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https://www.readbyqxmd.com/read/28742211/targeting-of-mir-20a-against-cflar-to-potentiate-trail-induced-apoptotic-sensitivity-in-hepg2-cells
#1
Y Wang, Y-R Zhao, A-Y Zhang, J Ma, Z-Z Wang, X Zhang
The article "Targeting of miR-20a against CFLAR to potentiate TRAIL-induced apoptotic sensitivity in HepG2 cells" by Y. Wang, Y.-R. Zhao, A.-Y. Zhang, J. Ma, Z.-Z. Wang, X. Zhang, published in Eur Rev Med Pharmacol Sci 2017; 21 (9): 2087-2097 has been withdrawn.
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28670784/gene-environment-interactions-involving-functional-variants-results-from-the-breast-cancer-association-consortium
#2
Myrto Barrdahl, Anja Rudolph, John L Hopper, Melissa C Southey, Annegien Broeks, Peter A Fasching, Matthias W Beckmann, Manuela Gago-Dominguez, J Esteban Castelao, Pascal Guénel, Thérèse Truong, Stig E Bojesen, Susan M Gapstur, Mia M Gaudet, Hermann Brenner, Volker Arndt, Hiltrud Brauch, Ute Hamann, Arto Mannermaa, Diether Lambrechts, Lynn Jongen, Dieter Flesch-Janys, Kathrin Thoene, Fergus J Couch, Graham G Giles, Jacques Simard, Mark S Goldberg, Jonine Figueroa, Kyriaki Michailidou, Manjeet K Bolla, Joe Dennis, Qin Wang, Ursula Eilber, Sabine Behrens, Kamila Czene, Per Hall, Angela Cox, Simon Cross, Anthony Swerdlow, Minouk J Schoemaker, Alison M Dunning, Rudolf Kaaks, Paul D P Pharoah, Marjanka Schmidt, Montserrat Garcia-Closas, Douglas F Easton, Roger L Milne, Jenny Chang-Claude
Investigating the most likely causal variants identified by fine-mapping analyses may improve the power to detect gene-environment interactions. We assessed the interplay between 70 SNPs identified by genetic fine-scale mapping of susceptibility loci and 11 epidemiological breast cancer risk factors in relation to breast cancer. Analyses were conducted on up to 58,573 subjects (26,968 cases, 31,605 controls) from the Breast Cancer Association Consortium (BCAC), in one of the largest studies of its kind. Analyses were carried out separately for estrogen receptor positive (ER+) and estrogen receptor negative (ER-) disease...
July 3, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28643196/genetic-variants-in-cell-death-pathway-genes-and-hbv-related-hepatocellular-carcinoma-among-a-chinese-han-population
#3
Fei Liu, Fuqiang Li, Limei Luo, Hanteng Yang, Yonggang Wei, Wentao Wang, Lvnan Yan, Tianfu Wen, Jiayin Yang, Bo Li
Cell death pathway plays an important role in apoptosis, and corruption of this signaling pathway has been shown to participate in carcinogenesis. We aimed at determining whether genetic variants in CASP8, CASP10 and CFLAR influence the development and clinical outcomes of hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). A hospital-based case-control study, including 600 HCC cases and 600 HBsAg positive controls without HCC, was conducted to assess the relationship between 11 tagging SNPs in CASP8, CASP10 and CFLAR and HBV-related HCC risk and prognosis in a Chinese Han population...
June 22, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28558704/genome-wide-network-based-pathway-analysis-of-csf-t-tau-a%C3%AE-1-42-ratio-in-the-adni-cohort
#4
Wang Cong, Xianglian Meng, Jin Li, Qiushi Zhang, Feng Chen, Wenjie Liu, Ying Wang, Sipu Cheng, Xiaohui Yao, Jingwen Yan, Sungeun Kim, Andrew J Saykin, Hong Liang, Li Shen
BACKGROUND: The cerebrospinal fluid (CSF) levels of total tau (t-tau) and Aβ1-42 are potential early diagnostic markers for probable Alzheimer's disease (AD). The influence of genetic variation on these CSF biomarkers has been investigated in candidate or genome-wide association studies (GWAS). However, the investigation of statistically modest associations in GWAS in the context of biological networks is still an under-explored topic in AD studies. The main objective of this study is to gain further biological insights via the integration of statistical gene associations in AD with physical protein interaction networks...
