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Unraveling the complex landscape of endocrine resistance in breast cancer: Emerging role of long noncoding rna AGPG and beyond

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中华医学杂志(英文版) 2024年第16期137卷 2024 Jul 19页

作者： Khawar Muhammad Babar Yu Shiyi Afzal Ali Sun Haibo Institute of translational Medicine Medical College Yangzhou University Yangzhou Jiangsu China Jiangsu Key Laboratory of Experimental & translational non-coding rna research Yangzhou University Yangzhou Jiangsu China Applied Molecular Biology and Biomedicine Lab Department of Zoology University of Narowal Narowal Pakistan Molecular Medicine and Cancer Therapeutics Lab Department of Zoology Faculty of Sciences Technology University of Central Punjab Lahore Pakistan

Rbfox1 controls alternative splicing of focal adhesion genes in cardiac muscle cells

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Journal of Molecular Cell Biology 2024年第1期16卷 54-65页

作者： Peter Zorn Jaime Calvo Sánchez Tala Alakhras Barbara Schreier Michael Gekle Stefan Hüttelmaier Marcel Köhn Junior Group‘non-coding rnas and RBPs in Human Diseases’ Medical FacultyUniversity of Halle–Wittenberg06120 Halle(Saale)Germany Julius Bernstein Institute of Physiology Medical FacultyUniversity of Halle–Wittenberg06112 Halle(Saale)Germany Institute of Molecular Medicine Medical FacultyUniversity of Halle–Wittenberg06120 Halle(Saale)Germany

Alternative splicing is one of the major cellular processes that determine the tissue-specific expression of protein ***,it remains challenging to identify physiologically relevant and tissue-selective proteins that are generated by alternative ***,we investigated the target spectrum of the splicing factor Rbfox1 in the cardiac muscle context in more *** using a combination of in silico target prediction and in-cell validation,we identified several focal adhesion proteins as alternative splicing targets of *** focused on the alternative splicing patterns of vinculin(metavinculin isoform)and paxillin(extended paxillin isoform)and identified both as potential Rbfox1 *** analyses suggested that both isoforms are promoted by Rbfox1 due to binding in the *** adhesions play an important role in the cardiac muscle context,since they mainly influence cell shape,cytoskeletal organization,and cell–matrix *** data confirmed that depletion of Rbfox1 changed cardiomyoblast morphology,cytoskeletal organization,and multinuclearity after differentiation,which might be due to changes in alternative splicing of focal adhesion ***,our results indicate that Rbfox1 promotes alternative splicing of focal adhesion genes in cardiac muscle cells,which might contribute to heart disease progression,where downregulation of Rbfox1 is frequently observed.

关键词： Rbfox1 alternative splicing focal adhesion cardiac muscle cells Topic:cardiac myocytesalternative splicingfocal adhesionsgenesintronsprotein isoformsrna splicing

Targeting lncrna16 by GalNAc-sirna conjugates facilitates chemotherapeutic sensibilization via the HBB/NDUFAF5/ROS pathway

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Science China(Life Sciences) 2024年第4期67卷 663-679页

作者： Yanfang Liu Yan Wang Bing Liu Wenzhong Liu Yuanyuan Ma Yiren Cao Shi Yan Panpan Zhang Lixin Zhou Qimin Zhan Nan Wu Key Laboratory of Carcinogenesis and translational research(Ministry of Education/Beijing) Department of Thoracic Surgery IIPeking University Cancer Hospital and InstituteBeijing 100142China Key Laboratory of Carcinogenesis and translational research(Ministry of Education/Beijing) Laboratory of Molecular OncologyPeking University Cancer Hospital and InstituteBeijing 100142China Key Laboratory of Carcinogenesis and translational research(Ministry of Education/Beijing) Department of Thoracic Oncology IIPeking University Cancer Hospital and InstituteBeijing 100142China Key Laboratory of Carcinogenesis and translational research(Ministry of Education) Department of PathologyPeking University Cancer Hospital and InstituteBeijing 100142China Peking University International Cancer Institute Beijing 100191China Institute of Cancer research Shenzhen Bay LaboratoryShenzhen 518132China

