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D vitamin lymphoma

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https://www.readbyqxmd.com/read/28941306/influence-of-various-factors-on-circulating-25-oh-vitamin-d-concentrations-in-dogs-with-cancer-and-healthy-dogs
#1
N Weidner, J P Woods, P Conlon, K A Meckling, J L Atkinson, J Bayle, A J Makowski, R L Horst, A Verbrugghe
BACKGROUND: Low blood 25-hydroxyvitamin D (25(OH)D) concentrations have been associated with cancer in dogs. Little research has examined what other factors may affect 25(OH)D concentrations. OBJECTIVES: (1) To determine whether the presence of cancer (lymphoma, osteosarcoma, or mast cell tumor [MCT]) in dogs is associated with plasma 25(OH)D concentrations and (2) identify other factors related to plasma 25(OH)D concentrations in dogs. ANIMALS: Dogs newly diagnosed with osteosarcoma (n = 21), lymphoma (n = 27), and MCT (n = 21) presented to a tertiary referral oncology center, and healthy, client-owned dogs (n = 23)...
September 23, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28878084/human-herpesvirus-8-interleukin-6-interacts-with-calnexin-cycle-components-and-promotes-protein-folding
#2
Daming Chen, Qiwang Xiang, John Nicholas
Viral interleukin-6 (vIL-6) encoded by human herpesvirus 8 (HHV-8) is believed to contribute via mitogenic, survival, and angiogenic activities to HHV-8-associated Kaposi's sarcoma, primary effusion lymphoma (PEL), and multicentric Castleman's disease through autocrine or paracrine mechanisms during latency or productive replication. There is direct evidence that vIL-6 promotes latently infected PEL cell viability and proliferation and also viral productive replication in PEL and endothelial cells. These activities are mediated largely through endoplasmic reticulum (ER)-localized vIL-6, which can induce signal transduction via the gp130 signaling receptor, activating mitogen-activated protein kinase (MAPK) and signal transducer and activator of transcription (STAT) signaling, and interactions of vIL-6 with the ER membrane protein vitamin K epoxide reductase complex subunit 1 variant 2 (VKORC1v2)...
September 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28841207/vitamin-d-insufficiency-is-associated-with-an-increased-risk-of-early-clinical-failure-in-follicular-lymphoma
#3
S I Tracy, M J Maurer, T E Witzig, M T Drake, S M Ansell, G S Nowakowski, C A Thompson, D J Inwards, P B Johnston, I N Micallef, C Allmer, W R Macon, G J Weiner, S L Slager, T M Habermann, B K Link, J R Cerhan
We evaluated whether vitamin D insufficiency (VDI; 25(OH)D <20 ng/ml) was associated with adverse outcomes among follicular lymphoma (FL) patients using an observational prospective cohort study of 642 FL patients enrolled from 2002-2012. The median age at diagnosis was 60 years. At a median follow-up of 59 months, 297 patients (46%) had an event (progression, treatment failure), 78 had died and 42 (6.5%) had a lymphoma-related death. VDI was associated with inferior event-free survival (EFS) at 12 months (EFS12, odds ratio (OR)=2...
August 25, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28806048/electrolytes-calcium-disorders
#4
Craig Barstow
A normal serum calcium level is 8 to 10 mg/dL. The diagnosis of hypercalcemia (ie, levels 10.5 mg/dL or greater) should be confirmed with an albumin-adjusted or ionized calcium level. The two most common causes of hypercalcemia are hyperparathyroidism and malignancy. Drugs, notably lithium and thiazide diuretics, also can cause hypercalcemia. Patients with severe or symptomatic hypercalcemia should be treated initially with hydration to decrease calcium levels. The evaluation should include a parathyroid hormone (PTH) level...
