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fetal cell isolation

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https://www.readbyqxmd.com/read/29909746/trophoblast-derived-cxcl16-decreased-granzyme-b-production-of-decidual-%C3%AE-%C3%AE-t-cells-and-promoted-bcl-xl-expression-of-trophoblasts
#1
Deng-Xuan Fan, Wen-Jie Zhou, Li-Ping Jin, Ming-Qing Li, Xiang-Hong Xu, Cong-Jian Xu
BACKGROUND: Decidual γδ T cells are known to regulate the function of trophoblasts at the maternal-fetal interface; however, little is known about the molecular mechanisms of cross talk between trophoblast cells and decidual γδ T cells. METHODS: Expression of chemokine C-X-C motif ligand 6 (CXCL16) and its receptor CXCR6 was evaluated in first-trimester human villus and decidual tissues by immunohistochemistry. γδ T cells were isolated from first-trimester human deciduae and cocultured with JEG3 trophoblast cells...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29908162/isolation-and-characterization-of-endothelial-colony-forming-cells-from-mononuclear-cells-of-rat-bone-marrow
#2
Shukui Yu, Zhongxuan Li, Wei Zhang, Zhengde Du, Ke Liu, Denghua Yang, Shusheng Gong
Transplantation of bone marrow-derived endothelial progenitor cells (BM-EPCs) has been used as a therapeutic strategy for vascular repair. However, it remains controversial whether BM-EPCs exhibit clonal endothelial colony-forming cell (ECFC) capacity, a characteristic of true EPCs. The aim of this study was to isolate and explore the cellular properties of BM-ECFCs. We isolated BM-ECFCs from rat bone marrow with high purity via an optimized method. This approach involved the removal of selective colonies based on the conventional differential adhesive culture method used to isolate ECFCs from peripheral and umbilical cord blood...
June 13, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29893818/oxidative-stress-induced-tgf-beta-tab1-mediated-p38mapk-activation-in-human-amnion-epithelial-cells
#3
Lauren Richardson, Christopher Luke Dixon, Leopoldo Aguilera-Aguirre, Ramkumar Menon
Term and preterm parturition are associated with oxidative stress (OS)-induced p38 mitogen-activated protein kinase (MAPK)-mediated fetal tissue (amniochorion) senescence. p38MAPK activation is a complex cell and stimulant-dependent process. Two independent pathways of OS-induced p38MAPK activation were investigated in amnion epithelial cells (AECs) in response to cigarette smoke extract (CSE: a validated OS inducer in fetal cells: 1) The OS-mediated oxidation of apoptosis-signaling kinase (ASK)-1 bound Thioredoxin (Trx[SH]2 dissociates this complex, creating free and activated ASK1-signalosome and 2) transforming growth factor mediated activation of (TGF)-beta-activated kinase (TAK)1 and TGF-beta-activated kinase 1-binding protein (TAB)1...
June 11, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29887536/corticosterone-induces-growth-hormone-expression-in-pituitary-somatotrophs-during-goose-embryonic-development
#4
Jianning Yu, Leyan Yan, Zhe Chen, Hui Li, Huanxi Zhu, Rong Chen, ZhenDan Shi
Treatment of fetal rat and embryonic chicken with exogenous glucocorticoids induces premature differentiation of growth hormone (GH) secreting cells. The effect of corticosterone (CORT) on somatotroph differentiation was mostly studied in pituitary cells in vitro. Currently, there is no evidence for glucocorticoid-mediated induction of somatotroph differentiation during pituitary development in bird species other than chicken. In this study, we sought to find out if in ovo injection of corticosterone into developing goose embryos could induce premature increase of GH in somatotrophs...
June 8, 2018: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/29883554/abscisic-acid-a-novel-uterine-stimulator-in-normal-and-diabetic-rats
#5
Shereen M Samir, Abeer F Mostafa
INTRODUCTION: Diabetes is usually associated with alterations in myometrial contractility with altered oxytocin responsiveness that increase the incidence of fetal and maternal morbidity and mortality. Pancreatic β-cells release abscisic acid (ABA) in response to glucose which in turn potentiates insulin secretion. AIM OF THE STUDY: was to find out the effect of abscisic acid on the uterine contractility in normal and diabetic induced rats and tried to detect its possible underlying signaling pathway...
