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Manipulating d-d orbital hybridization induced by Mo-doped Co_(9)S_(8) nanorod arrays for high-efficiency water electrolysis

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Journal of Energy Chemistry 2024年第6期93卷 592-600,I0015页

作者： xue Zhou jing Li Guangyao Zhou Weiran Huang Yucan Zhang Jun yang Huan Pang Mingyi Zhang Dongmei Sun Yawen Tang Lin Xu Jiangsu Key Laboratory of New Power Batteries Jiangsu Collaborative Innovation Centre of Biomedical Functional MaterialsSchool of Chemistry and Materials ScienceNanjing Normal UniversityNanjing 210023JiangsuChina 'College of Science Jinling Institute of TechnologyNanjing 211169JiangsuChina State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China Nanjing IPE Institute of Green Manufacturing Industry Nanjing 211100JiangsuChina School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225009JiangsuChina Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of EducationSchool of Physics and Electronic EngineeringHarbin Normal UniversityHarbin 150025HeilongjiangChina

Precisely refining the electronic structure of electrocatalysts represents a powerful approach to further optimize the electrocatalytic ***,we demonstrate an ingenious d-d orbital hybridization concept to construct Mo-doped Co_(9)S_(8) nanorod arrays aligned on carbon cloth(CC)substrate(abbreviated as Mo-Co_(9)S_(8)@CC hereafter)as a high-efficiency bifunctional electrocatalyst toward water *** has experimentally and theoretically validated that the 4d-3. orbital coupling between Mo dopant and Co site can effectively optimize the H_(2)O activation energy and lower H^(*)adsorption energy barrier,thereby leading to enhanced hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)*** to the unique electronic and geometrical advantages,the optimized Mo-Co_(9)S_(8)@CC with appropriate Mo content exhibits outstanding bifunctional performance in alkaline solution,with the overpotentials of 75 and 23. mV for the delivery of a current density of 10 mA cm^(-2),small Tafel slopes of 53.8 and 3..9 mV dec~(-1)and long-term stabilities for at least 3. and 3. h for HER and OER,*** impressively,a water splitting electrolylzer assembled by the self-supported Mo-Co_(9)S_(8)@CC electrode requires a low cell voltage of 1.53.V at 10 mA cm^(-2)and shows excellent stability and splendid reversibility,demonstrating a huge potential for affordable and scalable electrochemical H_(2) *** innovational orbital hybridization strategy for electronic regulation herein provides an inspirable avenue for developing progressive electrocatalysts toward new energy systems.

关键词： d-d orbital hybridization Transition metal sulfides Nanorods arrays Water electrolysis

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The role of modern logistics industry to promote the circulation of agricultural products

The role of modern logistics industry to promote the circula...

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作者： bai xue yah,yang jing {3. university of Commerce 150028,heilongjiang,{3.,china

To accelerate the circulation of agricultural products,to promote the changes of traditional agriculture to modern agriculture,to achieve valueadded of agricultural products,to increase the incomes of farmers,to promote the structure adjustment of agriculture,and to speed up the process of agricultural modernization are the important issues which require more our *** on the analysis of the current situation of agricultural product circulation and existing problems,the development of modern logistics industry put forward especially solves the existing problems and improves the efficiency of agricultural logistics.

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Introduction of rare-earth element Sc in alloy design to modify wear features of dual-phase high-entropy alloy

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Rare Metals 2024年第2期43卷 817-828页

作者： Hao Ren Rui-Run Chen xue-Feng Gao Tong Liu Gang Qin Yu-Lung Chiu Shi-Ping Wu jing-Jie Guo Guo National Key Laboratory for Precision Hot Processing of Metals School of Materials Science and EngineeringHarbin Institute of TechnologyHarbin150001China School of Metallurgy and Materials University of BirminghamBirminghamB152TTUK