August 2017: FP Essentials
https://www.readbyqxmd.com/read/28765896/1-25-oh-2d3-treatment-attenuates-high-glucose%C3%A2-induced-peritoneal-epithelial-to-mesenchymal-transition-in-mice
#5
Lina Yang, Yi Fan, Xiuli Zhang, Wenyu Huang, Jianfei Ma
It has been previously demonstrated that 1,25(OH)2D3 prevents the progression of epithelial to mesenchymal transition (EMT). However, it remains unclear whether 1,25(OH)2D3 has a role in peritoneal EMT stimulated by high glucose (HG) peritoneal dialysis fluid (PDF). The present study was performed to investigate the role of 1,25(OH)2D3 in the progression of EMT in the peritoneal mesothelium. A total of 35 male Kunming mice were randomly assigned into seven groups. In the control group, no diasylate or saline was infused...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28652651/molecular-mimicry-in-helicobacter-pylori-infections
#6
REVIEW
Magdalena Chmiela, Weronika Gonciarz
Gram-negative bacteria Helicobacter pylori (H. pylori) colonize gastric mucosa in humans and increase the risk of serious diseases such as gastric and duodenal ulcers, stomach cancers and mucosa associated lymphoid tissue lymphoma. The role of H. pylori infection in the pathogenesis of several extragastric diseases has been suggested including immune thrombocytopenic purpura, iron deficiency anemia, vitamin D deficiency, cardiovascular diseases, diabetes mellitus and dermatological disorders. Also neurological diseases and even lung cancer have attracted researchers concern...
June 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28436273/proteome-analysis-of-sheep-b-lymphocytes-in-the-course-of-bovine-leukemia-virus-induced-leukemia
#7
Michal Reichert
Presented are the results of a study of the expression pattern of different proteins in the course of bovine leukemia virus-induced leukemia in experimental sheep and I discuss how the obtained data may be useful in gaining a better understanding of the pathogenesis of the disease, diagnosis, and for the selection of possible therapeutic targets. In cattle, the disease is characterized by life-long persistent lymphocytosis leading to leukemia/lymphoma in about 5% of infected animals. In sheep, as opposed to cattle, the course of the disease is always fatal and clinical symptoms usually occur within a three-year period after infection...
July 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28411165/vitamin-d-and-sj%C3%A3-gren-syndrome
#8
REVIEW
Mario Garcia-Carrasco, Erick Alejandro Jiménez-Herrera, Jose Luis Gálvez-Romero, Luis Vázquez de Lara, Claudia Mendoza-Pinto, Ivet Etchegaray-Morales, Pamela Munguía-Realpozo, Alejandro Ruíz-Argüelles, Rosas Jose, Mauricio Vera-Recabarren, Ricard Cervera
The immunomodulatory effects of vitamin D have been extensively studied in the context of autoimmunity. Multiple studies have demonstrated a high prevalence of vitamin D deficiency in autoimmune diseases. Recently, a possible protective role of vitamin D in autoimmunity has been described; however, this function remains controversial. Few studies have investigated the role of vitamin D in patients with Sjögren syndrome (SS). In this review, we compiled the main features of SS pathogenesis, the vitamin D immunomodulatory effects and the possible interaction between both...
June 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28259972/inhibitory-effects-of-vitamin-e-on-osteocyte-apoptosis-and-dna-oxidative-damage-in-bone-marrow-hemopoietic-cells-at-early-stage-of-steroid-induced-femoral-head-necrosis
#9
Yan-Bo Jia, Dian-Ming Jiang, Yi-Zhong Ren, Zi-Hong Liang, Zhen-Qun Zhao, Yu-Xin Wang
Apoptosis and DNA oxidative damage serve significant roles in the pathogenesis of steroid‑induced femoral head necrosis. Vitamin E demonstrates anti‑apoptotic and anti‑oxidant properties. Therefore, the present study investigated the effects of vitamin E on osteocyte apoptosis and DNA oxidative damage in bone marrow hemopoietic cells at an early stage of steroid‑induced femoral head osteonecrosis. Japanese white rabbits were randomly divided into three groups (steroid, vitamin E‑treated, and control groups), each comprising 12 rabbits...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28199478/evaluation-of-o6-benzylguanine-potentiated-topical-carmustine-for-mycosis-fungoides-a-phase-1-2-clinical-trial
#10
Joselin D Tacastacas, Derek V Chan, Sean Carlson, Stanton L Gerson, Afshin Dowlati, Pingfu Fu, Kurt Lu, Sarah Groft, Julie Rosenjack, Kord Honda, Thomas S McCormick, Kevin D Cooper
Importance: In a phase 1 trial, single-dose O6-benzylguanine with topical carmustine for patients with early stage (stage IA through stage IIA) cutaneous T-cell lymphoma, mycosis fungoides (MF) type, resulted in clinical responses proportional to inhibition of O6-alkylguanine-DNA alkyltransferase activity, but a maximum tolerated dose (MTD) was not reached. Objective: To determine whether dose escalation of carmustine in combination with dual-dose O6-benzylguanine to prolong alkyltransferase inhibition could reach an MTD...
