs (circRNAs) regulate gene expression and biological procedures by controlling target genes or downstream pathways by sponging their related miRNA (s). Three types of circRNAs have been identified; exonic circRNAs (ecircRNAs), intronic RNAs (ciRNAs), and exon-intron circRNAs (ElciRNAs). It is clarified that altered levels of circRNAs have dynamic pathological and physiological functions in kidney diseases. Evidence suggests that circRNAs can be considered novel diagnostic biomarkers and therapeutic targets for renal diseases. Glomerulonephritis (GN) is a general term used to refer to a wide range of glomerular diseases. GN is an important cause of chronic kidney diseases. Here, we review the biogenesis of circRNAs, and their molecular and physiological functions in the kidney. Moreover, the dysregulated expression of circRNAs and their biological functions are discussed in primary and secondary glomerulonephritis. Moreover, diagnostic and therapeutic values of circRNAs in distinguishing or treating different types of GN are highlighted.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9481344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mingyuan Liu, Zhaoxia Li, Huiqin Zhang, Tingting Cao, Xueyan Feng, Xi Wang, Zhixue Wang
{"title":"Inhibition of BMP4 alleviates diabetic retinal vascular dysfunction via the VEGF and smad1/5 signalling.","authors":"Mingyuan Liu, Zhaoxia Li, Huiqin Zhang, Tingting Cao, Xueyan Feng, Xi Wang, Zhixue Wang","doi":"10.1080/13813455.2023.2190054","DOIUrl":"10.1080/13813455.2023.2190054","url":null,"abstract":"<p><p><b>Objective</b>:The aim of our study was to determine the molecular mechanism of BMP4 (bone morphogenetic protein 4) in DR (diabetic retinopathy).<b>Methods</b>: Human retinal endothelial cell (HRECs) induced by high glucose to simulate one of the pathogenesis in the diabetic retinopathy (DR) model. RT-qPCR and western blot were used to detect the mRNA and protein levels of BMP4 in the STZ/HG group. Flow cytometry and TUNEL staining were performed to detect the apoptosis. Angiogenesis was evaluated by tube formation assay. Transwell assay and wound healing assay were used to detect cell migration ability. H&E staining was used to evaluate the pathological changes.<b>Results</b>: BMP4 was significantly upregulated in the STZ/HG group. Sh-BMP4 significantly inhibited the migration and angiogenesis of RVECs induced by HG. In addition, both in vivo and in vitro experiments confirmed that sh-BMP4 could significantly promote RVECs apoptosis in the HG/STZ group. Western blot results showed that sh-BMP4 could down-regulate the expressions of p-smad1, p-smad5 and VEGF.<b>Conclusions</b>: Inhibition of BMP4 could alleviate the damage of diabetic retinopathy by regulating the p-smad1/5/VEGF signaling axis, inhibiting angiogenesis and promoting apoptosis.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9752371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular pathology and therapeutics of the diabetic foot ulcer; comprehensive reviews.","authors":"Mansi Patel, Vaibhav Patel, Umang Shah, Alkeshkumar Patel","doi":"10.1080/13813455.2023.2219863","DOIUrl":"10.1080/13813455.2023.2219863","url":null,"abstract":"<p><p>Diabetes mellitus (DM) is a chronic metabolic condition linked to high blood sugar levels. Diabetes causes complications like neuropathy, nephropathy, and retinopathy. Diabetes foot ulcer (DFU) is a significant and serious wound healing issue resulting from uncontrolled DM. The main causes of the development of the DFU are oxidative stress brought on by the NO moiety, release of pro-inflammatory cytokines like tumour necrosis factor (TNF)-α and interleukin (IL-1), cellular dysfunction, and pathogenic microorganisms including <i>staphylococcus</i> and <i>streptococcus species</i>. The two main types of wounds that are prevalent in DFU patients are neuropathic and neuroischemic. If this wound is not properly treated or cared for, a lower limb may have to be amputated. There are several therapy options for DFU, including antibiotics, debridement, dressings, nano formulations, and growth factor preparations like PDGF-BB, to help the wound heal and prevent amputation. Other novel approaches involved the use of nerve taps, microneedle patches, nanotechnology-based formulations and stem cell applications to promote healing. There are possibilities of drug repurposing for the DFU treatment based on targeting specific enzymes. This article summarises the current pathophysiological aspects of DFU and its probable future targets.