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Obesity and transplant

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https://www.readbyqxmd.com/read/29457842/long-term-outcomes-of-patients-undergoing-simultaneous-liver-transplantation-and-sleeve-gastrectomy
#1
Daniel Zamora-Valdes, Kymberly D Watt, Todd A Kellogg, John J Poterucha, Sara R Di Cecco, Nicki M Francisco-Ziller, Timucin Taner, Charles B Rosen, Julie K Heimbach
BACKGROUND: Obesity is increasingly common before and after liver transplantation (LT), yet optimal management remains unclear. AIM: To analyze the long term outcomes for obese patients undergoing LT including a non-invasive weight loss program and combined LT and sleeve gastrectomy (SG). METHODS: Since 2006, all patients referred for LT with a body mass index (BMI) ≥35 kg/m2 were enrolled. Patients who achieved weight loss (BMI<35) underwent LT alone, and those who did not underwent simultaneous LT+SG...
February 19, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29451110/-risk-of-heart-failure-diminished-thanks-to-stomach-reduction-in-obesity
#2
B Botter, E Koolen, G van Montfort, F Bracke, A Bouwman, M Buise
BACKGROUND: Obesity is a chronic disease and a risk factor for heart failure. In end-stage heart failure, heart transplantation may be the only available treatment option, but obesity is a contraindication for this treatment because of its unfavourable prognosis. Bariatric surgery and its subsequent weight loss may affect the indication for transplantation in patients with heart failure and morbid obesity. CASE DESCRIPTION: A 46-year-old patient with morbid obesity and heart failure underwent gastric sleeve resection in preparation of a heart transplantation...
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29428438/no-obesity-paradox-in-pediatric-patients-with-dilated-cardiomyopathy
#3
Chesney D Castleberry, John L Jefferies, Ling Shi, James D Wilkinson, Jeffrey A Towbin, Ryan W Harrison, Joseph W Rossano, Elfriede Pahl, Teresa M Lee, Linda J Addonizio, Melanie D Everitt, Justin Godown, Joseph Mahgerefteh, Paolo Rusconi, Charles E Canter, Steven D Colan, Paul F Kantor, Hiedy Razoky, Steven E Lipshultz, Tracie L Miller
OBJECTIVES: This study aimed to examine the role of nutrition in pediatric dilated cardiomyopathy (DCM). BACKGROUND: In adults with DCM, malnutrition is associated with mortality, whereas obesity is associated with survival. METHODS: The National Heart, Lung, and Blood Institute-funded Pediatric Cardiomyopathy Registry was used to identify patients with DCM and categorized by anthropometric measurements: malnourished (MN) (body mass index [BMI] <5% for ≥2 years or weight-for-length <5% for <2 years), obesity (BMI >95% for age ≥2 years or weight-for-length >95% for <2 years), or normal bodyweight (NB)...
February 1, 2018: JACC. Heart Failure
https://www.readbyqxmd.com/read/29426831/cardiovascular-risk-factors-and-subclinical-organ-damage-after-hematopoietic-stem-cell-transplantation-in-pediatric-age
#4
Bianca Borchert-Mörlins, Nima Memaran, Martin Sauer, Britta Maecker-Kolhoff, Karl-Walter Sykora, Ricarda Blöte, Elena Bauer, Bernhard M W Schmidt, Anette Melk, Rita Beier
Advances in allogeneic hematopoietic stem cell transplantation (HSCT) in malignant and non-malignant diseases result in more long-term survivors, in whom cardiovascular (CV) disease is one leading non-cancer cause of death. This study aimed to evaluate risk factors and subclinical CV organ damage in survivors after HSCT in pediatric age. We enrolled 64 children in a cross-sectional approach 3.3 ± 3.1 years after HSCT. Anthropometric data, laboratory values, office and 24-h ambulatory blood pressure monitoring (ABPM) were evaluated, showing a high prevalence of obesity, hypertension and dyslipidemia...
February 9, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29423213/cardiovascular-effects-of-metabolic-syndrome-after-transplantation-convergence-of-obesity-and-transplant-related-factors
#5
Kristen Sgambat, Sarah Clauss, Asha Moudgil
Children are at increased risk of developing metabolic syndrome (MS) after kidney transplantation, which contributes to long-term cardiovascular (CV) morbidities and decline in allograft function. While MS in the general population occurs due to excess caloric intake and physical inactivity, additional chronic kidney disease and transplant-related factors contribute to the development of MS in transplant recipients. Despite its significant health consequences, the interplay of the individual components in CV morbidity in pediatric transplant recipients is not well understood...
