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https://www.readbyqxmd.com/read/28629361/decoy-receptor-3-an-endogenous-immunomodulator-in-cancer-growth-and-inflammatory-reactions
#1
REVIEW
Shie-Liang Hsieh, Wan-Wan Lin
Decoy receptor 3 (DcR3), also known as tumor necrosis factor receptor (TNFR) superfamily member 6b (TNFRSF6B), is a soluble decoy receptor which can neutralize the biological functions of three members of tumor necrosis factor superfamily (TNFSF): Fas ligand (FasL), LIGHT, and TL1A. In addition to 'decoy' function, recombinant DcR3.Fc is able to modulate the activation and differentiation of dendritic cells (DCs) and macrophages via 'non-decoy' action. DcR3-treated DCs skew T cell differentiation into Th2 phenotype, while DcR3-treated macrophages behave M2 phenotype...
June 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28627691/scutellaria%C3%A2-baicalensis-georgi-induces-caspase-dependent-apoptosis-via-mitogen-activated-protein-kinase-activation-and-the-generation-of-reactive-oxygen-species-signaling-pathways-in-mcf-7-breast-cancer-cells
#2
Jin Ryeong Park, Min Cheol Lee, Seong-Cheol Moon, Junghoon Kim, Ki-Tae Ha, Eun Jung Park, Chansik Hong, Byoung-Do Seo, Byung Joo Kim
Scutellaria baicalensis Georgi extract (SBGE) is used in traditional herbal medicine and has also been used clinically to ameliorate the symptoms of various inflammatory diseases and cancer. In women, breast cancer is one of the most common diseases and numerous women succumb to it. The present study was undertaken to investigate the mechanism responsible for the SBGE‑induced apoptosis of MCF‑7 human breast cancer cells. SBGE was administered to cells at concentrations between 100 and 500 mg/ml, and cell viabilities were identified using an MTT assay...
June 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627601/an-in%C3%A2-vitro-study-on-the-effects-of-the-combination-of-salinomycin-with-cisplatin-on-human-gastric-cancer-cells
#3
Zuwen Zhang, Jumei Zhao, Qiuxia Pang, Aihong Wang, Meini Chen, Xiaoli Wei
The present study aimed to investigate the anticancer effects of cisplatin (DDP) combined with salinomycin (SAL) on the gastric cancer cell line SGC‑7901, as well as to explore the mechanisms underlying their actions. An MTT assay was used to evaluate the inhibitory effects of SAL, DDP and their combination on gastric cancer cell proliferation. Morphological alterations of cancer cells following treatment were observed under an inverted phase‑contrast microscope and a fluorescence microscope. Cell cycle progression and apoptosis were analyzed using flow cytometry...
June 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28625872/decreased-enteritis-resistance-ability-by-dietary-low-or-excess-levels-of-lipids-through-impairing-the-intestinal-physical-and-immune-barriers-function-of-young-grass-carp-ctenopharyngodon-idella
#4
Lin Feng, Pei-Jun Ni, Wei-Dan Jiang, Pei Wu, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xu Tang, He-Qun Shi, Xiao-Qiu Zhou
The current study explores the hypothesis that low or excess levels of lipids decrease the enteritis resistance ability through impairing the intestinal physical and immune barrier function of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp with an average initial weight of 261.41 ± 0.53 g were fed diets containing six graded levels of lipids at 5.9, 21.4, 36.0, 50.2, 66.6 and 80.1 g/kg for 8 weeks. After that, a challenge trial was conducted by injection of Aeromonas hydrophila over 2 weeks...
June 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28610850/dietary-myo-inositol-deficiency-decreased-the-growth-performances-and-impaired-intestinal-physical-barrier-function-partly-relating-to-nrf2-jnk-e2f4-and-mlck-signaling-in-young-grass-carp-ctenopharyngodon-idella
#5
Shuang-An Li, Wei-Dan Jiang, Lin Feng, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou
In this study, we investigated the effects of dietary myo-inositol on the growth and intestinal physical barrier functions of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp (221.83 ± 0.84 g) were fed six diets containing graded levels of myo-inositol (27.0, 137.9, 286.8, 438.6, 587.7 and 737.3 mg/kg) for 10 weeks. After the growth trial, fish were challenged with Aeromonas hydrophila for 14 days. The results indicated that compared with optimal myo-inositol levels, myo-inositol deficiency (27...
