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https://www.readbyqxmd.com/read/28944887/microrna%C3%A2-212-inhibits-colorectal-cancer-cell-viability-and-invasion-by-directly-targeting-pik3r3
#1
Jian Zhang, Yongkang Zhang, Xiaoyun Li, Hongbo Wang, Quan Li, Xiaofeng Liao
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer‑associated mortalities worldwide. Emerging evidence has shown that abnormal microRNA (miRNA) expression contributes to CRC carcinogenesis and progression by inhibiting the expression of their target genes. Therefore, investigating the expression patterns and roles of miRNAs specifically involved in CRC formation, and progression would help expand our knowledge on CRC and provide novel therapeutic targets for CRC treatment...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944862/ing2-a-tumor-associated-gene-enhances-pai%C3%A2-1-and-hspa1a-expression-with-hdac1-and-msin3a-through-the-phd-domain-and-c%C3%A2-terminal
#2
Chiyo Ohkouchi, Kensuke Kumamoto, Motonobu Saito, Teruhide Ishigame, Shin-Ichi Suzuki, Seiichi Takenoshita, Cutis C Harris
Inhibitor of growth 2 (ING2) is involved in chromatin remodeling and it has previously been suggested that ING2 may regulate gene expression. The authors previously identified matrix metalloproteinase 13 (MMP13) as a target gene of ING2 in colorectal cancer. The aim of the present study was to identify novel genes regulated by ING2 and histone deacetylase 1 (HDAC1) and to clarify the biological significance of the ING2 structure. The present study generated the point mutant constructs of ING2 and deletion constructs consisting of partial ING2 to investigate the effect on gene expression and verify the interaction with HDAC1, mSin3A and sap30...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944853/kisspeptin-inhibits-cancer-growth-and-metastasis-via-activation-of-eif2ak2
#3
Tae-Hun Kim, Sung-Gook Cho
Kisspeptin is a protein encoded by the KISS1 gene, which has been reported to suppress the metastatic capabilities of various types of cancer cells, through the activation of its G‑protein coupled receptor GPR54. However, the molecular mechanisms underlying the involvement of kisspeptin‑mediated signaling in the inhibition of cancer cell migration and invasion have yet to be elucidated. The present in vitro cell proliferation, migration and invasion assays and in vivo experimental metastasis studies demonstrated that kisspeptin‑induced eukaryotic translation initiation factor 2α kinase 2 (EIF2AK2) activation suppressed the metastatic capabilities of several types of cancer cells...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944846/hedyotis-diffusa-willd-suppresses-metastasis-in-5%C3%A2-fluorouracil%C3%A2-resistant-colorectal-cancer-cells-by-regulating-the-tgf%C3%A2-%C3%AE-signaling-pathway
#4
Zijun Lai, Zhaokun Yan, Wujin Chen, Jun Peng, Jianyu Feng, Qiongyu Li, Yiyi Jin, Jiumao Lin
Colorectal cancer (CRC) is one of the most common malignant tumors of the digestive tract, and threatens the survival and health of patients with CRC. Chemotherapy remains one of the main therapeutic approaches for patients with CRC; however, drug resistance limits the long‑term use. CRC cells with multi‑drug resistance (MDR) exhibit increased survival times and metastatic potential, which may lead to the recurrence and metastasis of CRC. In addition, MDR is one of the major causes of chemotherapy failure in clinical treatment...
