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renal stem cell

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https://www.readbyqxmd.com/read/29050853/cytoplasmic-expression-of-cd133-stemness-marker-is-associated-with-tumor-aggressiveness-in-clear-cell-renal-cell-carcinoma
#1
Leili Saeednejad Zanjani, Zahra Madjd, Maryam Abolhasani, Yvonne Andersson, Arezoo Rasti, Ahmad Shariftabrizi, Mojgan Asgari
Prominin-1 (CD133) is one of the most commonly used markers for cancer stem cells (CSCs), which are characterized by their ability for self-renewal and tumorigenicity. However, the clinical and prognostic significance of CSCs in renal cell carcinoma (RCC) remains unclear. The aim of this study was to investigate the expression patterns and prognostic significance of the cancer stem cell marker CD133 in different histological subtypes of RCC. CD133 expression was evaluated using immunohistochemistry in 193 well-defined renal tumor samples on tissue microarrays, including 136 (70...
October 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29050787/transplantation-routes-affect-the-efficacy-of-human-umbilical-cord-mesenchymal-stem-cells-in-a-rat-gdm-model
#2
Dan Wu, Shan Zou, Haibin Chen, Xiaoyan Li, Yetao Xu, Qing Zuo, Yi Pan, Shi-Wen Jiang, Huan Huang, Lizhou Sun
Gestational diabetes mellitus (GDM) is harmful to both the mother and fetus. Although transplantation of human umbilical cord mesenchymal stem cells (HUMSCs) could be a useful therapy for GDM, the influences of different transplantation routes on the therapeutic effects remain unclear. In this study, we isolated and cultured the HUMSCs for transplantation, and the biological activity of HUMSCs was verified by flow cytometric analysis (the positive markers, CD44, CD73, CD105 and CD90, the negative markers, CD45, CD34, CD19, HLA-DR, and CD11b) and potency of osteogenic, adipogenic and chondrogenic differentiation...
October 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29050313/adipose-derived-mesenchymal-stem-cells-employed-exosomes-to-attenuate-aki-ckd-transition-through-tubular-epithelial-cell-dependent-sox9-activation
#3
Fengming Zhu, Octavia L S Chong Lee Shin, Guangchang Pei, Zhizhi Hu, Juan Yang, Han Zhu, Meng Wang, Jingyi Mou, Jie Sun, Yuxi Wang, Qian Yang, Zhi Zhao, Huzi Xu, Hui Gao, Weiqi Yao, Xiao Luo, Wenhui Liao, Gang Xu, Rui Zeng, Ying Yao
Acute kidney injury (AKI) predisposes patients to an increased risk into progressive chronic kidney disease (CKD), however effective treatments are still elusive. This study aimed to investigate the therapeutic efficacy of human adipose-derived MSCs (hAD-MSCs) in the prevention of AKI-CKD transition, and illuminate the role of Sox9, a vital transcription factor in the development of kidney, in this process. C57BL/6 mice were subjected to unilateral renal ischemia/reperfusion (I/R) with or without hAD-MSC treatment...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050031/reading-first-coordinates-from-the%C3%A2-nephrogenic-zone-in-human-fetal%C3%A2-kidney
#4
Will W Minuth
While substantial information is available on organ anlage and the primary formation of nephrons, molecular mechanisms acting during the late development of the human kidney have received an astonishing lack of attention. In healthy newborn babies, nephrogenesis takes place unnoticed until birth. Upon delivery, morphogenetic activity in the nephrogenic zone decreases, and the stem cell niches aligned beyond the organ capsule vanish by an unknown signal. However, this signal also plays a key role in preterm and low birth weight babies...
