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Gallbladder cancer

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https://www.readbyqxmd.com/read/28441704/a-study-of-alcohol-consumption-and-obesity-as-main-risk-factor-for-symptomatic-gallbladder-stone-a-case-control-study
#1
Byung Hyo Cha, Ban Seok Lee, Sang Hyub Lee, Seung Joo Kang, Min Jung Park
Background: Gallbladder stone (GBS) is a common gastrointestinal disease that can progress to severe cholecystitis and is a strong risk factor for gallbladder cancer (GBC). The present study was conducted to evaluate region-specific causes of GBS which was proved as major risk factor for GBC in Jeju Island, Korea. Methods: Age and sex match case-control study was performed among 171 pairs of case and controls. The cases were patients who were diagnosed with GBS, had definite clinical symptoms, and underwent a cholecystectomy in Cheju Halla General Hospital, Jeju, Korea during 2010-2014...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441380/comparison-of-general-obesity-and-measures-of-body-fat-distribution-in-older-adults-in-relation-to-cancer-risk-meta-analysis-of-individual-participant-data-of-seven-prospective-cohorts-in-europe
#2
Heinz Freisling, Melina Arnold, Isabelle Soerjomataram, Mark George O'Doherty, José Manuel Ordóñez-Mena, Christina Bamia, Ellen Kampman, Michael Leitzmann, Isabelle Romieu, Frank Kee, Konstantinos Tsilidis, Anne Tjønneland, Antonia Trichopoulou, Paolo Boffetta, Vassiliki Benetou, H B As Bueno-de-Mesquita, José María Huerta, Hermann Brenner, Tom Wilsgaard, Mazda Jenab
BACKGROUND: We evaluated the associations of anthropometric indicators of general obesity (body mass index, BMI), an established risk factor of various cancer, and body fat distribution (waist circumference, WC; hip circumference, HC; and waist-to-hip ratio, WHR), which may better reflect metabolic complications of obesity, with total obesity-related and site-specific (colorectal and postmenopausal breast) cancer incidence. METHODS: This is a meta-analysis of seven prospective cohort studies participating in the CHANCES consortium including 18 668 men and 24 751 women with a mean age of 62 and 63 years, respectively...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28438695/wnt-inhibitory-factor-1-promoter-hypermethylation-is-an-early-event-during-gallbladder-cancer-tumorigenesis-that-predicts-poor-survival
#3
Bin Lin, HaiJie Hong, XiaoJie Jiang, ChengZong Li, SiYuan Zhu, NanHong Tang, XiaoQian Wang, FeiFei She, YanLing Chen
Gallbladder cancer (GBC) is the most common malignant tumor in the human biliary tract, but the lack of a marker for timely diagnosis leads to an extremely poor prognosis. In this study, we assessed CpG sites in the WIF-1 promoter using bisulfite sequencing PCR and methylation-specific PCR to detect methylation in gallbladder cancer and cholecystitis tissues. WIF-1 promoter methylation was present in 36 of 50 (72.0%) gallbladder cancers but only 5 of 20 (25.0%) cholecystitis tissues (P=0.000<0.05), suggesting that WIF-1 promoter methylation might participate in the malignant transformation of cholecystitis into gallbladder cancer...
April 21, 2017: Gene
https://www.readbyqxmd.com/read/28428144/association-of-aflatoxin-and-gallbladder-cancer
#4
Jill Koshiol, Yu-Tang Gao, Michael Dean, Patricia Egner, Chirag Nepal, Kristine Jones, Bingsheng Wang, Asif Rashid, Wen Luo, Alison Van Dyke, Catterina Ferreccio, Michael Malasky, Ming-Chang Shen, Bin Zhu, Jesper B Andersen, Allan Hildesheim, Ann W Hsing, John Groopman
BACKGROUND & AIMS: Aflatoxin, which causes hepatocellular carcinoma, may also cause gallbladder cancer. We investigated whether patients with gallbladder cancer have higher exposure to aflatoxin than patients with gallstones. METHODS: We measured aflatoxin B1 (AFB1)-lysine adducts in plasma samples from the Shanghai Biliary Tract Cancer case-control study, conducted from 1997 through 2001. We calculated age- and sex-adjusted odds ratios (ORs) and 95% CIs and the population-attributable fraction for 209 patients with gallbladder cancer and gallstones vs 250 patients with gallstones without cancer (controls)...
