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https://www.readbyqxmd.com/read/29916848/pancreas-transplantation-in-type-2-diabetes-expanding-the-criteria
#1
Talal M Al-Qaoud, Jon S Odorico, Robert R Redfield
PURPOSE OF REVIEW: Pancreas transplantation in type 2 diabetes mellitus (T2DM) candidates remains disproportionately lower than in type 1 diabetes mellitus (T1DM); however, outcomes in carefully selected patients mirrors that of T1DM. Despite the 2014 United Network for Organ Sharing (UNOS) eligibility criteria for simultaneous pancreas/kidney transplant (SPK) transplantation in T2DM patients, an expected increase in the number of transplants was not observed. RECENT FINDINGS: In an updated International Pancreas and Transplant Registry (IPTR) analysis, 1514 primary deceased donor pancreas transplants were performed in T2DM recipients [1995-2015, SPK 88%, pancreas after kidney (PAK) 9%, pancreas transplant alone (PTA) 3%]...
June 18, 2018: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/29912386/impairment-of-the-akt-pathway-in-transplanted-type-1-diabetic-hearts-is-associated-with-post-transplant-graft-injury
#2
Sevil Korkmaz-Icöz, Shiliang Li, Sivakkanan Loganathan, Tamás Radovits, Mihály Ruppert, Paige Brlecic, Alex Ali Sayour, Gábor Veres, Thomas Fleming, Maik Brune, Patrick Most, Matthias Karck, Gábor Szabó
OBJECTIVES: The use of 'marginal' hearts, such as from donors with diabetes mellitus (DM), could offer an opportunity to expand the donor pool in cardiac transplantation. Previous studies have shown that the phosphatidylinositol-3-kinase (PI3K)/Akt pathway is altered after ischaemia/reperfusion injury in the diabetic myocardium. We hypothesized that DM-induced cardiac dysfunction in donors is further impaired after heart transplantation and that PI3K/Akt-pathway alterations may be one of the underlying pathomechanisms...
June 14, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29911959/conversion-from-steroid-to-everolimus-in-maintenance-kidney-transplant-recipients-with-posttransplant-diabetes-mellitus
#3
Koji Nanmoku, Akira Kurosawa, Taro Kubo, Takahiro Shinzato, Toshihiro Shimizu, Takaaki Kimura, Takashi Yagisawa
OBJECTIVES: Although steroid withdrawal has been attempted to ameliorate various complications in kidney transplant recipients, a steroid-sparing strategy has more frequently led to acute rejection. We investigated the use of everolimus to safely overcome steroid withdrawal in kidney transplant recipients with posttransplant diabetes mellitus under maintenance immunosuppressive therapy. MATERIALS AND METHODS: A total of 75 de novo consecutive kidney transplant recipients received conventional immunosuppressive therapy comprising tacrolimus (trough level of 5 ng/mL), mycophenolate mofetil (1000 mg), and methylprednisolone (4 mg)...
June 18, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29901649/nephrogenic-diabetes-insipidus-in-initial-stage-of-acute-lymphoblastic-leukemia-and-relapse-after-haploidentical-hematopoietic-stem-cell-transplantation-a-case-report
#4
Dezhi Li, Qian Liu, Zhifang Feng, Qi Zhang, Saran Feng
RATIONALE: Nephrogenic diabetes insipidus (NDI) rarely presents in the initial stage of acute lymphoblastic leukemia (ALL) and relapse due to renal infiltration is also rare. PATIENT CONCERNS: A 19-year-old man presented with weakness, polydipsia, and polyuria for 1 month. DIAGNOSES: NDI was diagnosed with insignificant response to a water deprivation test after stimulation with vasopressin injection. Bone marrow examination combined with immunophenotypic analysis, cerebrospinal cytology, and abdominal ultrasonography confirmed the diagnoses of precursor B cell ALL with renal infiltration...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29899990/adrenal-crisis-in-a-14-year-old-boy-12-years-after-hematopoietic-stem-cell-transplantation
#5
Theresa Penger, Andrea Albrecht, Michaela Marx, Daniel Stachel, Markus Metzler, Helmuth G Dörr
We report on a boy of Albanian descent with the history of juvenile myelomonocytic leukemia (JMML). JMML was diagnosed at the age of 17 months and treated by hematopoietic stem cell transplantation (HSCT). At the age of 14.3 years, about 12 years after HSCT, he was hospitalized with an adrenal crisis. Hormone findings were consistent with primary adrenal insufficiency. Autoimmune adrenalitis was confirmed by positive autoantibodies against 21-hydroxylase and adrenal tissue. Since autoimmune Hashimoto thyroiditis was already known from the age of 9 years, we assume that both diseases are part of the spectrum of autoimmune polyglandular syndrome (APS) type 2...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29899116/multiple-sequences-orchestrate-subcellular-trafficking-of-neuronal-pas-domain-containing-protein-4-npas4
#6
Beata Greb-Markiewicz, Mirosław Zarębski, Andrzej Ożyhar
Neuronal Per-Arnt-Sim (PAS) domain-containing protein 4 (NPAS4) is a basic helix-loop-helix (bHLH)-PAS transcription factor that was first discovered in neurons in the neuronal layer of the mammalian hippocampus and was later discovered in pancreatic β-cells. NPAS4 has been proposed as a therapeutic target not only for depression and neurodegenerative diseases associated with synaptic dysfunction but also for type 2 diabetes and pancreas transplantation. The ability of bHLH-PAS proteins to fulfil their function depends on their intracellular trafficking, which is regulated by specific sequences, i...