October 19, 2017: Nephron
https://www.readbyqxmd.com/read/29043663/nephrotoxicity-induced-by-cisplatin-intake-in-experimental-rats-and-therapeutic-approach-of-using-mesenchymal-stem-cells-and-spironolactone
#5
Mohamed M Elseweidy, Mervat E Askar, Sahar E Elswefy, Mohamed Shawky
Chronic kidney disease may lead to subsequent tissue fibrosis. However, many factors can combat injurious stimuli in these tissues aiming to repair, heal, and alleviate any disturbance. Chemokines release, migration of inflammatory cells to the affected site, and activation of fibroblasts for the production of extracellular matrix are commonly observed in this disease. In the last years, many studies have focused on spironolactone (SPL), a mineralocorticoid receptor antagonist, and its pharmacological effects...
October 17, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29037855/nephrosphere-derived-cells-are-induced-to-multilineage-differentiation-when-cultured-on-human-decellularized-kidney-scaffolds
#6
Silvia Bombelli, Chiara Meregalli, Carla Scalia, Giorgio Bovo, Barbara Torsello, Sofia De Marco, Massimiliano Cadamuro, Paolo Viganò, Guido Strada, Giorgio Cattoretti, Cristina Bianchi, Roberto A Perego
In end-stage chronic kidney disease, the option of organ transplantation is limited due to the scarce availability of kidneys. The combination of stem cell research, regenerative medicine, and tissue engineering seems a promising approach to produce new transplantable kidneys. Currently, the possibility to repopulate naturally obtained scaffolds with cells of different sources is advancing. Our aim was to test, for the first time, whether the nephrosphere (NS) cells, composed by renal stem/progenitor-like cells, were able to repopulate different nephron portions of renal extracellular matrix scaffolds obtained after decellularization of human renal tissue slices...
October 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29035842/derivation-and-characterization-of-integration-free-ipsc-line-isrm-um51-derived-from-six2-positive-renal-cells-isolated-from-urine-of-an-african-male-expressing-the-cyp2d6-4-17-variant-which-confers-intermediate-drug-metabolizing-activity
#7
Martina Bohndorf, Audrey Ncube, Lucas-Sebastian Spitzhorn, Jürgen Enczmann, Wasco Wruck, James Adjaye
SIX2-positive renal cells isolated from urine from a 51year old male of African origin bearing the CYP2D6 *4/*17 variant were reprogrammed by nucleofection of a combination of two episomal-based plasmids omitting pathway (TGFβ, MEK and GSK3β) inhibition. The induced pluripotent stem cells (iPSCs) were characterized by immunocytochemistry, embryoid body formation, DNA-fingerprinting and karyotype analysis. Comparative transcriptome analyses with human embryonic stem cell lines H1 and H9 revealed a Pearson correlation of 0...
October 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034881/generation-of-induced-pluripotent-stem-cells-derived-from-an-autosomal-dominant-polycystic-kidney-disease-patient-with-a-p-ser1457fs-mutation-in-pkd1
#8
Ching-Ying Huang, Ming-Ching Ho, Jia-Jung Lee, Daw-Yang Hwang, Hui-Wen Ko, Yu-Che Cheng, Yu-Hung Hsu, Huai-En Lu, Hung-Chun Chen, Patrick C H Hsieh
Autosomal dominant polycystic kidney disease is one of the most prevalent forms of inherited cystic kidney disease, and can be characterized by kidney cyst formation and enlargement. Here we report the generation of a Type 1 ADPKD disease iPS cell line, IBMS-iPSC-012-12, which retains the conserved deletion of PKD1, normal karyotype and exhibits the properties of pluripotent stem cells such as ES-like morphology, expression of pluripotent markers and capacity to differentiate into all three germ layers. Our results show that we have successfully generated a patient-specific iPS cell line with a mutation in PKD1 for study of renal disease pathophysiology...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28992100/prenatal-exposure-to-lps-alters-the-intrarenal-ras-in-offspring-which-is-ameliorated-by-adipose-tissue-derived-mesenchymal-stem-cells
#9
Xian-Fei Ding, Mou Sun, Fang-Xia Guan, Li-Na Guo, Yan-Yan Zhang, You-Dong Wan, Xiao-Juan Zhang, Yan-Wu Yu, Shan-Shan Ma, Hai-Mu Yao, Rui Yao, Rui-Fang Zhang, Tong-Wen Sun, Quan-Cheng Kan
BACKGROUND: Prenatal lipopolysaccharide (LPS) exposure causes hypertension in rat offspring through an unknown mechanism. Here, we investigated the role of the intrarenal renin-angiotensin system (RAS) in hypertension induced by prenatal LPS exposure and also explored whether adipose tissue-derived mesenchymal stem cells (ADSCs) can ameliorate the effects of prenatal LPS exposure in rat offspring. METHODS: Sixty-four pregnant rats were randomly divided into 4 groups (n = 16 in each), namely, a control group and an LPS group, which were intraperitoneally injected with vehicle and 0...
