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https://www.readbyqxmd.com/read/28526681/adoptive-transfer-of-phosphoantigen-specific-%C3%AE-%C3%AE-t-cell-subset-attenuates-mycobacterium-tuberculosis-infection-in-nonhuman-primates
#1
Arwa Qaqish, Dan Huang, Crystal Y Chen, Zhuoran Zhang, Richard Wang, Shengpu Li, Enzhuoa Yang, Yang Lu, Michelle H Larsen, William R Jacobs, Lixia Qian, James Frencher, Ling Shen, Zheng W Chen
The dominant Vγ2Vδ2 T cell subset recognizes phosphoantigen and exists only in humans and nonhuman primates. Despite the discovery of γδ T cells >30 y ago, a proof-of-concept study has not been done to prove the principle that the Vγ2Vδ2 T cell subset is protective against Mycobacterium tuberculosis and other infections. In this study, we used an adoptive cell-transfer strategy to define the protective role of Vγ2Vδ2 T cells in a primate tuberculosis (TB) model. Vγ2Vδ2 T cells for adoptive transfer displayed central/effector memory and mounted effector functions, including the production of anti-M...
May 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28526442/comparative-study-of-interleukin-17c-il-17c-and-il-17d-in-large-yellow-croaker-larimichthys-crocea-reveals-their-similar-but-differential-functional-activity
#2
Yang Ding, Jingqun Ao, Xinhua Chen
Interleukin 17 (IL-17) family members are key players in regulating the immune response in mammals. Here, we identified the IL-17C and IL-17D homologs from large yellow croaker (Larimichthys crocea), named LcIL-17C and LcIL-17D, respectively. The deduced LcIL-17C and LcIL-17D proteins possessed the typical IL-17 domain and shared a conserved arrangement of eight cysteine residues. Both LcIL-17C and LcIL-17Dc genes were constitutively expressed in all tissues examined, although at different levels. After challenge with Aeromonas hydrophila, the expression of LcIL-17C and LcIL-17D was significantly increased in gills, head kidney, and spleen...
May 16, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28510806/role-of-core-needle-biopsy-in-primary-breast-lymphoma
#3
Giulia Bicchierai, Luigi Rigacci, Vittorio Miele, Icro Meattini, Diego De Benedetto, Valeria Selvi, Simonetta Bianchi, Lorenzo Livi, Jacopo Nori
Primary breast lymphoma (PBL) may mimic carcinoma clinically and also mammographic and ecographic distinction is subtle. Despite its rarity, incidence of PBLs has increased over the last four decades and continues to increase for younger women and for some subtypes, and for this reason it is increasingly important to achieve a preoperative pathological diagnosis using core needle biopsy (CNB) or fine-needle aspiration cytology (FNA). The aim of this retrospective study was to report our single-center experience in CNBs performed for histological diagnosis of PBL compared to FNA...
May 16, 2017: La Radiologia Medica
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
#4
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/28408386/increased-pd-1-and-tim-3-tils-during-cetuximab-therapy-inversely-correlate-with-response-in-head-and-neck-cancer-patients
#5
Hyun-Bae Jie, Raghvendra M Srivastava, Athanassios Argiris, Julie E Bauman, Lawrence P Kane, Robert L Ferris
Despite emerging appreciation for the important role of immune checkpoint receptors in regulating the effector functions of T cells, it is unknown whether their expression is involved in determining the clinical outcome in response to cetuximab therapy. We examined the expression patterns of immune checkpoint receptors (including PD-1, CTLA-4, and TIM-3) and cytolytic molecules (including granzyme B and perforin) of CD8(+) tumor-infiltrating lymphocytes (TIL) and compared them with those of peripheral blood T lymphocytes (PBL) in patients with head and neck cancer (HNSCC) during cetuximab therapy...
