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https://www.readbyqxmd.com/read/28213859/recurrence-in-localized-renal-cell-carcinoma-a-systematic-review-of-contemporary-data
#1
REVIEW
Jacqueline M Speed, Quoc-Dien Trinh, Toni K Choueiri, Maxine Sun
PURPOSE OF REVIEW: Patients with localized renal cell carcinoma (RCC) are at risk of recurrence. The purpose of this review was to characterize the literature on recurrence rates and risk factors after diagnosis of localized RCC. RECENT FINDINGS: Our search revealed that existing data examining the prevalence of recurrence rates predominantly originates from cohorts of patients diagnosed and treated in the 1980s to 1990s, and may therefore not be as useful for counseling for current patients today...
February 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28203342/optimizing-current-and-emerging-therapies-in-multiple-myeloma-a-guide-for-the-hematologist
#2
REVIEW
Shahzad Raza, Rachael A Safyan, Evan Rosenbaum, Alex S Bowman, Suzanne Lentzsch
Multiple myeloma (MM) is the second most common hematologic malignancy. The diagnosis of MM requires ⩾10% clonal plasma cells in the bone marrow or biopsy-proven plasmacytoma, plus evidence of end-organ damage (hypercalcemia, renal failure, anemia, and lytic bone lesions). The definition of MM has recently been expanded to include a ⩾60% clonal plasma cell burden in the bone marrow, serum involved/uninvolved light chain ratio of ⩾100, or more than one focal lesion on magnetic resonance imaging ⩾5 mm in the absence of end-organ damage...
February 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28203018/-high-glucose-reduced-the-repair-function-of-kidney-stem-cells-conditional-medium-to-the-hypoxia-injured-renal-tubular-epithelium-cells
#3
G Yang, Q L Cheng, C L Li, Y L Jia, W Yue, X T Pei, Y Liu, J H Zhao, J DU, Q G Ao
OBJECTIVE: To evaluate the impacts of high glucose on the repair function of kidney stem cells (KSC) conditional medium to the hypoxia-injured renal tubular epithelium cells (RTEC). METHODS: KSC were isolated from the renal papilla in 4-week-Sprague-Dawley rats. The KSC were pretreated in media with high glucose (30 mmol/L) or with normal glucose (5.6 mmol/L), respectively. The supernatants of the pre-treated KSC were collected as the conditional media. The hypoxia/reoxygenation (H/R) model of rat RTEC was established using the NRK-52E cell line...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28194187/effect-of-hypoxia-on-the-differentiation-and-the-self-renewal-of-metanephrogenic-mesenchymal-stem-cells
#4
Shaopeng Liu, Nana Song, Jianqiang He, Xiaofang Yu, Jia Guo, Xiaoyan Jiao, Xiaoqiang Ding, Jie Teng
Hypoxia is an important and influential factor in development. The embryonic kidney is exposed to a hypoxic environment throughout its development. The Wnt/β-catenin pathway plays vital roles in the differentiation and self-renewal of metanephrogenic mesenchymal stem cells (MMSCs) from which the kidney is derived. Thus, we hypothesized that hypoxia can regulate the differentiation and pluripotency of MMSCs through the Wnt/β-catenin pathway. To test this hypothesis, MMSCs from rats at embryonic day 18.5 were cultured in normoxic (21% O2) and hypoxic (1% O2) conditions...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28191781/direct-isolation-and-characterization-of-human-nephron-progenitors
#5
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/28186707/mesenchymal-stromal-cell-therapy-for-chronic-lung-allograft-dysfunction-results-of-a-first-in-man-study
#6
Daniel C Chambers, Debra Enever, Sharon Lawrence, Marian J Sturm, Richard Herrmann, Stephanie Yerkovich, Michael Musk, Peter M A Hopkins
Chronic lung transplant rejection (termed chronic lung allograft dysfunction [CLAD]) is the main impediment to long-term survival after lung transplantation. Bone marrow-derived mesenchymal stromal cells (MSCs) represent an attractive cell therapy in inflammatory diseases, including organ rejection, given their relative immune privilege and immunosuppressive and tolerogenic properties. Preclinical studies in models of obliterative bronchiolitis and human trials in graft versus host disease and renal transplantation suggest potential efficacy in CLAD...
