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https://www.readbyqxmd.com/read/28823064/preoperative-hypoalbuminemia-is-an-independent-risk-factor-for-increased-high-grade-morbidity-after-elective-rectal-cancer-resection
#1
J Hardt, L Pilz, J Magdeburg, P Kienle, S Post, R Magdeburg
PURPOSE: This study investigated the association of preoperative hypoalbuminemia and postoperative complications after elective resection for rectal cancer. METHODS: From September 2009 to December 2014, all patients who underwent elective rectal resection for adenocarcinoma of the rectum were identified using a prospective colorectal cancer database. Hypoalbuminemia was defined as a serum albumin < 35 g/L. Characteristics and outcomes of hypoalbuminemic patients were compared to those of patients with normal albumin levels...
August 19, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28823057/fusobacterium-nucleatum-as-a-prognostic-marker-of-colorectal-cancer-in-a-japanese-population
#2
Yuko Yamaoka, Yutaka Suehiro, Shinichi Hashimoto, Tomomi Hoshida, Michiyo Fujimoto, Michiya Watanabe, Daiki Imanaga, Kouhei Sakai, Toshihiko Matsumoto, Mitsuaki Nishioka, Taro Takami, Nobuaki Suzuki, Shoichi Hazama, Hiroaki Nagano, Isao Sakaida, Takahiro Yamasaki
BACKGROUND: Accumulating evidence shows an overabundance of Fusobacterium nucleatum in colorectal tumor tissues. However, the correlation between the absolute copy number of F. nucleatum in colorectal cancer tissues and colorectal cancer progression is unclear from previous reports. Therefore, we performed a study to compare the abundance of F. nucleatum in colorectal tissues with clinicopathologic and molecular features of colorectal cancer. METHODS: We collected 100 colorectal cancer tissues and 72 matched normal-appearing mucosal tissues...
August 19, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28822996/examining-bias-in-studies-of-statin-treatment-and-survival-in-patients-with-cancer
#3
Louise Emilsson, Xabier García-Albéniz, Roger W Logan, Ellen C Caniglia, Mette Kalager, Miguel A Hernán
Importance: Patients with cancer who use statins appear to have a substantially better survival than nonusers in observational studies. However, this inverse association between statin use and mortality may be due to selection bias and immortal-time bias. Objective: To emulate a randomized trial of statin therapy initiation that is free of selection bias and immortal-time bias. Design, Setting, and Participants: We used observational data on 17 372 patients with cancer from the Surveillance, Epidemiology, and End Results (SEER)-Medicare database (2007-2009) with complete follow-up until 2011...
August 20, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28822989/cellular-prion-protein-enhances-drug-resistance-of-colorectal-cancer-cells-via-regulation-of-a-survival-signal-pathway
#4
Jun Hee Lee, Chul Won Yun, Sang Hun Lee
Anti-cancer drug resistance is a major problem in colorectal cancer (CRC) research. Although several studies have revealed the mechanism of cancer drug resistance, molecular targets for chemotherapeutic combinations remain elusive. To address this issue, we focused on the expression of cellular prion protein (PrP(C)) in 5-FU-resistant CRC cells. In 5-FU-resistant CRC cells, PrP(C) expression is significantly increased, compared with that in normal CRC cells. In the presence of 5-FU, PrP(C) increased CRC cell survival and proliferation by maintaining the activation of the PI3K-Akt signaling pathway and the expression of cell cycle-associated proteins, including cyclin E, CDK2, cyclin D1, and CDK4...
August 21, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28822617/microbiota-dysbiosis-in-select-human-cancers-evidence-of-association-and-causality
#5
REVIEW
Jie Chen, Jada C Domingue, Cynthia L Sears
The human microbiota is a complex ecosystem of diverse microorganisms consisting of bacteria, viruses, and fungi residing predominantly in epidermal and mucosal habitats across the body, such as skin, oral cavity, lung, intestine and vagina. These symbiotic communities in health, or dysbiotic communities in disease, display tremendous interaction with the local environment and systemic responses, playing a critical role in the host's nutrition, immunity, metabolism and diseases including cancers. While the profiling of normal microbiota in healthy populations is useful and necessary, more recent studies have focused on the microbiota associated with disease, particularly cancers...
August 16, 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28822603/the-impact-of-hospital-volume-on-perioperative-outcomes-of-rectal-cancer
#6
F H W Jonker, J A W Hagemans, C Verhoef, J W A Burger
BACKGROUND: The purpose of this study was to investigate the impact of hospital volume on perioperative outcomes of clinical tumour stage (cT)1-3 and cT4 rectal cancer. METHODS: 16.162 patients operated for rectal cancer enrolled in the Dutch Surgical Colorectal Audit were included. Hospitals were divided into low (<20 cases/year), medium (21-50 cases/year) and high (>50 cases/year) volume for cT1-3 rectal cancer, and for cT4 rectal cancer into low (1-4 cases/year), medium (5-9 cases/year) and high (≥10 cases/year) volume...
