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https://www.readbyqxmd.com/read/28092863/adipose-derived-stem-cells-ameliorate-renal-interstitial-fibrosis-through-inhibition-of-emt-and-inflammatory-response-via-tgf-%C3%AE-1-signaling-pathway
#1
Yan Song, Changliang Peng, Shasha Lv, Jing Cheng, Shanshan Liu, Qing Wen, Guangju Guan, Gang Liu
Adipose-derived stem cells (ADSCs) have been successfully used to treat acute kidney injury or acute renal failure. However, the effect of ADSCs on treating renal interstitial fibrosis remains unknown. Here, we assessed the therapeutic efficacy of ADSCs on renal interstitial fibrosis induced by unilateral ureter obstruction (UUO) and explored the potential mechanisms. After 7days of UUO, rats were injected with ADSCs (5×10(6)) or vehicle via tail vein. We found that ADSCs administration significantly ameliorated renal interstitial fibrosis, the occurrence of epithelial-mesenchymal transition (EMT) and inflammatory response...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092350/long-term-renal-survival-in-patients-undergoing-t-cell-depleted-versus-conventional-hematopoietic-stem-cell-transplants
#2
I G Glezerman, S Devlin, M Maloy, M Bui, E A Jaimes, S A Giralt, A A Jakubowski
Calcineurin inhibitor (CNI)-sparing T-cell depleted (TCD) hematopoietic stem cell transplants (HSCTs) are presumed to be less nephrotoxic than conventional HSCTs. We evaluated incidence and risk factors for kidney failure and chronic kidney disease (CKD) in 231 TCD and 212 conventional HSCT recipients. Kidney failure required a median glomerular filtration rate (GFR) <60 ml/min/1.73 m(2) for ⩾100 days anytime after 180-days post-HSCT. Two-year cumulative incidence (CI) of kidney failure was 42% in the conventional versus 31% in the TCD group (P=0...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28089754/stem-cell-therapy-an-emerging-modality-in-glomerular-diseases
#3
REVIEW
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
The kidney has been considered a highly terminally differentiated organ with low proliferative potential and thus unlikely to undergo regeneration. Glomerular disease progresses to end-stage renal disease (ESRD), which requires dialysis or renal transplantation for better quality of life for patients with ESRD. Because of the shortage of implantable kidneys and complications such as immune rejection, septicemia and toxicity of immunosuppression, kidney transplantation remains a challenge. Therapeutic options available for glomerular disease include symptomatic treatment and strategies to delay progression...
January 12, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28070858/exosome-and-microvesicle-enriched-fractions-isolated-from-mesenchymal-stem-cells-by-gradient-separation-showed-different-molecular-signatures-and-functions-on-renal-tubular-epithelial-cells
#4
Federica Collino, Margherita Pomatto, Stefania Bruno, Rafael Soares Lindoso, Marta Tapparo, Wen Sicheng, Peter Quesenberry, Giovanni Camussi
Several studies have suggested that extracellular vesicles (EVs) released from mesenchymal stem cells (MSCs) may mediate MSC paracrine action on kidney regeneration. This activity has been, at least in part, ascribed to the transfer of proteins/transcription factors and different RNA species. Information on the RNA/protein content of different MSC EV subpopulations and the correlation with their biological activity is currently incomplete. The aim of this study was to evaluate the molecular composition and the functional properties on renal target cells of MSC EV sub-populations separated by gradient floatation...
January 9, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28070037/-bm-mscs-from-wuzhishan-mini-pigs-delay-the-progress-of-renal-fibrosis-induced-by-chronic-kidney-disease-through-%C3%A2-autocrine-hepatocyte-growth-factor-in-vitro
#5
Yang Xiang, Jiale Long, Jiansheng Xing, Yuanhui Gao, Qing Cheng, Yong Cai, Zhenxiang Liu, Shufang Zhang, Lie Chen, Chao Yang, Zhiming Bai
To isolate bone marrow mesenchymal stem cells (BM-MSCs) and establish the model of chronic kidney disease (CKD) of Wuzhishan (WZS) mini-pig, and to study the repairment effect of BM-MSCs on CKD-induced renal fibrosis in vitro.
