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https://www.readbyqxmd.com/read/28214995/development-and-characterization-of-monoclonal-antibody-against-human-il-37b
#1
Yu-Chi Gao, Yan Jia, De-Qian Xiao, Xin Wang, You-Chao Dai, Shi-Yan Yu, Chen Chen, Ze-Gang Zhuang, Xiao-Xia Fu, Jun-Ai Zhang, Bi-Ying Zheng, Zhi-Hong Chen, Ji-Xin Zhong, Zhang-Quan Chen, Jun-Fa Xu
IL-37 has been described as a natural inhibitor of immune responses. Monoclonal antibody (mAb) against human IL-37b with high affinity and specificity can serve as a molecular probe to detect IL-37 and study IL-37 functions, mechanisms and related signal pathways in inflammatory diseases. However, there are very few such mAbs against human IL-37 commercially available so far. In the current study, monoclonal antibodies against human IL-37b were developed by fusing splenocytes from immunized mouse with SP2/0 myeloma cells and polyethylene glycol...
February 18, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28214951/inhibition-of-jak-stat-pathway-restrains-tslp-activated-dendritic-cells-mediated-inflammatory-t-helper-type-2-cell-response-in-allergic-rhinitis
#2
Zhaohui Shi, Weihong Jiang, Min Wang, Xiaocheng Wang, Xiaoyuan Li, Xiaodong Chen, Li Qiao
Thymic stromal lymphopoietin (TSLP) has recently been implicated as a key molecule for initiating allergic rhinitis (AR) at the cell-dendritic cell (DC) interface. Previous studies demonstrated that TSLP activated DCs to express more OX40 ligand (OX40L), which is associated with the initiation of T helper type 2 (Th2) cell responses. STAT phosphorylation has been reported to be promoted by TSLP. Thus, we investigated if the JAK/STAT pathway inhibitor CYT387 could affect TSLP-DC-mediated Th2 cell response in naive T cell and AR mice model...
February 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28214901/protective-effects-of-fluvastatin-on-reproductive-function-in-obese-male-rats-induced-by-high-fat-diet-through-enhanced-signaling-of-mtor
#3
Xiangrong Cui, Chunlan Long, Jing Zhu, Jie Tian
BACKGROUND: Statins can reduce reproductive damage induced by obesity or high-fat diet (HFD), but the specific regulatory mechanisms are largely unknown. Since mTOR/p70s6k sinaling promotes spermatogonia proliferation and spermatogenesis, we hypothesized that this pathway will be involved in the protective effects of statin in HFD-induced reproductive dysfunction. METHODS: Male Sprague Dawley rats (3 weeks old) were randomly divided into a control group (standard diet), HFD group, and a fluvastatin group (HFD + fluvastatin at 6mg/kg, once daily by oral gavage)...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214891/up-regulated-atf4-expression-increases-cell-sensitivity-to-apoptosis-in-response-to-radiation
#4
Ying Zong, Shijie Feng, Jinwei Cheng, Chenlin Yu, Guocai Lu
BACKGROUND/AIMS: Activating transcription factor 4 (ATF4) is a member of the activating transcription factor family which regulates the expression of genes involved in amino acid metabolism, redox homeostasis and ER stress responses. ATF4 is also over-expressed in human solid tumors, although its effect on responsiveness to radiation is largely unexplored. METHODS: Real-time PCR was used to detect ATF4 mRNA levels in cells treated with different doses of 60Coγ radiation...
February 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214889/regulatory-role-of-mirna-375-in-expression-of-bmp15-gdf9-receptors-and-its-effect-on-proliferation-and-apoptosis-of-bovine-cumulus-cells
#5
Hongyan Chen, Chang Liu, Hao Jiang, Yan Gao, Mingqiang Xu, Jiawei Wang, Siyuan Liu, Yao Fu, Xulei Sun, Jiajun Xu, Jiabao Zhang, Lisheng Dai
BACKGROUND: Bone morphogenetic protein 15 (BMP15) and growth differentiation factor 9 (GDF9) are members of the transforming growth factor beta (TGF-β) superfamily. Through autocrine and paracrine mechanisms, these two factors can regulate cell differentiation, proliferation, and other functions in the ovary locally. Furthermore, GDF9 and BMP15 play vital roles in follicular growth, atresia, ovulation, fertilization, reproduction, and maintenance. Numerous studies have demonstrated a synergy between BMP15 and GDF9...