June 8, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29876178/a-novel-porcine-model-for-future-studies-of-cell-enriched-fat-grafting
#6
Bo S Rasmussen, Celine L Sørensen, Peter V Vester-Glowinski, Mikkel Herly, Sorel Kurbegovic, Mathias Ørholt, Jesper D Svalgaard, Stig-Frederik T Kølle, Annemarie T Kristensen, Maj-Lis M Talman, Krzysztof T Drzewiecki, Anne Fischer-Nielsen
Background: Cell-enriched fat grafting has shown promising results for improving graft survival, although many questions remain unanswered. A large animal model is crucial for bridging the gap between rodent studies and human trials. We present a step-by-step approach in using the Göttingen minipig as a model for future studies of cell-enriched large volume fat grafting. Methods: Fat grafting was performed as bolus injections and structural fat grafting. Graft retention was assessed by magnetic resonance imaging after 120 days...
April 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29867539/revisiting-the-role-of-trp-orai-and-asic-channels-in-the-pulmonary-arterial-response-to-hypoxia
#7
REVIEW
Roberto V Reyes, Sebastián Castillo-Galán, Ismael Hernandez, Emilio A Herrera, Germán Ebensperger, Aníbal J Llanos
The pulmonary arteries are exquisitely responsive to oxygen changes. They rapidly and proportionally contract as arterial PO2 decrease, and they relax as arterial PO2 is re-established. The hypoxic pulmonary vasoconstriction (HPV) is intrinsic since it does not require neural or endocrine factors, as evidenced in isolated vessels. On the other hand, pulmonary arteries also respond to sustained hypoxia with structural and functional remodeling, involving growth of smooth muscle medial layer and later recruitment of adventitial fibroblasts, secreted mitogens from endothelium and changes in the response to vasoconstrictor and vasodilator stimuli...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29861772/the-role-of-semipurified-fractions-isolated-from-quercus-infectoria-on-bone-metabolism-by-using-hfob-1-19-human-fetal-osteoblast-cell-model
#8
Amira Raudhah Abdullah, Hermizi Hapidin, Hasmah Abdullah
Background. Quercus infectoria (QI) is a plant used in traditional medicines in Asia. The plant was reported to contain various active phytochemical compounds that have potential to stimulate bone formation. However, the precise mechanism of the stimulation effect of QI on osteoblast has not been elucidated. The present study was carried out to isolate QI semipurified fractions from aqueous QI extract and to delineate the molecular mechanism of QI semipurified fraction that enhanced bone formation by using hFOB1...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29846432/pd-1-pd-l1-regulates-treg-differentiation-in-pregnancy-induced-hypertension
#9
Lai Jiang, Chaoliang Tang, Yanping Gong, Yujie Liu, Jie Rao, Suyu Chen, Wanjun Qu, Dabao Wu, Lei Lei, Ling Chen
Pregnancy-induced hypertension (PIH) causes significant maternal and fetal morbidity and mortality. A decreased number of regulatory T (Treg) cells is associated with the pathogenesis of PIH. The programmed cell death-1 (PD-1)/PD-ligand 1 (PD-L1) pathway is critical to normal pregnancy (NP) by promoting Treg cell development. However, the relationship between PD-1/PD-L1 and Treg differentiation in PIH has not been fully elucidated. In this study, venous blood was obtained from 20 NP and 58 PIH patients. Peripheral blood mononuclear cells (PBMCs) were isolated from venous blood...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29843193/large-scale-isolation-expansion-and-characterization-of-human-amniotic-epithelial-cells
#10
Sanjay Gottipamula, K N Sridhar
Background and Objectives: The human Amniotic epithelial cells (AME) derived from amniotic membrane of placenta have been considered as the potential fetal stem cell source with minimal or no ethical concerns and are important therapeutic tool for anti-fibrotic and regenerative therapies. Methods and Results: Here, we evaluated the isolation, media screening, scale-up and characterization of AME cells. The isolation, expansion of AMEs were performed by sequential passaging and growth kinetics studies...