Tailoring the alloy composition,which induces the hard secondary phase to increase hardness and strength to improve the wear features,is a feasible approach for developing wear-resistant metal ***,a group of(AlCoCrFeNi)_(100–x)Sc_(x)(x=0–2.0,at%)high-entropy alloys(HEAs)are designed and the phase compositions and wear behaviors are ***-doped HEA series contain the primary body-centered cubic(BCC)and eutectic phases,in which the eutectic phase is composed of the alternately grown BCC and Laves *** addition promotes the diffusion of Ni atoms from BCC phase to form the Sc-rich Laves phase at the grain *** hardness increases due to solid solution strengthening and second phase *** the second phase strengthening plays a more significant role relative to solid solution *** phase and the oxides caused by wear heating prevent the direct contact between friction pair and HEAs,thus inducing a decreased wear rate from 6.82×10^(−5) to 3.47×10^(−5)m^(3.·N^(−1)·m^(−1).Moreover,the wear mechanism changes from adhesive wear,abrasive wear and oxidative wear to abrasive wear and oxidative wear.

关键词： High entropy alloy(HEA) Laves phase Hardness Wear mechanism

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A Hf-doped dual-phase high-entropy alloy: phase evolution and wear features

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Rare Metals 2024年第1期43卷 324-333页

作者： Hao Ren Rui-Run Chen xue-Feng Gao Tong Liu Gang Qin Yu-Lung Chiu Shi-Ping Wu jing-Jie Guo National Key Laboratory for Precision Hot Processing of Metals School of Materials Science and EngineeringHarbin Institute of TechnologyHarbin 150001China School of Metallurgy and Materials University of BirminghamEdgbastonBirmingham B152TTUK

Initially defined high entropy alloys(HEAs)usually exhibit a single-phase solid-solution ***,two and/or more types of phases in HE As possibly induce the desired microstructure features,which contribute to improving the wear properties of HE ***,we prepare a series of(AlCoCrFeNi)_(100-x)Hf_(x)(x=0,2,4and 6;at%) HEAs and concern their phase compositions,micro structures and wear *** leads to the formation of(Ni,Co)_(2)Hf-type Laves phase and tailors the microstructure from a body-centered cubic(BCC) singlephase structure to a hypoeutectic *** increased hardness from~HV 512.3.to~HV 73..1 is due to solid-solution strengthening,grain refinement strengthening and precipitated phase *** a few oxides(Al_(2)O_(3.+Cr_(2)O_(3.) caused by the wear heating contribute to an 85.5% decrease in wear rate of the HEA system from6.71×10^(-5) to 0.97×10^(-5) m^(3.·N^(-1)·m^(-1).In addition,Hf addition changes the wear mechanism from abrasive wear,mild oxidative wear and adhesive wear to oxidative wear and adhesive wear.

关键词： High entropy alloy Laves phase Hardness Wear mechanism

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The complex roles of m^(6)A modifications in neural stem cell proliferation, differentiation, and self-renewal and implications for memory and neurodegenerative diseases

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Neural Regeneration Research 2025年第6期20卷 1582-1598页

作者： Yanxi Li jing xue Yuejia Ma Ke Ye xue Zhao Fangliang Ge Feifei Zheng Lulu Liu Xu Gao Dayong Wang Qing Xia Department of Biochemistry and Molecular Biology College of Basic Medical SciencesHarbin Medical UniversityHarbinHeilongjiang ProvinceChina College of Basic Medical Sciences Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Basic Medical Institute Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Key Laboratory of heilongjiang Province for Genetically Modified Animals Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Translational Medicine Research and Cooperation Center of Northern china Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Dongzhimen Hospital Beijing University of Chinese MedicineBeijingChina

