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Cell Transplantation

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https://www.readbyqxmd.com/read/30419763/historical-review-opiate-addiction-and-opioid-receptors
#1
Shaocheng Wang
Substance use disorders (SUDs), defined as a collection of symptoms including tolerance and withdrawal, are chronic illnesses characterized by relapse and remission. In the United States, billions of dollars have been lost due to SUDs. In the past 30 years, effective medications and behavioral interventions have played a major role in preventing relapse and facilitating longer periods of abstinence. From the late 1990s to the present, the opioid epidemic or opioid crisis in the United States has raised public awareness of SUDs...
November 13, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30419762/comparison-of-clostripain-and-neutral-protease-as-supplementary-enzymes-for-human-islet-isolation
#2
Heide Brandhorst, Paul R Johnson, Johanna Mönch, Manfred Kurfürst, Olle Korsgren, Daniel Brandhorst
Although human islet transplantation has been established as valid and safe treatment for patients with type 1 diabetes, the utilization rates of human pancreases for clinical islet transplantation are still limited and substantially determined by the quality and composition of collagenase blends. While function and integrity of collagenase has been extensively investigated, information is still lacking about the most suitable supplementary neutral proteases. The present study compared islet isolation outcome after pancreas digestion by means of collagenase used alone or supplemented with either neutral protease (NP), clostripain (CP), or both proteases...
November 13, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30409036/early-and-late-protective-effect-of-bone-marrow-mononuclear-cell-transplantation-on-radiation-induced-vascular-dysfunction-and-skin-lesions
#3
Valérie Holler, Valerie Buard, Telma Roque, Claire Squiban, Marc Benderitter, Stephane Flamant, Radia Tamarat
Skin lesions caused by accidental exposure to radiation or by radiotherapy are a major clinical challenge. We evaluated the effect of bone marrow mononuclear cells (BMMNC) on collagen remodeling and vascular function in radiation-induced skin lesions in the acute and late phases in mice. We studied the effect of BMMNC transplantation in a mouse model of cutaneous radiation injury combining local skin gamma-irradiation and biopsy punch wound. Mice were first irradiated, punched and then BMMNC were intramuscularly administered...
November 9, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30384766/a-new-approach-to-cerebral-palsy-treatment-discussion-of-the-effective-components-of-umbilical-cord-blood-and-its-mechanisms-of-action
#4
Yang Jiao, Xiao-Yan Li, Jing Liu
Cerebral palsy (CP) includes a group of persistent non-progressive disorders affecting movement, muscle tone, and/or posture. The total economic loss during the life-span of an individual with CP places a heavy financial burden on such patients and their families worldwide; however, a complete cure is still lacking. Umbilical cord blood (UCB)-based interventions are emerging as a scientifically plausible treatment and possible cure for CP. Stem cells have been used in many experimental CP animal models and achieved good results...
November 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30380914/stem-cells-from-human-exfoliated-deciduous-teeth-shed-differentiate-in-vivo-and-promote-facial-nerve-regeneration
#5
Larissa Vilela Pereira, Ricardo Ferreira Bento, Dayane B Cruz, Cláudia Marchi, Raquel Salomone, Jeanne Oiticicca, Márcio Paulino Costa, Luciana A Haddad, Regina Célia Mingroni-Netto, Heloisa Juliana Zabeu Rossi Costa
Post-traumatic lesions with transection of the facial nerve present limited functional outcome even after repair by gold-standard microsurgical techniques. Stem cell engraftment combined with surgical repair has been reported as a beneficial alternative. However, the best association between the source of stem cell and the nature of conduit, as well as the long-term postoperative cell viability are still matters of debate. We aimed to assess the functional and morphological effects of stem cells from human exfoliated deciduous teeth (SHED) in polyglycolic acid tube (PGAt) combined with autografting of rat facial nerve on repair after neurotmesis...
