Molecular Medicine最新文献

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Fetal origin of bronchopulmonary dysplasia: contribution of intrauterine inflammation. 支气管肺发育不良的胎儿起源:宫内炎症的作用。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-09-03 DOI: 10.1186/s10020-024-00909-5
Haoting Yu, Danni Li, Xinyi Zhao, Jianhua Fu
{"title":"Fetal origin of bronchopulmonary dysplasia: contribution of intrauterine inflammation.","authors":"Haoting Yu, Danni Li, Xinyi Zhao, Jianhua Fu","doi":"10.1186/s10020-024-00909-5","DOIUrl":"10.1186/s10020-024-00909-5","url":null,"abstract":"<p><p>Bronchopulmonary dysplasia (BPD) is a common chronic lung disease in infants and the most frequent adverse outcome of premature birth, despite major efforts to minimize injury. It is thought to result from aberrant repair response triggered by either prenatal or recurrent postnatal injury to the lungs during development. Intrauterine inflammation is an important risk factor for prenatal lung injury, which is also increasingly linked to BPD. However, the specific mechanisms remain unclear. This review summarizes clinical and animal research linking intrauterine inflammation to BPD. We assess how intrauterine inflammation affects lung alveolarization and vascular development. In addition, we discuss prenatal therapeutic strategies targeting intrauterine inflammation to prevent or treat BPD.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"135"},"PeriodicalIF":6.0,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11373297/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insights into RNA N6-methyladenosine and programmed cell death in atherosclerosis. 透视动脉粥样硬化中的 RNA N6-甲基腺苷和程序性细胞死亡
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-09-03 DOI: 10.1186/s10020-024-00901-z
Haijiao Long, Yulu Yu, Jie Ouyang, Hongwei Lu, Guojun Zhao
{"title":"Insights into RNA N6-methyladenosine and programmed cell death in atherosclerosis.","authors":"Haijiao Long, Yulu Yu, Jie Ouyang, Hongwei Lu, Guojun Zhao","doi":"10.1186/s10020-024-00901-z","DOIUrl":"10.1186/s10020-024-00901-z","url":null,"abstract":"<p><p>N6-methyladenosine (m<sup>6</sup>A) modification stands out among various RNA modifications as the predominant form within eukaryotic cells, influencing numerous cellular processes implicated in disease development. m<sup>6</sup>A modification has gained increasing attention in the development of atherosclerosis and has become a research hotspot in recent years. Programmed cell death (PCD), encompassing apoptosis, autophagy, pyroptosis, ferroptosis, and necroptosis, plays a pivotal role in atherosclerosis pathogenesis. In this review, we delve into the intricate interplay between m<sup>6</sup>A modification and diverse PCD pathways, shedding light on their complex association during the onset and progression of atherosclerosis. Clarifying the relationship between m<sup>6</sup>A and PCD in atherosclerosis is of great significance to provide novel strategies for cardiovascular disease treatment.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"137"},"PeriodicalIF":6.0,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11373444/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular mechanism and potential role of mitophagy in acute pancreatitis. 有丝分裂在急性胰腺炎中的分子机制和潜在作用
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-09-03 DOI: 10.1186/s10020-024-00903-x
Lili Zhu, Yunfei Xu, Jian Lei
{"title":"Molecular mechanism and potential role of mitophagy in acute pancreatitis.","authors":"Lili Zhu, Yunfei Xu, Jian Lei","doi":"10.1186/s10020-024-00903-x","DOIUrl":"10.1186/s10020-024-00903-x","url":null,"abstract":"<p><p>Acute pancreatitis (AP) is a multifaceted inflammatory disorder stemming from the aberrant activation of trypsin within the pancreas. Despite the contribution of various factors to the pathogenesis of AP, such as trypsin activation, dysregulated increases in cytosolic Ca<sup>2+</sup> levels, inflammatory cascade activation, and mitochondrial dysfunction, the precise molecular mechanisms underlying the disease are still not fully understood. Mitophagy, a cellular process that preserves mitochondrial homeostasis under stress, has emerged as a pivotal player in the context of AP. Research suggests that augmenting mitophagy can mitigate pancreatic injury by clearing away malfunctioning mitochondria. Elucidating the role of mitophagy in AP may pave the way for novel therapeutic strategies. This review article aims to synthesize the current research findings on mitophagy in AP and underscore its significance in the clinical management of the disorder.