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https://www.readbyqxmd.com/read/28333279/inhibition-of-pim1-kinase-attenuates-inflammation-induced-pro-labour-mediators-in-human-fetal-membranes-in-vitro
#1
Ratana Lim, Gillian Barker, Martha Lappas
STUDY QUESTION: Does proviral integration site for Moloney murine leukemic virus (PIM)1 kinase play a role in regulating the inflammatory processes of human labour and delivery? SUMMARY ANSWER: PIM1 kinase plays a critical role in fetal membranes in regulating pro-inflammatory and pro-labour mediators. WHAT IS KNOWN ALREADY: Infection and inflammation have strong causal links to preterm delivery by stimulating pro-inflammatory cytokines and collagen degrading enzymes, which can lead to rupture of membranes...
March 9, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28321921/insights-into-cell-free-therapeutic-approach-role-of-stem-cell-soup-ernatant
#2
REVIEW
Shalini Raik, Ajay Kumar, Shalmoli Bhattacharyya
Current advances in medicine have revolutionized the field of regenerative medicine dramatically with newly evolved therapies for repair or replacement of degenerating or injured tissues. Stem cells can be harvested from different sources for clinical therapeutics which include fetal tissues, umbilical cord blood, embryos and adult tissues. Stem cells can be isolated and differentiated into desired lineages for tissue regeneration and cell replacement therapy. However, several loopholes need to be addressed properly before this can be extended for large scale therapeutic application...
March 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28318025/maternal-chronic-hypoxia-increases-expression-of-genes-regulating-lung-liquid-movement-and-surfactant-maturation-in-male-fetuses-in-late-gestation
#3
Erin V McGillick, Sandra Orgeig, Beth J Allison, Kirsty L Brain, Youguo Niu, Nozomi Itani, Katie L Skeffington, Andrew D Kane, Emilio A Herrera, Dino A Giussani, Janna L Morrison
Chronic fetal hypoxaemia is a common pregnancy complication that may arise from maternal, placental and/or fetal factors. Respiratory outcome of the infant at birth likely depends on the duration, timing and severity of the hypoxaemic insult. We have isolated the effect of maternal chronic hypoxia (MCH) for a month in late gestation on fetal lung development. Pregnant ewes were exposed to normoxia (21% O2 ) or hypoxia (10% O2 ) from 105-138 d gestation (term ∼145 d). At 138 d, gene expression in fetal lung tissue was determined by qRT-PCR...
March 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28316944/human-amnion-membrane-potential-applications-in-oral-and-periodontal-field
#4
REVIEW
Ranjana Mohan, Aashima Bajaj, Mohan Gundappa
Human amniotic membrane (HAM) is derived from the fetal membranes which consist of the inner amniotic membrane made of single layer of amnion cells fixed to collagen-rich mesenchyme attached to chorion. HAM has low immunogenicity, anti-inflammatory properties and their cells can be isolated without the sacrifice of human embryos. Amniotic membrane has biological properties which are important for the experimental and clinical applications in managing patients of various medical specialties. Abundant, natural and wonderful biomembrane not only protects the foetus but also has various clinical applications in the field of dermatology, ophthalmology, ENT surgery, orthopedics and dental surgery...
January 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28302378/hypothermic-storage-of-isolated-spermatogonia-and-oogonia-from-rainbow-trout-oncorhynchus-mykiss
#5
Bahram Falahatkar, Samaneh Poursaeid, Ryota Kitada, Goro Yoshizaki
A growing number of fish species are endangered due to human activities. A short- or long-time preservation of gametes could conserve genetic resources of threatened fish species. The aim of this study was to evaluate a hypothermic condition for short-term preservation of spermatogonia and oogonia cells isolated from immature transgenic rainbow trout, Oncorhynchus mykiss, and to determine the maximum time point for further transplantation. Viability rate of germ cells was investigated after isolation and during storage at 4 °C up to 24 h...
March 13, 2017: Cryobiology
https://www.readbyqxmd.com/read/28295384/noninvasive-fetal-genotyping-of-paternally-inherited-alleles-using-targeted-massively-parallel-sequencing-in-parentage-testing-cases
#6
Donggui Yang, Hao Liang, Yu Gao, Shaobin Lin, Zhiming He, Jun Gao, Hongyu Sun, Qing Li, Xiaoyan Ma, Xueling Ou
BACKGROUND: Researchers have sought to develop a noninvasive protocol for paternity analysis that uses fetal cell-free DNA (cfDNA) in maternal plasma. Massively parallel sequencing (MPS) is expected to overcome this challenge because it enables the analysis of millions of DNA molecules at a single-base resolution. STUDY DESIGN AND METHODS: Seven women were involved in prenatal paternity testing cases. Before conventional invasive procedures, cfDNA was isolated from maternal plasma...