May 30, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28537677/targeting-of-mir-20a-against-cflar-to-potentiate-trail-induced-apoptotic-sensitivity-in-hepg2-cells
#5
Y Wang, Y-R Zhao, A-Y Zhang, J Ma, Z-Z Wang, X Zhang
OBJECTIVE: Elevated expression of caspase-8 (CASP8) and Fas-associating protein with a novel death domain (FADD)-like apoptosis regulator (CFLAR) increases sensitivity against tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL)-induced cell apoptosis, but with an unclear mechanism. A previous study showed decreased microRNA-20a (miR-20a) expression in hepatocellular carcinoma (HCC) patient's tumor tissues. Bioinformatics analysis showed potential targeting relationship between the 3-UTR of CFLAR and miR-20a...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28481875/identification-of-a-tlr2-regulated-gene-signature-associated-with-tumor-cell-growth-in-gastric-cancer
#6
A C West, K Tang, H Tye, L Yu, N Deng, M Najdovska, S J Lin, J J Balic, E Okochi-Takada, P McGuirk, B Keogh, W McCormack, P S Bhathal, M Reilly, M Oshima, T Ushijima, P Tan, B J Jenkins
Toll-like receptors (TLRs) are key regulators of innate immune responses, and their dysregulation is observed in numerous inflammation-associated malignancies, including gastric cancer (GC). However, the identity of specific TLRs and their molecular targets which promote the pathogenesis of human GC is ill-defined. Here, we sought to determine the clinical utility of TLR2 in human GC. TLR2 mRNA and protein expression levels were elevated in >50% of GC patient tumors across multiple ethnicities. TLR2 was also widely expressed among human GC cell lines, and DNA microarray-based expression profiling demonstrated that the TLR2-induced growth responsiveness of human GC cells corresponded with the up-regulation of six anti-apoptotic (BCL2A1, BCL2, BIRC3, CFLAR, IER3, TNFAIP3) and down-regulation of two tumor suppressor (PDCD4, TP53INP1) genes...
May 8, 2017: Oncogene
https://www.readbyqxmd.com/read/28407008/dysregulated-signaling-proliferation-and-apoptosis-impact-on-the-pathogenesis-of-tcr%C3%AE-%C3%AE-t-cell-large-granular-lymphocyte-leukemia
#7
Martine J Kallemeijn, Dick de Ridder, Joyce Schilperoord-Vermeulen, Michèle Y van der Klift, Yorick Sandberg, Jacques J M van Dongen, Anton W Langerak
TCRγδ+ T-LGL leukemia is a rare form of chronic mature T cell disorders in elderly, which is generally characterized by a persistently enlarged CD3+CD57+TCRγδ+ large granular lymphocyte population in the peripheral blood with a monoclonal phenotype. Clinically, the disease is heterogeneous, most patients being largely asymptomatic, although neutropenia, fatigue and B symptoms and underlying diseases such as autoimmune diseases or malignancies are also often observed. The etiology of TCRγδ+ T-LGL proliferations is largely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28235715/down-regulation-of-anti-apoptotic-genes-in-tumor-cell-lines-is-facilitated-by-suppression-of-oct4b1
#8
Mohammad Reza Mirzaei, Mehdi Mahmoodi, Gholamhossein Hassanshahi, Zahra Ahmadi
PURPOSE: The OCT4B1 as a variant of OCT4 is expressed in both cancer cells and tissues. The anti-apoptotic property of this variant aid cancer cells to escape from apoptosis. Therefore, the aim of the present study was to determine the effects of OCT4B1 suppression on regulation of 25 genes involved in anti-apoptotic pathway in tumor cell lines. MATERIAL AND METHODS: AGS (gastric adenocarcinoma), 5637 (bladder tumor) and U-87MG (brain tumor) cells were transfected with specific OCT4B1 siRNA and a scramble siRNA by siRNA silencing gene technology, using Lipofectamine 2000 commercial kit...
March 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28218919/targeting-casp8-and-fadd-like-apoptosis-regulator-ameliorates-nonalcoholic-steatohepatitis-in-mice-and-nonhuman-primates
#9
Pi-Xiao Wang, Yan-Xiao Ji, Xiao-Jing Zhang, Ling-Ping Zhao, Zhen-Zhen Yan, Peng Zhang, Li-Jun Shen, Xia Yang, Jing Fang, Song Tian, Xue-Yong Zhu, Jun Gong, Xin Zhang, Qiao-Fang Wei, Yong Wang, Jing Li, Lu Wan, Qingguo Xie, Zhi-Gang She, Zhihua Wang, Zan Huang, Hongliang Li
Nonalcoholic steatohepatitis (NASH) is a progressive disease that is often accompanied by metabolic syndrome and poses a high risk of severe liver damage. However, no effective pharmacological treatment is currently available for NASH. Here we report that CASP8 and FADD-like apoptosis regulator (CFLAR) is a key suppressor of steatohepatitis and its metabolic disorders. We provide mechanistic evidence that CFLAR directly targets the kinase MAP3K5 (also known as ASK1) and interrupts its N-terminus-mediated dimerization, thereby blocking signaling involving ASK1 and the kinase MAPK8 (also known as JNK1)...