May 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28408239/protective-responses-of-two-paralogs-of-granulocyte-colony-stimulating-factor-gcsf-in-rock-bream-oplegnathus-fasciatus-during-bacterial-and-viral-infection
#6
Joseph Jeswin, Ji-Min Jeong, Jae-Dong Shim, Jin-Sol Bae, Chan-Il Park
Granulocyte colony stimulating factor (GCSF) has a key role in the production of neutrophilic granulocytes during normal hematopoietic development and release of neutrophils into the blood circulation. In this study we have identified and characterized two paralogs of GCSF (RbGCSF) in rock bream. Although RbGCSF-1 and RbGCSF-2 share low sequence conservation, its domains and protein structure still share significant similarity. Basal levels of RbGCSF-1 gene expression was high in peripheral blood leukocytes (PBLs), spleen and intestine whereas the RbGCSF-2 was highly expressed in PBLs and kidney, of healthy animals...
April 10, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28399576/local-tumor-control-and-dna-pk-activity-of-peripheral-blood-lymphocytes-in-prostate-cancer-patients-receiving-radiotherapy
#7
Masanori Someya, Tomokazu Hasegawa, Masakazu Hori, Yoshihisa Matsumoto, Kensei Nakata, Naoya Masumori, Koh-Ichi Sakata
Repair of DNA damage is critical for genomic stability, and DNA-dependent protein kinase (DNA-PK) has an important role in repairing double-strand breaks. We examined whether the DNA-PK activity of peripheral blood lymphocytes (PBLs) was related to biochemical (prostate-specific antigen: PSA) relapse and radiation toxicity in prostate cancer patients who have received radiotherapy. A total of 69 patients with localized adenocarcinoma of the prostate participated in this study. Peripheral blood was collected 2 years or later after radiotherapy and centrifuged, then DNA-PK activity was measured by a filter binding assay...
March 1, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28377270/expression-and-functional-characterization-of-vitronectin-gene-from-japanese-flounder-paralichthys-olivaceus
#8
Shuo Li, Gaixiang Hao, Weijiao Peng, Xuyun Geng, Jinsheng Sun
Vitronectin (Vtn) is a multifunctional protein that plays significant roles in cell adhesion, migration, spreading and survival, and in the regulation of membrane attack complex formation and the terminal pathway of complement activation in innate immune response. However, the expression and immune significance of Vtn in fish remains largely unknown. In order to understand the involvement of Vtn in fish innate immune response, here we cloned and characterized a full-length Vtn ortholog cDNA, termed PoVtn, from Japanese flounder Paralichthys olivaceus...
April 1, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28374070/knockdown-of-microrna-17-5p-ameliorates-atherosclerotic-lesions-in-apoe-mice-and-restores-the-expression-of-very-low-density-lipoprotein-receptor
#9
Lili Tan, Liang Meng, Xiaojing Shi, Bo Yu
OBJECTIVE: To propose and verify a hypothesis that miR-17-5p knockdown may mitigate atherosclerotic lesions using atherosclerotic ApoE(-/-) mice as serum microRNA-17-5p (miR-17-5p) is elevated in patients with atherosclerosis. RESULTS: The level of miR-17-5p was higher while the level of very low density lipoprotein receptor (VLDLR), a predicted target of miR-17-5p, was lower in the peripheral blood lymphocytes (PBLs) of atherosclerosis patients as compared with control PBLs...
April 3, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28367424/adipose-derived-stem-cells-exert-immunomodulatory-effects-on-natural-killer-cells-in-breast-cancer
#10
Behdokht Bahrami, Ahmad Hosseini, Abdol-Rasoul Talei, Abbas Ghaderi, Mahboobeh Razmkhah
OBJECTIVE: Adipose derived stem cells (ASCs), as one of the important stromal cells in the tumor microenvironment, are determined with immunomodulatory effects. The principle aim of this study was to evaluate the immunosuppressive effects of ASCs on natural killer (NK) cells. MATERIALS AND METHODS: In this experimental study, we assessed the expressions of indolamine 2, 3-dioxygenase (IDO1), IDO2 and human leukocyte antigen-G5 (HLA-G5) in ASCs isolated from breast cancer patients with different stages as well as normal individuals, using quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR)...
