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Cardiac arrest, stony heart, and cardiopulmonary resuscitation: An updated revisit

World Journal of Cardiology 2024年第3期16卷 126-136页

作者： Ayman El-Menyar Bianca M Wahlen Department of Trauma and Vascular Surgery Clinical ResearchHamad Medical CorporationDoha 3050Qatar Department of clinical Medicine Weill Cornell Medical CollegeDoha 24144Qatar Department of Anesthesiology Hamad Medical CorporationDoha 3050Qatar

The post-resuscitation period is recognized as the main predictor of cardiopul-monary resuscitation(CPR)*** first description of post-resuscitation syndrome and stony heart was published over 50 years *** manifestations may include but are not limited to,persistent precipitating pathology,systemic ischemia/reperfusion response,post-cardiac arrest brain injury,and finally,post-cardiac arrest myocardial dysfunction(PAMD)after successful *** do some patients initially survive successful resuscitation,and others do not?Also,why does the myocardium response vary after resuscitation?These ques-tions have kept scientists busy for several decades since the first successful resuscitation was *** modifying the conventional modalities of resu-scitation together with new promising agents,rescuers will be able to salvage the jeopardized post-resuscitation myocardium and prevent its progression to a dismal,stony *** awareness and staff education are crucial for shortening the resuscitation time and improving short-and long-term *** of these components before and early after the restoration of circulation will enhance the resuscitation *** review extensively addresses the underlying pathophysiology,management,and outcomes of post-resuscitation *** pattern,management,and outcome of PAMD and post-cardiac arrest shock are different based on many factors,including in-hospital cardiac arrest vs out-of-hospital cardiac arrest(OHCA),witnessed vs unwitnessed cardiac arrest,the underlying cause of arrest,the duration,and protocol used for *** restoring spontaneous circulation is a vital sign,it should not be the end of the game or lone primary outcome;it calls for better understanding and aggressive multi-disciplinary interventions and *** development of stony heart post-CPR and OHCA remain the main challenges in emergency and critical care medicine.

关键词： Cardiac arrest Out-of-hospital cardiac arrest In-hospital cardiac arrest Post-resuscitation Myocardial dysfunction Cardiopulmonary resuscitation Stony heart

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Ischemia-reperfusion injury:molecular mechanisms and therapeutic targets

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Signal Transduction and Targeted Therapy 2024年第2期9卷 558-596页

作者： Meng Zhang Qian Liu Hui Meng Hongxia Duan Xin Liu Jian Wu Fei Gao Shijun Wang Rubin Tan Jinxiang Yuan The Collaborative Innovation Center Jining Medical UniversityJiningShandong 272067China clinical Medical college Jining Medical UniversityJiningShandong 272067China Second clinical Medical college Jining Medical UniversityJiningShandong 272067China Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital and Institutes of Biomedical SciencesFudan UniversityShanghaiChina Institute of Zoology Chinese Academy of SciencesBeijingChina Department of Physiology Basic medical schoolXuzhou Medical UniversityXuzhou 221004China

Ischemia-reperfusion(I/R)injury paradoxically occurs during reperfusion following ischemia,exacerbating the initial tissue *** limited understanding of the intricate mechanisms underlying I/R injury hinders the development of effective therapeutic *** Wnt signaling pathway exhibits extensive crosstalk with various other pathways,forming a network system of signaling pathways involved in I/R *** review article elucidates the underlying mechanisms involved in Wnt signaling,as well as the complex interplay between Wnt and other pathways,including Notch,phosphatidylinositol 3-kinase/protein kinase B,transforming growth factor-β,nuclear factor kappa,bone morphogenetic protein,N-methyl-D-aspartic acid receptor-Ca2+-Activin A,Hippo-Yes-associated protein,toll-like receptor 4/toll-interleukine-1 receptor domain-containing adapter-inducing interferon-β,and hepatocyte growth factor/mesenchymal-epithelial transition *** particular,we delve into their respective contributions to key pathological processes,including apoptosis,the inflammatory response,oxidative stress,extracellular matrix remodeling,angiogenesis,cell hypertrophy,fibrosis,ferroptosis,neurogenesis,and blood-brain barrier damage during I/R *** comprehensive analysis of the mechanisms involved in Wnt signaling during I/R reveals that activation of the canonical Wnt pathway promotes organ recovery,while activation of the non-canonical Wnt pathways exacerbates ***,we explore novel therapeutic approaches based on these mechanistic findings,incorporating evidence from animal experiments,current standards,and clinical *** objective of this review is to provide deeper insights into the roles of Wnt and its crosstalk signaling pathways in I/R-mediated processes and organ dysfunction,to facilitate the development of innovative therapeutic agents for I/R injury.

