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https://www.readbyqxmd.com/read/29353348/insulin-receptor-substrate-4-is-overexpressed-in-colorectal-cancer-and-promotes-retinoblastoma-cyclin-dependent-kinase-activation
#1
Patricia Sanmartín-Salinas, María Del Val Toledo Lobo, Fernando Noguerales-Fraguas, Miguel Toro Londoño, Antonio Jiménez-Ruiz, Luis Gonzalez Guijarro
BACKGROUND: Insulin receptor substrate 4 (IRS-4) is an adaptor protein for which new evidence suggests plays a role in tumour promotion. METHODS: We described nuclear IRS-4 in RKO colon cancer cell lines in biopsies of patients with colorectal cancer (CRC) (n = 20) and in matched adjacent normal colorectal (MANC) tissue (n = 20). RESULTS: Treatment with physiological doses of IGF-1 promoted nuclear influx of IRS-4 from cellular cytosol in RKO cells...
January 20, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29353151/the-association-between-recreational-physical-activity-sedentary-time-and-colorectal-polyps-in-a-population-screened-for-colorectal-cancer
#2
Darren R Brenner, Eileen Shaw, Demetra H Yannitsos, Matthew T Warkentin, Nigel T Brockton, S Elizabeth McGregor, Susanna Town, Robert J Hilsden
PURPOSE: Regular recreational moderate to vigorous physical activity (rMVPA) has been previously associated with a reduced risk of colorectal cancer (CRC), however, few studies have examined the association of rMVPA with colorectal polyps, the pre-malignant precursor lesions. The objective of this study was to examine the associations between physical activity and sitting time and polyps at the time of screening. METHODS: We conducted a cross-sectional study of 2496 individuals undergoing screening-related colonoscopy in Calgary, Alberta, Canada...
January 17, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29352814/does-adherence-to-the-world-cancer-research-fund-american-institute-of-cancer-research-cancer-prevention-guidelines-reduce-risk-of-colorectal-cancer-in-the-uk-women-s-cohort-study
#3
Petra Jones, Janet E Cade, Charlotte E L Evans, Neil Hancock, Darren C Greenwood
Evidence on adherence to diet-related cancer prevention guidelines and associations with colorectal cancer (CRC) risk is limited and conflicting. The aim of this cohort analysis is to evaluate associations between adherence to the World Cancer Research Fund/American Institute of Cancer Research (WCRF/AICR) 2007 recommendations and incident CRC. The UK Women's Cohort Study comprises over 35 372 women who filled in a FFQ at baseline in 1995. They were followed up for CRC incidence for a median of 17·4 years, an individual score linking adherence to eight of the WCRF/AICR recommendations was constructed...
January 21, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29352642/lgals4-ceacam6-tspan8-and-col1a2-blood-markers-for-colorectal-cancer-validation-in-a-cohort-of-subjects-with-positive-fecal-immunochemical-test-result
#4
Maria Teresa Rodia, Rossella Solmi, Francesco Pasini, Elena Nardi, Gabriella Mattei, Giampaolo Ugolini, Luigi Ricciardiello, Pierluigi Strippoli, Rossella Miglio, Mattia Lauriola
BACKGROUND: A noninvasive blood test for the early detection of colorectal cancer (CRC) is highly required. We evaluated a panel of 4 mRNAs as putative markers of CRC. MATERIALS AND METHODS: We tested LGALS4, CEACAM6, TSPAN8, and COL1A2, referred to as the CELTiC panel, using quantitative reverse transcription polymerase chain reaction, on subjects with positive fecal immunochemical test (FIT) results and undergoing colonoscopy. Using a nonparametric test and multinomial logistic model, FIT-positive subjects were compared with CRC patients and healthy individuals...
December 12, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29352452/the-determinants-of-reduced-dietary-intake-in-hospitalised-colorectal-cancer-patients
#5
Anne van der Werf, Katherine Arthey, Michael Hiesmayr, Isabella Sulz, Karin Schindler, Alessandro Laviano, Jacqueline Langius, Marian de van der Schueren
PURPOSE: Patients with colorectal cancer (CRC) often experience malnutrition and weight loss, largely resulting from reduced dietary intake. The aim of this study was to identify determinants of reduced dietary intake in order to facilitate early recognition of malnutrition and optimise nutritional treatment. METHODS: Data from nutritionDay, an international 1-day survey investigating patient, disease and food profiles, were used. To identify determinants of dietary intake, defined as normal vs...
