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https://www.readbyqxmd.com/read/28091912/caspase-3-6-8-and-9-gene-expression-in-peripheral-blood-leukocytes-and-plasma-concentrations-of-il-6-and-tnf-%C3%AE-in-carriers-of-different-polymorphic-marker-174g-c-genotypes-of-il6-gene-associated-with-the-risk-of-nonalcoholic-steatohepatitis
#1
I V Kurbatova, L V Topchieva, O P Dudanova
We revealed an association of IL6 gene -174G>C polymorphism with the development of nonalcoholic steatohepatitis in the Russian population. The risk is significantly higher in carriers of C allele: OR=1.77 (1.04; 3.02). The effects of -174G>C substitution in IL6 gene involving caspase 9 gene transcripts in peripheral blood leukocytes and on blood content of TNF-α in healthy individuals without clinical manifestations of nonalcoholic steatohepatitis were detected. The content of caspase 9 gene transcripts in peripheral blood leukocytes and plasma level of TNF-α were significantly higher in healthy subjects carrying C allele than in carriers of GG genotype...
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28090686/effectively-enhancing-cytotoxic-and-apoptotic-effects-of-alpha-momorcharin-by-integrating-a-heparin-binding-peptide
#2
Meng-Jie Tan, Xue-Wei Cao, Peng-Fei Li, Yi-Zhou Zhai, Yu Zhou, Ye-Jun Liu, Jian Zhao, Fu-Jun Wang
Alpha-momorcharin (α-MMC), a type I ribosome inactivating protein, has attracted a great deal attention because of its antitumor activity. However, the cytotoxicity of α-MMC is limited due to insufficient cellular internalization in cancer cells. To enhance the cytotoxicity of α-MMC, a heparin-binding domain derived from HB-EGF (named HBP) was used as a cell-penetrating peptide and fused to the C-terminus of α-MMC. This novel α-MMC-HBP fusion protein was expressed and purified with a Ni(2+) -resin. The N-glycosidase activity and DNase activity assay indicated that the introduction of HBP did not interfere with the intrinsic bioactivities of α-MMC...
January 16, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28090315/chronic-mucocutaneous-candidiasis-disease-associated-with-inborn-errors-of-il-17-immunity
#3
REVIEW
Satoshi Okada, Anne Puel, Jean-Laurent Casanova, Masao Kobayashi
Chronic mucocutaneous candidiasis (CMC) is characterized by recurrent or persistent infections affecting the nails, skin and oral and genital mucosae caused by Candida spp., mainly Candida albicans. CMC is an infectious phenotype in patients with inherited or acquired T-cell deficiency. Patients with autosomal-dominant (AD) hyper IgE syndrome (HIES), AD signal transducer and activator of transcription 1 (STAT1) gain-of-function, autosomal-recessive (AR) deficiencies in interleukin (IL)-12 receptor β1 (IL-12Rβ1), IL-12p40, caspase recruitment domain-containing protein 9 (CARD9) or retinoic acid-related orphan receptor γT (RORγT) or AR autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) develop CMC as a major infectious phenotype that is categorized as Syndromic CMC...
December 2016: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28089818/notochordal-cell-derived-conditioned-medium-nccm-protects-human-nucleus-pulposus-cells-from-stress-induced-apoptosis
#4
Arne Mehrkens, Ajay Matta, M Zia Karim, Sarah Kim, Michael G Fehlings, Stefan Schaeren, W Mark Erwin
BACKGROUND CONTEXT: Degenerative Disc Disease (DDD) remains without an effective therapy and presents a costly burden to society. PURPOSE: Based upon prior reports concerning the effects of notochordal cell conditioned medium (NCCM) upon disc cells, we performed a proof of principle study to determine whether NCCM could reduce cytotoxic stress induced apoptosis in human disc nucleus pulpous (NP) cells. STUDY DESIGN/SETTING: 'in vitro' fundamental/basic science study METHODS: NP cells derived from 15 patients undergoing spinal surgery were treated with interleukin 1β (IL-1β) and Fas ligand (FasL) or etoposide in the presence of NCCM...