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"136"},"PeriodicalIF":6.0,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11373529/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phosphodiesterase 4 is overexpressed in keloid epidermal scars and its inhibition reduces keratinocyte fibrotic alterations. 磷酸二酯酶 4 在瘢痕表皮疤痕中过度表达,抑制磷酸二酯酶 4 可减少角质细胞纤维化改变。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-09-02 DOI: 10.1186/s10020-024-00906-8
Javier Milara, Pilar Ribera, Severiano Marín, Paula Montero, Inés Roger, Julio Cortijo
{"title":"Phosphodiesterase 4 is overexpressed in keloid epidermal scars and its inhibition reduces keratinocyte fibrotic alterations.","authors":"Javier Milara, Pilar Ribera, Severiano Marín, Paula Montero, Inés Roger, Julio Cortijo","doi":"10.1186/s10020-024-00906-8","DOIUrl":"10.1186/s10020-024-00906-8","url":null,"abstract":"<p><strong>Background: </strong>Epidermal remodeling and hypertrophy are hallmarks of skin fibrotic disorders, and keratinocyte to mesenchymal (EMT)-like transformations drive epidermis alteration in skin fibrosis such as keloids and hypertrophic scars (HTS). While phosphodiesterase 4 (PDE4) inhibitors have shown effectiveness in various fibrotic disorders, their role in skin fibrosis is not fully understood. This study aimed to explore the specific role of PDE4B in epidermal remodeling and hypertrophy seen in skin fibrosis.</p><p><strong>Methods: </strong>In vitro experiments examined the effects of inhibiting PDE4A-D (with Roflumilast) or PDE4B (with siRNA) on TGFβ1-induced EMT differentiation and dedifferentiation in human 3D epidermis. In vivo studies investigated the impact of PDE4 inhibition on HOCl-induced skin fibrosis and epidermal hypertrophy in mice, employing both preventive and therapeutic approaches.</p><p><strong>Results: </strong>The study found increased levels of PDE4B (mRNA, protein) in keloids > HTS compared to healthy epidermis, as well as in TGFβ-stimulated 3D epidermis. Keloids and HTS epidermis exhibited elevated levels of collagen Iα1, fibronectin, αSMA, N-cadherin, and NOX4 mRNA, along with decreased levels of E-cadherin and ZO-1, confirming an EMT process. Inhibition of both PDE4A-D and PDE4B prevented TGFβ1-induced Smad3 and ERK1/2 phosphorylation and mesenchymal differentiation in vitro. PDE4A-D inhibition also promoted mesenchymal dedifferentiation and reduced TGFβ1-induced ROS and keratinocyte senescence by rescuing PPM1A, a Smad3 phosphatase. In vivo, PDE4 inhibition mitigated HOCl-induced epidermal hypertrophy in mice in both preventive and therapeutic settings.</p><p><strong>Conclusions: </strong>Overall, the study supports the potential of PDE4 inhibitors, particularly PDE4B, in treating skin fibrosis, including keloids and HTS, shedding light on their functional role in this condition.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"134"},"PeriodicalIF":6.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11370283/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142120233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AST-120 alleviates renal ischemia-reperfusion injury by inhibiting HK2-mediated glycolysis. AST-120 通过抑制 HK2- 介导的糖酵解减轻肾缺血再灌注损伤
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-31 DOI: 10.1186/s10020-024-00902-y
Jinmeng Zhou, Jinbao Zhang, Feng Xu, Haijin Gao, Lei Wang, Yutong Zhao, Ke Li