February 1, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28185218/clinical-pharmacokinetics-and-pharmacodynamics-of-pazopanib-towards-optimized-dosing
#7
REVIEW
Remy B Verheijen, Jos H Beijnen, Jan H M Schellens, Alwin D R Huitema, Neeltje Steeghs
Pazopanib is an inhibitor of the vascular endothelial growth factor receptor, platelet-derived growth factor receptor, fibroblast growth factor receptor and stem cell receptor c-Kit, and has been approved for the treatment of renal cell carcinoma and soft tissue sarcoma. The pharmacokinetics of pazopanib are complex and are characterized by pH-dependent solubility, large interpatient variability and low, non-linear and time-dependent bioavailability. Exposure to pazopanib is increased by both food and coadministration of ketoconazole, but drastically reduced by proton pump inhibitors...
February 10, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28173878/the-effects-of-glomerular-and-tubular-renal-progenitors-and-derived-extracellular-vesicles-on-recovery-from-acute-kidney-injury
#8
Andrea Ranghino, Stefania Bruno, Benedetta Bussolati, Aldo Moggio, Veronica Dimuccio, Marta Tapparo, Luigi Biancone, Paolo Gontero, Bruno Frea, Giovanni Camussi
BACKGROUND: Mesenchymal stromal cells (MSCs) and renal stem/progenitors improve the recovery of acute kidney injury (AKI) mainly through the release of paracrine mediators including the extracellular vesicles (EVs). Several studies have reported the existence of a resident population of MSCs within the glomeruli (Gl-MSCs). However, their contribution towards kidney repair still remains to be elucidated. The aim of the present study was to evaluate whether Gl-MSCs and Gl-MSC-EVs promote the recovery of AKI induced by ischemia-reperfusion injury (IRI) in SCID mice...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28164637/clinical-implications-of-plasma-n-acetyl-seryl-aspartyl-lysyl-proline-level-in-stable-kidney-transplant-recipients
#9
Yosuke Suzuki, Fumihiko Katagiri, Fuminori Sato, Kanako Fujioka, Yukie Sato, Takashi Fujioka, Yuhki Sato, Hiromitsu Mimata, Hiroki Itoh
BACKGROUND: N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is a natural inhibitor of pluripotent hematopoietic stem cell proliferation and is normally found in human plasma. Because AcSDKP is partially eliminated in urine, accumulation of AcSDKP due to chronic renal failure may cause anemia. However, the status of plasma AcSDKP level in stable kidney transplant recipients is unknown although some recipients develop anemia after kidney transplantation. In this study, we investigated the relationship between plasma AcSDKP-like immunoreactive substance (IS) level and clinical characteristics associated with renal anemia in stable kidney transplant recipients...
July 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28162930/a-randomized-study-of-autologous-bone-marrow-derived-stem-cells-in-pediatric-cardiomyopathy
#10
E Sian Pincott, Deborah Ridout, Margaret Brocklesby, Angus McEwan, Vivek Muthurangu, Michael Burch
BACKGROUND: Bone marrow mononuclear cell fraction has been used as therapy for dilated cardiomyopathy in adults. Although case series are reported, there are no randomized controlled studies in children. METHODS: We designed a randomized, crossover, controlled pilot study to determine safety and feasibility of intracoronary stem cell therapy in children. The primary safety end-point was freedom from death and transplantation or any complication that could be considered related to bone marrow injection or anesthesia (e...
January 5, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28154088/a-concise-revised-myeloma-comorbidity-index-as-a-valid-prognostic-instrument-in-a-large-cohort-of-801-multiple-myeloma-patients
#11
Monika Engelhardt, Anne-Saskia Domm, Sandra Maria Dold, Gabriele Ihorst, Heike Reinhardt, Alexander Zober, Stefanie Hieke, Corine Baayen, Stefan Jürgen Müller, Hermann Einsele, Pieter Sonneveld, Ola Landgren, Martin Schumacher, Ralph Wäsch
With growing numbers of elderly multiple myeloma patients, reliable tools to assess their vulnerability are required. The objective of this analysis was to develop and validate an easy to use myeloma-risk-score (revised Myeloma Comorbidity Index) that allows risk prediction of OS and PFS differences in a large patient cohort. We conducted a geriatric assessment in 801 consecutive myeloma patients, including comorbidity risks obtained at diagnosis. The cohort was examined within a training and validation set...
