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https://www.readbyqxmd.com/read/29790087/correlation-between-clinical-and-pathologic-staging-in-colon-cancer-implications-for-neoadjuvant-treatment
#1
Ahmed N Dehal, Amanda N Graff-Baker, Brooke Vuong, Daniel Nelson, Shu-Ching Chang, David Y Lee, Melanie Goldfarb, Anton J Bilchik
BACKGROUND: Recent randomized trials suggest improved outcomes in patients with locally advanced colon cancer (LACC) treated with neoadjuvant chemotherapy (NAC). Optimal selection of patients for NAC depends on accurate clinical staging. The purpose of this study was to examine the degree of correlation between clinical and pathologic staging in patients with colon cancer (CC). METHODS: Adult patients with non-metastatic CC who underwent surgery were identified from the National Cancer Data Base between 2006 and 2014...
May 22, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29731961/macrophages-induce-budding-in-aggressive-human-colon-cancer-subtypes-by-protease-mediated-disruption-of-tight-junctions
#2
Kari Trumpi, Nicola Frenkel, Timo Peters, Nicoline M Korthagen, Jennifer M J Jongen, Daniëlle Raats, Helma van Grevenstein, Yara Backes, Leon M Moons, Miangela M Lacle, Jan Koster, Danny Zwijnenburg, Inne H M Borel Rinkes, Onno Kranenburg
Primary human colorectal tumors with a high stromal content have an increased capacity to metastasize. Cancer-associated fibroblasts (CAFs) promote metastasis, but the contribution of other stromal cell types is unclear. Here we searched for additional stromal cell types that contribute to aggressive tumor cell behavior. By making use of the 'immunome compendium'-a collection of gene signatures reflecting the presence of specific immune cell-types-we show that macrophage signatures are most strongly associated with a high CAF content and with poor prognosis in multiple large cohorts of primary tumors and liver metastases...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29726125/long-term-oncological-outcomes-of-local-excision-versus-radical-resection-for-early-colorectal-cancer-in-young-patients-without-preoperative-chemoradiotherapy-a-population-based-propensity-matching-study
#3
Bin Cao, Li Min, Shengtao Zhu, Haiyun Shi, Shutian Zhang
The incidence and mortality of colorectal carcinoma are rising in young adults. This population-based propensity matching study aimed to compare long-term oncological outcomes of local excision with radical resection for early localized colorectal cancer (CRC) in young patients without preoperative chemoradiotherapy. Patients under 45 years old with T1 colon or rectal adenocarcinoma who underwent local excision or radical resection were included from the Surveillance, Epidemiology, and End Results (SEER) database between 1998 and 2014...
May 3, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29713641/treatment-of-elderly-patients-with-colorectal-cancer
#4
REVIEW
Yoshiro Itatani, Kenji Kawada, Yoshiharu Sakai
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. As society ages, the number of elderly patients with CRC will increase. The percentage of patients with right-sided colon cancer and the incidence of microsatellite instability are higher in elderly than in younger patients with CRC. Moreover, the higher incidence of comorbid diseases in elderly patients indicates the need for less invasive treatment strategies. For example, care should be taken in performing additional surgery after endoscopic submucosal dissection for elderly patients with high-risk T1 CRC...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29620995/3-versus-6-months-of-oxaliplatin-based-adjuvant-chemotherapy-for-patients-with-stage-iii-colon-cancer-disease-free-survival-results-from-a-randomized-open-label-international-duration-evaluation-of-adjuvant-idea-france-phase-iii-trial
#5
Thierry André, Dewi Vernerey, Laurent Mineur, Jaafar Bennouna, Jérôme Desrame, Roger Faroux, Serge Fratte, Marine Hug de Larauze, Sophie Paget-Bailly, Benoist Chibaudel, Jeremie Bez, Jérôme Dauba, Christophe Louvet, Céline Lepere, Olivier Dupuis, Yves Becouarn, May Mabro, Joëlle Egreteau, Olivier Bouche, Gaël Deplanque, Marc Ychou, Marie Pierre Galais, François Ghiringhelli, Louis Marie Dourthe, Jean-Baptiste Bachet, Ahmed Khalil, Franck Bonnetain, Aimery de Gramont, Julien Taieb
Purpose Reduction of adjuvant treatment duration may decrease toxicities without loss of efficacy in stage III colon cancer. This could offer clear advantages to patients and health care providers. Methods In International Duration Evaluation of Adjuvant Chemotherapy (IDEA) France, as part of the IDEA international collaboration, patient with colon cancer patients were randomly assigned to 3 and 6 months of modified FOLFOX6 (mFOLFOX6: infusional fluorouracil, leucovorin, and oxaliplatin) or capecitabine plus oxaliplatin (CAPOX) by physician choice...