January 19, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29352327/limk-cofilin-pathway-and-slingshot-are-implicated-in-human-colorectal-cancer-progression-and-chemoresistance
#6
Helen Aggelou, Panagiota Chadla, Sofia Nikou, Sofia Karteri, Ioannis Maroulis, Haralabos P Kalofonos, Helen Papadaki, Vasiliki Bravou
Cofilin phospho-regulation is important for actin filament turnover and is implicated in cancer. Phosphorylation of cofilin is mediated by LIM kinases (LIMKs) and dephosphorylation by Slingshot phosphatases (SSH). LIMKs and SSH promote cancer cell invasion and metastasis and represent novel anti-cancer targets. However, little is known regarding LIMK/cofilin and SSH in human colorectal cancer (CRC). In this study, we aimed to address their expression and significance in human CRC. We evaluated expression of non-phosphorylated (active) and phosphorylated cofilin, LIMK1, LIMK2, and SSH1 by immunohistochemistry in 143 human CRC samples in relation to clinicopathologic parameters, response of metastatic disease to chemotherapy, and epithelial-mesenchymal transition (EMT) markers β-catenin, E-cadherin, and ZEB...
January 19, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29351796/the-jun-mir-22-hur-regulatory-axis-contributes-to-tumourigenesis-in-colorectal-cancer
#7
Yanqing Liu, Xiaorui Chen, Rongjie Cheng, Fei Yang, Mengchao Yu, Chen Wang, Shufang Cui, Yeting Hong, Hongwei Liang, Minghui Liu, Chihao Zhao, Meng Ding, Wu Sun, Zhijian Liu, Feng Sun, Chenyu Zhang, Zhen Zhou, Xiaohong Jiang, Xi Chen
BACKGROUND: Colorectal cancer (CRC) is a severe health problem worldwide. Clarifying the mechanisms for the deregulation of oncogenes and tumour suppressors in CRC is vital for its diagnosis, treatment, prognosis and prevention. Hu antigen R (HuR), which is highly upregulated in CRC, functions as a pivotal oncogene to promote CRC progression. However, the underlying cause of its dysregulation is poorly understood. METHODS: In CRC tissue sample pairs, HuR protein levels were measured by Western blot and immunohistochemical (IHC) staining, respectively...
January 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29351659/smoking-status-and-survival-among-a-national-cohort-of-lung-and-colorectal-cancer-patients
#8
Sandra J Japuntich, Pallavi Kumar, Jane Pendergast, Grelda Yazmin Juarez Caballero, Jennifer Malin, Robert Wallace, Elizabeth Chrischilles, Nancy L Keating, Elyse R Park
Introduction: The purpose of this study was to explore the association of smoking status and clinically relevant duration of smoking cessation with long-term survival after lung cancer (LC) or colorectal cancer (CRC) diagnosis. We compared survival of patients with LC and CRC who were never-smokers, long-term, medium-term, and short-term quitters, and current smokers around diagnosis. Methods: We studied 5,575 patients in Cancer Care Outcomes Research and Surveillance (CanCORS), a national, prospective observational cohort study, who provided smoking status information approximately 5 months after LC or CRC diagnosis...
January 17, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29351494/factors-associated-with-sarcopenia-in-patients-with-colorectal-cancer
#9
Bianca Umbelino de Souza, Nilian Carla Silva Souza, Renata Brum Martucci, Viviane Dias Rodrigues, Nivaldo Barroso de Pinho, Maria Cristina Gonzalez, Carla Maria Avesani
Introduction; Sarcopenia are frequently observed in cancer patients and was associated with poor prognosis. Objectives; to determine the association of nutritional status, body composition, and clinic parameters with sarcopenia in patients with colorectal cancer (CRC). Methods; We conducted a cross-sectional study of 197 patients with CRC. The sarcopenia elements, including lumbar skeletal muscle index (SMI), handgrip strength, and gait speed were measured. The SMI was assessed by computed tomography at third lumbar vertebra...
January 19, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29351242/-vessels-in-the-storm-searching-for-prognostic-and-predictive-angiogenic-factors-in-colorectal-cancer
#10
REVIEW
Adriano Angelucci, Simona Delle Monache, Alessio Cortellini, Monica Di Padova, Ficorella Corrado
High expectations are placed upon anti-angiogenic compounds for metastatic colorectal cancer (mCRC), the first malignancy for which such type of treatment has been approved. Indeed, clinical trials have confirmed that targeting the formation of new vessels can improve in many cases clinical outcomes of mCRC patients. However, current anti-angiogenic drugs are far from obtaining the desirable or expected curative results. Many are the factors probably involved in such disappointing results, but particular attention is currently focused on the validation of biomarkers able to improve the direction of treatment protocols...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29350693/colorectal-cancer-a-collaborative-approach-to-improve-education-and-screening-in-a-rural-population%C3%A2
#11
Marsha Woodall, Mary DeLetter
BACKGROUND: Colorectal cancer (CRC) is the third most commonly diagnosed cancer and second leading cause of cancer death for men and women in the United States. Although early detection and diagnosis greatly affect survival rates, only about half of the U.S. population participates in screening.
