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Stromal cell derived factor 1

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https://www.readbyqxmd.com/read/27921202/endogenous-stem-cells-were-recruited-by-defocused-low-energy-shock-wave-in-treating-diabetic-bladder-dysfunction
#1
Yang Jin, Lina Xu, Yong Zhao, Muwen Wang, Xunbo Jin, Haiyang Zhang
Defocused low-energy shock wave (DLSW) has been shown effects on activating mesenchymal stromal cells (MSCs) in vitro. In this study, recruitment of endogenous stem cells was firstly examined as an important pathway during the healing process of diabetic bladder dysfunction (DBD) treated by DLSW in vivo. Neonatal rats received intraperitoneal injection of 5-ethynyl-2-deoxyuridine (EdU) and then DBD rat model was created by injecting streptozotocin. Four weeks later, DLSW treatment was performed. Afterward, their tissues were examined by histology...
December 5, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27916459/molecular-characterization-of-sdf1-and-cxcr4-in-the-mozambique-tilapia-oreochromis-mossambicus
#2
Jorge Amat-Fernandez, Michael J Hammond, Di Liang, Tianfang Wang, Tomer Ventura, Abigail Elizur, Scott F Cummins
Animal sexual reproduction relies on primordial germ cells (PGCs), the predecessors of the germ cell lineage, giving rise to either spermatogonia or oogonia after the completion of gonadal differentiation. There is limited information on the mechanism of PGC migration leading to the formation of the primordial gonad in Perciform fish. Oreochromis mossambicus, a tilapiine species, was investigated that is a commercially important aquaculture species in many parts of the world while in other areas it has become an invasive pest...
November 21, 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27914035/mobilization-of-peripheral-blood-stem-cells-and-changes-in-the-concentration-of-plasma-factors-influencing-their-movement-in-patients-with-panic-disorder
#3
Marcin Jabłoński, Jolanta Kucharska Mazur, Maciej Tarnowski, Barbara Dołęgowska, Daniel Pędziwiatr, Ewa Kubiś, Marta Budkowska, Daria Sałata, Justyna Pełka Wysiecka, Arkadiusz Kazimierczak, Artur Reginia, Mariusz Z Ratajczak, Jerzy Samochowiec
In this paper we examined whether stem cells and factors responsible for their movement may serve as new biological markers of anxiety disorders. The study was carried out on a group of 30 patients diagnosed with panic disorder (examined before and after treatment), compared to 30 healthy individuals forming the control group. We examined the number of circulating HSCs (hematopoetic stem cells) (Lin-/CD45 +/CD34 +) and HSCs (Lin-/CD45 +/AC133 +), the number of circulating VSELs (very small embryonic-like stem cells) (Lin-/CD45-/CD34 +) and VSELs (Lin-/CD45-/AC133 +), as well as the concentration of complement components: C3a, C5a and C5b-9, SDF-1 (stromal derived factor) and S1P (sphingosine-1-phosphate)...
December 2, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27913088/effect-of-suction-pressures-on-cell-yield-and-functionality-of-the-adipose-derived-stromal-vascular-fraction
#4
Yuan-Wen Chen, Jing-Ru Wang, Xuan Liao, Sheng-Hong Li, Li-Ling Xiao, Biao Cheng, Guang-Hui Xie, Jian-Xing Song, Hong-Wei Liu
OBJECTIVE: The present study was performed to explore the effect of suction pressures on the cell yield of adipose-derived stromal vascular fraction (SVF) and the functionality of adipose-derived stem cells (ADSCs), situated in the SVF, and to develop optimal parameters of harvesting SVF for clinical use. METHODS: Adipose tissue was harvested from the lower abdomen of 10 patients by suction-assisted lipoplasty. Suction pressure was either -30 ± 5 kPa or -55 ± 5 kPa...
