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https://www.readbyqxmd.com/read/28217409/muscle-derived-stem-cells-stimulate-muscle-myofiber-repair-and-counteract-fat-infiltration-in-a-diabetic-mouse-model-of-critical-limb-ischemia
#1
J Tsao, I Kovanecz, N Awadalla, R Gelfand, I Sinha-Hikim, R A White, N F Gonzalez-Cadavid
BACKGROUND: Critical Limb Ischemia (CLI) affects patients with Type 2 Diabetes (T2D) and obesity, with high risk of amputation and post-surgical mortality, and no effective medical treatment. Stem cell therapy, mainly with bone marrow mesenchymal, adipose derived, endothelial, hematopoietic, and umbilical cord stem cells, is promising in CLI mouse and rat models and is in clinical trials. Their general focus is on angiogenic repair, with no reports on the alleviation of necrosis, lipofibrosis, and myofiber regeneration in the ischemic muscle, or the use of Muscle Derived Stem Cells (MDSC) alone or in combination with pharmacological adjuvants, in the context of CLI in T2D...
December 2016: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28214341/angiopoietin-2-enhances-osteogenic-differentiation-of-bone-marrow-stem-cells
#2
Mi-Lan Kang, Eun-Ah Kim, Se-Young Jeong, Gun-Il Im
Our previous studies revealed that co-transplantation of bone marrow stem cells (BMSCs) and adipose-derived stem cells (ADSCs) can enhance bone regeneration and angiogenesis. However, it is unclear which genes are involved in the regulation of osteogenesis and/or angiogenesis during the co-culturing of BMSCs and ADSCs. The expression patterns of genes associated with osteogenesis and/or angiogenesis were analyzed in osteogenesis-induced BMSCs and ADSCs using an oligonucleotide microarray. Significant difference in the expression patterns of several genes were identified from hierarchical clustering and analyzed on co-cultured BMSCs and ADSCs...
February 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28204811/isopsoralen-mediated-suppression-of-bone-marrow-adiposity-and-attenuation-of-the-adipogenic-commitment-of-bone-marrow-derived-mesenchymal-stem-cells
#3
Jian Wang, Sheng-Fa Li, Ting Wang, Chun-Han Sun, Liang Wang, Min-Jun Huang, Jian Chen, Shao-Wei Zheng, Nan Wang, Ying-Jun Zhang, Tian-Yu Chen
Osteoporosis (OP) increases the risk of bone fractures and other complications, and is thus a major clinical problem. In this study, we examined the effect of isopsoralen on the differentiation of bone-derived marrow mesenchymal stem cells (BMSCs) into osteoblasts and adipocytes, as well as bone formation under osteoporotic conditions. Primary femoral BMSCs isolated from C57BL/6 mice were used to evaluate the isopsoralen-mediated regulation of the expression of alkaline phosphatase (ALP), osteocalcin (OCN) and runt-related transcription factor 2 (RUNX2) during osteogenesis 2 weeks...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28201959/differentiation-potential-of-mesenchymal-stem-cells-derived-from-adipose-tissue-vs-bone-marrow-toward-annulus-fibrosus-cells-in-vitro
#4
Yifei Zhou, Xuqi Hu, Xuhao Zheng, Yaosen Wu, Naifeng Tian, Huazi Xu, Xiaolei Zhang
This study was to compare differentiation potential of bone marrow stem cells (BMSCs) and adipose-derived stem cells (ADSCs) from Sprague-Dawley rats towards annulus fibrosus (AF)-like cells. Using coculture plates with 0.4μm pore size polyethylene terephthalate (PET) track-etched inserts (Corning,USA), MSCs and AF cells were cocultured with direct cell-to-cell contact up till 21 days. We evaluated the AF markers expression at the histological level and molecular level. Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) results showed up regulation in AF marker gene expressions of both two MSCs after coculture...
February 13, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28198165/vascular-endothelial-growth-factor-transfected-adipose-derived-stromal-cells-enhance-bone-regeneration-and-neovascularization-from-bone-marrow-stromal-cells
#5
Mi-Lan Kang, Ji-Eun Kim, Gun-Il Im
Vascular endothelial growth factor (VEGF)-transfected adipose-derived stromal cells (ADSCs(VEGF) ) were devised to promote bone regeneration and neovascularization of bone marrow stromal cells (BMSCs). ADSCs(VEGF) were added to BMSCs and cocultured in variable proportions. ADSCs(VEGF) alone or ADSCs(VEGF) with BMSCs (BMSCs:ADSCs(VEGF) ratio of 1:0.025-0.5) induced significantly greater tube formation in human umbilical vein endothelial cells than untransfected ADSCs. The cocultures of BMSCs and ADSCs(VEGF) at ratios of 1: 0...