October 31, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30376726/epigenetic-and-transcriptome-profiling-identifies-a-population-of-visceral-adipose-derived-progenitor-cells-with-the-potential-to-differentiate-into-an-endocrine-pancreatic-lineage
#6
Michael D Williams, Mugdha V Joglekar, Sarang N Satoor, Wilson Wong, Effie Keramidaris, Amanda Rixon, Philip O'Connell, Wayne J Hawthorne, Geraldine M Mitchell, Anandwardhan A Hardikar
Type 1 diabetes (T1D) is characterized by the loss of insulin-producing β-cells in the pancreas. T1D can be treated using cadaveric islet transplantation, but this therapy is severely limited by a lack of pancreas donors. To develop an alternative cell source for transplantation therapy, we carried out the epigenetic characterization in nine different adult mouse tissues and identified visceral adipose-derived progenitors as a candidate cell population. Chromatin conformation, assessed using chromatin immunoprecipitation (ChIP) sequencing and validated by ChIP-polymerase chain reaction (PCR) at key endocrine pancreatic gene promoters, revealed similarities between visceral fat and endocrine pancreas...
October 30, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30369261/canine-adipose-derived-mesenchymal-stromal-cells-enhance-neuroregeneration-in-a-rat-model-of-sciatic-nerve-crush-injury
#7
Diego Noé Rodríguez Sánchez, Luiz Antonio de Lima Resende, Giovana Boff Araujo Pinto, Ana Lívia de Carvalho Bovolato, Fábio Sossai Possebon, Elenice Deffune, Rogério Martins Amorim
Crush injuries in peripheral nerves are frequent and induce long-term disability with motor and sensory deficits. Due to axonal and myelin sheath disruptions, strategies for optimized axonal regeneration are needed. Multipotent mesenchymal stromal cells (MSC) are promising because of their anti-inflammatory properties and secretion of neurotrophins. The present study investigated the effect of canine adipose tissue MSC (Ad-MSC) transplantation in an experimental sciatic nerve crush injury. Wistar rats were divided into three groups: sham ( n = 8); Crush+PBS ( n = 8); Crush+MSC ( n = 8)...
October 28, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30369260/in-vitro-long-term-expansion-and-high-osteogenic-potential-of-periodontal-ligament-stem-cells-more-than-a-mirage
#8
Anna Di Vito, Amerigo Giudice, Emanuela Chiarella, Natalia Malara, Francesco Bennardo, Leonzio Fortunato
The periodontal ligament displays a reservoir of mesenchymal stem cells which can account for periodontal regeneration. Despite the numerous studies directed at the definition of optimal culture conditions for long-term expansion of periodontal ligament stem cells (PDLSCs), no consensus has been reached as to what is the ideal protocol. The aim of the present study was to determine the optimal medium formulation for long-term expansion and stemness maintenance of PDLSCs, in order to obtain a sufficient number of cells for therapeutic approaches...
October 28, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30362373/the-efficacy-and-safety-of-mesenchymal-stem-cell-transplantation-for-spinal-cord-injury-patients-a-meta-analysis-and-systematic-review
#9
Panfeng Xu, Xianliang Yang
Spinal cord injury (SCI) is a devastating disease, with a high rate of disability. In this meta-analysis, we aimed to comprehensively assess the efficacy and safety of mesenchymal stem cells (MSCs) in treating clinical SCI patients. We systematically searched the PUBMED, EMBASE, Chinese Biomedical (CBM), Web of Science and Cochrane databases using the strategy of combination of free-text words and MeSH terms. The indicators of the American Spinal Injury Association (ASIA) impairment scale (AIS)-grading improvement rate and adverse effects were displayed with an overall relative risk (RR)...
October 26, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30362372/non-coding-rna-in-acute-ischemic-stroke-mechanisms-biomarkers-and-therapeutic-targets
#10
Sheng-Wen Wang, Zhong Liu, Zhong-Song Shi
Non-coding RNAs (ncRNAs) are a class of functional RNAs that regulate gene expression in a post-transcriptional manner. NcRNAs include microRNAs, long non-coding RNAs and circular RNAs. They are highly expressed in the brain and are involved in the regulation of physiological and pathophysiological processes, including cerebral ischemic injury, neurodegeneration, neural development, and plasticity. Stroke is one of the leading causes of death and physical disability worldwide. Acute ischemic stroke (AIS) occurs when brain blood flow stops, and that stoppage results in reduced oxygen and glucose supply to cells in the brain...
