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kidney stem cell

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https://www.readbyqxmd.com/read/28239758/acellular-mouse-kidney-ecm-can-be-used-as-a-three-dimensional-substrate-to-test-the-differentiation-potential-of-embryonic-stem-cell-derived-renal-progenitors
#1
Manpreet Sambi, Theresa Chow, Jennifer Whiteley, Mira Li, Shawn Chua, Vanessa Raileanu, Ian M Rogers
The development of strategies for tissue regeneration and bio-artificial organ development is based on our understanding of embryogenesis. Differentiation protocols attempt to recapitulate the signaling modalities of gastrulation and organogenesis, coupled with cell selection regimens to isolate the cells of choice. This strategy is impeded by the lack of optimal in vitro culture systems since traditional culture systems do not allow for the three-dimensional interaction between cells and the extracellular matrix...
February 27, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28236795/therapeutic-monitoring-of-pediatric-transplant-patients-with-conversion-to-generic-tacrolimus
#2
Natalia Riva, Paulo Cáceres Guido, Nieves Licciardone, Oscar Imventarza, Marta Monteverde, Raquel Staciuk, Alberto Charroqui, Paula Schaiquevich
OBJECTIVE: Therapeutic monitoring during interchange of tacrolimus commercial formulations is essential to ensure similar exposure in transplant patients. However, there are limited data in the pediatric transplant population. This study aims to evaluate exposure, safety and efficacy in maintenance pediatric transplant patients under generic tacrolimus substitution. METHOD: Pediatric patients who underwent interchange of tacrolimus formulations were detected by the Service of Pharmacy and included in this study...
March 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28218753/a-short-tale-of-blood-kidney-and-brain-bk-virus-encephalitis-in-an-allogeneic-stem-cell-transplant-recipient
#3
C Bourlon, S Alamoudi, D Kumar, A Viswabandya, S Thyagu, F V Michelis, D D-H Kim, J H Lipton, H A Messner, U Deotare
No abstract text is available yet for this article.
February 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28218578/bone-marrow-derived-mesenchymal-stem-cells-ameliorate-nephrosis-through-repair-of-impaired-podocytes
#4
Yi Chen, Jun Chen, Jianxin Wan, Na Gao, Jiong Cui, Danyu You, Zhenhuan Zou
PURPOSE: The purpose of this study was to investigate the effects of bone marrow-derived mesenchymal stem cells (BMSC) on podocytes of puromycin amino nuclear glucoside (PAN) -induced nephrosis in mice. METHODS: Mice were randomly divided into Control, PAN and BMSC groups. Mice were injected with PAN (0.5 mg/g weight) via the tail vein. The 24-h urinary protein was obtained after modelling, and urinary protein excretion was determined. The blood and kidney specimens were isolated after the tenth day of modelling...
February 19, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28203018/-high-glucose-reduced-the-repair-function-of-kidney-stem-cells-conditional-medium-to-the-hypoxia-injured-renal-tubular-epithelium-cells
#5
G Yang, Q L Cheng, C L Li, Y L Jia, W Yue, X T Pei, Y Liu, J H Zhao, J DU, Q G Ao
OBJECTIVE: To evaluate the impacts of high glucose on the repair function of kidney stem cells (KSC) conditional medium to the hypoxia-injured renal tubular epithelium cells (RTEC). METHODS: KSC were isolated from the renal papilla in 4-week-Sprague-Dawley rats. The KSC were pretreated in media with high glucose (30 mmol/L) or with normal glucose (5.6 mmol/L), respectively. The supernatants of the pre-treated KSC were collected as the conditional media. The hypoxia/reoxygenation (H/R) model of rat RTEC was established using the NRK-52E cell line...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202079/a-novel-cytoprotective-peptide-protects-mesenchymal-stem-cells-against-mitochondrial-dysfunction-and-apoptosis-induced-by-starvation-via-nrf2-sirt3-foxo3a-pathway
#6
Shuo Wang, Chao Zhang, Sidikejiang Niyazi, Long Zheng, Jiawei Li, Weitao Zhang, Ming Xu, Ruiming Rong, Cheng Yang, Tongyu Zhu
BACKGROUND: Mesenchymal stem cell (MSC) has been widely explored in the past decade as a cell-based treatment for various diseases. However, poor survival of adaptively transferred MSCs limits their clinical therapeutic potentials, which is largely ascribed to the nutrient starvation. In this study, we determined whether a novel kidney protective peptide CHBP could protect MSCs against starvation and invested the underlying mechanisms. METHODS: MSCs were subjected to serum deprivation and CHBP of graded concentrations was administered...