July 15, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28991252/population-pharmacokinetics-and-pharmacodynamics-of-mycophenolic-acid-using-the-prospective-data-in-patients-undergoing-hematopoietic-stem-cell-transplantation
#10
K Yoshimura, I Yano, T Yamamoto, M Kawanishi, Y Isomoto, A Yonezawa, T Kondo, A Takaori-Kondo, K Matsubara
Mycophenolate mofetil (MMF), a prodrug of mycophenolic acid (MPA), is used to suppress GvHD in patients undergoing hematopoietic stem cell transplantation (HCT). The purpose of this study was to construct a population pharmacokinetic and pharmacodynamic model in HCT patients for individualized MPA therapy. Blood samples were obtained from 49 HCT patients after starting MMF therapy. Population pharmacokinetic and pharmacodynamic parameters were obtained using the program NONMEM. MPA was described via a one-compartment model with a first-order elimination, and 30...
October 9, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28990105/microrna%C3%A2-24%C3%A2-2-is-associated-with-cell-proliferation-invasion-migration-and-apoptosis-in-renal-cell-carcinoma
#11
Lu Jin, Yifan Li, Liping Nie, Tao He, Jia Hu, Jiaju Liu, Mingwei Chen, Min Shi, Zhimao Jiang, Yaoting Gui, Shangqi Yang, Yongqing Lai
Micro (mi)RNAs are involved in multiple cellular processes, and alterations in miRNA expression have been demonstrated to lead to tumorigenesis. Previous microarray analysis revealed that miRNA (miR)‑24 was downregulated in renal cell carcinoma (RCC). Additionally, miR‑24 has been identified as an oncogene and tumor suppressor in various cancers. The present study assessed the expression levels of two stem‑loops of miR‑24, miR‑24‑1 and miR‑24‑2, in RCC tissues and paired healthy tissues by reverse transcription‑quantitative polymerase chain reaction...
October 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28987247/impact-of-autologous-stem-cell-transplantation-on-blood-pressure-and-renal-function-in-multiple-myeloma-patients
#12
Leah Balsam, Chadi Saad, Camelia Arsene, Joshua Fogel
BACKGROUND: Autologous stem cell transplantation (ASCT) reverses kidney failure in one-third of multiple myeloma (MM) patients, which may lead to blood pressure (BP) improvement. We evaluate the long term impact of ASCT on BP and renal function in MM patients. METHODS: We studied 192 MM patients that underwent ASCT. We compared BP readings and glomerular filtration rate (GFR) at 4 weeks before ASCT, on day of ASCT and post-ASCT at 30, 100 and 180 days. RESULTS: Mean systolic blood pressure (SBP) and diastolic blood pressure (DBP) on day of ASCT and at both 30 and 100 days post-ASCT was significantly lower as compared to pre-ASCT SBP and DBP...
