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Gene expression in lymphocytes

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https://www.readbyqxmd.com/read/28434031/fkbp51s-signature-in-peripheral-blood-mononuclear-cells-of-melanoma-patients-as-a-possible-predictive-factor-for-immunotherapy
#1
Simona Romano, Ester Simeone, Anna D'Angelillo, Paolo D'Arrigo, Michele Russo, Mario Capasso, Vito Alessandro Lasorsa, Nicola Zambrano, Paolo A Ascierto, Maria Fiammetta Romano
The inhibitory immune checkpoint PD-L1/PD1 promotes the alternative splicing of the FKBP5 gene, resulting in increased expression of its variant 4 in the peripheral blood mononuclear cells of melanoma patients. The variant 4 transcript is translated into the truncated FKBP51s protein. Given the importance of co-inhibitory signalling in tumour immune escape, here we tested the potential for using FKBP51s expression to predict immunotherapy outcomes. To do this, we immunophenotyped PBMCs from 118 melanoma patients and 77 age- and sex-matched healthy controls...
April 22, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28433719/isolation-and-characterization-of-monocyte-macrophage-from-peripheral-blood-of-half-smooth-tongue-sole-cynoglossus-semilaevis
#2
Zhenxia Sha, Linqing Wang, Luming Sun, Yadong Chen, Yuan Zheng, Mei Xin, Chen Li, Songlin Chen
In the present study, the peripheral blood cells of half smooth tongue sole (Cynoglossus semilaevis) were examined by blood smear under the light microscopy. The proportion of main types of blood cells are as following: erythrocyte occupied the majority (92.3%), followed by thrombocyte (4.15%), granulocyte (1.7%), lymphocyte (1.5%) and monocyte (0.3%), respectively. Meanwhile, the isolation method of monocytes was established, by density gradient centrifugation to isolate mononuclear leukocytes of peripheral blood...
April 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28432527/effects-of-agaricus-blazei-murill-polysaccharide-on-cadmium-poisoning-on-the-mda5-signaling-pathway-and-antioxidant-function-of-chicken-peripheral-blood-lymphocytes
#3
Ai Lv, Ming Ge, Xuequan Hu, Wenjing Liu, Guangxing Li, Ruili Zhang
This experimental study investigated the effect of Agaricus blazei Murill polysaccharide (ABP) on cadmium (Cd) poisoning on the melanoma differentiation-associated gene 5 (MDA5) signaling pathway and antioxidant function of peripheral blood lymphocytes (PBLs) in chickens. The experiments were divided into four groups: 7-day-old chickens with normal saline (0.2 mL single/day), Cd (140 mg/kg), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP(140 mg/kg/day + 0.2 mL ABP). Peripheral blood was collected on the 20th, 40th, and 60th days for each group, and PBLs were separated...
April 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28429995/new-insights-into-the-role-of-dietary-spermine-on-inflammation-immune-function-and-related-signalling-molecules-in-the-thymus-and-spleen-of-piglets
#4
Wei Cao, Xianjian Wu, Gang Jia, Hua Zhao, Xiaoling Chen, Caimei Wu, Jiayong Tang, Jing Wang, Jingyi Cai, Guangmang Liu
This study aimed to determine the effects of dietary spermine supplementation on the inflammatory response and immune function of the thymus and spleen in piglets. Eighty suckling piglets were randomly assigned to receive adequate nutrients supplemented with spermine (0.4 mmol/kg body weight) or restricted nutrient intake supplemented with normal saline for 7 h or 3, 6 and 9 days in pairs. Regardless of treatment time, spermine supplementation decreased (p < 0.05, compared with the controls) the following: (1) tumour necrosis factor α (TNF-α), interleukin (IL)-1β, 2 and 6, and interferon (IFN)-γ levels in serum; (2) gene expression of cluster of differentiation 8 and integrin beta-2 in the thymus and spleen and the lymphocyte function-associated antigen 1 in the thymus; (3) mRNA levels of TNF-α, IL 1β, 2, 6, and 12, IFN-γ and inducible nitric oxide synthase in the thymus and spleen, as well as IL-8 in the spleen; and (4) eukaryotic IF4E-binding protein 1, Janus kinase 2, signal transducer and activator of transcription 3, and nuclear factor-kappa B P65 gene transcriptions in the thymus and spleen...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28428442/combination-of-ibrutinib-and-abt-199-in-diffuse-large-b-cell-lymphoma-and-follicular-lymphoma