February 15, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28199941/effect-directed-analysis-reveals-inhibition-of-zebrafish-uptake-transporter-oatp1d1-by-caulerpenyne-a-major-secondary-metabolite-from-the-invasive-marine-alga-caulerpa-taxifolia
#7
P Marić, M Ahel, I Senta, S Terzić, I Mikac, A Žuljević, T Smital
Caulerpa taxifolia is a marine alga of tropical and subtropical distribution and a well-known invasive species in several temperate regions. Its invasiveness mainly stems from the production of secondary metabolites, some of which are toxic or repellent substances. In this study we investigated the possible inhibitory effects of C. taxifolia secondary metabolites on the activity of two zebrafish (Danio rerio) uptake transporters that transport organic anions (Oatp1d1) and cations (Oct1). Both transporters were transiently transfected and overexpressed in human embryonic kidney HEK293T cells...
May 2017: Chemosphere
https://www.readbyqxmd.com/read/28194187/effect-of-hypoxia-on-the-differentiation-and-the-self-renewal-of-metanephrogenic-mesenchymal-stem-cells
#8
Shaopeng Liu, Nana Song, Jianqiang He, Xiaofang Yu, Jia Guo, Xiaoyan Jiao, Xiaoqiang Ding, Jie Teng
Hypoxia is an important and influential factor in development. The embryonic kidney is exposed to a hypoxic environment throughout its development. The Wnt/β-catenin pathway plays vital roles in the differentiation and self-renewal of metanephrogenic mesenchymal stem cells (MMSCs) from which the kidney is derived. Thus, we hypothesized that hypoxia can regulate the differentiation and pluripotency of MMSCs through the Wnt/β-catenin pathway. To test this hypothesis, MMSCs from rats at embryonic day 18.5 were cultured in normoxic (21% O2) and hypoxic (1% O2) conditions...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28192884/myoinositol-ameliorates-high-fat-diet-and-streptozotocin-induced-diabetes-in-rats-through-promoting-insulin-receptor-signaling
#9
Poovathumkal James Antony, Gopalsamy Rajiv Gandhi, Antony Stalin, Kedike Balakrishna, Erenius Toppo, Kuppusamy Sivasankaran, Savarimuthu Ignacimuthu, Naif Abdullah Al-Dhabi
Mimosa pudica Linn. (Mimosaceae) has been traditionally used for the management of type 2 diabetes mellitus (T2DM) in India. The present study evaluates the therapeutic efficacy of myoinositol (25 and 50mg/kg) isolated from M. pudica stem methanol extract in Triton WR-1339 induced hyperlipidemic and high-fat diet (HFD) fed-streptozotocin (STZ)-induced insulin-resistant diabetic rats. Lipid biomarkers, fasting blood glucose (FBG), changes in body weight, food and water intakes, plasma insulin, HOMA-IR, oral glucose tolerance, intraperitoneal insulin tolerance, urea, creatinine, marker enzymes of liver function, β-cell function and the expression levels of insulin receptor-induced signaling molecules were studied...
