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204篇 您的检索式:作者名="GENG Liang"
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1Ganoderic acid hinders renal fibrosis via suppressing the TGF- β/Smad and MAPK signaling pathways显示文摘Renal fibrosis is considered as the pathway of almost all kinds of chronic kidney diseases(CKD)to the end stage of renal diseases(ESRD).Ganoderic acid(GA)is a group of lanostane triterpenes isolated from Ganoderma lucidum,which has shown a variety of pharmacological activities.In this study we investigated whether GA exerted antirenal fibrosis effect in a unilateral ureteral obstruction(UUO)mouse model.After UUO surgery,the mice were treated with GA(3.125,12.5,and 50 mg·kg^−1·d^−1,ip)for 7 or 14 days.Then the mice were sacrificed for collecting blood and kidneys.We showed that GA treatment dose-dependently attenuated UUO-induced tubular injury and renal fibrosis;GA(50 mg·kg^−1·d^−1)significantly ameliorated renal disfunction during fibrosis progression.We further revealed that GA treatment inhibited the extracellular matrix(ECM)deposition in the kidney by suppressing the expression of fibronectin,mainly through hindering the over activation of TGF-β/Smad signaling.On the other hand,GA treatment significantly decreased the expression of mesenchymal cell markers alpha-smooth muscle actin(α-SMA)and vimentin,and upregulated E-cadherin expression in the kidney,suggesting the suppression of tubular epithelial-mesenchymal transition(EMT)partially via inhibiting both TGF-β/Smad and MAPK(ERK,JNK,p38)signaling pathways.The inhibitory effects of GA on TGF-β/Smad and MAPK signaling pathways were confirmed in TGF-β1-stimulated HK-2 cell model.GA-A,a GA monomer,was identified as a potent inhibitor on renal fibrosis in vitro.These data demonstrate that GA or GA-A might be developed as a potential therapeutic agent in the treatment of renal fibrosis.Xiao-qiang Geng Ang Ma Jin-zhao He Liang Wang Ying-li Jia Guang-ying Shao Min Li Hong Zhou Shu-qian Lin Jian-hua Ran Bao-xue Yang 2020Acta Pharmacologica Sinica2020,41,5:43
2Interferon-Gamma Release Assay is Not Appropriate for the Diagnosis of Active Tuberculosis in High-Burden Tuberculosis Settings: A Retrospective Multicenter Investigation显示文摘Wan-Li Kang Gui-Rong Wang Mei-Ying Wu Kun-Yun Yang Er-Tai A Shu-Cai Wu Shu-Jun Geng Zhi-Hui Li Ming-Wu Li Liang Li Shen-Jie Tang 2018Chinese Medical Journal2018,,3:30
3Meta-analysis comparison of endoscopic papillary balloon dilatation and endoscopic sphincteropapillotomy显示文摘AIM: To assess endoscopic papillary balloon dilatation (EPBD) and endoscopic sphincteropapillotomy (EST) for common bile duct (CBD) stone removal using a meta-analysis. METHODS: Randomized controlled trials published from 1990 to 2012 comparing EPBD with EST for CBD stone removal were evaluated. This meta-analysis was performed to estimate short-term and long-term com-plications of these two treatments. The fixed random effect model or random effect model was established to analysis the data. Results were obtained by analyz-ing the relative risk, odds ratio, and 95%CI for a given comparison using RevMan 5.1. Statistical significance was defined asP < 0.05. Risk of bias was evaluated us-ing a funnel plot. RESULTS: Of the 1975 patients analyzed, 980 of them were treated with EPBD and 995 were treated with EST. Of the patient population, patients in the EPBDgroup were younger (OR=-1.16, 95%CI:-1.49 