N6-methyladenosine(m^(6)A), the most prevalent and conserved RNA modification in eukaryotic cells, profoundly influences virtually all aspects of mRNA metabolism. mRNA plays crucial roles in neural stem cell genesis and neural regeneration, where it is highly concentrated and actively involved in these processes. Changes in m^(6)A modification levels and the expression levels of related enzymatic proteins can lead to neurological dysfunction and contribute to the development of neurological diseases. Furthermore, the proliferation and differentiation of neural stem cells, as well as nerve regeneration, are intimately linked to memory function and neurodegenerative diseases. This paper presents a comprehensive review of the roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, as well as its implications in memory and neurodegenerative diseases. m^(6)A has demonstrated divergent effects on the proliferation and differentiation of neural stem cells. These observed contradictions may arise from the time-specific nature of m^(6)A and its differential impact on neural stem cells across various stages of development. Similarly, the diverse effects of m^(6)A on distinct types of memory could be attributed to the involvement of specific brain regions in memory formation and recall. Inconsistencies in m^(6)A levels across different models of neurodegenerative disease, particularly Alzheimer's disease and Parkinson's disease, suggest that these disparities are linked to variations in the affected brain regions. Notably, the opposing changes in m^(6)A levels observed in Parkinson's disease models exposed to manganese compared to normal Parkinson's disease models further underscore the complexity of m^(6)A's role in neurodegenerative processes. The roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, and its implications in memory and neurodegenerative diseases, appear contradictory. These inconsistencies may be a

关键词： Alzheimer's disease cell self-renewal central nervous system memory microglia nerve regeneration neurodegenerative diseases neurogenesis RNA methylation

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NHE7 upregulation potentiates the uptake of small extracellular vesicles by enhancing maturation of macropinosomes in hepatocellular carcinoma

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Cancer Communications 2024年第2期44卷 251-272页

作者： Yue Yao Yi Xu Liang Yu Ting-Mao xue Zhi-Jie Xiao Pui-Chi Tin Hiu-Ling Fung Hoi-Tang Ma jing-Ping Yun Judy Wai Ping Yam Department of Pathology School of Clinical MedicineLi Ka Shing Faculty of MedicineThe University of Hong KongHong KongP.R.China Department of Endocrinology and Metabolism Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjingP.R.China Department of Hepatopancreatobiliary Surgery Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjingP.R.China State Key Laboratory of Oncology in South china Cancer Center of Sun Yat-sen UniversityGuangzhouGuangdongP.R.China Department of Hepatobiliary Surgery II Zhujiang HospitalSouthern Medical UniversityGuangzhouGuangdongP.R.China Scientific Research Center The Seventh Affiliated HospitalSun Yat-sen UniversityShenzhenGuangdongP.R.China State Key Laboratory of Liver Research The University of Hong KongHong KongP.R.China Department of Pathology Cancer Center of Sun Yat-sen UniversityGuangzhouGuangdongP.R.China