May 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28157213/validation-of-a-vitamin-d-replacement-strategy-in-vitamin-d-insufficient-patients-with-lymphoma-or-chronic-lymphocytic-leukemia
#11
J G Sfeir, M T Drake, B R LaPlant, M J Maurer, B K Link, T J Berndt, T D Shanafelt, J R Cerhan, T M Habermann, A L Feldman, T Witzig
No abstract text is available yet for this article.
February 3, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28001444/vitamin-d-receptor-expression-in-plasmablastic-lymphoma-and-myeloma-cells-confers-susceptibility-to-vitamin-d
#12
Duncan M Gascoyne, Linden Lyne, Hayley Spearman, Francesca M Buffa, Elizabeth J Soilleux, Alison H Banham
Plasmablastic B-cell malignancies include plasmablastic lymphoma and subsets of multiple myeloma and diffuse large B-cell lymphomaDLBCL. These diseases can be difficult to diagnose and treat, and they lack well-characterized cell line models. Here, immunophenotyping and FOXP1 expression profiling identified plasmablastic characteristics in DLBCL cell lines HLY-1 and SU-DHL-9, associated with CTNNAL1, HPGD, RORA, IGF1, and/or vitamin D receptor (VDR) transcription. We demonstrated VDR protein expression in primary plasmablastic tumor cells and confirmed in cell lines expression of both VDR and the metabolic enzyme CYP27B1, which catalyzes active vitamin D3 production...
March 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/27876126/regular-sun-exposure-benefits-health
#13
H J van der Rhee, E de Vries, J W Coebergh
Since it was discovered that UV radiation was the main environmental cause of skin cancer, primary prevention programs have been started. These programs advise to avoid exposure to sunlight. However, the question arises whether sun-shunning behaviour might have an effect on general health. During the last decades new favourable associations between sunlight and disease have been discovered. There is growing observational and experimental evidence that regular exposure to sunlight contributes to the prevention of colon-, breast-, prostate cancer, non-Hodgkin lymphoma, multiple sclerosis, hypertension and diabetes...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27825568/osteoarticular-manifestations-of-celiac-disease-and-non-celiac-gluten-hypersensitivity
#14
Stéphanie Dos Santos, Frédéric Lioté
Celiac disease is a chronic inflammatory autoimmune enteropathy based disorder that is triggered by the ingestion of gluten in genetically susceptible individuals. The global prevalence of 1% to 2% represents only the tip of the iceberg. The diagnosis is confirmed by positive specific antibody, anti-transglutaminase or anti-endomysium, specific lesions of the small intestine and a response to strict gluten-free diet. The diagnosis is difficult and often delayed because the clinical variability is very large, ranging from digestive clinical presentation "classic" to "atypical" symptoms, often extra-intestinal, that are sometimes attributed to a concomitant disease or a complication...
May 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27606438/vitamin-d-receptor-vdr-polymorphisms-in-pediatric-patients-presenting-with-hodgkin-s-lymphoma
#15
Sibel A Tekgündüz, Şule Yeşil, Ayşe C Ören, Hikmet G Tanyildiz, Mehmet O Çandir, Ceyhun Bozkurt, Gürses Şahin
Vitamin D receptor (VDR) polymorphisms are found more commonly in some tumor types than in healthy individuals, suggesting that some polymorphisms (Cdx2, Fok1, Bsm1, Apa1, Taq1) contribute to tumor development. There is no previous report on VDR polymorphism in Hodgkin's lymphoma (HL) patients. VDR polymorphism patterns in 95 pediatric HL cases with 100 healthy controls were compared. No statistically significant difference was found between the patient group and control group in terms of Cdx2, Fok1, Bsm1, Apa1, and Taq1 polymorphisms (P>0...