September 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944840/correlation-analysis-between-liver-metastasis-and-serum-levels-of-mir%C3%A2-200-and-mir%C3%A2-141-in-patients-with-colorectal-cancer
#5
Meng Ding, Tao Zhang, Shijie Li, Ying Zhang, Yunfeng Qiu, Bin Zhang
Colorectal cancer has become a disease with one of the highest incidence rates worldwide, and liver metastasis threatens the prognosis of colorectal cancer. MicroRNA (miR)‑200 and miR‑141 have been confirmed to be aberrantly expressed in colorectal cancer, however, whether miR‑200 and miR‑141 are involved in the progression of colorectal cancer, and their role in liver metastasis remain to be fully elucidated. The aim of the present study was to investigate the role of miR‑200 and miR‑141 in the progression and liver metastasis of colorectal cancer in patients...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944331/assessment-of-the-relationship-between-neutrophil-lymphocyte-ratio-and-prognostic-factors-in-non-metastatic-colorectal-cancer
#6
Ersin Borazan, Ahmet Abdulhalik Balık, Zehra Bozdağ, Muhammed Kasım Arık, Alper Aytekin, Latif Yılmaz, Muhsin Elçi, İlyas Başkonuş
OBJECTIVE: Neutrophil-lymphocyte ratio still has a limited clinical use due to many non-cancer factors affecting neutrophils or lymphocytes in the present time. We aimed to evaluate the association between preoperative neutrophil-lymphocyte ratio and poor prognostic factors after curative elective colorectal surgery. MATERIAL AND METHODS: This clinical retrospective study was initiated with 95 patients, who had a curative surgical resection between 2003 and 2013...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28944238/targeted-sequencing-of-36-known-or-putative-colorectal-cancer-susceptibility-genes
#7
Melissa S DeRycke, Shanaka Gunawardena, Jessica R Balcom, Angela M Pickart, Lindsey A Waltman, Amy J French, Shannon McDonnell, Shaun M Riska, Zachary C Fogarty, Melissa C Larson, Sumit Middha, Bruce W Eckloff, Yan W Asmann, Matthew J Ferber, Robert W Haile, Steven Gallinger, Mark Clendenning, Christophe Rosty, Aung K Win, Daniel D Buchanan, John L Hopper, Polly A Newcomb, Loic Le Marchand, Ellen L Goode, Noralane M Lindor, Stephen N Thibodeau
BACKGROUND: Mutations in several genes predispose to colorectal cancer. Genetic testing for hereditary colorectal cancer syndromes was previously limited to single gene tests; thus, only a very limited number of genes were tested, and rarely those infrequently mutated in colorectal cancer. Next-generation sequencing technologies have made it possible to sequencing panels of genes known and suspected to influence colorectal cancer susceptibility. METHODS: Targeted sequencing of 36 known or putative CRC susceptibility genes was conducted for 1231 CRC cases from five subsets: (1) Familial Colorectal Cancer Type X (n = 153); (2) CRC unselected by tumor immunohistochemical or microsatellite stability testing (n = 548); (3) young onset (age <50 years) (n = 333); (4) proficient mismatch repair (MMR) in cases diagnosed at ≥50 years (n = 68); and (5) deficient MMR CRCs with no germline mutations in MLH1, MSH2, MSH6, or PMS2 (n = 129)...
September 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28944221/optimizing-patient-risk-stratification-for-colonoscopy-screening-and-surveillance-of-colorectal-cancer-the-role-for-linked-data
#8
David B Preen, Iris Lansdorp-Vogelaar, Hooi C Ee, Cameron Platell, Dayna R Cenin, Lakkhina Troeung, Max Bulsara, Peter O'Leary
No abstract text is available yet for this article.
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28944116/barriers-to-colorectal-cancer-screening-in-pakistan
#9
Fariha Hasan, Sayed Mustafa Mahmood Shah, Misbah Munaf, Muhammad R Khan, Shayan Marsia, Syed Muhammad Haaris, Muhammad Hammad Shaikh, Ismail Abdur Rahim, Muhammad Salar Anwar, Kassam S Qureshi, Maham Iqbal, Sara Qazi, Burhanuddin A Kasi, Mahnoor Tahir, Syed Inam Ur Rehman, Kaneez Fatima
Background The prevalence of colorectal cancer (CRC) is growing in Pakistan; however, there are no national screening programs or guidelines in place to curb its development. This study was conducted with the aim of ascertaining public awareness and attitudes regarding CRC and current screening practices. Furthermore, the study assessed perceived barriers which could impact future screening processes. Methods A cross-sectional, questionnaire-based study was conducted among urban dwellers of Karachi, Pakistan...
July 16, 2017: Curēus
https://www.readbyqxmd.com/read/28944068/comparison-of-outcomes-between-symptomatic-and-asymptomatic-patients-with-colorectal-cancer-a-propensity-score-matched-analysis-of-surgical-invasiveness-medical-costs-and-oncological-outcomes
#10
Ryo Inada, Takeshi Nagasaka, Ayako Watanabe, Tomohiko Yagi, Yoshiko Mori, Yoshitaka Kondo, Hiroyuki Kishimoto, Yuzo Umeda, Toshiyoshi Fujiwara
BACKGROUND AND AIMS: Whether asymptomatic patients with colorectal cancer (CRC) who are treated in hospitals show better outcomes than symptomatic patients with CRC still remains unknown. The aim of this study was to evaluate differences in clinical benefits following treatment in asymptomatic and symptomatic patients with CRC. METHODS: This study was a retrospective cohort analysis with data obtained from records. A cohort of 145 asymptomatic and 123 symptomatic patients who underwent CRC surgery between January 2009 and December 2011 was enrolled...
