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https://www.readbyqxmd.com/read/28651243/structure-of-the-lps-o-chain-from-fusobacterium-nucleatum-strain-12230
#1
Evgeny Vinogradov, Frank St Michael, Andrew D Cox
Fusobacterium nucleatum is an anaerobic bacterium found in the human mouth where it causes periodontitis. It was also found in colorectal cancer tissues and is linked with pregnancy complications, including pre-term and still births. Cell surface structures of the bacterium could be implicated in pathogenesis. Here we report the following structure of the lipopolysaccharide O-chain of F. nucleatum strain 12230: -6-α-d-Glc-4-β-d-GlcNHBu3NHBuA-3-β-d-QuiNAc4NABu- where ABu and HBu indicate (R)-3-aminobutanoyl and (R)-3-hydroxybutanoyl, respectively; all monosaccharides are in the pyranose form...
June 16, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28651179/sedentary-work-and-the-risks-of-colon-and-rectal-cancer-by-anatomical-sub-site-in-the-canadian-census-health-and-environment-cohort-canchec
#2
Manisha Pahwa, M Anne Harris, Jill MacLeod, Michael Tjepkema, Paul A Peters, Paul A Demers
BACKGROUND: Sedentary behaviour is a potential risk factor for colorectal cancer. We examined the association between sedentary work, based on body position, and colorectal cancer risk in Canadians. METHODS: A working body position category (a. sitting; b. standing and walking; c. sitting, standing, and walking; d. other) was assigned to occupations reported by 1991 Canadian Census respondents based on national occupational counselling guidelines. Adjusted hazard ratios (HRs) and 95% confidence intervals (CI) were estimated for cancers of the colon (overall, proximal, and distal) and rectum in men and women newly diagnosed from 1992 to 2010...
June 23, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28651160/significance-of-extranodal-tumour-deposits-in-colorectal-cancer-a-systematic-review-and-meta-analysis
#3
REVIEW
Amy C Lord, Nigel D'Souza, Philip H Pucher, Brendan J Moran, A Muti Abulafi, Andrew Wotherspoon, Shahnawaz Rasheed, Gina Brown
AIMS: The presence and significance of extranodal tumour deposits (ENTDs) in colorectal cancer (CRC) continue to cause controversy in terms of origin, classification and prognostic significance. This review aims to assess current evidence on the origin of ENTDs in CRC and their effect on overall and disease-free survival. METHODS: A systematic review and meta-analysis were carried out in accordance with the Preferred Reporting Items for Systematic reviews and Meta-analyses (PRISMA) guidelines...
June 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28651158/prospective-validation-of-a-lymphocyte-infiltration-prognostic-test-in-stage-iii-colon-cancer-patients-treated-with-adjuvant-folfox
#4
Jean-François Emile, Catherine Julié, Karine Le Malicot, Come Lepage, Josep Tabernero, Enrico Mini, Gunnar Folprecht, Jean-Luc Van Laethem, Stéphanie Dimet, Camille Boulagnon-Rombi, Marc-Antoine Allard, Frédérique Penault-Llorca, Jaafar Bennouna, Pierre Laurent-Puig, Julien Taieb
BACKGROUND: The prognostic value of lymphocyte infiltration (LI) of colorectal carcinoma (CC) has been demonstrated by several groups. However, no validated test is currently available for clinical practice. We previously described an automated and reproducible method for testing LI and aimed to validate it for clinical use. PATIENTS AND METHODS: According to National Institutes of Health criteria, we designed a prospective validation of this biomarker in patients included in the PETACC8 phase III study...