to 0.84, P<0.01). There were no significant differences in gender proportion, average size of stones, number of gallstones, previous cholecystectomy, the incidence of duodenal diverticulum, CBD diameter or the total follow-up time between EST and EPBD groups. Com-pared with EST, the total stone clearance in the EPBD group decreased (OR=0.64, 95%CI: 0.42 to 0.96,P=0.03), the use of stone extraction baskets significantly increased (OR=1.91, 95%CI: 1.41 to 2.59, P<0.01), and the incidence of pancreatitis significantly increased (OR=2.79, 95%CI: 1.74 to 4.45, P<0.0001). The incidence of bleeding (OR=0.12, 95%CI: 0.04 to 0.34, P<0.01) and cholecystitis (OR=0.41, 95%CI: 0.20 to 0.84, P=0.02) significantly decreased. The stone re-currence rate also was significantly reduced in EPBD (OR=0.48, 95%CI: 0.26 to 0.90, P=0.02). There were no significant differences between the two groups with the incidence of stone removal at first attempt, hours of operation, total short-term complications and infection, perforation, or acute cholangitis. CONCLUSION: Although the incidence of pancreatitis was higher, the overall stone clearance rate and risk of bleeding was lower with EPBD compared to EST.Hong-Chuan Zhao Liang He Da-Chen Zhou Xiao-Ping Geng Fa-Ming Pan 2013World Journal of Gastroenterology2013,19,24:27
45-Methylcytosine RNA Methylation in Arabidopsis Thaliana显示文摘5-Methylcytosine (m 5 C ) 是描绘得好的 DNA 修正,并且主要也在初核质和优核质在丰富的非编码的 RNA 被报导。然而,分发和 m 5 在植物 mRNAs 的 C 仍然保持大部分未知。这里,我们报导 RNA m 5 在由使用 m 5 C RNA immunoprecipitation 由一条深定序的途径列在后面(m 5 C-RIP-seq ) 。LC-MS/MS 和点污点分析揭示 m 5 在各种各样的纸巾并且在不同发展阶段的 C mRNA 修正。m 5 C-RIP-seq 分析识别了 6045 m 5 在 4465 的 C 山峰在年轻幼苗表示了基因。我们发现那 m 5 C 在编码序列,二座山峰在开始 codons 以后并且在站 codons 前立即定位了被充实,并且随低翻译与 mRNAs 被联系活动。我们进一步表明了那 RNA (cytosine-5 )-methyltransferase,tRNA 特定的 methyltransferase 4B (TRM4B ) ,展览 m 5 C RNA methyltransferase 活动。在 TRM4B 的变化在根开发和减少的 m 5 C 山峰。TRM4B 影响涉及根开发的基因的抄本层次,它断然与他们的 mRNA 稳定性和 m 5 C 层次。我们的结果建议那 m 5 在 mRNA 的 C 是新 epitranscriptome 标记 inArabidopsis,并且这修正的那条规定是基因的不可分的部分规章的网络位于 \O 下面植物开发。Xuean Cui Zhe Liang Lisha Shen Qian Zhang Shengjie Bao Yuke Geng Bin Zhang Vonny Leo Leah A. Vardy Tiegang Lu Xiaofeng Gu Hao Yu 2017Molecular Plant2017,10,11:19
5Punicalagin ameliorates collagen-induced arthritis by downregulating M1 macrophage and pyroptosis via NF-κB signaling pathway显示文摘Rheumatoid arthritis(RA)is a chronic inflammatory disease that eventually leads to disability.Inflammatory cell infiltration,severe joint breaking and systemic bone loss are the main clinical symptoms.In this study,we established a collagen-induced arthritis(CIA)model and found a large number of M1 macrophages and pyroptosis,which are important sources of proinflammatory cytokines.Punicalagin(PUN)is an active substance extracted from pomegranate peel.We found that it inhibited joint inflammation,cartilage damage and systemic bone destruction in CIA mice.PUN effectively alleviated the high expression of inflammatory cytokines in synovial tissue in vivo.PUN treatment shifted macrophages from the M1 phenotype to the M2 phenotype after stimulation with lipopolysaccharide(LPS)and interferon(IFN)-γ.The expression of inducible nitric oxide synthase(i NOS)and other proinflammatory cytokines released by M1 macrophages was decreased in the PUN treatment group.However,simultaneously,the expression of markers of anti-inflammatory M2 macrophages,such as arginase(Arg)-1 and interleukin(IL)-10,was