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https://www.readbyqxmd.com/read/28609144/therapeutic-benefit-of-mesenchymal-stem-cells-in-pregnant-rats-with-angiotensin-receptor-agonistic-autoantibody-induced-hypertension-implications-for-immunomodulation-and-cytoprotection
#1
Dan Zhang, Lihua Fu, Leilei Wang, Lin Lin, Lihong Yu, Lijun Zhang, Tao Shang
Immunomodulation by mesenchymal stem cells (MSCs) is potentially important for maintaining peripheral tolerance. Preeclampsia may be due to maternal immune rejection of the genetically foreign fetus. This study aimed to investigate the biological function of human umbilical cord-derived mesenchymal stem cells (HU-MSCs) for the treatment of angiotensin receptor agonistic autoantibody (AT1-AA)-induced hypertension during pregnancy. HU-MSCs were isolated, cultured, and labeled in vitro. AT1-AA and HU-MSCs were administered to pregnant rats...
June 13, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28600890/pilot-study-of-a-software-supported-protocol-for-second-trimester-ultrasound-screening
#2
Thierry Bultez, Jean-Pierre Bernard, Ulrike Metzger, Yves Ville, Laurent Julien Salomon
OBJECTIVES: To evaluate the feasibility and impact of using a software-supported protocol for routine second-trimester ultrasound scanning. METHODS: We conducted a comparative observational study of 2 sets of 25 randomly selected normal routine second-trimester examinations performed by the same expert sonographer before and 1 year after the introduction of a software-supported protocol. The scanning protocol was identical during both periods and conformed to International Society of Ultrasound in Obstetrics and Gynecology guidelines...
June 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28594706/diagnosis-of-tuberous-sclerosis-complex-in-a-patient-referred-for-uncontrolled-hypertension-and-renal-dysfunction-a-case-highlighting-the-importance-of-proper-diagnostic-work-up-of-hypertensive-patients
#3
Pantelis A Sarafidis, Athanasios Bikos, Charalampos Loutradis, Stergios Tzikas, Efstratios Vakirlis, Eugenia Avdelidou, Dimitrios Zafeiriou, Aikaterini Papagianni, Vasileios Vassilikos
: We report a case of a 39-year-old woman with resistant hypertension and renal dysfunction. The patient was hospitalized 3 months earlier for dyspnea at the Department of Cardiology, where she was diagnosed with heart failure (left ventricle injection fraction: 25-30%), pulmonary hypertension, chronic kidney disease (serum creatinine: 1.58 mg/dl), and resistant hypertension and discharged with optimal heart failure treatment. At presentation to our clinic, apart from uncontrolled hypertension for more than 10 years and history of pre-eclampsia and fetal loss, the patient had obesity (BMI: 38 kg/m) and facial fibromas...
June 7, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28593008/meckel-gruber-syndrome-ultrasonographic-and-fetal-autopsy-correlation
#4
Shruti Khurana, Vikram Saini, Vibhor Wadhwa, Harveen Kaur
Meckel-Gruber syndrome (MGS) is a rare autosomal recessive disorder which is characterized by a classic triad of occipital encephalocele, polycystic kidneys and postaxial polydactyly. We describe a case of classic MGS, diagnosed on ultrasonography and genetic analysis, with subsequent confirmation and correlation by fetal autopsy.
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28592391/long-term-fate-of-the-upper-tracts-following-complete-primary-repair-of-bladder-exstrophy
#5
Jonathan S Ellison, Jennifer Ahn, Margarett Shnorhavorian, Richard Grady, Paul A Merguerian
INTRODUCTION: Complete primary repair of bladder exstrophy (CPRE) is widely used for classic bladder exstrophy (CBE) closure. Long-term renal function with or without dilation in these patients is poorly characterized and may be impacted by bladder storage parameters or recurrent urinary tract infections (UTIs). OBJECTIVE: We sought to assess our long-term experience with CPRE and investigate factors that may influence upper-tract deterioration. STUDY DESIGN: A retrospective review of patients at our institution with CBE undergoing CPRE from 1990 to 2015 was performed...