March 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27588937/vitamin-d-mediated-hypercalcemia-mechanisms-diagnosis-and-treatment
#16
REVIEW
Peter J Tebben, Ravinder J Singh, Rajiv Kumar
Hypercalcemia occurs in up to 4% of the population in association with malignancy, primary hyperparathyroidism, ingestion of excessive calcium and/or vitamin D, ectopic production of 1,25-dihydroxyvitamin D [1,25(OH)2D], and impaired degradation of 1,25(OH)2D. The ingestion of excessive amounts of vitamin D3 (or vitamin D2) results in hypercalcemia and hypercalciuria due to the formation of supraphysiological amounts of 25-hydroxyvitamin D [25(OH)D] that bind to the vitamin D receptor, albeit with lower affinity than the active form of the vitamin, 1,25(OH)2D, and the formation of 5,6-trans 25(OH)D, which binds to the vitamin D receptor more tightly than 25(OH)D...
October 2016: Endocrine Reviews
https://www.readbyqxmd.com/read/27430408/vitamin-d-induces-autophagy-of-pancreatic-%C3%AE-cells-and-enhances-insulin-secretion
#17
Yubin Wang, Dawei He, Chengpei Ni, Huiying Zhou, Shuyan Wu, Zhimou Xue, Zhengyu Zhou
Epidemiological evidence indicates that vitamin D is involved in defense against diabetes; however, the precise underlying mechanism remains to be elucidated. In the present study, the effect of vitamin D on the pathogenesis of diabetes was investigated, with an emphasis on its direct effect on pancreatic β‑cells. A streptozotocin (STZ)‑induced type 1 diabetes mellitus (T1DM) mouse model and MIN6 mouse insulinoma β‑cells were subjected to vitamin D treatment. Histopathological analysis of pancreatic islets was performed to investigate insulitis, and reverse transcription-quantitative polymerase chain reaction and western blotting were used to determine the mRNA and protein expression levels of markers of autophagy [microtubule-associated protein 1A/1B‑light chain 3 (LC3) and Beclin 1] and regulation of apoptosis [B-cell lymphoma 2 (Bcl-2)]...
September 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27067393/the-effect-of-topical-diclofenac-3-and-calcitriol-3%C3%A2-%C3%AE-g-g-on-superficial-basal-cell-carcinoma-sbcc-and-nodular-basal-cell-carcinoma-nbcc-a-phase-ii-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Tjinta Brinkhuizen, Kiki J A Frencken, Patty J Nelemans, Marlou L S Hoff, Nicole W J Kelleners-Smeets, Axel Zur Hausen, Michiel P J van der Horst, Dorit Rennspiess, Véronique J L Winnepenninckx, Maurice A M van Steensel, Klara Mosterd
BACKGROUND: Nonsteroidal anti-inflammatory drugs and vitamin-D derivatives can target signaling pathways activated in basal cell carcinoma (BCC). OBJECTIVE: We investigated the efficacy of topically applied diclofenac sodium 3% gel, calcitriol 3 μg/g ointment, and a combination of both in superficial BCC (sBCC) and nodular BCC. METHODS: Patients with a primary, histologically proven sBCC (n = 64) or nodular BCC (n = 64) were randomized to topical diclofenac, calcitriol, combination of both, or no topical treatment (control group)...
July 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27023968/normal-vitamin-d-level-impacts-lymphoma-outcomes
#19
(no author information available yet)
No abstract text is available yet for this article.
March 2010: Mayo Clinic Health Letter
https://www.readbyqxmd.com/read/26872557/season-of-diagnosis-is-associated-with-overall-survival-in-patients-with-diffuse-large-b-cell-lymphoma-but-not-with-hodgkin-s-lymphoma-a-population-based-swedish-lymphoma-register-study
#20
Elisabeth Székely, Ola Lindén, Stefan Peterson, Mats Jerkeman
OBJECTIVE AND METHODS: The aim of this study was to investigate the effect of season of diagnosis on the outcome of patients with diffuse large B-cell lymphoma (DLBCL) and Hodgkin lymphoma (HL). In this study, we included curatively treated DLBCL (n = 5875) and HL (n = 1693) patients, diagnosed between 2000 and 2011, based on data from the Swedish Lymphoma Register. RESULTS: Overall survival was significantly better for patients diagnosed with DLBCL during the summer months, but not for patients diagnosed with HL...
October 2016: European Journal of Haematology
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