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https://www.readbyqxmd.com/read/28427135/-effects-of-allogeneic-bone-marrow-mesenchymal-stem-cells-on-polarization-of-peritoneal-macrophages-in-rats-with-sepsis
#1
Y H Zheng, B Xiong, Y Y Deng, W Lai, S Y Zheng, H N Bian, Z A Liu, Z F Huang, C W Sun, H H Li, H M Luo, L H Ma, H X Chen
Objective: To explore the effects of allogeneic bone marrow mesenchymal stem cells (BMSCs) on polarization of peritoneal macrophages isolated from rats with sepsis induced by endotoxin/lipopolysaccharide (LPS). Methods: (1) BMSCs were isolated, cultured and purified from 5 SD rats with whole bone marrow adherent method. The third passage of cells were collected for morphologic observation, detection of expressions of stem cell surface markers CD29, CD44, CD45, and CD90 with flow cytometer, and identification of osteogenic and adipogenic differentiation...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28422936/phenotypic-characterization-of-adherent-cells-population-cd34-cd90-cd105-derived-from-wharton-s-jelly
#2
Irena Walecka, Paulina Gil-Kulik, Arkadiusz Krzyżanowski, Marcin Czop, Dariusz Galkowski, Jolanta Karwat, Piotr Chomik, Małgorzata Świstowska, Anna Kwaśniewska, Anna Bogucka-Kocka, Janusz Kocki
BACKGROUND Mesenchymal stromal cells, MSCs, show expression of specific antigens on their surface. The aim of the study is to assess the phenotype of stem cells like isolated from the umbilical cord with respect to the presence of surface antigens CD34, CD90, and CD105 and differences in the expression of surface antigens in cells isolated from freshly sampled material in comparison with the phenotype of cells from in vitro culture. MATERIAL AND METHODS Stem cells collected from the umbilical cord from healthy patients and then cultured in vitro...
April 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28419818/local-group-2-innate-lymphoid-cells-promote-corneal-regeneration-after-epithelial-abrasion
#3
Jun Liu, Chengju Xiao, Hanqing Wang, Yunxia Xue, Dong Dong, Cuipei Lin, Fang Song, Ting Fu, Zhaorui Wang, Jiansu Chen, Hongwei Pan, Yangqiu Li, Dongqing Cai, Zhijie Li
Corneal injuries and infections are the leading cause of blindness worldwide. Thus, understanding the mechanisms that control healing of the damaged cornea is critical for the development of new therapies to promptly restore vision. Innate lymphoid cells (ILCs) are a recently identified heterogeneous cell population that has been reported to orchestrate immunity and promote tissue repair in the lungs and skin after injury. However, whether ILCs can modulate the repair process in the cornea remains poorly understood...
April 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28415588/smad-inhibitor-induces-csc-differentiation-for-effective-chemosensitization-in-cyclin-d1-and-tgf-%C3%AE-smad-regulated-liver-cancer-stem-cell-like-cells
#4
Wei Xia, Chung Mau Lo, Randy Y C Poon, Tan To Cheung, Albert C Y Chan, Lin Chen, Sitian Yang, George S W Tsao, Xiao Qi Wang
Understanding cancer stem cell (CSC) maintenance pathways is critical for the development of CSC-targeting therapy. Here, we investigated the functional role of the cyclin D1-dependent activation of Smad2/3 and Smad4 in hepatocellular carcinoma (HCC) CSCs and in HCC primary tumors. Cyclin D1 sphere-derived xenograft tumor models were employed to evaluate the therapeutic effects of a Smad inhibitor in combination with chemotherapy. Cyclin D1 overexpression confers stemness properties by enhancing single sphere formation, enhancing the CD90+ and EpCAM+ population, increasing stemness gene expression, and increasing chemoresistance...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410670/characterisation-and-intracellular-labelling-of-mesenchymal-stromal-cells-derived-from-synovial-fluid-of-horses-and-sheep
#5
J Burk, S M Glauche, W Brehm, A Crovace, E Francioso, A Hillmann, S Schubert, L Lacitignola
Multipotent mesenchymal stromal cells (MSCs) derived from synovial fluid (SF) are considered to be a promising cell type for therapeutic applications in joint disease. However, despite their potential relevance for clinical and experimental studies, there is insufficient knowledge about SF-derived MSCs isolated from horses and sheep. In this study, cells were recovered from healthy SF and bone marrow (BM) of sheep, and from healthy and osteoarthritic SF of horses. Ovine SF-MSCs were used to assess the efficiency of intracellular labelling with quantum dots (QDs)...