2017: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/28944067/intestinal-microbiota-is-altered-in-patients-with-colon-cancer-and-modified-by-probiotic-intervention
#11
Ashley A Hibberd, Anna Lyra, Arthur C Ouwehand, Peter Rolny, Helena Lindegren, Lennart Cedgård, Yvonne Wettergren
OBJECTIVE: The colonic microbiota is altered in patients with colorectal cancer (CRC). We investigated the microbiota composition of patients with colon cancer compared with controls devoid of neoplastic or inflammatory disease and the potential to modify the colonic microbiota with probiotics. DESIGN: Biopsy samples were obtained from the normal mucosa and tumour during colonoscopy from 15 patients with colon cancer. Subsequent patient-matched samples were taken at surgery from the tumour and nearby mucosa from the patients with cancer, eight of whom had received two daily tablets totalling 1...
2017: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/28943952/mirna-biogenesis-associated-rnase-iii-nucleases-drosha-and-dicer-are-upregulated-in-colorectal-adenocarcinoma
#12
Shin Kim, Mei Ling Song, Hyeonji Min, Ilseon Hwang, Seong Kyu Baek, Taeg Kyu Kwon, Jong-Wook Park
Drosha and Dicer are important regulators of microRNA (miRNA) biogenesis, and it has been suggested that their aberrant regulation may cause colorectal cancer (CRC). The aim of the present study was to evaluate the mRNA expression levels of these two important RNase III nucleases and their association with clinical features in CRC specimens from South Korean patients. The expression levels of Drosha and Dicer mRNA were investigated in 77 CRC tissues and adjacent histologically non-neoplastic tissues using the quantitative polymerase chain reaction...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943943/curative-resectability-of-gastrointestinal-cancer-identified-from-iron-deficiency-anemia
#13
Kenta Kawasaki, Yasuo Hamamoto, Masayasu Horibe, Kenji Shimura, Akira Nakamura, Takanori Kanai, Hiromasa Takaishi
The present study aimed to clarify the staging and curative resectability of gastrointestinal cancer found through iron deficiency anemia (IDA). An electronic database was used and females >51 and males >18 years old were identified who had been diagnosed with IDA at the internal medicine outpatient clinic of Asahi General Hospital (Chiba, Japan) from 1 April 2010 to 31 March 2012. IDA was defined as a hemoglobin level of <135 g/l for males and <120 g/l for females, combined with a serum ferritin level of <33...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943932/increased-expression-of-bpi-fold-containing-family-a-member-1-is-associated-with-metastasis-and-poor-prognosis-in-human-colorectal-carcinoma
#14
Huanan Wang, Dongmei Jiang, Wenlu Li, Shuang Wang
Bactericidal or permeability-increasing protein fold-containing family A member 1 (BPIFA1) has been demonstrated to be involved in inflammatory responses in the upper airway and the progression of non-small cell lung cancer. However, the expression levels of BPIFA1 and its clinical prognostic significance in colorectal carcinoma (CRC) has not yet been elucidated. Reverse transcription-polymerase chain reaction and immunohistochemistry were used to analyze the expression levels of BPIFA1 in CRC and normal mucosal tissues...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943908/expression-of-chicken-ovalbumin-upstream-promoter-transcription-factor-ii-and-liver-x-receptor-as-prognostic-indicators-for-human-colorectal-cancer
#15
Seong-Hoon Yun, Min-Gyoung Park, Yu-Mi Kim, Mee-Sook Roh, Joo-In Park
Cholesterol increases the risk of colorectal cancer. Liver X receptor (LXR), retinoid X receptor (RXR)α and sterol regulatory element binding protein (SREBP)-1c are transcriptional regulators of lipid metabolism. Chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) serves an essential role in angiogenesis and development, but its role in cancer is controversial. The expression of COUP-TFII, LXR, RXRα and SREBP-1c in colorectal cancer, as well as their association with clinicopathologic features, was assessed, and their utility as prognostic indicators in colorectal cancer evaluated...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943898/metastasis-associated-in-colon-cancer-1-a-promising-biomarker-for-the-metastasis-and-prognosis-of-colorectal-cancer
#16
He Li, Yi-Xin Chen, Jia-Gen Wen, Hong-Hao Zhou