October 26, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30350716/the-healing-effects-of-conditioned-medium-derived-from-mesenchymal-stem-cells-on-radiation-induced-skin-wounds-in-rats
#11
JiaYang Sun, YunFeng Zhang, XianJi Song, Jiajing Zhu, QingSan Zhu
Radioactive dermatitis is caused by the exposure of skin and mucous membranes to radiation fields. The pathogenesis of radioactive dermatitis is complex and difficult to cure. Wharton's jelly-derived mesenchymal stem cells (WJ-MSCs) may serve as a promising candidate for the therapy of cutaneous wounds. The aim of this study was to investigate whether a WJ-MSC-derived conditioned medium (MSC-CM) could be used to treat radiation-induced skin wounds in rats using a radiation-induced cutaneous injury model. The present study was designed to examine MSC-CM therapy in the recovery of radiation-induced skin wounds in vitro and in vivo...
October 23, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30350715/apolipoprotein-e-affects-in-vitro-axonal-growth-and-regeneration-via-the-mapk-signaling-pathway
#12
Cheng Yin, Zong-Duo Guo, Zong-Ze He, Zhen-Yu Wang, Xiao-Chuan Sun
Following central nervous system injury in mammals, failed axonal regeneration is closely related to dysneuria. Previous studies have shown that the obvious effects of apolipoprotein E (ApoE) on traumatic brain injury (TBI) were associated with an axonal mechanism. However, little information on the actions of ApoE and its isoforms on axonal regeneration following TBI was provided. In our study, the cerebral cortices of ApoE-deficient (ApoE-/- ) and wild-type (ApoE+/+ ) mice were cultured in vitro, and an axonal transection model was established...
October 23, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30343609/mesenchymal-stem-cells-therapy-in-stroke-a-systematic-review-of-literature-in-pre-clinical-and-clinical-research
#13
Haiqing Zheng, Bin Zhang, Pratik Y Chhatbar, Yi Dong, Ali Alawieh, Forrest Lowe, Xiquan Hu, Wuwei Feng
Exogenous stem cell therapy (SCT) has been recognized recently as a promising neuroregenerative strategy to augment recovery in stroke survivors. Mesenchymal stem cells (MSCs) are the primary source of stem cells used in the majority of both pre-clinical and clinical studies in stroke. In the absence of evidence-based guidelines on the use of SCT in stroke patients, understanding the progress of MSC research across published studies will assist researchers and clinicians in better achieving success in translating research...
October 22, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30311501/exosomes-derived-from-ido1-overexpressing-rat-bone-marrow-mesenchymal-stem-cells-promote-immunotolerance-of-cardiac-allografts
#14
Ji-Gang He, Qiao-Li Xie, Bei-Bei Li, Liang Zhou, Dan Yan
BACKGROUND: The immunosuppressive activity of mesenchymal stem cells (MSCs) has been exploited to induce tolerance after organ transplantation. The indoleamine 2,3-dioxygenase (IDO) may have beneficial effects in the immunoregulatory properties of MSCs. It was recently revealed that exosomes derived from MSCs play important roles in mediating the biological functions of MSCs. This study aimed to explore the roles of exosomes derived from MSCs in the induction of immune tolerance. METHODS: Dendritic cells (DCs) and T-cells were cultured with exosomes derived from rat bone marrow MSCs (BMSCs) overexpressing IDO1 or controls...
October 12, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30311500/effect-of-polydeoxyribonucleotide-on-angiogenesis-and-wound-healing-in-an-in-vitro-model-of-osteoarthritis
#15
Ahreum Baek, Yoon Kim, Jin Woo Lee, Sang Chul Lee, Sung-Rae Cho
Osteoarthritis (OA) is degenerative disease, leading to pain and functional disability. It is reported that polydeoxyribonucleotide (PDRN) is a suitable therapy for OA. However, the therapeutic mechanisms of PDRN in OA are not fully understood. To investigate the effect of PDRN in an in vitro model of OA, interleukin (IL)-1β or phosphate-buffered saline (PBS) was used to treat a human chondrocytic cell line in hypoxic conditions for 24 h (IL-1β group or control group). PDRN was then used to treat IL-1β group cells for 24 h (PDRN group)...