May 17, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28579898/effect-of-motherwort-total-alkaloids-on-the-prostate-hyperplasia-mice-model-of-pathological-changes-of-related-tissue-morphology-induced-by-the-fetal-urogenital-sinus-implants
#6
Mingsan Miao, Shuo Tian, Ming Bai, Liling Xiang, Jianlian Gao
AIM: The research was to study the effect of Motherwort total alkaloids on the prostate hyperplasia mice model of pathological changes of related tissue morphology. RESULTS: Compared with the model group(MG), Motherwort total alkaloid high, medium dose group(HD, MD) could significantly reduced the pathological changes of the prostate (P < 0.01); Finasteride(FG) and Motherwort total alkaloid low dose group(LD) could significantly reduce the pathological changes of the prostate (P < 0...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28573487/low-vascularization-of-the-nephrogenic-zone-of-the-fetal-kidney-suggests-a-major-role-for-hypoxia-in-human-nephrogenesis
#7
C Gerosa, D Fanni, A Faa, P Van Eyken, A Ravarino, V Fanos, G Faa
CD31 reactivity is generally utilized as a marker of endothelial cells. CD31 immunoreactivity in the developing human kidney revealed that fetal glomerular capillary endothelial cells change their immunohistochemical phenotype during maturation. The aim of this study was to analyze CD31 reactivity in the fetal human kidney in the different stages of intrauterine development: We observed different distribution of CD31-reactive vascular progenitors in the different areas of the developing kidney. In particular, the nephrogenic zone and the renal capsule were characterized by a scarcity of CD31-reactive cells at all gestational ages...
June 1, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28566479/targeted-exome-sequencing-identifies-pbx1-as-involved-in-monogenic-congenital-anomalies-of-the-kidney-and-urinary-tract
#8
Laurence Heidet, Vincent Morinière, Charline Henry, Lara De Tomasi, Madeline Louise Reilly, Camille Humbert, Olivier Alibeu, Cécile Fourrage, Christine Bole-Feysot, Patrick Nitschké, Frédéric Tores, Marc Bras, Marc Jeanpierre, Christine Pietrement, Dominique Gaillard, Marie Gonzales, Robert Novo, Elise Schaefer, Joëlle Roume, Jelena Martinovic, Valérie Malan, Rémi Salomon, Sophie Saunier, Corinne Antignac, Cécile Jeanpierre
Congenital anomalies of the kidney and urinary tract (CAKUT) occur in three to six of 1000 live births, represent about 20% of the prenatally detected anomalies, and constitute the main cause of CKD in children. These disorders are phenotypically and genetically heterogeneous. Monogenic causes of CAKUT in humans and mice have been identified. However, despite high-throughput sequencing studies, the cause of the disease remains unknown in most patients, and several studies support more complex inheritance and the role of environmental factors and/or epigenetics in the pathophysiology of CAKUT...
May 31, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28554756/metanephric-stromal-tumor-with-a-rare-incidence-of-squamous-epithelium-a-case-report-and-a-brief-review-of-the-literature
#9
Jia Wang, Wenjie Jin, Xiangru Wu
Metanephric stromal tumor (MST) of the kidney, a rare benign pediatric neoplasm recognized for less than 20 years, is not widely known. The authors describe a case of MST with rare squamous epithelium in a 14-month-old female. A renal mass was discovered during her fetal period. After her birth, computerized tomography revealed that the mass was localized in the inferior pole of her left kidney. She then underwent nephrectomy. The tumor was an unencapsulated but well-defined mass with a white, solid and firm cut surface and had dimensions of 4cm×3...
March 21, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28552751/-ultrasound-of-the-fetal-urinary-system-during-the-first-trimester-of-pregnancy
#10
N Hamdaoui, A Dabadie, E Lesieur, E Quarello, M Kheiri, G Hery, B Guidicelli, F Bretelle, G Gorincour
The detection of abnormalities of the fetal urinary system in the first trimester of pregnancy is constantly improving, namely owing to the improved resolution of the image, the use of the endovaginal approach and thanks to sonographers' constant training. The pathological aspects, usually detected in the second trimester of pregnancy, can be suspected early in the first trimester and range from kidneys' cavity dilation to bilateral renal agenesis, polycystic kidney disease, multi-cystic dysplasia and bladder megavessia or bladder exstrophy...
