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https://www.readbyqxmd.com/read/28326639/mesenchymal-stem-cells-attenuate-adriamycin-induced-nephropathy-by-diminishing-oxidative-stress-and-inflammation-via-downregulation-of-the-nf-kb
#1
In-Hwan Song, Kyong-Jin Jung, Tae-Jin Lee, Joo-Young Kim, Eon-Gi Sung, Young Chul Bae, Young Hoon Park
AIM: This study aimed to evaluate the molecular mechanism mitigating progress of chronic nephropathy by mesenchymal stem cells. METHODS: Rats were divided into normal control (Normal), ADR + vehicle (CON), and ADR + MSC (MSC) groups. Nephropathy was induced by ADR (4 mg/kg) and MSCs (2 × 10(6) ) were injected. Rats were sacrificed 1 or 6 weeks after ADR injection. NF-kB, MAPKs, inflammation, oxidative stress, profibrotic molecules, and nephrin expression were evaluated...
March 21, 2017: Nephrology
https://www.readbyqxmd.com/read/28323211/metabolic-pathway-of-4-pyridone-3-carboxamide-1%C3%AE-d-ribonucleoside-and-its-effects-on-cellular-energetics
#2
Iwona Pelikant-Malecka, Ewa Kaniewska-Bednarczuk, Sylwia Szrok, Alicja Sielicka, Maciej Śledziński, Czesława Orlewska, Ryszard T Smolenski, Ewa M Słomińska
4-Pirydone-3-carboxamide-1β-D-ribonucleoside (4PYR) is an endogenous nucleoside that could be converted to triphosphates, diphosphates, monophosphates and an analogue of NAD - 4PYRAD. Elevated level of these compounds were observed in chronic renal failure, cancer and active HIV infection. However, little is known about the effect on cell functionality and the metabolic pathways. This study tested effects of 4PYR in different cell types on nucleotide and energy metabolism and clarified enzymes that are involved in conversions of 4PYR...
March 17, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28322169/potential-therapeutic-strategies-of-regenerative-medicine-for-renal-failure
#3
Monica Maribel Mata-Miranda, Raul Jacobo Delgado-Macuil, Marlon Rojas-Lopez, Ricardo Martinez-Flores, Gustavo Jesus Vazquez-Zapien
Kidney diseases are a public health problem worldwide; the mortality rate is between 50 and 80%. Available therapies include replacement function by dialysis or transplant, associated with a high morbidity and mortality; kidney transplantation is limited by the shortage of donor organs, immune rejection and lifelong treatment with immunosuppressive. Likewise, none of these treatments compensates all kidney functions. There is a great concern in developing more effective therapies with the ability to replace the wide range of renal functions, so that, new researches on developing therapeutic strategies have focused on regenerative medicine, science that includes artificial creation of tissues and organs, in order to repair or replace a tissue or organ function...
March 17, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28321822/the-exciting-bench-to-bedside-journey-of-cell-therapies-for-acute-kidney-injury-and-renal-transplantation
#4
REVIEW
Sergio Dellepiane, Davide Medica, Alessandro Domenico Quercia, Vincenzo Cantaluppi
Acute kidney injury (AKI) is characterized by an increasing incidence and poor outcomes in both developed and undeveloped countries. AKI is also acquiring importance in the setting of kidney transplantation (KT): besides all the classical forms of AKI that KT patients may undergo, several transplant-specific injuries can also lead to the loss of graft function. The mechanisms of tissue damage in native and grafted kidneys share several common pathogenic elements. Since appropriate therapeutic treatments are still lacking-probably due to the disease complexity-clinicians are forced to provide only supportive care...
March 21, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28321776/colony-hanging-drop-and-methylcellulose-three-dimensional-hypoxic-growth-optimization-of-renal-cell-carcinoma-cell-lines
#5
Damian Matak, Klaudia K Brodaczewska, Monika Lipiec, Łukasz Szymanski, Cezary Szczylik, Anna M Czarnecka
Renal cell carcinoma (RCC) is the most lethal of the common urologic malignancies, comprising 3% of all human neoplasms, and the incidence of kidney cancer is rising annually. We need new approaches to target tumor cells that are resistant to current therapies and that give rise to recurrence and treatment failure. In this study, we focused on low oxygen tension and three-dimensional (3D) cell culture incorporation to develop a new RCC growth model. We used the hanging drop and colony formation methods, which are common in 3D culture, as well as a unique methylcellulose (MC) method...
