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Specialty: General Medicine
Procedure: Transplants

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Total 192 results found since Jan 2013.

Stem cell transplantation for ischemic stroke.
CONCLUSIONS: Overall, in participants with ischemic stroke, stem cell transplantation was associated with a reduced neurological impairment, but not with a better functional outcome. No obvious safety concerns were raised. However, these conclusions came mostly from small RCTs with high risk of bias, and the certainty of the evidence ranged from low to very low. More well-designed trials are needed. PMID: 31055832 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - May 4, 2019 Category: General Medicine Authors: Boncoraglio GB, Ranieri M, Bersano A, Parati EA, Del Giovane C Tags: Cochrane Database Syst Rev Source Type: research

Intravenous transplantation of mesenchymal stem cells preconditioned with early phase stroke serum: current evidence and study protocol for a randomized trial
DiscussionThis trial is the first to evaluate the efficacy of MSCs in patients with ischemic stroke. The results may provide better evidence for the effectiveness of MSC therapy in patients with ischemic stroke.Trial registrationThis trial was registered with ClinicalTrials.gov, number NCT01716481.
Source: Trials - October 1, 2013 Category: Journals (General) Authors: Suk Jae KimGyeong Joon MoonWon Hyuk ChangYun-Hee KimOh Young Bang Source Type: research

Mesenchymal Stem Cell Therapy for Ischemic Stroke.
Authors: Toyoshima A, Yasuhara T, Date I Abstract 　To date, many animal studies have indicated the neuroprotective effects of mesenchymal stem cell (MSC) transplantation in ischemic stroke. Several clinical studies have also revealed the safety, feasibility, and neuroprotective effects in ischemic stroke patients. In this review, we present the main approaches of MSC transplantation in ischemic stroke, the mechanisms of MSC therapy, and the current clinical studies on MSC transplantation in ischemic stroke patients. We also explore the safety of MSC transplantation and conclude that MSC therapy will play an impor...
Source: Acta Medica Okayama - August 22, 2017 Category: General Medicine Tags: Acta Med Okayama Source Type: research

Mechanical Circulatory Support Prior to Heart Transplantation Predicts Early Post-Operative Stroke
CONCLUSIONS: With the exception of left ventricular assist devices, use of MCS modalities leading to HT is significantly and independently associated with stroke during the early post-HT period.PMID:33785302 | DOI:10.1016/j.amjms.2021.03.008
Source: The American Journal of the Medical Sciences - March 31, 2021 Category: General Medicine Authors: Trenton J Bickel Prasad Gunasekaran Deepak K Parashara Martin A Alpert Source Type: research

Quantitative proteomics revealed extensive microenvironmental changes after stem cell transplantation in ischemic stroke
This study aimed to investigate the microenvironmental changes in the subacute and chronic phases of ischemic stroke after stem cell transplantation. Herein, induced pluripotent stem cells (iPSCs) and neural stem cells (NSCs) were transplanted into the ischemic brain established by middle cerebral artery occlusion surgery. Positron emission tomography imaging and neurological tests were applied to evaluate the metabolic and neurofunctional alterations of rats transplanted with stem cells. Quantitative proteomics was employed to investigate the protein expression profiles in iPSCs-transplanted brain in the subacute and chro...
Source: Frontiers of Medicine - July 9, 2021 Category: General Medicine Source Type: research

Direct oral anticoagulants versus warfarin for preventing stroke and systemic embolic events among atrial fibrillation patients with chronic kidney disease.
CONCLUSIONS: Our findings indicate that DOAC are as likely as warfarin to prevent all strokes and systemic embolic events without increasing risk of major bleeding events among AF patients with kidney impairment. These findings should encourage physicians to prescribe DOAC in AF patients with CKD without fear of bleeding. The major limitation is that the results of this study chiefly reflect CKD stage G3. Application of the results to CKD stage G4 patients requires additional investigation. Furthermore, we could not assess CKD stage G5 patients. Future reviews should assess participants at more advanced CKD stages. Additio...
Source: Cochrane Database of Systematic Reviews - November 6, 2017 Category: General Medicine Authors: Kimachi M, Furukawa TA, Kimachi K, Goto Y, Fukuma S, Fukuhara S Tags: Cochrane Database Syst Rev Source Type: research

