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https://www.readbyqxmd.com/read/28344327/mevalonate-cascade-inhibition-by-simvastatin-induces-the-intrinsic-apoptosis-pathway-via-depletion-of-isoprenoids-in-tumor-cells
#1
Javad Alizadeh, Amir A Zeki, Nima Mirzaei, Sandipan Tewary, Adel Rezaei Moghadam, Aleksandra Glogowska, Pandian Nagakannan, Eftekhar Eftekharpour, Emilia Wiechec, Joseph W Gordon, Fred Y Xu, Jared T Field, Ken Y Yoneda, Nicholas J Kenyon, Mohammad Hashemi, Grant M Hatch, Sabine Hombach-Klonisch, Thomas Klonisch, Saeid Ghavami
The mevalonate (MEV) cascade is responsible for cholesterol biosynthesis and the formation of the intermediate metabolites geranylgeranylpyrophosphate (GGPP) and farnesylpyrophosphate (FPP) used in the prenylation of proteins. Here we show that the MEV cascade inhibitor simvastatin induced significant cell death in a wide range of human tumor cell lines, including glioblastoma, astrocytoma, neuroblastoma, lung adenocarcinoma, and breast cancer. Simvastatin induced apoptotic cell death via the intrinsic apoptotic pathway...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28341875/pd-l1-overexpression-is-partially-regulated-by-egfr-her2-signaling-and-associated-with-poor-prognosis-in-patients-with-non-small-cell-lung-cancer
#2
Riki Okita, Ai Maeda, Katsuhiko Shimizu, Yuji Nojima, Shinsuke Saisho, Masao Nakata
Immunocheckpoint inhibitors targeting the programmed cell death-1 (PD-1) and PD-1 ligand 1 (PD-L1) axis have shown promising results in patients with non-small-cell lung cancer (NSCLC). Recent research has shown that epidermal growth factor receptor (EGFR) signaling affects PD-L1 expression in NSCLC cells; however, the mechanism regulating PD-L1 expression in tumor cells remains unclear. Using immunohistochemistry, we evaluated the impact of expression of PD-L1 and EGF family receptors EGFR and human epidermal growth factor receptor 2 (HER2) in tumor cells from 91 patients with pathological Stage IA-IIIA NSCLC...
March 25, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28338617/egfr-family-members-regulation-of-autophagy-is-at-a-crossroads-of-cell-survival-and-death-in-cancer
#3
REVIEW
Elizabeth Henson, Yongqiang Chen, Spencer Gibson
The epidermal growth factor receptor (EGFR) signaling pathways are altered in many cancers contributing to increased cell survival. These alterations are caused mainly through increased expression or mutation of EGFR family members EGFR, ErbB2, ErbB3, and ErbB4. These receptors have been successfully targeted for cancer therapy. Specifically, a monoclonal antibody against ErbB2, trastuzumab, and a tyrosine kinase inhibitor against EGFR, gefitinib, have improved the survival of breast and lung cancer patients...
March 24, 2017: Cancers
https://www.readbyqxmd.com/read/28337958/knockdown-of-homeobox-b5-hoxb5-inhibits-cell-proliferation-migration-and-invasion-in-non-small-cell-lung-cancer-cells-through-inactivation-of-the-wnt-%C3%AE-catenin-pathway
#4
Bin Zhang, Na Li, Hao Zhang
Homeobox B5 (HOXB5), a member of the HOX gene family, has been demonstrated to play an important role in tumor progression. However, the expression and functional role of HOXB5 in human non-small cell lung cancer (NSCLC) have not been defined. Thus, the purpose of this study was to elucidate the expression and functional role of HOXB5 in human NSCLC. Our results showed that HOXB5 expression was elevated in human NSCLC tissues and cell lines. The in vitro experiments demonstrated that knockdown of HOXB5 inhibited the proliferation, migration and invasion, as well as prevented the EMT phenotype in NSCLC cells...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28337310/upregulation-of-tspan12-is-associated-with-the-colorectal-cancer-growth-and-metastasis
#5
Jiao Liu, Chuang Chen, Guang Li, Dechang Chen, Qingshan Zhou