increased.In addition,PUN treatment attenuated pyroptosis by downregulating the expression of NLRP3 and caspase-1,thereby preventing inflammatory cell death resulting from the release of IL-1βand IL-18.Mechanistically,PUN inhibited the activation of receptor activators of the nuclear factor-κB(NF-κB)signaling pathway,which contributes to M1 polarization and pyroptosis of macrophages.We concluded that PUN ameliorated pathological inflammation by inhibiting M1 phenotype polarization and pyroptosis and has great potential as a therapeutic treatment for human RA.Gaoran Ge Jiaxiang Bai Qing Wang Xiaolong Liang Huaqiang Tao Hao Chen Minggang Wei Junjie Niu Huilin Yang Yaozeng Xu Yuefeng Hao Yi Xue Dechun Geng 2022Science China(Life Sciences)2022,65,3:14
6Chemical screen identifies a geroprotective role of quercetin in premature aging显示文摘Aging increases the risk of various diseases. The main goal of aging research is to find therapies that attenuate aging and alleviate aging-related diseases. In this study, we screened a natural product library for geroprotective compounds using Werner syndrome (WS) human mesenchymal stem cells (hMSCs), a premature aging model that we recently established. Ten candidate compounds were identified and quercetin was investigated in detail due to its leading effects. Mechanistic studies revealed that quercetin alleviated senescence via the enhancement of cell proliferation and restoration of heterochromatin architecture in WS hMSCs. RNA-sequencing analysis revealed the transcriptional commonalities and differences in the geroprotective effects by quercetin and Vitamin C. Besides WS hMSCs, quercetin also attenuated cellular senescence in Hutchinson-Gilford progeria syndrome (HGPS) and physiological-aging hMSCs. Taken together, our study identifies quercetin as a geroprotective agent against accelerated and natural aging in hMSCs, providing a potential therapeutic intervention for treating age-associated disorders.Lingling Geng Zunpeng Liu Weiqi Zhang Wei Li Zeming Wu Wei Wang Ruotong Ren Yao Su Peichang Wang Liang Sun Zhenyu Ju Piu Chan Moshi Song Jing Qu Guang-Hui Liu 2019Protein & Cell2019,10,6:13
7Low-dose quercetin positively regulates mouse healthspan显示文摘Dear Editor,Aging is the leading risk factor for many chronic diseases,accounting for almost 60%of all deaths worldwide.How to achieve healthy aging,alleviate aging-related diseases,and extend healthspan has become a main topic of biomedical research(He et al.,2019).Geroprotective compounds,such as metformin and rapamycin,have been shown to improve both healthspan and lifespan in mice(Martin-Montalvo et al.,2013;Bitto et al.,2016),whereas nicotinamide partially improves healthspan in mice(Mitchell et al.,2018).Lingling Geng Zunpeng Liu Si Wang Shuhui Sun Shuai Ma Xiaoqian Liu Piu Chan Liang Sun Moshi Song Weiqi Zhang Guang-Hui Liu Jing Qu 2019Protein & Cell2019,10,10:12
8Chang'E-1 Lunar Mission:An Overview and Primary Science Results显示文摘Chang'E-1 is the first lunar mission in China,which was successfully launched on Oct.24th,2007.It was guided to crash on the Moon on March 1,2009,at 52.36°E,1.50°S,in the north of Mare Fecunditatis.The total mission lasted 495 days,exceeding the designed life-span about four months.1.37Terabytes raw data was received from Chang'E-1.It was then processed into 4Terabytes science data at different levels.A series of science results have been achieved by analyzing