June 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28651018/meta-analysis-of-mirna-expression-profiles-for-prostate-cancer-recurrence-following-radical-prostatectomy
#5
Elnaz Pashaei, Elham Pashaei, Maryam Ahmady, Mustafa Ozen, Nizamettin Aydin
BACKGROUND: Prostate cancer (PCa) is a leading reason of death in men and the most diagnosed malignancies in the western countries at the present time. After radical prostatectomy (RP), nearly 30% of men develop clinical recurrence with high serum prostate-specific antigen levels. An important challenge in PCa research is to identify effective predictors of tumor recurrence. The molecular alterations in microRNAs are associated with PCa initiation and progression. Several miRNA microarray studies have been conducted in recurrence PCa, but the results vary among different studies...
2017: PloS One
https://www.readbyqxmd.com/read/28650662/glucose-restriction-combined-with-autophagy-inhibition-and-chemotherapy-in-hct-116-spheroids-decreases-cell-clonogenicity-and-viability-regulated-by-tumor-suppressor-genes
#6
Monica M Schroll, Gabriel J LaBonia, Katelyn R Ludwig, Amanda B Hummon
Drug resistance is a prevalent phenomenon that decreases the efficacy of cancer treatments and contributes to cancer progression and metastasis. Weakening drug resistant cancer cells prior to chemotherapy is a potential strategy to combat chemoresistance. One approach to damage resistant cancer cells is modulation of nutritional intake. The combination of nutrient restriction with targeted compound treatment results in pronounced molecular changes. This study provides valuable information about augmenting existing chemotherapeutic regimes with simultaneous glucose restriction and autophagy inhibition in colorectal cancer cells...
June 26, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28650357/defining-the-role-of-minimally-invasive-proctectomy-for-locally-advanced-rectal-adenocarcinoma
#7
Sarath Sujatha-Bhaskar, Mehraneh D Jafari, John V Gahagan, Colette S Inaba, Christina Y Koh, Steven D Mills, Joseph C Carmichael, Michael J Stamos, Alessio Pigazzi
OBJECTIVE: National examination of open proctectomy (OP), laparoscopic proctectomy (LP), and robotic proctectomy (RP) in pathological outcomes and overall survival (OS). BACKGROUND: Surgical management for rectal adenocarcinoma is evolving towards utilization of LP and RP. However, the oncological impacts of a minimally invasive approach to rectal cancer have yet to be defined. METHODS: Retrospective review of the National Cancer Database identified patients with nonmetastatic locally advanced rectal adenocarcinoma from 2010 to 2014, who underwent neoadjuvant chemoradiation, surgical resection, and adjuvant therapy...
July 22, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28650334/expression-of-twist-protein-in-colorectal-carcinoma-and-its-effect-on-proliferation-and-invasion-of-colorectal-cancer-cells
#8
Chuanyao Cheng, Yaguang Qin, Yanhua Li, Jia Pan, Jianjun Wang
This paper aims to study Twist protein expression in colorectal carcinoma and its effect on the proliferation and invasion of colorectal cancer cells, and to explore its specific mechanism of promoting cancer. Tissues of 20 patients and specimens of 20 normal people were examined by colonoscopy biopsy; the Twist mRNA expression level was detected by real-time quantitative PCR; the RNA interference in colorectal carcinoma cell line CT-26 cells was performed by lipid transfection method; the effects of Twist interference on proliferation and invasion of colorectal cancer cells were observed by CCK8 assay and tran swell assay; the mRNA and protein levels of mRNA in CT-26 cells were detected by RT-PCR and Western blot...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28649914/characterizing-time-to-diagnostic-resolution-after-an-abnormal-cancer-screening-exam-in-older-adult-participants-in-the-ohio-patient-navigation-research-program
#9
Jennifer M DeSalvo, Gregory S Young, Jessica L Krok-Schoen, Electra D Paskett
OBJECTIVE: This study aims to test the effectiveness of a patient navigation (PN) intervention to reduce time to diagnostic resolution among older adults age ≥65 years versus those <65 years with abnormal breast, cervical, or colorectal cancer screening exams participating in the Ohio Patient Navigation Research Program (OPNRP). METHOD: The OPNRP utilized a nested cohort group-randomized trial design to randomize 862 participants ( n = 67 for ≥65 years; n = 795 for <65 years) to PN or usual care conditions...
