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fetal cell isolation

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https://www.readbyqxmd.com/read/29212205/jnk-inhibitor-alleviates-apoptosis-of-fetal-neural-stem-cells-induced-by-emulsified-isoflurane
#1
Lei Zhou, Zeyong Yang, Xianfu Lu, Xingxing Li, Xiaohu An, Jing Chai, Qiling Yang, Shikai Yan, Yuanhai Li
Isoflurane can provide both neuroprotection and neurotoxicity in various culture models and in rodent developing brains. Emulsified Isoflurane (EI) is an emulsion formulation of isoflurane, while its underlying molecular mechanism of developemental nerve toxicity largely remains unclear. We hypothesized that EI induced fetal neural stem cells (FNSCs) apoptosis, endoplasmic reticulum (ER) stress and c-Jun N-terminal kinase (JNK) activation. FNSCs were isolated from the cortex of SD rats during 14 days of gestation...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29211118/venous-blood-derivatives-as-fbs-substitutes-for-mesenchymal-stem-cells-a-systematic-scoping-review
#2
Luiz A Chisini, Marcus C M Conde, Guillermo Grazioli, Alissa S San Martin, Rodrigo Varella de Carvalho, Jacques E Nör, Flávio F Demarco
Although the biological properties of mesenchymal stem cells (MSC) are well-characterized in vitro, MSC clinical application is still far away to be achieved, mainly due to the need of xenogeneic substances for cell expansion, such as fetal bovine serum (FBS). FBS presents risks regarding pathogens transmissions and internalization of animal's proteins, which can unleash antigenic responses in patients after MSC implantation. A wide range of venous blood derivatives (VBD) has been reported as FBS substitutes showing promising results...
November 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29208244/role-of-nucleoside-transporters-in-transplacental-pharmacokinetics-of-nucleoside-reverse-transcriptase-inhibitors-zidovudine-and-emtricitabine
#3
S Karbanova, L Cerveny, M Ceckova, Z Ptackova, L Jiraskova, S Greenwood, F Staud
INTRODUCTION: Zidovudine (AZT) and emtricitabine (FTC) are effective and well tolerated antiretroviral drugs, routinely used in the prevention of perinatal HIV transmission. However, precise mechanism(s) involved in their transfer from mother to fetus are not fully elucidated. Since both drugs are nucleoside analogues, we hypothesized that the mechanisms of their transplacental passage might include equilibrative nucleoside transporters, ENT1 and/or ENT2. METHODS: To address this issue, we performed in vitro accumulation assays in the BeWo placental trophoblast cell line, ex vivo uptake studies in fresh villous fragments isolated from human placenta and in situ dually perfused rat term placenta experiments...
December 2017: Placenta
https://www.readbyqxmd.com/read/29208068/in-vitro-supplementation-with-the-porcine-plasma-product-betagro%C3%A2-stimulates-activity-of-porcine-fetal-myoblasts-and-neonatal-satellite-cells-in-a-divergent-manner
#4
M A Vaughn, K J Phelps, J M Gonzalez
Two separate experiments were conducted to evaluate the effect of betaGRO® supplementation on in vitro porcine fetal myoblasts (PFM) and porcine satellite cells (PSC) proliferation, fusion and myotube thickness. The PFM and PSC were isolated from the m. longissimus dorsi of day 60 of gestation fetuses and piglets within 24 h of birth, respectively. Proliferation assays were conducted as 4×3 factorial arrangements with time of culture (24, 48, 72, 96 h) and media treatment (standard porcine media supplemented with 10% (vol/vol) fetal bovine serum (HS); HS without 10% fetal bovine serum (LS); and LS supplemented with 10 mg/ml betaGRO® (BG)) as main effects...
December 6, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29204836/fetal-membranes-derived-stem-cells-microenvironment
#5
Phelipe Oliveira Favaron, Maria Angelica Miglino
Recently, the regenerative medicine has been trying to congregate different areas such as tissue engineering and cellular therapy, in order to offer effective treatments to overcome several human and veterinary medical problems. In this regard, fetal membranes have been proposed as a powerful source for obtainment of multipotent stem cells with low immunogenicity, anti-inflammatory properties and nontumorigenicity properties for the treatment of several diseases, including replacing cells lost due to tissue injuries or degenerative diseases...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29202695/single-cell-rna-seq-analysis-reveals-dynamic-trajectories-during-mouse-liver-development
#6
Xianbin Su, Yi Shi, Xin Zou, Zhao-Ning Lu, Gangcai Xie, Jean Y H Yang, Chong-Chao Wu, Xiao-Fang Cui, Kun-Yan He, Qing Luo, Yu-Lan Qu, Na Wang, Lan Wang, Ze-Guang Han
BACKGROUND: The differentiation and maturation trajectories of fetal liver stem/progenitor cells (LSPCs) are not fully understood at single-cell resolution, and a priori knowledge of limited biomarkers could restrict trajectory tracking. RESULTS: We employed marker-free single-cell RNA-Seq to characterize comprehensive transcriptional profiles of 507 cells randomly selected from seven stages between embryonic day 11.5 and postnatal day 2.5 during mouse liver development, and also 52 Epcam-positive cholangiocytes from postnatal day 3...