{"title":"AST-120 alleviates renal ischemia-reperfusion injury by inhibiting HK2-mediated glycolysis.","authors":"Jinmeng Zhou, Jinbao Zhang, Feng Xu, Haijin Gao, Lei Wang, Yutong Zhao, Ke Li","doi":"10.1186/s10020-024-00902-y","DOIUrl":"10.1186/s10020-024-00902-y","url":null,"abstract":"<p><strong>Objective: </strong>Renal ischemia/reperfusion injury (IRI) is a major cause of acute kidney injury (AKI), which is associated with high incidence and mortality. AST-120 is an oral carbonaceous adsorbent that can alleviate kidney damage. This study aimed to explore the effects of AST-120 on renal IRI and the molecular mechanism.</p><p><strong>Methods: </strong>A renal IRI mouse model was established and administrated AST-120, and differentially expressed genes were screened using RNA sequencing. Renal function and pathology were analyzed in mice. Hypoxia/reoxygenation (H/R) cell model was generated, and glycolysis was evaluated by detecting lactate levels and Seahorse analysis. Histone lactylation was analyzed by western blotting, and its relationship with hexokinase 2 (HK2) was assessed using chromatin immunoprecipitation.</p><p><strong>Results: </strong>The results showed that HK2 expression was increased after IRI, and AST-120 decreased HK2 expression. Knockout of HK2 attenuated renal IRI and inhibits glycolysis. AST-120 inhibited renal IRI in the presence of HK2 rather than HK2 absence. In proximal tubular cells, knockdown of HK2 suppressed glycolysis and H3K18 lactylation caused by H/R. H3K18 lactylation was enriched in HK2 promoter and upregulated HK2 levels. Rescue experiments revealed that lactate reversed IRI that suppressed by HK2 knockdown.</p><p><strong>Conclusions: </strong>In conclusion, AST-120 alleviates renal IRI via suppressing HK2-mediated glycolysis, which suppresses H3K18 lactylation and further reduces HK2 levels. This study proposes a novel mechanism by which AST-120 alleviates IRI.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"133"},"PeriodicalIF":6.0,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11365134/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142109605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Secretome of brain microvascular endothelial cells promotes endothelial barrier tightness and protects against hypoxia-induced vascular leakage. 脑微血管内皮细胞的分泌物促进内皮屏障的紧密性,防止缺氧引起的血管渗漏。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-26 DOI: 10.1186/s10020-024-00897-6
Rodrigo Azevedo Loiola, Johan Hachani, Sophie Duban-Deweer, Emmanuel Sevin, Paulina Bugno, Agnieszka Kowalska, Eleonora Rizzi, Fumitaka Shimizu, Takashi Kanda, Caroline Mysiorek, Maciej Mazurek, Fabien Gosselet
{"title":"Secretome of brain microvascular endothelial cells promotes endothelial barrier tightness and protects against hypoxia-induced vascular leakage.","authors":"Rodrigo Azevedo Loiola, Johan Hachani, Sophie Duban-Deweer, Emmanuel Sevin, Paulina Bugno, Agnieszka Kowalska, Eleonora Rizzi, Fumitaka Shimizu, Takashi Kanda, Caroline Mysiorek, Maciej Mazurek, Fabien Gosselet","doi":"10.1186/s10020-024-00897-6","DOIUrl":"10.1186/s10020-024-00897-6","url":null,"abstract":"<p><p>Cell-based therapeutic strategies have been proposed as an alternative for brain and blood vessels repair after stroke, but their clinical application is hampered by potential adverse effects. We therefore tested the hypothesis that secretome of these cells might be used instead to still focus on cell-based therapeutic strategies. We therefore characterized the composition and the effect of the secretome of brain microvascular endothelial cells (BMECs) on primary in vitro human models of angiogenesis and vascular barrier. Two different secretome batches produced in high scale (scHSP) were analysed by mass spectrometry. Human primary CD34<sup>+</sup>-derived endothelial cells (CD34<sup>+</sup>-ECs) were used as well as in vitro models of EC monolayer (CMECs) and blood-brain barrier (BBB). Cells were also exposed to oxygen-glucose deprivation (OGD) conditions and treated with scHSP during reoxygenation. Protein yield and composition of scHSP batches