January 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214872/higher-numbers-of-t-bet-tumor-infiltrating-lymphocytes-associate-with-better-survival-in-human-epithelial-ovarian-cancer
#6
Yun Xu, Lujun Chen, Bin Xu, Yuqi Xiong, Min Yang, Xiaohui Rui, Liangrong Shi, Changping Wu, Jingting Jiang, Binfeng Lu
BACKGROUND/AIMS: T-bet, a member of the T-box family of transcription factors, is a key marker of type I immune response within the tumor microenvironment, and has been previously reported by us to serve as an important prognostic indicator for human gastric cancer patients and a potential biomarker for immunotherapy. In the present study, we aimed to assess the clinical significance and prognostic value of T-bet+ tumor-infiltrating lymphocytes in human epithelial ovarian cancer. METHODS: The immunohistochemistry was used to analyze the infiltration density of T-bet+ lymphoid cells in human epithelial ovarian cancer tissues, and the flow cytometry analysis was used to further analyze the presence of T-bet+ tumor-infiltrating lymphocytes subgroups in cancer tissues...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214869/effects-of-antimalarial-tafenoquine-on-blood-platelet-activity-and-survival
#7
Hang Cao, Rosi Bissinger, Anja T Umbach, Abdulla Al Mamun Bhuyan, Florian Lang, Meinrad Gawaz
BACKGROUND/AIMS: The 8-aminoquinoline tafenoquine has been shown to be effective against Plasmodia, Leishmania and Trypanosoma. The substance is at least in part effective by triggering apoptosis of the parasites. Moreover, tafenoquine has been shown to trigger eryptosis, the suicidal erythrocyte death characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. The effect of tafenoquine on eryptosis is in part due to stimulation of Ca2+ entry and oxidative stress...
January 26, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214868/stimulation-of-phospholipid-scrambling-of-the-erythrocyte-membrane-by-9-cis-retinoic-acid
#8
Majed Abed, Kousi Alzoubi, Florian Lang, Abdulla Al Mamun Bhuayn
BACKGROUND/AIMS: The endogenous retinoid 9-cis-retinoic acid has previously been shown to trigger apoptosis in a wide variety of cells including several tumor cells and has thus been suggested for the treatment of malignancy. Similar to apoptosis of nucleated cells, erythrocytes may enter suicidal erythrocyte death or eryptosis, which is characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. Cellular mechanisms participating in the accomplishment of eryptosis include increase of cytosolic Ca2+ activity ([Ca2+]i) and formation of ceramide...
January 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214867/the-novel-long-noncoding-rna-tusc7-inhibits-proliferation-by-sponging-mir-211-in-colorectal-cancer
#9
Jian Xu, Rui Zhang, Jian Zhao
BACKGROUND/AIMS: The novel long noncoding RNA (lncRNA) tumor suppressor candidate 7 (TUSC7) has been reported as a potential tumor suppressor, while the functional role of TUSC7 is still unknown in colorectal cancer (CRC). Here, we characterized TUSC7 expression profile in CRC patients and investigated its biological function and potential molecular mechanism. METHODS: RNA isolation, qRT-PCR, cell counter kit-8 assay, cell cycle assay, EdU assay, and western blot were performed...
February 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214865/inhibition-of-trpc6-signal-pathway-alleviates-podocyte-injury-induced-by-tgf-%C3%AE-1
#10
Haiting Huang, Yanwu You, Xu Lin, Chunrong Tang, Xiangjun Gu, Meiying Huang, Youling Qin, Junhua Tan, Feifan Huang
BACKGROUND/AIMS: Transforming growth factor beta 1 (TGF-β1) plays a critical role in the pathogenesis of glomerulosclerosis. The purpose of this study was to examine the effects of inhibition of transient receptor potential cation channel C6 (TRPC6) on podocyte injury induced by TGF-β1 via nephrin and desmin mechanisms. METHODS: A rat model of nephropathy was first induced by intravenous injections of adriamycin to determine TRPC6 signal pathway engaged in glomerulosclerosis in vivo...
