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https://www.readbyqxmd.com/read/29444177/kidney-differentiated-cells-derived-from-lowe-syndrome-patient-s-ipscs-show-ciliogenesis-defects-and-six2-retention-at-the-golgi-complex
#1
Wen-Chieh Hsieh, Swetha Ramadesikan, Donna Fekete, Ruben Claudio Aguilar
Lowe syndrome is an X-linked condition characterized by congenital cataracts, neurological abnormalities and kidney malfunction. This lethal disease is caused by mutations in the OCRL1 gene, which encodes for the phosphatidylinositol 5-phosphatase Ocrl1. While in the past decade we witnessed substantial progress in the identification and characterization of LS patient cellular phenotypes, many of these studies have been performed in knocked-down cell lines or patient's cells from accessible cell types such as skin fibroblasts, and not from the organs affected...
2018: PloS One
https://www.readbyqxmd.com/read/29442894/graphene-oxide-incorporated-plga-nanofibrous-scaffold-for-solid-phase-gene-delivery-into-mesenchymal-stem-cells
#2
Zhiying Wang, He Shen, Saijie Song, Liming Zhang, Wei Chen, Jianwu Dai, Zhijun Zhang
Delivery of functional genes into stem cells shows great application prospect in DNA-based tissue engineering. However, comparing with epithelial cells and cancer cells, stem cells usually exhibit low gene transfection efficiency. To enhance the transfection efficiency, non-viral gene delivery in combination with biomaterial scaffolds, has raised increasing interests from researchers in tissue engineering. Nanofibers fabricated by electrospinning technique mimicking extracellular matrix (ECM) are widely used in tissue engineering applications...
April 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29432216/glomerulogenesis-and-the-role-of-endothelium
#3
Michio Nagata
PURPOSE OF REVIEW: Earlier works of the glomerulogenesis described morphological steps and protein expression during in-vivo and in-vitro kidney development. Recent technologies using cell-specific or conditional knock-out mice for several factors provide important knowledge about cross-talk signaling among resident cells as local events. Based on the recent advancement, this review revisits comprehensive morphological development of the glomerulus. RECENT FINDINGS: Interactions of presumptive podocyte vascular endothelial growth factor with vascular endothelial growth factor-2 on angioblasts initiate glomerular vascularization...
February 9, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29429961/generation-of-functioning-nephrons-by-implanting-human-pluripotent-stem-cell-derived-kidney-progenitors
#4
Ioannis Bantounas, Parisa Ranjzad, Faris Tengku, Edina Silajdžić, Duncan Forster, Marie-Claude Asselin, Philip Lewis, Rachel Lennon, Antonius Plagge, Qi Wang, Adrian S Woolf, Susan J Kimber
Human pluripotent stem cells (hPSCs) hold great promise for understanding kidney development and disease. We reproducibly differentiated three genetically distinct wild-type hPSC lines to kidney precursors that underwent rudimentary morphogenesis in vitro. They expressed nephron and collecting duct lineage marker genes, several of which are mutated in human kidney disease. Lentiviral-transduced hPSCs expressing reporter genes differentiated similarly to controls in vitro. Kidney progenitors were subcutaneously implanted into immunodeficient mice...
February 7, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29426405/bta-mir-2411-attenuates-bovine-viral-diarrhea-virus-replication-via-directly-suppressing-pelota-protein-in-madin-darby-bovine-kidney-cells
#5
Huijun Shi, Qiang Fu, Shengnan Li, Xinyan Hu, Ruixin Tian, Gang Yao, Hongqiong Zhao, Jinquan Wang
MicroRNAs (miRNAs) are endogenous ∼22 nt noncoding RNAs that control the translation initiation and stability of target genes in a sequence-specific manner and, thus, play important regulatory roles in animals and plants. Homologs of Dom34, called Pelota or PELO, are broadly conserved in eukaryotes and archaea. Biochemical and genetic studies indicate that eukaryotic Dom34/Pelota plays an important role in cell division, differentiation of germline stem cells, and stem cell self-renewal by controlling the expression of specific genes at the translational level...