March 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28288148/natriuretic-peptide-c-receptor-in-the-developing-sheep-lung-role-in-perinatal-transition
#7
Bobby Mathew, Christopher A D'Angelis, Satyan Lakshminrusimha, Peter A Nickerson, June J Sokolowski, Vasantha H S Kumar, Huamei Wang, Karen A Wynn, Bruce A Holm, Rita M Ryan
BACKGROUND: At birth, the release of surfactant from Alveolar Type II (ATII) cells is stimulated by increased activity of the beta-adrenergic/adenylyl cyclase/cAMP- signaling cascade. Atrial natriuretic peptide (ANP) stimulates surfactant secretion through Natriuretic peptide receptor A (NPR-A). ANP inhibits adenylyl cyclase activity through its binding to NPR-C. We wished to further understand the role of the NPR-C in perinatal transition. METHODS: We studied fetal and newborn sheep ATII expression of NPR-C and surfactant secretion in isolated ATIIs by measuring (3)[H] choline release into the media...
March 13, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28284665/cryopreservation-and-multipotential-characteristics-evaluation-of-a-novel-type-of-mesenchymal-stem-cells-derived-from-small-tailed-han-sheep-fetal-lung-tissue
#8
Caiyun Ma, Changqing Liu, Xiangchen Li, Taofeng Lu, Chunyu Bai, Yanan Fan, Weijun Guan, Yu Guo
Lung mesenchymal stem cells (L-MSCs) characterized by plasticity, reduced relative immune privilege and high anti-fibrosis characteristics play the crucial role in lung tissue regenerative processes. However, up to date, the multi-differentiation potentials and application values of L-MSCs are still uncertain. In the current study, the Small Tailed Han Sheep embryo L-MSCs line from 12 samples, stocking 124 cryogenically-preserved vials, was successfully established by using primary culture and cell cryopreservation techniques...
March 8, 2017: Cryobiology
https://www.readbyqxmd.com/read/28278235/a-novel-zika-virus-mouse-model-reveals-strain-specific-differences-in-virus-pathogenesis-and-host-inflammatory-immune-responses
#9
Shashank Tripathi, Vinod R M T Balasubramaniam, Julia A Brown, Ignacio Mena, Alesha Grant, Susana V Bardina, Kevin Maringer, Megan C Schwarz, Ana M Maestre, Marion Sourisseau, Randy A Albrecht, Florian Krammer, Matthew J Evans, Ana Fernandez-Sesma, Jean K Lim, Adolfo García-Sastre
Zika virus (ZIKV) is a mosquito borne flavivirus, which was a neglected tropical pathogen until it emerged and spread across the Pacific Area and the Americas, causing large human outbreaks associated with fetal abnormalities and neurological disease in adults. The factors that contributed to the emergence, spread and change in pathogenesis of ZIKV are not understood. We previously reported that ZIKV evades cellular antiviral responses by targeting STAT2 for degradation in human cells. In this study, we demonstrate that Stat2-/- mice are highly susceptible to ZIKV infection, recapitulate virus spread to the central nervous system (CNS), gonads and other visceral organs, and display neurological symptoms...
March 9, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28270583/a-reverse-genetics-platform-that-spans-the-zika-virus-family-tree
#10
Douglas G Widman, Ellen Young, Boyd L Yount, Kenneth S Plante, Emily N Gallichotte, Derek L Carbaugh, Kayla M Peck, Jessica Plante, Jesica Swanstrom, Mark T Heise, Helen M Lazear, Ralph S Baric
Zika virus (ZIKV), a mosquito-borne flavivirus discovered in 1947, has only recently caused large outbreaks and emerged as a significant human pathogen. In 2015, ZIKV was detected in Brazil, and the resulting epidemic has spread throughout the Western Hemisphere. Severe complications from ZIKV infection include neurological disorders such as Guillain-Barré syndrome in adults and a variety of fetal abnormalities, including microcephaly, blindness, placental insufficiency, and fetal demise. There is an urgent need for tools and reagents to study the pathogenesis of epidemic ZIKV and for testing vaccines and antivirals...