 Methods: Density gradient method was used to isolate and culture BM-MSCs. The cells were verified by morphology, phenotype, differentiation and so on. The left partial ureteral obstruction (LPUUO) was used to establish the CKD model, which was evaluated by B-ultrasound, single-photon emission computed tomography (SPECT), HE and Masson staining...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28056882/functional-significance-of-cd105-positive-cells-in-papillary-renal-cell-carcinoma
#6
Damian Matak, Klaudia K Brodaczewska, Cezary Szczylik, Irena Koch, Adam Myszczyszyn, Monika Lipiec, Slawomir Lewicki, Lukasz Szymanski, Robert Zdanowski, Anna M Czarnecka
BACKGROUND: CD105 was postulated as a renal cell carcinoma (RCC) stem cell marker, and CD133 as a putative RCC progenitor. Hypoxia, a natural microenvironment that prevails in tumors, was also incorporated into the study, especially in terms of the promotion of hypothetical stem-like cell properties. METHODS: Within this study, we verify the existence of CD105+ and CD133+ populations in selected papillary subtype RCC (pRCC) cell lines. Both populations were analyzed for correlation with stem-like cell properties, such as stemness gene expression, and sphere and colony formation...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28017905/stem-cell-derived-kidney-cells-and-organoids-recent-breakthroughs-and-emerging-applications
#7
REVIEW
Jacqueline Kai Chin Chuah, Daniele Zink
The global rise in the numbers of kidney patients and the shortage in transplantable organs have led to an increasing interest in kidney-specific regenerative therapies, renal disease modelling and bioartificial kidneys. Sources for large quantities of high-quality renal cells and tissues would be required, also for applications in in vitro platforms for compound safety and efficacy screening. Stem cell-based approaches for the generation of renal-like cells and tissues would be most attractive, but such methods were not available until recently...
December 23, 2016: Biotechnology Advances
https://www.readbyqxmd.com/read/27990015/the-renal-fanconi-syndrome-in-cystinosis-pathogenic-insights-and-therapeutic-perspectives
#8
REVIEW
Stephanie Cherqui, Pierre J Courtoy
Cystinosis is an autosomal recessive metabolic disease that belongs to the family of lysosomal storage disorders. It is caused by a defect in the lysosomal cystine transporter, cystinosin, which results in an accumulation of cystine in all organs. Despite the ubiquitous expression of cystinosin, a renal Fanconi syndrome is often the first manifestation of cystinosis, usually presenting within the first year of life and characterized by the early and severe dysfunction of proximal tubule cells, highlighting the unique vulnerability of this cell type...
February 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/27987038/efficient-genome-editing-of-differentiated-renal-epithelial-cells
#9
Alexis Hofherr, Tilman Busch, Nora Huber, Andreas Nold, Albert Bohn, Amandine Viau, Frank Bienaimé, E Wolfgang Kuehn, Sebastian J Arnold, Michael Köttgen
Recent advances in genome editing technologies have enabled the rapid and precise manipulation of genomes, including the targeted introduction, alteration, and removal of genomic sequences. However, respective methods have been described mainly in non-differentiated or haploid cell types. Genome editing of well-differentiated renal epithelial cells has been hampered by a range of technological issues, including optimal design, efficient expression of multiple genome editing constructs, attainable mutation rates, and best screening strategies...
December 16, 2016: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/27982115/generation-of-kidney-tubular-organoids-from-human-pluripotent-stem-cells
#10
Shintaro Yamaguchi, Ryuji Morizane, Koichiro Homma, Toshiaki Monkawa, Sayuri Suzuki, Shizuka Fujii, Muneaki Koda, Ken Hiratsuka, Maho Yamashita, Tadashi Yoshida, Shu Wakino, Koichi Hayashi, Junichi Sasaki, Shingo Hori, Hiroshi Itoh
Recent advances in stem cell research have resulted in methods to generate kidney organoids from human pluripotent stem cells (hPSCs), which contain cells of multiple lineages including nephron epithelial cells. Methods to purify specific types of cells from differentiated hPSCs, however, have not been established well. For bioengineering, cell transplantation, and disease modeling, it would be useful to establish those methods to obtain pure populations of specific types of kidney cells. Here, we report a simple two-step differentiation protocol to generate kidney tubular organoids from hPSCs with direct purification of KSP (kidney specific protein)-positive cells using anti-KSP antibody...