Background:Small extracellular vesicles(sEVs)mediate intercellular commu-nication that contributes to hepatocellular carcinoma(HCC)progression via multifaceted *** success of cell entry determines the effect of sEV on recipient ***,we aimed to delineate the mechanisms underlying the uptake of sEV in ***:AF,Alexa Fluor;ANOVA,analysis of variance;ATP9A,ATPase Phospholipid Transporting 9A;BCECF-AM,2’,7’-bis-(2-barboxyethyl)-5-(and-6)-carboxyfluorescein,acetoxymethyl ester;BSA,bovine serum albumin;CCMR,Centre for Comparative Medicine Research;CRISPR,clustered regularly interspaced short palindromic repeats;CTL,ctrl;CXCR4,C-X-C Chemokine Receptor Type 4;DAPI,4′,6-diamidino-2-phenylindole;DFS,disease-free survival;DMEM,Dulbecco’s Modified Eagle Medium;DMSO,dimethyl sulfoxide;Dox,doxycycline;EEA1,early endosome antigen 1;EIPA,5-(N-ethyl-N-isopropyl)-amiloride;FBS,fetal bovine serum;FITC,fluorescein isothiocyanate;GAPDH,glyceraldehyde-3.phosphate dehydrogenase;GM13.,Golgi matrix protein 13.;HCC,hepatocellular carcinoma;HEPES,4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid;HPRT1,hypoxanthine phosphoribosyltransferase 1;H-score,histoscore;IAA,indole-3.acetic acid;KD,knockdown;KO,knockout;mAID,mini-auxin-inducible degron;MTT,3.(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide;NHE7,Na(+)/H(+)exchanger 7;ns,non-significant;OD,optical density;OS,overall survival;PBS,phosphate-buffered saline;PCR,polymerase chain reaction;pHe,endosomal pH;pHi,intracellular pH;PKH67,Paul Karl Horan 67;Rab21,Ras-associated binding protein 21;RIPA,radioimmunoprecipitation assay;SAM,synergistic activation mediator;SEMs,standard error of the means;sEVs,small extracellular vesicles;sgRNA,single-guide RNA;shRNA,short-hairpin RNA;SLC9,solute carrier gene 9;SLiCE,Seamless Ligation Cloning Extract;TCGA,The Cancer Genome Atlas;TCL,total cell lysates;TGN,trans-Golgi network;TMA,tissue microarray;TMR,tetramethyl rhodamine;TSG101,tumor susceptibility gene *** Yao an

关键词： hepatocellular carcinoma small extracellular vesicles macropinocytosis pH regulation sodium-hydrogen exchanger

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Early changes of hepatic hemodynamics measured by functional CT perfusion in a rabbit model of liver tumor

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Hepatobiliary & Pancreatic Diseases International 2012年第4期11卷 407-411页

作者： Guo-Lin Ma,Rong-Jie bai,Hui-Jie Jiang,xue-Jia Hao,Xu-Peng Dong,Da-Qing Li,Xin-Ding Liu and Lai Wei Department of Radiology,china-Japan Friendship Hospital,Bei{3. 100029,china Department of Radiology,Bei{3. Jishuitan Hospital,Bei{3. 10003.,china Department of Radiology,Second Affiliated Hospital,harbin Medical university,harbin 150086,china [a] Department of Radiology China-Japan Friendship Hospital Beijing 100029 China [b] Department of Radiology Beijing Jishuitan Hospital Beijing 100035 China [c] Department of Radiology Second Affiliated Hospital Harbin Medical University Harbin 150086 China

BACKGROUND:Early detection and treatment of hepatocellular carcinoma is crucial to improving the patients’ *** hemodynamic changes caused by tumors can be serially measured using CT *** this study,we used a CT perfusion technique to demonstrate the changes of hepatic hemodynamics in early tumor growth,as a proof-of-concept study for human early hepatocellular ***:VX2 tumors were implanted in the liver of ten New Zealand *** perfusion scans were made 1 week(early) and 2 weeks(late) after tumor *** normal rabbits served as *** perfusion parameters were obtained at the tumor rim,normal tissue surrounding the tumor,and control liver;the parameters were hepatic blood flow,hepatic blood volume,mean transit time,permeability of capillary vessel surface,hepatic arterial index,hepatic arterial perfusion and hepatic portal *** density and vascular endothelial growth factor were ***:At the tumor rim,compared to the controls,hepatic blood flow,hepatic blood volume,permeability of capillary vessel surface,hepatic arterial index,and hepatic arterial perfusion increased,while mean transit time and hepatic portal perfusion decreased on both early and late scans(P3.%,P<0.05),combined with a sharp increase in hepatic arterial perfusion(182%,P<0.05) and a marked decrease in hepatic portal perfusion(-76%,P<0.05) at 2 weeks rather than at 1 week(P<0.05).Microvessel density and vascular endothelial growth factor showed significant linear correlations with hepatic blood flow,permeability of capillary vessel surface and hepatic arterial index,but not with hepatic blood volume or mean transit ***:The CT perfusion technique demonstrated early changes of hepatic hemodynamics in this tumor model as proof-of-concept for early hepatocellular carcinoma detection in humans.