关键词： therapeutic reperfusion damage

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Pathogenesis of chronic enteropathy associated with the SLCO2A1 gene:Hypotheses and conundrums

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World Journal of Gastroenterology 2024年第19期30卷 2505-2511页

作者： Zhi-Xin Xie Yue Li Ai-Ming Yang Dong Wu Qiang Wang State Key Laboratory of Complex Severe and Rare Diseases Department of GastroenterologyPeking Union Medical College HospitalChinese Academy of Medical SciencesBeijing 100730China Department of clinical Medicine Peking Union Medical CollegeChinese Academy of Medical SciencesBeijing 100730China

Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein *** review explores the potential mechanisms underlying the pathogenesis of CEAS,focusing on the role of SLCO2A1-encoded prostaglandin transporter OATP2A1 and its impact on prostaglandin E2(PGE2)*** have suggested that elevated PGE2 levels contribute to mucosal damage,inflammation,and disruption of the intestinal *** effects of PGE2 on macrophage activation and Maxi-Cl channel functionality,as well as its interaction with nonsteroidal anti-inflammatory drugs play crucial roles in the progression of *** the balance between its protective and pro-inflammatory effects and the complex interactions within the gastrointestinal tract can shed light on potential therapeutic targets for CEAS and guide the development of novel,targeted therapies.

关键词： SLCO2A1 Prostaglandin E2 Chronic enteropathy associated with the SLCO2A1 gene Small intestine Macrophage

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Modulation of host N6-methyladenosine modification by gut microbiota in colorectal cancer

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World Journal of Gastroenterology 2024年第38期30卷 4175-4193页

作者： Tian-Qi Jiang Hao Wang Wang-XinJun Cheng Chuan Xie Department of Gastroenterology Jiangxi Provincial Key Laboratory of Digestive DiseasesJiangxi Clinical Research Center for Department of GastroenterologyDigestive Disease HospitalThe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang 330006Jiangxi ProvinceChina The First clinical Medical college Nanchang UniversityNanchang 330006Jiangxi ProvinceChina Queen Mary college Nanchang UniversityNanchang 330006Jiangxi ProvinceChina

As a research hotspot in the field of molecular biology,N6-methyladenosine(m6A)modification has made progress in the treatment of colorectal cancer(CRC),leukemia and other *** studies have demonstrated that the tumour microenvironment(TME)regulates the level of m6A modification in the host and activates a series of complex epigenetic signalling pathways through interactions with CRC cells,thus affecting the progression and prognosis of ***,with the diversity in the composition of TME factors,this action is reci-procal and ***,some studies have experimentally revealed that the intestinal flora can alter CRC cell proliferation by directly acting on m6A and thereby altering CRC cell *** review summarizes the data,supporting the idea that the intestinal flora can influence host m6A levels through pathways such as methyl donor metabolism and thus affect the progression of *** also review the role of m6A modification in the diagnosis,treatment,and prognostic assessment of CRC and discuss the current status,limitations,and potential clinical value of m6A modification in this *** propose that additional in-depth research on m6A alterations in CRC patients and their TME-related targeted therapeutic issues will lead to better therapeutic outcomes for CRC patients.