June 13, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29898634/meta-analysis-of-the-effects-of-exercise-training-on-markers-of-metabolic-syndrome-in-solid-organ-transplant-recipients
#7
Caixia Li, Jianming Xu, Wei Qin, Yan Hu, Huijuan Lu
BACKGROUND: The markers of metabolic syndrome can prompt the development of metabolic syndrome and are associated with worse graft function among transplant recipients. Studies have shown that exercise might be effective in reducing incidence rate of metabolic syndrome components in nontransplant patients. However, there is no sufficient evidence to determine whether exercise training is safe or effective for markers of metabolic syndrome among solid organ transplant recipients. OBJECTIVE: To evaluate the safety and efficacy of exercise training programs for risk markers of metabolic syndrome and to further evaluate its long-term effects in solid organ transplant recipients...
January 1, 2018: Progress in Transplantation
https://www.readbyqxmd.com/read/29894419/incidental-neuroendocrine-tumor-discovered-after-total-pancreatectomy-intended-for-islet-autotransplantation-important-considerations-for-surgical-decision-making
#8
Oscar K Serrano, Kent J Peterson, Tetyana Mettler, Joshua J Wilhelm, Melena D Bellin, Gregory J Beilman, Guru Trikudanathan, Timothy L Pruett, Ty B Dunn
Total pancreatectomy (TP) is a treatment option for patients experiencing chronic pancreatitis (CP) refractory to medical management. Patients who are candidates for TP benefit from islet autotransplantation (IAT), which preserves available β-cell mass and thereby reduces the risk of brittle diabetes. Malignancy is an absolute contraindication for IAT to prevent the transplantation of occult malignant cells. We present the case of a patient with CP who was approved to undergo TP with IAT (TPIAT) but was intraoperatively discovered to have a pancreatic neuroendocrine tumor...
July 2018: Pancreas
https://www.readbyqxmd.com/read/29894201/in-situ-type-i-oligomeric-collagen-macroencapsulation-promotes-islet-longevity-and-function-in-vitro-and-in-vivo
#9
Clarissa Hernandez Stephens, Kara S Orr, Anthony J Acton, Sarah A Tersey, Raghavendra G Mirmira, Robert V Considine, Sherry L Voytik-Harbin
Widespread use of pancreatic islet transplantation for treatment of type 1 diabetes (T1D) is currently limited by requirements for long-term immunosuppression, limited donor supply, and poor long-term engraftment and function. Upon isolation from their native microenvironment, islets undergo rapid apoptosis, which is further exacerbated by poor oxygen and nutrient supply following infusion into the portal vein. Identifying alternative strategies to restore critical microenvironmental cues, while maximizing islet health and function, are needed to advance this cellular therapy...
