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https://www.readbyqxmd.com/read/28319949/the-impact-of-kidney-development-on-the-life-course-a-consensus-document-for-action
#1
(no author information available yet)
Hypertension and chronic kidney disease (CKD) have a significant impact on global morbidity and mortality. The Low Birth Weight and Nephron Number Working Group has prepared a consensus document aimed to address the relatively neglected issue for the developmental programming of hypertension and CKD. It emerged from a workshop held on April 2, 2016, including eminent internationally recognized experts in the field of obstetrics, neonatology, and nephrology. Through multidisciplinary engagement, the goal of the workshop was to highlight the association between fetal and childhood development and an increased risk of adult diseases, focusing on hypertension and CKD, and to suggest possible practical solutions for the future...
March 21, 2017: Nephron
https://www.readbyqxmd.com/read/28288344/stereological-and-immunogold-studies-on-tie1-and-tie2-localization-in-glomeruli-indicate-angiopoietin-signaling-in-podocytes
#2
Anastasia Logothetidou, Ward De Spiegelaere, Wim Van den Broeck, Tim Vandecasteele, Liesbeth Couck, Paul Simoens, Pieter Cornillie
Angiopoietins and their TIE receptors are important regulators of vascular stability and remodeling. These molecules are involved not only in the normal development of kidney glomeruli, but also in disease, thus making them promising targets for therapies. Although TIE receptors are mainly found in endothelial cells, some reports observed TIE2 expression in glomerular podocytes as well. This suggests a role of angiopoietins in the regulation of podocytes. In the present study, we aimed to map the subcellular localization of TIE receptors in metanephric glomeruli of fetal pigs using high-resolution immunogold electron microscopy and the relative labeling index stereological approach...
March 2, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28278526/-acute-kidney-failure-due-to-urachal-cyst
#3
I Klaassen, M Wolf, M J Kemper, S Riechardt, M Boettcher, J Herrmann, D Singer
A 34-year-old para V woman was referred to our centre at 35+1 weeks of gestation for an assumed fetal malformation with prenatal renal impairment and anhydramnios. Prenatal ultrasound demonstrated unilateral renal agenesis; the bladder was not detectable. The baby was born by caesarian section at 36+2 weeks of gestation because of placental insufficiency. Postnatal adaptation was uneventful, but the newborn presented external stigmas of trisomy 21 and progressive renal impairment with anuria. Nevertheless, the postnatal ultrasound showed two enlarged kidneys in loco typico with impaired perfusion but without signs of malformations...
March 9, 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28276629/improved-fetal-hemoglobin-with-mtor-inhibitor-based-immunosuppression-in-a-kidney-transplant-recipient-with-sickle-cell-disease
#4
Noémie Gaudre, Pierre Cougoul, Pablo Bartolucci, Gaëlle Dörr, Alessandra Bura-Riviere, Nassim Kamar, Arnaud Del Bello
Fetal hemoglobin induction is a key-point in the management of sickle-cell disease (SCD). Herein, we report on a kidney-transplant recipient with SCD that was treated with everolimus, a mammalian target of rapamycin inhibitor. At 10 months after initiating therapy, HbF level was dramatically increased (from 4.8% to 15%) and there was excellent tolerance to treatment. This article is protected by copyright. All rights reserved.
March 9, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28270404/pbx1-haploinsufficiency-leads-to-syndromic-congenital-anomalies-of-the-kidney-and-urinary-tract-cakut-in-humans
#5
Pauline Le Tanno, Julie Breton, Marie Bidart, Véronique Satre, Radu Harbuz, Pierre F Ray, Caroline Bosson, Klaus Dieterich, Sylvie Jaillard, Sylvie Odent, Gemma Poke, Rachel Beddow, Maria Christina Digilio, Antonio Novelli, Laura Bernardini, Maria Antonietta Pisanti, Luisa Mackenroth, Karl Hackmann, Ida Vogel, Rikke Christensen, Siv Fokstuen, Frédérique Béna, Florence Amblard, Francoise Devillard, Gaelle Vieville, Alexia Apostolou, Pierre-Simon Jouk, Fitsum Guebre-Egziabher, Hervé Sartelet, Charles Coutton
BACKGROUND: Congenital anomalies of the kidney and urinary tract (CAKUT) represent a significant healthcare burden since it is the primary cause of chronic kidney in children. CNVs represent a recurrent molecular cause of CAKUT but the culprit gene remains often elusive. Our study aimed to define the gene responsible for CAKUT in patients with an 1q23.3q24.1 microdeletion. METHODS: We describe eight patients presenting with CAKUT carrying an 1q23.3q24.1 microdeletion as identified by chromosomal microarray analysis (CMA)...