showed good reproducibility. scHSP increased CD34<sup>+</sup>-EC proliferation, tubulogenesis, and migration. Proteomic analysis of scHSP revealed the presence of growth factors and proteins modulating cell metabolism and inflammatory pathways. scHSP improved the integrity of CMECs, and upregulated the expression of junctional proteins. Such effects were mediated through the activation of the interferon pathway and downregulation of Wnt signalling. Furthermore, OGD altered the permeability of both CMECs and BBB, while scHSP prevented the OGD-induced vascular leakage in both models. These effects were mediated through upregulation of junctional proteins and regulation of MAPK/VEGFR2. Finally, our results highlight the possibility of using secretome from BMECs as a therapeutic alternative to promote brain angiogenesis and to protect from ischemia-induced vascular leakage.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"132"},"PeriodicalIF":6.0,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11348522/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alterations in plasma proteome during acute COVID-19 and recovery. 急性 COVID-19 和恢复期血浆蛋白质组的变化。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-25 DOI: 10.1186/s10020-024-00898-5
Maciej Suski, Agnieszka Olszanecka, Aneta Stachowicz, Anna Kiepura, Michał Terlecki, Józef Madej, Marek Rajzer, Rafał Olszanecki
{"title":"Alterations in plasma proteome during acute COVID-19 and recovery.","authors":"Maciej Suski, Agnieszka Olszanecka, Aneta Stachowicz, Anna Kiepura, Michał Terlecki, Józef Madej, Marek Rajzer, Rafał Olszanecki","doi":"10.1186/s10020-024-00898-5","DOIUrl":"10.1186/s10020-024-00898-5","url":null,"abstract":"<p><strong>Background: </strong>The severe course of COVID-19 causes cardiovascular injuries, although the mechanisms involved are still not fully recognized, linked, and understood. Their characterization is of great importance with the establishment of the conception of post-acute sequelae of COVID-19, referred to as long COVID, where blood clotting and endothelial abnormalities are believed to be the key pathomechanisms driving circulatory system impairment.</p><p><strong>Methods: </strong>The presented study investigates temporal changes in plasma proteins in COVID-19 patients during hospitalization due to SARS-CoV-2 infection and six months after recovery by targeted SureQuant acquisition using PQ500 panel.</p><p><strong>Results: </strong>In total, we identified 167 proteins that were differentially regulated between follow-up and hospitalization, which functionally aggregated into immune system activation, complement and coagulation cascades, interleukins signalling, platelet activation, and extracellular matrix organization. Furthermore, we found that temporal quantitative changes in acute phase proteins correlate with selected clinical characteristics of COVID-19 patients.</p><p><strong>Conclusions: </strong>In-depth targeted proteome investigation evidenced substantial changes in plasma protein composition of patients during and recovering from COVID-19, evidencing a wide range of functional pathways induced by SARS-CoV-2 infection. In addition, we show that a subset of acute phase proteins, clotting cascade regulators and lipoproteins could have clinical value as potential predictors of long-term cardiovascular events in COVID-19 convalescents.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"131"},"PeriodicalIF":6.0,"publicationDate":"2024-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11346252/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142056059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antibiotic-induced gut microbiota disruption promotes vascular calcification by reducing short-chain fatty acid acetate. 抗生素诱导的肠道微生物群破坏通过减少短链脂肪酸醋酸酯促进血管钙化。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-24 DOI: 10.1186/s10020-024-00900-0
Shi-Yu Zeng, Yi-Fu Liu, Zhao-Lin Zeng, Zhi-Bo Zhao, Xi-Lin Yan, Jie Zheng, Wen-Hang Chen, Zhen-Xing Wang, Hui Xie, Jiang-Hua Liu