February 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29425466/mesenchymal-stem-cells-pretreated-with-melatonin-ameliorate-kidney-functions-in-a-rat-model-of-diabetic-nephropathy
#6
Laila A Rashed, Samah Elattar, Nashwa Eltablawy, Hend Ashour, Lamiaa Mohamed, Yasmin El-Esawy
The aim of this study was to investigate the effect of Melatonin (MT) pretreated mesenchymal stem cells (MSCs) regenerative therapy, as a new therapeutic target in modifying underlying diabetic nephropathy (DN) pathogenesis in a rat model, and its possible effect on autophagy protein Beclin-1. Forty adult male Wistar albino rats divided into four groups: control, DN, MSCs treated (MSCs) and In-vitro Melatonin (5µM for 24 hours) pre-incubated MSCs treated group (MSCs+MT). MSCs treatment significantly improved the renal functions with amelioration of the measured underlying DN pathogenesis and elevation of Beclin-1 protein levels compared to DN group...
February 9, 2018: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29423196/renal-recovery-after-severe-acute-kidney-injury-in-critically-ill-myeloma-patients-a-retrospective-study
#7
Adrien Joseph, Stephanie Harel, Marion Venot, Sandrine Valade, Eric Mariotte, Claire Pichereau, Akli Chermak, Lara Zafrani, Elie Azoulay, Emmanuel Canet
Background: Despite substantial improvements in the management of multiple myeloma, renal failure remains an important burden that tremendously impairs prognosis. The purpose of this study was to describe the characteristics and to establish prognostic factors of renal recovery in myeloma patients admitted to the intensive care unit (ICU) for acute kidney injury (AKI) Stage 3 treated with renal replacement therapy (RRT). Methods: A retrospective single-centre cohort study was performed, including consecutive myeloma patients admitted to one medical ICU between 1 January 2007 and 1 September 2015 and treated with RRT...
February 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29422997/hucmsc-exosomes-delivered-14-3-3%C3%AE-enhanced-autophagy-via-modulation-of-atg16l-in-preventing-cisplatin-induced-acute-kidney-injury
#8
Haoyuan Jia, Wanzhu Liu, Bin Zhang, Juanjuan Wang, Peipei Wu, Nitin Tandra, Zhaofeng Liang, Cheng Ji, Lei Yin, Xinyuan Hu, Yongmin Yan, Fei Mao, Xu Zhang, Jing Yu, Wenrong Xu, Hui Qian
The clinical application of cisplatin is restricted by its side effects of nephrotoxicity. Human umbilical cord mesenchymal stem cell-derived exosomes (hucMSC-ex) have an important effect in tissue injury repair. Our previous work discovered that pretreatment with human umbilical cord mesenchymal stem cell-derived exosomes (hucMSC-ex) alleviated cisplatin-induced acute kidney injury (AKI) by activating autophagy both in vitro and in vivo. In this study, we further explored the mechanisms of hucMSC-ex in autophagy for preventing cisplatin-induced nephrotoxicity...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29420708/sex-differences-in-maturation-of-human-embryonic-stem-cell-derived-beta-cells-in-mice
#9
Nelly Saber, Jennifer E Bruin, Shannon O'Dwyer, Hellen Schuster, Alireza Rezania, Timothy J Kieffer
Pancreatic progenitors derived from human embryonic stem cells (hESCs) are now in clinical trials for insulin replacement in patients with type 1 diabetes. Animal studies indicate the cells can mature into a mixed population of pancreatic endocrine cells including glucose-responsive beta cells several months after implant, but it remains unclear how conditions in the recipient may influence the maturation and ultimately the function of these cells. Here, we investigated the effects of the host sex and pregnancy on the maturation of human Stage 4 (S4) pancreatic progenitor cells and more mature Stage 7 (S7) pancreatic endocrine cells implanted under the kidney capsule of immunodeficient SCID-Beige mice...