关键词： liver tumor computed tomography hemodynamic animal model perfusion imaging

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Effect of cis-9,trans-11-conjugated linoleic acid on cell cycle of gastric adenocarcinoma cell line(SGC-7901)

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World Journal of Gastroenterology 2002年第2期8卷 224-229页

作者： Jia-Ren Liu bai-Xiang Li Bing-Qing Chen Ying-ben xue Yan-Mei yang Yu-Mei Zheng,Department of Toxicological Health,Public Health College,{3. Medical university,{3. 150001,heilongjiang Province,china Xiao-Hui Han ICU of Cardiological Surgery,The Second Hospital,{3. Medical university,{3. 150001,heilongjiang Province,china Rui-Hai Liu,Food Science and Toxicology,Department of Food Science,Cornell university,Ithaca,NY 14853.7201,USA Department of Toxicological Health Public Health College Harbin Medical University 199 Dongdazhi Street Nangang District Harbin 150001 Heilongjiang Province China. jiarenliu@***

AIM: To determine the effect of cis -9, trans -11-conjugated linoleic acid (c9, t11-CLA) on the cell cycle of gastric cancer cells (SGC-7901) and its possible mechanism in inhibition cancer growth. METHODS: Using cell culture and immunocytochemical techniques, we examined the cell growth, DNA synthesis, expression of PCNA, cyclin A, B(1), D(1), p16(ink4a) and p21(cip/waf1) of SGC-7901 cells which were treated with various c9, t11-CLA concentrations (25, 50, 100 and 200 micromol.L(-1))of c 9, t 11-CLA for 24 and 48h, with a negative control (0.1% ethane). RESULTS: The cell growth and DNA synthesis of SGC-7901 cells were inhibited by c9, ***-7901 cells. Eight day after treatment with various concentrations of c9, t11-CLA mentioned above, the inhibition rates were 5.92%, 20.15%, 75.61% and 82.44%, respectively and inhibitory effect of c9, t11-CLA on DNA synthesis (except for 25 micromol.L, 24h) showed significantly less (3.H-TdR incorporation than that in the negative controls (P3.0%, 24h and 9.1-0.9% at 48h, respectively), Cyclin A (11.0-2.3., 24h and 8.5-0.5%,48h), B(1) (4.8-1.8% at 24h and 5.5-0.6% at 48h)and D(1) (3.6-1.4% at 24h and 3.7%-0 at 48h) as compared with those in the negative controls(the expressions of PCNA, Cyclin A, B(1) and D(1) were 6.5% at 24h and 9.0% at 48h, 4.2% at 24h and 5.1% at 48h, 9.5% at 24h and 6.0% at 48h,respectively)(P<0.01), whereas the expressions of P16(ink4a) and P21(cip/waf1), cyclin-dependent kinases inhibitors(CDKI), were increased. CONCLUSION: The cell growth and proliferation of SGC-7901 cell is inhibited by c9, t11-CLA via blocking the cell cycle, with reduced expressions of cyclin A,B(1) and D(1) and enhanced expressions of CDKI(P16(ink4a) and p21(cip/waf1)).

关键词： Linoleic Acids, Conjugated Adenocarcinoma Animals Cell Cycle Cell Division Cyclin A Cyclin B Cyclin D1 Cyclin-Dependent Kinase Inhibitor p16 Cyclin-Dependent Kinase Inhibitor p21 Cyclins Enzyme Inhibitors Humans Immunohistochemistry Linoleic Acids Proliferating Cell Nuclear Antigen Research Support, Non-U.S. Gov't Stomach Neoplasms Tumor Cells, Cultured

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The role of gut microbiota in acute pancreatitis:new perspectives in pathogenesis and therapeutic approaches

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Journal of Pancreatology 2024年第1期7卷 61-71页