February 15, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28197731/comparison-of-the-effects-of-recombinant-human-bone-morphogenetic-protein-2-and-9-on-bone-formation-in-rat-calvarial-critical-size-defects
#6
Toshiaki Nakamura, Yoshinori Shirakata, Yukiya Shinohara, Richard J Miron, Kozue Hasegawa-Nakamura, Masako Fujioka-Kobayashi, Kazuyuki Noguchi
OBJECTIVES: Among bone morphogenetic protein (BMP) family members, BMP-2 and BMP-9 have demonstrated potent osteoinductive potential. However, in vivo differences in their potential for bone regeneration remain unclear. The present study aimed to compare the effects of recombinant human (rh) BMP-2 and rhBMP-9 on bone formation in rat calvarial critical-size defects (CSD). MATERIALS AND METHODS: Twenty-eight Wistar rats surgically received two calvarial defects bilaterally in each parietal bone...
February 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28194019/il-25-stimulates-m2-macrophage-polarization-and-thereby-promotes-mitochondrial-respiratory-capacity-and-lipolysis-in-adipose-tissues-against-obesity
#7
Juan Feng, Lingyi Li, Zhiying Ou, Qiao Li, Baoyong Gong, Zhenxian Zhao, Weiwei Qi, Ti Zhou, Jun Zhong, Weibin Cai, Xia Yang, Aiping Zhao, Guoquan Gao, Zhonghan Yang
Obesity and associated metabolic diseases are characterized by a chronic low-grade inflammatory state with the infiltration of many inflammatory cells, especially macrophages. Immune molecules, including some cytokines, have a close relationship with metabolism. Interleukin (IL)-25 is a member of the IL-17 cytokine family that can regulate macrophages and alleviate some metabolic dysfunction; however, its role and mechanisms in lipid metabolism remain to be extensively clarified. Human serum and liver biopsy specimens, high-fat diet-induced obesity mice and DB/DB (Lepr-/-) animal models were used to examine IL-25 expression in obesity and nonalcoholic fatty liver diseases (NAFLD)...
February 13, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28191766/concise-review-mesenchymal-stem-cell-therapy-for-pediatric-disease-perspectives-on-success-and-potential-improvements
#8
Christopher R Nitkin, Tracey L Bonfield
Mesenchymal stem cells (MSCs) represent a potentially revolutionary therapy for a wide variety of pediatric diseases, but the optimal cell-based therapeutics for such diversity have not yet been specified. The published clinical trials for pediatric pulmonary, cardiac, orthopedic, endocrine, neurologic, and hematologic diseases provide evidence that MSCs are indeed efficacious, but the significant heterogeneity in therapeutic approaches between studies raises new questions. The purpose of this review is to stimulate new preclinical and clinical trials to investigate these factors...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28191017/mouse-mesenchymal-progenitor-cells-expressing-adipogenic-and-osteogenic-transcription-factors-suppress-the-macrophage-inflammatory-response
#9
Natalie Fernandez, Heather Renna, Lauren McHugh, Katie Mazolkova, William Crugnola, Jodi F Evans
Mesenchymal progenitor cell characteristics that can identify progenitor populations with specific functions in immunity are actively being investigated. Progenitors from bone marrow and adipose tissue regulate the macrophage (MΦ) inflammatory response by promoting the switch from an inflammatory to an anti-inflammatory phenotype. Conversely, mesenchymal progenitors from the mouse aorta (mAo) support and contribute to the MΦ response under inflammatory conditions. We used cell lines with purported opposing immune-regulatory function, a bone marrow derived mesenchymal progenitor cell line (D1) and a mouse aorta derived mesenchymal progenitor cell line (mAo)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28186708/mesenchymal-stem-cell-derived-extracellular-vesicles-as-mediators-of-anti-inflammatory-effects-endorsement-of-macrophage-polarization
#10
Claudia Lo Sicco, Daniele Reverberi, Carolina Balbi, Valentina Ulivi, Elisa Principi, Luisa Pascucci, Pamela Becherini, Maria Carla Bosco, Luigi Varesio, Chiara Franzin, Michela Pozzobon, Ranieri Cancedda, Roberta Tasso
Mesenchymal Stem Cells (MSCs) are effective therapeutic agents enhancing the repair of injured tissues mostly through their paracrine activity. Increasing evidences show that besides the secretion of soluble molecules, the release of extracellular vesicles (EVs) represents an alternative mechanism adopted by MSCs. Since macrophages are essential contributors toward the resolution of inflammation, which has emerged as a finely orchestrated process, the aim of the present study was to carry out a detailed characterization of EVs released by human adipose derived-MSCs to investigate their involvement as modulators of MSC anti-inflammatory effects inducing macrophage polarization...