February 5, 2018: Endocrinology
https://www.readbyqxmd.com/read/29410779/exosomes-as-secondary-inductive-signals-involved-in-kidney-organogenesis
#10
Mirja Krause, Aleksandra Rak-Raszewska, Florence Naillat, Ulla Saarela, Christina Schmidt, Veli-Pekka Ronkainen, Geneviève Bart, Seppo Ylä-Herttuala, Seppo J Vainio
The subfraction of extracellular vesicles, called exosomes, transfers biological molecular information not only between cells but also between tissues and organs as nanolevel signals. Owing to their unique properties such that they contain several RNA species and proteins implicated in kidney development, exosomes are putative candidates to serve as developmental programming units in embryonic induction and tissue interactions. We used the mammalian metanephric kidney and its nephron-forming mesenchyme containing the nephron progenitor/stem cells as a model to investigate if secreted exosomes could serve as a novel type of inductive signal in a process defined as embryonic induction that controls organogenesis...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29409743/tolerance-induction-in-hla-disparate-living-donor-kidney-transplantation-by-facilitating-cell-enriched-donor-stem-cell-infusion-the-importance-of-durable-chimerism
#11
REVIEW
Joseph R Leventhal, Suzanne T Ildstad
Successful solid organ transplantation currently requires the life-long use of medications to suppress the immune system in order to prevent transplant rejection. Drug-based immunosuppression significantly increases the risk of infection and cancer, as well as being very costly. Development of new therapies to minimize or eliminate entirely the need for anti-rejection drugs is of great interest to the transplant community. Therapeutic cell transfer for the control of the human immune system represents a compelling approach to reduce or eliminate the need for anti-rejection drugs...
February 2, 2018: Human Immunology
https://www.readbyqxmd.com/read/29408689/updated-follow-up-of-a-tolerance-protocol-in-hla-identical-renal-transplant-pairs-given-donor-hematopoietic-stem-cells
#12
REVIEW
Joseph R Leventhal, Joshua Miller, James M Mathew, Sunil Kurian, Anat R Tambur, John Friedewald, Jane Charrette, Michael M Abecassis
Kidney transplant recipients given donor hematopoietic stem cells from their HLA-identical living related donors have now been followed between 5 and 9 ½ years post-operatively. Recipients who were designated as tolerant (Tol) have remained so since the last report when the 5 year (biopsy associated) milestone was reached. There has been 1 mortality of a Tol patient, unrelated to the study protocol, while 5 (of 15) have remained Tol between 7 & 8 ½ years post-operatively. There has been continuing elevated T-regulatory (CD4+CD25HighCD127-FOXP3+) cells in PBMC previously reported on...
January 30, 2018: Human Immunology
https://www.readbyqxmd.com/read/29395854/total-body-irradiation-using-helical-tomotherapy%C3%A2-treatment-technique-dosimetric-results-and-initial-clinical-experience
#13
V Sarradin, L Simon, A Huynh, J Gilhodes, T Filleron, F Izar
PURPOSE: Helical TomoTherapy® allows precise and homogeneous tumour coverage and excellent sparing of organs at risk. We present here our treatment technique, dosimetric results, and our first clinical data for patients receiving total body irradiation as part of the conditioning regimen before hematopoietic stem cell transplantation. PATIENTS AND METHODS: The cohort consisted of 11 patients who were treated in our institution between August 2014 and January 2016...
January 25, 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29393405/aurora-a-overexpression-is-linked-to-development-of-aggressive-teratomas-derived-from-humans-ips-cells
#14
Seiga Ohmine, Jeffrey L Salisbury, James Ingle, Giuseppe Pettinato, Candace L Haddox, Tufia Haddad, Evanthia Galanis, Yasuhiro Ikeda, Antonino B D'assoro
The discovery of human induced pluripotent stem cells (hiPSCs) is a promising advancement in the field of regenerative and personalized medicine. Expression of SOX2, KLF4, OCT4 and MYC transcription factors induces the nuclear reprogramming of somatic cells into hiPSCs that share striking similarities with human embryonic stem cells (hESCs). However, several studies have demonstrated that hESCs and hiPSCs could lead to teratoma formation in vivo, thus limiting their current clinical applications. Aberrant cell cycle regulation of hESCs is linked to centrosome amplification, which may account, for their enhanced chromosomal instability (CIN), and thus increase their tumorigenicity...