Colorectal cancer (CRC) is the fourth most frequent type of malignancy in the world. Metastasis accounts for >90% mortalities in patients with CRC. The metastasis-associated in colon cancer 1 (MACC1) gene has been identified as a novel biomarker for the prediction of metastasis and disease prognosis, particularly for patients with early-stage disease. Previous clinical studies demonstrated that MACC1 expression and polymorphisms in CRC tissues were indicators of metastasis, and that circulating transcripts in plasma were also significantly associated with the survival of patients...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943897/role-of-liver-icam-1-in-metastasis
#17
Aitor Benedicto, Irene Romayor, Beatriz Arteta
Intercellular adhesion molecule (ICAM)-1, is a transmembrane glycoprotein of the immunoglobulin (Ig)-like superfamily, consisting of five extracellular Ig-like domains, a transmembrane domain and a short cytoplasmic tail. ICAM-1 is expressed in various cell types, including endothelial cells and leukocytes, and is involved in several physiological processes. Furthermore, it has additionally been reported to be expressed in various cancer cells, including melanoma, colorectal cancer and lymphoma. The majority of studies to date have focused on the expression of the ICAM-1 on the surface of tumor cells, without research into ICAM-1 expression at sites of metastasis...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943779/accounting-for-misclassification-in-electronic-health-records-derived-exposures-using-generalized-linear-finite-mixture-models
#18
Rebecca A Hubbard, Eric Johnson, Jessica Chubak, Karen J Wernli, Aruna Kamineni, Andy Bogart, Carolyn M Rutter
Exposures derived from electronic health records (EHR) may be misclassified, leading to biased estimates of their association with outcomes of interest. An example of this problem arises in the context of cancer screening where test indication, the purpose for which a test was performed, is often unavailable. This poses a challenge to understanding the effectiveness of screening tests because estimates of screening test effectiveness are biased if some diagnostic tests are misclassified as screening. Prediction models have been developed for a variety of exposure variables that can be derived from EHR, but no previous research has investigated appropriate methods for obtaining unbiased association estimates using these predicted probabilities...
June 2017: Health Services & Outcomes Research Methodology
https://www.readbyqxmd.com/read/28943451/tubulin-binding-anticancer-polysulfides-induce-cell-death-via-mitotic-arrest-and-autophagic-interference-in-colorectal-cancer
#19
Esma Yagdi Efe, Aloran Mazumder, Jin-Young Lee, Anthoula Gaigneaux, Flavia Radogna, Muhammad Jawad Nasim, Christo Christov, Claus Jacob, Kyu-Won Kim, Mario Dicato, Patrick Chaimbault, Claudia Cerella, Marc Diederich
Polysulfanes show chemopreventive effects against gastrointestinal tumors. We identified diallyl tetrasulfide and its derivative, dibenzyl tetrasulfide (DBTTS), to be mitotic inhibitors and apoptosis inducers. Here, we translate their application in colorectal cancer (CRC). MALDI-TOF-MS analysis identified both compounds as reversible tubulin binders, validated by in cellulo α-tubulin degradation. BRAF(V600E)-mutated HT-29 cells were resistant to DBTTS, as evidenced by mitotic arrest for 48 h prior to apoptosis induction compared to KRAS(G12V)-mutated SW480/620 cells, which committed to death earlier...
September 21, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28943327/a-two-component-system-regulates-bacteroides-fragilis-toxin-to-maintain-intestinal-homeostasis-and-prevent-lethal-disease
#20
Aaron L Hecht, Benjamin W Casterline, Vivian M Choi, Juliane Bubeck Wardenburg
Intestinal microbes are recognized for their role in human disease. Enterotoxigenic Bacteroides fragilis (ETBF) has been implicated in inflammatory bowel disease and colorectal cancer; however, colonization alone is insufficient to cause these illnesses. We hypothesized that homeostasis in healthy carriers is maintained by colonic mucus, the major constituent of which is the glycoprotein Muc2. We found that Muc2-deficient mice succumb to lethal disease from ETBF colonization in a B. fragilis toxin (BFT)-dependent manner...
September 13, 2017: Cell Host & Microbe
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