February 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28191781/direct-isolation-and-characterization-of-human-nephron-progenitors
#10
Stefano Da Sacco, Matthew E Thornton, Astgik Petrosyan, Maria Lavarreda-Pearce, Sargis Sedrakyan, Brendan H Grubbs, Roger E De Filippo, Laura Perin
Mature nephrons originate from a small population of uninduced nephrogenic progenitor cells (NPs) within the cap mesenchyme. These cells are characterized by the coexpression of SIX2 and CITED1. Many studies on mouse models as well as on human pluripotent stem cells have advanced our knowledge of NPs, but very little is known about this population in humans, since it is exhausted before birth and strategies for its direct isolation are still limited. Here we report an efficient protocol for direct isolation of human NPs without genetic manipulation or stepwise induction procedures...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28191776/clinical-grade-isolated-human-kidney-perivascular-stromal-cells-as-an-organotypic-cell-source-for-kidney-regenerative-medicine
#11
Daniëlle G Leuning, Marlies E J Reinders, Joan Li, Anna J Peired, Ellen Lievers, Hetty C de Boer, Willem E Fibbe, Paola Romagnani, Cees van Kooten, Melissa H Little, Marten A Engelse, Ton J Rabelink
Mesenchymal stromal cells (MSCs) are immunomodulatory and tissue homeostatic cells that have shown beneficial effects in kidney diseases and transplantation. Perivascular stromal cells (PSCs) identified within several different organs share characteristics of bone marrow-derived MSCs (BM-MSCs). These PSCs may also possess tissue-specific properties and play a role in local tissue homeostasis. We hypothesized that human kidney-derived PSCs (hkPSCs) would elicit improved kidney repair in comparison with BM-MSCs...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28188103/kidney-organoids-a-translational-journey
#12
REVIEW
Ryuji Morizane, Joseph V Bonventre
Human pluripotent stem cells (hPSCs) are attractive sources for regenerative medicine and disease modeling in vitro. Directed hPSC differentiation approaches have derived from knowledge of cell development in vivo rather than from stochastic cell differentiation. Moreover, there has been great success in the generation of 3D organ-buds termed 'organoids' from hPSCs; these consist of a variety of cell types in vitro that mimic organs in vivo. The organoid bears great potential in the study of human diseases in vitro, especially when combined with CRISPR/Cas9-based genome-editing...
March 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28186986/common-cytotoxic-chemotherapeutics-induce-epithelial-mesenchymal-transition-emt-downstream-of-er-stress
#13
Parag P Shah, Tess V Dupre, Leah J Siskind, Levi J Beverly
Endoplasmic reticulum (ER) in eukaryotes is a main organelle involved in a wide variety of functions including calcium storage, lipid biosynthesis, protein folding and protein transport. Disruption of ER homeostasis leads to ER stress and activation of the unfolded protein response (UPR). We and others have previously found that ER stress induces EMT in different cellular systems. Induction of ER stress with chemical modulators of ER homeostasis was sufficient to activate an EMT-like state in all cellular systems tested...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28182036/acute-kidney-injury-and-mortality-in-hematopoietic-stem-cell-transplantation-a-single-center-experience
#14
B Sehgal, P George, M J John, C Samuel
Hematopoietic stem cell transplant (HSCT) is a life-saving procedure for patients with several malignant and nonmalignant hematological disorders. Acute kidney injury (AKI) is a common complication after HSCT. The aim of the study was to identify the incidence and outcomes of AKI associated with HSCT in our center. Sixty-six HSCT recipients from October 2008 to March 2014 at Christian Medical College, Ludhiana, were followed up till July 31, 2014. RIFLE criteria utilizing serum creatinine was used to diagnose and stage AKI...
January 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28174253/vitamin-d-induces-myogenic-differentiation-in-skeletal-muscle-derived-stem-cells
#15
Melissa Braga, Zena Simmons, Keith C Norris, Monica G Ferrini, Jorge N Artaza
Skeletal muscle wasting is a serious disorder associated with health conditions such as aging, chronic kidney disease, and AIDS. Vitamin D is most widely recognized for its regulation of calcium and phosphate homeostasis in relation to bone development and maintenance. Recently, Vitamin D supplementation has been shown to improve muscle performance and reduce the risk of falls in Vitamin D deficient older adults. However, little is known of the underlying molecular mechanism(s) or the role it plays in myogenic differentiation...