Matched-Sibling Stem Cell Transplantation and Stroke in Children With SCA
Stroke is one of the most devastating complications of sickle cell anemia (SCA), and risk of stroke starts very early in life. Before screening techniques were available, 11% of children with homozygous SCA had ischemic stroke by their 20th birthday. Although most children with SCA will have neurologic recovery after stroke, approximately one-third will have long-term neurologic sequelae, including motor impairment. Moreover, children with SCA who have had a stroke often have neurocognitive impairment and difficulties with academic performance.
Source: JAMA - January 22, 2019 Category: General Medicine Source Type: research

Efficacy and safety of human-derived neural stem cell in patients with ischaemic stroke: study protocol for a randomised controlled trial
Introduction Stroke is the most common cause of neurological disability in adults worldwide. Neural stem cell (NSC) transplantation has shown promising results as a treatment for stroke in animal experiments. The pilot investigation of stem cells in stroke phase 1 and phase 2 trials showed that transplantation of the highest dose (20 million cells) was well tolerated. Preliminary clinical benefits have also been observed. However, the trials were open-label and had a small sample size. Furthermore, human NSCs (hNSCs) were intracerebrally implanted, and some serious adverse events were considered to be related to the surgic...
Source: BMJ Open - November 8, 2022 Category: General Medicine Authors: Xie, C., Wang, K., Peng, J., Jiang, X., Pan, S., Wang, L., Wu, Y., Guan, Y. Tags: Open access, Neurology Source Type: research

Induced pluripotent stem cell-derived neural stem cells: new hope for stroke?
Human induced pluripotent stem cells (iPSCs) have attracted increasing interest in the field of ischemic stroke therapy, due to the lack of ethical concerns and reduced risk of immune rejection. However, the safety and efficiency of the donor iPSC derivates in the ischemic brain challenged the therapeutic efficacy of iPSC transplantation. Studies have focused on improving the methods to induce neural derivates from iPSCs and on trying to determine how these cells and the host ischemic environment influence each other. A recent study by Yuan and colleagues reported that neural stem cells induced from human iPSCs using retin...
Source: BioMed Central - September 25, 2013 Category: Journals (General) Authors: Jia Liu Source Type: research

Human adipose-derived stem cells partially rescue the stroke syndromes by promoting spacial learning and memory in mouse middle cerebral artery occlusion model
IntroductionGrowing evidence has brought stem cell therapy to the forefront as new promising approaches towards stroke treatment. Of all candidate seeding cells, adipose-derived stem cells (ADSCs) are considered as one of the most appropriate for stroke treatment. However, previous experimental data could not reach to an agreement on the efficacy of ADSC transplantation for treating stroke in vivo as well as its mechanism which hinders their further clinical translational application. Methods: To explore their in vivo mechanism of hADSC administration on neurological injury, hADSC were labeled with EGFP expressing FG12 len...
Source: BioMed Central - May 8, 2015 Category: Journals (General) Authors: Fei ZhouShane GaoLin WangChenxi SunLu ChenPing YuanHaiyang ZhaoYi YiYing QinZhiqiang DongLimei CaoHaiyan RenLiang ZhuQiang LiBing LuAibin LiangGuotong XuHongwen ZhuZhengliang GaoJie MaJun XuXu Chen Source Type: research

Comment Age of PISCES: stem-cell clinical trials in stroke
Laboratory studies and limited clinical trials over the past two decades have shown feasibility and safety, and have revealed potential mechanisms of action of stem-cell therapy in ischaemic stroke. Despite consistent efficacy in animal studies, functional benefits after transplantation of stem cells remain to be shown unequivocally in stroke patients.1 Translation of stem-cell therapy from the laboratory to the clinic has been approached with ample caution, in part due to the largely negative outcomes for several stroke therapeutics in human beings compared with those in animals.
Source: LANCET - August 2, 2016 Category: Journals (General) Authors: Cesar V Borlongan Tags: Comment Source Type: research

Niche astrocytes promote the survival, proliferation and neuronal differentiation of co-transplanted neural stem cells following ischemic stroke in rats.
Authors: Luo L, Guo K, Fan W, Lu Y, Chen L, Wang Y, Shao Y, Wu G, Xu J, Lü L Abstract Niche astrocytes have been reported to promote neuronal differentiation through juxtacrine signaling. However, the effects of astrocytes on neuronal differentiation following ischemic stroke are not fully understood. In the present study, transplanted astrocytes and neural stem cells (NSCs) were transplanted into the ischemic striatum of transient middle cerebral artery occlusion (MCAO) model rats 48 h following surgery. It was observed that the co-transplantation of astrocytes and NSCs resulted in a higher ratio of survival and ...
Source: Experimental and Therapeutic Medicine - March 31, 2017 Category: Journals (General) Tags: Exp Ther Med Source Type: research