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https://www.readbyqxmd.com/read/29455394/culture-in-embryonic-kidney-serum-and-xeno-free-media-as-renal-cell-carcinoma-and-renal-cell-carcinoma-cancer-stem-cells-research-model
#1
Krzysztof M Krawczyk, Damian Matak, Lukasz Szymanski, Cezary Szczylik, Camillo Porta, Anna M Czarnecka
The use of fetal bovine serum hinders obtaining reproducible experimental results and should also be removed in hormone and growth factor studies. In particular hormones found in FBS act globally on cancer cell physiology and influence transcriptome and metabolome. The aim of our study was to develop a renal carcinoma serum free culture model optimized for (embryonal) renal cells in order to select the best study model for downstream auto-, para- or endocrine research. Secondary aim was to verify renal carcinoma stem cell culture for this application...
February 17, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29455212/fetal-risks-and-maternal-renal-complications-in-pregnancy-with-preexisting-chronic-glomerulonephritis
#2
Yuehong Li, Wei Wang, Yujuan Wang, Qi Chen
BACKGROUND Analysis the maternal and fetal risk predictors in pregnancy in conjunction with chronic glomerulonephritis (CGN) patients are helpful to understand the influence of kidney diseases on pregnancy and the effects of pregnancy on kidney diseases. The aim of this study was to determine the predictors of adverse maternal and fetal outcomes in CGN patients. MATERIAL AND METHODS Maternal and fetal outcomes in 64 pregnancies of CGN patients were retrospectively analyzed. We randomly selected 100 low-risk-pregnancy women without chronic kidney disease (CKD) at the same time as the control group...
February 18, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29446682/fetal-urinary-tract-anomalies-review-of-pathophysiology-imaging-and-management
#3
Achille Mileto, Malak Itani, Douglas S Katz, Joseph R Siebert, Manjiri K Dighe, Theodore J Dubinsky, Mariam Moshiri
OBJECTIVE: Common fetal anomalies of the kidneys and urinary tract encompass a complex spectrum of abnormalities that can be detected prenatally by ultrasound. Common fetal anomalies of the kidneys and urinary tract can affect amniotic fluid volume production with the development of oligohydramnios or anhydramnios, resulting in fetal pulmonary hypoplasia and, potentially, abnormal development of other fetal structures. CONCLUSION: We provide an overview of common fetal anomalies of the kidneys and urinary tract with an emphasis on sonographic patterns as well as pathologic and postnatal correlation, along with brief recommendations for postnatal management...
February 15, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29441430/prenatal-diagnosis-of-apert-syndrome-using-ultrasound-magnetic-resonance-imaging-and-three-dimensional-virtual-physical-models-three-case-series-and-literature-review
#4
Heron Werner, Pedro Castro, Pedro Daltro, Jorge Lopes, Gerson Ribeiro, Edward Araujo Júnior
OBJECTIVE: This aimed to describe the prenatal diagnosis of three cases of Apert syndrome using two-dimensional (2D) and three-dimensional (3D) ultrasound, magnetic resonance imaging (MRI), and 3D virtual/physical models. METHODS: We retrospectively analyzed three cases of Apert syndrome at our service. The prenatal diagnostic methods used were 2D ultrasound, 3D ultrasound in conventional and HDlive rendering modes, T2-weighted MRI sequences, and 3D virtual/physical models from MRI or 3D ultrasound scan data...
February 13, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29428904/developmental-disorder-of-podocytes-and-the-related-renal-diseases
#5
Ya-Nan Zhu, Ying Ao, Bin Li, Yang Wan, Hui Wang
Podocyte is one of the main components of glomerular filtration barrier in the kidney; the loss or dysfunction of podocyte could impair the functions of glomerular filtration barrier, leading to development of various renal diseases. Podocyte is a terminally differentiated cell, and thus does not possess any proliferative properties. Accordingly, its number and contribution to renal function are initially determined by its normal development. Information from the literature and results of our research indicate that genetic factors or prenatal adverse environment could cause developmental retardation of podocytes, thereby suggesting the potential fetal developmental origin(s) of kidney diseases, and involvement of epigenetic mechanisms in the regulation of key genes in podocyte development...