December 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27975097/an-injectable-collagen-poly-%C3%AE-glutamic-acid-hydrogel-as-a-scaffold-of-stem-cells-and-%C3%AE-lipoic-acid-for-enhanced-protection-against-renal-dysfunction
#11
Sun-Hee Cho, Jung-Ran Noh, Mi Young Cho, Min-Jeong Go, Yong-Hoon Kim, Eun Sung Kang, Yong Ho Kim, Chul-Ho Lee, Yong Taik Lim
Mesenchymal stem cells (MSCs) can ameliorate renal injury and accelerate repair of acute kidney injury. Herein, we developed a collagen/poly(γ-glutamic acid) (γ-PGA) hydrogel as an injectable scaffold for the delivery of mouse MSCs (mMSCs) and anti-oxidant drugs into injured sites. By the introduction of γ-PGA into conventional collagen, the viscosity of collagen was reduced at ambient temperature for easy handling, while the elastic and viscous moduli of collagen were increased and a new porous structure was generated near body temperature...
December 15, 2016: Biomaterials Science
https://www.readbyqxmd.com/read/27943100/k-ras-h-ras-n-ras-and-b-raf-mutation-and-expression-analysis-in-wilms-tumors-association-with-tumor-growth
#12
Efterpi Dalpa, Victor Gourvas, Nikolaos Soulitzis, Demetrios A Spandidos
Nephroblastoma (Wilms tumor) is a kidney neoplasia, predominately occurring at very young age, resulting from the malignant transformation of renal stem cells. The Ras proto-oncogenes and B-Raf are members of an intracellular cascade pathway, which regulates cell growth and differentiation, and ultimately cancer development. Our objective was to determine the mutation rate and to measure the mRNA levels of the three Ras genes and of B-Raf in formalin-fixed paraffin-embedded tissue samples from 32 patients with nephroblastoma and 10 controls...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27933089/a-rare-inherited-15q11-2-q13-1-interstitial-duplication-with-maternal-somatic-mosaicism-renal-carcinoma-and-autism
#13
Nora Urraca, Brian Potter, Rachel Hundley, Eniko K Pivnick, Kathryn McVicar, Ronald L Thibert, Christopher Ledbetter, Reed Chamberlain, Leticia Miravalle, Carissa L Sirois, Stormy Chamberlain, Lawrence T Reiter
Chromosome 15q11-q13.1 duplication is a common copy number variant associated with autism spectrum disorder (ASD). Most cases are de novo, maternal in origin and fully penetrant for ASD. Here, we describe a unique family with an interstitial 15q11.2-q13.1 maternal duplication and the presence of somatic mosaicism in the mother. She is typically functioning, but formal autism testing showed mild ASD. She had several congenital anomalies, and she is the first 15q Duplication case reported in the literature to develop unilateral renal carcinoma...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27932152/successful-second-allogeneic-stem-cell-transplantation-from-a-sibling-donor-for-relapse-of-myelodysplastic-syndrome-in-a-recipient-of-a-renal-transplant-from-his-mother-case-report
#14
M Ikeda, N Tsukada, H Chikai, M Tasaki, K Saito, Y Nakagawa, K Takahashi, K Suzuki
There have been few reports on allogeneic stem cell transplantation in patients who have previously undergone solid organ transplantation. The clinical course of such patients is not yet well recognized. Therefore, appropriate immunosuppressive prophylaxis for the rejection of a solid organ graft or for graft-versus-host disease has not yet been established. We present the case of a successful allogeneic stem cell transplantation in a patient who relapsed after a first allogeneic stem cell transplantation for myelodysplastic syndrome and who had previously undergone renal transplantation...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27928463/renal-progenitors-roles-in-kidney-disease-and-regeneration
#15
REVIEW
Brooke E Chambers, Rebecca A Wingert
Kidney disease is a devastating condition that affects millions of people worldwide, and its prevalence is predicted to significantly increase. The kidney is a complex organ encompassing many diverse cell types organized in a elaborate tissue architecture, making regeneration a challenging feat. In recent years, there has been a surge in the field of stem cell research to develop regenerative therapies for various organ systems. Here, we review some recent progressions in characterizing the role of renal progenitors in development, regeneration, and kidney disease in mammals...