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9600610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Glypican-3 knockdown inhibits the cell growth, stemness, and glycolysis development of hepatocellular carcinoma cells under hypoxic microenvironment through lactylation.","authors":"Gebing Yao, Zihua Yang","doi":"10.1080/13813455.2023.2206982","DOIUrl":"10.1080/13813455.2023.2206982","url":null,"abstract":"<p><strong>Context: </strong>Hepatocellular carcinoma (HCC) is a common malignant tumour in China. Glypican-3 (GPC3) is reported to be closely related to the occurrence and development of various tumours.</p><p><strong>Objective: </strong>This study aimed to explore the role of GPC3 in HCC.</p><p><strong>Materials and methods: </strong>The cell behaviours were investigated using Cell Counting Kit-8 (CCK-8), Traswell, and sphere formation assays. The protein and mRNA expression levels were detected using western blot and Real-Time Quantitative Polymerase Chain Reaction (RT-qPCR) assays.</p><p><strong>Results: </strong>The results showed that GPC3 knockdown decreased the cell viability and stemness, glucose uptake, lactate production, and extracellular acidification rate (ECAR), while increased the oxygen consumption rate (OCR) in hypoxia-treated HCC cells. Additionally, GPC3 knockdown decreased the global lactylation and c-myc lactylation, which further decreased the protein stability and expressions of c-myc.</p><p><strong>Discussion and conclusion: </strong>GPC3-mediated lactylation modification may be a new direction in HCC treatment in the future.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9752792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiaoqiang Wu, Xiangyong Tian, Guanghui Cao, Zhiwei Wang, Xuan Wu, Yue Gu, Tianzhong Yan
{"title":"Distinct profiles of bile acid metabolism caused by gut microbiota in kidney transplantation recipients revealed by 16S rRNA gene sequencing.","authors":"Xiaoqiang Wu, Xiangyong Tian, Guanghui Cao, Zhiwei Wang, Xuan Wu, Yue Gu, Tianzhong Yan","doi":"10.1080/13813455.2023.2212331","DOIUrl":"10.1080/13813455.2023.2212331","url":null,"abstract":"<p><p>The present study sought to characterise the gut microbiota of subjects with kidney transplantation and healthy control to identify the distinct gut microbiota and analyse their potential function. We found that gut microbiota abundance had significant differences in subjects between the two groups. Line Discriminant Analysis (LDA) Effect Size (LEfSe) analysis showed that the bacterial taxa were differentially represented between the two groups, and the potential biomarkers at different taxonomic levels in kidney transplant recipients were <i>Streptococcus</i>, <i>Enterococcaceae,</i> and <i>Ruminococcus</i>. Phylogenetic investigation of communities by reconstruction of unobserved states (PICRUSt) Functional Inference analyses suggested that the difference in gut microbiota between the two groups was correlated with bile acid metabolism. In conclusion, gut microbiota abundance is different between the two groups, which is related to bile acid metabolism, and may influence the metabolic homeostasis of allograft recipients.