February 7, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28174247/self-organisation-after-embryonic-kidney-dissociation-is-driven-via-selective-adhesion-of-ureteric-epithelial-cells
#16
J G Lefevre, H S Chiu, A N Combes, J M Vanslambrouck, A Ju, N A Hamilton, M H Little
Human pluripotent stem cells, after directed differentiation in vitro, can spontaneously generate complex tissues via self-organisation of the component cells. Self-organisation can also reform embryonic organ structure after tissue disruption. It has previously been demonstrated that dissociated embryonic kidneys can recreate component epithelial and mesenchymal relationships sufficient to allow continued kidney morphogenesis. Here we investigate the timing and underlying mechanisms driving self-organisation after dissociation of the embryonic kidney using time-lapse imaging, high-resolution confocal analyses and mathematical modelling...
February 7, 2017: Development
https://www.readbyqxmd.com/read/28173878/the-effects-of-glomerular-and-tubular-renal-progenitors-and-derived-extracellular-vesicles-on-recovery-from-acute-kidney-injury
#17
Andrea Ranghino, Stefania Bruno, Benedetta Bussolati, Aldo Moggio, Veronica Dimuccio, Marta Tapparo, Luigi Biancone, Paolo Gontero, Bruno Frea, Giovanni Camussi
BACKGROUND: Mesenchymal stromal cells (MSCs) and renal stem/progenitors improve the recovery of acute kidney injury (AKI) mainly through the release of paracrine mediators including the extracellular vesicles (EVs). Several studies have reported the existence of a resident population of MSCs within the glomeruli (Gl-MSCs). However, their contribution towards kidney repair still remains to be elucidated. The aim of the present study was to evaluate whether Gl-MSCs and Gl-MSC-EVs promote the recovery of AKI induced by ischemia-reperfusion injury (IRI) in SCID mice...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28173854/anti-influenza-virus-activity-of-extracts-from-the-stems-of-jatropha-multifida-linn-collected-in-myanmar
#18
Masaki Shoji, So-Yeun Woo, Aki Masuda, Nwet Nwet Win, Hla Ngwe, Etsuhisa Takahashi, Hiroshi Kido, Hiroyuki Morita, Takuya Ito, Takashi Kuzuhara
BACKGROUND: To contribute to the development of novel anti-influenza drugs, we investigated the anti-influenza activity of crude extracts from 118 medicinal plants collected in Myanmar. We discovered that extract from the stems of Jatropha multifida Linn. showed anti-influenza activity. J. multifida has been used in traditional medicine for the treatment of various diseases, and the stem has been reported to possess antimicrobial, antimalarial, and antitumor activities. However, the anti-influenza activity of this extract has not yet been investigated...
February 7, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28164637/clinical-implications-of-plasma-n-acetyl-seryl-aspartyl-lysyl-proline-level-in-stable-kidney-transplant-recipients
#19
Yosuke Suzuki, Fumihiko Katagiri, Fuminori Sato, Kanako Fujioka, Yukie Sato, Takashi Fujioka, Yuhki Sato, Hiromitsu Mimata, Hiroki Itoh
BACKGROUND: N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is a natural inhibitor of pluripotent hematopoietic stem cell proliferation and is normally found in human plasma. Because AcSDKP is partially eliminated in urine, accumulation of AcSDKP due to chronic renal failure may cause anemia. However, the status of plasma AcSDKP level in stable kidney transplant recipients is unknown although some recipients develop anemia after kidney transplantation. In this study, we investigated the relationship between plasma AcSDKP-like immunoreactive substance (IS) level and clinical characteristics associated with renal anemia in stable kidney transplant recipients...
July 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164431/extracellular-vesicle-shuttled-mrna-in-mesenchymal-stem-cell-communication
#20
Enrico Ragni, Federica Banfi, Mario Barilani, Alessandro Cherubini, Valentina Parazzi, Paola Larghi, Vincenza Dolo, Valentina Bollati, Lorenza Lazzari
Mesenchymal stem cells (MSC) are multipotent cells able to differentiate into several cell types, hence providing cell reservoirs for therapeutic applications. The absence of detectable MSC homing at injury sites suggests that paracrine functions could, at least in part, be mediated by extracellular vesicles (EVs); EVs are newly identified players that are studied mainly as predictive or diagnostic biomarkers. Together with their clinical interests, EVs have recently come to the fore for their role in cell-to-cell communication...
February 5, 2017: Stem Cells
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