January 31, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28180919/pathophysiology-of-bone-fragility-in-patients-with-diabetes
#11
REVIEW
Andrea Palermo, Luca D'Onofrio, Raffaella Buzzetti, Silvia Manfrini, Nicola Napoli
It has been well established that bone fragility is one of the chronic complications of diabetes mellitus, and both type 1 and type 2 diabetes are risk factors for fragility fractures. Diabetes may negatively affect bone health by unbalancing several pathways: bone formation, bone resorption, collagen formation, inflammatory cytokine, muscular and incretin system, bone marrow adiposity and calcium metabolism. The purpose of this narrative review is to explore the current understanding of pathophysiological pathways underlying bone fragility in diabetics...
February 8, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28174039/bioprocess-integration-for-human-mesenchymal-stem-cells-from-up-to-downstream-processing-scale-up-to-cell-proteome-characterization
#12
Bárbara Cunha, Tiago Aguiar, Sofia B Carvalho, Marta M Silva, Ricardo A Gomes, Manuel J T Carrondo, Patrícia Gomes-Alves, Cristina Peixoto, Margarida Serra, Paula M Alves
To deliver the required cell numbers and doses to therapy, scaling-up production and purification processes (at least to the liter-scale) while maintaining cells' characteristics is compulsory. Therefore, the aim of this work was to prove scalability of an integrated streamlined bioprocess compatible with current good manufacturing practices (cGMP) comprised by cell expansion, harvesting and volume reduction unit operations using human mesenchymal stem cells (hMSC) isolated from bone marrow (BM-MSC) and adipose tissue (AT-MSC)...
February 4, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28170197/enhanced-cardioprotection-by-human-endometrium-mesenchymal-stem-cells-driven-by-exosomal-microrna-21
#13
Kan Wang, Zhi Jiang, Keith A Webster, Jinghai Chen, Hengxun Hu, Yu Zhou, Jing Zhao, Lihan Wang, Yingchao Wang, Zhiwei Zhong, Cheng Ni, Qingju Li, Charlie Xiang, Ling Zhang, Rongrong Wu, Wei Zhu, Hong Yu, Xinyang Hu, Jian'an Wang
Our group recently reported positive therapeutic benefit of human endometrium-derived mesenchymal stem cells (EnMSCs) delivered to infarcted rat myocardium, an effect that correlated with enhanced secretion of protective cytokines and growth factors compared with parallel cultures of human bone marrow MSCs (BMMSCs). To define more precisely the molecular mechanisms of EnMSC therapy, in the present study, we assessed in parallel the paracrine and therapeutic properties of MSCs derived from endometrium, bone marrow, and adipose tissues in a rat model of myocardial infarction (MI)...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28170179/comparative-clinical-observation-of-arthroscopic-microfracture-in-the-presence-and-absence-of-a-stromal-vascular-fraction-injection-for-osteoarthritis
#14
Phu Dinh Nguyen, Tung Dang-Xuan Tran, Huynh Ton-Ngoc Nguyen, Hieu Trung Vu, Phuong Thi-Bich Le, Nhan Lu-Chinh Phan, Ngoc Bich Vu, Ngoc Kim Phan, Phuc Van Pham
Osteoarthritis (OA) is a degenerative cartilage disease that is characterized by a local inflammatory reaction. Consequently, many studies have been performed to identify suitable prevention and treatment interventions. In recent years, both arthroscopic microfracture (AM) and stem cell therapy have been used clinically to treat OA. This study aimed to evaluate the clinical effects of AM in the presence and absence of a stromal vascular fraction (SVF) injection in the management of patients with OA. Thirty patients with grade 2 or 3 (Lawrence scale) OA of the knee participated in this study...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28168575/efficacy-of-mesenchymal-stromal-cells-for-fistula-treatment-of-crohn-s-disease-a-systematic-review-and-meta-analysis
#15
REVIEW
Yantian Cao, Zhen Ding, Chaoqun Han, Huiying Shi, Lianlian Cui, Rong Lin
BACKGROUND AND AIM: The introduction of mesenchymal stromal cells (MSCs) has changed the management of Crohn's fistula, while it remains controversial. The aim of this study was to provide an overview of efficacy and optimum state of MSCs treatment on Crohn's fistula. METHODS: Studies reporting MSCs treatment on Crohn's fistula were searched and included. A fixed-effects model was used to assess the efficacy of MSCs, and outcomes of healing and recurrence were used to evaluate the best states of MSCs intervention...
