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Recovery from stem cell treatment

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https://www.readbyqxmd.com/read/30540605/the-potential-of-acellular-dermal-matrix-combined-with-neural-stem-cells-induced-from-human-adipose-derived-stem-cells-in-nerve-tissue-engineering
#1
Wei-Ze Syu, Shyi-Gen Chen, James Yi-Hsin Chan, Chih-Hsin Wang, Niann-Tzyy Dai, Shih-Ming Huang
INTRODUCTION: Reconstruction of segmental peripheral nerve gap is still challenging when the autografts are unavailable owing to limited availability of donor site and functional recovery. The creation of artificial conduits composed of biological or synthetic materials is still developing. Acellular dermal matrix (ADM) has been widely studied and its extension and plasticity properties may become suitable nerve conduits under different forms of nerve gaps. Adipose-derived stem cells (ADSCs) have the potential to differentiate into various cell types of different germ layers including neural stem cells (NSCs)...
January 2019: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/30537676/recruitment-of-macrophages-and-bone-marrow-stem-cells-to-regenerating-liver-promoted-by-sodium-phthalhydrazide-in-mice
#2
Irina G Danilova, Boris G Yushkov, Irina A Kazakova, Anna V Belousova, Artem S Minin, Musa T Abidov
Pharmacological interventions which could be hepatoprotective, depending on bioavailability, anti-inflammatory and macrophage-targeting potential of drugs, are still at early preclinical stages. Existing evidence from many animal models of liver injury, as well as from human data, indicate that pharmacological and/or phytochemical interventions have limited impact on liver recovery. Recent studies on stem cell therapies focused on different cell subsets involved in tissue repair, including monocytes/macrophages and bone marrow cells migrating to the injured liver...
December 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30536073/upregulation-of-ubap2l-in-bone-marrow-mesenchymal-stem-cells-promotes-functional-recovery-in-rats-with-spinal-cord-injury
#3
Guan-Lin Lin, Huan Wang, Jun Dai, Xiao Li, Ming Guan, Qing Ding, Huai-Xi Wang, Huang Fang
Post-translational modifications of cellular proteins with ubiquitin or ubiquitin-like proteins regulate many cellular processes, such as cell proliferation, differentiation, apoptosis, signal transduction, intercellular immune recognition, inflammatory response, stress response, and DNA repair. Nice4/UBAP2L is an important member in the family of ubiquitin-like proteins, and its biological function remains unknown. This study aimed to investigate the effect of UBAP2L on spinal cord injury (SCI). At first, rat bone marrow mesenchymal stem cells (BMSCs) were infected with adeno-associated virus to induce over-expression of Nice4...
December 2018: Current medical science
https://www.readbyqxmd.com/read/30533035/dental-pulp-derived-stem-cell-conditioned-medium-to-regenerate-peripheral-nerves-in-a-novel-animal-model-of-dysphagia
#4
Takeshi Tsuruta, Kiyoshi Sakai, Junna Watanabe, Wataru Katagiri, Hideharu Hibi
In nerve regeneration studies, various animal models are used to assess nerve regeneration. However, because of the difficulties in functional nerve assessment, a visceral nerve injury model is yet to be established. The superior laryngeal nerve (SLN) plays an essential role in swallowing. Although a treatment for SLN injury following trauma and surgery is desirable, no such treatment is reported in the literature. We recently reported that stem cells derived from human exfoliated deciduous teeth (SHED) have a therapeutic effect on various tissues via macrophage polarization...