March 7, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28260455/triplet-pregnancy-in-a-diabetic-mother-with-kidney-transplant-case-report-and-review-of-the-literature
#6
Tarek Mahmoud, Khalida Mujaibel, Hosam Attia, Zakaria Zakaria, Jude Yagan, Osama Gheith, Medhat Abdel Halim, Prasad Nair, Torki Al-Otaibi
Triplet and higher-order multiple pregnancies can carry increased fetal and maternal complications. Reports of triplet pregnancies after kidney transplant are scarce and have been associated with perinatal complications. Presence of diabetes in such cases worsens both fetal and maternal outcomes. Here, we present a triplet pregnancy in a kidney transplant recipient with diabetes. We also reviewed the literature for causes, prevalence, and outcomes in association with chronic kidney disease, kidney transplant, and diabetes mellitus...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28256177/complications-during-pregnancy-and-fetal-development-implications-for-the-occurrence-of-chronic-kidney-disease
#7
REVIEW
Ashley D Newsome, Gwendolyn K Davis, Norma B Ojeda, Barbara T Alexander
Numerous epidemiological studies indicate an inverse association between birth weight and the risk for chronic kidney disease. Areas covered: Historically, the first studies to address the developmental origins of chronic disease focused on the inverse relationship between birth weight and blood pressure. A reduction in nephron number was a consistent finding in low birth weight individuals and experimental models of developmental insult. Recent studies indicate that a congenital reduction in renal reserve in conjunction with an increase in blood pressure that has its origins in fetal life increases vulnerability to renal injury and disease...
March 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28228403/antenatal-betamethasone-attenuates-the-angiotensin-1-7-mas-receptor-nitric-oxide-axis-in-isolated-proximal-tubule-cells
#8
Yixin Su, Jianli Bi, Victor M Pulgar, Mark C Chappell, James C Rose
We previously reported a sex-specific effect of antenatal treatment with betamethasone (Beta) on sodium (Na(+)) excretion in adult sheep whereby treated males but not females had an attenuated natriuretic response to Ang-(1-7). The present study determined the Na(+) uptake and nitric oxide (NO) response to low dose Ang-(1-7) (1 pM) in renal proximal tubule cells (RPTC) from adult male and female sheep antenatally exposed to Beta or vehicle. Data were expressed as % of basal uptake or area under the curve (AUC) for Na(+) or % of control for NO...
February 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28209334/pregnancy-in-chronic-kidney-disease-and-kidney-transplantation
#9
REVIEW
Philip Webster, Liz Lightstone, Dianne B McKay, Michelle A Josephson
Chronic kidney disease (CKD) affects up to 6% of women of childbearing age in high income countries, and is estimated to affect 3% of pregnant women. Advanced renal dysfunction, proteinuria, hypertension, and poorly controlled underlying primary renal disease are all significant risks for adverse maternal, fetal, and renal outcomes. In order to achieve the best outcomes, it is therefore of paramount importance that these pregnancies are planned, where possible, to allow the opportunity to counsel women and their partners in advance and to optimize these risks...