June 12, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29893159/impact-of-metabolic-syndrome-on-quality-of-life-of-liver-transplant-recipients
#10
Zhenshun Wang, Ning Li, Dongdong Lin
Objective The incidence of metabolic syndrome (MS) increases after liver transplantation. This study was performed to evaluate the impact of MS on patients' quality of life after liver transplantation. Methods We collected the medical records of 152 patients during their post-liver transplantation outpatient follow-up. Quality of life was assessed using the Medical Outcomes Study 36-Item Short Form Health Survey. Data on the patients' general condition as well as MS-related indicators were assessed in all patients...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29892279/introduction-of-human-flt3-l-and-gm-csf-into-humanized-mice-enhances-the-reconstitution-and-maturation-of-myeloid-dendritic-cells-and-the-development-of-foxp3-cd4-t-cells
#11
Ryutaro Iwabuchi, Shota Ikeno, Mie Kobayashi-Ishihara, Haruko Takeyama, Manabu Ato, Yasuko Tsunetsugu-Yokota, Kazutaka Terahara
Two cytokines, fms-related tyrosine kinase 3 ligand (Flt3-L) and granulocyte-macrophage colony-stimulating factor (GM-CSF) are considered to be the essential regulators of dendritic cell (DC) development in vivo . However, the combined effect of Flt3-L and GM-CSF on human DCs has not been evaluated in vivo . In this study, we, therefore, aimed at evaluating this using a humanized mouse model. Humanized non-obese diabetic/SCID/Jak3null (hNOJ) mice were constructed by transplanting hematopoietic stem cells from human umbilical cord blood into newborn NOJ mice, and in vivo transfection (IVT) was performed by hydrodynamic injection-mediated gene delivery using plasmids encoding human Flt3-L and GM-CSF...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29885442/dual-antibody-induction-and-de-novo-use-of-everolimus-enable-low-dose-tacrolimus-with-early-corticosteroid-withdrawal-in-simultaneous-pancreas-kidney-transplantation
#12
Jun Li, Martina Koch, Kathrin Kramer, Katja Kloth, Abd El Rahman Abu Ganim, Silke Scheidat, Franz Rinninger, Friedrich Thaiss, Amit Gulati, Uta Herden, Eike Achilles, Lutz Fischer, Bjoern Nashan
BACKGROUND: To be an optimal immunosuppressive regimen after simultaneous pancreas kidney transplantation (SPK), low dose calcineurin inhibitor and early withdrawal of corticosteroids are desired. METHODS: Immunosuppressive regimen as such has been conducted consecutively in SPK recipients since 2009 in authors' institute. In addition to tacrolimus in low trough level and early corticosteroid withdraw, dual induction with basiliximab and low-dose thymoglobulin in combination with everolimus are the important components of the protocol...
June 6, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/29883808/polymeric-microsphere-facilitated-site-specific-delivery-of-quercetin-prevents-senescence-of-pancreatic-islets-in-vivo-and-improves-transplantation-outcomes-in-mouse-model-of-diabetes
#13
Shiva Pathak, Shobha Regmi, Tiep Tien Nguyen, Biki Gupta, Milan Gautam, Chul Soon Yong, Jong Oh Kim, Youlim Son, Jae-Ryong Kim, Min Hui Park, Young Kyung Bae, So Young Park, Daewon Jeong, Simmyung Yook, Jee-Heon Jeong
Attenuation of senescence progression may be attractive way to preserve the functionality of pancreatic islets (PI) after transplantation. In this study, we developed a model for in vitro induction of premature senescence in rat PI and showed the effectiveness of quercetin (QU) to prevent the senescence. To provide targeted-delivery of QU to the PI after transplantation, we prepared the hybrid clusters (HC) of islet single cells (ISC) and QU-loaded polymeric microspheres (QU; ∼7.55 ng HC-1 ). Long-term culture of the HC revealed reduced levels of reactive oxygen species and decreased expression of senescence-associated beta galactosidase, Rb, p53, p16, and p21 compared to that of the control islets...
June 5, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29882768/serum-magnesium-after-kidney-transplantation-a-systematic-review
#14
REVIEW
Anne-Sophie Garnier, Agnès Duveau, Martin Planchais, Jean-François Subra, Johnny Sayegh, Jean-François Augusto
Magnesium (Mg) status has recently drawn close attention in chronic kidney disease and in kidney transplant recipients. This review aims to evaluate the body of evidence linking hypomagnesemia to clinical consequences in these specific populations. After a brief summary of the main mechanisms involved in Mg regulation and of Mg status in end-stage renal disease, the review focuses on the relationship between hypomagnesemia and cardiovascular risk in kidney transplant recipients. A body of evidence in recent studies points to a negative impact of hypomagnesemia on post-transplant diabetes mellitus (PTDM) and cardiovascular risk, which currently represent the main threat for morbidity and mortality in kidney transplantation...
June 6, 2018: Nutrients
https://www.readbyqxmd.com/read/29880375/preoperative-muscle-volume-predicts-graft-survival-after-pancreas-transplantation-a-retrospective-observational-cohort-study
#15
H Noguchi, Y Miyasaka, K Kaku, K Kurihara, U Nakamura, Y Okabe, T Ohtsuka, K Ishigami, M Nakamura
BACKGROUND: Several studies have suggested that decreased muscle volume is associated with attenuation of immune function. The recipient's immune system is responsible for rejection of transplanted organs, which is a major cause of graft loss after transplantation. We aimed to determine whether muscle volume is correlated with graft survival after pancreas transplantation (PT). METHODS: Forty-three patients underwent PT for type 1 diabetes mellitus at our institution from August 2001 to May 2016...