November 11, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27911779/retinoic-acid-signaling-determines-the-fate-of-uterine-stroma-in-the-mouse-m%C3%A3-llerian-duct
#5
Tadaaki Nakajima, Taisen Iguchi, Tomomi Sato
The Müllerian duct develops into the oviduct, uterus, and vagina, all of which are quite distinct in their morphology and function. The epithelial fate of these female reproductive organs in developing mice is determined by factors secreted from the stroma; however, how stromal differentiation occurs in the female reproductive organs derived from the Müllerian duct is still unclear. In the present study, roles of retinoic acid (RA) signaling in developing female reproductive tracts were investigated. Retinol dehydrogenase 10 (RDH10) and aldehyde dehydrogenase family 1 subfamily A2 (ALDH1A2) mRNAs and proteins and transactivation activity of endogenous RA were found in the stroma of proximal Müllerian ducts and gradually decreased from the proximal to caudal regions in fetal mice...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911371/development-of-stem-cell-derived-antigen-specific-regulatory-t-cells-against-autoimmunity
#6
Mohammad Haque, Kristin Fino, Praneet Sandhu, Jianxun Song
Autoimmune diseases arise due to the loss of immunological self-tolerance. Regulatory T cells (Tregs) are important mediators of immunologic self-tolerance. Tregs represent about 5 - 10% of the mature CD4(+) T cell subpopulation in mice and humans, with about 1 - 2% of those Tregs circulating in the peripheral blood. Induced pluripotent stem cells (iPSCs) can be differentiated into functional Tregs, which have a potential to be used for cell-based therapies of autoimmune diseases. Here, we present a method to develop antigen (Ag)-specific Tregs from iPSCs (i...
November 8, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27907211/characterization-and-immunomodulatory-effects-of-canine-adipose-tissue-and-bone-marrow-derived-mesenchymal-stromal-cells
#7
Keith A Russell, Natalie H C Chow, David Dukoff, Thomas W G Gibson, Jonathan LaMarre, Dean H Betts, Thomas G Koch
BACKGROUND: Mesenchymal stromal cells (MSC) hold promise for both cell replacement and immune modulation strategies owing to their progenitor and non-progenitor functions, respectively. Characterization of MSC from different sources is an important and necessary step before clinical use of these cells is widely adopted. Little is known about the biology and function of canine MSC compared to their mouse or human counterparts. This knowledge-gap impedes development of canine evidence-based MSC technologies...
2016: PloS One
https://www.readbyqxmd.com/read/27906439/in-vitro-neural-differentiation-of-bone-marrow-stromal-cells-induced-by-hepatocyte-growth-factor-and-glial-cell-derived-neurotrophic-factor
#8
Q Ma, M Cai, J-W Shang, J Yang, X-Y Gu, W-B Liu, Q Yang
OBJECTIVE: Bone marrow stromal cells (BMSCs) have great potential for cell-based transplantation therapy in treating neurological disease. However, the best combination of various trophic factors to produce full neural differentiation of BMSCs was still unclear. In our study, we aimed to investigate the neural differentiation capacity of rat BMSCs induced by growth factors including hepatocyte growth factor (HGF) and glial cell-derived neurotrophic factor (GDNF). MATERIALS AND METHODS:   Cell counting kit-8 (CCK-8) assay, BrdU cell proliferation assay and flow cytometry were implemented to evaluate whether GDNF and HGF had positive effects on the proliferation of BMSCs...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27904036/differential-regulation-of-lympho-myelopoiesis-by-stromal-cells-in-the-early-and-late-phases-in-balb-c-mice-repeatedly-exposed-to-lipopolysaccharide
#9
Isao Tsuboi, Tomonori Harada, Yoko Hirabayashi, Jun Kanno, Shin Aizawa
Chronic lipopolysaccharide (LPS) exposure to mice reduces the lymphoid compartment and skews the hematopoietic cell compartment toward myeloid-cells, which is considered to be a direct effect of LPS on hematopoietic stem cells. However, the effect of chronic LPS exposure on stromal-cells, which compose the hematopoietic microenvironment, has not been elucidated. Here, we investigated early- and late-phase effects of repeated LPS exposure on stromal-cells. During the early phase, when mice were treated with 5 or 25 µg LPS three times at weekly intervals, the numbers of myeloid-progenitor (colony forming unit-granulocyte macrophage (CFU-GM)) cells and B lymphoid-progenitor (CFU-preB) cells in the bone-marrow (BM) rapidly decreased after each treatment...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27899064/gdf5-mediated-enhancement-of-chondrocyte-phenotype-is-inhibited-by-heparin-implication-for-the-use-of-heparin-in-the-clinic-and-in-tissue-engineering-applications
#10
Bethanie Imogen Ayerst, Raymond A A Smith, Victor Nurcombe, Anthony J Day, Catherine L R Merry, Simon Cool
The highly sulfated glycosaminoglycan (GAG) heparin is widely used in the clinic as an anticoagulant, and researchers are now using it to enhance stem cell expansion/ differentiation protocols, as well as to improve the delivery of growth factors for tissue engineering strategies. Growth differentiation factor 5 (GDF5) belongs to the bone morphogenetic protein family of proteins and is vital for skeletal formation, however, its interaction with heparin and heparan sulfate (HS) has not been studied. We identify GDF5 as a novel heparin/ HS-binding protein, and show that HS proteoglycans are vital in localizing GDF5 to the cell surface...