July 29, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28822240/statin-use-and-venous-thromboembolism-in-cancer-a-large-active-comparator-propensity-score-matched-cohort-study
#7
Sherif M El-Refai, Esther P Black, Val R Adams, Jeffery C Talbert, Joshua D Brown
BACKGROUND: Statins have been shown to have a protective effect for venous thromboembolism (VTE) in the general population. This study sought to assess the association between statins and the risk for cancer-associated deep vein thrombosis (DVT) and pulmonary embolism (PE). METHODS: Patients with newly diagnosed cancer were followed for up to one year in a healthcare claims database (2010-2013). Three treatment groups included statin users, non-statin cholesterol lowering medication users, and an untreated group with pre-existing indications for statin therapy (hyperlipidemia, diabetes, or heart disease)...
August 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28822053/colorectal-cancer-patient-s-self-efficacy-for-managing-illness-related-problems-in-the-first-2%C3%A2-years-after-diagnosis-results-from-the-colorectal-well-being-crew-study
#8
Chloe Grimmett, Joanne Haviland, Jane Winter, Lynn Calman, Amy Din, Alison Richardson, Peter W F Smith, Claire Foster
PURPOSE: There is a growing emphasis on self-management of cancer aftercare. Little is known about patient's self-efficacy (confidence) to manage illness-related problems and how this changes over time. This paper describes the patterns of self-efficacy for managing illness-related problems amongst colorectal cancer patients in the 2 years following diagnosis. METHODS: In this prospective cohort study, questionnaires were administered at baseline (pre-surgery), 3, 9, 15 and 24 months to 872 colorectal cancer patients...
August 19, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28821976/dysbiosis-signature-of-mycobiota-in-colon-polyp-and-colorectal-cancer
#9
R Gao, C Kong, H Li, L Huang, X Qu, N Qin, H Qin
Microbiota refers to a colony of microorganisms, and they are found in all multicellular organisms. This colony plays a major role in both the physiology and disease of the organism it inhabits. Much attention has been paid to host-microbiota interactions, but there has been little investigation on its role in carcinogenesis. In this study, we characterized a fecal mycobiota, also known as fungal signature, for the first time with 131 subjects, comprising polyp and colorectal cancer (CRC) patients, as well as a healthy control population...
August 18, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28821938/depth-of-response-predicts-the-clinical-outcome-of-advanced-her2-positive-gastric-cancer-to-trastuzumab-based-first-line-chemotherapy
#10
Shigenori Kadowaki, Toshiki Masuishi, Tetsuya Eto, Yukiya Narita, Hiroya Taniguchi, Takashi Ura, Masashi Ando, Masahiro Tajika, Yasumasa Niwa, Yasushi Yatabe, Kei Muro
PURPOSE: Accumulating evidence suggests that response-related parameters such as depth of response (DpR) might be associated with survival in colorectal cancer, which has not been shown in gastric cancer. This study aimed to evaluate whether DpR was associated with clinical outcomes in HER2-positive AGC patients treated with trastuzumab-based chemotherapy. METHODS: Fifty-seven HER2-positive AGC patients who were treated with trastuzumab in combination with fluoropyrimidines plus cisplatin therapy as first-line treatment were retrospectively enrolled...
August 18, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28821819/dietary-factors-and-polymorphisms-in-vitamin-d-metabolism-genes-the-risk-and-prognosis-of-colorectal-cancer-in-northeast-china
#11
Chen Gong, Zhiping Long, Yanming Yu, Lin Zhu, Jingshen Tian, Shuo Li, Jing Li, Hongyuan Yu, Qiang Chi, Daxun Piao, Fan Wang, Yashuang Zhao, Binbin Cui
CYP24A1 and CYP27B1 are critical genes determining 1α,25(OH)2D3 concentration and impacting on carcinogenesis. A case-control study including 528 colorectal cancer (CRC) patients and 605 cancer-free controls and a follow-up study with 317 cases were conducted in northeast China. Genotypes were tested by TaqMan Genotyping Assays. Individuals carrying the GG genotype of CYP27B1 G > T (rs10877012) exhibited decreased CRC risk compared with those with the TT genotype (ORadjusted (ORadj) = 0.57, 95% Confidence Interval (CI) = 0...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821281/white-blood-cell-dna-methylation-and-risk-of-breast-cancer-in-the-prostate-lung-colorectal-and-ovarian-cancer-screening-trial-plco
#12
Susan R Sturgeon, J Richard Pilsner, Kathleen F Arcaro, Kaoru Ikuma, Haotian Wu, Soon-Mi Kim, Nayha Chopra-Tandon, Adam R Karpf, Regina G Ziegler, Catherine Schairer, Raji Balasubramanian, David A Reckhow
BACKGROUND: Several studies have suggested that global DNA methylation in circulating white blood cells (WBC) is associated with breast cancer risk. METHODS: To address conflicting results and concerns that the findings for WBC DNA methylation in some prior studies may reflect disease effects, we evaluated the relationship between global levels of WBC DNA methylation in white blood cells and breast cancer risk in a case-control study nested within the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial (PLCO) cohort...