January 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214860/stimulation-of-erythrocyte-cell-membrane-scrambling-by-adarotene
#11
Morena Mischitelli, Mohamed Jemaàa, MyriamFezai Fezai, Mustafa Almasry, Florian Lang, Caterina Faggio
BACKGROUND/AIMS: The atypical retinoid E23-(40-hydroxyl-30-adamantylbiphenyl-4-yl) acrylic acid (ST1926, adarotene) is used in the treatment of malignancy. The effect of ST1926 is at least in part due to stimulation of apoptosis. Similar to apoptosis of nucleated cells, erythrocytes may enter eryptosis, the suicidal death of erythrocytes. Hallmarks of eryptosis include cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. Signaling involved in the stimulation of eryptosis includes increase of cytosolic Ca2+ activity [Ca2+]<Sub>i</Sub>, oxidative stress and ceramide...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214847/contribution-of-p62-to-phenotype-transition-of-coronary-arterial-myocytes-with-defective-autophagy
#12
Junxiang Bao, Guangbi Li, Xinxu Yuan, Pin-Lan Li, Erich Gulbins
BACKGROUND: Autophagy disorder contributes to dedifferentiation of arterial smooth muscle cells, but the mechanisms are poorly understood. Here, we sought to investigate the role of scaffolding adaptor p62/SQSTM1 (p62) in phenotype switching of mouse coronary arterial myocytes (CAMs) induced by CD38 gene deficiency or lysosomal dysfunction which blocks autophagic flux in the cells. METHODS: Protein expression was measured by western blot analysis and immunofluorescent staining...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214836/hepatitis-b-virus-x-protein-reduces-podocyte-adhesion-via-downregulation-of-%C3%AE-3%C3%AE-1-integrin
#13
Ping He, Dajun Liu, Beiru Zhang, Guangyu Zhou, Xuesong Su, Yanqiu Wang, Detian Li, Xu Yang
BACKGROUND/AIMS: Hepatitis B virus (HBV)-associated glomerulonephritis (HBV-GN) is characterized by a reduced number of podocytes due to apoptosis and shedding from the basement membrane. However, the pathological mechanism of HBV-GN is unclear. We previously showed that hepatitis B virus X protein (HBx) promotes apoptosis in tubular epithelial cells. In this study, we transfected podocytes with HBx and examined the effects on adhesion and apoptosis of these cells. METHODS: Podocytes were transfected with pc-DNA3...
February 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214835/up-regulation-of-tgf-%C3%AE-promotes-tendon-to-bone-healing-after-anterior-cruciate-ligament-reconstruction-using-bone-marrow-derived-mesenchymal-stem-cells-through-the-tgf-%C3%AE-mapk-signaling-pathway-in-a-new-zealand-white-rabbit-model
#14
Rui Wang, Bin Xu, Hong-Gang Xu
BACKGROUND/AIMS: This study aimed to explore the role of TGF-β in tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction using bone marrow-derived mesenchymal stem cells (BMSCs) through the TGF-β/MAPK signaling pathway in a New Zealand white rabbit model. METHODS: A total of 72 healthy male New Zealand white rabbits were selected for these experiments. Flow cytometry and immunofluorescence were used to detect the expression of BMSC surface markers, and qRT-PCR was performed to detect TGF-β mRNA expression...
January 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214826/emodin-increases-expression-of-insulin-like-growth-factor-binding-protein-1-through-activation-of-mek-erk-ampk%C3%AE-and-interaction-of-ppar%C3%AE-and-sp1-in-lung-cancer
#15
Qing Tang, JingJing Wu, Fang Zheng, Swei Sunny Hann, YuQing Chen
BACKGROUND: Emodin has anti-neoplastic activities on multiple tumors. However, the molecular mechanisms underlying this effect still remain to be fully understood. METHODS: Cell viability and cell cycle distribution were measured using 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assays and flow cytometry, respectively. Cell invasion and migration were examined by transwell invasion and wound healing assays. Western blot analysis was performed to examine the phosphorylation and protein expression of AMP-activated protein kinase alpha (AMPKα), extracellular signaling-regulated kinase 1/2 (ERK1/2), peroxisome proliferators-activated receptor gamma (PPARγ), insulin-like growth factor (IGF) binding protein 1 (IGFBP1) and the transcription factor Sp1...