October 12, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30298752/deep-brain-stimulation-for-amelioration-of-cognitive-impairment-in-neurological-disorders-neurogenesis-and-circuit-reanimation
#16
Sheng-Tzung Tsai, Horng-Jyh Harn, Shinn-Zong Lin, Guo-Fang Tseng, Shin-Yuan Chen
Acute (e.g., traumatic brain injury or stroke) and chronic (e.g., dementia or Parkinson's disease dementia) neurological disorders that involve cognitive impairment and dysfunctional neural circuits always lead to a dreadful and costly experience for patients and their families. The application of deep brain stimulation for the treatment of neuropsychiatric disorders has shown great potential to modulate pathological neural circuits and trigger endogenous neurogenesis. We summarize several important clinical and translational studies that utilize deep brain stimulation to improve cognition based on the potentiation of neural plasticity and neurogenesis...
October 9, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30298751/adipose-derived-stem-stromal-cells-on-electrospun-fibrin-microfiber-bundles-enable-moderate-muscle-reconstruction-in-a-volumetric-muscle-loss-model
#17
Jordana Gilbert-Honick, Brian Ginn, Yuanfan Zhang, Sara Salehi, Kathryn R Wagner, Hai-Quan Mao, Warren L Grayson
Current treatment options for volumetric muscle loss (VML) are limited due to donor site morbidity, lack of donor tissue, and insufficient functional recovery. Tissue-engineered skeletal muscle grafts offer the potential to significantly improve functional outcomes. In this study, we assessed the potential pro-myogenic effects of human adipose-derived stem cells (ASCs) seeded onto electrospun uniaxially aligned fibrin hydrogel microfiber bundles. Although both uninduced and 5-azacytidine-induced ASCs exhibited alignment, elongation, and diffuse muscle marker expression when grown on microfiber bundles for 2 months in vitro, both groups failed to fully recapitulate myotube characteristics...
October 9, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30298746/enhanced-effect-of-tendon-stem-progenitor-cells-combined-with-tendon-derived-decellularized-extracellular-matrix-on-tendon-regeneration
#18
Haixin Song, Zi Yin, Tao Wu, Yangzheng Li, Xun Luo, Mingzhu Xu, Lihong Duan, Jianhua Li
Decellularized extracellular matrices have been clinically used for tendon regeneration. However, only a few systematic studies have compared tendon stem/progenitor cells to mesenchymal stromal cells on the tendon-derived decellularized matrix. In the present study, we prepared extracellular matrix derived from porcine tendons and seeded with tendon stem/progenitor cells, embryonic stem cell-derived mesenchymal stromal cells or without stem cells. Then we implanted the mixture (composed of stem cells and scaffold) into the defect of a rat Achilles tendon...
October 9, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30284460/neuroprotective-action-of-human-wharton-s-jelly-derived-mesenchymal-stromal-cell-transplants-in-a-rodent-model-of-stroke
#19
Kuo-Jen Wu, Seong-Jin Yu, Chia-Wen Chiang, Yu-Wei Lee, B Linju Yen, Pei-Chi Tseng, Chun-Sen Hsu, Li-Wei Kuo, Yun Wang
Wharton's jelly-derived mesenchymal stromal cells (WJ-MSCs) have distinct immunomodulatory and protective effects against kidney, liver, or heart injury. Limited studies have shown that WJ-MSCs attenuates oxygen-glucose deprivation-mediated inflammation in hippocampal slices. The neuroprotective effect of intracerebral WJ-MSC transplantation against stroke has not been well characterized. The purpose of this study was to examine the neuroprotective effect of human WJ-MSC (hWJ-MSC) transplants in an animal model of stroke...
October 4, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30284459/effects-of-xiaoshuan-enteric-coated-capsule-on-white-and-gray-matter-injury-evaluated-by-diffusion-tensor-imaging-in-ischemic-stroke
#20
Jian Zhang, Shengpan Chen, Weilong Shi, Manzhong Li, Yu Zhan, Le Yang, Haiyan Zou, Jianfeng Lei, Xinlou Chai, Kuo Gao, Junjie Liu, Wei Wang, Yong Wang, Hui Zhao
Xiaoshuan enteric-coated capsule (XSECC) is a drug approved by the Chinese State Food and Drug Administration for the treatment of stroke. This study was to investigate the effects of XSECC on white and gray matter injury in a rat model of ischemic stroke by diffusion tensor imaging (DTI) and histopathological analyses. The ischemia was induced by middle cerebral artery occlusion (MCAO). The cerebral blood flow measured by arterial spin labeling was improved by treatment with XSECC on the 3rd, 7th, 14th and 30th days after MCAO...
October 4, 2018: Cell Transplantation
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