Tetraspanin 12 (TSPAN12), as an earliest member of tetraspanin family, has been recently shown to be highly expressed in several malignant tumors, such as lung cancer and breast cancer, which plays an important role in regulating cell proliferation, migration and invasion. However, the functional roles of TSPAN12 in colorectal cancer (CRC) remain largely unclear. In this study, the expression of TSPAN12 was up-regulated compared to that in paracarcinoma tissues. Higher TSPAN12 expression was significantly correlated with TNM stage, tumor size and lymph node metastasis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28331343/silencing-trim59-inhibits-invasion-migration-and-epithelial-to-mesenchymal-transition-via-tgf-%C3%AE-smad2-3-signaling-pathway-in-bladder-cancer-cells
#6
Wei Chen, Kai Zhao, Chenkui Miao, Aiming Xu, Jianzhong Zhang, Jundong Zhu, Shifeng Su, Zengjun Wang
The evolutionarily conserved genes that encode the tripartite motif (TRIM) protein family are involved in various biological processes, including cellular immunity, inflammatory reaction, antiviral activity, and tumor progression. One member of this protein family, Trim59, has been reported as a novel biomarker for the occurrence and progression of multiple human carcinomas, such as lung cancer, gastric cancer, cervical cancer, and osteosarcoma. However, little is known about the relationship between Trim59 and bladder carcinogenesis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28326182/birt-hogg-dub%C3%A3-syndrome-a-case-report-and-a-review-of-the-literature
#7
REVIEW
Dea Kejlberg Jensen, Anders Villumsen, Anne-Bine Skytte, Mia Gebauer Madsen, Mette Sommerlund, Elisabeth Bendstrup
Background: Birt-Hogg-Dubé syndrome (BHDS) is a rare autosomal dominant inherited syndrome caused by mutations in the folliculin coding gene (FLCN). The clinical manifestations of the syndrome involve the skin, lungs, and kidneys. Because of the rarity of the syndrome, guidelines for diagnosis and management of the patients with BHDS are lacking. Objective: To present a case story and a review of the literature on BHDS in order to give an update on genetics, clinical manifestations, diagnosis, treatment, prognosis and follow-up strategies...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28321613/idh-inhibiting-small-molecule-dtdq-inhibits-migration-and-invasion-of-a549-human-non-small-cell-lung-cancer-cells-via-sequential-inactivation-of-erk-and-p38-signaling-pathways
#8
Soonchan Park, Jongsung Lee, Sang Yeol Lee
Migration and invasion are two core processes during cancer metastasis, and several signaling pathways have been shown to be involved. A key regulator of metastasis is the mitogen-activated protein kinase signaling pathway. Here, we report that the small molecule, 6,7-dimethyl-4-(3,4,5-trimethoxyphenyl)-3,4-dihydroquinolin-2(1H)-one, inhibited isocitrate dehydrogenase activity and had anti-metastatic effects in A549 human non-small-cell lung cancer cells. 6,7-dimethyl-4-(3,4,5-trimethoxyphenyl)-3,4-dihydroquinolin-2(1H)-one induced sequential inactivation of the extracellular signal-regulated kinases and p38 signaling pathways, both representative mitogen-activated protein kinase family members...
March 21, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28319809/abt-737-synergizes-with-cisplatin-bypassing-aberration-of-apoptotic-pathway-in-non-small-cell-lung-cancer
#9
Eun Young Kim, Ji Ye Jung, Arum Kim, Yoon Soo Chang, Se Kyu Kim
A subset of non-small cell lung cancer (NSCLC), which does not have a druggable driver mutation, is treated with platinum-based cytotoxic chemotherapy, but it develops resistance triggered by DNA damage responses. Here, we investigated the effect of activation of STAT3 by cisplatin on anti-apoptotic proteins and the effectiveness of a co-treatment with cisplatin and a BH3 mimetic, ABT-737. We analyzed the relationship between cisplatin and STAT3 pathway and effect of ABT-737, when combined with cisplatin in NSCLC cells and K-ras mutant mouse models...