. OBJECTIVES: The purpose of this project was to implement community-based CRC education and screening. Outcomes included CRC knowledge, CRC screening kit return rate, and rate of positive screening results...
February 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29348846/st6galnac1-plays-important-roles-in-enhancing-cancer-stem-phenotypes-of-colorectal-cancer-via-the-akt-pathway
#12
Tadashi Ogawa, Yoshihiko Hirohashi, Aiko Murai, Toshihiko Nishidate, Kenji Okita, Liming Wang, Yuzuru Ikehara, Tetsuta Satoyoshi, Akihiro Usui, Terufumi Kubo, Munehide Nakastugawa, Takayuki Kanaseki, Tomohide Tsukahara, Goro Kutomi, Tomohisa Furuhata, Koichi Hirata, Noriyuki Sato, Toru Mizuguchi, Ichiro Takemasa, Toshihiko Torigoe
Colorectal cancer (CRC) is a mortal disease due to treatment resistance, recurrence and distant metastasis. Emerging evidence has revealed that a small sub-population of cancer cells termed cancer stem cells (CSCs)/ cancer-initiating cells (CICs) is endowed with high levels of tumor-initiating ability, self-renewal ability and differentiation ability and is responsible for treatment resistance, recurrence and distant metastasis. Eradication of CSCs/CICs is essential to improve current treatments. However, the molecular mechanisms by which CSCs/CICs are maintained are still elusive...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348549/preoperative-anemia-in-colorectal-cancer-relationships-with-tumor-characteristics-systemic-inflammation-and-survival
#13
Juha P Väyrynen, Anne Tuomisto, Sara A Väyrynen, Kai Klintrup, Toni Karhu, Jyrki Mäkelä, Karl-Heinz Herzig, Tuomo J Karttunen, Markus J Mäkinen
Anemia is common in colorectal cancer (CRC) but its relationships with tumor characteristics, systemic inflammation, and survival have not been well characterized. In this study, blood hemoglobin levels and erythrocyte mean corpuscular volume (MCV) levels were measured in two independent cohorts of 148 CRC patients and 208 CRC patients, and their correlation with patient and tumor characteristics, systemic inflammatory markers (modified Glasgow Prognostic Score: mGPS; serum levels of thirteen cytokines, C-reactive protein, albumin), and survival were analyzed...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348387/cancer-stem-cells-and-molecular-biology-test-in-colorectal-cancer-therapeutic-implications
#14
Rustam Effendi-Ys
Colorectal cancer (CRC) is the third most frequent cancer in males, the second in females, and is the second leading cause of cancer related death worldwide. Within Indonesia's 250 million population, the incidence rates for CRC per 100,000 population were 15.2 for males and 10.2 for females, and estimated 63,500 cases per year.  More than 50% of colorectal cancer patients will develop metastasis. CRC is still the main cause of tumor-related death, and although most CRC patients are treated with surgery to remove the tumor tissue, some of the CRC patients recurred...
October 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29346762/transcriptome-and-dna-methylome-analysis-in-a-mouse-model-of-diet-induced-obesity-predicts-increased-risk-of-colorectal-cancer
#15
Ruifang Li, Sara A Grimm, Deepak Mav, Haiwei Gu, Danijel Djukovic, Ruchir Shah, B Alex Merrick, Daniel Raftery, Paul A Wade
Colorectal cancer (CRC) tends to occur at older age; however, CRC incidence rates have been rising sharply among young age groups. The increasing prevalence of obesity is recognized as a major risk, yet the mechanistic underpinnings remain poorly understood. Using a diet-induced obesity mouse model, we identified obesity-associated molecular changes in the colonic epithelium of young and aged mice, and we further investigated whether the changes were reversed after weight loss. Transcriptome analysis indicated that obesity-related colonic cellular metabolic switch favoring long-chain fatty acid oxidation happened in young mice, while obesity-associated downregulation of negative feedback regulators of pro-proliferative signaling pathways occurred in older mice...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29346573/the-addition-of-bevacizumab-to-oxaliplatin-based-chemotherapy-impact-upon-hepatic-sinusoidal-injury-and-thrombocytopenia
#16
Michael J Overman, Renata Ferrarotto, Kanwal Raghav, Binsah George, Wei Qiao, Karime K Machado, Leonard B Saltz, Thibault Mazard, J N Vauthey, Paulo M Hoff, Brian Hobbs, Evelyn M Loyer, Scott Kopetz
Background: Oxaliplatin-based chemotherapy can cause hepatic sinusoidal injury (HSI), portal hypertension, and splenic sequestration of platelets. Evidence suggests that bevacizumab may protect against HSI. Methods: Two cohorts of metastatic colorectal cancer (CRC) were analyzed: a nonrandomized exploratory cohort of 184 patients treated at a single institution from 2003 to 2010 and a confirmatory cohort of 200 patients from a multi-institutional randomized trial (NO16966)...