January 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28088793/hnrnp-l-mediates-bladder-cancer-progression-by-inhibiting-apoptotic-signaling-and-enhancing-mapk-signaling-pathways
#5
Daojun Lv, Huayan Wu, Rongwei Xing, Fangpeng Shu, Bin Lei, Chengyong Lei, Xumin Zhou, Bo Wan, Yu Yang, Liren Zhong, Xiangming Mao, Yaguang Zou
Heterogeneous nuclear ribonucleoprotein L (hnRNP-L) is a promoter of various kinds of cancers, but its actions in bladder cancer (BC) are unclear. In this study, we investigated the function and the underlying mechanism of hnRNP-L in bladder carcinogenesis. Our results demonstrated that enhanced hnRNP-L expression in BC tissues was associated with poor overall survival of BC patients. Depletion of hnRNP-L significantly suppressed cell proliferation in vitro and inhibited xenograft tumor growth in vivo. Furthermore, downregulation of hnRNP-L resulted in G1-phase cell cycle arrest and enhanced apoptosis accompanied by inhibition of EMT and cell migration...
January 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088735/long-non-coding-rna-ccat1-promotes-human-retinoblastoma-so-rb50-and-y79-cells-through-negative-regulation-of-mir-218-5p
#6
Hongxu Zhang, Jianguang Zhong, Zhenyu Bian, Xiang Fang, You Peng, Yongping Hu
OBJECTIVE: To investigate the regulatory role and potential mechanism of long non-coding RNAs (lncRNA) in human retinoblastoma (RB). METHODS: The lncRNA profile in RB tissues were analyzed by microarray and quantitative reverse transcription PCR (qRT-PCR). One of the identified lncRNAs (LncRNA CCAT1) was selected for further experiments. SO-RB50 and Y79 cells were transfected with negative control, siRNA targeting lncRNA CCAT1 (si-CCAT1) and si-CCAT1+miR218-5p inhibitor, respectively...
January 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28088493/apoptosis-induced-by-the-methanol-extract-of-salvia-miltiorrhiza-bunge-in-non-small-cell-lung-cancer-through-pten-mediated-inhibition-of-pi3k-akt-pathway
#7
Yin-Tao Ye, Wei Zhong, Pei Sun, Dong Wang, Chen Wang, Li-Min Hu, Jun-Qiang Qian
ETHNOPHARMACOLOGICAL RELEVANCE: Salvia miltiorrhiza Bunge, a well-known traditional Chinese medicinal (TCM) plant, has been used to treat cardiovascular diseases since thousands of years. Many studies have reported that the active component tanshinones displayed a variety of biological activities: antithrombous, antiplatelet aggregation, antioxidant and antitumor promoting. But the mechanism of how the active components working still need to be clarified. The anti-tumor effect of compounds of tanshinone (CTN), the methanol extract of Salvia miltiorrhiza Bunge roots, was investigated...
January 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28088112/a-current-perspective-on-the-oncopreventive-and-oncolytic-properties-of-selective-serotonin-reuptake-inhibitors
#8
REVIEW
Daniel P Radin, Parth Patel
Current cancer research strongly focuses on identifying novel pathways that can be selectively exploited in the clinic and identifying drugs capable of exploiting cancer vulnerabilities. Occasionally, drugs identified to exploit a cancer-specific vulnerability are on the market for clinical indications in another disease area. Rebranding them as anti-cancer drugs is a process commonly referred to as drug repurposing and is typically a faster method than bringing a novel drug to market. Selective serotonin reuptake inhibitors (SSRIs) are primarily used for treating several types of depression, but over the past two decades mounting evidence suggests that drugs in this class have oncolytic properties and reduce the risk of certain cancers...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28080141/low-concentration-of-oleic-acid-exacerbates-lps-induced-cell-death-and-inflammation-in-human-alveolar-epithelial-cells
#9
Altug Kucukgul, Suat Erdogan
PURPOSE: The current study aimed to investigate in vitro effects of oleic acid on lipopolysaccharide (LPS)-induced acute lung injury in the human lung epithelial cells (A549). MATERIALS AND METHODS: The cell viability was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) tests. Selected gene expression levels were analyzed by Real-Time Quantitative-Polymerase Chain Reaction (RT-qPCR). RESULTS: 24 hours of LPS (100 ng/mL) exposure decreased the cells viability by 44...
