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https://www.readbyqxmd.com/read/29317577/-therapeutic-effect-of-anti-cxcl1-neutralizing-antibody-on-%C3%A2-acute-ulcerative-colitis-in-mice
#1
Linglong Luo, Xuemei Zhang, Jing Wang, Xiayu Li, Jian Ma, Shourong Shen
To evaluate the therapeutic effect of CXCL1 monoclonal antibody on dextra sulfate sodium (DSS)-induced acute ulcerative colitis (UC) in mice, and to elucidate its effect on the expressions of TNF-α, IFN-γ, IL-17 and IL-10 as well as neutrophil infiltration.
 Methods: Female BALB/c mice were randomly divided into a normal group (DSS-), a disease group (DSS+saline), an anti-CXCL1 antibody group (DSS+anti-CXCL1 Ab) and a treatment control group (DSS+IgG Ab). The DSS+saline, DSS+anti-CXCL1 Ab and DSS+anti-CXCL1 Ab groups were given 3...
December 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29290768/modulated-electro-hyperthermia-induced-loco-regional-and-systemic-tumor-destruction-in-colorectal-cancer-allografts
#2
Tamas Vancsik, Csaba Kovago, Eva Kiss, Edina Papp, Gertrud Forika, Zoltan Benyo, Nora Meggyeshazi, Tibor Krenacs
Background: Modulated electro-hyperthermia (mEHT), a non-invasive intervention using 13.56 MHz radiofrequency, can selectively target cancers due to their elevated glycolysis (Warburg-effect), extracellular ion concentration and conductivity compared to normal tissues. We showed earlier that mEHT alone can provoke apoptosis and damage associated molecular pattern (DAMP) signals in human HT29 colorectal cancer xenografts of immunocompromised mice. Materials: Here we tested the mEHT induced stress and immune responses in C26 colorectal cancer allografts of immunocompetent (BALB/c) mice between 12-72 h post-treatment...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29285066/hyperthermia-exposure-induces-apoptosis-and-inhibits-proliferation-in-hct116-cells-by-upregulating-mir-34a-and-causing-transcriptional-activation-of-p53
#3
Zan Luo, Kangxia Zheng, Qi Fan, Xinyao Jiang, Dehai Xiong
Hyperthermia, as an anticancer therapeutic strategy, presents notable advantages in conjunction with irradiation and/or chemotherapy in the treatment of cancer by promoting apoptosis and inhibiting proliferation. A number of studies have documented that hyperthermia inhibits cancer progression through transcriptional activation of p53, which promotes cell cycle arrest and apoptosis. However, the underlying molecular mechanisms of hyperthermia-regulated apoptosis and proliferation dependent on p53 remain largely unknown...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29246227/statin-consumption-as-a-risk-factor-for-developing-colorectal-cancer-a-retrospective-case-study
#4
David Renman, Erik Lundberg, Ulf Gunnarsson, Karin Strigård
BACKGROUND: Statins are the backbone of lipid-lowering therapy and are among the most commonly prescribed drugs in the elderly population in Sweden today. Colorectal cancer is the second most common cancer in men and women, after prostate and breast cancer, respectively, with a median age of 72 years at diagnosis. Statins induce mitochondrial damage leading to accumulation of reactive oxygen species in the cell. Reactive oxygen species can cause mutations in mitochondrial as well as nuclear DNA leading to the development of cancer...
December 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29235008/oncological-assessment-of-stent-placement-for-obstructive-colorectal-cancer-from-circulating-cell-free-dna-and-circulating-tumor-dna-dynamics
#5
Goro Takahashi, Takeshi Yamada, Takuma Iwai, Kohki Takeda, Michihiro Koizumi, Seiichi Shinji, Eiji Uchida
BACKGROUND: The self-expanding metallic stent (SEMS) provides effective decompression for patients with malignant large bowel obstruction (MLBO); however, mechanical damage to malignant cells from insertion may negatively affect prognosis, similar to surgical manipulation, and its oncological safety is unclear. We examined mechanical damage from SEMS placement using circulating cell-free DNA (cfDNA) and circulating tumor DNA (ctDNA). METHODS: Between 1 November 2014 and 30 June 2017, 35 MLBO patients were analyzed, comprising 25 SEMS patients and 10 transanal decompression tube (TDT) patients (control)...