作者： Zu-Chao Du Guan-Qun Li Yan Luo xue-Wei bai Bei Sun Department of Pancreatic and Biliary Surgery the First Affiliated Hospital of Harbin Medical UniversityHarbinChina Key Laboratory of Hepatosplenic Surgery Ministry of Educationthe First Affiliated Hospital of Harbin Medical UniversityHarbinChina Department of Hepatobiliary and Pancreatic Surgery Qunli Branchthe First Affiliated Hospital of Harbin Medical UniversityHarbinChina Key Laboratory of Critical Care Research Qunli Branchthe First Affiliated Hospital of Harbin Medical UniversityHarbinChina

Acute pancreatitis(AP)is one of the most common acute abdomen diseases with increasing incidence and substantial healthcare *** microbiota disturbance,mucosal barrier failure,and bacterial translocation are identified as the dominant cause of infected pancreatic necrosis and high *** the advance of high-throughput sequencing,imbalance between beneficial and facultative pathogenic microorganisms with their metabolic activities in the development of AP has been increasingly recognized,whereas it remains unclear whether dysbacteriosis is the dominant cause of aggravating AP,or merely reflecting different epidemiological or environmental factors at the individual *** review discussed the alterations of the gut microbiota and their metabolites during AP with detailed molecular ***,it highlights microbiome-based medical therapies which influence gut barrier function and immune homeostasis to mitigate inflammatory responses in *** review will provide a novel roadmap of gastrointestinal microecology in AP progression,and contribute to the future development of microbiome-based diagnostic and therapeutic strategies in clinical practice.

关键词： Acute pancreatitis Immunity Metabolites Microbiome-based therapeutics Microbiota

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RUNX3.inhibits cell proliferation and induces apoptosis by TGF-beta dependent and TGF-beta independent mechanisms in the human colon carcinoma cell line HT-29

RUNX3 inhibits cell proliferation and induces apoptosis by T...

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中国遗传学会第八次代表大会暨学术讨论会

作者： TONG Dan-Dan~1 JIANG Ying~2 LI Ming~3.MENG Xiang-Ning~3.ZHAO Yu-Zhen~3.JIN Yan~3.bai jing~3.FU Song-Bin~(3.4) GENG jing-Shu~5 1.Department Of Pathology,{3. Mediacal university,{3. 150081,china 2.The Second Affiliated Hospital,{3. Mediacal university,{3. 150081,china 3.Laboratory Of Medical Genetics,{3. Mediacal university,{3. 150081,china 4.Bio-pharmaceutical Key Laboratory of heilongjiang Province,{3. 150081,china 5.The Third Affiliated Hospital,{3. Mediacal university,{3. 150081,china

TGF-beta-resistant human colon cancer cell line HT-29 has inactivated TβRII,deficient expression of RUNX3.Bim and Smad4,which were all involved into TGF-beta signaling pathway. In present study,after RUNX3.gene expression was reinstated in HT-29/RUNX3. cell lines,in the absense of TGF-beta,Bim was upregulated,cell growth was inhibited and apoptosis was induced. When TGF-beta was added to HT-29/RUNX3. cells,Runx3.expression was unaffected,Bim expression was increased significantly compared to HT-29/RUNX3. without TGF-beta,and it is time ***,Smad4 but not Smad2/3.was upregulated time dependent in the presence of TGF-beta in HT-29/RUNX3. cells,which was not found in HT-29/RUNX3. cells with TGF-beta. As expected,TGF-beta further inhibited cell growth and induced apoptosis of HT-29/RUNX3. cells. In short,our datas demonstrated that RUNX3.was involved into the TGF-beta independent RUNX3.Bim-ceil growth inhibition and apoptosis pathway and TGF-β-RUNX3.Smad4/Bim-cell growth inhibition and apoptosis pathway in HT-29/RUNX3. cells.

关键词： RUNX3 Smad TGF-beta Bim apoptosis growth inhibition

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