2018: PloS One
https://www.readbyqxmd.com/read/30524227/exosomes-derived-from-mir-133b-modified-mesenchymal-stem-cells-promote-recovery-after-spinal-cord-injury
#5
Dong Li, Peng Zhang, Xiyang Yao, Haiying Li, Haitao Shen, Xiang Li, Jiang Wu, Xiaocheng Lu
Dysregulation of microRNAs (miRNAs) has been found in injured spinal cords after spinal cord injury (SCI). Previous studies have shown that miR-133b plays an important role in the differentiation of neurons and the outgrowth of neurites. Recently, exosomes have been used as novel biological vehicles to transfer miRNAs locally or systemically, but little is known about the effect of the delivery of exosome-mediated miRNAs on the treatment of SCI. In the present study, we observed that mesenchymal stem cells, the most common cell types known to produce exosomes, could package miR-133b into secreted exosomes...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/30506720/stem-cell-based-cell-therapy-for-neuroprotection-in-stroke-a-review
#6
Reza Rikhtegar, Mehdi Yousefi, Sanam Dolati, Hosein Delavar Kasmaei, Saeid Charsouei, Mohammad Nouri, Seyed Kazem Shakouri
Neurological disorders, such as stroke, are triggered by a loss of neurons and glial cells. Ischemic stroke remains a substantial problem for industrialized countries. Over the previous few decades our understanding about the pathophysiology of stroke has enhanced, nevertheless, more awareness is required to advance the field of stroke recovery. Existing therapies are incapable to adequately relief the disease outcome and are not appropriate to all patients. Meanwhile, the majority of patients continue to show neurological deficits even subsequent effective thrombolysis, recuperative therapies are immediately required that stimulate brain remodeling and repair once stroke damage has happened...
December 2, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30484229/application-of-muse-cell-therapy-to-stroke
#7
Kuniyasu Niizuma, Cesar V Borlongan, Teiji Tominaga
Stroke is defined as a sudden onset of neurologic deficits arising from cerebrovascular complications. It is the second common cause of death around the world and the major cause of disability. Because brain is an organ with complicated neural networks and neurons are highly differentiated, it has been traditionally considered to possess a limited potential for regeneration. The number of stroke patients is increasing, and stroke represents a serious problem from the viewpoint of the national medical economy...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30477146/engineered-mesenchymal-stem-cells-expressing-stromal-cell-derived-factor-1-improve-erectile-dysfunction-in-streptozotocin-induced-diabetic-rats
#8
Seung Hwan Jeon, Guan Qun Zhu, Woong Jin Bae, Sae Woong Choi, Hyun Cheol Jeong, Hyuk Jin Cho, U-Syn Ha, Sung-Hoo Hong, Ji Youl Lee, Eun Bi Kwon, Hyo-Jin Kim, Soon Min Lee, Hey-Yon Kim, Sae Woong Kim
Effective therapies for erectile dysfunction (ED) associated with diabetes mellitus (DM) are needed. In this study, the effects of stromal cell-derived factor-1 (SDF-1)-expressing engineered mesenchymal stem cells (SDF-1 eMSCs) and the relevant mechanisms in the corpus cavernosum of a streptozotocin (STZ)-induced DM ED rat model were evaluated. In a randomized controlled trial, Sprague⁻Dawley (SD) rats ( n = 48) were divided into four groups ( n = 12/group): Normal (control), DM ED (diabetes induced by STZ), DM ED + BM-MSC (treated with bone marrow [BM]-derived MSCs), and DM ED + SDF-1 eMSC (treated with SDF-1-expressing BM-MSCs)...
November 23, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/30474446/biotechnological-management-of-angiopathic-wounds-challenges-and-perspectives
#9
Yufeng Jiang, Meirong Li, Xiaobing Fu
Angiopathic wound is a wound that develops as a result of a local vascular lesion. Angiogenesis is an important aspect underlying repair, and increased angiogenesis could accelerate and improve the healing outcome. Biotherapy has been used more and more in clinic and brings hope for angiopathic wound treatment, through the rapid recovery of angiogenesis and regulation and correction of the whole wound microenvironment. In this article, we discuss the advantages and disadvantages of various technologies ranging from presentation of angiogenic growth factors, genetic strategies, stem cells, and biomaterials engineering in angiopathic wound treatment...
November 25, 2018: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/30471208/effect-of-hormone-modulations-on-donor-derived-spermatogenesis-or-colonization-after-syngeneic-and-xenotransplantation-in-mice
#10
G Shetty, Z Wu, T N A Lam, T T Phan, K E Orwig, M L Meistrich
BACKGROUND: Cytotoxic cancer treatments, such as irradiation, can cause permanent sterility in male mammals owing to the loss of spermatogonial stem cells. In animal models, spermatogenesis could be restored from transplanted spermatogonial stem cells. Previously, we showed that transient suppression of FSH, LH, and testosterone in the recipient with a gonadotropin-releasing hormone antagonist (GnRH-ant), given immediately after irradiation, enhanced spermatogenesis from transplanted spermatogonial stem cells in mice and monkeys...