December 12, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29214422/emu-oil-improves-clinical-indicators-of-disease-in-a-mouse-model-of-colitis-associated-colorectal-cancer
#6
Lauren C Chartier, Gordon S Howarth, Ian C Lawrance, Debbie Trinder, Scott J Barker, Suzanne Mashtoub
BACKGROUND/AIMS: Ulcerative colitis is a remitting and relapsing inflammatory bowel disorder. Current treatments are limited, and if poorly controlled, colitis may progress to colorectal cancer. Previously, Emu Oil protected the intestine in experimental models of gut damage. We aimed to determine whether Emu Oil could reduce the severity of chronic colitis and prevent the onset of neoplasia in a mouse model of colitis-associated colorectal cancer. METHODS: Female C57BL/6 mice were injected (day 0) with azoxymethane, followed by ad libitum access to three dextran sulfate sodium/water cycles (7 days of dextran sulfate sodium and 14 days of water)...
December 6, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29212164/targeted-sequencing-of-established-and-candidate-colorectal-cancer-genes-in-the-colon-cancer-family-registry-cohort
#7
Leon Raskin, Yan Guo, Liping Du, Mark Clendenning, Christophe Rosty, Noralane M Lindor, Stephen B Gruber, Daniel D Buchanan
The underlying genetic cause of colorectal cancer (CRC) can be identified for 5-10% of all cases, while at least 20% of CRC cases are thought to be due to inherited genetic factors. Screening for highly penetrant mutations in genes associated with Mendelian cancer syndromes using next-generation sequencing (NGS) can be prohibitively expensive for studies requiring large samples sizes. The aim of the study was to identify rare single nucleotide variants and small indels in 40 established or candidate CRC susceptibility genes in 1,046 familial CRC cases (including both MSS and MSI-H tumor subtypes) and 1,006 unrelated controls from the Colon Cancer Family Registry Cohort using a robust and cost-effective DNA pooling NGS strategy...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29182023/pdgfr%C3%AE-specific-affibody-directed-delivery-of-a-photosensitizer-ir700-is-efficient-for-vascular-targeted-photodynamic-therapy-of-colorectal-cancer
#8
Qiuxiao Shi, Ze Tao, Hao Yang, Qing Fan, Danfeng Wei, Lin Wan, Xiaofeng Lu
Vascular-targeted photodynamic therapy (PDT) is an important strategy for cancer therapy. Conventional vascular-targeted PDT has been achieved by passive photosensitizer (PS) delivery, which involves a high risk of adverse effects. Active PS delivery is urgently required for vascular-targeted PDT. Although endothelial cells and pericytes are major cellular components of tumor blood vessels, little attention has been paid to pericyte-targeted PDT for cancer therapy. PDGFRβ is abundantly expressed in the pericytes of various tumors...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/29142752/protective-effect-of-hydrogen-rich-water-on-liver-function-of-colorectal-cancer-patients-treated-with-mfolfox6-chemotherapy
#9
Qingxi Yang, Guangdong Ji, Rongtao Pan, Yinghui Zhao, Peng Yan
The present study was conducted to investigate the protective effect of hydrogen-rich water on the liver function of colorectal cancer (CRC) patients treated with mFOLFOX6 chemotherapy. A controlled, randomized, single-blind clinical trial was designed. A total of 152 patients with CRC were recruited by the Department of Oncology of Taishan Hospital (Taian, China) between June 2010 and February 2016, among whom 146 met the inclusion criteria. Subsequently, 144 patients were randomized into the treatment (n=80) and placebo (n=64) groups...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142293/neural-pathways-for-colorectal-control-relevance-to-spinal-cord-injury-and-treatment-a-narrative-review
#10
REVIEW
Brid Callaghan, John B Furness, Ruslan V Pustovit
STUDY DESIGN: Narrative review. OBJECTIVES: The purpose is to review the organisation of the nerve pathways that control defecation and to relate this knowledge to the deficits in colorectal function after SCI. METHODS: A literature review was conducted to identify salient features of defecation control pathways and the functional consequences of damage to these pathways in SCI. RESULTS: The control pathways for defecation have separate pontine centres under cortical control that influence defecation...