March 7, 2017: MBio
https://www.readbyqxmd.com/read/28267409/myogenic-differentiation-potential-of-mesenchymal-stem-cells-derived-from-fetal-bovine-bone-marrow
#11
Lucas Hidenori Okamura, Paloma Cordero, Jaime Palomino, Victor Hugo Parraguez, Cristian Gabriel Torres, Oscar Alejandro Peralta
The myogenic potential of bovine fetal MSC (bfMSC) derived from bone marrow (BM) remains unknown; despite its potential application for the study of myogenesis and its implications for livestock production. In the present study, three protocols for in vitro myogenic differentiation of bfMSC based on the use of DNA methyltransferase inhibitor 5-Aza-2'-deoxycytidine (5-Aza), myoblast-secreted factor Galectin-1 (Gal-1), and myoblast culture medium SkGM-2 BulletKit were used. Plastic-adherent bfMSC were isolated from fetal BM collected from abattoir-derived fetuses...
March 7, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28266620/two-dimensional-electrophysiological-characterization-of-human-pluripotent-stem-cell-derived-cardiomyocyte-system
#12
Huanqi Zhu, Kelsey S Scharnhorst, Adam Z Stieg, James K Gimzewski, Itsunari Minami, Norio Nakatsuji, Haruko Nakano, Atsushi Nakano
Stem cell-derived cardiomyocytes provide a promising tool for human developmental biology, regenerative therapies, disease modeling, and drug discovery. As human pluripotent stem cell-derived cardiomyocytes remain functionally fetal-type, close monitoring of electrophysiological maturation is critical for their further application to biology and translation. However, to date, electrophysiological analyses of stem cell-derived cardiomyocytes has largely been limited by biologically undefined factors including 3D nature of embryoid body, sera from animals, and the feeder cells isolated from mouse...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28265575/proteomic-analysis-of-fetal-ovaries-reveals-that-primordial-follicle-formation-and-transition-are-differentially-regulated
#13
Mengmeng Xu, Long Che, Zhenguo Yang, Pan Zhang, Jiankai Shi, Jian Li, Yan Lin, Zhengfeng Fang, Lianqiang Che, Bin Feng, De Wu, Shengyu Xu
Primordial follicle formation represents a critical phase of the initiation of embryonic reproductive organ development, while the primordial follicle transition into primary follicle determines whether oestrus or ovulation will occur in female animals. To identify molecular mechanism of new proteins which are involved in ovarian development, we employed 2D-DIGE to compare the protein expression profiles of primordial follicles and primary follicles of fetal ovaries in pigs. Fetal ovaries were collected at distinct time-points of the gestation cycle (g55 and g90)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28260165/l-arginine-promotes-protein-synthesis-and-cell-growth-in-brown-adipocyte-precursor-cells-via-the-mtor-signal-pathway
#14
Xi Ma, Meng Han, Defa Li, Shengdi Hu, Kyler R Gilbreath, Fuller W Bazer, Guoyao Wu
L-Arginine has been reported to enhance brown adipose tissue developments in fetal lambs of obese ewes, but the underlying mechanism is unknown. The present study tested the hypothesis that L-arginine stimulates growth and development of brown adipocyte precursor cells (BAPCs) through activation of mammalian target of rapamycin cell signaling. BAPCs isolated from fetal lambs at day 90 of gestation were incubated   for 6 h in arginine-free DMEM, and then cultured in DMEM with concentrations of 50, 100, 200, 500 or 1000 μmol L-arginine/L for 24-96 h...
March 4, 2017: Amino Acids
https://www.readbyqxmd.com/read/28257865/early-pregnancy-related-changes-in-toll-like-receptors-expression-in-ovine-trophoblasts-and-peripheral-blood-leukocytes
#15
Mehmet Salih Kaya, Mehmet Kose, Aydin Guzeloglu, Zekeriya Kıyma, Mehmet Osman Atli
In the present study, we aimed to 1) demonstrate the presence of all 10 toll-like receptors (TLRs) in ovine trophoblasts, and 2) investigate the expression profiles of TLR1-10 mRNAs in peripheral blood leukocytes (PBLs) in ewes during early pregnancy. For those purposes, ovine trophoblasts (n = 6) were collected from pregnant ewes on day 13. PBLs were collected from non-pregnant (n = 6) and pregnant ewes (n = 17) on days of mating (d) 0 and 18. TLR mRNAs in ovine trophoblasts were visualized by free-floating in situ hybridization (ISH)...