March 20, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28318212/multiple-myeloma-diagnosis-and-treatment
#6
COMPARATIVE STUDY
Thomas C Michels, Keith E Petersen
Multiple myeloma accounts for 1.6% of all cancer cases and approximately 10% of hematologic malignancies in the United States. In 2015, an estimated 28,850 new cases of multiple myeloma were diagnosed in the United States, and the disease caused more than 11,000 deaths. Patients older than 65 years account for 85% of those diagnosed with multiple myeloma, and there is a twofold increased incidence in blacks compared with whites. Patients may present with bone pain or with symptoms that are often nonspecific, such as nausea, vomiting, malaise, weakness, recurrent infections, and weight loss...
March 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28298471/bk-polyomavirus-clinical-aspects-immune-regulation-and-emerging-therapies
#7
REVIEW
George R Ambalathingal, Ross S Francis, Mark J Smyth, Corey Smith, Rajiv Khanna
BK polyomavirus (BKV) causes frequent infections during childhood and establishes persistent infections within renal tubular cells and the uroepithelium, with minimal clinical implications. However, reactivation of BKV in immunocompromised individuals following renal or hematopoietic stem cell transplantation may cause serious complications, including BKV-associated nephropathy (BKVAN), ureteric stenosis, or hemorrhagic cystitis. Implementation of more potent immunosuppression and increased posttransplant surveillance has resulted in a higher incidence of BKVAN...
April 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28297566/instructive-role-of-the-microenvironment-in-preventing-renal-fibrosis
#8
Kei Matsumoto, Sandhya Xavier, Jun Chen, Yujiro Kida, Mark Lipphardt, Reina Ikeda, Annie Gevertz, Mario Caviris, Antonis K Hatzopoulos, Ivo Kalajzic, James Dutton, Brian B Ratliff, Hong Zhao, Zbygniew Darzynkiewicz, Stefan Rose-John, Michael S Goligorsky
Accumulation of myofibroblasts is a hallmark of renal fibrosis. A significant proportion of myofibroblasts has been reported to originate via endothelial-mesenchymal transition. We initially hypothesized that exposing myofibroblasts to the extract of endothelial progenitor cells (EPCs) could reverse this transition. Indeed, in vitro treatment of transforming growth factor-β1 (TGF-β1)-activated fibroblasts with EPC extract prevented expression of α-smooth muscle actin (α-SMA); however, it did not enhance expression of endothelial markers...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28295968/nosocomial-bk-polyomavirus-infection-causing-hemorrhagic-cystitis-among-patients-with-hematological-malignancies-after-hematopoietic-stem-cell-transplantation
#9
Jun Kato, Takehiko Mori, Tetsuro Suzuki, Masahiko Ito, Tian-Cheng Li, Masatoshi Sakurai, Yusuke Yamane, Rie Yamazaki, Yuya Koda, Takaaki Toyama, Naoki Hasegwa, Shinichiro Okamoto
BK polyomavirus (BKPyV) is recognized as a pathogen that causes diseases such as hemorrhagic cystitis and nephritis after allogeneic hematopoietic stem cell transplantation (HSCT) or renal transplantation. BKPYV-associated disease is thought to occur through reactivation under immunosuppression. However, the possibility of its nosocomial transmission and the clinical significance of such transmission have not been elucidated. During a 6-month period, 9 adult patients (median age: 47 years) with hematological disorders who were treated with HSCT (N=7) or chemotherapy (N=2) in a single hematology department developed hemorrhagic cystitis due to BKPYV infection...
March 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28293402/treosulfan-based-conditioning-regimen-in-sibling-and-alternative-donor-hematopoietic-stem-cell-transplantation-for-children-with-sickle-cell-disease
#10
Antonio Marzollo, Elisabetta Calore, Manuela Tumino, Marta Pillon, Maria Vittoria Gazzola, Roberta Destro, Raffaella Colombatti, Piero Marson, Tiziana Tison, Anna Colpo, Chiara Mainardi, Maria Gabelli, Maria Paola Boaro, Sara Rossin, Aurora Strano, Nadia Quaglia, Federica Menzato, Giuseppe Basso, Laura Sainati, Chiara Messina
BACKGROUND AND OBJECTIVES: Lack of suitable donors and regimen related toxicity are major barriers for hematopoietic stem cell transplantation (HSCT) in patients with sickle cell disease (SCD). The aim of the study is the assessment of efficacy and toxicity of Treosulfan-based conditioning regimen for SCD also when alternative donors such as mismatched unrelated donor and haploidentical donor are employed. METHODS: We report our single-center experience: 11 patients with SCD received HSCT with a Treosulfan/Thiotepa/Fludarabine/Anti-thymoglobulin conditioning regimen between 2010 and 2015...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28292893/small-molecule-selectively-suppresses-myc-transcription-in-cancer-cells
#11
Claire Bouvard, Sang Min Lim, John Ludka, Nahid Yazdani, Ashley K Woods, Arnab K Chatterjee, Peter G Schultz, Shoutian Zhu
Stauprimide is a staurosporine analog that promotes embryonic stem cell (ESC) differentiation by inhibiting nuclear localization of the MYC transcription factor NME2, which in turn results in down-regulation of MYC transcription. Given the critical role the oncogene MYC plays in tumor initiation and maintenance, we explored the potential of stauprimide as an anticancer agent. Here we report that stauprimide suppresses MYC transcription in cancer cell lines derived from distinct tissues. Using renal cancer cells, we confirmed that stauprimide inhibits NME2 nuclear localization...