January 26, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214393/flow-cytometric-bacterial-cell-counts-challenge-conventional-heterotrophic-plate-counts-for-routine-microbiological-drinking-water-monitoring
#16
REVIEW
S Van Nevel, S Koetzsch, C R Proctor, M D Besmer, E I Prest, J S Vrouwenvelder, A Knezev, N Boon, F Hammes
Drinking water utilities and researchers continue to rely on the century-old heterotrophic plate counts (HPC) method for routine assessment of general microbiological water quality. Bacterial cell counting with flow cytometry (FCM) is one of a number of alternative methods that challenge this status quo and provide an opportunity for improved water quality monitoring. After more than a decade of application in drinking water research, FCM methodology is optimised and established for routine application, supported by a considerable amount of data from multiple full-scale studies...
February 8, 2017: Water Research
https://www.readbyqxmd.com/read/28214146/impact-of-anti-tnf-therapy-on-nk-cells-function-and-on-immunosurveillance-against-b-cell-lymphomas
#17
Gaetane Nocturne, Saida Boudaoud, Bineta Ly, Juliette Pascaud, Audrey Paoletti, Xavier Mariette
OBJECTIVES: Rheumatoid arthritis (RA) is associated with an increased risk of lymphoma linked to activity of the disease. Immunosuppressive drugs have been suspected to induce an additional risk. Since, NK cells have been recently shown to participate to anti-lymphoma immunosurveillance, we aimed to assess if anti-TNF might impact their anti-lymphoma activity. METHODS: NK cells have been assessed ex vivo in patients with RA treated with methotrexate (MTX) with or without anti-TNF...
February 14, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28214016/melk-expression-in-ovarian-cancer-correlates-with-poor-outcome-and-its-inhibition-by-otssp167-abrogates-proliferation-and-viability-of-ovarian-cancer-cells
#18
Reto S Kohler, Henriette Kettelhack, Alexandra M Knipprath-Mészaros, André Fedier, Andreas Schoetzau, Francis Jacob, Viola Heinzelmann-Schwarz
OBJECTIVE: Maternal embryonic leucine-zipper kinase (MELK) shows oncogenic properties in basal-like breast cancer, a cancer subtype sharing common molecular features with high-grade serous ovarian cancer. We examined the potential of MELK as a molecular and pharmacological target for treatment of epithelial ovarian cancer (EOC). METHODS/MATERIALS: Bioinformatic analysis was performed on nine OC transcriptomic data sets totaling 1241 patients. Effects of MELK depletion by shRNA or inhibition by OTSSP167 in cell lines were assessed by colony formation and MTT (proliferation) assays, Western blotting (apoptosis), and flow cytometry (cell cycle analysis)...
February 14, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28213406/mitochondria-regulated-formation-of-endothelial-extracellular-vesicles-shifts-the-mediator-of-flow-induced-vasodilation
#19
Julie K Freed, Matthew J Durand, Brian Robert Hoffmann, John C Densmore, Andrew S Greene, David D Gutterman
In order to examine the effect of endothelial-derived extracellular vesicles (eEVs) on the mechanism of flow-induced dilation (FID) composition, formation, and functional effects on the mechanism of FID were examined from two different eEV subtypes, one produced from ceramide, the other from plasminogen-activator inhibitor 1 (PAI-1). Using videomicroscopy, internal diameter changes in response to increases in flow were measured in human adipose resistance arteries acutely exposed (30min) to eEVs derived from cultured endothelial cells exposed to ceramide or PAI-1...
February 17, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28213366/tumor-infiltrating-and-peripheral-blood-t-cell-immunophenotypes-predict-early-relapse-in-localized-clear-cell-renal-cell-carcinoma
#20
Nicolas A Giraldo, Etienne Becht, Yann Vano, Florent Petitprez, Laetitia Lacroix, Pierre Validire, Rafael Sanchez-Salas, Alexandre Ingels, Stephane Marie Oudard, Audrey Moatti, Bénédicte Buttard, Sarah Bourras, Claire Germain, Xavier Cathelineau, Wolf-Herman Fridman, Catherine Sautes-Fridman
PURPOSE: The efficacy of PD-1 Checkpoint Blockade (ChB) as adjuvant therapy in localized clear cell Renal Cell Carcinoma (ccRCC) is currently unknown. The identification of tumor microenvironment (TME) prognostic biomarkers in this setting may help to define which patients could benefit from ChB and to uncover new therapeutic targets. EXPERIMENTAL DESIGN: We performed multiparametric flow cytometry immunophenotypic analysis of T cells isolated from tumor tissue (TIL), adjacent non-malignant renal tissue (RIL) and peripheral blood (PBL), in a cohort of patients (n=40) with localized ccRCC...
February 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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