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Cell-Based Therapies for Stroke: Promising Solution or Dead End? Mesenchymal Stem Cells and Comorbidities in Preclinical Stroke Research
Conclusion The high prevalence of comorbidities in patients with stroke indicates the need for therapies in preclinical studies that take into account these comorbidities in order to avoid failures in translation to the patient. Preclinical studies are beginning to evaluate the efficacy of MSC treatment in stroke associated with comorbidities, especially hypertension, for ischemic and hemorrhagic stroke. Regarding aging and diabetes, only ischemic stroke studies have been performed. For the moment, few studies have been performed and contradictory results are being reported. These contradictory results may be due to the u...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

The Exosomal MicroRNA Profile Is Responsible for the Mesenchymal Stromal Cell Transplantation-Induced Improvement of Functional Recovery after Stroke in Rats
Conclusion: We confirmed that MSC transplantation repaired stroke-induced functional impairments in rats by regulating various pathways associated with nervous system protection and MSC differentiation through the deregulation of exosomal miRNAs.Neuroimmunomodulation
Source: Neuroimmunomodulation - September 17, 2021 Category: Allergy & Immunology Source Type: research

Intravenously Delivered Allogeneic Mesenchymal Stem Cells Bidirectionally Regulate Inflammation and Induce Neurotrophic Effects in Distal Middle Cerebral Artery Occlusion Rats Within the First 7 Days After Stroke
Conclusions: Although increased inflammation, BM-MSCs were still beneficial to dMCAO recovery at day 2. The immunopromoting effect of MSCs was transient and shifted to an immunosuppressive action at day 7. The neurotrophic factors IGF-1 and BDNF, which were mainly derived from transplanted BM-MSCs and host microglia/macrophages, contributed to the therapeutic effects from day 2 to day 7.Cell Physiol Biochem 2018;46:1951 –1970
Source: Cellular Physiology and Biochemistry - May 2, 2018 Category: Cytology Source Type: research

Neuronal cell sheet of cortical motor neuron phenotype derived from human iPS cells.
Abstract <p>Transplantation of stem cells which differentiate into more mature neural cells brings about functional improvement in pre-clinical studies of stroke. Previous transplant approaches in diseased brain have utilized injection of the cells in a cell suspension. In addition, neural stem cells were preferentially used as graft. However, these cells had no specific relationship to the damaged tissue of stroke patients and brain injury. The injection of cells in a suspension destroyed the cell-cell interactions that are suggested to be important for promoting functional integrity as cortical motor neuro...
Source: Cell Transplantation - March 17, 2017 Category: Cytology Authors: Suzuki N, Arimitsu N, Shimizu J, Takai K, Hirotsu C, Takada E, Ueda Y, Wakisaka S, Fujiwara N, Suzuki T Tags: Cell Transplant Source Type: research

Neuronal Cell Sheets of Cortical Motor Neuron Phenotype Derived from Human iPSCs.
Abstract Transplantation of stem cells that differentiate into more mature neural cells brings about functional improvement in preclinical studies of stroke. Previous transplant approaches in the diseased brain utilized injection of the cells in a cell suspension. In addition, neural stem cells were preferentially used for grafting. However, these cells had no specific relationship to the damaged tissue of stroke and brain injury patients. The injection of cells in a suspension destroyed the cell-cell interactions that are suggested to be important for promoting functional integrity of cortical motor neurons. In o...
Source: Cell Transplantation - August 1, 2017 Category: Cytology Authors: Suzuki N, Arimitsu N, Shimizu J, Takai K, Hirotsu C, Ueda Y, Wakisaka S, Fujiwara N, Suzuki T Tags: Cell Transplant Source Type: research

Combinatorial intranasal delivery of bone marrow mesenchymal stem cells and insulin-like growth factor-1 improves neurovascularization and functional outcomes following focal cerebral ischemia in mice.
Abstract Bone marrow mesenchymal stem cell (BMSC) transplantation is a promising treatment for ischemic stroke that carries a severe mortality and disability burden amongst the adult population globally. Thus far, BMSC transplantation has been insufficient for ameliorating neurological deficits resulting from cerebral ischemia. This shortcoming may be an outcome due to poor homing and viability of grafted cells in ischemic brain that limit the potential therapeutic benefits of BMSC transplantation. Insulin-like growth factor-1 (IGF-1), a potent anti-apoptotic agent, exerts neuroprotective effects in ischemic strok...
Source: Experimental Neurology - December 1, 2020 Category: Neurology Authors: Shen H, Gu X, Wei ZZ, Wu A, Liu X, Wei L Tags: Exp Neurol Source Type: research

Super Nutrient’s Liver Surprise
I was one of the first doctors to talk about the incredible benefits of the super-nutrient pyrroloquinoline quinone, or PQQ for short. I was also one of the first doctors to recommend it to patients. Now I recommend this essential nutrient and powerful antioxidant to almost everyone who comes to see me at my wellness clinic. Researchers have only just recently begun to understand the many important roles of PQQ on the body’s cellular processes. Not only does it possess extraordinary energy-giving qualities and have the power to ease nerve pain and battle Alzheimer’s, it has the potential to become the world’s stronge...
Source: Al Sears, MD Natural Remedies - June 10, 2015 Category: Complementary Medicine Authors: Dr. Al Sears Tags: Anti-Aging Cancer CoQ10 Source Type: news