关键词： Colorectal cancer N6-methyladenosine Tumour microenvironment Gut microbiota clinical application

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Paeoniflorin ameliorates chronic colitis via the DR3 signaling pathway in group 3 innate lymphoid cells

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Journal of Pharmaceutical Analysis 2024年第6期14卷 889-901页

作者： Shaowei Huang Xueqian Xie Bo Xu Zengfeng Pan Junjie Liang Meiling Zhang Simin Pan Xiaojing Wang Meng Zhao Qing Wang Jinyan Chen Yanyang Li Lian Zhou Xia Luo School of Pharmaceutical Sciences Guangzhou University of Chinese Medicine510006China School of Basic Medicine Guangzhou University of Chinese Medicine510006China First clinical Medical college Guangzhou University of Chinese Medicine510000China

Inhibiting the death receptor 3(DR3)signaling pathway in group 3 innate lymphoid cells(ILC3s)presents a promising approach for promoting mucosal repair in individuals with ulcerative colitis(UC).Paeoniflorin,a prominent component of Paeonia lactiflora Pall.,has demonstrated the ability to restore barrier function in UC mice,but the precise mechanism remains *** this study,we aimed to delve into whether paeoniflorin may promote intestinal mucosal repair in chronic colitis by inhibiting DR3 signaling in ILC3s.C57BL/6 mice were subjected to random allocation into 7 distinct groups,namely the control group,the 2%dextran sodium sulfate(DSS)group,the paeoniflorin groups(25,50,and 100 mg/kg),the anti-tumor necrosis factor-like ligand 1A(anti-TL1A)antibody group,and the IgG *** detected the expression of DR3 signaling pathway proteins and the proportion of ILC3s in the mouse colon using Western blot and flow cytometry,***,DR3-overexpressing MNK-3 cells and 2%DSS-induced Rag1^(-/-)mice were used for *** results showed that paeoniflorin alleviated DSS-induced chronic colitis and repaired the intestinal mucosal ***,paeoniflorin inhibited the DR3 signaling pathway in ILC3s and regulated the content of cytokines(interleukin-17A,granulocyte-macrophage colony stimulating factor,and interleukin-22).Alternatively,paeoniflorin directly inhibited the DR3 signaling pathway in ILC3s to repair mucosal damage independently of the adaptive immune *** additionally confirmed that paeoniflorin-conditioned medium(CM)restored the expression of tight junctions in Caco-2 cells via *** conclusion,paeoniflorin ameliorates chronic colitis by enhancing the intestinal barrier in an ILC3-dependent manner,and its mechanism is associated with the inhibition of the DR3 signaling pathway.

关键词： Paeoniflorin Ulcerative colitis Intestinal mucosal barrier DR3 signaling pathway Group 3 innate lymphoid cells

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LncRNA MEG3 Inhibits the Epithelial-mesenchymal Transition of Bladder Cancer Cells through the Snail/E-cadherin Axis

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当代医学科学（英文） 2024年第4期44卷 726-734页

作者： Liang WANG Ping WANG Bing LIU Hui ZHANG Cheng-cheng WEI Ming XIONG Gang LUO Miao WANG Department of Urology Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of clinical Laboratory Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of Urology The Central Hospital of WuhanTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430014China

Objective:This study aimed to investigate the role of the long noncoding RNA(lncRNA)maternally expressed gene 3(MEG3)in the epithelial-mesenchymal transition(EMT)of bladder cancer cells and the potential ***:Cell invasion,migration,and wound healing assays were conducted to assess the effects of MEG3 on the invasive and migratory capabilities of bladder cancer *** expression levels of E-cadherin were measured using Western blotting,RT-qPCR,and dual luciferase reporter *** immunoprecipitation and pull-down assays were performed to investigate the interactions between MEG3 and its downstream ***:MEG3 suppressed the invasion and migration of bladder cancer cells and modulated the transcription of *** binding of MEG3 to the zinc finger region of the transcription factor Snail prevented its ability to transcriptionally repress ***,MEG3 suppressed the phosphorylation of extracellular regulated protein kinase(ERK),c-Jun N-terminal kinase(JNK),and P38,thereby decreasing the expression of Snail and stimulating the expression of ***:MEG3 plays a vital role in suppressing the EMT in bladder cancer cells,indicating its potential as a promising therapeutic target for the treatment of bladder cancer.