2017: Journal of the National Medical Association
https://www.readbyqxmd.com/read/28986189/prevention-of-cmv-reactivation-in-haploidentical-stem-cell-transplantation
#13
Aimee E Hammerstrom, Lindsey R Lombardi, Sai Ravi Pingali, Gabriela Rondon, Julianne Chen, Denái R Milton, Roy F Chemaly, Richard E Champlin, Alison Gulbis, Stefan O Ciurea
Cytomegalovirus (CMV) infection can increase the morbidity and mortality after allogeneic hematopoietic cell transplantation (HCT). Due to a higher degree of immunosuppression, haploidentical transplant recipients may be at an increased risk of viral infections, particularly CMV. We retrospectively analyzed 86 haploidentical HCT recipients at our institution, to determine whether a more intensified antiviral strategy would reduce the incidence of CMV reactivation compared with a traditional antiviral prophylaxis regimen...
October 3, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28985199/renal-lineage-cells-as-a-source-for-renal-regeneration
#14
REVIEW
Oren Pleniceanu, Dorit Omer, Orit Harari-Steinberg, Benjamin Dekel
The mammalian kidney is a highly complex organ, composed of various cell types within a unique structural framework. Nonetheless, in recent years, giant leaps in our understanding of nephrogenesis and the origin of new cells in the adult kidney, have resulted in novel routes to regenerate damaged nephrons. While several strategies can be envisioned to achieve this aim, one common theme is the reliance on renal lineage cells, since extra-renal cells, such as bone-marrow derived cells, have been shown to be devoid of renal differentiation capacity...
October 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28978010/the-network-of-dab2ip-mir-138-in-regulating-drug-resistance-of-renal-cell-carcinoma-associated-with-stem-like-phenotypes
#15
Eun-Jin Yun, Jiancheng Zhou, Chun-Jung Lin, Shan Xu, John Santoyo, Elizabeth Hernandez, Chih-Ho Lai, Ho Lin, Dalin He, Jer-Tsong Hsieh
Targeted therapy is a standard of care for metastatic renal cell carcinoma (RCC) but the response rate is not overwhelmed, which only prolongs a short survival of patients due to the onset of therapeutic resistance. Although the mechanisms are not fully understood, the presence of cancer initiating cells (CIC) may underlie the drug resistance. Nevertheless, identifying CIC phenotypes with its biomarkers in RCC appear to be diverse and controversial from many reports. In this study, we took a different approach to focus on the regulatory mechanism in RCC-CIC and unveil DAB2IP-mediated miR-138 expression that plays a critical role in modulating stem-like phenotypes in RCC via targeting the ABC transporter (ABCA13) as well as oncogenic histone methyltransferase EZH2 while down regulation of miR-138 gene expression in RCC is due to epigenetic gene silencing by DNA methyltransferase 1 (DNMT1)...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28976282/injectable-co-gels-of-collagen-and-decellularized-vascular-matrix-improve-msc-based-therapy-for-acute-kidney-injury
#16
Shuang Huang, Yajian Li, Xinning Wang, Xin Ma, Xu Zhang
Transplantation of mesenchymal stem cells (MSCs) is promising for treatment of acute kidney injury (AKI), but their therapeutic effects are often limited under normal conditions. In this study, we prepared the co-gels of decellularized vascular matrix and collagen, and investigated whether the co-gels increase the therapeutic potentials of MSCs on AKI. In vitro studies indicated that the co-gels enhanced the paracrine effects of MSCs, and significantly reduced the apoptosis of MSCs under oxidative environments...
October 13, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28972944/delayed-development-of-hemolytic-anemia-with-fragmented-red-blood-cells-and-cardiac-and-renal-impairments-after-high-dose-chemotherapy-and-autologous-hematopoietic-stem-cell-transplantation-for-malignant-lymphoma
#17
Futoshi Iioka, Yusuke Toda, Yuya Nagai, Takashi Akasaka, Daiki Shimomura, Katsuyo Tsuda, Fumihiko Nakamura, Hitoshi Ohno
Among 42 consecutive patients with malignant lymphoma who underwent high-dose chemotherapy (HDC) followed by autologous hematopoietic stem cell transplantation (AHSCT), 5 developed hemolytic anemia with fragmented red blood cells (HA-FrRBCs) on days 87-125 (median 107) of AHSCT. Nadir Hb levels ranged between 5.0 and 6.4 g/dL with 2.2-5.6% FrRBCs. All patients developed grade ≥3 hypoxia and heart failure, and 4 developed grade ≥3 hypertension. The ejection fraction of the left ventricle assessed by echocardiography was significantly reduced in 3 patients...