April 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28427077/mybl2-is-a-potential-prognostic-marker-that-promotes-cell-proliferation-in-gallbladder-cancer
#5
Hai-Bin Liang, Yang Cao, Qiang Ma, Yi-Jun Shu, Zheng Wang, Fei Zhang, Yuan-Yuan Ye, Huai-Feng Li, Shan-Shan Xiang, Xiao-Ling Song, Yi Xu, Yi-Chi Zhang, Run-Fa Bao, Rui-Yan Yuan, Yi-Jian Zhang, Yun-Ping Hu, Lin Jiang, Mao-Lan Li, Xu-An Wang, Xiang-Song Wu, Wen-Guang Wu, Shuai Zhao, Yong Fand, Xiao-Peng Cui, Yun-Shu Lu, Jian Zhou, Lei Zheng, Wei Gong, Ying-Bin Liu
BACKGROUND: Gallbladder cancer (GBC) is an aggressive and highly lethal biliary tract malignancy, with extremely poor prognosis. In the present study, we analyzed the potential involvement of MYBL2, a member of the Myb transcription factor family, in the carcinogenesis of human GBC. METHODS: MYBL2 expression levels were measured in GBC and cholecystitis tissue specimens using quantitative real-time PCR (qRT-PCR) and immunohistochemical (IHC) assays. The effects of MYBL2 on cell proliferation and DNA synthesis were evaluated using Cell Counting Kit-8 assay (CCK-8), colony formation, and 5-ethynyl-2'-deoxyuridine (EdU) retention assay, flow cytometry analysis, western blot, and a xenograft model of GBC cells in nude mice...
April 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28423729/digitalis-use-and-risk-of-gastrointestinal-cancers-a-nationwide-population-based-cohort-study
#6
Shao-Hua Xie, Tomas Jernberg, Fredrik Mattsson, Jesper Lagergren
BACKGROUND: Gastrointestinal cancers are characterized by a male predominance, suggesting a role of sex hormones.We hypothesized that digitalis medication, due to its estrogenic properties, decreases the risk of male-predominated gastrointestinal cancers. RESULTS: Long -term digitalis use (≥2 years) was followed by decreased risk for several gastrointestinal cancers, but associations were statistically significant only for liver cancer (hazard ratio [HR]=0.40, 95% confidence interval (CI) 0...
March 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423707/tropomyosin-related-kinase-b-mediated-signaling-contributes-to-the-induction-of-malignant-phenotype-of-gallbladder-cancer
#7
Makoto Kawamoto, Hideya Onishi, Keigo Ozono, Akio Yamasaki, Akira Imaizumi, Sachiko Kamakura, Kenji Nakano, Yoshinao Oda, Hideki Sumimoto, Masafumi Nakamura
This study aims to demonstrate the clinical and biological significance of Brain derived neurotrophic factor (BDNF)/Tropomyosin-related kinase B (TrkB) signaling in gallbladder cancer (GBC) through a series of in vitro and in vivo experiments. TrkB expression was detected in 63 (91.3%) out of 69 surgically resected primary GBC specimens by immunohistochemistry. TrkB expression in the invasive front correlated with T factor (p=0.0391) and clinical staging (p=0.0391). Overall survival was lower in patients with high TrkB expression in the invasive front than in those with low TrkB expression (p=0...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423362/trop2-promotes-proliferation-migration-and-metastasis-of-gallbladder-cancer-cells-by-regulating-pi3k-akt-pathway-and-inducing-emt
#8
Xinxing Li, Shifeng Teng, Yanyan Zhang, Weigang Zhang, Xianwen Zhang, Kai Xu, Houshan Yao, Jun Yao, Haolu Wang, Xiaowen Liang, Zhiqian Hu
The human trophoblast cell surface antigen 2 (TROP2) is overexpressed in many cancers. However, its effect on proliferation, migration and metastasis of gallbladder cancer remains unclear. In this study, we found that TROP2 was highly expressed in gallbladder cancer. Overexpression of TROP2 was associated with poor prognosis. Knockdown of TROP2 in gallbladder cancer cell lines strongly inhibited the cell proliferation, clone formation, invasion and migration in vitro, while TROP2 overexpression had opposite effects...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422736/identification-of-map-kinase-pathways-as-therapeutic-targets-in-gallbladder-carcinoma-using-targeted-parallel-sequencing