February 13, 2017: Kidney International
https://www.readbyqxmd.com/read/28208659/developmental-origins-of-chronic-kidney-disease-should-we-focus-on-early-life
#10
REVIEW
You-Lin Tain, Chien-Ning Hsu
Chronic kidney disease (CKD) is becoming a global burden, despite recent advances in management. CKD can begin in early life by so-called "developmental programming" or "developmental origins of health and disease" (DOHaD). Early-life insults cause structural and functional changes in the developing kidney, which is called renal programming. Epidemiological and experimental evidence supports the proposition that early-life adverse events lead to renal programming and make subjects vulnerable to developing CKD and its comorbidities in later life...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28196661/pediatric-medical-device-development-by-surgeons-via-capstone-engineering-design-programs
#11
Bryan S Sack, Rodolfo A Elizondo, Gene O Huang, Nicolette Janzen, Jimmy Espinoza, Magdalena Sanz-Cortes, Jennifer E Dietrich, Julie Hakim, Eric Richardson, Maria Oden, John Hanks, Balakrishna Haridas, James F Hury, Chester J Koh
BACKGROUND: There is a need for pediatric medical devices that accommodate the unique physiology and anatomy of pediatric patients that is increasingly receiving more attention. However, there is limited literature on the programs within children's hospitals and academia that can support pediatric device development. We describe our experience with pediatric device design utilizing collaborations between a children's hospital and two engineering schools. METHODS: Utilizing the academic year as a timeline, unmet pediatric device needs were identified by surgical faculty and matched with an engineering mentor and a team of students within the Capstone Engineering Design programs at two universities...
February 6, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28191781/direct-isolation-and-characterization-of-human-nephron-progenitors
#12
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/28167587/snake-bite-induced-acute-kidney-injury-report-of-a-successful-outcome-during-pregnancy
#13
Sanjay Vikrant, Anupam Parashar
Snake bite is an important health hazard in tropics. Snake envenomation in pregnancy may cause fetal death and maternal mortality or morbidity. However, little is known about the toxic effects and optimal management during pregnancy after snake envenomation because of the rarity of cases. Herein, we report a case of a pregnant woman who was successfully treated for snake bite-induced acute kidney injury during the third trimester. She was treated with equine-derived polyvalent anti-snake venom without development of any adverse effects, hemodialysis, and supportive therapy...
February 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28161315/renal-development-in-the-fetus-and-premature-infant
#14
REVIEW
Stacy Rosenblum, Abhijeet Pal, Kimberly Reidy
Congenital abnormalities of the kidney and urinary tract (CAKUT) are one of the leading congenital defects to be identified on prenatal ultrasound. CAKUT represent a broad spectrum of abnormalities, from transient hydronephrosis to severe bilateral renal agenesis. CAKUT are a major contributor to chronic and end stage kidney disease (CKD/ESKD) in children. Prenatal imaging is useful to identify CAKUT, but will not detect all defects. Both genetic abnormalities and the fetal environment contribute to CAKUT. Monogenic gene mutations identified in human CAKUT have advanced our understanding of molecular mechanisms of renal development...
February 1, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28148530/usp40-gene-knockdown-disrupts-glomerular-permeability-in-zebrafish
#15
Hisashi Takagi, Yukino Nishibori, Kan Katayama, Tomohisa Katada, Shohei Takahashi, Zentaro Kiuchi, Shin-Ichiro Takahashi, Hiroyasu Kamei, Hayato Kawakami, Yoshihiro Akimoto, Akihiko Kudo, Katsuhiko Asanuma, Hiromu Takematsu, Kunimasa Yan
Unbiased transcriptome profiling and functional genomics approaches have identified ubiquitin specific protease 40 (USP40) as a highly specific glomerular transcript. This gene product remains uncharacterized, and its biological function is completely unknown. Here, we showed that mouse and rat glomeruli exhibit specific expression of the USP40 protein, which migrated at 150 kDa and was exclusively localized in the podocyte cytoplasm of the adult kidney. Double-labeling immunofluorescence staining and confocal microscopy analysis of fetal and neonate kidney samples revealed that USP40 was also expressed in the vasculature, including in glomerular endothelial cells at the premature stage...