#5
Hsu-Ping Kuo, Scott A Ezell, Karl J Schweighofer, Leo Wk Cheung, Sidney Hsieh, Mutiah Apatira, Mint Sirisawad, Karl Eckert, Ssucheng J Hsu, Chun-Te Chen, Darrin M Beaupre, Matthias Versele, Betty Y Chang
Diffuse large B-cell lymphoma (DLBCL) and follicular lymphoma (FL) are the most prevalent B-lymphocyte neoplasms in which abnormal activation of the Bruton's tyrosine kinase (BTK)-mediated B-cell receptor (BCR) signaling pathway contributes to pathogenesis. Ibrutinib is an oral covalent BTK inhibitor that has shown some efficacy in both indications. To improve ibrutinib efficacy through combination therapy, we first investigated differential gene expression in parental and ibrutinib-resistant cell lines to better understand the mechanisms of resistance...
April 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28428277/immune-gene-expression-is-associated-with-genomic-aberrations-in-breast-cancer
#6
Anton Safonov, Tingting Jiang, Giampaolo Bianchini, Balázs Győrffy, Thomas Karn, Christos Hatzis, Lajos Pusztai
The presence of tumor-infiltrating lymphocytes (TIL) is a favorable prognostic factor in breast cancer, but what drives immune infiltration remains unknown. Here we examine if clonal heterogeneity, total mutation load, neoantigen load, copy number variations (CNV), gene- or pathway-level somatic mutations, or germline polymorphisms (SNP) are associated with immune metagene expression in breast cancer subtypes. Thirteen published immune metagenes correlated separately with genomic metrics in the 3 major breast cancer subtypes...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427156/the-effects-of-dleu1-gene-expression-in-burkitt-lymphoma-bl-potential-mechanism-of-chemoimmunotherapy-resistance-in-bl
#7
Sanghoon Lee, Wen Luo, Tishi Shah, Changhong Yin, Timmy O'Connell, Tae-Hoon Chung, Sherrie L Perkins, Rodney R Miles, Janet Ayello, Erin Morris, Lauren Harrison, Carmella van de Ven, Mitchell S Cairo
Following a multivariant analysis we demonstrated that children and adolescents with Burkitt lymphoma (BL) and a 13q14.3 deletion have a significant decrease in event free survival (EFS) despite identical short intensive multi-agent chemotherapy. However, how this deletion in the 13q14.3 region is associated with a significant decrease in EFS in children and adolescents with BL is largely unknown. The gene Deleted in Lymphocytic Leukemia 1 (DLEU1) is located in the region of 13q14.3. Here, we report that DLEU1 expression is implicated in the regulation of BL programmed cell death, cell proliferation, and expression of apoptotic genes in transcription activator-like effector nuclease (TALEN)s-induced DLEU1 knockdown and DLEU1 overexpressing BL cell lines...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426141/melanocortin-2-3-and-4-receptor-gene-expressions-are-downregulated-in-cd8-t-cytotoxic-lymphocytes-and-cd19-b-lymphocytes-in-rheumatoid-arthritis-responding-to-tnf%C3%AE-inhibition
#8
Marlene Andersen, Ivan Nagaev, Michael Kruse Meyer, Olga Nagaeva, Jarl Wikberg, Lucia Mincheva-Nilsson, Grethe Neumann Andersen
Melanocortin signaling in leukocyte subsets elicits anti-inflammatory and immune tolerance inducing effects in animal experimental inflammation. In man, however, the effects of melanocortin signaling in inflammatory conditions have scarcely been examined. We explored the differential reactions of melanocortin 1-5 receptor (MC1-5R) gene expressions in pathogenetic leukocyte subsets in rheumatoid arthritis (RA) to treatment with TNFα inhibitor adalimumab. Seven patients with active RA donated blood at start and at three months treatment...