#9
Mengdan Li, Lihong Chen, Yiping Qu, Fang Sui, Qi Yang, Meiju Ji, Bingyin Shi, Mingwei Chen, Peng Hou
The aim of this study was to profile somatic mutation spectrum in gallbladder cancers (GBCs), and determine the role of MAP kinase pathway in GBC by a series of in vitro and in vivo studies. We performed targeted massively parallel sequencing of DNA isolated from GBCs and matched blood from 14 GBC patients to search for mutations in 504 genes commonly altered in human cancers. We identified recurrent mutations enriched in several major signaling pathways including MAP kinase, Wnt/β-catenin and NF-κB pathways...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420892/adenomyomatosis-concomitant-with-primary-gallbladder-carcinoma
#10
Tatsuya Morikawa, Takehiro Okabayashi, Yasuo Shima, Tatsuaki Sumiyoshi, Akihito Kozuki, Yuichi Saisaka, Teppei Tokumaru, Kenta Sui, Jun Iwata, Manabu Matsumoto, Sojiro Morita, Yutaka Nishioka
Some clinicians have proposed a relationship between gallbladder (GB) cancer and adenomyomatosis (ADM) of the gallbladder, although the latter condition is not considered to have malignant potential. We retrospectively reviewed the surgical pathology database of patients who underwent resection for ADM of the gallbladder at our institution from March 2005 to May 2015. In total, 624 patients underwent surgical resection of the gallbladder with Rokitansky-Aschoff sinuses. Of these cases, 93 were pathologically diagnosed with ADM of the gallbladder, with 44 (47...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28417239/incidental-gallbladder-cancer-residual-cancer-discovered-at-oncologic-extended-resection-determines-outcome-a-report-from-high-and-low-incidence-countries
#11
Eduardo Vinuela, Eduardo A Vega, Suguru Yamashita, Marcel Sanhueza, Rosemarie Mege, Gabriel Cavada, Thomas A Aloia, Yun Shin Chun, Jeffrey E Lee, Jean-Nicolas Vauthey, Claudius Conrad
BACKGROUND: Gallbladder cancer detected incidentally after cholecystectomy (IGBC) currently is the most common diagnosis of gallbladder cancer, and oncologic extended resection (OER) is recommended for tumors classified higher than T1b. However, the precise prognostic significance of residual cancer (RC) found at the time of OER has not been well established. This analysis aimed to determine the prognostic impact of RC found in patients with IGBC undergoing OER. METHODS: Outcomes for IGBC at a center for a low-incidence country (USA) and a high-incidence country (Chile) between January 1999 and June 2015 were analyzed...
April 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28414551/long-noncoding-rna-mnx1-as1-knockdown-inhibits-cell-proliferation-and-migration-in-ovarian-cancer
#12
Yan Lv, Huan Li, Fengling Li, Peishu Liu, Xinrui Zhao
Long noncoding RNAs (lncRNAs) have recently emerged as pivotal regulators that govern fundamental biological processes and disease pathogenesis. LncRNA MNX1-AS1 has been reported to promote cell proliferation and invasion in gallbladder cancer, but its biological role and regulatory mechanism in ovarian cancer are poorly defined. In this study, it was found that higher expression of lncRNA MNX1-AS1 is closely associated with International Federation of Gynecology and Obstetrics stage and lymphatic metastasis in ovarian cancer patients...