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9488001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Huaiqihuang (HQH) protects podocytes from high glucose-induced apoptosis and inflammation response by regulating PI3K/AKT/mTOR pathway.","authors":"Peipei Zhang, Zhilong Liu, Guiqiao Ma, Junwei Wang, Jing Shao, Chaojing Ma, Liping Wang, Chanjuan Ma","doi":"10.1080/13813455.2024.2407552","DOIUrl":"https://doi.org/10.1080/13813455.2024.2407552","url":null,"abstract":"<p><p>Diabetic kidney disease (DKD) is one of the common microvascular complications of diabetes, and there are still lack of effective treatments. Huaiqihuang (HQH) is a kind of traditional Chinese medicine mixed preparation, which is mainly made of Trametes robiniophila Murr, Fructus Lycii, and Polygonatum sibiricumhas. It has been shown to be effective in the treatment of DKD, but the specific mechanism has not been fully elucidated. Our results showed that HQH increased the protein expressions of synaptopodin, podocin, WT-1, and Bcl-2, decreased the protein expressions of Bax and cleaved-casepase-3, and activated the NF-ĸB and PI3K/AKT/mTOR pathway in MPC5 cells exposed to high-glucose (HG). Real-time PCR results showed that HQH reduced the mRNA expression of TNF-α, IL-1β, MCP-1, and IL-6. In conclusion, our results showed that HQH may attenuate podocyte injury by inhibiting MPC5 cell apoptosis induced by HG and NF-κB-mediated inflammation response through activation of the PI3K/AKT/mTOR pathway.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142340142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuanrui Wang, Xiaochao Chen, Yongfeng Chen, Qiang Sun, Huayi Wang
{"title":"Regulatory effect and mechanism of CircSEC24A in IL-1β-induced osteoarthritis.","authors":"Yuanrui Wang, Xiaochao Chen, Yongfeng Chen, Qiang Sun, Huayi Wang","doi":"10.1080/13813455.2024.2404975","DOIUrl":"https://doi.org/10.1080/13813455.2024.2404975","url":null,"abstract":"<p><p>Osteoarthritis (OA) is a chronic joint disease characterized by articular cartilage degeneration and damage. Increasing circular RNAs (circRNAs) have been identified to participate in the pathogenesis of OA. Hsa_circ_0128006 (also known as circSEC24) was reported as an upregulated circRNA in OA tissues, but its biological role and underlying mechanism in OA are still to be discussed. circSEC24A and NAMPT expression levels were upregulated, and miR-515-5p was reduced in OA cartilage tissues and IL-1β-treated CHON-001 cells. The absence of circSEC24A overturned IL-1β-induced suppression of cell viability and promotion of oxidative stress, apoptosis, extracellular matrix (ECM) degradation, and inflammation in CHON-001 cells. Mechanistically, circSEC24A acted as a molecular sponge for miR-515-5p to affect NAMPT expression. CircSEC24A knockdown could attenuate IL-1β-triggered CHON-001 cell injury partly via the miR-515-5p/NAMPT axis, providing new insight into the underlying application of circSEC24A in OA treatment.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142340143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ozlem Ergul Erkec, Zubeyir Huyut, Eda Acikgoz, Mehmet Tahir Huyut
{"title":"Effects of exogenous ghrelin treatment on oxidative stress, inflammation and histological parameters in a fat-fed streptozotocin rat model.","authors":"Ozlem Ergul Erkec, Zubeyir Huyut, Eda Acikgoz, Mehmet Tahir Huyut","doi":"10.1080/13813455.2024.2407551","DOIUrl":"https://doi.org/10.1080/13813455.2024.2407551","url":null,"abstract":"<p><p>In this study, the anti-inflammatory, antioxidative, and protective effects of ghrelin were investigated in a fat-fed streptozotocin (STZ) rat model and compared with metformin, diabetes and the healthy control groups. Histopathological evaluations were performed on H&E-stained pancreas and brain sections. Biochemical parameters were investigated by enzyme-linked immunosorbent assay. Blood glucose levels were significantly decreased with ghrelin or metformin treatments than the diabetes group. STZ administration increased brain, renal and pancreatic IL-1β, TNF-α and MDA while decreasing GPX, CAT, SOD, and NGF levels. Ghrelin increased renal GPX, CAT, NGF pancreatic GPX, SOD, CAT, NGF and brain SOD, NGF while it decreased renal, pancreatic and brain IL-1β, TNF-α and MDA levels. Ghrelin reduced neuronal loss and degeneration in the cerebral cortex and hippocampus and greatly ameliorated diabetes-related damage in pancreas. In conclusion, the data suggested that ghrelin is an effective candidate as a protectant for reducing the adverse effects of diabetes.</p>","PeriodicalId":8331,"journal":{"name":"Archives of Physiology and Biochemistry","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142340141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}