March 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28286198/in-hospital-mortality-and-post-transplant-complications-in-elderly-multiple-myeloma-patients-undergoing-autologous-hematopoietic-stem-cell-transplantation-a-population-based-study
#12
Larysa Sanchez, Michael Sylvester, Ricardo Parrondo, Veronica Mariotti, Jean Anderson Eloy, Victor T Chang
Autologous hematopoietic stem cell transplantation (auto-HSCT) has improved survival in patients with multiple myeloma (MM) and is increasingly used in elderly patients. The aim of this study was to characterize and compare in-hospital complications and mortality after auto-HSCT in younger (< age 65) vs. elderly (≥ age 65) MM patients utilizing the Nationwide Inpatient Sample (NIS). Over a three-year period (2008-2010), 2209 patients with MM were admitted to U.S. Hospitals for auto-HSCT. The median age was 59 years, with 1650 patients (74...
March 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28285079/defibrotide-for-patients-with-hepatic-veno-occlusive-disease-sinusoidal-obstruction-syndrome-vod-sos-interim-results-from-a-treatment-ind-study
#13
Paul G Richardson, Angela R Smith, Brandon M Triplett, Nancy A Kernan, Stephan A Grupp, Joseph H Antin, Leslie Lehmann, Tsiporah Shore, Massimo Iacobelli, Maja Miloslavsky, Robin Hume, Alison L Hannah, Bijan Nejadnik, Robert J Soiffer
Hepatic veno-occlusive disease, or sinusoidal obstruction syndrome (VOD/SOS), is a serious and potentially fatal complication of conditioning for hematopoietic stem cell transplantation (HSCT) or of chemotherapy regimens alone. Defibrotide is a complex mixture of single-stranded polydeoxyribonucleotides that is approved in the United States for treatment of hepatic VOD/SOS with renal or pulmonary dysfunction post-HSCT and in the European Union, Israel, and South Korea for treatment of severe hepatic VOD/SOS post-HSCT...
March 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28279221/notch-signaling-plays-a-crucial-role-in-cancer-stem-like-cells-maintaining-stemness-and-mediating-chemotaxis-in-renal-cell-carcinoma
#14
Wei Xiao, Zhiyong Gao, Yixing Duan, Wuxiong Yuan, Yang Ke
BACKGROUND: Cancer stem cells (CSCs) are correlated with the initiation, chemoresistance and relapse of tumors. Notch pathway has been reported to function in CSCs maintenance, but whether it is involved in renal cell carcinoma (RCC) CSCs maintaining stemness remain unclear. This study aims to explore the effect of Notch pathway on stemness of CSCs in RCC and the underlying mechanisms. METHODS: The CD133(+)/CD24(+) cells were isolated from RCC ACHN and Caki-1 cell line using Magnetic-activated cell sorting and identified by Flow cytometry analysis...