February 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29409846/metabolic-syndrome-and-cardiovascular-risk-factors-after-hematopoietic-cell-transplantation-in-severe-mucopolysaccharidosis-type-i-hurler-syndrome
#6
Elizabeth Braunlin, Julia Steinberger, Todd DeFor, Paul Orchard, Aaron S Kelly
BACKGROUND: Hematopoietic cell transplantation is a life-saving procedure, but one associated with increasing long term cardiovascular risk requiring frequent long term follow-up. This therapy has significantly lengthened survival in mucopolysaccharidosis, type I H (Hurler syndrome), a disease with known coronary artery involvement. Metabolic syndrome - a constellation of central obesity, high blood pressure, low HDL cholesterol, elevated triglycerides and fasting blood glucose - is associated with increased cardiovascular risk, and occurs when any 3 or more of these 5 components is present within a single individual...
January 31, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29393381/feasibility-analysis-of-treating-severe-intrauterine-adhesions-by-transplanting-menstrual-blood-derived-stem-cells
#7
Sheng-Xia Zheng, Jian Wang, Xue-Li Wang, Asim Ali, Li-Min Wu, Yu-Sheng Liu
Intrauterine adhesions (IUA) are associated with the loss of stem cells in the endometrium. Menstrual blood‑derived stem cells (MenSCs) can be isolated from the menstrual blood and differentiated into endometrial cells. To check the transplantation feasibility of MenSCs for the treatment of severe IUA, MenSCs were isolated from menstrual blood, cultured in Dulbecco's modified Eagle's medium (DMEM), identified by immunocytochemistry and flow cytometry, differentiated into endometrial cells in vitro, and finally transplanted into the axillary subcutaneous tissue of non‑obese diabetic/severe combined immunodeficiency (NOD‑SCID) mice to create endometrial tissue...
January 23, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29387389/oral-administration-of-salmon-cartilage-proteoglycan-extends-the-survival-of-allografts-in-mice
#8
Krisana Asano, Emiko Takahashi, Sayuri Yoshimura, Akio Nakane
Proteoglycan (PG) is a complex glycohydrate that is widely distributed in the extracellular matrix. Oral administration of PG extracted from salmon nasal cartilage has been reported to attenuate the severity and proinflammatory cytokine responses in mouse experimental colitis, autoimmune encephalomyelitis, collagen-induced arthritis and obesity-induced inflammation. In the present study, the effects of salmon nasal cartilage PG on skin allografts were investigated in a mouse model. Oral administration of PG prolonged the survival of skin grafts within 10 days of transplantation...
January 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29377429/obesity-class-does-not-further-stratify-outcome-in-overweight-and-obese-pediatric-patients-after-heart-transplantation
#9
Thomas D Ryan, Farhan Zafar, Robert M Siegel, Chet R Villa, Roosevelt Bryant, Clifford Chin
The effect of obesity stratification on pediatric heart transplant outcomes is unknown. The UNOS database was queried for patients ≥2-<18 years listed for heart transplant and stratified by BMI: normal (BMI>5%-≤85 percentile), overweight (BMI=86%-95 percentile), class 1 (BMI=100%-120% of 95 percentile), class 2 (BMI=121%-140% of 95 percentile), and class 3 obesity (BMI>140% of 95 percentile). A total of 5056 individuals were listed for transplant, with 71% normal, 13% overweight, 10% class 1, 4% class 2, and 2% class 3 obesity...
January 29, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29371326/leptin-deficient-obesity-prolongs-survival-in-a-murine-model-of-myelodysplastic-syndrome
#10
Michael J Kraakman, Helene L Kammoun, Dragana Dragoljevic, Annas Al-Sharea, Man K S Lee, Michelle C Flynn, Christian J Stolz, Andrew A Guirguis, Graeme I Lancaster, Jaye Chin-Dusting, David J Curtis, Andrew J Murphy
Obesity enhances the risk of developing myelodysplastic syndromes. However, the effect of obesity on survival is unclear. Obese people present with monocytosis due to inflammatory signals emanating from obese adipose tissue. We hypothesized that obesity-induced myelopoiesis would promote the transition of myelodysplastic syndrome to acute myeloid leukemia and accelerate mortality in obesity. Obese Ob/Ob mice or their lean littermate controls received a bone marrow transplant from NUP98-HOXD13 transgenic mice, a model of myelodysplastic syndrome...