December 4, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29200737/hispidulin-7-o-neohesperidoside-from-cirsium-japonicum-var-ussuriense-attenuates-the-production-of-inflammatory-mediators-in-lps-induced-raw-264-7-cells-and-ht-29-cells
#7
Jong Cheol Park, Hyunji Yoo, Cho Een Kim, Sun-Yup Shim, Mina Lee
Background: Inflammatory bowel disease (IBD) is characterized by chronic inflammation of the gastrointestinal tract and involves secretion of inflammatory mediators. The flavone diglycoside hispidulin-7-O-neohesperidoside (HN) isolated from the methanolic extract of aerial parts of Cirsium japonicum var. ussuriense, but its pharmacologic activities, with the exception of alleviation of alcohol toxicity, have not been investigated to date. Objective: The aim of the present study was to investigate the anti-inflammatory activities of HN for the treatment of chronic inflammatory illnesses, including IBD...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29200724/bioassay-guided-isolation-of-neuroprotective-fatty-acids-from-nigella-sativa-against-1-methyl-4-phenylpyridinium-induced-neurotoxicity
#8
Leila Hosseinzadeh, Hoda Monaghash, Farahnaz Ahmadi, Nastaran Ghiasvand, Yalda Shokoohinia
Objective: Parkinson's disease, a slowly progressive neurological disease, is associated with degeneration of the basal ganglia of the brain and a deficiency of the neurotransmitter dopamine. The main aspects of researches are the protection of normal neurons against degeneration. Fatty acids (FAs), the key structural elements of dietary lipids, are carboxylic straight chains and notable parameters in nutritional and industrial usefulness of a plant. Materials and Methods: Black cumin, a popular anti-inflammatory and antioxidant food seasoning, contains nonpolar constituents such as FAs which were extracted using hexane...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29198223/ibuprofen-and-indomethacin-differentially-regulate-vascular-endothelial-growth-factor-and-its-receptors-in-ductus-arteriosus-endothelial-cells
#9
Hannes Sallmon, Sandra Akanbi, Sven C Weber, Alexander Gratopp, Cornelia Rheinländer, Petra Koehne
BACKGROUND: Cyclooxygenase inhibitors are widely applied to facilitate ductal closure in preterm infants. The mechanisms that lead to patent ductus arteriosus closure are incompletely understood. Vascular endothelial growth factor plays pivotal roles during ductal closure and remodelling. Aim The aim of this study was to investigate the effects of ibuprofen and indomethacin on the expression of vascular endothelial growth factor and its receptors in a primary rat ductus arteriosus endothelial cell culture...
December 4, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29197008/isolation-and-characterization-of-mesenchymal-stem-stromal-cells-derived-from-human-third-trimester-placental-chorionic-villi-and-decidua-basalis
#10
Gina D Kusuma, Mohamed H Abumaree, Mark D Pertile, Bill Kalionis
The decidua basalis and placental chorionic villi are critical components of maternal-fetal interface, which plays a critical role in normal placental development. Failure to form a proper maternal-fetal interface is associated with clinically important placental pathologies including preeclampsia and fetal growth restriction. Placental trophoblast cells are well known for their critical roles in establishing the maternal-fetal interface; however accumulating evidence also implicates mesenchymal stem/stromal cells that envelop the maternal and fetal blood vessels as playing an important role in the formation and efficient functioning of the interface...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29186930/protective-effects-of-liquiritigenin-against-citrinin-triggered-oxidative-stress-mediated-apoptosis-and-disruption-of-embryonic-development-in-mouse-blastocysts
#11
Chien-Hsun Huang, Wen-Hsiung Chan
The mycotoxin citrinin (CTN), a natural contaminant in foodstuffs and animal feeds, exerts cytotoxic and genotoxic effects on various mammalian cells and embryos. A previous investigation by our group revealed potentially hazardous effects of CTN on mouse oocyte maturation and pre- and post-implantation embryo development via the induction of apoptosis. The present study showed that CTN induces apoptosis and inhibits cell proliferation in the inner cell mass of mouse blastocysts. Notably, we observed for the first time that both these effects are suppressed by liquiritigenin (LQ)...