February 20, 2018: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/29414801/ultramorphological-characteristics-of-podocyte-development-in-the-human-fetal-metanephros
#6
Marija Dakovic Bjelakovic, Slobodan Vlajkovic, Milica Bjelakovic
The aim of this study was to determine the developmental characteristics of podocytes in the human fetal metanephros using scanning electron microscopy, light microscopy, and transmission electron microscopy. Kidney samples of 15 human fetuses of both sexes (gestational age 10-22 weeks) were analyzed. At the S-shaped body stage, primitive podocytes were arranged in a layer of cuboidal cells beneath the vascular cleft. When observed from Bowman's space, the demarcation between adjacent podocytes was not clear, but mild depressions indicated cell boundaries...
February 7, 2018: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/29408475/optimal-route-of-diphtheria-toxin-administration-to-eliminate-native-nephron-progenitor-cells-in-vivo-for-kidney-regeneration
#7
Shohei Fukunaga, Shuichiro Yamanaka, Toshinari Fujimoto, Susumu Tajiri, Taketo Uchiyama, Kei Matsumoto, Takafumi Ito, Kazuaki Tanabe, Takashi Yokoo
To address the lack of organs for transplantation, we previously developed a method for organ regeneration in which nephron progenitor cell (NPC) replacement is performed via the diphtheria toxin receptor (DTR) system. In transgenic mice with NPC-specific expression of DTR, NPCs were eliminated by DT and replaced with NPCs lacking the DTR with the ability to differentiate into nephrons. However, this method has only been verified in vitro. For applications to natural models, such as animal fetuses, it is necessary to determine the optimal administration route and dose of DT...
January 30, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29401611/prenatal-iron-deficiency-causes-sex-dependent-mitochondrial-dysfunction-and-oxidative-stress-in-fetal-rat-kidneys-and-liver
#8
Andrew G Woodman, Richard Mah, Danae Keddie, Ronan M N Noble, Sareh Panahi, Ferrante S Gragasin, Hélène Lemieux, Stephane L Bourque
Prenatal iron deficiency alters fetal developmental trajectories, which results in persistent changes in organ function. Here, we studied the effects of prenatal iron deficiency on fetal kidney and liver mitochondrial function. Pregnant Sprague-Dawley rats were fed partially or fully iron-restricted diets to induce a state of moderate or severe iron deficiency alongside iron-replete control rats. We assessed mitochondrial function via high-resolution respirometry and reactive oxygen species generation via fluorescence microscopy on gestational d 21...
January 19, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29394890/incidence-aetiology-and-outcomes-of-obstetric-related-acute-kidney-injury-in-malawi-a-prospective-observational-study
#9
William R Cooke, Ulla K Hemmilä, Alison L Craik, Chimwemwe J Mandula, Priscilla Mvula, Ausbert Msusa, Gavin Dreyer, Rhys Evans
BACKGROUND: Obstetric-related acute kidney injury (AKI) is thought to be a key contributor to the overall burden of AKI in low resource settings, causing significant and preventable morbidity and mortality. However, epidemiological data to corroborate these hypotheses is sparse. This prospective observational study aims to determine the incidence, aetiology and maternal-fetal outcomes of obstetric-related AKI in Malawi. METHODS: Women greater than 20 weeks gestation or less than 6 weeks postpartum admitted to obstetric wards at a tertiary hospital in Blantyre, Malawi, and at high-risk of AKI were recruited between 21st September and 11th December 2015...
February 2, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29390414/prenatal-diagnosis-of-joubert-syndrome-a-case-report-and-literature-review
#10
Lingling Zhu, Limei Xie
INTRODUCTION: Joubert syndrome (JS) is a rare autosomal recessive inherited disease belonging to ciliopathy with the causative mutation of genes. Except for X-linked inheritance, the high recurrence rate of a family is about 25%. After birth, it may cause a series of neurological symptoms, even with retina, kidney, liver, and other organ abnormalities, which is defined as Joubert syndrome and related disorders (JSRD). Molecular genetics research contributes to disease prediction and genetic counseling...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29389399/lightsheet-fluorescence-microscopy-of-branching-human-fetal-kidney
#11
Dylan Isaacson, Joel Shen, Dylan McCreedy, Meredith Calvert, Todd McDevitt, Gerald Cunha, Laurence Baskin
No abstract text is available yet for this article.