January 25, 2018: Haematologica
https://www.readbyqxmd.com/read/29370406/neuropeptide-y-and-chronic-kidney-disease-progression-a-cohort-study
#11
Carmine Zoccali, Graziella D'arrigo, Daniela Leonardis, Patrizia Pizzini, Maurizio Postorino, Giovanni Tripepi, Francesca Mallamaci, Jan van den Brand, Arjan van Zuilen, Jack Wetzels, Michiel L Bots, Peter Blankestijn
Background: Neuropeptide Y (NPY) is a sympathetic neurotransmitter that has been implicated in various disorders including obesity, gastrointestinal and cardiovascular diseases. Methods: We investigated the relationship between circulating NPY and the progression of the glomerular filtration rate (GFR) and proteinuria and the risk for a combined renal endpoint (>30% GFR loss, dialysis/transplantation) in two European chronic kidney disease (CKD) cohorts including follow-up of 753 and 576 patients for 36 and 57 months, respectively...
January 23, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29370336/transplanting-patients-with-alcohol-related-liver-disease-in-the-national-health-system-new-rules-and-decisions
#12
Richard Parker, Andrew Holt
Aims: The UK has a socialized healthcare system that provides treatment that is free at the point of care for acute and chronic health disorders (the National Health Service-NHS), which is currently experiencing a period of unprecedented challenge. Methods: A narrative review that discusses present and future arrangements for transplantation of alcohol-related liver disease (ArLD) in the UK. Results: Liver disease in the UK is reaching epidemic proportions due to obesity and metabolic disease compounding alcohol-mediated liver damage...
January 23, 2018: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29364854/cytoprotective-mechanisms-in-fatty-liver-preservation-against-cold-ischemia-injury-a-comparison-between-igl-1-and-htk
#13
Arnau Panisello-Roselló, Eva Verde, Alexandre Lopez, Marta Flores, Emma Folch-Puy, Anabela Rolo, Carlos Palmeira, Georgina Hotter, Teresa Carbonell, René Adam, Joan Roselló-Catafau
Institute Goeorges Lopez 1 (IGL-1) and Histidine-Tryptophan-Ketoglutarate (HTK) preservation solutions are regularly used in clinical for liver transplantation besides University of Wisconsin (UW) solution and Celsior. Several clinical trials and experimental works have been carried out comparing all the solutions, however the comparative IGL-1 and HTK appraisals are poor; especially when they deal with the underlying protection mechanisms of the fatty liver graft during cold storage. Fatty livers from male obese Zücker rats were conserved for 24 h at 4 °C in IGL-1 or HTK preservation solutions...
January 24, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29361968/an-obesity-associated-gut-microbiome-reprograms-the-intestinal-epigenome-and-leads-to-altered-colonic-gene-expression
#14
Yufeng Qin, John D Roberts, Sara A Grimm, Fred B Lih, Leesa J Deterding, Ruifang Li, Kaliopi Chrysovergis, Paul A Wade
BACKGROUND: The gut microbiome, a key constituent of the colonic environment, has been implicated as an important modulator of human health. The eukaryotic epigenome is postulated to respond to environmental stimuli through alterations in chromatin features and, ultimately, gene expression. How the host mediates epigenomic responses to gut microbiota is an emerging area of interest. Here, we profile the gut microbiome and chromatin characteristics in colon epithelium from mice fed either an obesogenic or control diet, followed by an analysis of the resultant changes in gene expression...
January 23, 2018: Genome Biology
https://www.readbyqxmd.com/read/29361369/meloxicam-increases-epidermal-growth-factor-receptor-expression-improving-survival-after-hepatic-resection-in-diet-induced-obese-mice
#15
Xiaoling Jin, Teresa A Zimmers, Yanlin Jiang, Daniel P Milgrom, Zongxiu Zhang, Leonidas G Koniaris
BACKGROUND: Patients with fatty liver have delayed regenerative responses, increased hepatocellular injury, and increased risk for perioperative mortality. Currently, no clinical therapy exists to prevent liver failure or improve regeneration in patients with fatty liver. Previously we demonstrated that obese mice have markedly reduced levels of epidermal growth factor receptor in liver. We sought to identify pharmacologic agents to increase epidermal growth factor receptor expression to improve hepatic regeneration in the setting of fatty liver resection...