November 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29186860/bcl11a-mrna-targeting-by-mir-210-a-possible-network-regulating-%C3%AE-globin-gene-expression
#12
Jessica Gasparello, Enrica Fabbri, Nicoletta Bianchi, Giulia Breveglieri, Cristina Zuccato, Monica Borgatti, Roberto Gambari, Alessia Finotti
The involvement of microRNAs in the control of repressors of human γ-globin gene transcription has been firmly demonstrated, as described for the miR-486-3p mediated down-regulation of BCL11A. On the other hand, we have reported that miR-210 is involved in erythroid differentiation and, possibly, in γ-globin gene up-regulation. In the present study, we have identified the coding sequence of BCL11A as a possible target of miR-210. The following results sustain this hypothesis: (a) interactions between miR-210 and the miR-210 BCL11A site were demonstrated by SPR-based biomolecular interaction analysis (BIA); (b) the miR-210 site of BCL11A is conserved through molecular evolution; (c) forced expression of miR-210 leads to decrease of BCL11A-XL and increase of γ-globin mRNA content in erythroid cells, including erythroid precursors isolated from β-thalassemia patients...
November 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29180008/identification-and-characterization-of-human-bone-derived-cells
#13
Sungsin Jo, Jin Kyu Lee, Jinil Han, Bitnara Lee, Suman Kang, Kyu-Tae Hwang, Ye-Soo Park, Tae-Hwan Kim
This study was designed to identify and characterize primary bone-derived cells (BdCs) and investigate the potential role of osteoblast differentiation. Primary BdCs were isolated from surgical bone for comparative analysis with mesenchymal stem cells (MSCs) and fetal osteoblasts (FOBs) and for potential differentiation to mature osteoblasts. Using three different cells, we successfully cultivated human osteoblast differentiation and activity which were evaluated using microarray and biochemical methods. BdCs are more correlated to MSCs in bioinformatics result and similar with FOBs in gene expression...
November 24, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29168595/berberine-impairs-embryonic-development-in-vitro-and-in-vivo-through-oxidative-stress-mediated-apoptotic-processes
#14
Chien-Hsun Huang, Zi-Wei Huang, Feng-Ming Ho, Wen-Hsiung Chan
Berberine, an isoquinoline alkaloid isolated from several traditional Chinese herbal medicines, has been shown to suppress growth and induce apoptosis in some tumor cell lines. However, berberine has also been reported to attenuate H2 O2 -induced oxidative injury and apoptosis. The basis for these ambiguous effects of berberine-triggering or preventing apoptosis-has not been well characterized to date. In the current investigation, we examined whether berberine exerts cytotoxic effects on mouse embryos at the blastocyst stage and affects subsequent embryonic development in vitro and in vivo...
November 23, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29163438/culture-strategies-for-isolation-of-fastidious-leptospira-serovar-hardjo-and-molecular-differentiation-of-genotypes-hardjobovis-and-hardjoprajitno
#15
Roberta T Chideroli, Daniela D Gonçalves, Suelen A Suphoronski, Alice F Alfieri, Amauri A Alfieri, Admilton G de Oliveira, Julio C de Freitas, Ulisses de Padua Pereira
The Leptospira serovar Hedjo belongs to the serogroup sejroe and this serovar is the most prevalent in bovine herds worldwide. The sejroe serogroup is the most frequently detected by serology in Brazilian cattle herds suggesting that it is due serovar Hardjo. In the molecular classification, this serovar has two genotypes: Hardjobovis and Hardjoprajitno. This serovar is as considered as fastidious pathogens, and their isolation is one of the bottlenecks in leptospirosis laboratories. In addition, its molecular characterization using genomic approaches is oftentimes not simple and time-consuming...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163051/young-human-cholinergic-neurons-respond-to-physiological-regulators-and-improve-cognitive-symptoms-in-an-animal-model-of-alzheimer-s-disease
#16
Annamaria Morelli, Erica Sarchielli, Giulia Guarnieri, Elisabetta Coppi, Daniela Pantano, Paolo Comeglio, Pamela Nardiello, Anna M Pugliese, Lara Ballerini, Rosanna Matucci, Stefano Ambrosini, Giuseppe Castronovo, Rosa Valente, Benedetta Mazzanti, Sandra Bucciantini, Mario Maggi, Fiorella Casamenti, Pasquale Gallina, Gabriella B Vannelli