April 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28409292/effects-of-the-donor-age-on-proliferation-senescence-and-osteogenic-capacity-of-human-urine-derived-stem-cells
#6
Peng Gao, Peilin Han, Dapeng Jiang, Shulong Yang, Qingbo Cui, Zhaozhu Li
To study the effects of the donor age on the application potential of human urine-derived stem cells (hUSCs) in bone tissue engineering, by comparing proliferation, senescence and osteogenic differentiation of hUSCs originated from volunteers with different ages. The urine samples were collected from 19 healthy volunteers (6 cases from children group aged from 5 to 14, 5 cases from middle-aged group aged from 30 to 40, and 8 cases from the elder group aged from 65 to 75), and hUSCs were isolated and cultured...
April 13, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28408732/glial-cell-line-derived-neurotrophic-factor-transfected-placenta-derived-versus-bone-marrow-derived-mesenchymal-cells-for-treating-spinal-cord-injury
#7
Yao Lu, Hui Gao, Man Zhang, Bing Chen, Huilin Yang
BACKGROUND Placenta-derived mesenchymal stem cells (PMSCs) were isolated from placenta and had differentiation and self-renewal potential. We transfected PMSCs with glial cell line-derived neurotrophic factor (GDNF) and compared their effect for repairing spinal cord injury (SCI) with that of GDNF-transfected bone marrow-derived mesenchymal stem cell (BMSC). MATERIAL AND METHODS The PMSCs were isolated from Sprague-Dawley rat placenta; BMSCs were isolated from Sprague-Dawley rat thigh bone marrow. Primary cultured BMSCs and PMSCs were uniformly spindle-shaped...
April 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28402346/tissue-engineering-therapy-for-atrophic-maxilla-using-minimally-manipulated-cd90-and-cd105-bone-marrow-stem-cells-a-case-report
#8
Erick Valdivia, Gerardo Mendoza-Azpur, Jhon Pando, Heydi Cornejo, Antonio Carrasco, Myron Nevins, David Kim
Bone deficiencies in the jaws of edentulous patients limit the possibility of successful placement and osseointegration of endosseous implants. Bone resorption is defined as a vertical and horizontal loss of quality and quantity in the residual bone ridges; lack of bone structure requires bone grafting procedures to enable implant placement and to improve the function, predictability, and longevity of implants. The objective of this case study was to demonstrate the feasibility of a novel cell therapy treatment for localized jaw bone defects with tissue repair cells composed of a mixture of bone marrow-derived cells, including CD90+ mesenchymal stem cells and CD105+ monocytes/macrophages, and xenograft blocks, in what would be a safe and efficacious approach to the regeneration of localized craniofacial bone defects...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28395716/-insulin-like-growth-factor-1-promotes-the-proliferation-and-differentiation-of-human-periodontal-ligament-stem-cells-into-periodontal-ligament-fibroblasts
#9
Junxiu Qu, Lihui Jia, Caixin Che, Yuanyuan Yue, Jiangna Zhu, Chao Liu
Objective To investigate the effect of insulin-like growth factor 1 (IGF-1) on the proliferation and differentiation potential of human periodontal ligament stem cells (hPDLSCs). Methods The hPDLSCs were isolated by the limited dilution method. Surface markers of hPDLSCs were detected by flow cytometry. Cell clones were tested by crystal violet staining. The hPDLSCs were induced into osteoblasts and adipogenic by osteogenic and adipogenic medium. The influence of different concentrations of IGF-1 (1, 10, 30, 50, 100 ng/mL) on hPDLSCs was analyzed by CCK-8 assay...
April 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28383782/the-mir-200b-zeb1-circuit-regulates-diverse-stemness-of-human-hepatocellular-carcinoma
#10
Shu-Chun Tsai, Chen-Chun Lin, Tsung-Chieh Shih, Rong-Jeng Tseng, Ming-Chin Yu, Yu-Jr Lin, Sen-Yung Hsieh
Accumulating evidence suggests that human hepatocellular carcinoma (HCC) can be derived from cancer stem cells (CSCs), which contribute to tumor initiation, metastasis, chemoresistance, and recurrence. A great variety of HCC CSCs resulting in diverse clinical manifestations have been reported. However, how CSC diversity is regulated and generated remains unclear. Here we report that the miR-200b-ZEB1 circuit is closely involved with the induction and maintenance of a diverse group of CSCs. We found that miR-200b downregulation occurred in early HCC and associated with poor prognosis...