June 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29880352/association-of-body-mass-index-and-the-risk-of-new-onset-diabetes-after-kidney-transplantation-a-meta-analysis
#16
S Chang, J Jiang
OBJECTIVE: To comprehensively examine the correlation between body mass index (BMI) and the risk of new-onset diabetes after kidney transplantation (NODAT). METHODS: The electronic databases Pubmed, Embase, and Cochrane Library, updated in December 2016, were searched, and a literature review was conducted as well to identify relevant research studies. With the use of R 3.12 software, the association between BMI and NODAT risk was analyzed by means of a meta-analysis, with the mean differences (MDs) and their 95% confidence intervals (CIs) as effect indexes...
June 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29875100/impaired-nociception-in-the-diabetic-ins2-akita-mouse
#17
Nisha Vastani, Franziska Guenther, Clive Gentry, Amazon L Austin, Aileen J King, Stuart Bevan, David A Andersson
The mechanisms responsible for painful and insensate diabetic neuropathy are not completely understood. Here, we have investigated sensory neuropathy in the Ins2 +/Akita mouse, a hereditary model of diabetes. Akita mice become diabetic soon after weaning, and we show that this is accompanied by an impaired mechanical and thermal nociception and a significant loss of intraepidermal nerve fibers. Electrophysiological investigations of skin-nerve preparations identified a reduced rate of action potential discharge in Ins2 +/Akita mechanonociceptors compared to wildtype littermates, whereas the function of low threshold A-fibers was essentially intact...
June 6, 2018: Diabetes
https://www.readbyqxmd.com/read/29868580/establishment-of-insulin-producing-cells-from-human-embryonic-stem-cells-underhypoxic-condition-for-cell-based-therapy
#18
Piyaporn Rattananinsruang, Chavaboon Dechsukhum, Wilairat Leeanansaksiri
Diabetes mellitus (DM) is a group of diseases characterized by abnormally high levels of glucose in the blood stream. In developing a potential therapy for diabetic patients, pancreatic cells transplantation has drawn great attention. However, the hinder of cell transplantation for diabetes treatment is insufficient sources of insulin-producing cells. Therefore, new cell based therapy need to be developed. In this regard, human embryonic stem cells (hESCs) may serve as good candidates for this based on their capability of differentiation into various cell types...
2018: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/29867981/non-invasive-multiphoton-imaging-of-islets-transplanted-into-the-pinna-of-the-nod-mouse-ear-reveals-the-immediate-effect-of-anti-cd3-treatment-in-autoimmune-diabetes
#19
Robert A Benson, Fabien Garcon, Asha Recino, John R Ferdinand, Menna R Clatworthy, Herman Waldmann, James M Brewer, Klaus Okkenhaug, Anne Cooke, Paul Garside, Maja Wållberg
We present a novel and readily accessible method facilitating cellular time-resolved imaging of transplanted pancreatic islets. Grafting of islets to the mouse ear pinna allows non-invasive, in vivo longitudinal imaging of events in the islets and enables improved acquisition of experimental data and use of fewer experimental animals than is possible using invasive techniques, as the same mouse can be assessed for the presence of islet infiltrating cells before and after immune intervention. We have applied this method to investigating therapeutic protection of beta cells through the well-established use of anti-CD3 injection, and have acquired unprecedented data on the nature and rapidity of the effect on the islet infiltrating T cells...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29863453/diabetes-mellitus-after-pediatric-kidney-transplant
#20
Reham Almardini, Ghazi Salaita, Jawaher Albderat, Katiba Alrabadi, Aghadir Alhadidi, Mahdi Alfarah, Ala' Abu Ruqa'a, Dina Dahabreh
OBJECTIVES: Kidney transplant is the best renal replacement therapy for pediatric patients with end-stage renal disease; however, this procedure is not without complications. A major complication is the development of new-onset diabetes mellitus, which affects the outcomes of transplant in terms of kidney and patient survival. In this study, our objective was to calculate the percentage of pediatric patients who developed new-onset diabetes mellitus or transient hyperglycemia after kidney transplant, compare our data with international data, and discuss the related factors that predispose to diabetes...
June 1, 2018: Experimental and Clinical Transplantation
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