January 12, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28079123/trim22-mediated-apoptosis-is-associated-with-bak-oligomerization-in-monocytes
#10
Chi Chen, DongYan Zhao, Shu Fang, QiXing Chen, BaoLi Cheng, XiangMing Fang, Qiang Shu
Monocyte apoptosis is a key mechanism that orchestrates host immune responses during sepsis. TRIM22 is constitutively expressed at high levels in monocytes and plays important roles in the antiviral response and inflammation. Overexpression of TRIM22 interferes with the clonogenic growth of monocytic cells, suggesting that TRIM22 may regulate monocyte survival. However, the effect of TRIM22 on monocyte apoptosis remains unknown. In the present report, lipopolysaccharides (LPS)-primed human peripheral blood monocytes expressing higher levels of TRIM22 were more sensitive to apoptosis...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078595/method-to-measure-sphingomyelin-synthase-activity-changes-in-response-to-cd95l
#11
Fatima Bilal, Michaël Pérès, Nathalie Andrieu-Abadie, Thierry Levade, Bassam Badran, Ahmad Daher, Bruno Ségui
Sphingomyelin synthases 1 and 2 convert the anti-oncometabolite ceramide to sphingomyelin, the most abundant sphingolipid in plasma membrane. CD95L-induced ceramide increase is associated with the caspase-dependent inhibition of sphingomyelin synthesis, which enhances the mitochondrial route to apoptosis. Knocking down sphingomyelin synthase 1 or inhibiting sphingomyelin synthesis facilitates ceramide accumulation, cytochrome c release from mitochondria, and caspase-9 activation in cancer cell upon CD95L treatment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28075477/escin-induces-apoptosis-in-human-renal-cancer-cells-through-g2-m-arrest-and-reactive-oxygen-species-modulated-mitochondrial-pathways
#12
Sheau-Yun Yuan, Chen-Li Cheng, Shian-Shiang Wang, Hao-Chung Ho, Kun-Yuan Chiu, Chuan-Shu Chen, Cheng-Che Chen, Ming-Yuh Shiau, Yen-Chuan Ou
Escin, a natural pentacyclic triterpenoid compound, exhibits antitumor effects on various types of human cancer cells, but its effect on human renal cancer cells has not been fully elucidated. In the present study, we demonstrated that escin elicits cytotoxic effects on human renal cancer cells (786-O and Caki-1) in a dose-dependent manner, as determined by MTT assay. Escin induced G2/M arrest, and then increased the sub-G1 population, Annexin V binding, activation of caspase-9/-3, cleavage of poly(ADP-ribose) polymerase (PARP) and Bax protein...
January 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28074262/activated-microglia-induce-the-production-of-reactive-oxygen-species-and-promote-apoptosis-of-co-cultured-retinal-microvascular-pericytes
#13
Xinyi Ding, Meng Zhang, Ruiping Gu, Gezhi Xu, Haixiang Wu
PURPOSE: Pericyte apoptosis is a predominant feature of early diabetic retinopathy. In diabetic retinopathy, activated microglia migrate and release proinflammatory cytokines that contribute to disruption of the blood-retinal barrier, neuronal loss, and enhanced ROS production. Reactive oxygen species (ROS) are implicated in pericyte death; however, the mechanism by which activated microglia affect retinal microvascular pericytes is unclear. We hypothesized that activated microglia may promote pericyte apoptosis by enhancing ROS production...
January 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28073913/raf-kinases-are-essential-for-phosphate-induction-of-erk1-2-phosphorylation-in-hypertrophic-chondrocytes-and-normal-endochondral-bone-development
#14
Garyfallia Papaioannou, Elizabeth T Petit, Eva S Liu, Manuela Baccarini, Catrin Pritchard, Marie B Demay
Hypophosphatemia causes rickets by impairing hypertrophic chondrocyte apoptosis. Phosphate induction of Mek1/2;Erk1/2 phosphorylation in hypertrophic chondrocytes is required for phosphate-mediated apoptosis and growth plate maturation. Mek1/2 can be activated by numerous molecules including Raf isoforms. A- and B-Raf ablation in chondrocytes does not alter skeletal development while ablation of C-Raf decreases hypertrophic chondrocyte apoptosis and impairs vascularization of the growth plate. However, ablation of C-Raf does not impair phosphate-induced Erk1/2 phosphorylation in vitro, but leads to rickets by decreasing VEGF protein stability...
January 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28073393/study-on-the-mitochondrial-apoptosis-pathways-of-small-cell-lung-cancer-h446-cells-induced-by-trichinella-spiralis-muscle-larvae-esps
#15
Jingmei Luo, L I Yu, Guangcheng Xie, Dan Li, Meng Su, Xuerong Zhao, Luanying DU
Trichinella spiralis (T.spiralis) muscle-larva (ML) excretory-secretory proteins (ESPs) contain antitumour-active substances. ESPs have been shown to inhibit tumour growth. To explore the effects of these proteins on small cell lung cancer cells and the possible mechanisms of their antineoplastic action, H446 SCLC cells were co-cultured with different concentrations of T. spiralis ML ESPs for 12, 24 and 48 h. Our results showed that T. spiralis ML ESPs significantly inhibited H446 cell proliferation, which was dose-and time-dependent...