February 2018: Kidney International
https://www.readbyqxmd.com/read/29382068/higher-cytopathic-effects-of-a-zika-virus-brazilian-isolate-from-bahia-compared-to-a-canadian-imported-thai-strain
#12
Sergio P Alpuche-Lazcano, Craig R McCullogh, Olivier Del Corpo, Elodie Rance, Robert J Scarborough, Andrew J Mouland, Selena M Sagan, Mauro M Teixeira, Anne Gatignol
Zika virus (ZIKV) is an emerging pathogen from the Flaviviridae family. It represents a significant threat to global health due to its neurological and fetal pathogenesis (including microcephaly and congenital malformations), and its rapid dissemination across Latin America in recent years. The virus has spread from Africa to Asia, the Pacific islands and the Americas with limited knowledge about the pathogenesis associated with infection in recent years. Herein, we compared the ability of the Canadian-imported Thai strain PLCal_ZV and the Brazilian isolate HS-2015-BA-01 from Bahia to produce infectious ZIKV particles and cytopathic effects in a cell proliferation assay...
January 27, 2018: Viruses
https://www.readbyqxmd.com/read/29374502/changes-in-renal-hemodynamics-of-undernourished-fetuses-appear-earlier-than-iugr-evidences
#13
A Barbero, C Porcu, A Spezzigu, S Succu, M Dattena, M Gallus, G Molle, S Naitana, A Gonzalez-Bulnes, F Berlinguer
The present study used a sheep model of intrauterine growth restriction, combining maternal undernutrition and twinning, to determine possible markers of early damage to the fetal kidney. The occurrence of early deviations in fetal hemodynamics which may be indicative of changes in blood perfusion was assessed by Doppler ultrasonography. A total of 24 sheep divided in two groups were fed with the same standard grain-based diet but fulfilling either their daily maintenance requirements for pregnancy (control group; n=12, six singleton and six twin pregnancies) or only the 50% of such quantity (food-restricted group; n=12; four singleton and eight twin pregnancies)...
January 28, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29371289/elevated-vasopressin-in-pregnant-mice-induces-t-helper-subset-alterations-consistent-with-human-preeclampsia
#14
Sabrina M Scroggins, Donna A Santillan, Jenna M Lund, Jeremy A Sandgren, Lindsay K Krotz, Wendy S Hamilton, Eric J Devor, Heather A Davis, Gary L Pierce, Katherine N Gibson-Corley, Curt D Sigmund, Justin L Grobe, Mark K Santillan
The pathogenesis of preeclampsia, a hypertensive disorder of pregnancy, involves imbalanced T helper (TH) cell populations and resultant changes in pro- and anti-inflammatory cytokine release. Elevated copeptin (an inert biomarker of arginine vasopressin (AVP)), secretion precedes the development of symptoms in preeclampsia in humans, and infusion of AVP proximal to and throughout gestation is sufficient to initiate cardiovascular and renal phenotypes of preeclampsia in wild-type C57BL/6J mice. We hypothesize that AVP infusion in wild-type mice is sufficient to induce the immune changes observed in human preeclampsia...
January 25, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29367169/isolated-fetal-horseshoe-kidney-does-not-seem-to-increase-the-risk-for-abnormal-chromosomal-microarray-results
#15
Lena Sagi-Dain, Idit Maya, Tcipi Falik-Zaccai, Michal Feingold-Zadok, Dorit Lev, Hagit Yonath, Ehud Kaliner, Ayala Frumkin, Shay Ben Shachar, Amihood Singer
OBJECTIVE: To examine the risk for clinically significant chromosomal microarray analysis (CMA) among fetuses with apparently isolated horseshoe kidney. METHODS: Data from all CMA analyses performed due to isolated horseshoe kidney reported to the Israeli Ministry of Health between January 2013 and September 2016 were retrospectively obtained from a computerized database. Risk estimation was performed comparing the rate of abnormal CMA findings to the general population, based on a systematic review encompassing 9272 pregnancies with normal ultrasound, and local data cohort of 5541 pregnancies undergoing CMA due to maternal request...