April 2017: Nature Medicine
https://www.readbyqxmd.com/read/28068922/functional-changes-in-mrna-expression-and-alternative-pre-mrna-splicing-associated-with-the-effects-of-nutrition-on-apoptosis-and-spermatogenesis-in-the-adult-testis
#10
Yongjuan Guan, Guanxiang Liang, Graeme B Martin, Le Luo Guan
BACKGROUND: The effects of nutrition on testis mass in the sexually mature male have long been known, however, the cellular and molecular processes of the testis response to nutrition was not fully understood. METHODS: We tested whether the defects in spermatogenesis and increases in germ cell apoptosis in the testis that are induced by under-nutrition are associated with changes in mRNA expression and pre-mRNA alternative splicing using groups of 8 male sheep fed for a 10% increase or 10% decrease in body mass over 65 days...
January 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28018301/screening-and-identification-of-apoc1-as-a-novel-potential-biomarker-for-differentiate-of-mycoplasma-pneumoniae-in-children
#11
Jieqiong Li, Lin Sun, Fang Xu, Hui Qi, Chen Shen, Weiwei Jiao, Jing Xiao, Qinjing Li, Baoping Xu, Adong Shen
Background: Although Mycoplasma pneumoniae (MP) is a common cause of community-acquired pneumonia (CAP) in children, the currently used diagnostic methods are not optimal. Proteomics is increasingly being used to study the biomarkers of infectious diseases. Methods: Label-free quantitative proteomics and liquid chromatography-mass/mass spectrometry were used to analyze the fold change of protein expression in plasma of children with MP pneumonia (MPP), infectious disease control (IDC), and healthy control (HC) groups...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27855375/three-circulating-lncrna-predict-early-progress-of-esophageal-squamous-cell-carcinoma
#12
Hai-Bo Hu, Hong-Ying Jie, Xiang-Xiang Zheng
BACKGROUND/AIMS: Previous studies revealed that circulating (either from plasma or serum) long non-coding RNA may predict the occurrence or prognosis of multiple human malignant tumors. In this study, we mainly explored whether circulating lncRNAs can be utilized as biomarkers predicting the development of human esophageal squamous cell carcinoma (ESCC). METHODS: LncRNA microarray was applied to screen the potential biomarkers for ESCC. Each group contained three individual plasma samples...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27770461/depletion-of-myeloid-cells-exacerbates-hepatitis-and-induces-an-aberrant-increase-in-histone-h3-in-mouse-serum
#13
Xuehua Piao, Soh Yamazaki, Sachiko Komazawa-Sakon, Sanae Miyake, Osamu Nakabayashi, Takeyuki Kurosawa, Tetsuo Mikami, Minoru Tanaka, Nico Van Rooijen, Masaki Ohmuraya, Akira Oikawa, Yuko Kojima, Soichiro Kakuta, Yasuo Uchiyama, Masato Tanaka, Hiroyasu Nakano
Tissue-resident macrophages and bone marrow (BM)-derived monocytes play a crucial role in the maintenance of tissue homeostasis; however, their contribution to recovery from acute tissue injury is not fully understood. To address this issue, we generated an acute murine liver injury model using hepatocyte-specific Cflar-deficient (Cflar(Hep-low) ) mice. Cellular FLICE-inhibitory protein expression was down-regulated in Cflar-deficient hepatocytes, which thereby increased susceptibility of hepatocytes to death receptor-induced apoptosis...
January 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27721066/short-form-flice-inhibitory-protein-promotes-tnf%C3%AE-induced-necroptosis-in-fibroblasts-derived-from-cflars-transgenic-mice
#14
Ryodai Shindo, Soh Yamazaki, Masaki Ohmuraya, Kimi Araki, Hiroyasu Nakano
Cellular FLICE-inhibitory protein (cFLIP) is a catalytically inactive homolog of the initiator caspase, caspase 8 and blocks apoptosis through binding to caspase 8. Human CFLAR gene encodes two proteins, a long form cFLIP (cFLIPL) and a short form cFLIP (cFLIPs) due to an alternative splicing. Recent studies have shown that expression of cFLIPs, but not cFLIPL promotes programmed necrosis (also referred to as necroptosis) in an immortalized human keratinocyte cell line, HaCaT. Here, we found that expression of cFLIPs similarly promoted necroptosis in immortalized fibroblasts...