January 11, 2017: Parasitology
https://www.readbyqxmd.com/read/28072603/dyserythropoiesis-of-myelodysplastic-syndromes
#16
Carine Lefèvre, Sabrina Bondu, Salomé Le Goff, Olivier Kosmider, Michaela Fontenay
PURPOSE OF REVIEW: Myelodysplastic syndromes (MDS) are heterogeneous diseases of the hematopoietic stem cell in the elderly. Anemia is the main symptom that mostly correlates with dysplastic erythropoiesis in the bone marrow. We will review the recent advances in understanding the diverse mechanisms of dyserythropoiesis. RECENT FINDINGS: Dyserythropoiesis defined as 10% dysplastic erythroid cells in the bone marrow is found in more than 80% of early MDS. Immature erythroblasts accumulate at the expense of mature erythroblasts due to differentiation arrest and apoptosis...
January 7, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28071583/anticancer-activities-of-new-n-hetaryl-2-cyanoacetamide-derivatives-incorporating-4-5-6-7-tetrahydrobenzo-b-thiophene-moiety
#17
Magda F Mohamed, Yasmin M Attia, Samia A Shouman, Ismail A Abdelhamid
Novel series of N-(4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl) cyanoacetamide derivatives are synthesized. The structure of these compounds was elucidated using different spectral tools. Compounds were evaluated for their cytotoxic activities against different types of human cancer cell lines including, breast (MCF-7, T47D, MDA MB231); liver (HEPG-2); colon (HCT116); prostate (PC3); and cervix (HELA) cells. In this study, we used compounds 11 and 12 that showed the highest cytotoxicity on PC3 and HEPG2 cells, to explore their effects on apoptosis, invasion ampamp; metastasis and angiogenesis...
January 10, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28070612/macrolide-antibiotics-differentially-influence-human-hepg2-cytotoxicity-and-modulate-intrinsic-extrinsic-apoptotic-pathways-in-rat-hepatocellular-carcinoma-model
#18
Nagwa I Abdel-Hamid, Mona F El-Azab, Yasser M Moustafa
This study was designed to examine the potential antitumor effect of some macrolides: clarithromycin, azithromycin, and erythromycin on chemically induced hepatocellular carcinoma (HCC) in rats and on human hepatoma cells (HepG2) as well. The possible underlying antiapoptotic mechanisms were investigated. Antiproliferative activity was assessed in HepG2 using Sulforhodamine-B staining method. In vivo, HCC was induced in rats by initiation-selection-promotion protocol using diethylnitrosamine (200 mg/kg, single i...
January 9, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28070171/casticin-induces-apoptosis-and-g0-g1-cell-cycle-arrest-in-gallbladder-cancer-cells
#19
Xiao-Ling Song, Yun-Jiao Zhang, Xue-Feng Wang, Wen-Jie Zhang, Zheng Wang, Fei Zhang, Yi-Jian Zhang, Jian-Hua Lu, Jia-Wei Mei, Yun-Ping Hu, Lei Chen, Huai-Feng Li, Yuan-Yuan Ye, Ying-Bin Liu, Jun Gu
BACKGROUND: Casticin, the flavonoid extracted from Vitex rotundifolia L, exerts various biological effects, including anti-inflammatory and anti-cancer activity. The aim of this study is to investigate the effects and mechanisms of casticin in human gallbladder cancer cells. METHODS: Human NOZ and SGC996 cells were used to perform the experiments. CCK-8 assay and colony formation assay were performed to evaluate cell viability. Cell cycle analyses and annexin V/PI staining assay for apoptosis were measured using flow cytometry...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28069354/bufadienolides-from-amphibians-a-promising-source-of-anticancer-prototypes-for-radical-innovation-apoptosis-triggering-and-na-k-atpase-inhibition
#20
REVIEW
Lívia Queiroz de Sousa, Kátia da Conceição Machado, Samara Ferreira de Carvalho Oliveira, Lidiane da Silva Araújo, Evaldo Dos Santos Monção-Filho, Ana Amélia de Carvalho Melo-Cavalcante, Gerardo Magela Vieira-Júnior, Paulo Michel Pinheiro Ferreira
Amphibians present pharmacologically active aliphatic, aromatic and heterocyclic molecules in their skin as defense against microorganisms, predators and infections, such as steroids, alkaloids, biogenic amines, guanidine derivatives, proteins and peptides. Based on the discovered bioactive potential of bufadienolides, this work reviewed the contribution of amphibians, especially from members of Bufonidae family, as source of new cytotoxic and antitumor molecules, highlighting the mechanisms responsible for such amazing biological potentialities...
January 6, 2017: Toxicon: Official Journal of the International Society on Toxinology
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