Chemoresistance is a significant barrier to effective cancer *** mechanisms for chemoresistance include reactive oxygen species(ROS)accumulation and expression of chemoresistance-promoting ***,we report a novel function of lncrna16 in the inhibition of ROS generation and the progression of *** analyzing the serum levels of lncrna16 in a cohort of 35 patients with non-small cell lung cancer(NSCLC)and paired serum samples pre-and post-treatment from 10 NSCLC patients receiving neoadjuvant platinum-based chemotherapy,performing immunohistochemistry(IHC)assays on 188 NSCLC tumor samples,using comprehensive identification of rna-binding proteins by mass spectrometry(ChIRP-MS)assays,as well as rna immunoprecipitation(RIP)and rna pull-down analyses,we discovered that patients with increased serum levels of lncrna16 exhibited a poor response to platinum-based *** expression of hemoglobin subunit beta(HBB)and NDUFAF5 significantly increases with the development of ***16 binds to HBB and promotes HBB accumulation by inhibiting ***16 can also inhibit ROS generation via the HBB/NDUFAF5 axis and function as a scaffold to facilitate the colocalization of HBB and NDUFAF5 in the ***,preclinical studies in mouse models of chemo-resistant NSCLC have suggested that lncrna16 targeting by trivalent N-acetylgalactosamine(GalNAc)-conjugated sirna restores chemosensitivity and results in tumor growth inhibition with no detectable toxicity in ***,lncrna16 is a promising therapeutic target for overcoming chemoresistance,and the combination of first-line platinum-based chemotherapy with lncrna16 intervention can substantially enhance anti-tumor efficacy.

关键词： chemoresistance lncrnarna interference ROs chemosensitizer

Numerical Analysis of Phase Change and Container Materials for Thermal Energy Storage in the Storage Tank of Solar Water Heating System

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Journal of Thermal Science 2024年第2期33卷 408-421页

作者： SINGH Shailendra ANAND Abhishek SHUKLA Amritanshu SHARMA Atul non-Conventional Energy Laboratory Rajiv Gandhi Institute of Petroleum TechnologyJais Amethi229304India

This study evaluates the effectiveness of phase change materials(PCMs) inside a storage tank of warm water for solar water heating(SWH) system through the theoretical simulation based on the experimental model of *** et *** model is explained by five fundamental equations for the calculation of various parameters like the effectiveness of PCMs,the mass of hot water,total heat content,and duration of *** study simulated eleven PCMs to analyze their effectiveness like Sodium hydrogen phosphate dodecahydrate(SHPD),OM 37,N-Eicosane(NE),Lauric acid(LA),Paraffin wax(PW),OM 48,Paraffin wax C_(20-33)(PW-C20-33),Sodium acetate trihydrate(SAT),Palmitic acid(PA),Myristic acid(MA),and Stearic acid(SA).Among all PCMs,the SHPD has found the highest value of effectiveness factor of ***,it is the most recommended PCM for the storage tank of the SWH *** study also includes the melt fraction analysis of all enumerated PCMs corresponding to container materials of stainless steel,glass,aluminum mixed,tin,aluminum,and *** melt fraction analysis is performed by making a coding program in the FORTRAN programming *** the analysis,copper container material is found to have high melting rate for all PCMs so it is superior to other container materials.