April 2017: Cell Journal
https://www.readbyqxmd.com/read/28359942/production-characterization-and-application-of-monoclonal-antibody-against-immunoglobulin-d-heavy-chain-of-flounder-paralichthys-olivaceus
#11
Xiaoqian Tang, Fuguo Liu, Xiuzhen Sheng, Jing Xing, Wenbin Zhan
Immunoglobulin D (IgD) is considered to be an enigmatic Ig molecule because of the lack understanding of its immunological functions. In the present study, a partial δ region of the flounder IgD was recombinantly expressed, purified and used as an immunogen to produce monoclonal antibodies (MAbs) against the H chain of flounder IgD. After fusion, a total of 97 hybridomas were generated and observed under an inverted microscope One of the hybridomas, designated 5G7, gave strong positive results in an indirect enzyme-linked immunosorbent assay (ELISA) and was cloned and subcloned by limiting dilution...
May 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28349481/utilizing-lentiviral-gene-transfer-in-primary-endothelial-cells-to-assess-lymphocyte-endothelial-interactions
#12
Jasmeet S Reyat, Michael G Tomlinson, Peter J Noy
A major impediment when studying primary human endothelial cell function is the resistance of these cells to gene transfer. Here we describe methods for transferring genes into primary endothelial cells prior to incorporation into a static adhesion assay to analyze the adhesion and migration of isolated lymphocytes. Human embryonic kidney (HEK)-293T (HEK-293 cells expressing the large T-antigen of simian virus 40) cells are initially transfected with plasmids containing the lentiviral packaging and envelope genes and the target sequence, such as a gene of interest or short hairpin loop RNA (shRNA)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324041/line1-cpg-dna-hypomethylation-in-granulosa-cells-and-blood-leukocytes-is-associated-with-pcos-and-related-traits
#13
Pooja Sagvekar, Vijay Mangoli, Sadhana Desai, Anushree Patil, Srabani Mukherjee
Context: Altered global DNA methylation is indicative of epigenomic instability concerning chronic diseases. Investigating its incidence and association with polycystic ovary syndrome (PCOS) is essential to understand the etiopathogenesis of this disorder. Objectives: We assessed global DNA methylation differences in peripheral blood leukocytes (PBLs) and cumulus granulosa cells (CGCs) of controls and women with PCOS; and their association with PCOS and its traits...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28291710/measurement-of-dna-damage-in-peripheral-blood-by-the-%C3%AE-h2ax-assay-as-predictor-of-colorectal-cancer-risk
#14
Lina Zhao, David W Chang, Yilei Gong, Cathy Eng, Xifeng Wu
The detection of γ-H2AX focus is one of the most sensitive ways to monitor DNA double-strand breaks (DSBs). Although changes in γ-H2AX activity have been studied in tumor cells in colorectal cancer (CRC), changes in peripheral blood lymphocytes (PBLs) have not been examined previously. We hypothesize that higher levels of irradiation-induced γ-H2AX in PBLs may be associated with an elevated risk of colorectal cancer (CRC). In a case-control study, the baseline and ionizing radiation (IR)-induced γ-H2AX levels in PBLs from frequency-matched 320 untreated CRC patients and 320 controls were detected by a laser scanning cytometer-based immunocytochemical method...
March 6, 2017: DNA Repair
https://www.readbyqxmd.com/read/28283953/the-effects-of-agaricus-blazei-murill-polysaccharides-on-cadmium-induced-apoptosis-and-the-tlr4-signaling-pathway-of-peripheral-blood-lymphocytes-in-chicken
#15
Wenjing Liu, Ming Ge, Xuequan Hu, Ai Lv, Dexing Ma, Xiaodan Huang, Ruili Zhang
In this study, we investigated the effects of Agaricus blazei Murill polysaccharides (ABP) on cadmium (Cd)-induced apoptosis and the TLR4 signaling pathway of chicken peripheral blood lymphocytes (PBLs). Seven-day-old healthy chickens were randomly divided into four groups, and each group contained 20 males. The cadmium-supplemented diet group (Cd group) was fed daily with full feed that contained 140 mg cadmium chloride (CdCl2)/kg and 0.2 mL saline. The A. blazei Murill polysaccharide diet group (ABP group) was fed daily with full feed with 0...