April 5, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29603286/insights-into-the-different-effects-of-food-on-intestinal-secretion-using-magnetic-resonance-imaging
#6
Victoria C Wilkinson-Smith, Giles Major, Lucy Ashleigh, Kathryn Murray, Caroline L Hoad, Luca Marciani, Penny A Gowland, Robin C Spiller
BACKGROUND: Plant foods may stimulate intestinal secretion through chemicals designed to deter herbivores, including lactucins in lettuce and rhein in rhubarb. This may increase ileostomy output and induce diarrhoea in people with intact bowels. OBJECTIVE: We aimed to determine the effect of food on intestinal water content using Magnetic Resonance Imaging (MRI). DESIGN: A three period crossover trial of isocaloric meals in adults without bowel disorders...
March 30, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29602999/long-term-oncologic-outcomes-after-laparoscopic-vs-open-colon-cancer-resection-a-high-quality-population-based-analysis-in-a-southern-german-district
#7
Vinzenz Völkel, Teresa Draeger, Michael Gerken, Monika Klinkhammer-Schalke, Alois Fürst
BACKGROUND: Over 20 years after the introduction of laparoscopic surgery for colon cancer, many surgeons still prefer the open approach. Whereas randomized controlled trials (RCTs) have proven the oncologic safety of laparoscopy, long-term data depicting daily clinical routine are scarce. METHODS: This population-based cohort study compares 5-year overall, relative, and recurrence-free survival rates after laparoscopic and open colon carcinoma surgery. Data derive from an independent German cancer registry encompassing all tumor patients within a political district of 1...
March 30, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29590544/duration-of-adjuvant-chemotherapy-for-stage-iii-colon-cancer
#8
COMPARATIVE STUDY
Axel Grothey, Alberto F Sobrero, Anthony F Shields, Takayuki Yoshino, James Paul, Julien Taieb, John Souglakos, Qian Shi, Rachel Kerr, Roberto Labianca, Jeffrey A Meyerhardt, Dewi Vernerey, Takeharu Yamanaka, Ioannis Boukovinas, Jeffrey P Meyers, Lindsay A Renfro, Donna Niedzwiecki, Toshiaki Watanabe, Valter Torri, Mark Saunders, Daniel J Sargent, Thierry Andre, Timothy Iveson
BACKGROUND: Since 2004, a regimen of 6 months of treatment with oxaliplatin plus a fluoropyrimidine has been standard adjuvant therapy in patients with stage III colon cancer. However, since oxaliplatin is associated with cumulative neurotoxicity, a shorter duration of therapy could spare toxic effects and health expenditures. METHODS: We performed a prospective, preplanned, pooled analysis of six randomized, phase 3 trials that were conducted concurrently to evaluate the noninferiority of adjuvant therapy with either FOLFOX (fluorouracil, leucovorin, and oxaliplatin) or CAPOX (capecitabine and oxaliplatin) administered for 3 months, as compared with 6 months...
March 29, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29587668/knockdown-delta-5-desaturase-in-breast-cancer-cells-that-overexpress-cox-2-results-in-inhibition-of-growth-migration-and-invasion-via-a-dihomo-%C3%AE-linolenic-acid-peroxidation-dependent-mechanism
#9
Yi Xu, Xiaoyu Yang, Tao Wang, Liu Yang, Yu-Ying He, Keith Miskimins, Steven Y Qian
BACKGROUND: Cyclooxygenase-2 (COX-2), the inducible COX form, is a bi-functional membrane-bound enzyme that typically metabolizes arachidonic acid (downstream ω-6 fatty acid) to form 2-series of prostaglandins known to be involved in cancer development. Overexpression of COX-2 has been found in a majority of breast carcinomas, and has also been associated with increased severity and the development of the metastasis. Our lab recently demonstrated that COX-2 can also metabolize dihomo-γ-linolenic acid (DGLA, a precursor of ω-6 arachidonic acid) to produce an anti-cancer byproduct, 8-hydroxyoctanoic acid (8-HOA) that can inhibit growth and migration of colon and pancreatic cancer cells...
March 27, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29567257/pharmacokinetics-bioavailability-tissue-distribution-and-excretion-of-tangeretin-in-rat
#10
Wei-Lun Hung, Wei-Shan Chang, Wen-Chien Lu, Guor-Jien Wei, Yu Wang, Chi-Tang Ho, Lucy Sun Hwang
Tangeretin, 4',5,6,7,8-pentamethoxyflavone, is one of the major polymethoxyflavones (PMFs) existing in citrus fruits, particularly in the peels of sweet oranges and mandarins. Tangeretin has been reported to possess several beneficial bioactivities including anti-inflammatory, anti-proliferative and neuroprotective effects. To achieve a thorough understanding of the biological actions of tangeretin in vivo, our current study is designed to investigate the pharmacokinetics, bioavailability, distribution and excretion of tangeretin in rats...