April 6, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28379622/histone-modifications-pattern-associated-with-a-state-of-mesenchymal-stem-cell-cultures-derived-from-amniotic-fluid-of-normal-and-fetus-affected-gestations
#11
Jūratė Savickienė, Dalius Matuzevičius, Sandra Baronaitė, Gražina Treigytė, Natalija Krasovskaja, Ilona Zaikova, Dalius Navakauskas, Algirdas Utkus, Rūta Navakauskienė
Human amniotic fluid (AF)-derived mesenchymal stem cells (MSCs) sharing embryonic and adult stem cells characteristics are interesting by their multipotency and the usage for regenerative medicine. However, the usefulness of these cells for revealing the fetal diseases still needs to be assessed. Here, we have analyzed the epigenetic environment in terms of histone modifications in cultures of MSCs derived from AF of normal pregnancies and those with fetal abnormalities. The comparison of MSCs samples from AF of normal pregnancies (N) and fetus-affected (P) revealed two distinct cultures by their proliferation potential (P I and P II)...
April 5, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28376684/equine-mesenchymal-stromal-cells-retain-a-pericyte-like-phenotype
#12
Cristina L Esteves, Tara A Sheldrake, Lucy Dawson, Timothy Menghini, Elisabeth Rink, Karin Amilon, Nusrat Khan, Bruno Peault, Xavier Donadeu
Mesenchymal Stem/Stromal Cells (MSCs) have been used in human and equine regenerative medicine, and interest in exploiting their potential has increased dramatically over the years. Despite significant effort to characterize equine MSCs, the actual origin of these cells and how much of their native phenotype is maintained in culture have not been determined. In this study, we investigated the relationship between MSCs, derived from adipose tissue (AT) and bone marrow (BM), and pericytes in the horse. Both pericyte (CD146, NG2 and αSMA) and MSC (CD29, CD90 and CD73) markers were detected in equine adipose tissue and co-localized around blood vessels...
April 4, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28366194/effects-of-a-defined-xeno-free-medium-on-the-growth-and-neurotrophic-and-angiogenic-properties-of-human-adult-stem-cells
#13
Maria Brohlin, Peyman Kelk, Mikael Wiberg, Paul J Kingham
BACKGROUND: The growth properties and neurotrophic and angiogenic effects of human mesenchymal stromal cells (MSCs) cultured in a defined xeno-free, serum-free medium (MesenCult-XF) were investigated. METHODS: Human MSCs from adipose tissue (ASCs) and bone marrow (BMSCs) were cultured in Minimum Essential Medium-alpha (α-MEM) containing fetal calf serum or in MesenCult-XF. Proliferation was measured over 10 passages and the colony-forming unit (CFU) assay and expression of cluster of differentiation (CD) surface markers were determined...
May 2017: Cytotherapy
https://www.readbyqxmd.com/read/28334693/fabrication-of-human-hair-keratin-jellyfish-collagen-eggshell-derived-hydroxyapatite-osteoinductive-biocomposite-scaffolds-for-bone-tissue-engineering-from-waste-to-regenerative-medicine-products
#14
Yavuz Emre Arslan, Tugba Sezgin Arslan, Burak Derkus, Emel Emregul, Kaan C Emregul
In the present study, we aimed at fabricating an osteoinductive biocomposite scaffold using keratin obtained from human hair, jellyfish collagen and eggshell-derived nano-sized spherical hydroxyapatite (nHA) for bone tissue engineering applications. Keratin, collagen and nHA were characterized with the modified Lowry method, free-sulfhydryl groups and hydroxyproline content analysis, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), attenuated total reflectance-fourier transform infrared spectroscopy (ATR-FTIR) and thermal gravimetric analysis (TGA) which confirmed the success of the extraction and/or isolation processes...
March 18, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28329833/thy1-cd90-expression-is-reduced-by-the-environmental-chemical-tetrabromobisphenol-a-to-promote-adipogenesis-through-induction-of-microrna-103
#15
Collynn F Woeller, E'Lissa Flores, Stephen J Pollock, Richard P Phipps
Environmental chemicals termed "obesogens" disrupt the endocrine system to promote adipogenesis and obesity. Tetrabromobisphenol-A (TBBPA) has been reported to increase adipogenesis, however, the mechanism(s) of action are unclear. Thy1 (CD90) is a glycophosphatidylinositol (GPI) -anchored membrane protein that serves as a marker for stem cells and also plays an important role in regulating adipogenesis and obesity. We investigated whether or not TBBPA promotes adipogenesis in human and mouse cells by reducing Thy1 levels...