March 9, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28276451/comparison-of-human-adipose-stromal-vascular-fraction-and-adipose-derived-mesenchymal-stem-cells-for-the-attenuation-of-acute-renal-ischemia-reperfusion-injury
#15
Liuhua Zhou, Qun Song, Jiangwei Shen, Luwei Xu, Zheng Xu, Ran Wu, Yuzheng Ge, Jiageng Zhu, Jianping Wu, Quanliang Dou, Ruipeng Jia
Stem cells therapy has been suggested as a promising option for the treatment of acute kidney injury (AKI). This study was performed to compare the abilities of xenogenic transplantation of human adipose stromal vascular fraction (SVF) and adipose-derived mesenchymal stem cells (AdMSCs) to facilitate the recovery of renal function and structure in a rat model of ischemia/reperfusion (IR) induced AKI. SVF or AdMSCs were transplanted to the injured kidney through intra-parenchymal injection. Significantly improved renal function and reduced tubular injury were observed in SVF and AdMSCs groups...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28275008/pparg-is-central-to-the-initiation-and-propagation-of-human-angiomyolipoma-suggesting-its-potential-as-a-therapeutic-target
#16
Oren Pleniceanu, Racheli Shukrun, Dorit Omer, Einav Vax, Itamar Kanter, Klaudyna Dziedzic, Naomi Pode-Shakked, Michal Mark-Daniei, Sara Pri-Chen, Yehudit Gnatek, Hadas Alfandary, Nira Varda-Bloom, Dekel D Bar-Lev, Naomi Bollag, Rachel Shtainfeld, Leah Armon, Achia Urbach, Tomer Kalisky, Arnon Nagler, Orit Harari-Steinberg, Jack L Arbiser, Benjamin Dekel
Angiomyolipoma (AML), the most common benign renal tumor, can result in severe morbidity from hemorrhage and renal failure. While mTORC1 activation is involved in its growth, mTORC1 inhibitors fail to eradicate AML, highlighting the need for new therapies. Moreover, the identity of the AML cell of origin is obscure. AML research, however, is hampered by the lack of in vivo models. Here, we establish a human AML-xenograft (Xn) model in mice, recapitulating AML at the histological and molecular levels. Microarray analysis demonstrated tumor growth in vivo to involve robust PPARG-pathway activation...
March 8, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28267813/decellularized-scaffold-of-cryopreserved-rat-kidney-retains-its-recellularization-potential
#17
Baldeep Chani, Veena Puri, Ranbir C Sobti, Vivekanand Jha, Sanjeev Puri
The multi-cellular nature of renal tissue makes it the most challenging organ for regeneration. Therefore, till date whole organ transplantations remain the definitive treatment for the end stage renal disease (ESRD). The shortage of available organs for the transplantation has, thus, remained a major concern as well as an unsolved problem. In this regard generation of whole organ scaffold through decellularization followed by regeneration of the whole organ by recellularization is being viewed as a potential alternative for generating functional tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28266553/experimental-evaluation-of-kidney-regeneration-by-organ-scaffold-recellularization
#18
Andrea Remuzzi, Marina Figliuzzi, Barbara Bonandrini, Sara Silvani, Nadia Azzollini, Roberta Nossa, Ariela Benigni, Giuseppe Remuzzi
The rising number of patients needing renal replacement therapy, alongside the significant clinical and economic limitations of current therapies, creates an imperative need for new strategies to treat kidney diseases. Kidney bioengineering through the production of acellular scaffolds and recellularization with stem cells is one potential strategy. While protocols for obtaining organ scaffolds have been developed successfully, scaffold recellularization is more challenging. We evaluated the potential of in vivo and in vitro kidney scaffold recellularization procedures...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263341/risk-factors-for-mortality-in-asian-children-admitted-to-the-paediatric-intensive-care-unit-after-haematopoietic-stem-cell-transplantation
#19
Haripriya Santhanam, Jacqueline Sm Ong, Liang Shen, Poh Lin Tan, Pei Lin Koh
INTRODUCTION: This study aimed to investigate the risk factors associated with mortality in haematopoietic stem cell transplant (HSCT) patients admitted to our paediatric intensive care unit (PICU) over an 8-year period. MATERIALS AND METHODS: A retrospective chart review was conducted of all HSCT patients requiring PICU admission at our centre (a tertiary care university hospital in Singapore) from January 2002 to December 2010. Chief outcome measures were survival at the time of PICU discharge and survival at 6 months after initial PICU admission...
February 2017: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28260442/nephrotic-syndrome-after-hematopoietic-stem-cell-transplant-outcomes-in-iran
#20
Fereshteh Saddadi, Ali Alidadi, Monir Hakemi, Babak Bahar
OBJECTIVES: Patients undergoing hematopoietic stem cell transplant have an elevated incidence of acute renal failure. However, the incidence of nephritic syndrome due to graft-versus-host disease is growing and is independently associated with chronic renal disease after this procedure. MATERIALS AND METHODS: We conducted a prospective study to examine the risk of chronic kidney disease in glomerulopathy patients following hematopoietic stem cell transplant with a follow-up of 10 years...
February 2017: Experimental and Clinical Transplantation
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