June 10, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28603092/crosstalk-of-liver-immune-cells-and-cell-death-mechanisms-in-different-murine-models-of-liver-injury-and-its-clinical-relevance
#6
Hilal Ahmad Khan, Muhammad Zishan Ahmad, Junaid Ali Khan, Muhammad Imran Arshad
BACKGROUND: Liver inflammation or hepatitis is a result of pluripotent interactions of cell death molecules, cytokines, chemokines and the resident immune cells collectively called as microenvironment. The interplay of these inflammatory mediators and switching of immune responses during hepatotoxic, viral, drug-induced and immune cell-mediated hepatitis decide the fate of liver pathology. The present review aimed to describe the mechanisms of liver injury, its relevance to human liver pathology and insights for the future therapeutic interventions...
June 2017: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/28603024/functional-research-and-molecular-mechanism-of-kainic-acid-induced-denitrosylation-of-thioredoxin-1-in-rat-hippocampus
#7
Hongning Yang, Ningjun Zhao, Lanxin Lv, Xianliang Yan, Shuqun Hu, Tie Xu
Thioredoxin-1 (Trx1) has long been recognized as a redox regulator, and is implicated in the inhibition of cell apoptosis. Trx1 is essential for the maintenance of the S-nitrosylation of molecules in cells. The S-nitrosylation of Trx1 is essential for the physiological function such as preservation of the redox regulatory activity. The mechanisms underlying Trx1 denitrosylation induced by kainate acid (KA) injection still remain uncharacterized. Our results showed that the S-nitrosylation levels of Trx1 were decreased subsequent to KA injection and that the glutamate receptor 6 (GluR6) antagonist NS102 could inhibit the denitrosylation of Trx1...
June 8, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28595623/effects-of-1-25-dihydroxyvitamin-d3-on-pathological-changes-in-rats-with-diabetic-cardiomyopathy
#8
Xiaoyun Zeng, Xintian Yu, Shan Xiao, Hua Yao, Jun Zhu
BACKGROUND: The role of 1,25-dihydroxyvitamin D3 (vitamin D) in the apoptosis of diabetic cardiomyopathy (DCM) is unclear. This study is to investigate the effects of vitamin D on the pathological changes in rats with DCM. METHODS: Rats were randomly divided into the control, model, and treatment groups. DCM model was established by the high-fat and -sugar diet. Plasma glucose, body weight, heart weight, heart weight index, and serum levels of lactate dehydrogenase (LDH) and creatine kinase (CK) were determined...
June 8, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28591825/corticotrophin-releasing-hormone-and-corticosterone-impair-development-of-preimplantation-embryos-by-inducing-oviductal-cell-apoptosis-via-activating-the-fas-system-an-in-vitro-study
#9
Xiu-Wen Tan, Chang-Li Ji, Liang-Liang Zheng, Jie Zhang, Hong-Jie Yuan, Shuai Gong, Jiang Zhu, Jing-He Tan
STUDY QUESTION: What are the mechanisms by which corticotrophin-releasing hormone (CRH) and corticosterone impair the development of preimplantation embryos in the oviduct. SUMMARY ANSWER: CRH and corticosterone do not affect preimplantation embryos directly, but impair their development indirectly by triggering apoptosis of oviductal epithelial cells (OECs) through activation of the Fas system. WHAT IS KNOWN ALREADY: Studies report that stress impairs embryo development with facilitated secretion of CRH and glucocorticoids...