and applicating these data,especially 'global image of the Moon of China's first lunar exploration mission'.Four scientific goals of Chang'E-1 have been achieved.It provides abundant materials for the research of lunar sciences and cosmochemistry.Meanwhile these results will serve for China's future lunar missions.Ouyang Ziyuan Li Chunlai Lu Chang Liu Jianzhong Zou Yongliao Zhang Hongbo Jianjun Zuo Wei Su Yah Wen Weibin Bian Wei Zhao Baochang Wang Jianyu Yang Jianfeng Chang Jin Wang Huanyu Zhang Xiaohui Wang Shijin Wang Min Ren Xin Mu Lingli Kong Deqing Wang Xiaoqian Wang Fang Geng Liang Zhang Zhoubin Zheng Lei Zhu Xinying Zheng Yongchun Li Junduo Zou Xiaoduan Xu Chun Shi Shuobiao Gao Yifei Gao Guannan 2010空间科学学报2010,30,5:11
9DAZL is a master translational regulator of murine spermatogenesis显示文摘Expression of DAZ-like(DAZL)is a hallmark of vertebrate germ cells,and is essential for embryonic germ cell development and differentiation,yet the gametogenic function of DAZL has not been fully characterized and most of its in vivo direct targets remain unknown.We showed that postnatal stage-specific deletion of Dazl in mouse germ cells did not affect female fertility,but caused complete male sterility with gradual loss of spermatogonial stem cells,meiotic arrest and spermatid arrest.Using the genome-wide high-throughput sequencing of RNAs isolated by cross-linking immunoprecipitation and mass spectrometry approach,we found that DAZL bound to a large number of testicular mRNA transcripts(at least 3008)at the 3′-untranslated region and interacted with translation proteins including poly(A)binding protein.In the absence of DAZL,polysome-associated target transcripts,but not their total transcripts,were significantly decreased,resulting in a drastic reduction of an array of spermatogenic proteins and thus developmental arrest.Thus,DAZL is a master translational regulator essential for spermatogenesis.Haixin Li Zhuqing Liang Jian Yang Dan Wang Hanben Wang Mengyi Zhu Baobao Geng Eugene Yujun Xu 2019National Science Review2019,6,3:11
10Nature:研究鉴定出蛋白Nlrp9b抵抗轮状病毒感染机制显示文摘轮状病毒(rotavirus)是婴儿和儿童罹患肠胃炎和腹泻的一种最为常见的原因,每年导致全世界大约21.5万人死亡。它是高度传染性的和潜在致命性的。这种病毒特异性地感染宿主小肠中的肠上皮细胞,并且已进化出抵抗干扰素和NF-KB信号的策略来躲避免疫系统,这就提出一个问题:其他的宿主因子是否参与肠道粘膜中的抗病毒反应。不过,针对体内(特别是通过NLR炎性体)检测和限制肠道病毒的机制,人们知之甚少。Shu Zhu, Zheng Wei, Noah W. Palm, Yi Yang, Hua Yu, Hua-Bing Li, Geng Wang, Xuqiu Lei, Marcel R. de Zoete, Jun Zhao, Yunjiang Zheng, Haiwei Chen, Liang Shan, Richard A. Flavell Siyuan Ding, Ningguo Feng, Harry B. Greenberg Siyuan Ding, Harry B. Greenberg Penghua Wang, Yujiao Zhao Wen Pan, Jun Lu Jun Zhao, Yuval Kluger Kellie A. Jurado, Clara Abraham, Erol Fikrig Erol Fikrig, Richard A. Flavell 2017现代生物医学进展2017,17,27:10
11Lower Es3 in Zhanhua Sag, Jiyang Depression: a case study for lithofacies classification in lacustrine mud shale显示文摘湖相页岩油气重点关注富含Ⅰ或Ⅱ_1型有机质纹层状灰质岩相,因此,泥页岩岩相划分除了应考虑矿物组分、层理构造之外,还应特别重视有机质类型及丰度的差异。以济阳坳陷沾化凹陷沙三下亚段(Es_3~下)湖相泥页岩为例,综合利用岩心描述、薄片、电镜、核磁及测井等资料进行岩相类型划分、特征分析及识别方法研究。首先,从层理构造、岩性角度区分泥页岩岩相,并考虑将有机质信息融入到岩相分类中,提出了'构造+岩性+有机质'三重信息结合的湖相泥页岩岩相划分方案。然后,针对岩相三重信息分别进行识别研究,利用测井变量最优滤波分析获得的敏感测井数据三维交会可提高岩性识别精度,同时鉴于曲线分形对层理构造有较好的指示,将敏感无铀伽马曲线分形维数作为交会变量,优化了岩相构造识别方法。最后,通过测井反演的有机碳含量(TOC)、热解烃(S_2)地化参数,进一步可得到氢指数(HI),借助氢指数-最大热解峰温度(HI-T_(max))图版能够识别不同岩相中的有机质类型。由此综合建立的湖相泥页岩岩相测井精细分析方法,能够准确地提取泥页岩岩相中构造、岩性、有机质三种信息,为在连续井筒中识别有效页岩储层与寻找油气甜点提供了依据。Yan Jian-Ping He Xu Hu Qin-Hong Liang Qiang Tang Hong-Ming Feng Chun-Zhen Geng Bin 2018Applied Geophysics2018,15,2:10