April 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28412732/small-molecule-inhibitor-screening-identifified-hsp90-inhibitor-17-aag-as-potential-therapeutic-agent-for-gallbladder-cancer
#13
Helga Weber, José R Valbuena, Mustafa A Barbhuiya, Stefan Stein, Hana Kunkel, Patricia García, Carolina Bizama, Ismael Riquelme, Jaime A Espinoza, Stephen E Kurtz, Jeffrey W Tyner, Juan Francisco Calderon, Alejandro H Corvalán, Manuel Grez, Akhilesh Pandey, Pamela Leal-Rojas, Juan C Roa
Gallbladder cancer (GBC) is a lethal cancer with poor prognosis associated with high invasiveness and poor response to chemotherapy and radiotherapy. New therapeutic approaches are urgently needed in order to improve survival and response rates of GBC patients. We screened 130 small molecule inhibitors on a panel of seven GBC cell lines and identified the HSP90 inhibitor 17-AAG as one of the most potent inhibitory drugs across the different lines. We tested the antitumor efficacy of 17-AAG and geldanamycin (GA) in vitro and in a subcutaneous preclinical tumor model NOD-SCID mice...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401874/-gallbladder-carcinoma-in-iceland-2004-2013
#14
Bryndis Baldvinsdottir, Haraldur Hauksson, Kristin Huld Haraldsdóttir
INTRODUCTION: Gallbladder carcinoma is about 0.5% of all cancer. The outcome of patients with gallbladder carcinoma is overall bad and the only potentially curative treatment is surgery. The aim of this study was to determine the disease's prevalence in Iceland and outcome of the patients diagnosed in the study period. PATIENTS AND METHODS: This was a retrospective study of all diagnosed patients with gallbladder carcinoma during the years 2004-2013. A list of patients was obtained from the Icelandic Cancer Registry...
April 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28400123/predictors-of-incidental-gallbladder-cancer-in-patients-undergoing-cholecystectomy-for-benign-gallbladder-disease-results-from-a-population-based-gallstone-surgery-registry
#15
Carolina Muszynska, Linda Lundgren, Gert Lindell, Roland Andersson, Johan Nilsson, Per Sandström, Bodil Andersson
BACKGROUND: Gallbladder cancer is a rare neoplasm with a poor prognosis. Early diagnosis and correct treatment strategy is important. The aim of this study was to identify predictors for incidental gallbladder cancer. METHODS: Data from cholecystectomies registered in the nationwide Swedish Register for Gallstone Surgery between 2007 and 2014 were analyzed for incidental gallbladder cancer. Exclusion criteria were patients with a gallbladder not sent for histopathology, preoperative suspicion of polyps/gallbladder cancer, and indication for operation for other reasons than gallstone disease...
April 8, 2017: Surgery
https://www.readbyqxmd.com/read/28394406/pbrm1-loss-is-a-late-event-during-the-development-of-cholangiocarcinoma
#16
Claudio Luchini, Scott A Robertson, Seung Mo Hong, Matthäus Felsenstein, Robert A Anders, Antonio Pea, Alessia Nottegar, Nicola Veronese, Jin He, Matthew J Weiss, Paola Capelli, Aldo Scarpa, Pedram Argani, Payal Kapur, Laura D Wood
Somatic mutations in genes encoding chromatin remodelers have been recently reported in several cancer types, including approximately half of cholangiocarcinomas. One of the most commonly mutated chromatin remodelers in cholangiocarcinoma is the PBRM1 gene located on chromosome 3p21, which encodes a subunit of the SWI/SNF complex. In order to determine the timing of PBRM1 mutations in biliary carcinogenesis, we used immunohistochemistry to assess PBRM1 protein expression in a series of precursor lesions and invasive biliary carcinomas...
