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1Inhibition of Cdk5 increases osteoblast differentiation and bone mass and improves fracture healing显示文摘Identification of regulators of osteoblastogenesis that can be pharmacologically targeted is a major goal in combating osteoporosis,a common disease of the elderly population. Here, unbiased kinome RNAi screening in primary murine osteoblasts identified cyclin-dependent kinase 5(Cdk5) as a suppressor of osteoblast differentiation in both murine and human preosteoblastic cells. Cdk5 knockdown by si RNA, genetic deletion using the Cre-lox P system, or inhibition with the small molecule roscovitine enhanced osteoblastogenesis in vitro. Roscovitine treatment significantly enhanced bone mass by increasing osteoblastogenesis and improved fracture healing in mice. Mechanistically, downregulation of Cdk5 expression increased Erk phosphorylation, resulting in enhanced osteoblast-specific gene expression. Notably, simultaneous Cdk5 and Erk depletion abrogated the osteoblastogenesis conferred by Cdk5 depletion alone, suggesting that Cdk5 regulates osteoblast differentiation through MAPK pathway modulation. We conclude that Cdk5 is a potential therapeutic target to treat osteoporosis and improve fracture healing.Mubashir Ahmad Benjamin Thilo Krüger Torsten Kroll Sabine Vettorazzi Ann-Kristin Dorn Florian Mengele Sooyeon Lee Sayantan Nandi Dilay Yilmaz Miriam Stolz Naveen Kumar Tangudu David Carro Vázquez Johanna Pachmayr Ion Cristian Cirstea Maja Vujic Spasic Aspasia Ploubidou Anita Ignatius Jan Tuckermann 2022Bone Research2022,10,3:2
2Curcum ininhib its the proteasome activity in human coloncan cercells in-vitro and in-vivo 显示文摘Milacic V Banerjee S Landis-Piwowar KR 2008Cancer Res2008,68,18:1
3A nuclear export sequence located on beta-strand in fibroblast growth factor-1显示文摘Nilsen T Rosendal KR S?rensen V 0,,36:1
4Optical deconstruction of parkinsonian neural circuitry 显示文摘Gradinaru V Mogri M Thompson KR 2009Science2009,324,5925:1
5Anti-HHV-6 antibodies in normal population and in cancer patients in India显示文摘Shanavas KR Kala V Vasudevan DM 1992J Exp Pathol1992,6,12:1
6Sexual dimorphic expression pattern of asplice variant of zebrafish vasa during gonadal development显示文摘KRVEL A V OLSEN L C 2004Develop-mental Biology2004,271,1:1
7In situ Raman analysis of gas formation in NiMH batteries显示文摘Mank a J G Belfadhel-Ayeb a Krüsemann P V E 2005Applied Spectroscopy2005,59,1:1
8Circulating tumor cells in metastatic breast cancer: biologic staging beyond tumor burden显示文摘Cristofanilli M Broglio KR Guarneri V 2007Clin Breast Cancer2007,7,:1
9Factors affecting outcome after percutaneous renal artery stent insertion显示文摘Perkovi V Thomson KR Becker GJ 2002J Nephrol2002,15,:1
10A subset of Toil-like receptor ligands induces cross-presentation by bone marrow-derived dendritic cells显示文摘Datta SK Redecke V Prilliman KR 2003J Immunol2003,270,8:1
11Plaque neovascularization is increased in ruptured atherosclerotic lesions of human aorta:implications for plaque vulnerability显示文摘Moreno PR Purushothaman KR Fuster V 2004Circulation2004,110,14:1
12Optimization and charaterization of repaglinide biodegradable polymeric nanop- article loaded transdermal patchs: In vitro and in vivo studies 显示文摘Vijayan V Reddy KR Sakthivel S 2013Colloids Surf B Biointerfaces2013,111,1:1
13Sputum pro- cessing methods to improve the sensitivity of smear microscopy for tuberculosis : a systematic review 显示文摘Steingart KR Ng V Henry M 2006Lancet Infect Dis2006,6,10:1
14The proteasome as a potential target for novel anticancer drugs and chemosensitizers显示文摘Landis-Piwowar KR Milacic V Chen D 2006Drug Resist Updat2006,9,:1
15FTY720: Targeting G-protein cou- pled receptors for sphingosine 1-phosphate in transplantation and autoimmunity显示文摘Brinkmann V Lynch KR 2002Curr Opin Immunol2002,14,:1
16Expression of biologi- cally active recombinant porcine interleukin-12 from Escherichia coli 显示文摘Morris KR Bruce MP Janardhana V 2008Vet Immunol Immunopathol2008,126,34:1
17Sputum processing methods to improve the sensitivity of smear microscopy for tuberculosis: a systematic review显示文摘Steingart KR Ng V Henry M 2006Lancet Infect Dis2006,6,10:1
18Tamoxifen: an altemative to clomiphene in women with polycystic ovary syndrome显示文摘Dhaliwal LK Suri V Gupta KR 2011JHum ReprodSci2011,4,2:1
19Outcomes of angio- some and non-angiosome targeted revascularization in critical lower limb ischemia显示文摘Kabra A Suresh KR Vivekanand V 2013J Vasc Surg2013,57,1:1
20Development of a fluorescence polarization - based diagnostic assay for equine infection anemia virus显示文摘Tencza SB Islam KR Kalia V 2000J Clin Microbiol2000,38,5:1
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