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https://www.readbyqxmd.com/read/29138816/protective-effects-of-fucoidan-against-hyperoxic-lung-injury-via-the-erk-signaling-pathway
#1
Minghao Nie, Yan Wang, Yanhong Lu, Ying Yuan, Yingying Liu, Xiurong Li
High oxygen mechanical ventilation is widely used to treat various lung diseases; however, it may result in hyperoxia, which induces inflammation and lung injury. Fucoidan is an extract of the seaweed Fucus vesiculosus, which has previously been reported to exert effects against diabetic nephropathy. The present study is the first, to the best of our knowledge, to investigate the protective effects of fucoidan against hyperoxic lung injury. Balb/c mice were ventilated with 100% oxygen, with or without the atomization inhalation of fucoidan, for 36 h...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137012/the-relationship-between-neutrophil-to-lymphocyte-ratio-and-diabetic-peripheral-neuropathy-in-type-2-diabetes-mellitus
#2
Tingting Xu, Zihua Weng, Chu Pei, Siyuan Yu, Yating Chen, Wenjie Guo, Xingzuo Wang, Peng Luo, Jia Sun
To explore the relationship between neutrophil-to-lymphocyte ratio (NLR) and diabetic peripheral neuropathy (DPN) in type 2 diabetes mellitus.A total of 557 newly diagnosed Type 2 Diabetes Mellitus (T2DM) patients were recruited, including 397 T2DM patients without complication (DM group) as well as 160 T2DM patients complicated with DPN (DPN group). Student t test, Mann-Whitney U test, or χ test was applied to the data of the 2 groups, including the levels of neutrophils and lymphocytes as well as the NLR values of peripheral blood and other biochemistry indexes; Pearson correlation analysis was used to calculate the correlation of NLR and detected factors; risk factors of DPN were estimated via logistic regression analysis and multivariate analysis...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136677/thymus-growth-and-fetal-immune-responses-in-diabetic-pregnancies
#3
Katharina Warncke, Ramona Lickert, Stephanie Eitel, Karl-Philipp Gloning, Ezio Bonifacio, Eva-Maria Sedlmeier, Petra Becker, Jan Knoop, Andreas Beyerlein, Anette-Gabriele Ziegler
Type 1 diabetes (T1D) during pregnancy possibly affects the development of the thymus and the maturation of the immune system in the offspring. The aim of the ImmunDiabRisk study was to investigate thymus growth and maternal and fetal immune responses in pregnancies with and without T1D. The thymus circumferences of the fetuses of pregnant women with T1D (n=49) and without diabetes (n=59) were measured using ultrasound around the 29th gestational week and standardized for gestational age. Simultaneously, the frequencies and total numbers of cell markers were analyzed by flow cytometry in maternal peripheral blood, and at birth in umbilical cord blood...
November 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29128846/tissue-adhesive-fk506-loaded-polymeric-nanoparticles-for-multi-layered-nano-shielding-of-pancreatic-islets-to-enhance-xenograft-survival-in-a-diabetic-mouse-model
#4
Tung Thanh Pham, Tiep Tien Nguyen, Shiva Pathak, Shobha Regmi, Hanh Thuy Nguyen, Tuan Hiep Tran, Chul Soon Yong, Jong Oh Kim, Pil-Hoon Park, Min Hui Park, Young Kyung Bae, Jeong Uk Choi, Youngro Byun, Cheol-Hee Ahn, Simmyung Yook, Jee-Heon Jeong
This study aims to develop a novel surface modification technology to prolong the survival time of pancreatic islets in a xenogenic transplantation model, using 3,4-dihydroxyphenethylamine (DOPA) conjugated poly(lactide-co-glycolide)-poly(ethylene glycol) (PLGA-PEG) nanoparticles (DOPA-NPs) carrying immunosuppressant FK506 (FK506/DOPA-NPs). The functionalized DOPA-NPs formed a versatile coating layer for antigen camouflage without interfering the viability and functionality of islets. The coating layer effectively preserved the morphology and viability of islets in a co-culture condition with xenogenic lymphocytes for 7 days...
November 1, 2017: Biomaterials
https://www.readbyqxmd.com/read/29125137/red-blood-cell-distribution-width-relative-lymphocyte-count-and-type-2-diabetes-mellitus-predict-all-cause-mortality-in-patients-with-advanced-heart-failure
#5
Bożena Szyguła-Jurkiewicz, Łukasz Siedlecki, Łukasz Pyka, Ewa Romuk, Piotr Przybyłowski, Mariusz Gąsior
INTRODUCTION    Early identification of patients with advanced heart failure (HF) who are at a higher risk for poor outcome is an important element of patient management, both from the medical and the economic point of view. OBJECTIVES    In the present study, we sought to determine the association between hematologic parameters assessed on admission and within the 3-year mortality period in patients consecutively admitted with advanced HF.  We also investigated the association between baseline demographic and clinical data and mortality...