January 15, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29344269/early-and-partial-reduction-in-cd4-foxp3-regulatory-t-cells-during-colitis-associated-colon-cancer-induces-cd4-and-cd8-t-cell-activation-inhibiting-tumorigenesis
#17
Jonadab E Olguín, Itzel Medina-Andrade, Emmanuel Molina, Armando Vázquez, Thalia Pacheco-Fernández, Rafael Saavedra, Carlos Pérez-Plasencia, Yolanda I Chirino, Felipe Vaca-Paniagua, Luis E Arias-Romero, Emma B Gutierrez-Cirlos, Sonia A León-Cabrera, Miriam Rodriguez-Sosa, Luis I Terrazas
Colorectal cancer (CRC) is the second most commonly diagnosed cancer in women and the third in men in North America and Europe. CRC is associated with inflammatory responses in which intestinal pathology is caused by different cell populations including a T cell dysregulation that concludes in an imbalance between activated T (Tact) and regulatory T (Treg) cells. Treg cells are CD4+Foxp3+ cells that actively suppress pathological and physiological immune responses, contributing to the maintenance of immune homeostasis...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344262/hedyotis-diffusa-willd-extract-suppresses-colorectal-cancer-growth-through-multiple-cellular-pathways
#18
Jianyu Feng, Yiyi Jin, Jun Peng, Lihui Wei, Qiaoyan Cai, Zhaokun Yan, Zijun Lai, Jiumao Lin
The development of colorectal cancer (CRC) is strongly associated with the imbalance of various intracellular signal transduction cascades, including protein kinase B (AKT), mitogen-activated protein kinase 1 (MAPK), signal transducer and activator of transcription 3 (STAT3), as well as crosstalk between these signaling networks. At present, anti-tumor agents are often single-targeted and therefore are not always therapeutically effective. Moreover, long-term use of these anti-tumor agents often generates drug resistance and potential side effects...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344244/identification-and-validation-of-psat1-as-a-potential-prognostic-factor-for-predicting-clinical-outcomes-in-patients-with-colorectal-carcinoma
#19
Cheng Qian, Yongsheng Xia, Yun Ren, Yan Yin, Anmei Deng
The aim of the present study was to explore the existence of known or candidate drug-target genes that are upregulated in colorectal cancer (CRC) and may serve as novel prognostic factors or therapeutic targets for this type of malignancy. An in silico analysis was conducted using the Oncomine tool to compare the expression levels of a list of drug-target genes between cancerous and normal tissues in 6 independent CRC cohorts retrieved from the Oncomine database. Phosphoserine aminotransferase 1 (PSAT1) was identified as the top-ranked upregulated gene in CRC tumors, and was highly expressed in patients with chemoresistant disease...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344237/chloroform-extract-of-hedyotis-diffusa-willd-inhibits-viability-of-human-colorectal-cancer-cells-via-suppression-of-akt-and-erk-signaling-pathways
#20
Zhaokun Yan, Jianyu Feng, Jun Peng, Zijun Lai, Ling Zhang, Yiyi Jin, Hong Yang, Wujin Chen, Jiumao Lin
Hedyotis diffusa Willd (HDW) is a widely used traditional Chinese medicine in clinical therapy to treat various types of cancer, including colorectal cancer (CRC), but its effective polar fractions and functional mechanisms remain unclear. The aim of the present study was to determine the most effective extract of HDW and to investigate its effects on the regulation of CRC cell proliferation and apoptosis, as well as to investigate the underlying molecular mechanisms. The results demonstrated that the chloroform extract of HDW (CEHDW) exhibited the most anticancer ability...
December 2017: Oncology Letters
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