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bone metabolism and transplant meta

Daiki Karigane, Hiroshi Kobayashi, Takayuki Morikawa, Yukako Ootomo, Mashito Sakai, Go Nagamatsu, Yoshiaki Kubota, Nobuhito Goda, Michihiro Matsumoto, Emi K Nishimura, Tomoyoshi Soga, Kinya Otsu, Makoto Suematsu, Shinichiro Okamoto, Toshio Suda, Keiyo Takubo
Hematopoietic stem cells (HSCs) maintain quiescence by activating specific metabolic pathways, including glycolysis. We do not yet have a clear understanding of how this metabolic activity changes during stress hematopoiesis, such as bone marrow transplantation. Here, we report a critical role for the p38MAPK family isoform p38α in initiating hematopoietic stem and progenitor cell (HSPC) proliferation during stress hematopoiesis in mice. We found that p38MAPK is immediately phosphorylated in HSPCs after a hematological stress, preceding increased HSPC cycling...
August 4, 2016: Cell Stem Cell
Loris Pironi, Jann Arends, Federico Bozzetti, Cristina Cuerda, Lyn Gillanders, Palle Bekker Jeppesen, Francisca Joly, Darlene Kelly, Simon Lal, Michael Staun, Kinga Szczepanek, André Van Gossum, Geert Wanten, Stéphane Michel Schneider
BACKGROUND & AIMS: Chronic Intestinal Failure (CIF) is the long-lasting reduction of gut function, below the minimum necessary for the absorption of macronutrients and/or water and electrolytes, such that intravenous supplementation is required to maintain health and/or growth. CIF is the rarest organ failure. Home parenteral nutrition (HPN) is the primary treatment for CIF. No guidelines (GLs) have been developed that address the global management of CIF. These GLs have been devised to generate comprehensive recommendations for safe and effective management of adult patients with CIF...
April 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Zhuangzhu Liu, Guobin Su, Xinfeng Guo, Yifan Wu, Xusheng Liu, Chuan Zou, Lei Zhang, Qianchun Yang, Yuan Xu, Weizhong Ma
BACKGROUND: Chronic kidney disease-mineral and bone disorder (CKD-MBD) is a systemic dysfunction of mineral and bone metabolism in people with CKD. Recent research shows that phosphate retention plays a significant role in the development of CKD-MBD. Compared with drug therapies, dietary interventions may be simple, inexpensive and feasible for phosphate retention. However, there is little evidence to support these interventions. OBJECTIVES: Our objective was to assess the benefits and harms of any dietary intervention for preventing and treating CKD-MBD...
September 16, 2015: Cochrane Database of Systematic Reviews
Nuria Montero, Angela C Webster, Ana Royuela, Javier Zamora, Marta Crespo Barrio, Julio Pascual
BACKGROUND: Pancreas or kidney-pancreas transplantation improves survival and quality of life for people with type 1 diabetes mellitus and kidney failure. Immunosuppression after transplantation is associated with complications. Steroids have adverse effects on cardiovascular risk factors such as hypertension, hyperglycaemia or hyperlipidaemia, increase risk of infection, obesity, cataracts, myopathy, bone metabolism alterations, dermatologic problems and cushingoid appearance. Whether avoiding steroids changes outcomes is unclear...
2014: Cochrane Database of Systematic Reviews
Caitlin C Hesketh, Greg A Knoll, Amber O Molnar, Anne Tsampalieros, Deborah L Zimmerman
BACKGROUND: Patients with end-stage renal disease who receive kidney transplants have improved survival and quality of life compared to patients on dialysis. Unfortunately, transplant patients often have a low vitamin D concentration, which has well-known effects on calcium and bone metabolism. The effect of vitamin D on other indicators of transplant function, such as glomerular filtration rate and acute rejection, remains unknown. METHODS/DESIGN: We will conduct a systematic review of vitamin D status and outcomes after kidney transplantation...
June 14, 2014: Systematic Reviews
Justine Bacchetta, Bruno Ranchin, Delphine Demède, Lise Allard
PURPOSE OF REVIEW: During childhood, growth retardation, decreased final height and renal osteodystrophy are common complications of chronic kidney disease (CKD). These problems remain present in patients undergoing renal transplantation, even though steroid-sparing strategies are more widely used. In this context, achieving normal height and growth in children after transplantation is a crucial issue for both quality of life and self-esteem. The aim of this review is to provide an overview of pathophysiology of CKD-mineral bone disorder (MBD) in children undergoing renal transplantation and to propose keypoints for its daily management...
October 2013: Current Opinion in Organ Transplantation
Christa Mitterbauer, Christoph Schwarz, Martin Haas, Rainer Oberbauer
BACKGROUND: Bone loss remains a serious problem after kidney transplantation and is most pronounced during the first months after engraftment. Bisphosphonates are frequently used to treat post-transplant osteodystrophy, but data of large randomized controlled trials (RCTs) are missing. METHODS: We, therefore, conducted this systematic review of the literature, searching electronic databases, reference lists and abstracts from scientific meetings to identify RCTs in all languages...
August 2006: Nephrology, Dialysis, Transplantation
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