April 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29564130/prognostic-significance-of-unintentional-body-weight-loss-in-colon-cancer-patients
#11
Yi-Hung Kuo, Chung-Sheng Shi, Cheng Yi Huang, Yun-Ching Huang, Chih-Chien Chin
The aim of the present study was to investigate whether unintentional body weight loss (BWL) provides additional clinical information in terms of tumor progression and prognosis in non-metastatic colon cancer. In the present study, a total of 2,406 consecutive colon cancer patients without metastasis were retrospectively enrolled. Unintentional BWL was defined as loss of >5% of body weight within the last 6-12 months, or defined subjectively upon fulfillment of at least two of the following: Evidence of change in clothing size and corroboration of the reported weight loss by family or friend...
April 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29515342/a-diminutive-t1-cancer-4-mm-in-size-resected-by-cold-snare-polypectomy
#12
Naohisa Yoshida, Yuji Naito, Takaaki Murakami, Kiyoshi Ogiso, Ryohei Hirose, Yutaka Inada, Mitsuo Kishimoto, Rafiz Abdul Rani, Yoshito Itoh
Cold snare polypectomy (CSP) should be performed for benign lesions, though an accurate diagnosis is sometimes difficult with only white light observation. Irregular findings by narrow-band imaging (NBI) are useful for differentiating malignant lesions from benign lesions, and cases with this finding are not expected for CSP. We present a diminutive T1 cancer resected by CSP as a reflection case. A 68-year-old man underwent colonoscopy for surveillance after polypectomy. A reddish polyp 4 mm in size was detected at the rectum...
January 2018: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29449515/-therapeutic-effects-of-low-dose-bevacizumab-for-the-treatment-of-recurrent-brain-metastases
#13
Etsuko Hattori, Akinori Miyakoshi, Kohichi Go, Toshiharu Aotake, Yoshiyuki Kawakami, Masato Sakamoto, Takeshi Kawauchi, Yuuki Oichi, Noritaka Sano, Makoto Hayase, Makoto Ohta, Yuki Hirose, Hiroki Toda
OBJECTIVE: Molecularly targeted therapy has been adopted to treat a number of cancers. Bevacizumab, a recombinant humanized monoclonal antibody against vascular endothelial growth factor, is a representative agent used in molecularly targeted therapeutic regimens. However, the therapeutic effect of bevacizumab for the treatment of brain metastases remains unknown. We report the clinical effects of low dose bevacizumab(≤2.5mg/kg/week)to treat recurrent brain metastases. METHODS: We retrospectively analyzed patients with brain metastases who had been treated with bevacizumab between 2012 and 2016 at our institution...
February 2018: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29407693/the-value-of-red-blood-cell-distribution-width-in-diagnosis-of-patients-with-colorectal-cancer
#14
Dianyu Yang, Wenqiang Quan, Junlu Wu, Xiaoyi Ji, Yan Dai, Weidong Xiao, Helen Chew, Zujun Sun, Dong Li
BACKGROUND: Red blood cell distribution width (RDW) is a parameter of standard full blood count tests that reflects the size variability of erythrocytes In recent studies, RDW levels have been associated with ischemic heart disease, acute and chronic heart failure, hypertension, and inflammatory bowel disease. However, it is unclear whether RDW is associated with colorectal cancer. METHODS: Eighty-five patients were diagnosed with colorectal cancer. Fifty-four other patients each diagnosed with colon polyps during the same period served as the control group...
April 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29405492/effects-of-naloxegol-on-whole-gut-transit-in-opioid-na%C3%A3-ve-healthy-subjects-receiving-codeine-a-randomized-controlled-trial
#15
H Halawi, P Vijayvargiya, I Busciglio, I Oduyebo, D Khemani, M Ryks, D Rhoten, D Burton, L A Szarka, A Acosta, M Camilleri
BACKGROUND: Nausea, vomiting, and constipation (OIC) are common adverse effects of acute or chronic opioid use. Naloxegol (25 mg) is an approved peripherally active mu-opiate opioid receptor antagonist. AIM: To compare the effects on pan-gut transit of treatment with codeine, naloxegol, or combination in healthy volunteers. METHODS: We conducted a randomized, double-blind, placebo-controlled, single-center, parallel-group study in 72 healthy opioid-naïve adults, randomized to: codeine (30 mg q...