June 1, 2017: Journal of Aging and Health
https://www.readbyqxmd.com/read/28649886/epidermal-growth-factor-inhibitors-in-first-line-for-metastatic-colorectal-cancer-with-ras-wild-type-a-perspective-based-on-pharmacological-costs
#10
Jacopo Giuliani, Andrea Bonetti
In light of the relevant expenses of pharmacological interventions it might be interesting to make a balance between the cost of the new drugs administered, such as EGFRIs (cetuximab and panitunumab) and the added value represented by the improvement of the clinical parameters of interest such as progression free survival (PFS). Areas Covered: The analysis was conducted to assess the effect of front-line chemotherapy on the PFS, separately, on each arm of the evaluated trials. Only phase III randomized controlled trials (RCTs) were considered...
June 24, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/28649871/the-potential-role-of-nintedanib-in-treating-colorectal-cancer
#11
Antonio Rossi, Tiziana Pia Latiano, Paola Parente, Cinzia Chiarazzo, Filomena Limosani, Gabriele Di Maggio, Evaristo Maiello
Angiogenesis leads to the growth, progression, and metastases of a variety of solid tumors, including metastatic colorectal cancer (mCRC), involving particularly the family of vascular endothelial growth factors (VEGF) and their receptors (VEGFR). Several anti-angiogenic inhibitors are already registered for mCRC therapy: bevacizumab, aflibercept, ramucirumab, regorafenib. Nintedanib is a new triple angiokinase oral inhibitor that potently blocks the proangiogenic pathways mediated by VEGFR, platelet-derived growth factor receptor (PDGFR), and fibroblast growth factor receptor (FGFR)...
June 26, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28649755/preoperative-geriatric-assessment-and-tailored-interventions-in-frail-older-patients-with-colorectal-cancer-a-randomised-controlled-trial
#12
Nina Ommundsen, Torgeir B Wyller, Arild Nesbakken, Arne O Bakka, Marit S Jordhøy, Eva Skovlund, Siri Rostoft
BACKGROUND: Colorectal cancer (CRC) is prevalent in the older population, and surgery is the mainstay in curative treatment. A preoperative geriatric assessment (GA) can identify frail older patients at risk for developing postoperative complications. In this randomised controlled trial we wanted to investigate whether tailored interventions based on a preoperative GA could reduce the frequency of postoperative complications in frail patients operated for CRC. METHODS: Patients >65 years scheduled for elective CRC surgery and fulfilling predefined criteria for frailty were randomised to either a preoperative GA followed by a tailored intervention, or care as usual...
June 26, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28649692/urgent-need-to-strengthen-and-expand-screening-and-other-cancer-control-programs-in-the-caricom-caribbean
#13
Renee A Franklin, Donald T Simeon
PURPOSE: With high mortality in breast, cervical, prostate, and colorectal cancers in Caribbean Community (CARICOM) countries, we examined cancer control initiatives including screening as well as the implementation of relevant international and regional mandates. METHODS: Secondary data were used to examine cancer control initiatives, which included the presence of national policies, programs, and screening services as well as the implementation of international and regional mandates...