February 6, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28162969/parathyroid-hormone-directs-bone-marrow-mesenchymal-cell-fate
#16
Yi Fan, Jun-Ichi Hanai, Phuong T Le, Ruiye Bi, David Maridas, Victoria DeMambro, Carolina A Figueroa, Serkan Kir, Xuedong Zhou, Michael Mannstadt, Roland Baron, Roderick T Bronson, Mark C Horowitz, Joy Y Wu, John P Bilezikian, David W Dempster, Clifford J Rosen, Beate Lanske
Intermittent PTH administration builds bone mass and prevents fractures, but its mechanism of action is unclear. We genetically deleted the PTH/PTHrP receptor (PTH1R) in mesenchymal stem cells using Prx1Cre and found low bone formation, increased bone resorption, and high bone marrow adipose tissue (BMAT). Bone marrow adipocytes traced to Prx1 and expressed classic adipogenic markers and high receptor activator of nuclear factor kappa B ligand (Rankl) expression. RANKL levels were also elevated in bone marrow supernatant and serum, but undetectable in other adipose depots...
January 25, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28162941/stem-cells-and-bronchopulmonary-dysplasia-the-five-questions-which-cells-when-in-which-dose-to-which-patients-via-which-route
#17
REVIEW
Martin Mueller, Boris W Kramer
Preterm birth is the leading cause of death in newborns and children. Despite advances in perinatology, immature infants continue to face serious risks such chronic respiratory impairment from bronchopulmonary dysplasia (BPD). Current treatment options are insufficient and novel approaches are desperately needed. In recent years stem cells have emerged as potential candidates to treat BPD with mesenchymal stem/stromal cells (MSCs) being particularly promising. MSCs originate from several stem cell niches including bone marrow, skin, or adipose, umbilical cord, and placental tissues...
December 24, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28144997/explant-culture-an-advantageous-method-for-isolation-of-mesenchymal-stem-cells-from-human-tissues
#18
REVIEW
Fatemeh Hendijani
Mesenchymal stem cell (MSC) research progressively moves towards clinical phases. Accordingly, a wide range of different procedures were presented in the literature for MSC isolation from human tissues; however, there is not yet any close focus on the details to offer precise information for best method selection. Choosing a proper isolation method is a critical step in obtaining cells with optimal quality and yield in companion with clinical and economical considerations. In this concern, current review widely discusses advantages of omitting proteolysis step in isolation process and presence of tissue pieces in primary culture of MSCs, including removal of lytic stress on cells, reduction of in vivo to in vitro transition stress for migrated/isolated cells, reduction of price, processing time and labour, removal of viral contamination risk, and addition of supporting functions of extracellular matrix and released growth factors from tissue explant...
February 1, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28142371/preparation-and-characterization-of-a-chitosan-gelatin-extracellular-matrix-scaffold-and-its-application-in-tissue-engineering
#19
Xiaoyan Wang, Tailong Yu, Guanghua Chen, Jilong Zou, Jianzhong Li, Jinglong Yan
Previous studies have demonstrated that extracellular matrix (ECM) can be used in tissue engineering due to its bioactivity.However, adipose-derived extracellular matrix(A-dECM) has never been applied in bone tissue engineering, and it is unknown whether it would be beneficial to the growth of bone marrow mesenchymal stem cells(BMSCs). In this study, we produced chitosan/gelatin/ A-dECM(C/G/A-dECM) scaffolds via lyophilization and cross -linking; chitosan/gelatin (C/G) scaffolds were used as controls. For the C/G/A-dECM scaffolds, the average pore size was 285...
January 31, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28142215/proteasomal-ido-degradation-reduces-the-immunosuppressive-potential-of-clinical-grade-mesenchymal-stromal-cells-undergoing-replicative-senescence
#20
Séverine Loisel, Joëlle Dulong, Cédric Ménard, Marie-Laure Renoud, Nadine Meziere, Bezier Isabelle, Maëlle Latour, Nadège Bescher, Rémy Pedeux, Nicolas Bertheuil, Erwan Flecher, Luc Sensebé, Karin Tarte
Owing to their immunosuppressive properties, mesenchymal stromal cells (MSCs) obtained from bone marrow (BM-MSCs) or adipose tissue (ASCs) are considered a promising tool for cell therapy. However, important issues should be considered to ensure the reproducible production of efficient and safe clinical-grade MSCs. In particular, high expansion rate, associated with progressive senescence, was recently proposed as one of the parameters that could alter MSC functionality. In this study, we directly address the consequences of replicative senescence on BM-MSC and ASC immunomodulatory properties...
January 31, 2017: Stem Cells
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