April 20, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28424451/prognostic-impact-of-notch1-myd88-and-sf3b1-mutations-in-polish-population-of-chronic-lymphocytic-leukemia-patients
#9
Maciej Putowski, Marta Podgórniak, Marta Piróg, Joanna Knap, Joanna Zaleska, Joanna Purkot, Jacek Zawiślak, Ewelina Zakrzewska, Agnieszka Karczmarczyk, Paulina Własiuk, Edyta Subocz, Krzysztof Giannopoulos
INTRODUCTION    Currently available prognostic factors determining the course of chronic lymphocytic leukemia (CLL) are not fully efficient especially for newly diagnosed patients. Investigation of molecular changes may help to clarify the reasons of the heterogeneity of the disease. Apart from already confirmed TP53 mutations, novel lesions: NOTCH1, SF3B1 and MYD88 might represent biomarkers of clinical relevance.  OBJECTIVES    The aim was to evaluate mutational status of NOTCH1, MYD88 and SF3B1 and to compare results with confirmed prognostic factors: ZAP-70, CD38 and IGHV mutation...
April 20, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28424416/loss-of-thyroid-hormone-receptor-interactor-13-inhibits-cell-proliferation-and-survival-in-human-chronic-lymphocytic-leukemia
#10
Keshu Zhou, Wentao Zhang, Qing Zhang, Ruirui Gui, Huifang Zhao, Xiaofei Chai, Yufu Li, Xudong Wei, Yongping Song
BACKGROUND: The genetic regulation of apoptosis and cell proliferation plays a role in the growth of chronic lymphocytic leukemia (CLL), the most common form of leukemia in the Western hemisphere. Although thyroid hormone receptor interactors (TRIPs) are known to play roles in cell cycle, the potential involvement of the novel family member TRIP13 in CLL has not yet been investigated. METHODS: Quantitative PCR (qPCR) was used to detect expression of TRIP13 in 36 CLL patients and 33 healthy donors CD19+ B cells...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422742/multi-omics-study-revealing-the-complexity-and-spatial-heterogeneity-of-tumor-infiltrating-lymphocytes-in-primary-liver-carcinoma
#11
Lijun Shi, Yang Zhang, Lin Feng, Liming Wang, Weiqi Rong, Fan Wu, Jianxiong Wu, Kaitai Zhang, Shujun Cheng
Intratumoral heterogeneity has been revealed in primary liver carcinoma (PLC). However, spatial heterogeneity of tumor-infiltrating lymphocytes (TILs), which reflects one dimension of a tumor's spatial heterogeneity, and the relationship between TIL diversity, local immune response and mutation burden remain unexplored in PLC. Therefore, we performed immune repertoire sequencing, gene expression profiling analysis and whole-exome sequencing in parallel on five regions of each tumor and on matched adjacent normal tissues and peripheral blood from five PLC patients...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420494/molecular-regulation-and-role-of-angiogenesis-in-reproduction
#12
REVIEW
Momchil Rizov, Petya Andreeva, Ivanka Dimova
Angiogenesis is an essential process for proper functioning of the female reproductive system and for successful pregnancy realization. The multitude of factors required for physiological angiogenesis and the complexity of regulation of their temporal-spatial activities contribute to aberrations in human fertilization and pregnancy outcomes. In this study, we reviewed the current knowledge of the temporal expression patterns, functions, and regulatory mechanisms of angiogenic factors during foliculogenesis, early implantation/placentation and embryo development, as well as recurrent spontaneous abortions...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28419545/intermolecular-interactions-between-dm%C3%AE-and-dm%C3%AE-proteins-in-bula-dm-complex-of-water-buffalo-bubalus-bubalis
#13
Leena Rawal, Deepak Panwar, Sher Ali
The major histocompatibility complex (MHC) with its 3 classes represents a cluster of tightly linked genes with defined immunological and non-immunological functions. The DM, a MHC class II molecule is formed by the non-covalent association of DMα and DMβ chains. It binds with the processed peptide antigens and presents them to T lymphocytes, thereby triggering the immune responses. Startlingly, the expression pattern and structural organization of DMα and DMβ proteins in buffalo remains undefined. We isolated and purified the DMα and DMβ proteins from Bubalus bubalis using gel filtration chromatography...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28419519/deletion-of-a-distal-rankl-gene-enhancer-delays-progression-of-atherosclerotic-plaque-calcification-in-hypercholesterolemic-mice