November 9, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29118259/matrix-binding-checkpoint-immunotherapies-enhance-antitumor-efficacy-and-reduce-adverse-events
#6
Jun Ishihara, Kazuto Fukunaga, Ako Ishihara, Hans M Larsson, Lambert Potin, Peyman Hosseinchi, Gabriele Galliverti, Melody A Swartz, Jeffrey A Hubbell
Immune checkpoint blockade exhibits considerable antitumor activity, but previous studies have reported instances of severe treatment-related adverse events. We sought to explore local immune checkpoint blockade, with an antibody (Ab) form that would be retained intra- or peritumorally, limiting systemic exposure. To accomplish this, we conjugated the checkpoint blockade Abs to an extracellular matrix (ECM)-super-affinity peptide derived from placenta growth factor-2 (PlGF-2123-144). We show enhanced tissue retention and lower Ab concentrations in blood plasma after PlGF-2123-144 conjugation, reducing systemic side effects such as the risk of autoimmune diabetes...
November 8, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29098499/functional-role-of-natural-killer-t-cells-in-non-obese-pre-diabetes-model-mice
#7
Mikako Saito, Misako Kaburagi, Keiko Otokuni, Genu Takahashi
Pre-diabetic patients have a high risk of developing diabetes as well as other associated diseases. From the viewpoint of risk assessment and to assist the development of protective therapies, we focused on the functional role of natural killer T (NKT) cells in pre-diabetes. We found that the expression of an NKT cell marker gene, Va14-Ja18, was significantly lower in specific tissues/organs such as adipose tissue and pancreas in non-obese pre-diabetes model mice than in their normal littermates. Subsequently, in the pre-diabetes model mice, Va14-Ja18 was activated with α-galactosylceramide (α-GalCer) and its effect on glucose tolerance was estimated...
November 2, 2017: Cytotechnology
https://www.readbyqxmd.com/read/29097999/clostridium-butyricum-cgmcc0313-1-protects-against-autoimmune-diabetes-by-modulating-intestinal-immune-homeostasis-and-inducing-pancreatic-regulatory-t-cells
#8
Lingling Jia, Kai Shan, Li-Long Pan, Ninghan Feng, Zhuwu Lv, Yajun Sun, Jiahong Li, Chengfei Wu, Hao Zhang, Wei Chen, Julien Diana, Jia Sun, Yong Q Chen
Recent evidence indicates that indigenous Clostridium species induce colonic regulatory T cells (Tregs), and gut lymphocytes are able to migrate to pancreatic islets in an inflammatory environment. Thus, we speculate that supplementation with the well-characterized probiotics Clostridium butyricum CGMCC0313.1 (CB0313.1) may induce pancreatic Tregs and consequently inhibit the diabetes incidence in non-obese diabetic (NOD) mice. CB0313.1 was administered daily to female NOD mice from 3 to 45 weeks of age. The control group received an equal volume of sterile water...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29091912/diabetes-mellitus-increases-the-susceptibility-to-encephalitozoonosis-in-mice
#9
Aldo Francisco Neto, Paulo Ricardo Dell'Armelina Rocha, Elizabeth Christina Perez, José Guilherme Xavier, Giovani Bravin Peres, Diva Denelle Spadacci-Morena, Anuska Marcelino Alvares-Saraiva, Maria Anete Lallo
Microsporidiosis are diseases caused by opportunistic intracellular fungi in immunosuppressed individuals, as well as in transplanted patients, the elderly and children, among others. Diabetes mellitus (DM) is a metabolic disease characterized by hyperglycemia and decreased T cell response, neutrophil function, humoral immunity failure, increasing the susceptibility to infections. Here, we investigated the susceptibility of streptozotocin (STZ)-induced type I diabetic and/or immunosuppressed mice to encephalitozoonosis by Encephalitozoon cuniculi...
2017: PloS One
https://www.readbyqxmd.com/read/29091887/in-vitro-and-in-vivo-immunomodulatory-potential-of-pedicularis-longiflora-and-allium-carolinianum-in-alloxan-induced-diabetes-in-rats
#10
Mohd Iqbal Yatoo, Umesh Dimri, Arumugam Gopalakrishnan, Archana Saxena, Sarfaraz Ahmad Wani, Kuldeep Dhama
Pedicularis longiflora Rudolph (Orobanchaceae) and Allium carolinianum Linn (Alliaceae) are two important medicinal plants found in trans-Himalayan Changthang. The immunomodulatory potential of these plants has not been explored. In the present study, we evaluated the in vitro and in vivo immunomodulatory potential of P. longiflora and A. carolinianum in alloxan-induced diabetes in Wistar rats. The ethanol extracts of the aerial parts of P. longiflora and whole plant parts of A. carolinianum were used for studying the in vitro immunomodulatory activity using lymphocyte stimulation and cytokine release assays...