February 2, 2017: Haematologica
https://www.readbyqxmd.com/read/28144821/nebulized-liposomal-amphotericin-b-for-treatment-of-pulmonary-infection-caused-by-hormographiella-aspergillata-case-report-and-literature-review
#12
Cendrine Godet, Estelle Cateau, Blandine Rammaert, Marine Grosset, Gwenaël Le Moal, Guillaume Béraud, Jean Philippe Martellosio, Xavier Iriart, Jacques Cadranel, France Roblot
Invasive fungal infection is a serious complication following allogeneic hematopoietic stem cell transplantation. Pulmonary infection due to Hormographiella aspergillata is an uncommon condition associated with a high mortality rate. The susceptibility of H. aspergillata to available antifungal agents is not well established. We report for the first time a case of H. aspergillata lung infection that responded poorly to conventional treatment with liposomal amphotericin B (LAmB; 3 mg kg(-1) of body weight per day) with renal damage at higher posology (5 mg kg(-1) of body weight per day), but improved rapidly after addition of nebulized LAmB to intravenous LAmB (3 mg kg(-1) of body weight per day)...
January 31, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28135776/long-term-renal-outcome-after-allogeneic-haemopoietic-stem-cell-transplant-a-comprehensive-analysis-of-risk-factors-in-an-asian-patient-population
#13
Wei Zhou, Rehena Sultana, Colin Diong, Yeow-Tee Goh, Sathish Gopalakrishnan, Aloysius Ho, William Hwang, Liang-Piu Koh, Mickey Koh, Yvonne Loh, Patrick Tan, Yeh-Ching Linn
Allogeneic haemopoietic stem cell transplantation (allo-HSCT) poses a significant challenge to renal function due to multiple drug- and complication-related renal toxicity. In this single center series of 216 adult Asian patients with a long and complete follow up, 41 developed chronic kidney disease (CKD) giving a cumulative incidence of 19.0% at 25 years (median follow up duration 7.84 years, range 2.0 - 27.7 years), but only 2 of the 41 patients reaching stage 4 CKD and another 2 requiring dialysis. In contrast, acute kidney injury occurred in most patients, where glomerular filtration rate (GFR) suffered a mean fall of 50ml/min/1...
January 30, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28129785/human-umbilical-cord-derived-mesenchymal-stromal-cells-protect-against-premature-renal-senescence-resulting-from-oxidative-stress-in-rats-with-acute-kidney-injury
#14
Camila Eleuterio Rodrigues, José Manuel Condor Capcha, Ana Carolina de Bragança, Talita Rojas Sanches, Priscila Queiroz Gouveia, Patrícia Aparecida Ferreira de Oliveira, Denise Maria Avancini Costa Malheiros, Rildo Aparecido Volpini, Mirela Aparecida Rodrigues Santinho, Bárbara Amélia Aparecida Santana, Rodrigo do Tocantins Calado, Irene de Lourdes Noronha, Lúcia Andrade
BACKGROUND: Mesenchymal stromal cells (MSCs) represent an option for the treatment of acute kidney injury (AKI). It is known that young stem cells are better than are aged stem cells at reducing the incidence of the senescent phenotype in the kidneys. The objective of this study was to determine whether AKI leads to premature, stress-induced senescence, as well as whether human umbilical cord-derived MSCs (huMSCs) can prevent ischaemia/reperfusion injury (IRI)-induced renal senescence in rats...
January 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28129605/mesenchymal-stem-cells-upregulate-treg-cells-via-shla-g-in-sle-patients
#15
Chen Chen, Jun Liang, Genhong Yao, Haifeng Chen, Bingyu Shi, Zhuoya Zhang, Cheng Zhao, Huayong Zhang, Lingyun Sun
BACKGROUND: Soluble human leukocyte antigen-G (sHLA-G) is a non-classical HLA class I molecule, exhibiting strong immunosuppressive properties by inducing the differentiation of T regulatory cells (Treg). Mesenchymal stem cells (MSCs) transplantation alleviates disease progression in systemic lupus erythematosus (SLE) patients. However, the underlying mechanisms are largely unknown. OBJECTIVES: To explore whether sHLA-G is involved in upregulating effects of MSCs on Treg, which contributes to therapeutic effects of MSCs transplantation in SLE...
