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https://www.readbyqxmd.com/read/28645115/a-comprehensive-review-of-heregulins-her3-and-her4-as-potential-therapeutic-targets-in-cancer
#1
REVIEW
Jose Mauricio Mota, Katharine Ann Collier, Ricardo Lima Barros Costa, Timothy Taxter, Aparna Kalyan, Caio A Leite, Young Kwang Chae, Francis J Giles, Benedito A Carneiro
Heregulins (HRGs) bind to the receptors HER3 or HER4, induce receptor dimerization, and trigger downstream signaling that leads to tumor progression and resistance to targeted therapies. Increased expression of HRGs has been associated with worse clinical prognosis; therefore, attempts to block HRG-dependent tumor growth have been pursued. This manuscript summarizes the function and signaling of HRGs and review the preclinical evidence of its involvement in carcinogenesis, prognosis, and treatment resistance in several malignancies such as colorectal cancer, non-small cell lung cancer, ovarian cancer, and breast cancer...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643016/screening-for-lynch-syndrome-in-young-saudi-colorectal-cancer-patients-using-microsatellite-instability-testing-and-next-generation-sequencing
#2
Masood Alqahtani, Caitlin Edwards, Natasha Buzzacott, Karen Carpenter, Khalid Alsaleh, Abdulmalik Alsheikh, Waleed Abozeed, Miral Mashhour, Afnan Almousa, Yousef Housawi, Shareefa Al Hawwaj, Barry Iacopetta
Individuals with Lynch syndrome (LS) have germline variants in DNA mismatch repair (MMR) genes that confer a greatly increased risk of colorectal cancer (CRC), often at a young age. Identification of these individuals has been shown to increase their survival through improved surveillance. We previously identified 33 high risk cases for LS in the Saudi population by screening for microsatellite instability (MSI) in the tumor DNA of 284 young CRC patients. The aim of the present study was to identify MMR gene variants in this cohort of patients...
June 22, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28638266/nuclear-expression-of-gs28-protein-a-novel-biomarker-that-predicts-prognosis-in-colorectal-cancers
#3
Sung Hak Lee, Hyung Jae Yoo, Do Eun Rim, Yinji Cui, Ahwon Lee, Eun Sun Jung, Seung Taek Oh, Jun Gi Kim, Oh-Joo Kwon, Su Young Kim, Seong-Whan Jeong
Aims: GS28 (Golgi SNARE protein, 28 kDa), a member of the soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNARE) protein family, plays a critical role in mammalian endoplasmic reticulum (ER)-Golgi or intra-Golgi vesicle transport. To date, few researches on the GS28 protein in human cancer tissues have been reported. In this study, we assessed the prognostic value of GS28 in patients with colorectal cancer (CRC). Methods and results: We screened for GS28 expression using immunohistochemistry in 230 surgical CRC specimens...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28624559/hereditary-factors-are-unlikely-behind-unusual-pattern-of-early-onset-colorectal-cancer-in-egyptians-a-study-of-family-history-and-pathology-features-in-egyptians-with-large-bowel-cancer-cross-sectional-study
#4
Ahmed A Abou-Zeid, Wael A Jumuah, Essam F Ebied, Karim Sabry Abd El Samee Atia, Yasser El Ghamrini, Dina A Somaie
BACKGROUND: Colorectal cancer in Egypt has a higher incidence in young patients compared to western countries, where the disease is more prevalent in the old age group. This difference has been attributed to higher incidence of hereditary cancers in young Egyptian patients. The aim of this study is to compare the family history criteria and pathology features of tumors in young (≤40 years) and old (>40 years) Egyptian patients with adenocarcinoma of the colon and rectum. MATERIALS AND METHODS: This is the analysis of our prospectively collected data on the pathology features of tumors in 313 consecutive patients (133 young, 180 old) with colorectal cancer presenting to the Department of Surgery within an eight-year period...
June 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28621686/pseudoprogression-in-microsatellite-instability-high-colorectal-cancer-during-treatment-with-combination-t-cell-mediated-immunotherapy-a-case-report-and-literature-review
#5
Young Kwang Chae, Si Wang, Halla Nimeiri, Aparna Kalyan, Francis J Giles
Evading tumor-mediated immunosuppression through antibodies to immune checkpoints has shown clinical benefit in patients with select solid tumors. There is a heterogeneity of responses in patients receiving immunotherapy, including pseudoprogression in which the tumor burden increases initially before decreasing to reach disease control. The characteristics and basis of pseudoprogression, however, remains poorly understood. We hereby report a case of microsatellite instability (MSI)-high metastatic colorectal cancer treated with combination of OX40 agonist and programmed death ligand-1 (PD-L1) antagonist that demonstrated pseudoprogression reaching 163% increase from baseline tumor burden...