May 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29397654/full-thickness-resection-device-for-complex-colorectal-lesions-in-high-risk-patients-as-a-last-resort-endoscopic-treatment-initial-clinical-experience-and-review-of-the-current-literature
#16
Edris Wedi, Beatrice Orlandini, Mark Gromski, Carlo Felix Maria Jung, Irina Tchoumak, Stephanie Boucher, Volker Ellenrieder, Jürgen Hochberger
The full-thickness resection device (FTRD) is a novel endoscopic device approved for the resection of colorectal lesions. This case-series describes the device and its use in high-risk patients with colorectal lesions and provides an overview of the potential indications in recently published data. Between December 2014 and September 2015, 3 patients underwent endoscopic full thickness resection using the FTRD for colorectal lesions: 1 case for a T1 adenocarcinoma in the region of a surgical anastomosis after recto-sigmoidectomy, 1 case for a non-lifting colonic adenoma with low-grade dysplasia in an 89-year old patient and 1 for a recurrent adenoma with high-grade dysplasia in a young patient with ulcerative rectocolitis who was under immunosuppression after renal transplantation...
January 2018: Clinical Endoscopy
https://www.readbyqxmd.com/read/29388392/gellan-gum-hydrogels-with-enzyme-sensitive-biodegradation-and-endothelial-cell-biorecognition-sites
#17
Lucília P da Silva, Amit K Jha, Vitor M Correlo, Alexandra P Marques, Rui L Reis, Kevin E Healy
The survival of a biomaterial or tissue engineered construct is mainly hampered by the deficient microcirculation in its core, and limited nutrients and oxygen availability to the implanted or colonizing host cells. Aiming to address these issues, we herein propose bioresponsive gellan gum (GG) hydrogels that are biodegradable by metalloproteinase 1 (MMP-1) and enable endothelial cells adhesion and proliferation. GG is chemically functionalized with divinyl sulfone (DVS) and then biofunctionalized with thiol cell-adhesive peptides (T1 or C16) to confer GG endothelial cell biorecognition cues...
March 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29370702/discovery-and-preclinical-development-of-iiim-290-an-orally-active-potent-cyclin-dependent-kinase-inhibitor
#18
Sandip B Bharate, Vikas Kumar, Shreyans K Jain, Mubashir J Mintoo, Santosh K Guru, Vijay K Nuthakki, Mohit Sharma, Sonali S Bharate, Sumit G Gandhi, Dilip M Mondhe, Shashi Bhushan, Ram A Vishwakarma
Rohitukine (1), a chromone alkaloid isolated from Indian medicinal plant Dysoxylum binectariferum, has inspired the discovery of flavopiridol and riviciclib, both of which are bioavailable only via intravenous route. With the objective to address the oral bioavailability issue of this scaffold, four series of rohitukine derivatives were prepared and screened for Cdk inhibition and cellular antiproliferative activity. The 2,6-dichloro-styryl derivative IIIM-290 (11d) showed strong inhibition of Cdk-9/T1 (IC50 1...
February 22, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29368418/ileo-colonic-neuroendocrine-tumours-identified-in-the-english-bowel-cancer-screening-programme-bcsp
#19
R Basuroy, C M O'Donnell, R Srirajaskanthan, J K Ramage
AIMS: Ileocolonic neuroendocrine tumours (NETs) are diagnosed as part of bowel cancer screening programmes (BCSP). The aim of this study was to identify and characterise NETs diagnosed within the English BCSP, a double screen programme using guaic faecal occult blood (FOBT) screening and colonoscopy, by interrogating the national colorectal screening database and validating the findings with individual BCSP centers. METHODS: The Exeter database was interrogated by running queries to identify participants with coded NETs (2006-2014)...
January 25, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29348453/enhanced-anastomotic-healing-by-daikenchuto-tj-100-in-rats
#20
Toshiaki Wada, Kenji Kawada, Kenjiro Hirai, Kosuke Toda, Masayoshi Iwamoto, Suguru Hasegawa, Yoshiharu Sakai
Daikenchuto (DKT), a traditional Japanese medicine, is widely used to treat various gastrointestinal disorders. This study aimed to investigate whether DKT could promote the anastomotic healing in a rat model. Pedicled colonic segments were made in left colon by ligation of the feeding arteries, and then intestinal continuity was restored. Colonic blood flow was analyzed by using ICG fluorescence imaging: Fmax, Tmax, T1/2, and Slope were calculated. Anastomotic leakage (AL) was found in 6 of 19 rats (31.6%) in the control group, whereas in 1 of 16 rats (6...
January 18, 2018: Scientific Reports
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