June 7, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28587866/digging-more-in-the-genetic-risk-prediction-of-hepatitis-c-virus-epidemic-in-egypt-apoptosis-genes-polymorphisms-in-the-susceptibility-of-hepatitis-c-virus-and-association-with-viral-load
#10
Rania H Khalifa, Rasha Mohamad Hosny Shahin, Reham Emad Eldin Aboukhalil, Mohamed A Marie, Amr M El-Deeb, Nermine Magdi Riad
Egypt is confronted with the highest hepatitis C virus (HCV) epidemic. Apoptosis and cellular immune responses are crucial to the clearance or persistence of viral infections. This case-control study was carried out to detect whether apoptosis genes single nucleotide polymorphisms (SNPs) confer risk to HCV in a cohort of Egyptian patients and to explore their association with viral load. One hundred and ninety six blood samples were withdrawn from 96 HCV patients and 100 controls. The Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) -1525G>A and FasL-844T>C SNPs were genotyped using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
June 3, 2017: Virus Research
https://www.readbyqxmd.com/read/28580390/glucocorticoid-receptor-mediated-cis-repression-of-osteogenic-genes-requires-brm-swi-snf
#11
Michael J Pico, Sharareh Hashemi, Fuhua Xu, Kevin Hong Nguyen, Robert Donnelly, Elizabeth Moran, Stephen Flowers
Glucocorticoids are an effective therapy for a variety of severe inflammatory and autoimmune disorders; however, the therapeutic use of glucocorticoids is severely limited by their negative side effects, particularly on osteogenesis. Glucocorticoids regulate transcription by binding to the glucocorticoid receptor (GR), which then binds the promoters of target genes to induce either activation or repression. The gene activation effects of nuclear hormone receptors broadly require the cooperation of the chromatin remodeling complex known as SWI/SNF, which is powered by an ATPase core...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28579903/study-on-apoptosis-effect-of-human-breast-cancer-cell-mcf-7-induced-by-lycorine-hydrochloride-via-death-receptor-pathway
#12
Yubin Ji, Miao Yu, Zheng Qi, Di Cui, Guosong Xin, Bing Wang, Weiling Jia, Lin Chang
As research was conducted on the early apoptosis of human breast cancer cell MCF-7 caused by lycorine hydrochloride and the expression of the related apoptosis proteins. The early-period apoptosis rate of human breast cancer cell MCF-7 was tested with the AnnexinV/PI double staining and flow cytometry. The Western Blotting method was also used to detect the protein expression conditions of Fas, FasL, Caspase-8 and Bid. The results showed that the higher the dose, the higher the rate of apoptosis and that the rate of apoptosis was dependent on the dose; the relative protein activity of Fas, FasL, Caspase-8 and bid gradually rose with the increase of lycorine dosage and the activities revealed certain dose-independence...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28560426/dcr3-promotes-hepatoma-cell-migration-by-downregulating-e-cadherin-expression
#13
Hongling Zhang, Xuhong Chen, Dongming Li, Lulu Cui, Xin Li, Xiufeng Ye, Xiaochun Wan
Decoy receptor 3 (DcR3), a decoy molecule belonging to the tumor necrosis factor receptor superfamily (TNFRSF), is a soluble receptor that can neutralize the biological effects of three other TNFSF members, namely, Fas ligand (FasL/TNFSF6/CD95L), LIGHT (TNFSF14) and TNF-like molecule 1A (TL1A/TNFSF15). DcR3 expression is increased in tumor cells. As such, DcR3 has been considered a potential biomarker to predict cancer invasion and progression of inflammation. However, the molecular mechanisms of DcR3 in tumor progression and metastasis remain poorly described...
May 30, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28554653/dendritic-cells-during-mousepox-the-role-of-delayed-apoptosis-in-the-pathogenesis-of-infection
#14
Piotr Orlowski, Maja Pardecka, Joanna Cymerys, Malgorzata Krzyzowska
Dendritic cells (DCs) are effector cells linking the innate immune system with the adaptive immune response. Many viruses eliminate DCs to prevent host response, induce immunosuppression and to maintain chronic infection. In this study, we examined apoptotic response of dendritic cells during in vitro and in vivo infection with ectromelia virus (ECTV), the causative agent of mousepox. ECTV-infected bone marrow dendritic cells (BMDCs) from BALB/c mice underwent apoptosis through mitochondrial pathway at 48 h post infection, up-regulated FasL and decreased expression of anti-apoptotic Bcl-2 and pro-apoptotic Fas...
May 26, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28551553/pentoxifylline-attenuates-cytokine-stress-and-fas-system-in-syngeneic-liver-proteins-induced-experimental-autoimmune-hepatitis
#15
Nevien Hendawy
BACKGROUND: Apoptosis is a hallmark in the pathogenesis of autoimmune hepatitis (AIH). Cytokine stresses and extrinsic apoptotic pathway have been implicated in this type of hepatic injury. Pentoxifylline plays an important role in controlling inflammation and apoptosis in different autoimmune diseases. AIM: To assess the protective effect of pentoxifylline for 30days against pro-inflammatory cytokines as tumor necrosis factor-alpha (TNF-α), interferon-gamma (INF-γ) and mediators of extrinsic apoptotic pathway involving TNF receptor 1 (TNFR1) and its ligand TNF-α and Fas receptor and its ligand (FasL) in experimental autoimmune hepatitis (EAH) model...