June 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611980/there-is-no-role-for-colonoscopy-after-diverticulitis-among-asian-patients-less-than-50-years-of-age
#6
Dedrick Kok Hong Chan, Ker-Kan Tan
BACKGROUND: Colonoscopy is advocated following acute diverticulitis to ensure that malignancy is not missed. In an Asian population, diverticulitis is more common in the right colon and in younger patients. The purpose of this study is to examine the utility of colonoscopy amongst Asian patients <50 years of age who have had colonic diverticulitis. METHODS: A retrospective review of all patients aged 50 years and under who were treated for colonic diverticulitis between 2012 and 2014 was performed...
March 2017: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/28611052/caspase-8-controls-the-secretion-of-inflammatory-lysyl-trna-synthetase-in-exosomes-from-cancer-cells
#7
Sang Bum Kim, Hye Rim Kim, Min Chul Park, Seongmin Cho, Peter C Goughnour, Daeyoung Han, Ina Yoon, YounHa Kim, Taehee Kang, Eunjoo Song, Pilhan Kim, Hyosun Choi, Ji Young Mun, Chihong Song, Sangmin Lee, Hyun Suk Jung, Sunghoon Kim
Aminoacyl-tRNA synthetases (ARSs), enzymes that normally control protein synthesis, can be secreted and have different activities in the extracellular space, but the mechanism of their secretion is not understood. This study describes the secretion route of the ARS lysyl-tRNA synthetase (KRS) and how this process is regulated by caspase activity, which has been implicated in the unconventional secretion of other proteins. We show that KRS is secreted from colorectal carcinoma cells within the lumen of exosomes that can trigger an inflammatory response...
June 13, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28600700/co-occurrence-of-lynch-syndrome-and-juvenile-polyposis-syndrome-confirmed-by-multigene-panel-testing
#8
Rachel Silva-Smith, Daniel A Sussman
Through germline multigene panel testing, we discovered the co-occurrence of Lynch syndrome due to a PMS2 mutation and juvenile polyposis syndrome due to a BMPR1A mutation in a young man with synchronous bladder and colorectal cancers and a family history of colorectal polyps. To our knowledge, this is the first report of an individual having these two hereditary colorectal cancer syndromes. This discovery highlights the benefit of multigene testing over traditional stepwise genetic testing, particularly when a clinical presentation suggests more than one underlying genetic cause...
June 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28600072/colorectal-cancer-screening-recommendations-for-physicians-and-patients-from-the-u-s-multi-society-task-force-on-colorectal-cancer
#9
Douglas K Rex, C Richard Boland, Jason A Dominitz, Francis M Giardiello, David A Johnson, Tonya Kaltenbach, Theodore R Levin, David Lieberman, Douglas J Robertson
This document updates the colorectal cancer (CRC) screening recommendations of the U.S. Multi-Society Task Force of Colorectal Cancer (MSTF), which represents the American College of Gastroenterology, the American Gastroenterological Association, and The American Society for Gastrointestinal Endoscopy. CRC screening tests are ranked in 3 tiers based on performance features, costs, and practical considerations. The first-tier tests are colonoscopy every 10 years and annual fecal immunochemical test (FIT). Colonoscopy and FIT are recommended as the cornerstones of screening regardless of how screening is offered...
June 2, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28599714/effects-of-moderate-alcohol-consumption-on-gene-expression-related-to-colonic-inflammation-and-antioxidant-enzymes-in-rats
#10
DawnKylee S Klarich, Jerrold Penprase, Patricia Cintora, Octavio Medrano, Danielle Erwin, Susan M Brasser, Mee Young Hong
Excessive alcohol consumption is a risk factor associated with colorectal cancer; however, some studies have reported that moderate alcohol consumption may not contribute additional risk for developing colorectal cancer while others suggest that moderate alcohol consumption provides a protective effect that reduces colorectal cancer risk. The purpose of this study was to determine the effects of moderate voluntary alcohol (20% ethanol) intake on alternate days for 3 months in outbred Wistar rats on risk factors associated with colorectal cancer development...
