【文章內(nèi)容簡(jiǎn)介】
胞(OEC 嗅鞘上皮細(xì)胞)移植等治療方法的機(jī)制。 To confirm and prove mechanisms of treatment methods that have been used in clinical trial study for the Spinal Cord Injury patients, such as stem cell, Schwann’s cell and OEC cell (Oefactory Ensheathing Cells) transplantations.,為脊髓(jǐ suǐ)損傷新藥的檢測(cè)提供動(dòng)物模型。 To provide animal models for testing effects of new drugs for Spinal Cord Injury.,第三十二頁(yè),共五十九頁(yè)。,Neuroscience Exploring the Brain, Second Edition. Bear MF, Connors BW, Paradiso MA,脊髓的主要(zhǔy224。o)功能 (Main Functions of the Spinal Cord),將感覺(jué)訊息從外周傳向腦,運(yùn)動(dòng)訊息從腦傳向外周。,構(gòu)成局部回路(hu237。l249。)和反射。 To perform locomotion and reflex.,To convey sensory impulses from periphery to the brain and to convey motor impulses from the brain to the periphery.,第三十三頁(yè),共五十九頁(yè)。,神經(jīng)細(xì)胞(x236。bāo)死亡 (Neuronal cell death) a. 原發(fā)損傷 Primary injury (空洞cavity) b. 繼發(fā)損傷 Secondary injury,脊髓(jǐ suǐ)損傷後有侍解決的問(wèn)題,2. 軸突切斷(Axotomy),3. 脫髓鞘(Demyelination),4. 膠質(zhì)癍痕(Glial scar),5. 抑制性分子(fēnzǐ)(Inhibit molecules , NI35, NI250),6. 血液供應(yīng)不良(Poor Blood supply),第三十四頁(yè),共五十九頁(yè)。,,,1a,1b,3,2,2,,,,5,2,4,5,6,脊髓(jǐ suǐ)損傷的突破性研究 (一) (Breakthrough Studies on the Field of Spinal Cord Injury),1. 神經(jīng)細(xì)胞死亡(sǐw225。ng)(Neuronal cell death) 波尼松龍治療減少細(xì)胞死亡,利用嗅鞘上皮細(xì)胞或幹細(xì)胞移植替代死亡的細(xì)胞。Reduce cell death by therapy with methylprednisolone (Young 1990) and replace death cells with OEC transplantation (Li, J of Neurosci. 1998。 Huang, 2003) or Stem cells transplantation (Harper, PNAS 2004).,2. 軸突切斷(Axotomy)的治療 增強(qiáng)軸突切斷神經(jīng)元的再生(z224。ishēng)能力。 Enhance regeneration ability of axotomized neurons (Pears Nature Medicine, 2004。 Yick, J Neurotrauma, 2004).,第三十五頁(yè),共五十九頁(yè)。,脊髓(jǐ suǐ)損傷的突破性研究(二) (Breakthrough Studies on the Field of Spinal Cord Injury),3. 去髓鞘(Demyelination)的治療 通過(guò)施萬(wàn)細(xì)胞移植(y237。zh237。)重建髓鞘 。 Rebuild myelination by Schwann’s cell transplantation (Xu, EJN 1999。 Sivasankaran, Nature Neurosci. 2004).,4,5,6. 膠質(zhì)癍痕及抑制性分子(Glial scar and Inhibit molecules) 通過(guò)改變局部化學(xué)環(huán)境減少癍痕形成(x237。ngch233。ng),去除抑制因子。 Reduce glial scar and remove inhibitor molecules by changing the local chemical environment (Yick, Neuroreport, 2000。 Moon, Nature Neurosci. 2001).,第三十六頁(yè),共五十九頁(yè)。,用於治療脊髓(jǐ suǐ)損傷的幹細(xì)胞,第三十七頁(yè),共五十九頁(yè)。,Clinical Trials Centre Faculty of Medicine The University of Hong Kong,8/F Clinical Pathology Buil