October 4, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28954928/human-pluripotent-stem-cell-derived-erythropoietin-producing-cells-ameliorate-renal-anemia-in-mice
#18
Hirofumi Hitomi, Tomoko Kasahara, Naoko Katagiri, Azusa Hoshina, Shin-Ichi Mae, Maki Kotaka, Takafumi Toyohara, Asadur Rahman, Daisuke Nakano, Akira Niwa, Megumu K Saito, Tatsutoshi Nakahata, Akira Nishiyama, Kenji Osafune
The production of erythropoietin (EPO) by the kidneys, a principal hormone for the hematopoietic system, is reduced in patients with chronic kidney disease (CKD), eventually resulting in severe anemia. Although recombinant human EPO treatment improves anemia in patients with CKD, returning to full red blood cell production without fluctuations does not always occur. We established a method to generate EPO-producing cells from human induced pluripotent stem cells (hiPSCs) by modifying previously reported hepatic differentiation protocols...
September 27, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28951984/remote-ischemic-preconditioning-protects-human-neural-stem-cells-from-oxidative-stress
#19
Ayako Motomura, Mikiko Shimizu, Akira Kato, Kazuya Motomura, Akane Yamamichi, Hiroko Koyama, Fumiharu Ohka, Tomohide Nishikawa, Yusuke Nishimura, Masahito Hara, Tetsuya Fukuda, Yasuhiko Bando, Toshihide Nishimura, Toshihiko Wakabayashi, Atsushi Natsume
In previous clinical trials, we showed that remote ischemic preconditioning (rIPC) reduced myocardial damage in children undergoing treatment for congenital heart defects and postoperative renal failure in patients undergoing abdominal aortic aneurysm surgery. In rabbit experiments, pre-treatment with plasma and plasma dialysate (obtained using 15-kDa cut-off dialysis membrane) from donor rabbits subjected to rIPC similarly protected against cardiac infarction. However, the protective substances containing in rIPC plasma have been unknown...
September 26, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28951193/impact-of-toxicity-on-survival-for-older-adult-patients-after-cd34-selected-allogeneic-hematopoietic-stem-cell-transplantation
#20
Gunjan L Shah, Michael Scordo, Satyajit Kosuri, Diego Adrianzen Herrera, Christina Cho, Molly A Maloy, Jimmy Nieves, Sean M Devlin, Taylor Borrill, Dean C Carlow, Scott T Avecilla, Richard C Meagher, Richard J O'Reilly, Ann A Jakubowski, Esperanza B Papadopoulos, Guenther Koehne, Boglarka Gyurkocza, Hugo Castro-Malaspina, Brian C Shaffer, Miguel-Angel Perales, Sergio A Giralt, Roni Tamari
Ex vivo CD 34+ selection prior to allogeneic hematopoietic stem Cell transplantation (allo-HCT) reduces GVHD without increasing relapse, but usually requires myeloablative conditioning. We aimed to identify toxicity patterns in older patients & the association with overall survival (OS) & non-relapse mortality (NRM). We conducted a retrospective analysis of 200 pts who underwent CD34+ selection allo-HCT using the ClinicMACS® system between 2006-2012. All grade 3-5 toxicities by CTCAE v4.0 were collected. Eighty patients ≥ 60yrs with a median age of 64 (range 60-73) were compared to 120 pts <60yrs...
September 22, 2017: Biology of Blood and Marrow Transplantation
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