April 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28255176/bta-mir-23a-involves-in-adipogenesis-of-progenitor-cells-derived-from-fetal-bovine-skeletal-muscle
#16
Long Guan, Xin Hu, Li Liu, Yishen Xing, Zhengkui Zhou, Xingwei Liang, Qiyuan Yang, Shengyun Jin, Jinshan Bao, Huijiang Gao, Min Du, Junya Li, Lupei Zhang
Intramuscular fat deposition or marbling is essential for high quality beef. The molecular mechanism of adipogenesis in skeletal muscle remains largely unknown. In this study, we isolated Platelet-derived growth factor receptor α (PDGFRα) positive progenitor cells from fetal bovine skeletal muscle and induced into adipocytes. Using miRNAome sequencing, we revealed that bta-miR-23a was an adipogenic miRNA mediating bovine adipogenesis in skeletal muscle. The expression of bta-miR-23a was down-regulated during differentiation of PDGFRα(+) progenitor cells...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28250653/cytotoxicity-studies-of-the-extracts-fractions-and-isolated-compound-of-pseudocedrela-kotschyi-on-cervical-cancer-hela-breast-cancer-mcf-7-and-skeletal-muscle-cancer-rd-cells
#17
Taiwo O Elufioye, Abolaji A Abdul, Jone O Moody
BACKGROUND: This study determined the cytotoxic effects of root and stem bark extracts, fractions, and isolated compounds derived from Pseudocedrela kotschyi on HeLa, MCF-7, and RD cells. MATERIALS AND METHODS: The cytotoxic activity was determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide colorimetric assay against three cell lines (RD, HeLa, and MCF 7) at concentrations ranging from 0.01 to 1000 μg/mL. Isolation of crude saponin was done from the most active ethyl acetate fraction and further purified using vacuum liquid chromatography and preparative thin layer chromatographic techniques...
January 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28237964/vulnerability-to-oxygen-glucose-deprivation-of-primary-neurons-derived-from-tg2576-alzheimer-mice-role-of-intraneuronal-abeta-accumulation-and-astrocytes
#18
Vito Antonio Baldassarro, Alessandra Marchesini, Luciana Giardino, Laura Calzà
Microvascular dysfunction is considered an integral part of Alzheimer disease (AD) pathogenesis, but the possible relationship between amyloid pathology, microvascular dysfunction and cell death is still unclear. In order to investigate the influence of intraneuronal Abeta (Aβ) accumulation on vulnerability to hypoxia, we isolated primary cortical neurons from Tg2576 (carrying the APPSwe mutation) and Wt fetal mice. We first demonstrated that neurons isolated from Tg2576 new-born mice show an increase in VEGFa mRNA expression and a decrease in the expression of the two VEGF receptors, i...
February 24, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28229411/therapeutic-application-of-human-wharton-jelly-mesenchymal-stem-cells-in-skin-injury-of-scid
#19
Vikram Sabapathy, Balasubramanian Sundaram, Sanjay Kumar
Mesenchymal stem cells (MSCs) are blossoming as a credible source for regenerative medical applications. The use of fetal MSCs is gaining momentum for therapeutic use. The ease of isolation, enhanced characteristics, and immunomodulation properties renders the utilization of fetal MSCs for numerous clinical applications. In this article, we will demonstrate a step-by-step protocol for isolation of Wharton's jelly MSCs (WJMSCs) from the human umbilical cord matrix, preparation of human platelet lysate, fabricating amniotic membrane scaffold and mice model to study skin regeneration using a combination of MSCs and decellularized amniotic membrane scaffold...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229410/therapeutic-application-of-placental-mesenchymal-stem-cells-reprogrammed-neurospheres-in-spinal-cord-injury-of-scid
#20
Vikram Sabapathy, Franklin Jebaraj Herbert, Sanjay Kumar
Mesenchymal stromal cells (MSCs) and induced pluripotent stem cells (iPSCs) have stimulated much interest in the scientific community and hopes among the general public since their discovery in 1966 due to a variety of potential applications it has in the field of regenerative medicine. Copious amount of literature, as well as long-term animal and human clinical trials, indicates that MSCs can be successfully used for therapeutic purpose without any extreme adversities. MSCs have been isolated from adult and fetal tissues...
2017: Methods in Molecular Biology
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