关键词： theoretical model solar water heating system phase change material effectiveness factor melt fraction

Cell reprogramming therapy for Parkinson’s disease

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Neural Regeneration research 2024年第11期19卷 2444-2455页

作者： Wenjing Dong Shuyi Liu Shangang Li Zhengbo Wang State Key Laboratory of Primate Biomedical research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunmingYunnan ProvinceChina Yunnan Key Laboratory of Primate Biomedical research KunmingYunnan ProvinceChina

Parkinson’s disease is typically characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars *** studies have been performed based on the supplementation of lost dopaminergic neurons to treat Parkinson’s *** initial strategy for cell replacement therapy used human fetal ventral midbrain and human embryonic stem cells to treat Parkinson’s disease,which could substantially alleviate the symptoms of Parkinson’s disease in clinical ***,ethical issues and tumor formation were limitations of its clinical *** pluripotent stem cells can be acquired without sacrificing human embryos,which eliminates the huge ethical barriers of human stem cell *** widely considered neuronal regeneration strategy is to directly reprogram fibroblasts and astrocytes into neurons,without the need for intermediate proliferation states,thus avoiding issues of immune rejection and tumor *** induced pluripotent stem cells and direct reprogramming of lineage cells have shown promising results in the treatment of Parkinson’s ***,there are also ethical concerns and the risk of tumor formation that need to be *** review highlights the current application status of cell reprogramming in the treatment of Parkinson’s disease,focusing on the use of induced pluripotent stem cells in cell replacement therapy,including preclinical animal models and progress in clinical *** review also discusses the advancements in direct reprogramming of lineage cells in the treatment of Parkinson’s disease,as well as the controversy surrounding in vivo *** findings suggest that cell reprogramming may hold great promise as a potential strategy for treating Parkinson’s disease.

关键词： animal models astrocytes autologous cell reprogramming cell therapy direct lineage reprogramming dopaminergic neurons induced pluripotent stem cells non-human primates Parkinson’s disease

Nε-carboxymethyl-lysine and inflammatory cytokines,markers and mediators of coronary artery disease progression in diabetes

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World Journal of Diabetes 2024年第4期15卷 575-578页

作者： Sonia Eiras translational Cardiology Health Research InstituteUniversity Hospital of Santiago de CompostelaSantiago de Compostela 15706Spain

This editorial refers to the article“Comparative analysis of Nε-carboxymethyllysine and inflammatory markers in diabetic and non-diabetic coronary artery disease patients”,published in the recent issue of the World Journal of Diabetes 2023 is based on glucose metabolism,advanced glycation end products(AGEs),inflammation and adiposity on diabetes and coronary artery disease(CAD).This study has included CAD patients who were stratified according to glycosylated hemoglobin higher than 6.5 and sex-matched.A higher prevalence of hypertension,dyslipidemia,and non-vegetarian diet were found in the diabetic *** risk factors might influence body weight and adiposity and explain the increment of the left *** this data was not supported by the *** diet can also explain the non-enzymatic reactions on lipids,proteins,or nucleic acids and consequently an increment of *** molecules can emit ***,one of the non-fluorescent and most abundant AGEs is Nε-carboxymethyl-lysine(CML).Its association with coronary artery stenosis and severity in the diabetic group might suggest its role as a player in CAD ***,CML,after binding with its receptor(RAGE),can induce calcification cascade through reactive oxygen species and mitogen-activated protein ***,this interaction AGE-RAGE can cause activation of the transcription nuclear factor-kb and induce inflammatory *** might explain the relationship between CML and pro-inflammatory cytokines in diabetic and CAD *** this is a population from one center,the determination of CML and inflammatory cytokines might improve the diagnosis of severe and progressive *** and comparative studies among glycosylated hemoglobin,CML,and other AGE levels according to diagnosis and prognosis value might modify the clinical *** these molecules are irreversible,they can act through a specific receptor inducing a signal transduction that might be modulate

关键词： Nε-carboxymethyl-lysine Inflammatory cytokines Adiposity Diabetes Coronary artery disease

Optimal strategy for treatment of sepsis based on the host inflammatory reaction and immune response

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Journal of Intensive Medicine 2024年第2期4卷 175-180页

作者： Hui Zhang Ning Dong Yongming Yao translational Medicine research Center Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General HospitalBeijingChina

Introduction Sepsis is a common complication following infections,burns,trauma,and major operations and has become the main cause of death in non-coronary intensive care *** was the most common reason for hospitalization(except in live born infants)in 2017,with 48.9 million cases reported worldwide.[1]A study found that sepsis led to 11.0 million deaths(which represented 19.7%of all global deaths)and has required the expenditure of 38.2 billion dollars for medical care.