November 23, 2018: Andrology
https://www.readbyqxmd.com/read/30464656/chronic-lateral-epicondylitis-challenges-and-solutions
#11
REVIEW
Wilson C Lai, Brandon J Erickson, Ryan A Mlynarek, Dean Wang
Lateral epicondylitis (LE) is a significant source of pain and dysfunction resulting from repetitive gripping or wrist extension, radial deviation, and/or forearm supination. Although most cases are self-limiting over several years, controversy exists regarding the best treatment strategy for chronic LE. Nonsteroidal anti-inflammatory drugs (NSAIDs), physical therapy (PT), shockwave therapy, and injections with corticosteroids or biologics are all conservative treatment options for LE. For refractory cases, surgical options include open, arthroscopic, and percutaneous techniques...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/30462331/effect-of-salidroside-on-bone-marrow-haematopoiesis-in-a-mouse-model-of-myelosuppressed-anaemia
#12
Xiaoyan Chen, Chunjuan Fang
This study was designed to investigate the effect of salidroside (SAL) on bone marrow haematopoiesis in a mouse model of myelosuppressed anemia. After the mouse model was established by 60Co γ irradiation and cyclophosphamide, pancytopenia and a sharp reduction in bone marrow stromal cells and bone marrow haematopoietic stem cells (lineage-Sca1+c-kit+) were observed. This was greatly alleviated by SAL (25 mg/kg, 50 mg/kg, 100 mg/kg) in a dose-dependent manner (50% effective dose value of 35.7 mg/kg and 61...
November 20, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/30459876/spinal-cord-derived-neural-precursor-cells-as-a-preventive-therapy-for-spinal-cord-injury
#13
Seyed Mojtaba Hosseini, Ali Sharafkhah, Seyyed Mohyeddin Ziaee
Background: Spinal cord injury (SCI) as one of the most important diseases of central nervous system (CNS) without any definite treatment is still growing in incidence. In addition to trauma, some surgeries such as cardiac and thoracic aorta surgery may result in SCI as a complication. In last years, a promising approach has shed light on this CNS injury thanks to stem cell technology. Stem cell therapy could be considered as a good candidate for transplantation and enhancing neural regeneration in SCI...
October 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/30459705/microrna-21-overexpression-promotes-the-neuroprotective-efficacy-of-mesenchymal-stem-cells-for-treatment-of-intracerebral-hemorrhage
#14
Heyu Zhang, Yanzhe Wang, Qing Lv, Jun Gao, Liuting Hu, Zhiyi He
Intracerebral hemorrhage (ICH) has high morbidity and mortality, with no effective treatment at present. One possible therapeutic strategy involves the use of mesenchymal stem cells (MSCs), which have shown promise in experimental models and have great potential for treating nervous illnesses in humans. However, many deficiencies in MSC treatment still need to be addressed, including their poor survival rate post-transplantation. Previously, we reported that the microRNA-21 (miR-21) is downregulated in ICH patients' blood and brain tissue...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/30452974/poly-lactide-co-glycolide-plga-scaffold-induces-short-term-nerve-regeneration-and-functional-recovery-following-sciatic-nerve-transection-in-rats
#15
Franciele Pereira Dos Santos, Thais Peruch, Sonia Jabbar Vittorassi Katami, Ana Paula Rodrigues Martini, Thayane Antoniolli Crestani, Kerlin Quintiliano, Natasha Maurmann, Eduardo Farias Sanches, Carlos Alexandre Netto, Patricia Pranke, Aline de Souza Pagnussat
Peripheral nerve injury is an important cause of incapability and has limited available treatment. Autologous donor nerve implant is the golden standard treatment, however, may cause secondary deficits. Stem cells show positive results in preclinical settings, preserving tissue and function. We tested the efficacy of stem cells derived from human exfoliated deciduous teeth seeded in poly (lactide-co-glycolide) scaffolds in sciatic nerve transection model. Seventy-two adult male Wistar rats had 7-mm nerve gap bridge using scaffolds with (or without) stem cells...