November 29, 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27893751/25-hydroxy-and-1%C3%AE-25-dihydroxycholecalciferol-have-greater-potencies-than-25-hydroxy-and-1%C3%AE-25-dihydroxyergocalciferol-in-modulating-cultured-human-and-mouse-osteoblast-activities
#11
Allahdad Zarei, Philippa A Hulley, Afsie Sabokbar, M Kassim Javaid, Alireza Morovat
Despite differences in the phamacokinetics of 25-hydroxycholecalciferol (25(OH)D3) and 25-hydroxyergocalciferol (25(OH)D2) in man, the effects of these and their 1α-hydroxylated forms (1,25(OH)2D3 and 1,25(OH)2D2) on cellular activity of vitamin D-responsive cells have hardly been compared. We studied differences in the effects of these metabolites on cell number, gene transcription, protein expression and mineralisation of cultured human bone marrow-derived stromal cells (hBMSC) and rapidly mineralising mouse 2T3 osteoblasts...
2016: PloS One
https://www.readbyqxmd.com/read/27882150/effect-of-stromal-cell-derived-factor-1-on-myocardial-apoptosis-and-cardiac-function-recovery-in-rats-with-acute-myocardial-infarction
#12
Yuanyuan Liu, Songtao Gao, Zheng Wang, Yan Yang, Hong Huo, Xuefeng Tian
The aim of the study was to investigate the effect of stromal cell-derived factor-1 (SDF-1) on myocardial apoptosis and cardiac function recovery in rats with acute myocardial infarction (AMI) and the mechanism of the Toll-like receptor (TLR)-4/nuclear factor-κB (NF-κB) signaling pathway. A total of 64 healthy male F344 rats were randomly divided into the sham operation, model, SDF-1 intervention and SDF-1 antibody groups, with 16 rats in each group. The method of Olivette was used to establish the AMI model by ligation of the left anterior descending artery...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27872880/data-on-quantification-of-signaling-pathways-activated-by-kit-and-pdgfra-mutants
#13
Christelle Bahlawane, Martine Schmitz, Elisabeth Letellier, Karthik Arumugam, Nathalie Nicot, Petr V Nazarov, Serge Haan
The present data are related to the article entitled "Insights into ligand stimulation effects on gastro-intestinal stromal tumors signaling" (C. Bahlawane, M. Schmitz, E. Letellier, K. Arumugam, N. Nicot, P.V. Nazarov, S. Haan, 2016) [1]. Constitutive and ligand-derived signaling pathways mediated by KIT and PDGFRA mutated proteins found in gastrointestinal stromal tumors (GIST) were compared. Expression of mutant proteins was induced by doxycycline in an isogenic background (Hek293 cells). Kit was identified by FACS at the cell surface and found to be quickly degraded or internalized upon SCF stimulation for both Kit Wild type and Kit mutant counterparts...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27870972/mek-erk-signaling-is-involved-in-the-role-of-vegf-and-igf1-in-cardiomyocyte-differentiation-of-mouse-adipose-tissue-derived-stromal-cells
#14
Chunhui Wang, Wenhui Liu, Xianning Zhang, Yinghui Wang, Huan Liu, Haifang Li
BACKGROUND: We found that mouse brown adipose tissue-derived stromal cells (BATDCs), but not white adipose tissue-derived stromal cells (WATDCs), could spontaneously differentiate into cardiomyocyte-like cells in a simple culture medium. This study would find out some critical trophic factors that were responsible for such difference in differentiation, and further determine the involved signaling pathway. METHODS AND RESULTS: The cardiomyocyte differentiation capacity of cells was identified by morphological observations, immunofluorescence staining, and evaluation of expression of cardiomyocyte specific markers...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27865159/dietary-glutamine-supplementation-enhances-endothelial-progenitor-cell-mobilization-in-streptozotocin-induced-diabetic-mice-subjected-to-limb-ischemia
#15
Shiau-Tsz Su, Chiu-Li Yeh, Yu-Chen Hou, Man-Hui Pai, Sung-Ling Yeh
Diabetes is a metabolic disorder with increased risk of vascular diseases. Tissue ischemia may occur with diabetic vascular complications. Bone marrow-derived endothelial progenitor cells (EPCs) constitute a reparative response to ischemic injury. This study investigated the effects of oral glutamine (GLN) supplementation on circulating EPC mobilization and expression of tissue EPC-releasing markers in diabetic mice subjected to limb ischemia. Diabetes was induced by a daily intraperitoneal injection of streptozotocin for 5 days...