November 4, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27690003/decreased-expression-of-srsf2-splicing-factor-inhibits-apoptotic-pathways-in-renal-cancer
#15
Hanna Kędzierska, Piotr Popławski, Grażyna Hoser, Beata Rybicka, Katarzyna Rodzik, Elżbieta Sokół, Joanna Bogusławska, Zbigniew Tański, Anna Fogtman, Marta Koblowska, Agnieszka Piekiełko-Witkowska
Serine and arginine rich splicing factor 2(SRSF2) belongs to the serine/arginine (SR)-rich family of proteins that regulate alternative splicing. Previous studies suggested that SRSF2 can contribute to carcinogenic processes. Clear cell renal cell carcinoma (ccRCC) is the most common subtype of kidney cancer, highly aggressive and difficult to treat, mainly due to resistance to apoptosis. In this study we hypothesized that SRSF2 contributes to the regulation of apoptosis in ccRCC. Using tissue samples obtained from ccRCC patients, as well as independent validation on The Cancer Genome Atlas (TCGA) data, we demonstrate for the first time that expression of SRSF2 is decreased in ccRCC tumours when compared to non-tumorous control tissues...
September 28, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27385439/fas-apoptosis-inhibitory-molecules-more-than-death-receptor-antagonists-in-the-nervous-system
#16
REVIEW
Laura Planells-Ferrer, Jorge Urresti, Elena Coccia, Koen M O Galenkamp, Isabel Calleja-Yagüe, Joaquín López-Soriano, Paulina Carriba, Bruna Barneda-Zahonero, Miguel F Segura, Joan X Comella
The importance of death receptor (DR) signaling in embryonic development and physiological homeostasis is well established, as is the existence of several molecules that modulate DRs function, among them Fas Apoptotis Inhibitory Molecules. Although FAIM1, FAIM2, and FAIM3 inhibit Fas-induced cell death, they are not structurally related, nor do they share expression patterns. Moreover, they inhibit apoptosis through completely different mechanisms. FAIM1 and FAIM2 protect neurons from DR-induced apoptosis and are involved in neurite outgrowth and neuronal plasticity...
October 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27186395/methyl-jasmonate-induces-apoptosis-and-pro-apoptotic-autophagy-via-the-ros-pathway-in-human-non-small-cell-lung-cancer
#17
Mutian Zhang, Ling Su, Zhenna Xiao, Xianfang Liu, Xiangguo Liu
Methyl jasmonate (MJ) is a botanical hormone that serves as a signal transduction intermediate and regulates cell death in stressed plants. MJ induces cell cycle arrest, apoptosis and non-apoptotic cell death selectively in cancer cells. However, the underlying mechanism of MJ-induced apoptosis remains unclear. In this study, we examined the molecular mechanism through which MJ induces apoptosis in human non-small cell lung cancer (NSCLC). We found that MJ triggered apoptosis via the DDIT3-TNFRSF10B-CASP axis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27057733/atp13a2-expression-in-the-periaqueductal-gray-is-decreased-in-the-pink1-rat-model-of-parkinson-disease
#18
Cynthia A Kelm-Nelson, Sharon A Stevenson, Michelle R Ciucci
Vocal communication deficits are common in Parkinson disease (PD). Widespread alpha-synuclein pathology is a common link between familial and sporadic PD, and recent genetic rat models based on familial genetic links increase the opportunity to explore vocalization deficits and their associated neuropathologies. Specifically, the Pink1 knockout (-/-) rat presents with early, progressive motor deficits, including significant vocal deficits, at 8 months of age. Moreover, this rat model exhibits alpha-synuclein pathology compared to age-matched non-affected wildtype (WT) controls...
May 16, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27056574/developmental-checkpoints-guarded-by-regulated-necrosis
#19
REVIEW
Christopher P Dillon, Bart Tummers, Katherine Baran, Douglas R Green
The process of embryonic development is highly regulated through the symbiotic control of differentiation and programmed cell death pathways, which together sculpt tissues and organs. The importance of programmed necrotic (RIPK-dependent necroptosis) cell death during development has recently been recognized as important and has largely been characterized using genetically engineered animals. Suppression of necroptosis appears to be essential for murine development and occurs at three distinct checkpoints, E10...
June 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27042300/differential-changes-in-gene-expression-in-human-neutrophils-following-tnf-%C3%AE-stimulation-up-regulation-of-anti-apoptotic-proteins-and-down-regulation-of-proteins-involved-in-death-receptor-signaling
#20
Direkrit Chiewchengchol, Helen L Wright, Huw B Thomas, Connie W Lam, Kate J Roberts, Nattiya Hirankarn, Michael W Beresford, Robert J Moots, Steven W Edwards
Responses of human neutrophils to TNF-α are complex and multifactorial. Exposure of human neutrophils to TNF-α in vitro primes the respiratory burst, delays apoptosis and induces the expression of several genes including chemokines, and TNF-α itself. This study aimed to determine the impact of TNF-α exposure on the expression of neutrophil genes and proteins that regulate apoptosis. Quantitative PCR and RNA-Seq, identified changes in expression of several apoptosis regulating genes in response to TNF-α exposure...
March 2016: Immunity, Inflammation and Disease
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