April 10, 2017: Histopathology
https://www.readbyqxmd.com/read/28388535/upregulation-of-long-non-coding-rna-hoxa-as2-promotes-proliferation-and-induces-epithelial-mesenchymal-transition-in-gallbladder-carcinoma
#17
Peng Zhang, Peihua Cao, Xiaofeng Zhu, Mingxin Pan, Kebo Zhong, Rui He, Yang Li, Xingyuan Jiao, Yi Gao
Gallbladder carcinoma (GBC) is the most common malignancy of the bile duct and patients with GBC have extremely poor prognoses. Increasing evidence indicates that long non-coding RNAs (lncRNAs) regulate diverse cellular processes, including cell growth, differentiation, apoptosis, and cancer progression. However, the function of lncRNAs in the progression of GBC remains largely unknown. Here, we reported that HOXA cluster antisense RNA2 (HOXA-AS2) was upregulated in GBC. In vitro experiments revealed that HOXA-AS2 knockdown significantly inhibited GBC cells proliferation by causing G1 arrest and promoting apoptosis, whereas HOXA-AS2 overexpression promoted cell growth...
March 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386408/gallbladder-tuberculosis-camouflaging-as-gallbladder-cancer-case-series-and-review-focussing-on-treatment
#18
REVIEW
Gautham Krishnamurthy, Harjeet Singh, Jayapal Rajendran, Vishal Sharma, Thakur Deen Yadav, Balan Louis Gaspar, Rakesh Kumar Vasishta, Rajinder Singh
INTRODUCTION: Gallbladder tuberculosis, in an endemic region, is a common infectious etiology affecting a rare organ. The high prevalence of carcinoma gallbladder in the endemic regions of tuberculosis, like India, poses diagnostic dilemma. CASE SERIES: We are reporting three cases of gallbladder tuberculosis mimicking carcinoma gallbladder of which the first two cases were operated with a presumptive diagnosis of malignancy. The third case presented to us after laparoscopic cholecystectomy elsewhere and on evaluation was found to have disseminated tuberculosis...
December 2016: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28378944/chloride-intracellular-channel-1-regulates-the-antineoplastic-effects-of-metformin-in-gallbladder-cancer-cells
#19
Yongchen Liu, Zheng Wang, Maolan Li, Yuanyuan Ye, Yi Xu, Yichi Zhang, Ruiyan Yuan, Yunpeng Jin, Yajuan Hao, Lin Jiang, Yunping Hu, Shili Chen, Fatao Liu, Yijian Zhang, Wenguang Wu, Yingbin Liu
Metformin is the most commonly used drug for type 2 diabetes and has potential benefit in treating and preventing cancer. Previous studies indicated that membrane proteins can affect the antineoplastic effects of metformin and may be crucial in the field of cancer research. However, the antineoplastic effects of metformin and its mechanism in gallbladder cancer (GBC) remain largely unknown. In this study, the effects of metformin on GBC cell proliferation and viability were evaluated using the Cell Counting Kit-8 (CCK-8) assay and an apoptosis assay...
April 5, 2017: Cancer Science
https://www.readbyqxmd.com/read/28376590/-clinical-significance-of-her2-positivity-in-gallbladder-adenocarcinoma
#20
J G Yao, C H Wang, Y Liu
Objective: To study the clinical significance of HER2 overexpression and/or amplification in gallbladder adenocarcinoma. Methods: HER2 staining was performed on 123 cases of gallbladder adenocarcinoma specimens by IHC using scoring criteria for gastric cancer. FISH test was performed on the IHC score 2+ and 3+ cases and the results were correlated with clinicopathological findings. Results: In total of 123 cases of gallbladder adenocarcinomas, HER2 amplification detection rate was 22.0%(27/123). Among 27 cases with HER2 gene amplification, 5 cases were IHC 2+ (5/12) and 22 cases were IHC 3+ (91...
April 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
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