{"title":"Antibiotic-induced gut microbiota disruption promotes vascular calcification by reducing short-chain fatty acid acetate.","authors":"Shi-Yu Zeng, Yi-Fu Liu, Zhao-Lin Zeng, Zhi-Bo Zhao, Xi-Lin Yan, Jie Zheng, Wen-Hang Chen, Zhen-Xing Wang, Hui Xie, Jiang-Hua Liu","doi":"10.1186/s10020-024-00900-0","DOIUrl":"10.1186/s10020-024-00900-0","url":null,"abstract":"<p><strong>Background: </strong>Vascular calcification is a common vascular lesion associated with high morbidity and mortality from cardiovascular events. Antibiotics can disrupt the gut microbiota (GM) and have been shown to exacerbate or attenuate several human diseases. However, whether antibiotic-induced GM disruption affects vascular calcification remains unclear.</p><p><strong>Methods: </strong>Antibiotic cocktail (ABX) treatment was utilized to test the potential effects of antibiotics on vascular calcification. The effects of antibiotics on GM and serum short-chain fatty acids (SCFAs) in vascular calcification mice were analyzed using 16 S rRNA gene sequencing and targeted metabolomics, respectively. Further, the effects of acetate, propionate and butyrate on vascular calcification were evaluated. Finally, the potential mechanism by which acetate inhibits osteogenic transformation of VSMCs was explored by proteomics.</p><p><strong>Results: </strong>ABX and vancomycin exacerbated vascular calcification. 16 S rRNA gene sequencing and targeted metabolomics analyses showed that ABX and vancomycin treatments resulted in decreased abundance of Bacteroidetes in the fecal microbiota of the mice and decreased serum levels of SCFAs. In addition, supplementation with acetate was found to reduce calcium salt deposition in the aorta of mice and inhibit osteogenic transformation in VSMCs. Finally, using proteomics, we found that the inhibition of osteogenic transformation of VSMCs by acetate may be related to glutathione metabolism and ubiquitin-mediated proteolysis. After adding the glutathione inhibitor Buthionine sulfoximine (BSO) and the ubiquitination inhibitor MG132, we found that the inhibitory effect of acetate on VSMC osteogenic differentiation was weakened by the intervention of BSO, but MG132 had no effect.</p><p><strong>Conclusion: </strong>ABX exacerbates vascular calcification, possibly by depleting the abundance of Bacteroidetes and SCFAs in the intestine. Supplementation with acetate has the potential to alleviate vascular calcification, which may be an important target for future treatment of vascular calcification.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"130"},"PeriodicalIF":6.0,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11344439/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142056060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitochondria: a new intervention target for tumor invasion and metastasis. 线粒体:肿瘤侵袭和转移的新干预靶点。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-23 DOI: 10.1186/s10020-024-00899-4
Quanling Zhou, Tingping Cao, Fujun Li, Ming Zhang, Xiaohui Li, Hailong Zhao, Ya Zhou
{"title":"Mitochondria: a new intervention target for tumor invasion and metastasis.","authors":"Quanling Zhou, Tingping Cao, Fujun Li, Ming Zhang, Xiaohui Li, Hailong Zhao, Ya Zhou","doi":"10.1186/s10020-024-00899-4","DOIUrl":"10.1186/s10020-024-00899-4","url":null,"abstract":"<p><p>Mitochondria, responsible for cellular energy synthesis and signal transduction, intricately regulate diverse metabolic processes, mediating fundamental biological phenomena such as cell growth, aging, and apoptosis. Tumor invasion and metastasis, key characteristics of malignancies, significantly impact patient prognosis. Tumor cells frequently exhibit metabolic abnormalities in mitochondria, including alterations in metabolic dynamics and changes in the expression of relevant metabolic genes and associated signal transduction pathways. Recent investigations unveil further insights into mitochondrial metabolic abnormalities, revealing their active involvement in tumor