November 26, 2016: World Journal of Stem Cells
https://www.readbyqxmd.com/read/27904699/generation-of-induced-pluripotent-stem-cells-with-high-efficiency-from-human-embryonic-renal-cortical-cells
#16
Ling Yao, Ruifang Chen, Pu Wang, Qi Zhang, Hailiang Tang, Huaping Sun
Reprogramming of somatic cells into induced pluripotent stem cells (iPSCs) emerges as a prospective therapeutic angle in regenerative medicine and a tool for drug screening. Although increasing numbers of iPSCs from different sources have been generated, there has been limited progress in yield of iPSC. Here, we show that four Yamanaka factors Oct4, Sox2, Klf4 and c-Myc can convert human embryonic renal cortical cells (hERCCs) to pluripotent stem cells with a roughly 40-fold higher reprogramming efficiency compared with that of adult human dermal fibroblasts...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903222/sustained-elabela-gene-therapy-in-high-salt-induced-hypertensive-rats
#17
Claire A Schreiber, Sara J Holditch, Alex Generous, Yasuhiro Ikeda
BACKGROUND: Elabela (ELA) is a recently identified apelin receptor agonist essential for cardiac development, but its biology and therapeutic potential are unclear. In humans ELA transcripts are detected in embryonic stem cells, induced pluripotent stem cells, kidney, heart and blood vessels. ELA through the apelin receptor promotes angiogenesis in vitro, relaxes murine aortic blood vessels and attenuates high blood pressure in vivo. The apelin receptor when bound to its original ligand, apelin, exerts peripheral vasodilatory and positive inotropic effects, conferring cardioprotection in vivo...
November 21, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27896234/frequency-and-associated-factors-of-amphotericin-b-nephrotoxicity-in-hospitalized-patients-in-hematology-oncology-wards-in-the-southwest-of-iran
#18
Iman Karimzadeh, Marziyeh Heydari, Mani Ramzi, Mohammad Mahdi Sagheb
BACKGROUND: Nephrotoxicity is the most clinically significant adverse reaction of amphotericin B. Different aspects of amphotericin B (AmB) nephrotoxicity have not been studied well in our population. OBJECTIVES: The purpose of this study was to assess the frequency, time onset, and possible associated factors of AmB nephrotoxicity in hospitalized patients in hematology-oncology wards in the southwest of Iran. PATIENTS AND METHODS: A cross-sectional, observational study was performed over a period of 9 months at 2 hematology-oncology and 1 hematopoietic stem cell transplantation wards at Namazi Hospital...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27878248/immunomodulatory-effects-of-ox40ig-gene-modified-adipose-tissue-derived-mesenchymal-stem-cells-on-rat-kidney-transplantation
#19
Tao Liu, Yue Zhang, Zhongyang Shen, Xunfeng Zou, Xiaobo Chen, Li Chen, Yuliang Wang
Recent studies have suggested that adipose tissue-derived mesenchymal stem cell (ADSC) therapy and OX40 costimulation blockade are two immunomodulatory strategies used to suppress the immune response to alloantigens. However, relatively little has been reported regarding the immunomodulatory potential of the abilityof these two strategies to synergize. Thus, in the present study, we aimed to investigate OX40-Ig fusion protein (OX40Ig) expression in ADSCs and to validate their more potent immunosuppressive activity in preventing renal allograft rejection...
January 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27871857/bmi-1-plays-a-critical-role-in-the-protection-from-acute-tubular-necrosis-by-mobilizing-renal-stem-progenitor-cells
#20
Xianhui Lv, Zhenzhen Yu, Chunfeng Xie, Xiuliang Dai, Qing Li, Dengshun Miao, Jianliang Jin
The regeneration of injured tubular cell occurs primarily from intrinsic renal stem/progenitor cells (RSCs) labeled with CD24 and CD133 after acute tubular necrosis (ATN). Bmi-1 plays a crucial role in regulating self-renewal, differentiation and aging of multiple adult stem cells and progenitor cells. Bmi-1 was rapidly elevated in the induction of adult kidney regeneration by renal injury. To determine whether Bmi-1 maintained mobilization of RSCs in the protection from ATN, glycerol-rhabdomyolysis-induced ATN were performed in wild type (WT) and Bmi-1-deficient (Bmi-1(-/-)) mice...
January 22, 2017: Biochemical and Biophysical Research Communications
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