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| 1 | WJSC 6^(th) Anniversary Special Issues(2):Mesenchymal stem cells Progress of mesenchymal stem cell therapy for neural and retinal diseases显示文摘Complex circuitry and limited regenerative power make central nervous system(CNS)disorders the most challenging and difficult for functional repair.With elusive disease mechanisms,traditional surgical and medical interventions merely slow down the progression of the neurodegenerative diseases.However,the number of neurons still diminishes in many patients.Recently,stem cell therapy has been proposed as a viable option.Mesenchymal stem cells(MSCs),a widely-studied human adult stem cell population,have been discovered for more than 20 years.MSCs have been found all over the body and can be conveniently obtained from different accessible tissues:bone marrow,blood,and adipose and dental tissue.MSCs have high proliferative and differentiation abilities,providing an inexhaustible source of neurons and glia for cell replacement therapy.Moreover,MSCs also show neuroprotective effects without any genetic modification or reprogramming.In addition,the extraordinary immunomodulatory properties of MSCs enable autologous and heterologous transplantation.These qualities heighten the clinical applicability of MSCs when dealing with the pathologies of CNS disorders.Here,we summarize the latest progress of MSC experimental research as well as human clinical trials for neural and retinal diseases.This review article will focus on multiple sclerosis,spinal cord injury,autism,glaucoma,retinitis pigmentosa and age-related macular degeneration. | Tsz Kin Ng Veronica R Fortino Daniel Pelaez Herman S Cheung | 2014 | World Journal of Stem Cells2014，6，2： | 13 |
| 2 | Adipose stem cell-based regenerative medicine for reversal of diabetic hyperglycemia显示文摘Diabetes mellitus(diabetes) is a devastating disease that affects millions of people globally and causes a myriad of complications that lead to both patient morbidity and mortality. Currently available therapies, including insulin injection and beta cell replacement through either pancreas or pancreatic islet transplantation, are limited by the availability of organs. Stem cells provide an alternative treatment option for beta cell replacement through selective differentiation of stem cells into cells that recognize glucose and produce and secrete insulin. Embryonic stem cells, albeit pluripotent, face a number of challenges, including ethical and political concerns and potential teratoma formation. Adipose tissue represents an alternative source of multipotent mesenchymal stem cells, which can be obtained using a relatively simple, non-invasive, and inexpensive method. Similarly to other adult mesenchymal stem cells, adipose-derived stem cells(ADSCs) are capable of differentiating into insulin-producing cells. They are also capable of vasculogenesis and angiogenesis, which facilitate engraftment of donor pancreatic islets when co-transplanted. Additionally, anti-inflammatory and immunomodulatory effects of ADSCs can protect donorislets during the early phase of transplantation and subsequently improve engraftment of donor islets into the recipient organ. Although ADSC-therapy is still in its infancy, the potential benefits of ADSCs are far reaching. | Hyun Joon Paek Courtney Kim Stuart K Williams | 2014 | World Journal of Diabetes2014，5，3： | 5 |
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