12Effect of liniment levamisole on cellular immune functions of patients with chronic hepatitis B显示文摘AIM: To explore the effects of liniment levamisole on cellular immune functions of patients with chronic hepatitis B. METHODS: The levels of T lymphocyte subsets and mlL-2R in peripheral blood mononuclear cells (PBMCs) were measured by biotin-streptavidin (BSA) technique in patients with chronic hepatitis B before and after the treatment with liniment levamisole. RESULTS: After one course of treatment with liniment levamisole, the levels of CD3+, CD4+, and the ratio of CD4+/CD8+ increased as compared to those before the treatment but the level of CD8+ decreased. The total expression level of mIL-2R in PBMCs increased before and after the treatment with liniment levamisole. CONCLUSION: Liniment levamisole may reinforce cellular immune functions of patients with chronic hepatitis B.Ke-Xia Wang Li-Hua Zhang Jiang-Long Peng Yong Liang Xue-Feng Wang Hui Zhi Xiang-Xia Wang Huan-Xiong Geng 2005World Journal of Gastroenterology2005,11,45:10
13Preliminary study of a new pathological evolution-based clinical hepatolithiasis classification显示文摘AIM:To investigate clinical features,treatment strategies and outcomes of patients with hepatolithiasis(HL)undergoing surgical treatment,using a new clinicalclassification.METHODS:Sixty-eight HL patients were hospitalized and treated surgically from August 2011 to December2012 and they were classified into four HL types according to pathological evolution of the disease.These four HL types included typeⅠprimary type(defined as no previous biliary tract surgery),typeⅡinflammatory type(with previous biliary tract surgery and cholangitis),typeⅢmass-forming type(HL complicated by hepatic mass-forming lesion),and typeⅣterminal type(with secondary biliary cirrhosis and resultant portal hypertension).The perioperative data including general information,imaging data,postoperative complications,and immediate and final stone clearance rate were obtained and analyzed.RESULTS:In all 68 patients,the proportion of HL typeⅠ-Ⅳwas 50%(34/68),36.8%(25/68),10.3%(7/68)and 2.8%(2/68),respectively.Abdominal pain was the main clinical manifestation in typeⅠ(88.2%),fever was predominant in typeⅡ(52.0%),the malignancy rate in typeⅢwas high(71.4%),and portal hypertension and spleen enlargement were common in typeⅣ(2/2,100.0%).Liver resection rate for typesⅠ-Ⅲwas 79.4%,72.0%and 71.4%,respectively.The overall incidence of postoperative complications was23.5%(16/68).There were no perioperative deaths.The average length of hospital stay was 12.7±7.3 d.Immediate and final stone clearance rate was 73.5%(50/68)and 89.7%(61/68),respectively.Fifty-nine of68 patients(86.8%)were followed-up for>1 year after surgery,and 96.6%of these patients(57/59)had a good quality of life according to a criterion recommended for postoperative evaluation of quality of life.CONCLUSION:The pathological evolution-based clinical classification of HL has a role in optimizingtreatment strategy,and patients can benefit from thisclassification when it is used properly.Fu-Bao Liu Xiao-Jun Yu Guo-Bing Wang Yi-Jun Zhao Kun Xie Fan Huang Jiang-Ming Cheng Xin-Rao Wu Chao-Jie Liang Xiao-Ping Geng 2015World Journal of Gastroenterology2015,21,7:9