October 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29075262/clinical-tolerogenic-dendritic-cells-exploring-therapeutic-impact-on-human-autoimmune-disease
#11
REVIEW
Brett Eugene Phillips, Yesica Garciafigueroa, Massimo Trucco, Nick Giannoukakis
Tolerogenic dendritic cell (tDC)-based clinical trials for the treatment of autoimmune diseases are now a reality. Clinical trials are currently exploring the effectiveness of tDC to treat autoimmune diseases of type 1 diabetes mellitus, rheumatoid arthritis, multiple sclerosis (MS), and Crohn's disease. This review will address tDC employed in current clinical trials, focusing on cell characteristics, mechanisms of action, and clinical findings. To date, the publicly reported human trials using tDC indicate that regulatory lymphocytes (largely Foxp3+ T-regulatory cell and, in one trial, B-regulatory cells) are, for the most part, increased in frequency in the circulation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29073286/differential-adipokine-receptor-expression-on-circulating-leukocyte-subsets-in-lean-and-obese-children
#12
Genoveva Keustermans, Laila B van der Heijden, Berlinda Boer, Rianne Scholman, Roos Nuboer, Gerard Pasterkamp, Berent Prakken, Wilco de Jager, Eric Kalkhoven, Arieke J Janse, Henk S Schipper
BACKGROUND: Childhood obesity prevalence has increased worldwide and is an important risk factor for type 2 diabetes (T2D) and cardiovascular disease (CVD). The production of inflammatory adipokines by obese adipose tissue contributes to the development of T2D and CVD. While levels of circulating adipokines such as adiponectin and leptin have been established in obese children and adults, the expression of adiponectin and leptin receptors on circulating immune cells can modulate adipokine signalling, but has not been studied so far...
2017: PloS One
https://www.readbyqxmd.com/read/29070459/-neutrophil-to-lymphocyte-ratio-as-a-predictor-for-type-2-diabetes-mellitus-in-patients-with-chronic-obstructive-pulmonary-disease-a-cohort-study-of-404-cases
#13
Tao Ye, Yin Yang, Kai Wang, Mei Wang, Jia Sun, Yue DU, Xin Chen
OBJECTIVE: To assess the value of neutrophil?to?lymphocyte ratio (NLR) for predicting type 2 diabetes mellitus (T2DM) in patients with chronic obstructive pulmonary disease (COPD). METHODS: A cohort of 404 non?diabetic patients diagnosed with stable COPD between January, 2010 and December, 2012 at Zhujiang Hospital were enrolled and followed up for 3 years, during which fast blood glucose (FBG) was monitored every 6 months. The primary endpoint was the occurrence of T2DM, and the cumulative incidence of T2DM in this cohort was calculated...
October 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29067979/peripheral-blood-mononuclear-cells-of-patients-with-latent-autoimmune-diabetes-secrete-higher-levels-of-pro-anti-inflammatory-cytokines-compared-to-those-with-type-1-diabetes-mellitus-following-in-vitro-stimulation-with-%C3%AE-cell-autoantigens
#14
Darshan Badal, Rajendra Kumar, Mahinder Paul, Devi Dayal, Anil Bhansali, Sanjay Kumar Bhadada, Rajesh Kumar, Naresh Sachdeva
BACKGROUND & OBJECTIVES: Type-1 diabetes mellitus (T1DM) and latent autoimmune diabetes in adults (LADA) share similar pathological features but differ in age of onset and progression. There is a scarcity of information on differences in CD4+ T-cell responses, particularly, cytokine secretion, between the two forms of autoimmune diabetes. Here proliferative potential and concentration of pro- and anti-inflammatory cytokines secreted by peripheral blood mononuclear cells (PBMCs) of T1DM and LADA patients were compared, after in vitro stimulation with β-cell autoantigens...
June 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29055002/transient-baff-blockade-inhibits-type-1-diabetes-development-in-nonobese-diabetic-mice-by-enriching-immunoregulatory-b-lymphocytes-sensitive-to-deletion-by-anti-cd20-cotherapy
#15
Qiming Wang, Jeremy J Racine, Jeremy J Ratiu, Shu Wang, Rachel Ettinger, Clive Wasserfall, Mark A Atkinson, David V Serreze
In NOD mice and also likely humans, B lymphocytes play an important role as APC-expanding autoreactive T cell responses ultimately causing type 1 diabetes (T1D). Currently, humans at high future T1D risk can only be identified at late prodromal stages of disease indicated by markers such as insulin autoantibodies. When commenced in already insulin autoantibody(+) NOD mice, continuous BAFFR-Fc treatment alone or in combination with anti-CD20 (designated combo therapy) inhibited T1D development. Despite eliciting broader B lymphocyte depletion, continuous combo therapy afforded no greater T1D protection than did BAFFR-Fc alone...