May 30, 2018: International Journal of Stem Cells
https://www.readbyqxmd.com/read/29806416/-effect-of-serum-on-the-differentiation-of-neural-stem-cells
#11
Qingxi Liu, Lihui Lü, He Sun, Jinhua Zhang, Wenjian Ma, Tongcun Zhang
Objective: To investigate the effect of serum on the differentiation of neural stem cells. Methods: The neural stem cells were isolated from the embryonic hippocampus tissues of Sprague Dawley rats at 14 day of pregnancy. After culturing and passaging, the 3rd generation cells were identified by immunocytochemical staining. Then, the cells were divided into 3 groups according to the concentrations of fetal bovine serum (FBS) used in the differentiation cell culture medium: 5% (group A), 1% (group B), 0 (group C), respectively...
February 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29804170/validation-of-reference-and-identity-defining-genes-in-human-mesenchymal-stem-cells-cultured-under-unrelated-fetal-bovine-serum-batches-for-basic-science-and-clinical-application
#12
Federica Banfi, Alessandra Colombini, Carlotta Perucca Orfei, Valentina Parazzi, Enrico Ragni
The molecular profile of human mesenchymal stem cells (MSCs) have emerged as a key factor in defining their identity. Nevertheless, the effect of fetal bovine serum (FBS) batches or origin on MSC molecular signature has been neglected. In this frame, chemical fingerprint of FBS batches from unrelated countries showed strong correlation between chemical composition and country of origin. Thus, the aim of this study was to evaluate in stem cells isolated from bone marrow (BMMSCs) and umbilical cord-blood (CBMSCs) the effects of independently collected FBS batches on both twelve commonly used reference genes (RGs) and a selected panel of thirty-eight genes crucial for MSC definition in both research and clinical settings...
May 26, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29800761/soluble-inflammatory-mediators-induce-transcriptional-re-organization-that-is-independent-of-dna-methylation-changes-in-cultured-human-chorionic-villous-trophoblasts
#13
Kaiyu Jiang, Laiping Wong, Yanmin Chen, Xiaoyun Xing, Daofeng Li, Ting Wang, James N Jarvis
The studies proposed here were undertaken to test the hypothesis that, under specific circumstances (e.g., a strong enough inflammatory stimulus), genes that are repressed at the maternal-fetal interface via DNA methylation might be de-methylated, allowing either a maternal immune response to the semi-allogenic fetus or the onset of early labor. Chorionic trophoblasts (CT) were isolated from fetal membranes, followed by incubation with medium from LPS-activated PBMC or resting PBMC medium for 2 h. RNA and DNA were isolated from the cells for RNA-seq and DNA methylation studies...
May 22, 2018: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29797009/isolating-immune-cells-from-mouse-embryonic-skin
#14
Ambika S Kurbet, Srikala Raghavan
Skin is the primary barrier against the external environment and develops a robust immune network for its surveillance. The origin of the resident immune cells of the skin has become a focus of interest over past a decade. Fate mapping studies have revealed that the macrophages home into the skin as early as E12.5 and are derived from the yolk sac and fetal liver. The resident γδT cells are born in the thymus and home to the skin by E16.5. Recent work from our lab has shown that the embryonic macrophages can actively remodel the extracellular matrix in skin suggesting that the skin immune system can be activated long before exposure to foreign antigens...
May 24, 2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29778664/gestational-diabetes-mellitus-modulates-cholesterol-homeostasis-in-human-fetoplacental-endothelium
#15
Yidan Sun, Susanne Kopp, Jasmin Strutz, Chaitanya Chakravarthi Gali, Martina Zandl-Lang, Elham Fanaee-Danesh, Andrijana Kirsch, Silvija Cvitic, Saša Frank, Richard Saffery, Ingemar Björkhem, Gernot Desoye, Christian Wadsack, Ute Panzenboeck
Gestational diabetes mellitus (GDM) is associated with excessive oxidative stress which may affect placental vascular function. Cholesterol homeostasis is crucial for maintaining fetoplacental endothelial function. We aimed to investigate whether and how GDM affects cholesterol metabolism in human fetoplacental endothelial cells (HPEC). HPEC were isolated from fetal term placental arterial vessels of GDM or control subjects. Cellular reactive oxygen species (ROS) were detected by H2 DCFDA fluorescent dye. Oxysterols were quantified by gas chromatography-mass spectrometry analysis...