November 16, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29113173/bioinformatics-analysis-of-srsf1-controlled-gene-networks-in-colorectal-cancer
#11
Junxiu Sheng, Jinyao Zhao, Qiuhong Xu, Linlin Wang, Wenjing Zhang, Yang Zhang
Colorectal cancer is the third most common type of cancer and the fourth leading cause of cancer-associated mortality worldwide. Serine/arginine-rich splicing factor 1 (SRSF1) is a well-characterized oncogenic factor that promotes tumorigenesis by controlling a number of alternative splicing events. However, there is limited network analysis, from a global aspect, to study the effect of SRSF1 on colorectal cancer. In the present study, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of available gene regulation data from The Cancer Genome Atlas database revealed the enriched functions and signaling pathways of SRSF1...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29068374/ameliorative-effect-of-caffeic-acid-on-capecitabine-induced-hepatic-and-renal-dysfunction-involvement-of-the-antioxidant-defence-system
#12
Ebenezer Tunde Olayinka, Olaniyi Solomon Ola, Ayokanmi Ore, Oluwatobi Adewumi Adeyemo
Background: It has been postulated that during liver and kidney damage there is a decreased in the antioxidant status associated with a simultaneous increase in the reactive oxygen species and lipid peroxidation. In consonant with this, Capecitabine, an oral chemotherapy and inactive non-cytotoxic fluoropyrimidine considered for the treatment of advance colorectal cancer, has also been shown to induce oxidative stress in liver tissues. Caffeic acid, a typical hydroxycinnamic, has been claimed to be effective against oxidative stress...
October 25, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29052312/bleomycin-induced-chromosomal-damage-and-shortening-of-telomeres-in-peripheral-blood-lymphocytes-of-incident-cancer-patients
#13
Michal Kroupa, Zdenka Polivkova, Sivaramakrishna Rachakonda, Michaela Schneiderova, Sona Vodenkova, Tomas Buchler, Katerina Jiraskova, Marketa Urbanova, Ludmila Vodickova, Kari Hemminki, Rajiv Kumar, Pavel Vodicka
Disruption of genomic integrity due to deficient DNA repair capacity and telomere shortening constitute hallmarks of malignant diseases. Incomplete or deficient repair of DNA double-strand breaks (DSB) is manifested by chromosomal aberrations (CAs) and their frequency reflects inter-individual differences of response to exposure to mutagenic compounds. In this study, we investigated chromosomal integrity in peripheral blood lymphocytes (PBL) from newly diagnosed cancer patients, including 47 breast (BC) and 44 colorectal cancer (CRC) patients and 90 matched healthy controls...
October 20, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/29028286/doppler-guided-goal-directed-fluid-therapy-does-not-affect-intestinal-cell-damage-but-increases-global-gastrointestinal-perfusion-in-colorectal-surgery-a-randomized-controlled-trial
#14
Kostan W Reisinger, Henriette M Willigers, Jochen Jansen, Wim A Buurman, Maarten F Von Meyenfeldt, Geerard L Beets, Martijn Poeze
Individualized, goal-directed fluid therapy (GDFT) based on Doppler measurements of stroke volume has been proposed as a treatment strategy in terms of reducing complications, mortality and length of hospital stay in major bowel surgery. We studied the effect of Doppler guided GDFT on intestinal damage as compared with standard post-operative fluid replacement. STUDY DESIGN: Patients undergoing elective colorectal resection for malignancy were randomized to standard intra- and postoperative fluid therapy or standard fluid therapy with additional Doppler guided GDFT...
October 13, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28986187/aldose-reductase-inhibitor-fidarestat-regulates-mitochondrial-biogenesis-via-nrf2-ho-1-ampk-pathway-in-colon-cancer-cells
#15
Kirtikar Shukla, Himangshu Sonowal, Ashish Saxena, Kota V Ramana, Satish K Srivastava
Although we have shown earlier that aldose reductase (AR) inhibitors prevent colorectal cancer cell (CRC) growth in culture as well as in nude mice xenografts, the mechanism(s) is not well understood. In this study, we have investigated how AR inhibition prevents CRC growth by regulating the mitochondrial biogenesis via Nrf2/HO-1 pathway. Incubation of CRC cells such as SW-480, HT29, and HCT116 with AR inhibitor, fidarestat that non-covalently binds to the enzyme, increases the expression of Nrf2. Further, fidarestat augmented the EGF-induced expression of Nrf2 in CRC cells...
December 28, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28872077/-role-of-ppix-based-photodynamic-therapy-in-promoting-the-damage-and-apoptosis-of-colorectal-cancer-cell-and-its-mechanisms
#16
Guoqing Ouyang, Zhipeng Liu, Li Xiong, Xiang Chen, Qinglong Li, He Huang, Liangwu Lin, Xiongying Miao, Lun Ma, Wei Chen, Yu Wen
To explore the effects of protoporphyrin IX (PpIX)-mediated photodynamic therapy (PDT) on induction of apoptosis and death in colon cancer cell and the underlying mechanisms.