#14
Sohel Shamsuzzaman, Melda Onal, Hillary C St John, J Wesley Pike
Receptor activator of NF-κB ligand (RANKL) is a TNFα-like cytokine which mediates diverse physiological functions including bone remodeling and immune regulation. RANKL has been identified in atherosclerotic lesions; however, its role in atherosclerotic plaque development remains elusive. An enhancer located 75kb upstream of the murine RANKL gene's transcription start site designated D5 is important for its calciotropic hormone- and cytokine-mediated expression. Here, we determined the impact of RANKL levels in atherosclerotic plaque development in the D5 enhancer-null (D5(-/-) ) mice in an atherogenic Apoe(-/-) background fed a high-fat diet (HFD)...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28417018/dna-damage-induced-phosphatase-wip1-in-regulation-of-hematopoiesis-immune-system-and-inflammation
#15
REVIEW
B Uyanik, B B Grigorash, A R Goloudina, O N Demidov
PP2C serine-threonine phosphatase, Wip1, is an important regulator of stress response. Wip1 controls a number of critical cellular functions: proliferation, cell cycle arrest, senescence and programmed cell death, apoptosis or autophagy. Ppm1d, the gene encoding Wip1 phosphatase, is expressed in hematopoietic progenitors, stem cells, neutrophils, macrophages B and T lymphocytes in bone marrow and peripheral blood. The Wip1-/- mice display immunodeficiency, abnormal lymphoid histopathology in thymus and spleen, defects in B- and T-cell differentiation, as well as susceptibility to viral infection...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28416734/the-angiotensin-receptor-blocker-losartan-inhibits-mammary-tumor-development-and-progression-to-invasive-carcinoma
#16
Rhiannon Coulson, Seng H Liew, Angela A Connelly, Nicholas S Yee, Siddhartha Deb, Beena Kumar, Ana C Vargas, Sandra A O'Toole, Adam C Parslow, Ashleigh Poh, Tracy Putoczki, Riley J Morrow, Mariah Alorro, Kyren A Lazarus, Evie F W Yeap, Kelly L Walton, Craig A Harrison, Natalie J Hannan, Amee J George, Colin D Clyne, Matthias Ernst, Andrew M Allen, Ashwini L Chand
Drugs that target the Renin-Angiotensin System (RAS) have recently come into focus for their potential utility as cancer treatments. The use of Angiotensin Receptor Blockers (ARBs) and Angiotensin-Converting Enzyme (ACE) Inhibitors (ACEIs) to manage hypertension in cancer patients is correlated with improved survival outcomes for renal, prostate, breast and small cell lung cancer. Previous studies demonstrate that the Angiotensin Receptor Type I (AT1R) is linked to breast cancer pathogenesis, with unbiased analysis of gene-expression studies identifying significant up-regulation of AGTR1, the gene encoding AT1R in ER+ve/HER2-ve tumors correlating with poor prognosis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412591/baseline-%C3%AE-catenin-programmed-death-ligand-1-expression-and-tumour-infiltrating-lymphocytes-predict-response-and-poor-prognosis-in-braf-inhibitor-treated-melanoma-patients
#17
Daniela Massi, Emanuela Romano, Eliana Rulli, Barbara Merelli, Romina Nassini, Francesco De Logu, Ivan Bieche, Gianna Baroni, Laura Cattaneo, Gongda Xue, Mario Mandalà
BACKGROUND: The activation of oncogenic Wnt/β-catenin pathway in melanoma contributes to a lack of T-cell infiltration. Whether baseline β-catenin expression in the context of tumour-infiltrating lymphocytes (TILs) and programmed death ligand-1 (PD-L1) overexpression correlates with prognosis of metastatic melanoma patients (MMPs) treated with mitogen-activated protein kinase, MAPK inhibitor (MAPKi) monotherapy, however, has not been fully clarified. PATIENTS AND METHODS: Sixty-four pre-treatment formalin-fixed and paraffin embedded melanoma samples from MMP treated with a BRAF inhibitor (n = 39) or BRAF and MEK inhibitors (n = 25) were assessed for presence of β-catenin, PD-L1, cluster of differentiation (CD)8, CD103 and forkhead box protein P3 (FOXP3) expression by immunohistochemistry, and results were correlated with clinical outcome...