14ROS signaling cascades:dual regulations for osteoclast and osteoblast显示文摘Accumulating evidence indicates that intracellular reactive oxygen species(ROS)production is highly involved in bone homeostasis by intervening osteoclast or osteoblast differentiation.Interestingly,ROS that are known as oxidizing agents exert dose-dependent biphasic properties in bone remodeling,including preventing osteoblast activity but accelerating osteoclast resorption.ROS mainly composed of superoxide anion radical,hydroxyl radical,nitric oxide,and two-electron reduction product hydrogen peroxide,which are important components to regulate bone cell metabolism and function in mammal skeleton.These free radicals can be partly produced in bone and boosted in an inflammation state.Although numerous researches have emphasized the impacts of ROS on bone cell biology and verified the mechanism of ROS signaling cascades,the recapitulatory commentary is necessary.In this review article,we particularly focus on the regulation of the intracellular ROS and its potential mechanism impacting on cell-signaling transduction in osteoclast and osteoblast differentiation for preferable understanding the pathogenesis and searching for novel therapeutic protocols for human bone diseases.Huaqiang Tao Gaoran Ge Xiaolong Liang Weicheng Zhang Houyi Sun Meng Li Dechun Geng 2020Acta Biochimica et Biophysica Sinica2020,52,10:8
15Structural insights into DndE from Escherichia coil B7A involved in DNA phosphorothioation modification显示文摘Wei Hu Chengkun Wang Jingdan Liang Tianlong Zhang Zhongpei Hu Zhijun Wang Wenxian Lan Fang Li Houming Wu Jianping Ding Geng Wu Zixin Deng Chunyang Cao 2012Cell Research2012,22,7:7
1615-deoxy-△12,14-prostaglandin J2 ameliorates endotoxin-induced acute lung injury in rats显示文摘Geng Zhilong Zhu Wankun Wang Huiwen Chen Ye Liang Juan Liu Dong 2014Chinese Medical Journal2014,,5:7
17A novel method of defective vascular reconstruction using 2-octyl-cyanoacrylate and homemade prosthetic component显示文摘Liang Xiangdang Cai Hongfei Sun Geng Liu Zihao Chen Wen Tang Peifu 2014Chinese Medical Journal2014,,5:7
18Markov process functionals in finance and insurance显示文摘The Markov property of Markov process functionals which are frequently used in economy, finance, engineering and statistic analysis is studied. The conditions to judge Markov property of some important Markov process functionals are presented, the following conclusions are obtained: the multidimensional process with independent increments is a multidimensional Markov process; the functional in the form of path integral of process with independent incre- ments is a Markov process; the surplus process with the doubly stochastic Poisson process is a vector Markov process. The conditions for linear transformation of vector Markov process being still a Markov process are given.GENG Xian-min LI Liang 2009Applied Mathematics(A Journal of Chinese Universities)2009,24,1:7
19CD147 antibody specifically and effectively inhibits infection and cytokine storm of SARS-CoV-2 and its variants delta,alpha,beta,and gamma显示文摘SARS-CoV-2 mutations contribute to increased viral transmissibility and immune escape,compromising the effectiveness of existing vaccines and neutralizing antibodies.An in-depth investigation on COVID-19 pathogenesis is urgently needed to develop a strategy against SARS-CoV-2 variants.Here,we identified CD147 as a universal receptor for SARS-CoV-2 and its variants.Meanwhile,Meplazeumab,a humanized anti-CD147 antibody,could block cellular entry of SARS-CoV-2 and its variants-alpha,beta,gamma,and