Heart Transplant Outcomes in Patients With Pretransplant Diabetes Mellitus.
CONCLUSIONS: Heart transplant recipients with pretransplant diabetes fared just as well as patients without pretransplant diabetes in 7 of the 8 outcomes examined, except for the number of days hospitalized during the first 3 years after heart transplant. This study provides clinically important new information on the greater hospitalization time and the reasons for hospitalization during the first 3 years after heart transplant in patients with pretransplant diabetes. PMID: 29092871 [PubMed - in process]
Source: American Journal of Critical Care - November 1, 2017 Category: Nursing Authors: Jalowiec A, Grady KL, White-Williams C Tags: Am J Crit Care Source Type: research

Evidence of safety and efficacy of two forms of neonatal cell transplants
Conclusions:  Xenotransplantation of microencapsulated islets and other cell types into human and non‐human primates from a biocertified herd of pigs prepared under GMP conditions can be conducted with safety and efficacy. Further improvements in clinical outcomes are expected with technical advances.
Source: Xenotransplantation - February 5, 2013 Category: Transplant Surgery Authors: Robert B. Elliott, Divya Nathu Source Type: research

Cardiovascular Risk Factors and Events in Pancreas-Kidney Transplants
Abstract: Cardiovascular and cerebrovascular disease (CCVD) are major causes of morbidity and mortality among patients with diabetes. Strict control of treatable risk factors that contribute to atherosclerosis is important to reduce the risk of stroke, myocardial infarction, and peripheral arterial disease. Simultaneous pancreas-kidney transplantation (SPKT) may significantly improve these risk factors in patients with type 1 diabetes. We studied 103 SPKT from our center with both organs functioning for metabolic and hypertensive control; body mass index (BMI); immunosuppression; and CCVD events. The 53 females/50 males s...
Source: Transplantation Proceedings - April 1, 2013 Category: Transplant Surgery Authors: L. Martins, I. Fonseca, L. Dias, J. Malheiro, A. Rocha, P. Azevedo, H. Silva, R. Almeida, A.C. Henriques, J. Davide, A. Cabrita Tags: Renal Transplantation Source Type: research

Targeting Hexokinase II to mitochondria to modulate energy metabolism and reduce ischemia‐reperfusion injury in heart
Summary Mitochondrially‐bound hexokinase II (mtHKII) has long been known to confer cancer cells with their resilience against cell death. More recently, mtHKII has emerged as a powerful protector against cardiac cell death. mtHKII protects against IR injury in skeletal muscle and heart, attenuates cardiac hypertrophy and remodelling, and is one of the major end‐effectors through which ischemic preconditioning protects against myocardial ischemia‐reperfusion injury. Mechanisms of mtHKII cardioprotection against reperfusion injury entail the maintenance of regulated OMM permeability during ischemia and reperfusion resu...
Source: British Journal of Pharmacology - August 30, 2013 Category: Drugs & Pharmacology Authors: Rianne Nederlof, Otto Eerbeek, Markus W Hollmann, Richard Southworth, Coert J Zuurbier Tags: Review Article Source Type: research

Intensive glucose control versus conventional glucose control for type 1 diabetes mellitus.
CONCLUSIONS: Tight blood sugar control reduces the risk of developing microvascular diabetes complications. The evidence of benefit is mainly from studies in younger patients at early stages of the disease. Benefits need to be weighed against risks including severe hypoglycaemia, and patient training is an important aspect in practice. The effects of tight blood sugar control seem to become weaker once complications have been manifested. However, further research is needed on this issue. Furthermore, there is a lack of evidence from RCTs on the effects of tight blood sugar control in older patient populations or patients w...
Source: Cochrane Database of Systematic Reviews - February 14, 2014 Category: Journals (General) Authors: Fullerton B, Jeitler K, Seitz M, Horvath K, Berghold A, Siebenhofer A Tags: Cochrane Database Syst Rev Source Type: research

Targeting hexokinase II to mitochondria to modulate energy metabolism and reduce ischaemia‐reperfusion injury in heart
This article is part of a themed issue on Mitochondrial Pharmacology: Energy, Injury & Beyond. To view the other articles in this issue visit http://dx.doi.org/10.1111/bph.2014.171.issue‐8
Source: British Journal of Pharmacology - March 28, 2014 Category: Drugs & Pharmacology Authors: Rianne Nederlof, Otto Eerbeek, Markus W Hollmann, Richard Southworth, Coert J Zuurbier Tags: Review Source Type: research

Autologous Bone Marrow Mononuclear Cell Transplantation Delays Progression of Carotid Atherosclerosis in Rabbits
Abstract Bone marrow mononuclear cells (BMMNCs) can counteract oxidative stress and inhibit the inflammatory response in focal ischemic stroke models. However, the effect of BMMNC transplantation on carotid atherosclerosis needs to be determined. The carotid atherosclerotic plaque model was established in New Zealand White rabbits by balloon injury and 8 weeks of high-fat diet. Rabbits were randomized to receive an intravenous injection of autologous bromodeoxyuridine (BrdU)-labeled BMMNCs or an equal volume of phosphate-buffered saline. Plaques were evaluated for expression of proinflammatory and anti-inflammato...
Source: Molecular Neurobiology - August 1, 2015 Category: Neurology Source Type: research

ANGPTL2 is associated with an increased risk of cardiovascular events and death in diabetic patients
Conclusions/interpretationIn patients with type 2 diabetes, serum ANGPTL2 concentrations were independently associated with death and MACE. Therefore, ANGPTL2 is a promising candidate biomarker for improving risk stratification in type 2 diabetes patients, and may prove to be a valuable therapeutic target.
Source: Diabetologia - September 30, 2016 Category: Endocrinology Source Type: research

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