cell proliferation, resistance to chemotherapy, and a crucial role in tumor cell invasion and metastasis. This paper comprehensively outlines the latest research advancements in mitochondrial structure and metabolic function. Emphasis is placed on summarizing the role of mitochondrial metabolic abnormalities in tumor invasion and metastasis, including alterations in the mitochondrial genome (mutations), activation of mitochondrial-to-nuclear signaling, and dynamics within the mitochondria, all intricately linked to the processes of tumor invasion and metastasis. In conclusion, the paper discusses unresolved scientific questions in this field, aiming to provide a theoretical foundation and novel perspectives for developing innovative strategies targeting tumor invasion and metastasis based on mitochondrial biology.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"129"},"PeriodicalIF":6.0,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11344364/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142046909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Caspase-11 signaling promotes damage to hippocampal CA3 to enhance cognitive dysfunction in infection. Caspase-11信号传导促进海马CA3的损伤,从而增强感染后的认知功能障碍。
IF 6 2区 医学
Molecular Medicine Pub Date : 2024-08-23 DOI: 10.1186/s10020-024-00891-y
Ni Liang, Yi Li, Chuang Yuan, Xiaoli Zhong, Yanliang Yang, Fang Liang, Kai Zhao, Fangfang Yuan, Jian Shi, Erhua Wang, Yanjun Zhong, Guixiang Tian, Ben Lu, Yiting Tang
{"title":"Caspase-11 signaling promotes damage to hippocampal CA3 to enhance cognitive dysfunction in infection.","authors":"Ni Liang, Yi Li, Chuang Yuan, Xiaoli Zhong, Yanliang Yang, Fang Liang, Kai Zhao, Fangfang Yuan, Jian Shi, Erhua Wang, Yanjun Zhong, Guixiang Tian, Ben Lu, Yiting Tang","doi":"10.1186/s10020-024-00891-y","DOIUrl":"10.1186/s10020-024-00891-y","url":null,"abstract":"<p><strong>Background: </strong>Cognitive dysfunction caused by infection frequently emerges as a complication in sepsis survivor patients. However, a comprehensive understanding of its pathogenesis remains elusive.</p><p><strong>Methods: </strong>In our in vivo experiments, an animal model of endotoxemia was employed, utilizing the Novel Object Recognition Test and Morris Water Maze Test to assess cognitive function. Various techniques, including immunofluorescent staining, Western blotting, blood‒brain barrier permeability assessment, Limulus Amebocyte Lysate (LAL) assay, and Proximity-ligation assay, were employed to identify brain pathological injury and neuroinflammation. To discern the role of Caspase-11 (Casp11) in hematopoietic or non-hematopoietic cells in endotoxemia-induced cognitive decline, bone marrow chimeras were generated through bone marrow transplantation (BMT) using wild-type (WT) and Casp11-deficient mice. In vitro studies involved treating BV2 cells with E. coli-derived outer membrane vesicles to mimic in vivo conditions.</p><p><strong>Results: </strong>Our findings indicate that the deficiency of Casp11-GSDMD signaling pathways reverses infection-induced cognitive dysfunction. Moreover, cognitive dysfunction can be ameliorated by blocking the IL-1 effect. Mechanistically, the absence of Casp11 signaling significantly mitigated blood‒brain barrier leakage, microglial activation, and synaptic damage in the hippocampal CA3 region, ultimately leading to improved cognitive function.</p><p><strong>Conclusion: </strong>This study unveils the crucial contribution of Casp11 and GSDMD to cognitive impairments and spatial memory loss in a murine sepsis model. Targeting Casp11 signaling emerges as a promising strategy for preventing or treating cognitive dysfunction in patients with severe infections.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"30 1","pages":"127"},"PeriodicalIF":6.0,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11342519/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142046908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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