March 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28319412/un-methylation-of-the-survivin-gene-has-no-effect-on-immunohistochemical-expression-of-survivin-protein-in-lung-cancer-patients-with-squamous-cell-carcinoma
#10
O Yalcin, M Budak
Survivin is a member of the inhibitor of apoptosis (IAP) family. The function of the survivin protein is to inhibit caspase activation, thereby leading to negative regulation of apoptosis or programmed cell death. This has been shown by the disruption of survivin induction pathways leading to an increased apoptosis and decreased tumour growth. These data suggest that survivin may provide a new target for cancer treatment, which would distinguish transformed cells from normal cells. In the present study, we aimed to investigate exon 1 of the survivin gene by means of methylation-specific PCR and evaluate its impact on survivin protein expression following DNA isolation and bisulphite modification in paraffin-embedded normal and tumour tissues of lung cancer patients with squamous cell carcinoma...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28316613/ppar-agonists-for-the-prevention-and-treatment-of-lung-cancer
#11
REVIEW
Sowmya P Lakshmi, Aravind T Reddy, Asoka Banno, Raju C Reddy
Lung cancer is the most common and most fatal of all malignancies worldwide. Furthermore, with more than half of all lung cancer patients presenting with distant metastases at the time of initial diagnosis, the overall prognosis for the disease is poor. There is thus a desperate need for new prevention and treatment strategies. Recently, a family of nuclear hormone receptors, the peroxisome proliferator-activated receptors (PPARs), has attracted significant attention for its role in various malignancies including lung cancer...
2017: PPAR Research
https://www.readbyqxmd.com/read/28315004/alex1-a-novel-tumor-suppressor-gene-inhibits-gastric-cancer-metastasis-via-the-par-1-rho-gtpase-signaling-pathway
#12
Li Pang, Jian-Fang Li, Liping Su, Mingde Zang, Zhiyuan Fan, Beiqin Yu, Xiongyan Wu, Chen Li, Min Yan, Zheng-Gang Zhu, Bingya Liu
BACKGROUND: The ALEX is a novel member of the armadillo family and ALEX1 was reported to be reduced or even lost in multiple solid tumors. However, its expression profile and oncogenic role in gastric cancer (GC) remains largely unknown. METHODS: ALEX1 expression was detected in 161 GC samples by immunohistochemistry staining. NCI-N87 cells transfected by ALEX1 lentivirus vectors and MKN28 cells transfected by ALEX1 shRNA were used for biological function investigation...
March 17, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28306571/cns-syndromes-associated-with-antibodies-against-metabotropic-receptors
#13
Eric Lancaster
PURPOSE OF REVIEW: Autoantibodies to Central nervous system (CNS) metabotropic receptors are associated with a growing family of autoimmune brain diseases, including encephalitis, basal ganglia encephalitis, Ophelia syndrome, and cerebellitis. The purpose of this review is to summarize the state of knowledge regarding the target receptors, the neurological autoimmune disorders, and the pathogenic mechanisms. RECENT FINDINGS: Antibodies to the γ-aminobutyric acid B receptor are associate with limbic encephalitis and severe seizures, often with small cell lung cancers...
March 16, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28302216/-association-of-indoor-air-pollution-single-nucleotide-polymorphism-of-hif-1%C3%AE-gene-with-susceptibility-to-lung-cancer-in-han-population-in-fujian-province
#14
Fei He, Qi Qi, Xu Li, Rendong Xiao, Qiuping Xu, Weimin Xiong, Zhiqiang Liu, Lin Cai
BACKGROUND: Hypoxia inducible factor-1α (HIF-1α) is associated with the progression and metastasis of lung cancer. There are, however, few studies on the relationship between the single nucleotide polymorphisms of HIF-1α and susceptibility to lung cancer. Therefore, we aimed to investigate the relationship between indoor air pollution, HIF-1α rs2057482, and the susceptibility to primary lung cancer of the Fujian Han population. METHODS: The present study is a hospital-based case-control study...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28300603/a-comprehensive-guide-to-the-mage-family-of-ubiquitin-ligases
#15
REVIEW
Anna K Lee, Patrick Ryan Potts
Melanoma antigen (MAGE) genes are conserved in all eukaryotes and encode for proteins sharing a common MAGE homology domain. Although only a single MAGE gene exists in lower eukaryotes, the MAGE family rapidly expanded in eutherians and consists of more than 50 highly conserved genes in humans. A subset of MAGEs initially garnered interest as cancer biomarkers and immunotherapeutic targets due to their antigenic properties and unique expression pattern that is primary restricted to germ cells and aberrantly re-activated in various cancers...
March 11, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28296008/sanguinarine-exhibits-antitumor-activity-via-up-regulation-of-fas-associated-factor-1-in-non-small-cell-lung-cancer
#16
Guangxia Wei, Yahuan Xu, Tao Peng, Jie Yan, Zhengjun Wang, Zhanwen Sun
Lung cancer is the most common type of malignancy and one of the leading causes of cancer-related deaths in the world. Non-small cell lung carcinomas (NSCLC) account for 85% cases of lung cancer. Sanguinarine (SNG) is a benzophenanthridine alkaloid isolated from plants of the Papaveraceae family that possess diverse biological activities. SNG exhibits antitumor effects in several cancer cells. However, the effects of SAN on NSCLC proliferation, invasion, and migration and the mechanisms remain to be clarified...