关键词： dollar operations treatment

The role of proteasomes in tumorigenesis

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Genes & Diseases 2024年第4期11卷 155-169页

作者： Xiangyi Zhou Ruqing Xu Yue Wu Li Zhou Tingxiu Xiang Department of Oncology The First Affliated Hospital of Chongqing Medical UniversityChongqing 400016China Chongqing Key Laboratory of translational research for Cancer Metastasis and Individualized Treatment Chongqing University Cancer HospitalChongqing 400030China

Protein homeostasis is the basis of normal life activities,and the proteasomefamily plays an extremely important function in this *** proteasome 2os is a concentric circle structure with twoαrings and twoβrings *** proteasome 2os can perform both ATP-dependent and non-ATP-dependent ubiquitination proteasome degradation by binding to various subunits(such as 19S,11S,and 200 PA),which is performed by its active subunitβ1,β2,andβ*** proteasome can degrade misfolded,excess proteins tomaintain *** the same time,it can be utilized by tumors to degrade over-proliferate and unwanted proteins to support their *** can affect the development of tumors from several aspects including tumor signaling pathways such as NF-kB and p53,cell cycle,immune regulation,and drug ***-encoding genes have been found to be overexpressed in a variety of tumors,providing a potential novel target for cancer *** addition,proteasome inhibitors such as bortezomib,carfilzomib,and ixazomib have been put into clinical application as the first-line treatment of multiple *** and more studies have shown that it also has different therapeutic effects in other tumors such as hepatocellular carcinoma,non-small cell lung cancer,glioblastoma,and ***,proteasome inhibitors are not much effective due to their tolerance and singleness in other ***,further studies on their mechanisms of action and drug interactions are needed to investigate their therapeutic potential.

关键词： Bortezomib Cancer therapy Immunoproteasome Multiplemyeloma Proteasome 20S Proteasome inhibitor Thymoproteasom

Long-term in vivo chimeric cells tracking in non-human primate

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Protein & Cell 2024年第3期15卷 207-222页

作者： Junmo Wu Yu Kang Xiang Luo Shaoxing Dai Yuxi Shi Zhuoyao Li Zengli Tang Zhenzhen Chen Ran Zhu Pengpeng Yang Zifan Li Hong Wang Xinglong Chen Ziyi Zhao Weizhi ji Yuyu Niu State Key Laboratory of Primate Biomedical research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunming 650500China Yunnan Key Laboratory of Primate Biomedical research Kunming 650500China Faculty of Life Science and Technology Kunming University of Science and TechnologyKunming 650500China

non-human primates(NHPs)are increasingly used in preclinical trials to test the safety and efficacy of biotech-nology ***,given the ethical issues and costs associated with this model,it would be highly advantageous to use NHP cellular models in clinical ***,developing and maintaining the naive state of primate pluripotent stem cells(PSCs)remains difficult as does in vivo detection of PSCs,thus limiting biotech-nology application in the cynomolgus ***,we report a chemically defined,xeno-free culture system for culturing and deriving monkey PSCs in *** cells display global gene expression and genome-wide hypometh-ylation patterns distinct from monkey-primed *** also found expression of signaling pathways components that may increase the potential for chimera *** for biomedical applications,we were also able to integrate bioluminescent reporter genes into monkey PsCs and track them in chimeric embryos in vivo and in *** engineered cells retained embryonic and extra-embryonic developmental ***,we generated a chimeric monkey carrying bioluminescent cells,which were able to track chimeric cells for more than 2 years in living *** study could have broad utility in primate stem cell engineering and in utilizing chimeric monkey models forclinical studies.

关键词： pluripotent stem cells bioluminescence imaging non-human primates