November 16, 2018: Neuroscience
https://www.readbyqxmd.com/read/30450413/mitochondrial-targeting-as-a-novel-therapy-for-stroke
#16
REVIEW
Eleonora Russo, Hung Nguyen, Trenton Lippert, Julian Tuazon, Cesar V Borlongan, Eleonora Napoli
Stroke is a main cause of mortality and morbidity worldwide. Despite the increasing development of innovative treatments for stroke, most are unsuccessful in clinical trials. In recent years, an encouraging strategy for stroke therapy has been identified in stem cells transplantation. In particular, grafting cells and their secretion products are leading with functional recovery in stroke patients by promoting the growth and function of the neurovascular unit - a communication framework between neurons, their supply microvessels along with glial cells - underlying stroke pathology and recovery...
July 2018: Brain Circulation
https://www.readbyqxmd.com/read/30449915/prospective-applications-of-induced-pluripotent-stem-cells-in-military-medicine
#17
REVIEW
Bitan Saha, H Krishna Kumar, Manash P Borgohain, Rajkumar P Thummer
Soldiers involved in combat operations worldwide may be subjected to a wide array of tissue-specific injuries of varying degrees, thereby undergoing complicated medical treatments and prolonged rehabilitations. In many cases involving inadequate recovery, soldiers are further mentally traumatized as they can no longer serve their beloved country. In addition, many severe injuries can lead to soldiers being incapacitated for life and unable to perform even the most basic day-to-day activities. Present therapy for combat injuries is majorly aimed at alleviating pain and limiting further tissue damage from secondary infections...
October 2018: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/30431127/conditioned-medium-from-human-palatine-tonsil-mesenchymal-stem-cells-attenuates-acute-graft%C3%A2-vs-%C3%A2-host-disease-in-mice
#18
Kyung-Ah Cho, Yu-Hee Kim, Minhwa Park, Hye Ji Kim, So-Youn Woo, Joo-Won Park, Kyung-Ha Ryu
Graft-vs.-host disease (GVHD) is a severe and potentially life-threatening complication of hematopoietic stem cell transplantation. Approximately 50% of patients exhibiting GVHD will not benefit from conventional steroid treatment. Although several second‑line treatments are available for these patients, their prognoses remain poor due to the increased risk of infection, immunosuppression-mediated toxicity and incomplete GVHD remission, which occurs in the majority of cases. Mesenchymal stem cells (MSCs), a multipotent cell population, possess broad immunosuppressive activity and are a reportedly effective treatment of GVHD...
November 13, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30430685/melatonin-protects-mesenchymal-stem-cells-from-autophagy-mediated-death-under-ischaemic-er-stress-conditions-by-increasing-prion-protein-expression
#19
Jun Hee Lee, Yeo Min Yoon, Yong-Seok Han, Seo Kyung Jung, Sang Hun Lee
OBJECT: The purpose of this study was to explore whether melatonin could protect mesenchymal stem cells (MSCs) against ischaemic injury, by inhibiting endoplasmic reticulum (ER) stress and autophagy both in vivo and in vitro. MATERIALS AND METHODS: To confirm the protective effect of melatonin against ER stress in MSCs, markers of cell viability, apoptosis and autophagy were analysed. To further investigate the regenerative effect of melatonin-treated MSCs in ischaemic tissues, a murine hindlimb ischaemic model was established...
November 14, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/30429066/polyurethane-scaffolds-seeded-with-autologous-cells-can-regenerate-long-esophageal-gaps-an-esophageal-atresia-treatment-model
#20
Todd Jensen, Heather Wanczyk, Ishna Sharma, Adam Mitchell, Wael N Sayej, Christine Finck
BACKGROUND: Pediatric patients suffering from long gap esophageal defects or injuries are in desperate need of innovative treatment options. Our study demonstrates that two different cell sources can adhere to and proliferate on a retrievable synthetic scaffold. In feasibility testing of translational applicability, these cell seeded scaffolds were implanted into piglets and demonstrated esophageal regeneration. METHODS: Either porcine esophageal epithelial cells or porcine amniotic fluid was obtained and cultured in 3 dimensions on a polyurethane scaffold (Biostage)...
October 22, 2018: Journal of Pediatric Surgery
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