May 25, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28552604/evidence-of-in%C3%A2-vitro-preservation-of-human-nephrogenesis-at-the-single-cell-level
#11
Naomi Pode-Shakked, Rotem Gershon, Gal Tam, Dorit Omer, Yehudit Gnatek, Itamar Kanter, Sarit Oriel, Guy Katz, Orit Harari-Steinberg, Tomer Kalisky, Benjamin Dekel
During nephrogenesis, stem/progenitor cells differentiate and give rise to early nephron structures that segment to proximal and distal nephron cell types. Previously, we prospectively isolated progenitors from human fetal kidney (hFK) utilizing a combination of surface markers. However, upon culture nephron progenitors differentiated and could not be robustly maintained in vitro. Here, by culturing hFK in a modified medium used for in vitro growth of mouse nephron progenitors, and by dissection of NCAM(+)/CD133(-) progenitor cells according to EpCAM expression (NCAM(+)/CD133(-)/EpCAM(-), NCAM(+)/CD133(-)/EpCAM(dim), NCAM(+)/CD133(-)/EpCAM(bright)), we show at single-cell resolution a preservation of uninduced and induced cap mesenchyme as well as a transitioning mesenchymal-epithelial state...
May 25, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28546662/pregnancy-outcome-in-patients-with-solitary-kidney
#12
Vineet V Mishra, Kavita M Mistry, Sakshi S Nanda, Sumesh Choudhary, Rohina Aggarwal, Khushali Gandhi
BACKGROUND: Solitary kidney may be congenital or as a result of nephrectomy. There is a lot of literature available on quality of life in these patients, but there is limited data on pregnancy outcome. OBJECTIVES: To study pregnancy outcome in patients with solitary kidney either congenital or due to nephrectomy. MATERIALS AND METHODS: Study Design This is a retrospective observational study conducted at tertiary health center in Ahmedabad, from 2011 to 2014...
June 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28546238/persistent-fetal-lobulation-of-kidney-mimicking-renal-tumour
#13
Syed Muhammad Nazim, Muhibullah Bangash, Basit Salam
Renal pseudotumour is a term coined to describe conditions of renal anatomic variants that simulate focal renal pathology like a tumour on ultrasonography. These include persistent fetal lobulation, hypertrophy of Bertin columns and dromedary humps. We report a case of a 30-year-old nulliparous woman who was managed in gynaecology clinic for menorrhagia and was subsequently referred to us for management of recurrent urinary tract infections. The clinical examination was normal and on ultrasound scan, she was found to have multiple enlarged heterogeneous solid masses in both kidneys with significantly increased vascularity, suspicious for neoplastic lesions...