February 1, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28143994/intra-uterine-growth-retardation-and-development-of-hypertension
#16
REVIEW
Haerani Rasyid, Syakib Bakri
Low birth weight (LBW) is defined as a birth weight of a liveborn infant of <2,500 gram. In developed countries, LBW is commonly caused by preterm birth; while in developing countries, it is mostly due to intrauterine growth retardation. The concept of developmental origins of adult diseases, particularly on late-onset diseases such as hypertension and kidney disease, implies that there is a correlation between intrauterine milieu, intrauterine growth retardation, premature birth and infant feeding. The 'fetal origin hypothesis' suggests that metabolic diseases are directly related to poor nutritional status in early life...
October 2016: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/28143670/maternal-and-fetal-folate-vitamin-b12-and-homocysteine-concentrations-and-childhood-kidney-outcomes
#17
Kozeta Miliku, Anne Mesu, Oscar H Franco, Albert Hofman, Eric A P Steegers, Vincent W V Jaddoe
BACKGROUND: Folate, vitamin B12, and homocysteine concentrations during pregnancy are important factors for early development and may persistently influence kidney function in the offspring. We examined the associations of folate, vitamin B12, and homocysteine concentrations during pregnancy with kidney outcomes in school-aged children. STUDY DESIGN: Population-based prospective cohort study from fetal life onward. SETTINGS & PARTICIPANTS: This study was performed among 4,226 pregnant women and their children...
January 28, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28131847/inhibition-of-11%C3%AE-hydroxysteroid-dehydrogenase-2-by-the-fungicides-itraconazole-and-posaconazole
#18
Katharina R Beck, Murielle Bächler, Anna Vuorinen, Sandra Wagner, Muhammad Akram, Ulrich Griesser, Veronika Temml, Petra Klusonova, Hideaki Yamaguchi, Daniela Schuster, Alex Odermatt
Impaired 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2)-dependent cortisol inactivation can lead to electrolyte dysbalance, hypertension and cardiometabolic disease. Furthermore, placental 11β-HSD2 essentially protects the fetus from high maternal glucocorticoid levels, and its impaired function has been associated with altered fetal growth and a higher risk for cardio-metabolic diseases in later life. Despite its important role, 11β-HSD2 is not included in current off-target screening approaches. To identify potential 11β-HSD inhibitors among approved drugs, a pharmacophore model was used for virtual screening, followed by biological assessment of selected hits...
January 25, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28130881/transplantation-of-hepatocytes-from-genetically-engineered-pigs-into-baboons
#19
Hayato Iwase, Hong Liu, Eva Schmelzer, Mohamed Ezzelarab, Martin Wijkstrom, Hidetaka Hara, Whayoung Lee, Jagjit Singh, Cassandra Long, Eric Lagasse, Jörg C Gerlach, David K C Cooper, Bruno Gridelli
BACKGROUND: Some patients with acute or acute-on-chronic hepatic failure die before a suitable human liver allograft becomes available. Encouraging results have been achieved in such patients by the transplantation of human hepatocyte progenitor cells from fetal liver tissue. The aim of the study was to explore survival of hepatocytes from genetically engineered pigs after direct injection into the spleen and other selected sites in immunosuppressed baboons to monitor the immune response and the metabolic function and survival of the transplanted hepatocytes...
January 28, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28116543/icariin-combined-with-human-umbilical-cord-mesenchymal-stem-cells-significantly-improve-the-impaired-kidney-function-in-chronic-renal-failure
#20
Wen Li, Li Wang, Xiaoqian Chu, Huantian Cui, Yuhong Bian
At present, the main therapy for chronic renal failure (CRF) is dialysis and renal transplantation, but neither obtains satisfactory results. Human umbilical cord mesenchymal stem cells (huMSCs) are isolated from the fetal umbilical cord which has a high self-renewal and multi-directional differentiation potential. Icariin (ICA), a kidney-tonifying Chinese Medicine can enhance the multipotency of huMSCs. Therefore, this work seeks to employ the use of ICA-treated huMSCs for the treatment of chronic renal failure...
January 23, 2017: Molecular and Cellular Biochemistry
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