January 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28121626/differential-expression-of-cd44-and-cd24-markers-discriminates-the-epitheliod-from-the-fibroblastoid-subset-in-a-sarcomatoid-renal-carcinoma-cell-line-evidence-suggesting-the-existence-of-cancer-stem-cells-in-both-subsets-as-studied-with-sorted-cells
#16
Chin-Hsuan Hsieh, Shih-Chieh Hsiung, Chi-Tai Yeh, Chih-Feng Yen, Yah-Huei Wu Chou, Wei-Yi Lei, See-Tong Pang, Cheng-Keng Chuang, Shuen-Kuei Liao
Epithelioid and fibroblastoid subsets coexist in the human sarcomatoid renal cell carcinoma (sRCC) cell line, RCC52, according to previous clonal studies. Herein, using monoclonal antibodies to CD44 and CD24 markers, we identified and isolated these two populations, and showed that CD44bright/CD24dim and CD44bright/CD24bright phenotypes correspond to epithelioid and fibroblastoid subsets, respectively. Both sorted subsets displayed different levels of tumorigenicity in xenotransplantation, indicating that each harbored its own cancer stem cells (CSCs)...
January 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28117405/biological-membrane-packed-mesenchymal-stem-cells-treat-acute-kidney-disease-by-ameliorating-mitochondrial-related-apoptosis
#17
Xiaodong Geng, Quan Hong, Weiwei Wang, Wei Zheng, Ou Li, Guangyan Cai, Xiangmei Chen, Di Wu
The mortality of rhabdomyolysis-induced AKI remains high because no effective therapy exists. We investigated a new therapeutic method using MSCs. The aim of this study was to investigate the therapeutic potential and anti-apoptotic mechanisms of action of MSCs in the treatment of AKI induced by glycerol in vivo and in vitro. We used Duragen as a biological membrane to pack MSCs on the glycerol-injured renal tissue in vivo. The anti-apoptotic mechanism was investigated. In vitro, HK-2 cells were incubated with ferrous myoglobin and MSCs-conditioned medium, followed by cell proliferation and apoptosis assays...
January 24, 2017: Scientific Reports
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
#18
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
https://www.readbyqxmd.com/read/28112331/-detection-of-parainfluenza-virus-in-immunocompromised-and-immunocompetent-patients-in-a-tertiary-hospital-in-sao-paulo-brazil
#19
Sheila N Parmezan, Clarice Camargo, Aripuanã Watanabe, Patricio Godoy-Martínez, Celso Granato, Nancy Bellei
Parainfluenza virus infections (PIV) were evaluated in patients with mild and severe infections through real time PCR. One thousand and sixty-seven samples were collected from subjects as follows: 233 adult renal transplanted outpatients, 129 children with congenital heart disease, 381 with adult hematopoietic stem cell patients and 324 hospitalized patients suspected of influenza A (H1N1) pdm09 infection. PIV was detected in 74 (6.9%) samples. VPI-3 was the most frequent (60.8%) and a higher risk was observed for older adults (p = 0...
October 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28111379/knocking-down-tcf8-inhibits-high-glucose-and-angiotensin-ii-induced-epithelial-to-mesenchymal-transition-in-podocytes
#20
Changhuan Bai, Shumei Liang, Yunshan Wang, Bo Jiao
Epithelial to mesenchymal transition (EMT) is a physiological phenomenon in mammalian embryogenesis by which epithelial cells become mesenchymal stem cells. Studies have indicated that an inappropriate EMT plays a key role in a variety of pathogenic processes such as embryonic development and tumor metastasis. Moreover, recent studies have indicated EMT also plays an important role in renal fibrosis. In the current study, glucose and angiotensin II promoted EMT in podocytes as well as changes in the cellular morphology of podocytes...
January 22, 2017: Bioscience Trends
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