June 2017: Alcohol
https://www.readbyqxmd.com/read/28599468/clinical-significance-of-coagulation-factors-in-operable-colorectal-cancer
#11
Suee Lee, Seok Jae Huh, Sung Yong Oh, Myeong Seok Koh, Sung-Hyun Kim, Ji Hyun Lee, Jin Young Han, Hong Jo Choi, Su Jin Kim, Hyo-Jin Kim
Abnormal hemostasis in cancer patients has prev iously been studied. The primary objective of the present study was to evaluate the association between preoperative hemostasis markers and clinicopathological parameters, and to identify a hemostasis marker affecting survival in patients following curative resection for colorectal cancer. A total of 170 patients who underwent curative surgery for colorectal carcinoma were evaluated. Preoperative coagulation tests included platelet, prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen, D-dimer and fibrinogen degradation product (FDP)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28598820/role-of-loxl2-in-the-epithelial-mesenchymal-transition-and-colorectal-cancer-metastasis
#12
Pil-Gu Park, Su Ji Jo, Min Jung Kim, Hyun Jeong Kim, Ji Hae Lee, Cheol Keun Park, Hyunki Kim, Kang Young Lee, Hoguen Kim, Jeon Han Park, Seung Myung Dong, Jae Myun Lee
Colorectal cancer (CRC) is one of the most dangerous types of malignant tumors, and cancer metastasis is a major factor in the failure of CRC therapy. Recently, LOXL2 (lysyl oxidase-like 2) has been shown to represent a regulator of epithelial-mesenchymal transition (EMT) in different cancer types. However, LOXL2 has not been reported to be involved in CRC metastasis. In this study, we demonstrated that LOXL2 expression is strongly correlated with the rate of CRC metastasis, it participates in the regulation of EMT-related molecule expression in CRC cells in vitro, and it is involved in migratory potential alterations...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28597039/clinical-significance-of-systemic-chemotherapy-after-curative-resection-of-metachronous-pulmonary-metastases-from-colorectal-cancer
#13
Sungwoo Park, Byung Woog Kang, Soo Jung Lee, Shinkyo Yoon, Yee Soo Chae, Jong Gwang Kim, Kyung Hee Lee, Sung Ae Koh, Hong Suk Song, Keon Uk Park, Jin Young Kim, Mi Hwa Heo, Hun Mo Ryoo, Yoon Young Cho, Jungmin Jo, Jung Lim Lee, Sun Ah Lee
PURPOSE: The use of systemic chemotherapy after resection remains controversial in patients with resectable metachronous pulmonary metastases from colorectal cancer (CRC). This retrospective study compared systemic chemotherapy with observation alone after resection of pulmonary metastases from CRC. METHODS: Between 2001 and 2015, 91 patients with metachronous pulmonary metastases underwent curative surgical resection at five centers. Patients with stage IV at diagnosis were excluded...
June 8, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28596788/factors-requiring-adjustment-in-the-interpretation-of-serum-carcinoembryonic-antigen-a-cross-sectional-study-of-18-131-healthy-nonsmokers
#14
Hae Yeon Kang, Eun Kyung Choe, Kyu Joo Park, Young Lee
Serum carcinoembryonic antigen (CEA) is a well-known tumor marker for colorectal adenocarcinoma. However, CEA levels can be influenced by various nonmalignant conditions. A retrospective, cross-sectional study was performed including 18,131 healthy nonsmokers who underwent health check-ups with evaluation of the serum CEA level. In the training set, multivariate analysis revealed that the log-transformed CEA level had positive relationships with age (regression coefficient (r) = 0.005, P < 0.001), white blood cell (WBC) count (r = 0...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28580347/laparoscopic-surgery-for-colorectal-cancer-in-patients-over-80-years-of-age-the-morbidity-outcomes
#15
Sang Woo Lim, Young Jin Kim, Hyeong Rok Kim
PURPOSE: The aim of this study was to compare the outcomes between patients under 60 years of age and older patients over 80 years of age who underwent laparoscopic colorectal surgery with colorectal cancer. METHODS: A retrospective analysis of 519 colorectal patients who underwent laparoscopic colorectal surgery for colorectal adenocarcinoma between January 2007 and December 2012 was collected and categorized into 2 groups of patients, those under 60 years of age (n = 404) and those over 80 years of age (n = 115)...
June 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28571778/long-term-outcomes-in-ypt0-rectal-cancers-an-international-multi-centric-investigation-on-behalf-of-italian-society-of-surgical-oncology-young-board-ysico
#16
L Lorenzon, D Parini, D Rega, A Mellano, V Vigorita, A Biondi, R Jaminez-Rosellon, M Scheiterle, I Giannini, G Gallo, G Marino, L Turati, P Marsanic, L De Franco, L Marano, R De Luca
AIM: To investigate the outcome and pattern of survivals of rectal cancer patients presenting a complete or nearly complete tumor response after neo-adjuvant treatment. METHODS: Young surgeons <40 years old affiliated to the Italian Society of Surgical Oncology (YSICO) from 13 referral centers for colorectal cancer treatment, were invited to participate a retrospective study. Records from patients treated from 2005 to 2015 with a pathological diagnosis of ypT0/ypTis were retrieved and pooled in a common data-base for statistical purposes...