May 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28540888/assessment-of-renal-function-in-indian-patients-with-sickle-cell-disease
#14
Bhaskar V K S Lakkakula, Henu Kumar Verma, Mona Choubey, Suneeta Patra, Prafukka Kumar Khodiar, Pradeep Kumar Patra
Sickle cell disease (SCD) and its variants are genetic disorders resulting from the presence of a mutated form of hemoglobin. Renal disease is one of the most frequent complications, and kidney damage starts very early and progresses throughout life causing severe complications. The present study is aimed to analyze creatinine-based estimated glomerular filtration rate (eGFR) in 616 SCD patients (507 HbSS and 109 HbSB+), receiving medical care at outpatient wing of Sickle Cell Institute, Chhattisgarh. Glomerular filtration rate (GFR) estimated using the Modification of Diet in Renal Disease (MDRD), Cockcroft-Gault, chronic kidney disease epidemiology collaboration (CKD-EPI) (<17 years analyzed with Schwartz), and SCD specific Jamaica Sickle Cell Cohort Study (JSCCS)-GFR equations were compared...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#15
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28503116/melatonin-pharmacology-functions-and-therapeutic-benefits
#16
REVIEW
Sylvie Tordjman, Sylvie Chokron, Richard Delorme, Annaëlle Charrier, Eric Bellissant, Nemat Jaafari, Claire Fougerou
BACKGROUND: Melatonin synchronizes central but also peripheral oscillators (fetal adrenal gland, pancreas, liver, kidney, heart, lung, fat, gut, etc.), allowing temporal organization of biological functions through circadian rhythms (24-hour cycles) in relation to periodic environmental changes and therefore adaptation of the individual to his/her internal and external environment. Measures of melatonin are considered the best peripheral indices of human circadian timing based on an internal 24-hour clock...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28500781/pregnancy-outcomes-in-simultaneous-pancreas-and-kidney-transplant-recipients-a-national-french-survey-study
#17
Gabrielle Normand, Flora Brunner, Lionel Badet, Fanny Buron, Marielle Catton, Jérôme Massardier, Laure Esposito, Philippe Grimbert, Georges Mourad, Jean E Serre, Sophie Caillard, Georges Karam, Diego Cantarovich, Emmanuel Morelon, Olivier Thaunat
Simultaneous pancreas and kidney transplantation (SPK) is currently the best therapeutic option for patients with type 1 diabetes and terminal renal failure. Renal transplantation restores fertility enabling women to pursue pregnancies. However, scarcity of available data on pregnancy outcomes in SPK impedes fair medical counseling. Medical files of all pregnancies that lasted ≥3 months among recipients of functional SPK performed between 1990 and 2015 in France were retrospectively analyzed. Twenty-six pregnancies in 22 SPK recipients were identified...
May 13, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28496945/gestational-exposure-to-silymarin-increases-susceptibility-of-balb-c-mice-fetuses-to-apoptosis
#18
Mahbobe Gholami, Seyed Adel Moallem, Mohammad Afshar, Leila Etemad, Gholamreza Karimi
BACKGROUND: Silymarin is a flavonolignan that has been the subject of research to evaluate the beneficial properties for decades. Silymarin has been known for its potent cytoprotective, hepatoprotective and antioxidant activities. The goal of the present study was to gain a deeper understanding of possible molecular mechanisms of apoptosis of the injuries induced by silymarin on BALB/c mice fetuses. METHODS: The present experimental study was carried out in virgin female BALB/c mice...
April 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28469780/the-relationship-between-amniotic-fluid-mirnas-and-congenital-obstructive-nephropathy
#19
Juntao Xie, Yi Zhou, Wenzong Gao, Zuoqing Li, Zhe Xu, Li Zhou
Exosomes are small membrane vesicles with size of 30-100 nm, which were found in bodily fluids including amniotic fluid and saliva. The biological materials in exosomes, such as proteins and RNA, can be used as novel potential biomarkers for diagnostic assays. The purpose of this study was to assess whether exosomal microRNAs (miRNAs) could be used as biomarkers to prenatally diagnose congenital hydronephrosis and to evaluate fetal kidney function. Transmission electron microscopy (TEM), flow cytometry (FACS), and western-blot were applied to identify exosomes in the amniotic fluid from fetuses with congenital hydronephrosis and healthy controls...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28463580/tissue-specific-extracellular-matrix-enhances-skeletal-muscle-precursor-cell-expansion-and-differentiation-for-potential-application-in-cell-therapy
#20
Deying Zhang, Yong Zhang, Yuanyuan Zhang, Hualin Yi, Zhan Wang, Rongpei Wu, Dawei He, Guanghui Wei, Shicheng Wei, Yun Hu, Junhong Deng, Tracy Criswell, James J Yoo, Yu Zhou, Anthony Atala
Skeletal muscle precursor cells (MPCs) are considered a key candidate for cell therapy in the treatment of skeletal muscle dysfunction due to injury, disease or age. However, expansion of a sufficient number of functional skeletal muscle cells in vitro from a small tissue biopsy has been challenging due to changes in phenotypic expression of these cells under traditional culture conditions. Thus, the aim of the study was to develop a better culture system for the expansion and myo-differentiation of MPCs that could further be used for therapy...
May 2, 2017: Tissue Engineering. Part A
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