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Low back pain and osteoarthritis pain:a perspective of estrogen

骨研究:英文版 2023年第3期11卷 443-456页

作者： Huiwen Pang Shihui Chen david M.Klyne david harrich Wenyuan Ding Sidong Yang Felicity Y.Han Australian Institute for Bioengineering and Nanotechnology The University of QueenslandSt.LuciaBrisbaneQLD 4072Australia NHMRC Centre of Clinical Research Excellence in Spinal Pain Injury and HealthThe University of QueenslandSt.LuciaBrisbaneQLD 4072Australia Department of Cell and Molecular Biology QIMR Berghofer Medical Research InstituteHerstonQLD 4006Australia Department of Spine Surgery The Third Hospital of Hebei Medical University139 Ziqiang RoadShijiazhuang 050051China Hebei Joint International Research Center for Spinal Diseases 139 Ziqiang RoadShijiazhuang 050051China

Low back pain(LBP)is the world's leading cause of disability and is increasing in prevalence more rapidly than any other pain *** disc(IVD)degeneration and facet joint osteoarthritis(FJOA)are two common causes of LBP,and both occur more frequently in elderly women than in other ***,osteoarthritis(OA)and OA pain,regardless of the joint,are experienced by up to twice as many women as men,and this difference is amplified during *** in estrogen may be an important contributor to these pain *** for estrogen have been found within IVD tissue and nearby joints,highlighting the potential roles of estrogen within and surrounding the IVDs and *** addition,estrogen supplementation has been shown to be effective at ameliorating IVD degeneration and OA progression,indicating its potential use as a therapeutic agent for people with LBP and OA *** review comprehensively examines the relationship between estrogen and these pain conditions by summarizing recent preclinical and clinical *** potential molecular mechanisms by which estrogen may relieve LBP associated with IVD degeneration and FJOA and OA pain are discussed.

关键词： agent degeneration pain

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Differential Effects of Strategies to Improve the Transduction Efficiency of Lentiviral Vector that Conveys an Anti-HIV Protein,Nullbasic,in Human T Cells

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Virologica Sinica 2018年第2期33卷 142-152页

作者： Lina Rustanti Hongping Jin Dongsheng Li Mary Lor Haran Sivakumaran david harrich Faculty of Medicine The University of Queensland Department of Cell and Molecular Biology QIMR Berghofer Medical Research Institute National Institute of Health Research and Development the Ministry of Health of Republic of Indonesia Central Jakarta

Nullbasic is a mutant form of HIV-1 Tat that has strong ability to protect cells from HIV-1 replication by inhibiting three different steps of viral replication: reverse transcription, Rev export of viral m RNA from the nucleus to the cytoplasm and transcription of viral m RNA by RNA polymerase II. We previously showed that Nullbasic inhibits transduction of human cells including T cells by HIV-1-based lentiviral vectors. Here we investigated whether the Nullbasic antagonists huTat2(a Tat targeting intrabody), HIV-1 Tat or Rev proteins or cellular DDX1 protein could improve transduction by a HIV-1 lentiviral vector conveying Nullbasic-Zs Green1 to human T cells. We show that overexpression of huTat2, Tat-FLAG and DDX1-HA in virus-like particle(VLP) producer cells significantly improved transduction efficiency of VLPs that convey Nullbasic in Jurkat cells. Specifically, co-expression of Tat-FLAG and DDX1-HA in the VLP producer cell improved transduction efficiency better than if used individually. Transduction efficiencies could be further improved by including a spinoculation step. However, the same optimised protocol and using the same VLPs failed to transduce primary human CD4^+T cells. The results imply that the effects of Nullbasic on VLPs on early HIV-1 replication are robust in human CD4^+T cells. Given this significant block to lentiviral vector transduction by Nullbasic in primary CD4^+T cells, our data indicate that gammaretroviral, but not lentiviral, vectors are suitable for delivering Nullbasic to primary human T cells.

关键词：蛋白质房间向量传送 HIV-1 微分数据显示 RNA

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