January 20, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29361454/interleukin-11-blockade-during-mid-to-late-gestation-does-not-affect-maternal-blood-pressure-pregnancy-viability-or-subsequent-fertility-in-mice
#16
Amy Winship, Ellen Menkhorst, Michelle Van Sinderen, Evdokia Dimitriadis
Interleukin (IL)11 is a crucial regulator during the initiation of pregnancy in humans and mice. Elevated levels are detected in serum, placenta and decidua of women with pre-eclampsia. Elevated IL11 during placentation recapitulates pre-eclampsia in mice, although withdrawal rescues pre-eclampsia features, suggesting that IL11 could provide a novel therapeutic target. The aim of this study was to determine the safety profile of an IL11 antagonist ligated to polyethylene glycol (PEGIL11A) during pregnancy in mice...
December 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29360395/a-novel-rodent-model-of-pregnancy-complications-associated-with-genetically-determined-angiotensin-converting-enzyme-ace-activity
#17
Eugenia Mata-Greenwood, Arlin B Blood, LeeAnna D Sands, Shannon L Bragg, Daliao Xiao, Lubo Zhang
Brown Norway (BN) and Lewis (LW) inbred rat strains harbor different angiotensin converting enzyme (Ace) polymorphisms that result in higher ACE activity in BN than LW rats. Thus, we hypothesized that pregnant BN rats would show pregnancy complications linked to angiotensin II activity. We performed longitudinal and cross-sectional studies in pregnant LW and BN rats. We found that BN rats have significantly higher ACE activity and angiotensin II levels at pre-pregnancy and throughout pregnancy compared to LW rats, except at mid-gestation...
January 23, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29355168/reproductive-health-and-pregnancy-in-women-with-chronic-kidney-disease
#18
REVIEW
Kate S Wiles, Catherine Nelson-Piercy, Kate Bramham
Chronic kidney disease (CKD) is associated with reduced fertility and an increased risk of adverse pregnancy outcomes. Rates of pre-eclampsia, fetal growth restriction and preterm delivery increase incrementally with the severity of CKD and proteinuria. Pre-pregnancy counselling can facilitate informed decision-making. Safe and effective contraception is required for women who wish to delay or avoid pregnancy. Pregnancy planning for women who wish to conceive involves appropriate substitution of known teratogens - including mycophenolate mofetil, angiotensin blockers and cyclophosphamide - and can aid optimization of disease control...
January 22, 2018: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/29351419/maternal-nutrient-restriction-in-guinea-pigs-as-an-animal-model-for-studying-growth-restricted-offspring-with-post-natal-catch-up-growth
#19
Catherine L Nevin, Evan Formosa, Yohei Maki, Brad Matushewski, Timothy R H Regnault, Bryan S Richardson
We determined the impact of moderate maternal nutrient restriction (MNR) in guinea pigs with fetal growth restriction (FGR) on offspring body and organ weights, hypothesizing that FGR-MNR animals will show catch-up growth, but with organ-specific differences. Guinea pig sows were fed ad libitum (Control) or 70% of the control diet from 4 week`s pre-conception, switching to 90% at mid-pregnancy (MNR). Control newborns >95g (appropriate for gestational age or AGA, N=37) and MNR newborns <85g (FGR, N=37) were monitored until neonatal (~25 days) or adult (~110 days) necropsy...
January 10, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29342999/-risk-factors-analysis-and-prognosis-of-renal-pelvis-dilatation-in-high-risk-infants-in-monocenter
#20
Q Fu, L R Fan, Y Shen, G J Zhou, H Z Yi, N Sun, J M Wang, L Q Jia, X M Wang, H Wang
Objective: To explore the prognosis and risk factors of pyelectasis in high-risk infants. Methods: This was a retrospective study. Totally 960 high-risk infants, who accepted type B ultrasonic examination for fetus at 28th week of gestation and for newborns in 48 hours after birth, were included in the study in departments of obstetrics and eonatology, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital during May 2012 to April 2013. The degree of pyelectasis was classified using Grignon grade and the paients were followed up for 3 years...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
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