June 26, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28649441/clinical-responses-to-erk-inhibition-in-braf-v600e-mutant-colorectal-cancer-predicted-using-a-computational-model
#14
Daniel C Kirouac, Gabriele Schaefer, Jocelyn Chan, Mark Merchant, Christine Orr, Shih-Min A Huang, John Moffat, Lichuan Liu, Kapil Gadkar, Saroja Ramanujan
Approximately 10% of colorectal cancers harbor BRAF(V600E) mutations, which constitutively activate the MAPK signaling pathway. We sought to determine whether ERK inhibitor (GDC-0994)-containing regimens may be of clinical benefit to these patients based on data from in vitro (cell line) and in vivo (cell- and patient-derived xenograft) studies of cetuximab (EGFR), vemurafenib (BRAF), cobimetinib (MEK), and GDC-0994 (ERK) combinations. Preclinical data was used to develop a mechanism-based computational model linking cell surface receptor (EGFR) activation, the MAPK signaling pathway, and tumor growth...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28649371/recent-advances-in-microbial-fermentation-for-dairy-and-health
#15
REVIEW
Daragh Hill, Ivan Sugrue, Elke Arendt, Colin Hill, Catherine Stanton, R Paul Ross
Microbial fermentation has been used historically for the preservation of foods, the health benefits of which have since come to light. Early dairy fermentations depended on the spontaneous activity of the indigenous microbiota of the milk. Modern fermentations rely on defined starter cultures with desirable characteristics to ensure consistency and commercial viability. The selection of defined starters depends on specific phenotypes that benefit the product by guaranteeing shelf life and ensuring safety, texture, and flavour...
2017: F1000Research
https://www.readbyqxmd.com/read/28649243/distinct-blood-and-visceral-adipose-tissue-regulatory-t-cell-and-innate-lymphocyte-profiles-characterize-obesity-and-colorectal-cancer
#16
Gloria Donninelli, Manuela Del Cornò, Marina Pierdominici, Beatrice Scazzocchio, Rosaria Varì, Barbara Varano, Ilenia Pacella, Silvia Piconese, Vincenzo Barnaba, Massimo D'Archivio, Roberta Masella, Lucia Conti, Sandra Gessani
Visceral adipose tissue (VAT) is a main site where metabolic and immunologic processes interplay to regulate, at local and systemic level, the inflammatory status and immune response. Obesity-associated inflammation and immune dysfunctions are inextricably linked to tumor but, in spite of intense efforts, the mechanisms underpinning this association remain elusive. In this report, we characterized the profile of VAT-associated and circulating innate lymphocyte and regulatory T (Treg) cell subsets underlying inflammatory conditions, such as obesity and colorectal cancer (CRC)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648557/risk-prediction-equations-for-survival-in-colorectal-cancer
#17
Talha Khan Burki
No abstract text is available yet for this article.
June 22, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28648219/primary-care-collaboration-to-improve-diagnosis-and-screening-for-colorectal-cancer
#18
Gordon D Schiff, Trudy Bearden, Lindsay Swain Hunt, Jennifer Azzara, Jay Larmon, Russell S Phillips, Sara Singer, Brandon Bennett, Jonathan R Sugarman, Asaf Bitton, Andrew Ellner
BACKGROUND: Colorectal cancer (CRC) is a leading cause of cancer death, reducible by screening and early diagnosis, yet many patients fail to receive recommended screening. As part of an academic improvement collaborative, 25 primary care practices worked to improve CRC screening and diagnosis. METHODS: The project featured triannual learning sessions, monthly conference calls, practice coach support, and monthly reporting. The project phases included literature review and interviews with national leaders/organizations, development of driver diagrams to identify key factors and change ideas, project launch and practice team planning, and a practice improvement phase...
July 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28648086/lower-morbidity-and-improved-outcomes-in-patients-with-screen-detected-colorectal-cancer
#19
David Mansouri
Screening for colorectal cancer is now integrated into the fabric of healthcare systems across the world, as a wealth of evidence exists as regards its benefits in reducing cancer-specific mortality through the detection of early-stage disease. Options for screening include both endoscopic and stool-based tests, with a majority of countries opting for repeated faecal occult blood screening tests (FOBt). These can be either guaiac-based, as is the current system across the UK, or immunoglobulin-based, as is the case in the accompanying article from Spain...
June 26, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28648007/-current-status-and-prospect-of-colorectal-cancer-in-precision-medical-model
#20
X S Wang
No abstract text is available yet for this article.
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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