January 31, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29393144/acute-kidney-injury-in-cancer-patients
#15
Maurizio Gallieni, Laura Cosmai, Camillo Porta
BACKGROUND: Renal complications are a relevant clinical issue in patients with cancer; conversely, cancer in patients affected by kidney diseases is a growing problem mainly due to the aging of the general population. Onco-Nephrology is a novel subspecialty addressing these issues. SUMMARY: Acute kidney injury (AKI) is an important cause of morbidity and mortality in cancer patients, and recognizes a number of different causes, which can impact, directly and indirectly, on kidney function...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29386153/effect-of-the-serum-of-rats-treated-with-suo-quan-pill-on-embryonic-stem-cells
#16
Jing-Jing Xu, Ping Huang, Yun-Ya Xiang, Bo Tan, Qing-He Wu, Ze-Hui Qin, Hong-Ying Cao
Suo Quan pill(SQP), a well-known and classical traditional Chinese medicine compound, consists of three traditional Chinese medicine: Alpinia oxyphylla Miq., Lindera aggregata (Sims) Kosterm., Dioscorea opposite. Its effect was summarized as supplementing kidney-yang and shrinkaging urination. This study evaluated the effects of the serum of rats treated with Suo Quan pill on embryonic stem cells(ES cells). Cell proliferation was detected by MTT assay. Cell cycle and apoptosis of ES cells were evaluated with flow cytometry...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29383160/hmga2-overexpression-predicts-relapse-susceptibility-of-blastemal-wilms-tumor-patients
#17
Lourdes Hontecillas-Prieto, Daniel J García-Domínguez, Rosa García-Mejías, Gema L Ramírez-Villar, Carmen Sáez, Enrique de Álava
Wilms tumor (WT) is an embryonal malignant neoplasm of the kidney that accounts for 6-7% of all childhood cancers. WT seems to derive from multipotent embryonic renal stem cells that have failed to differentiate properly. Since mechanisms underlying WT tumorigenesis remain largely unknown, the aim of this study was to explore the expression of embryonic stem cell (ESC) markers in samples of WT patients after chemotherapy treatment SIOP protocol, as the gene expression patterns of ESC are like those of most cancer cells...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29380564/in-situ-tissue-regeneration-of-renal-tissue-induced-by-collagen-hydrogel-injection
#18
Sang Jin Lee, Hung-Jen Wang, Tae-Hyoung Kim, Jin San Choi, Gauri Kulkarni, John D Jackson, Anthony Atala, James J Yoo
Host stem/progenitor cells can be mobilized and recruited to a target location using biomaterials, and these cells may be used for in situ tissue regeneration. The objective of this study was to investigate whether host biologic resources could be used to regenerate renal tissue in situ. Collagen hydrogel was injected into the kidneys of normal mice, and rat kidneys that had sustained ischemia/reperfusion injury. After injection, the kidneys of both animal models were examined up to 4 weeks for host tissue response...
February 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29370854/dual-function-of-active-constituents-from-bark-of-ficus-racemosa-l-in-wound-healing
#19
Nisansala Swarnamali Bopage, G M Kamal Bandara Gunaherath, Kithsiri Hector Jayawardena, Sushila Chandrani Wijeyaratne, Ajita Mahendra Abeysekera, Seneviratne Somaratne
BACKGROUND: Different parts including the latex of Ficus racemosa L. has been used as a medicine for wound healing in the Ayurveda and in the indigenous system of medicine in Sri Lanka. This plant has been evaluated for its wound healing potential using animal models. The aim of this study was to obtain an insight into the wound healing process and identify the potential wound healing active substance/s present in F. racemosa L. bark using scratch wound assay (SWA) as the in-vitro assay method...
January 25, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29370069/tauroursodeoxycholic-acid-protects-against-the-effects-of-p-cresol-induced-reactive-oxygen-species-via-the-expression-of-cellular-prion-protein
#20
Seung Pil Yun, Yeo Min Yoon, Jun Hee Lee, Minjee Kook, Yong-Seok Han, Seo Kyung Jung, Sang Hun Lee
Mesenchymal stem cells (MSCs) could be a promising solution in the treatment of various diseases including chronic kidney disease (CKD). However, endoplasmic reticulum (ER) stress induced by ischemia in the area of application limits the integration and survival of MSCs in patients. In our study, we generated ER stress-induced conditions in MSCs using P-cresol. As P-cresol is a toxic compound accumulated in the body of CKD patients and induces apoptosis and inflammation through reactive oxygen species (ROS), we observed ER stress-induced MSC apoptosis activated by oxidative stress, which in turn resulted from ROS generation...
January 25, 2018: International Journal of Molecular Sciences
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