May 19, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28570580/ct-volumetric-measurement-of-colorectal-cancer-helps-predict-tumor-staging-and-prognosis
#17
Jin Young Park, Se Hyung Kim, Sang Min Lee, Jeong Sub Lee, Joon Koo Han
PURPOSE: To evaluate feasibility of CT colonography (CTC) volumetry of colorectal cancer (CRC) and its correlation with disease stage and patients' survival. MATERIALS AND METHODS: CTC volumetry was performed for 126 patients who underwent preoperative CTC. Reproducibility of tumor volume (Tvol) between two readers was assessed. One-way ANOVA and ROC analysis evaluated correlation between Tvol and pTNM staging. ROC analysis compared diagnostic performance to predict pTNM staging between Tvol and radiologist...
2017: PloS One
https://www.readbyqxmd.com/read/28555630/colorectal-cancer-screening-recommendations-for-physicians-and-patients-from-the-u-s-multi-society-task-force-on-colorectal-cancer
#18
Douglas K Rex, C Richard Boland, Jason A Dominitz, Francis M Giardiello, David A Johnson, Tonya Kaltenbach, Theodore R Levin, David Lieberman, Douglas J Robertson
This document updates the colorectal cancer (CRC) screening recommendations of the U.S. Multi-Society Task Force of Colorectal Cancer (MSTF), which represents the American College of Gastroenterology, the American Gastroenterological Association, and The American Society for Gastrointestinal Endoscopy. CRC screening tests are ranked in 3 tiers based on performance features, costs, and practical considerations. The first-tier tests are colonoscopy every 10 years and annual fecal immunochemical test (FIT). Colonoscopy and FIT are recommended as the cornerstones of screening regardless of how screening is offered...
June 6, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28555064/induction-of-p53-independent-apoptosis-and-g1-cell-cycle-arrest-by-fucoidan-in-hct116-human-colorectal-carcinoma-cells
#19
Hye Young Park, Shin-Hyung Park, Jin-Woo Jeong, Dahye Yoon, Min Ho Han, Dae-Sung Lee, Grace Choi, Mi-Jin Yim, Jeong Min Lee, Do-Hyung Kim, Gi-Young Kim, Il-Whan Choi, Suhkmann Kim, Heui-Soo Kim, Hee-Jae Cha, Yung Hyun Choi
It is well known that fucoidan, a natural sulfated polysaccharide present in various brown algae, mediates anticancer effects through the induction of cell cycle arrest and apoptosis. Nevertheless, the role of tumor suppressor p53 in the mechanism action of fucoidan remains unclear. Here, we investigated the anticancer effect of fucoidan on two p53 isogenic HCT116 (p53+/+ and p53-/-) cell lines. Our results showed that inhibition of cell viability, induction of apoptosis and DNA damage by treatment with fucoidan were similar in two cell lines...
May 30, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28550647/genetic-variation-in-the-adipoq-gene-adiponectin-concentrations-and-risk-of-colorectal-cancer-a-mendelian-randomization-analysis-using-data-from-three-large-cohort-studies
#20
Katharina Nimptsch, Mingyang Song, Krasimira Aleksandrova, Michail Katsoulis, Heinz Freisling, Mazda Jenab, Marc J Gunter, Konstantinos K Tsilidis, Elisabete Weiderpass, H Bas Bueno-De-Mesquita, Dawn Q Chong, Majken K Jensen, Chunsen Wu, Kim Overvad, Tilman Kühn, Myrto Barrdahl, Olle Melander, Karin Jirström, Petra H Peeters, Sabina Sieri, Salvatore Panico, Amanda J Cross, Elio Riboli, Bethany Van Guelpen, Robin Myte, José María Huerta, Miguel Rodriguez-Barranco, José Ramón Quirós, Miren Dorronsoro, Anne Tjønneland, Anja Olsen, Ruth Travis, Marie-Christine Boutron-Ruault, Franck Carbonnel, Gianluca Severi, Catalina Bonet, Domenico Palli, Jürgen Janke, Young-Ae Lee, Heiner Boeing, Edward L Giovannucci, Shuji Ogino, Charles S Fuchs, Eric Rimm, Kana Wu, Andrew T Chan, Tobias Pischon
Higher levels of circulating adiponectin have been related to lower risk of colorectal cancer in several prospective cohort studies, but it remains unclear whether this association may be causal. We aimed to improve causal inference in a Mendelian Randomization meta-analysis using nested case-control studies of the European Prospective Investigation into Cancer and Nutrition (EPIC, 623 cases, 623 matched controls), the Health Professionals Follow-up Study (HPFS, 231 cases, 230 controls) and the Nurses' Health Study (NHS, 399 cases, 774 controls) with available data on pre-diagnostic adiponectin concentrations and selected single nucleotide polymorphisms in the ADIPOQ gene...
May 26, 2017: European Journal of Epidemiology
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