The degeneration of cholinergic neurons of the nucleus basalis of Meynert (NBM) in the basal forebrain (BF) is associated to the cognitive decline of Alzheimer's disease (AD) patients. To date no resolutive therapies exist. Cell-based replacement therapy is a strategy currently under consideration, although the mechanisms underlying the generation of stem cell-derived NBM cholinergic neurons able of functional integration remain to be clarified. Since fetal brain is an optimal source of neuronal cells committed towards a specific phenotype, this study is aimed at isolating cholinergic neurons from the human fetal NBM (hfNBMs) in order to study their phenotypic, maturational and functional properties...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29153988/isolation-and-comparative-transcriptome-analysis-of-human-fetal-and-ipsc-derived-cone-photoreceptor-cells
#17
Emily Welby, Jorn Lakowski, Valentina Di Foggia, Dimitri Budinger, Anai Gonzalez-Cordero, Aaron T L Lun, Michael Epstein, Aara Patel, Elisa Cuevas, Kamil Kruczek, Arifa Naeem, Federico Minneci, Mike Hubank, David T Jones, John C Marioni, Robin R Ali, Jane C Sowden
Loss of cone photoreceptors, crucial for daylight vision, has the greatest impact on sight in retinal degeneration. Transplantation of stem cell-derived L/M-opsin cones, which form 90% of the human cone population, could provide a feasible therapy to restore vision. However, transcriptomic similarities between fetal and stem cell-derived cones remain to be defined, in addition to development of cone cell purification strategies. Here, we report an analysis of the human L/M-opsin cone photoreceptor transcriptome using an AAV2/9...
November 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29150642/rescue-of-pfos-induced-human-sertoli-cell-injury-by-overexpressing-a-p-fak-y407e-phosphomimetic-mutant
#18
Haiqi Chen, Ying Gao, Dolores D Mruk, Xiang Xiao, Constance M John, Paul J Turek, Wing-Yee Lui, Will M Lee, Bruno Silvestrini, C Yan Cheng
PFOS induces Sertoli cell injury using testicular cells isolated from rodent testes, but it remains unknown if PFOS has similar effects in humans. Herein, we maintained human Sertoli cells in a mitotically active state in vitro, thus enabling transfection experiments that altered gene expression to explore the molecular mechanism(s) underlying toxicant-induced cell injury. Human Sertoli cells obtained from men at ages 15, 23, 36 and 40 were cultured in vitro. These differentiated Sertoli cells remained mitotically active when cultured in the presence of 10% FBS (fetal bovine serum), with a replication time of ~1-3 weeks...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29145065/gestational-differences-in-murine-placenta-glycolytic-metabolism-and-pregnancy-parameters
#19
Renee E Albers, Christopher A Waker, Chanel Keoni, Melissa R Kaufman, Michael A Bottomley, Sarah Min, David R Natale, Thomas L Brown
The placenta is a complex and essential organ composed largely of fetal-derived cells, including several different trophoblast subtypes that work in unison to support nutrient transport to the fetus during pregnancy. Abnormal placental development can lead to pregnancy-associated disorders that often involve metabolic dysfunction. The scope of dysregulated metabolism during placental development may not be fully representative of the in vivo state in defined culture systems, such as cell lines or isolated primary cells...
November 4, 2017: Theriogenology
https://www.readbyqxmd.com/read/29144536/isolation-and-whole-genome-sequencing-of-fetal-cells-from-maternal-blood-towards-the-ultimate-non-invasive-prenatal-testing
#20
Fang Chen, Ping Liu, Ying Gu, Zhu Zhu, Amulya Nanisetti, Zhangzhang Lan, Zhiwei Huang, Sophie Jia Liu, Xiongbin Kang, Yuqing Deng, Liqiong Luo, Dan Jiang, Yong Qiu, Jianchang Pan, Jun Xia, Ken Xiong, Chao Liu, Lin Xie, Qianyu Shi, Jing Li, Xiuqing Zhang, Wei Wang, Snezana Drmanac, Hui Jiang, Radoje Drmanac, Xun Xu
OBJECTIVE: To develop a methodology of isolating fetal cells from maternal blood and use deep sequencing demonstrating the promise for more complete and accurate genetic screening compared to other non-invasive prenatal testing (NIPT). METHODS: Here in this study, we developed a double negative selection (DNS) procedure to unbiasedly enrich fetal cells. After validated by short tandem repeat (STR), the isolated CFCs were subjected to deep whole genome sequencing analysis (WGS)...
November 16, 2017: Prenatal Diagnosis
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