 Methods: The cell killing effect of PDT on HCT116 cell was determined by cell counting kit (CCK). The cells were divided into a control group, a single light group, a single PpIX group, and a PDT group. Hoechst 33342 and flow cytometry was used to assess the cell apoptosis. Western blot was employed to analyze the expressions of bcl-2, bax, and caspase-3...
August 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28859095/exacerbation-of-colon-carcinogenesis-by-blastocystis-sp
#17
Vinoth Kumarasamy, Umah Rani Kuppusamy, Pailoor Jayalakshmi, Chandramathi Samudi, Nanthiney Devi Ragavan, Suresh Kumar
Colorectal cancer (CRC) is one the most commonly diagnosed cancers worldwide and the number is increasing every year. Despite advances in screening programs, CRC remains as the second leading cause of cancer deaths in the United States. Oxidative stress plays an important role in the molecular mechanisms of colorectal cancer (CRC) and has been shown to be associated with Blastocystis sp., a common intestinal microorganism. In the present study, we aimed to identify a role for Blastocystis sp. in exacerbating carcinogenesis using in vivo rat model...
2017: PloS One
https://www.readbyqxmd.com/read/28846497/the-efficacy-of-a-novel-surgical-device-in-preventing-intraoperative-wound-contamination-in-an-in-vivo-porcine-model
#18
Insoo Suh, Sarah A Long, Jonathan Coe, Jeremy Koehler, Donald Fry, Mark L Welton
BACKGROUND: Surgical site infections (SSIs) remain a morbid and costly complication in abdominal surgery. Topical antibiotic delivery via intraoperative irrigation and barrier wound protection are strategies for preventing SSI. We tested the safety and efficacy of a novel wound protector device with an integrated fluid irrigation platform in a porcine model. METHODS: A simulated colorectal resection model was designed and performed on adult female pigs with a standardized concentration of 10(9) colony-forming units (CFU) of Escherichia coli administered to the wound site in 10 mL of normal saline (n = 7)...
August 28, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28737782/ferrocene-cinchona-hybrids-with-triazolyl-chalcone-linkers-act-as-pro-oxidants-and-sensitize-human-cancer-cell-lines-to-paclitaxel
#19
Ana Podolski-Renić, Szilvia Bősze, Jelena Dinić, László Kocsis, Ferenc Hudecz, Antal Csámpai, Milica Pešić
Recently, we demonstrated that ferrocene-containing compounds with a cinchona moiety displayed marked anticancer activity. Here we report on the effects of the most promising isomers encompassing quinine- (compounds 4 and 5) and quinidine-epimers (compounds 6 and 7) - synthesized using improved methods providing controlled diastereoselectivity - in three different human multidrug resistant (MDR) cancer cell lines and their sensitive counterparts (non-small cell lung carcinoma NCI-H460/R/NCI-H460, colorectal carcinoma DLD1-TxR/DLD1 and glioblastoma U87-TxR/U87)...
August 16, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28708932/tandem-repeat-variation-near-the-hic1-hypermethylated-in-cancer-1-promoter-predicts-outcome-of-oxaliplatin-based-chemotherapy-in-patients-with-metastatic-colorectal-cancer
#20
Satoshi Okazaki, Marta Schirripa, Fotios Loupakis, Shu Cao, Wu Zhang, Dongyun Yang, Yan Ning, Martin D Berger, Yuji Miyamoto, Mitsukuni Suenaga, Syma Iqubal, Afsaneh Barzi, Chiara Cremolini, Alfredo Falcone, Francesca Battaglin, Lisa Salvatore, Beatrice Borelli, Timothy G Helentjaris, Heinz-Josef Lenz
BACKGROUND: The hypermethylated in cancer 1/sirtuin 1 (HIC1/SIRT1) axis plays an important role in regulating the nucleotide excision repair pathway, which is the main oxaliplatin-induced damage-repair system. On the basis of prior evidence that the variable number of tandem repeat (VNTR) sequence located near the promoter lesion of HIC1 is associated with HIC1 gene expression, the authors tested the hypothesis that this VNTR is associated with clinical outcome in patients with metastatic colorectal cancer who receive oxaliplatin-based chemotherapy...
November 15, 2017: Cancer
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