March 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28257865/early-pregnancy-related-changes-in-toll-like-receptors-expression-in-ovine-trophoblasts-and-peripheral-blood-leukocytes
#16
Mehmet Salih Kaya, Mehmet Kose, Aydin Guzeloglu, Zekeriya Kıyma, Mehmet Osman Atli
In the present study, we aimed to 1) demonstrate the presence of all 10 toll-like receptors (TLRs) in ovine trophoblasts, and 2) investigate the expression profiles of TLR1-10 mRNAs in peripheral blood leukocytes (PBLs) in ewes during early pregnancy. For those purposes, ovine trophoblasts (n = 6) were collected from pregnant ewes on day 13. PBLs were collected from non-pregnant (n = 6) and pregnant ewes (n = 17) on days of mating (d) 0 and 18. TLR mRNAs in ovine trophoblasts were visualized by free-floating in situ hybridization (ISH)...
April 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28210822/plasma-dna-methylation-of-p16-and-shp1-in-patients-with-b-cell-non-hodgkin-lymphoma
#17
Kai Ding, Xiaoshuang Chen, Yihao Wang, Hui Liu, Wenjing Song, Lijuan Li, Guojin Wang, Jia Song, Zonghong Shao, Rong Fu
BACKGROUND: Early diagnosis and treatment of non-Hodgkin lymphoma (NHL) are progressively important. It has been shown that aberrant promoter methylation contributes to the development and progression of lymphoma. We tried to explore the effect of methylation of p16 and shp1 genes in plasma in the diagnosis of B-NHL patients. METHODS: The methylation of p16 and shp1 genes in plasma were detected by methylation specific polymerase chain reaction in 103 patients with B-NHL, and compared with peripheral blood leukocytes (PBLs) and formaldehyde-fixed paraffin-embedded (FFPE) tumor tissues...
February 16, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28110884/tumor-antigen-specific-cd8-t-cells-are-negatively-regulated-by-pd-1-and-tim-3-in-human-gastric-cancer
#18
Xu Lu, Lin Yang, Daxing Yao, Xuan Wu, Jingpo Li, Xuesong Liu, Lijuan Deng, Caiting Huang, Yue Wang, Dan Li, Jingwei Liu
Cytotoxic CD8 T lymphocytes that are present in tumors and capable of recognizing tumor epitopes are nevertheless generally important in eliciting tumor rejection. NY-ESO-1 is a major target of CD8(+) T cell recognition in gastric cancer (GC) and is among the most immunogenic tumor antigens defined to date. Thus, identifying the immune escape mechanisms responsible for inducing tumor-specific CD8(+) T cell dysfunction may reveal effective strategies for immunotherapy. In an effort to understand in vivo tolerance mechanisms, we assessed the phenotype and function of NY-ESO-1-specific CD8(+) T cells derived from peripheral blood lymphocytes (PBLs) and tumor-associated lymphocytes (TALs) of GC patients...
March 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28092007/study-of-the-genotoxicity-of-organic-extracts-from-wastewater-irrigated-vegetables-using-in-vitro-and-in-vivo-biological-tests
#19
Hongxia Gao, Yanhua Cao, Yingli Liu, Nan Liu, Weijun Guan
The purpose of this study was to explore genotoxicity due to organic pollutants in wastewater-irrigated vegetables using biological and chemical analyses. Chinese cabbages from wastewater-irrigated farmland were taken as the research object. For the in vitro test, DNA damage was characterized in rat hepatocytes exposed to organic extracts from the cabbages using the comet assay. For the in vivo tests, mice were exposed to organic extracts from the cabbages. DNA damage was assessed in mouse peripheral blood lymphocytes (PBLs), and chromosome damage was assessed in bone marrow cells using the comet assay and micronucleus test, respectively...
March 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28045025/interferon-epsilon-promotes-hiv-restriction-at-multiple-steps-of-viral-replication
#20
Albert Garcia-Minambres, Sahar G Eid, Niamh E Mangan, Corinna Pade, San S Lim, Antony Y Matthews, Nicole A de Weerd, Paul J Hertzog, Johnson Mak
Interferon epsilon (IFNɛ) is a type I IFN that is expressed constitutively in the female reproductive tract (FRT), and contributes to protection in models of sexually transmitted infections. Using multiple cell systems, including reporter cell lines and activated peripheral blood lymphocytes (PBLs), we show that recombinant IFNɛ impairs HIV infection at stage(s) post HIV entry and up to the translation of viral proteins. Consistent with this, IFNɛ upregulated a number of host cell restriction factors that block HIV at these stages of the replication cycle...
January 3, 2017: Immunology and Cell Biology
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