关键词： Snail bladder cancer epithelial-mesenchymal transition long noncoding RNA maternally expressed gene 3

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A distinct“repair”role of regulatory T cells in fracture healing

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Frontiers of Medicine 2024年第3期18卷 516-537页

作者： Tingting Wu Lulu Wang Chen Jian Zhenhe Zhang Ruiyin Zeng Bobin Mi Guohui Liu Yu Zhang Chen Shi Department of Pharmacy Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China Hubei Province clinical Research Center for Precision Medicine for Critical Illness Wuhan430022China Department of Orthopedics Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China

Regulatory T cells(Tregs)suppress immune responses and ***,we described the distinct nonimmunological role of Tregs in fracture *** recruitment from the circulation pool,peripheral induction,and local expansion rapidly enriched Tregs in the injured *** Tregs in the injured bone displayed superiority in direct osteogenesis over Tregs from lymphoid *** depletion of Tregs compromised the fracture healing process,which leads to increased bone *** addition,bone callus Tregs showed unique T-cell receptor *** was the most overexpressed protein in bone callus Tregs,and it can directly facilitate the proliferation and differentiation of osteogenic precursor cells by activation of phosphatidylinositol 3-kinase/protein kinase B signaling *** results of loss-and gain-function studies further evidenced that amphiregulin can reverse the compromised healing caused by Treg *** also enriched in patient bone callus and amphiregulin can promote the osteogenesis of human pre-osteoblastic *** findings indicate the distinct and nonredundant role of Tregs in fracture healing,which will provide a new therapeutic target and strategy in the clinical treatment of fractures.

关键词： regulatory T cells fracture healing amphiregulin non-union osteogenesis

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Cyanidin 3-O-β-galactoside from black chokeberry exerts neuroprotective effects in mice fed with high-fat/high-sugar diet through regulating glucose metabolism

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Food Science and Human Wellness 2024年

作者： Zhuoyan Fan Xiaoyu Liu Wentao Gao Lei Zhang Xinquan Yang Jingming Li college of Food Science and Nutritional Engineering， China Agricultural University clinical Laboratory Center of Medicine， Zhongshan People's Hospital

Unhealthy diets are associated with various diseases that can disrupt brain energy metabolism， which significantly increased the risk of cognitive impairment and chronic neurodegenerative diseases. Early intervention with nutritional supplements may have long-lasting positive effects on diet-related glucose metabolism and potentially mediate the progression of neurodegeneration in middle-aged and elderly people. We previously reported that cyanidin 3-O-β-galactoside (Cy3Gal)， an anthocyanin from black chokeberry (Aronia melanocarpa (Michx.) Elliott)， alleviated cognitive impairment in aging mice through regulating brain energy metabolism. However， it remains unclear whether Cy3Gal can also exert beneficial effects in mice fed with a high-fat/high-sugar diet. Here we revealed that Cy3Gal treatment conserved the health of neurons and synapses， as well as cognitive function of mice. Furthermore， we observed that Cy3Gal effectively improved glucose uptake and metabolism of skeletal muscle by enhancing glycolysis both in vivo and in vitro models， which is essential for maintaining a stable glucose supply to the brain. Additionally， Cy3Gal significantly increased the levels of glucose-derived tricarboxylic acid cycle intermediates in the mice brain (P < 0.05)， and regulated the activities of mitochondrial respiratory chain complexes (P < 0.01). The positive influence on peripheral and brain bioenergetics explained how the Cy3Gal exerted neuroprotective effect. In conclusion， our study illustrated that early dietary intervention of Cy3Gal had significant advantages in terms of neuroprotection and cognition under the challenge of HFHS diet-induced glucose metabolism disorder.