delta,with inhibition rates of 68.7,75.7,52.1,52.1,and 62.3%at 60μg/ml,respectively.Furthermore,humanized CD147 transgenic mice were susceptible to SARS-CoV-2 and its two variants,alpha and beta.When infected,these mice developed exudative alveolar pneumonia,featured by immune responses involving alveoli-infiltrated macrophages,neutrophils,and lymphocytes and activation of IL-17 signaling pathway.Mechanistically,we proposed that severe COVID-19-related cytokine storm is induced by a'spike protein-CD147-CyPA signaling axis':Infection of SARS-CoV-2 through CD147 initiated the JAK-STAT pathway,which further induced expression of cyclophilin A(CyPA);CyPA reciprocally bound to CD147 and triggered MAPK pathway.Consequently,the MAPK pathway regulated the expression of cytokines and chemokines,which promoted the development of cytokine storm.Importantly,Meplazumab could effectively inhibit viral entry and inflammation caused by SARS-CoV-2 and its variants.Therefore,our findings provided a new perspective for severe COVID-19-related pathogenesis.Furthermore,the validated universal receptor for SARS-CoV-2 and its variants can be targeted for COVID-19 treatment.Jiejie Geng Liang Chen Yufeng Yuan Ke Wang Youchun Wang Chuan Qin Guizhen Wu Ruo Chen Zheng Zhang Ding Wei Peng Du Jun Zhang Peng Lin Kui Zhang Yongqiang Deng Ke Xu Jiangning Liu Xiuxuan Sun Ting Guo Xu Yang Jiao Wu Jianli Jiang Ling Li Kun Zhang Zhe Wang Jing Zhang Qingguo Yan Hua Zhu Zhaohui Zheng Jinlin Miao Xianghui Fu Fengfan Yang Xiaochun Chen Hao Tang Yang Zhang Ying Shi Yumeng Zhu Zhuo Pei Fei Huo Xue Liang Yatao Wang Qingyi Wang Wen Xie Yirong Li Mingyan Shi Huijie Bian Ping Zhu Zhi-Nan Chen 2021Signal Transduction and Targeted Therapy2021,6,10:6
20Protective effects of sirtuin 3 on titanium particle-induced osteogenic inhibition by regulating the NLRP3 inflammasome via the GSK-3β/β-catenin signalling pathway显示文摘Periprosthetic osteolysis(PPO)remains the key factor in implant failure and subsequent revision surgery and is mainly triggered by wear particles.Previous studies have shown that inhibition of osteoblastic differentiation is the most widespread incident affecting the interface of trabecular and loosening prostheses.Additionally,the NLRP3 inflammasome is activated by prosthetic particles.Sirtuin3,an NAD+-dependent deacetylase of mitochondria,regulates the function of mitochondria in diverse activities.However,whether SIRT3 can mitigate wear debris-induced osteolysis by inhibiting the NLRP3 inflammasome and enhancing osteogenesis has not been previously reported.Therefore,we investigated the role of SIRT3 during the process of titanium(Ti)particle-induced osteolysis.We revealed that upregulated SIRT3 dramatically attenuated Ti particle-induced osteogenic inhibition through suppression of the NLRP3 inflammasome and improvement of osteogenesis in vivo and in vitro.Moreover,we found that SIRT3 interference in the process of Ti particle-induced osteolysis relied on the GSK-3β/β-catenin signalling pathway.Collectively,these findings indicated that SIRT3 may serve as a rational new treatment against debris-induced PPO by deacetylase-dependent inflammasome attenuation.Kai Zheng Jiaxiang Bai Ning Li Meng Li Houyi Sun Weicheng Zhang Gaoran Ge Xiaolong Liang Huaqiang Tao Yi Xue Yuefeng Hao Chen Zhu Yaozeng Xu Dechun Geng 2021Bioactive Materials2021,6,10:5
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