October 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27862694/mesenchymal-stem-cell-derived-microvesicles-modulate-lps-induced-inflammatory-responses-to-microglia-cells
#16
Yarúa Jaimes, Yahaira Naaldijk, Kerstin Wenk, Christiane Leovsky, Frank Emmrich
Microglia cells are the central nervous system immune cells and have been pointed out as the main mediators of the inflammation leading to neurodegenerative disorders. Mesenchymal stromal cells (MSCs) are a heterogeneous population of cells with very high self-renewal properties and uncomplicated in vitro culture. Research has shown that MSCs have the capacity to induce tissue regeneration and reduce inflammation. Studies demonstrated that MSCs have complex paracrine machineries involving shedding of cell-derived microvesicles (MVs), which entail part of the regulatory and regenerative activity of MSCs, as observed in animal models...
November 16, 2016: Stem Cells
https://www.readbyqxmd.com/read/27860364/a-reproducible-method-for-the-isolation-and-expansion-of-ovine-mesenchymal-stromal-cells-from-bone-marrow-for-use-in-regenerative-medicine-preclinical-studies
#17
Marta Caminal, Roberto Vélez, Rosa Maria Rabanal, Daniel Vivas, Laura Batlle-Morera, Màrius Aguirre, Jordi Barquinero, Joan García, Joaquim Vives
The use of multipotent mesenchymal stromal cells (MSCs) as candidate medicines for treating a variety of pathologies is based on their qualities as either progenitors for the regeneration of damaged tissue or producers of a number of molecules with pharmacological properties. Preclinical product development programmes include the use of well characterized cell populations for proof of efficacy and safety studies before testing in humans. In the field of orthopaedics, an increasing number of translational studies use sheep as an in vivo test system because of the similarities with humans in size and musculoskeletal architecture...
November 18, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27856608/reversal-of-bone-marrow-mobilopathy-and-enhanced-vascular-repair-by-angiotensin-1-7-in-diabetes
#18
Goutham Vasam, Shrinidh Joshi, Sean E Thatcher, Stephen H Bartelmez, Lisa A Cassis, Yagna Pr Jarajapu
Ang-(1-7)/MasR pathway activates vascular repair-relevant functions of bone marrow progenitor cells. We tested the effects of Ang-(1-7) on mobilization and vasoreparative functions of progenitor cells that are impaired in diabetes. Study was carried out in streptozotocin-induced diabetic or db/db mice. Diabetes resulted in decreased number of Lineage(-) Sca-1(+) c-Kit(+) (LSK) cells in the circulation, which was normalized by Ang-(1-7). Diabetes-induced depletion of LSK cells in the bone marrow was reversed by Ang-(1-7)...
November 17, 2016: Diabetes
https://www.readbyqxmd.com/read/27853331/effects-of-platelet-rich-plasma-platelet-rich-fibrin-with-and-without-stromal-cell-derived-factor-1-on-repairing-full-thickness-cartilage-defects-in-knees-of-rabbits
#19
Soghra Bahmanpour, Maryam Ghasemi, Mohsen Sadeghi-Naini, Iraj Ragerdi Kashani
BACKGROUND: The purpose of this study was to create biomaterial scaffolds like platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) containing stromal cell-derived factor-1 (SDF1) as a chemokine to induce hyaline cartilage regeneration of rabbit knee in a full thickness defect. METHODS: We created a full thickness defect in the trochlear groove of thirty-six bilateral knees of eighteen mature male rabbits. The knees were randomly divided into six groups (group I: untreated control, group II: PRP, group III: PRF, group IV: Gelatin+SDF1, group V: PRP+SDF1, and group VI: PRF+SDF1)...
November 2016: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27846321/jagged-1-signaling-in-the-bone-marrow-microenvironment-promotes-endothelial-progenitor-cell-expansion-and-commitment-of-cd133-human-cord-blood-cells-for-postnatal-vasculogenesis
#20
Mika Ishige-Wada, Sang-Mo Kwon, Masamichi Eguchi, Katsuto Hozumi, Hideki Iwaguro, Taro Matsumoto, Noboru Fukuda, Hideo Mugishima, Haruchika Masuda, Takayuki Asahara
Notch signaling is involved in cell fate decisions during murine vascular development and hematopoiesis in the microenvironment of bone marrow. To investigate the close relationship between hematopoietic stem cells and human endothelial progenitor cells (EPCs) in the bone marrow niche, we examined the effects of Notch signals [Jagged-1 and Delta-like ligand (Dll)-1] on the proliferation and differentiation of human CD133+ cell-derived EPCs. We established stromal systems using HESS-5 murine bone marrow cells transfected with human Jagged-1 (hJagged-1) or human Dll-1 (hDll-1)...
2016: PloS One
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