January 17, 2018: Surgery
https://www.readbyqxmd.com/read/29353275/endocrine-and-metabolic-disturbances-in-survivors-of-hematopoietic-stem-cell-transplantation-in-childhood-and-adolescence
#16
Shlomit Shalitin, Lihi Pertman, Michal Yackobovitch-Gavan, Isaac Yaniv, Yael Lebenthal, Moshe Phillip, Jerry Stein
BACKGROUND/AIMS: The objective was to evaluate endocrine complications in survivors of hematopoietic stem cell transplantation (HSCT) performed during childhood. METHODS: Endocrine dysfunction and metabolic syndrome parameters were assessed by chart review of 178 childhood HSCT survivors (median age at evaluation, 15.5 [range: 3.8-29.8] years; median follow-up, 8.5 [range: 2-23.4] years). RESULTS: The following statistically significant associations were identified (p < 0...
January 19, 2018: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29348470/fibroblast-growth-factor-21-increases-insulin-sensitivity-through-specific-expansion-of-subcutaneous-fat
#17
Huating Li, Guangyu Wu, Qichen Fang, Mingliang Zhang, Xiaoyan Hui, Bin Sheng, Liang Wu, Yuqian Bao, Peng Li, Aimin Xu, Weiping Jia
Although the pharmacological effects of fibroblast growth factor 21 (FGF21) are well-documented, uncertainty about its role in regulating excessive energy intake remains. Here, we show that FGF21 improves systemic insulin sensitivity by promoting the healthy expansion of subcutaneous adipose tissue (SAT). Serum FGF21 levels positively correlate with the SAT area in insulin-sensitive obese individuals. FGF21 knockout mice (FGF21KO) show less SAT mass and are more insulin-resistant when fed a high-fat diet. Replenishment of recombinant FGF21 to a level equivalent to that in obesity restores SAT mass and reverses insulin resistance in FGF21KO, but not in adipose-specific βklotho knockout mice...
January 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29346763/derepression-of-the-iroquois-homeodomain-transcription-factor-gene-irx3-confers-differentiation-block-in-acute-leukemia
#18
Tim D D Somerville, Fabrizio Simeoni, John A Chadwick, Emma L Williams, Gary J Spencer, Katalin Boros, Christopher Wirth, Eleni Tholouli, Richard J Byers, Tim C P Somervaille
The Iroquois homeodomain transcription factor gene IRX3 is expressed in the developing nervous system, limb buds, and heart, and transcript levels specify obesity risk in humans. We now report a functional role for IRX3 in human acute leukemia. Although transcript levels are very low in normal human bone marrow cells, high IRX3 expression is found in ∼30% of patients with acute myeloid leukemia (AML), ∼50% with T-acute lymphoblastic leukemia, and ∼20% with B-acute lymphoblastic leukemia, frequently in association with high-level HOXA gene expression...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29339666/preventive-cold-acclimation-augments-the-reparative-function-of-endothelial-progenitor-cells-in-mice
#19
Cheng Peng, Li-Ping Wang, Xia Tao, Xiao-Hui Dong, Chun-Fang Xu, Yu Jiang, Chun-Long Liu, Hui-Fang Ma, Chuan Zhang, Alex F Chen, He-Hui Xie
BACKGROUND/AIMS: Chronic cold exposure may increase energy expenditure and contribute to counteracting obesity, an important risk factor for cerebrocardiovascular diseases. This study sought to evaluate whether preventive cold acclimation before ischemia onset might be a promising option for preventing cerebral ischemic injury. METHODS: After a 14-day cold acclimation period, young and aged mice were subjected to permanent cerebral ischemia, and histological analyses and behavioral tests were performed...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29329414/is-big-bad-or-bearable-long-term-renal-transplant-outcomes-in-obese-recipients
#20
O M McCloskey, A E Courtney, J A McCaughan, P Devine
No abstract text is available yet for this article.
January 10, 2018: QJM: Monthly Journal of the Association of Physicians
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