May 17, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29769607/facs-seq-analysis-of-pax3-derived-cells-identifies-non-myogenic-lineages-in-the-embryonic-forelimb
#16
Arun J Singh, Chih-Ning Chang, Hsiao-Yen Ma, Stephen A Ramsey, Theresa M Filtz, Chrissa Kioussi
Skeletal muscle in the forelimb develops during embryonic and fetal development and perinatally. While much is known regarding the molecules involved in forelimb myogenesis, little is known about the specific mechanisms and interactions. Migrating skeletal muscle precursor cells express Pax3 as they migrate into the forelimb from the dermomyotome. To compare gene expression profiles of the same cell population over time, we isolated lineage-traced Pax3+ cells (Pax3 EGFP ) from forelimbs at different embryonic days...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769009/mesenchymal-stem-cell-research-in-veterinary-medicine
#17
Mudasir Bashir Gugjoo, Amarpal, Vikash Chandra, Mohd Yaqoob Wani, Kuldeep Dhama, Gutulla Taru Sharma
BACKGROUND: The stem cells due to their unique characteristic features like self-renewal, multiplication, immuno-modulation and differentiation, are seen and hoped to bring new horizons in the field of biology, in general and medicine, in particular. OBJECTIVE: Among various stem cell types, currently mesenchymal stem cells (MSCs) are extensively studied in regenerative medicine owing to their readily available sources, easy harvesting and ability to differentiate both into mesodermal as well as non-mesodermal tissues with little associated ethical issues...
May 16, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29761313/genomewide-dna-methylation-responses-in-patients-with-%C3%AE-thalassemia-treated-with-yisui-shengxue-granules
#18
Yan-Ling Cheng, Xin-Hua Zhang, Yu-Wen Sun, Wen-Juan Wang, Jie Huang, Na-Li Chu, Su-Ping Fang, Zhi-Kui Wu
OBJECTIVE: To examine the clinical effects of Yisui Shengxue Granules () in the treatment of β-thalassemia and explore its mechanism on DNA methylation levels. METHODS: A randomized placebo-controlled double-blinded trial was conducted. Forty patients with β-thalassemia were recruited and distributed randomly by envelope method into an experimental group and a control group, 20 patients in each group. The patients were given Yisui Shengxue Granules in the experimental group and placebo in the control group (12 g/bag three times a day) during a 3-month intervention...
May 3, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29757275/isolation-of-primary-human-decidual-cells-from-the-fetal-membranes-of-term-placentae
#19
Tali Farine, Michael Parsons, Stephen Lye, Oksana Shynlova
The decidua, also known as the pregnant endometrium, is a critically important reproductive tissue. Decidual cells, comprised mainly of decidualized stromal cells and immune cells, are responsible for the secretion of hormonal and inflammatory factors which are critical for successful blastocyst implantation, placental development and play a role in the initiation of labor at term and preterm. Many pregnancy complications can arise from perturbations of a fine balance of different cell populations comprising decidua...
April 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29757271/the-isolation-and-culture-of-primary-epicardial-cells-derived-from-human-adult-and-fetal-heart-specimens
#20
Esther Dronkers, Asja T Moerkamp, Tessa van Herwaarden, Marie-José Goumans, Anke M Smits
The epicardium, an epithelial cell layer covering the myocardium, has an essential role during cardiac development, as well as in the repair response of the heart after ischemic injury. When activated, epicardial cells undergo a process known as epithelial to mesenchymal transition (EMT) to provide cells to the regenerating myocardium. Furthermore, the epicardium contributes via secretion of essential paracrine factors. To fully appreciate the regenerative potential of the epicardium, a human cell model is required...
April 24, 2018: Journal of Visualized Experiments: JoVE
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