October 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29025893/disease-specific-biases-in-alternative-splicing-and-tissue-specific-dysregulation-revealed-by-multitissue-profiling-of-lymphocyte-gene-expression-in-type-1-diabetes
#16
Jeremy R B Newman, Ana Conesa, Matthew Mika, Felicia N New, Suna Onengut-Gumuscu, Mark A Atkinson, Stephen S Rich, Lauren M McIntyre, Patrick Concannon
Genome-wide association studies (GWAS) have identified multiple, shared allelic associations with many autoimmune diseases. However, the pathogenic contributions of variants residing in risk loci remain unresolved. The location of the majority of shared disease-associated variants in noncoding regions suggests they contribute to risk of autoimmunity through effects on gene expression in the immune system. In the current study, we test this hypothesis by applying RNA sequencing to CD4(+), CD8(+), and CD19(+) lymphocyte populations isolated from 81 subjects with type 1 diabetes (T1D)...
November 2017: Genome Research
https://www.readbyqxmd.com/read/29025857/endocrine-side-effects-of-cancer-immunotherapy
#17
REVIEW
Priscilla Cukier, Fernando C Santini, Mariana Scaranti, Ana O Hoff
Immune checkpoint inhibitors have recently become a cornerstone for the treatment of different advanced cancers. These drugs, represented mainly by monoclonal antibodies anti-cytotoxic T-lymphocyte antigen 4 (CTLA-4), anti-programmed cell death protein-1 (PD-1) and anti-PD-1 ligand molecules (PD-L1 and L2), have the ability to reactivate the immune system against tumor cells, but can also trigger a myriad of autoimmune side effects, termed immune-related adverse events (irAEs). In particular, there are a number of endocrine-related irAEs...
December 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28992267/white-blood-cell-fractions-correlate-with-lesions-of-diabetic-kidney-disease-and-predict-loss-of-kidney-function-in-type-2-diabetes
#18
Kevin M Wheelock, Pierre-Jean Saulnier, Stephanie K Tanamas, Pavithra Vijayakumar, E Jennifer Weil, Helen C Looker, Robert L Hanson, Kevin V Lemley, Berne Yee, William C Knowler, Samy Hadjadj, Bezhad Najafian, Michael Mauer, Robert G Nelson
Background: Inflammation linked to diabetic kidney disease (DKD) may affect white blood cell (WBC) counts and differentials. We examined the cross-sectional associations of total WBC count and WBC fractions with structural lesions of DKD in 108 Pima Indians with Type 2 diabetes who underwent research kidney biopsies. We also examined the longitudinal association of these WBC variables with renal function loss (RFL) in 941 Europeans with Type 2 diabetes from the SURDIAGENE study. Methods: Associations of WBC variables with morphometric parameters were assessed by linear regression...
July 18, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28988715/self-transducible-bimodal-pdx1-foxp3-protein-lifts-insulin-secretion-and-curbs-autoimmunity-boosting-tregs-in-type-1-diabetic-mice
#19
Christina Amatya, Ilian A Radichev, Jacob Ellefson, Mark Williams, Alexei Y Savinov
Type 1 diabetes (T1D) is characterized by massive destruction of insulin-producing β cells by autoreactive T lymphocytes, arising via defective immune tolerance. Therefore, effective anti-T1D therapeutics should combine autoimmunity-preventing and insulin production-restoring properties. We constructed a cell-permeable PDX1-FOXP3-TAT fusion protein (FP) composed of two transcription factors: forkhead box P3 (FOXP3), the master regulator of differentiation and functioning of self-tolerance-promoting Tregs, and pancreatic duodenal homeobox-1 (PDX1), the crucial factor supporting β cell development and maintenance...
September 7, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28986401/activation-of-cd4-and-cd8-t-lymphocytes-by-insulin-and-gad-in-patients-with-type-1-or-2-diabetes-mellitus
#20
Borros Arneth
BACKGROUND: The origin of autoimmune disease type 1 diabetes is still unknown. AIM: This study assessed the activation of CD4+ and CD8+ T-lymphocytes by human insulin and human glutamate decarboxylase (GAD) in patients with type 1 or type 2 diabetes mellitus (DM) and healthy volunteers. MATERIALS AND METHODS: The expression of CD69, a marker of T-lymphocyte activity, was determined in whole blood samples by flow cytometry after 12 h of incubation with or without insulin or GAD...
November 2017: Endocrine Connections
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