March 14, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28294998/economic-burden-for-lung-cancer-survivors-in-urban-china
#17
Xin Zhang, Shuai Liu, Yang Liu, Jian Du, Wenqi Fu, Xiaowen Zhao, Weidong Huang, Xianming Zhao, Guoxiang Liu, Zhengzhong Mao, Teh-Wei Hu
BACKGROUND: With the rapid increase in the incidence and mortality of lung cancer, a growing number of lung cancer patients and their families are faced with a tremendous economic burden because of the high cost of treatment in China. This study was conducted to estimate the economic burden and patient responsibility of lung cancer patients and the impact of this burden on family income. METHODS: This study uses data from a retrospective questionnaire survey conducted in 10 communities in urban China and includes 195 surviving lung cancer patients diagnosed over the previous five years...
March 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28294470/exome-sequencing-deciphers-a-germline-met-mutation-in-familial-epidermal-growth-factor-receptor-mutant-lung-cancer
#18
Naoki Tode, Toshiaki Kikuchi, Tomohiro Sakakibara, Taizou Hirano, Akira Inoue, Shinya Ohkouchi, Tsutomu Tamada, Tatsuma Okazaki, Akira Koarai, Hisatoshi Sugiura, Tetsuya Niihori, Yoko Aoki, Keiko Nakayama, Kunio Matsumoto, Yoichi Matsubara, Masayuki Yamamoto, Akira Watanabe, Toshihiro Nukiwa, Masakazu Ichinose
Lung cancer accompanied by somatic activating mutations in the epidermal growth factor receptor (EGFR) gene, which is associated with a significant clinical response to the targeted therapy, is frequently found in never-smoking Asian women with adenocarcinoma. Although this implies genetic factors underlying the carcinogenesis, the etiology remains unclear. To gain insight into the pathogenic mechanisms, we sequenced the exomes in the peripheral-blood DNA from six siblings, four affected and two unaffected siblings, of a kindred with familial EGFR-mutant lung adenocarcinoma...
March 13, 2017: Cancer Science
https://www.readbyqxmd.com/read/28289824/a-mirna-signature-for-an-environmental-heterocyclic-amine-defined-by-a-multi-organ-carcinogenicity-bioassay-in-the-rat
#19
Ying-Shiuan Chen, Rong Wang, Wan-Mohaiza Dashwood, Christiane V Löhr, David E Williams, Emily Ho, Susanne Mertens-Talcott, Roderick H Dashwood
Heterocyclic amines (HCAs) produced during high-temperature cooking have been studied extensively in terms of their genotoxic/genetic effects, but recent work has implicated epigenetic mechanisms involving non-coding RNAs. Colon tumors induced in the rat by 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) have altered microRNA (miRNA) signatures linked to dysregulated pluripotency factors, such as c-Myc and Krüppel-like factor 4 (KLF4). We tested the hypothesis that dysregulated miRNAs from PhIP-induced colon tumors would provide a "PhIP signature" for use in other target organs obtained from a 1-year carcinogenicity bioassay in the rat...
March 13, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28286419/dual-roles-of-extracellular-signal-regulated-kinase-erk-in-quinoline-compound-bpiq-induced-apoptosis-and-anti-migration-of-human-non-small-cell-lung-cancer-cells
#20
Yao Fong, Chang-Yi Wu, Kuo-Feng Chang, Bing-Hung Chen, Wan-Ju Chou, Chih-Hua Tseng, Yen-Chun Chen, Hui-Min David Wang, Yeh-Long Chen, Chien-Chih Chiu
BACKGROUND: 2,9-Bis[2-(pyrrolidin-1-yl)ethoxy]-6-{4-[2-(pyrrolidin-1-yl)ethoxy] phenyl}-11H-indeno[1,2-c]quinoline-11-one (BPIQ), is a synthetic quinoline analog. A previous study showed the anti-cancer potential of BPIQ through modulating mitochondrial-mediated apoptosis. However, the effect of BPIQ on cell migration, an index of cancer metastasis, has not yet been examined. Furthermore, among signal pathways involved in stresses, the members of the mitogen-activated protein kinase (MAPK) family are crucial for regulating the survival and migration of cells...
2017: Cancer Cell International
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