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Autolysosomal acidification impairment as a mediator for TNFR1 induced neuronal necroptosis in Alzheimer’s disease

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Neural Regeneration Research 2024年第9期19卷 1869-1870页

作者： Evridiki Asimakidou Richard Reynolds Anna M.Barron Chih Hung Lo Department of clinical Neurosciences University of CambridgeCambridgeUK Department of Brain Sciences Faculty of MedicineImperial College LondonLondonUK Lee Kong Chian School of Medicine Nanyang Technological UniversitySingaporeSingapore

Neuronal necroptosis-an emerging form of regulated cell death associated with neuroinflammatory signaling:Alzheimer’s disease(AD)is characterized by the presence of extracellular amyloid-β(Aβ)plaques and intracellular tau neurofibrillary tangles as well as progressive neuronal *** evidence has suggested that prolonged neuroinflammation with increased levels of cytokines,arising from neuronal injury,innate immune responses from glial cells,and peripheral inflammation,leads to neuronal death and AD progression.

关键词： Alzheimer death tau Aβ

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Irisin-loaded electrospun core-shell nanofibers as calvarial periosteum accelerate vascularized bone regeneration by activating the mitochondrial SIRT3 pathway

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Regenerative Biomaterials 2024年第1期3卷 44-57页

作者： Xi Hua Mingzhuang Hou Lei Deng Nanning Lv Yong Xu Xuesong Zhu Huilin Yang Qin Shi Hao Liu Fan He Department of Orthopaedics The First Affiliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Orthopaedic Institute Suzhou Medical CollegeSoochow UniversitySuzhou 215000China Department of Orthopedics Suzhou Wuzhong People’s HospitalSuzhouJiangsu Province 215128China Department of Orthopedic Surgery Lianyungang Clinical College of Xuzhou Medical UniversityLianyungang 222003China

The scarcity of native periosteum poses a significant clinical barrier in the repair of critical-sized bone *** challenge of enhancing regenerative potential in bone healing is further compounded by oxidative stress at the fracture ***,the introduction of artificial periosteum has demonstrated its ability to promote bone regeneration through the provision of appropriate mechanical support and controlled release of proosteogenic *** this study,a poly(L-lactic acid)(PLLA)/hyaluronic acid(HA)-based nanofibrous membrane was fabricated using the coaxial electrospinning *** incorporation of irisin into the core-shell structure of PLLA/HA nanofibers(PLLA/HA@Irisin)achieved its sustained *** vitro experiments demonstrated that the PLLA/HA@Irisin membranes exhibited favorable *** osteogenic differentiation of bone marrow mesenchymal stem cells(BMMSCs)was improved by PLLA/HA@Irisin,as evidenced by a significant increase in alkaline phosphatase activity and matrix ***,PLLA/HA@Irisin significantly enhanced the mitochondrial function of BMMSCs via the activation of the sirtuin 3 antioxidant *** assess the therapeutic effectiveness,PLLA/HA@Irisin membranes were implanted in situ into critical-sized calvarial defects in *** results at 4 and 8 weeks post-surgery indicated that the implantation of PLLA/HA@Irisin exhibited superior efficacy in promoting vascularized bone formation,as demonstrated by the enhancement of bone matrix synthesis and the development of new blood *** results of our study indicate that the electrospun PLLA/HA@Irisin nanofibers possess characteristics of a biomimetic periosteum,showing potential for effectively treating critical-sized bone defects by improving the mitochondrial function and maintaining redox homeostasis of BMMSCs.

关键词： periosteum irisin mitochondrial function critical-sized bone defect redox homeostasis

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