May 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28546549/restimulation-induced-t-cell-death-through-ntb-a-sap-signaling-pathway-is-impaired-in-tuberculosis-patients-with-depressed-immune-responses
#16
Rodrigo E Hernández Del Pino, Joaquín M Pellegrini, Ana I Rovetta, Delfina Peña, Guadalupe I Álvarez, Agustín Rolandelli, Rosa M Musella, Domingo J Palmero, Alejandro Malbran, Virginia Pasquinelli, Verónica E García
Production of IFN-γ contributes to host defense against Mycobacterium tuberculosis (Mtb) infection. We previously demonstrated that Signaling lymphocytic activation molecule-associated protein (SAP) expression on cells from tuberculosis (TB) patients was inversely correlated with IFN-γ production. Here we first investigated the role of NK, T and B cell antigen (NTB-A)/SAP pathway in the regulation of Th1 response against Mtb. Upon antigen stimulation, NTB-A phosphorylation rapidly increases and afterwards modulates IFN-γ and IL-17 secretion...
May 26, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28543447/fas-signaling-induces-stemness-properties-in-colorectal-cancer-by-regulation-of-bmi1
#17
Jiaxuan Chen, Yadong Wang, Linghao Zhuo, Zhizhong Liu, Tao Liu, Wenjing Li, Yidong Cai, Haoxuan Zheng
Fas signaling promotes colorectal cancer (CRC) metastasis by inducing epithelial- mesenchymal transition (EMT). The acquisition of EMT properties in turn induces stemness but the mechanism by which Fas signaling contributes to it still remains unclear. Hence, the aim of this study was to investigate how Fas signaling regulates CRC stemness. For this purpose, soft agar assay, sphere formation assay, cell survival analysis, immunoblot, qRT-PCR, chromatin immunoprecipitation, and luciferase reporter assay were performed...
May 25, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28540365/the-role-of-apoptotic-factors-in-assessing-progression-of-periodontal-disease
#18
D Dabiri, S Halubai, M Layher, C Klausner, H Makhoul, G H Lin, G Eckert, H Abuhussein, P Kamarajan, Y Kapila
BACKGROUND: The mechanisms responsible for periodontal disease progression remain unclear. However, recent studies suggest that apoptosis may be one mechanism underlying the pathophysiology of periodontal disease progression. This pilot study is the 3 month follow-up of our published baseline study on the presence of apoptotic factors in serum, saliva, and gingival crevicular fluid (GCF) and their association with periodontal disease severity and activity. METHODS: GCF samples were obtained from 37 adult patients with chronic periodontitis (CP) and 7 healthy controls...
September 2016: Int J Dent Oral Sci
https://www.readbyqxmd.com/read/28537657/interferon-%C3%AE-affects-leukemia-cell-apoptosis-through-regulating-fas-fasl-signaling-pathway
#19
H-L Xia, C-J Li, X-F Hou, H Zhang, Z-H Wu, J Wang
OBJECTIVE: Imbalance of hematopoietic cell proliferation and apoptosis is one of the major causes of leukemia. Enhanced cell proliferation and reduced apoptosis lead to hemocytes accumulation. Fas/FasL signaling pathway promotes cell apoptosis. This study investigated the impact of interferon γ (IFN-γ) on chronic myelogenous leukemia cell proliferation and apoptosis to elucidate its interaction with Fas/FasL signaling pathway. PATIENTS AND METHODS: Leukemia K562 cells were routinely cultivated and treated with 10 U/ml, 100 U/ml, and 1000 U/ml interferon for 12 h, 24 h, and 48 h, respectively...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28526557/the-frog-skin-host-defense-peptide-frenatin-2-1s-enhances-recruitment-activation-and-tumoricidal-capacity-of-nk-cells
#20
Jelena M Pantic, Ivan P Jovanovic, Gordana D Radosavljevic, Nevena M Gajovic, Nebojsa N Arsenijevic, J Michael Conlon, Miodrag L Lukic
Frog skin is a source of peptides with various biological properties. Frenatin 2.1S, derived from norepinephrine-stimulated skin secretions of the Orinoco lime tree frog Sphaenorhynchus lacteus, exhibits immunostimulatory effects as demonstrated by the promotion of proinflammatory phenotypes of mononuclear cells in mouse peritoneal cavity and spleen. The aim of this study was to identify the populations of host cells sensitive to the action of frenatin 2.1S in vivo and to study its effects on their functional antitumor capacity...
May 16, 2017: Peptides
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