April 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28410454/transcriptomic-analysis-of-host-immune-response-in-the-skin-of-chickens-infected-with-marek-s-disease-virus
#18
Mohammad Heidari, Phillip C Delekta
Marek's disease virus (MDV), a highly cell-associated oncogenic α-herpesvirus, is the causative agent of T cell lymphoma and neuropathic disease called Marek's disease. The skin is the only anatomical site where infectious enveloped cell-free virions are produced and shed into the environment. Studies have demonstrated that MDV infection induces immunological responses within the skin, including the release of cytokines and the recruitment of T lymphocytes. The host immune response, however, is not sufficient to block replication and shedding of the virus particles from the skin...
April 14, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28408436/cyclin-d1-overexpression-in-proliferation-centres-of-small-lymphocytic-lymphoma-chronic-lymphocytic-leukaemia
#19
Larissa Sena Teixeira Mendes, Natalie Peters, Ayoma D Attygalle, Andrew Wotherspoon
The recent publication reviewing the updated WHO classification commented on the presence of cyclin D1-positive cells in the proliferation centres (PC) of small lymphocytic lymphoma/chronic lymphocytic leukaemia (SLL/CLL). The figure quoted was 30%, which appeared higher than our experience. To assess cyclin D1 expression in PC of SLL/CLL cases, we performed a review of SLL/CLL cases diagnosed at the Royal Marsden Hospital between 1996 and 2009. Of 105 SLL/CLL cases, 16.2% showed expression of cyclin D1 in PC with none carrying the translocation t(11;14)(q13;q32)...
April 13, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28407684/atorvastatin-inhibits-the-immediate-early-response-gene-egr1-and-improves-the-functional-profile-of-cd4-t-lymphocytes-in-acute-coronary-syndromes
#20
Anna Severino, Chiara Zara, Mara Campioni, Davide Flego, Giulia Angelini, Daniela Pedicino, Ada Francesca Giglio, Francesco Trotta, Simona Giubilato, Vincenzo Pazzano, Claudia Lucci, Antonio Iaconelli, Aureliano Ruggio, Luigi Marzio Biasucci, Filippo Crea, Giovanna Liuzzo
Background- Adaptive immune-response is associated with a worse outcome in acute coronary syndromes. Statins have anti-inflammatory activity beyond lowering lipid levels. We investigated the effects of ex-vivo and in-vivo atorvastatin treatment in acute coronary syndromes on CD4+T-cells, and the underlying molecular mechanisms.Approach and results- Blood samples were collected from 50 statin-naïve acute coronary syndrome patients. We assessed CD4+T-cell activation by flow-cytometry, the expression of 84 T-helper transcription-factors and 84 T-cell related genes by RT-qPCR, and protein expression by Western-blot, before and after 24-hours incubation with increasing doses of atorvastatin: 3-10-26 μg/ml (corresponding to blood levels achieved with doses of 10-40-80 mg, respectively)...
March 14, 2017: Oncotarget
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