February 22, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28325116/stem-cell-markers-describe-a-transition-from-somatic-to-pluripotent-cell-states-in-a-rat-model-of-endometriosis
#16
Essam Rashad Othman, Fatma Yassine Meligy, Ayat Abdel-Rahman Sayed, Mohamed Ahmed El-Mokhtar, Abeer Mohamed Refaiy
OBJECTIVE: To study Thy1 as a fibroblast marker, SSEA1 as a marker of intermediate pluripotency, and Oct4 as a marker of established pluripotency in rat model of endometriosis. DESIGN: In vivo animal study. MATERIALS AND METHODS: Endometriosis was induced in 20 albino female rats through autologous transplantation of one uterine horn to mesentery of intestine. Other 20 rats had their horn removed without transplantation (controls). Rats were sacrificed 4 weeks after induction surgery...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28323901/characterization-of-stromal-vascular-fraction-and-adipose-stem-cells-from-subcutaneous-preperitoneal-and-visceral-morbidly-obese-human-adipose-tissue-depots
#17
Karina Ribeiro Silva, Isis Côrtes, Sally Liechocki, João Regis Ivar Carneiro, Antônio Augusto Peixoto Souza, Radovan Borojevic, Clarissa Menezes Maya-Monteiro, Leandra Santos Baptista
BACKGROUND/OBJECTIVES: The pathological condition of obesity is accompanied by a dysfunctional adipose tissue. We postulate that subcutaneous, preperitoneal and visceral obese abdominal white adipose tissue depots could have stromal vascular fractions (SVF) with distinct composition and adipose stem cells (ASC) that would differentially account for the pathogenesis of obesity. METHODS: In order to evaluate the distribution of SVF subpopulations, samples of subcutaneous, preperitoneal and visceral adipose tissues from morbidly obese women (n = 12, BMI: 46...
2017: PloS One
https://www.readbyqxmd.com/read/28321780/isolation-culture-and-identification-of-pulmonary-arterial-smooth-muscle-cells-from-rat-distal-pulmonary-arteries
#18
Gongyong Peng, Juan Xu, Rongmin Liu, Zhenli Fu, Shaoxing Li, Wei Hong, Jinglong Chen, Bing Li, Pixin Ran
The culture of pulmonary arterial smooth muscle cells (PASMCs) is one of the most powerful tools for exploring the mechanisms of pulmonary hypertension (PH). Both pulmonary vasoconstriction and remodeling occur predominantly in distal pulmonary arteries (PA). In this study, we provide our detailed and standardized protocol for easy isolation and culture of PASMCs from rat distal PA to supply every investigator with a simple, economical and useful method in studying PH. The protocol can be divided into four stages: isolation of distal PA, isolation of cells, growth in culture and passage of cells...
March 21, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28320452/compared-to-the-amniotic-membrane-wharton-s-jelly-may-be-a-more-suitable-source-of-mesenchymal-stem-cells-for-cardiovascular-tissue-engineering-and-clinical-regeneration
#19
Lei Pu, Mingyao Meng, Jian Wu, Jing Zhang, Zongliu Hou, Hui Gao, Hui Xu, Boyu Liu, Weiwei Tang, Lihong Jiang, Yaxiong Li
BACKGROUND: The success of developing cardiovascular tissue engineering (CTE) grafts greatly needs a readily available cell substitute for endothelial and interstitial cells. Perinatal annexes have been proposed as a valuable source of mesenchymal stem cells (MSCs) for tissue engineering and regenerative medicine. The objective of the present study is to evaluate the potential of human Wharton's jelly MSCs (WJ-MSCs) and amniotic membrane MSCs (AM-MSCs) as a seeding cell in CTE and cardiovascular regenerative medicine...
March 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28319827/immunophenotypical-characterization-of-canine-mesenchymal-stem-cells-from-perivisceral-and-subcutaneous-adipose-tissue-by-a-species-specific-panel-of-antibodies
#20
Ana Ivanovska, Stefano Grolli, Paolo Borghetti, Francesca Ravanetti, Virna Conti, Elena De Angelis, Francesca Macchi, Roberto Ramoni, Paolo Martelli, Ferdinando Gazza, Antonio Cacchioli
Immunophenotypical characterization of mesenchymal stem cells is fundamental for the design and execution of sound experimental and clinical studies. The scarce availability of species-specific antibodies for canine antigens has hampered the immunophenotypical characterization of canine mesenchymal stem cells (MSC). The aim of this study was to select a panel of species-specific direct antibodies readily useful for canine mesenchymal stem cells characterization. They were isolated from perivisceral and subcutaneous adipose tissue samples collected during regular surgeries from 8 dogs...
February 27, 2017: Research in Veterinary Science
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