August 18, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28821097/thiolated-pectin-doxorubicin-conjugates-synthesis-characterization-and-anticancer-activity-studies
#13
Kamonrak Cheewatanakornkool, Sathit Niratisai, Somkamol Manchun, Crispin R Dass, Pornsak Sriamornsak
In this paper, pectin was cross-linked by a coupling reaction with either thioglycolic acid or cystamine dihydrochloride to form thiolated pectins. The thiolated pectins were then coupled with doxorubicin (DOX) derivative to obtain thiolated pectin-DOX conjugates by two different methods, disulfide bond formation and disulfide bond exchange. The disulfide bond exchange method provided a simple, fast, and efficient approach for synthesis of thiolated pectin-DOX conjugates, compared to the disulfide bond formation...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820908/ribosomopathy-like-properties-of-murine-and-human-cancers
#14
Sucheta Kulkarni, James M Dolezal, Huabo Wang, Laura Jackson, Jie Lu, Brian P Frodey, Atinuke Dosunmu-Ogunbi, Youjun Li, Marc Fromherz, Audry Kang, Lucas Santana-Santos, Panayiotis V Benos, Edward V Prochownik
Ribosomopathies comprise a heterogeneous group of hematologic and developmental disorders, often characterized by bone marrow failure, skeletal and other developmental abnormalities and cancer predisposition. They are associated with mutations and/or haplo-insufficiencies of ribosomal proteins (RPs) and inefficient ribosomal RNA (rRNA) processing. The resulting ribosomal stress induces the canonical p19ARF/Mdm2/p53 tumor suppressor pathway leading to proliferative arrest and/or apoptosis. It has been proposed that this pathway is then inactivated during subsequent neoplastic evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28820784/impact-of-targeted-education-on-colorectal-cancer-screening-knowledge-and-psychosocial-attitudes-in-a-predominantly-hispanic-population
#15
Jennifer C Molokwu, Navkiran Shokar, Alok Dwivedi
Colorectal cancer remains a leading cause of cancer-related morbidity and mortality, with screening behavior found to be influenced by knowledge and other psychosocial attitudes. We recruited 784 participants 50 to 70 years of age. The intervention arm received a culturally sensitive, literacy-appropriate educational intervention by a promotora. Surveys were completed at baseline and 6 months post. Our intervention significantly increased knowledge at 6 months when compared with control (0.74 vs 0.18, P < ...
October 2017: Family & Community Health
https://www.readbyqxmd.com/read/28820751/importance-of-pcr-based-tumor-testing-in-the-evaluation-of-lynch-syndrome-associated-endometrial-cancer
#16
Amanda S Bruegl, Annessa Kernberg, Russell R Broaddus
Lynch syndrome (LS) is a hereditary cancer syndrome caused by a germline mutation in a DNA mismatch repair gene, usually MLH1, MSH2, MSH6, or PMS2. The most common cancers associated with LS are colorectal adenocarcinoma and endometrial carcinoma. Identification of women with LS-associated endometrial cancer is important, as these women and their affected siblings and children are at-risk of developing these same cancers. Germline testing of all endometrial cancer patients is not cost effective, and screening using young age of cancer diagnosis and/or presence of family history of syndrome-associated is underutilized and ineffective...
August 17, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28820641/identifying-communication-barriers-to-colorectal-cancer-screening-adherence-among-appalachian-kentuckians
#17
Audrey Smith Bachman, Elisia L Cohen, Tom Collins, Jennifer Hatcher, Richard Crosby, Robin C Vanderpool
Utilizing data from 40 in-depth interviews, this article identifies both barriers and facilitators to colorectal screening guideline adherence among Appalachian Kentucky adults recruited through a community-based research network. Key findings identify (a) varying levels of knowledge about screening guidelines, (b) reticence to engage in screening processes, and (c) nuanced communication with healthcare providers and family members regarding screening adherence. What participants knew about the screening process was often derived from personal stories or recalled stories from family members about their screening experiences...
August 18, 2017: Health Communication
https://www.readbyqxmd.com/read/28820635/effects-of-autologous-cytokine-induced-killer-cells-infusion-in-colorectal-cancer-patients-a-prospective-study
#18
Hao Peng, Meng Yao, Hongwei Fan, Liwei Song, Jinwen Sun, Zheng Zhou, Yunfeng Du, Keyu Lu, Tao Li, Aiguo Yin, Jianhua Xu, Shidong Wei
AIM: To evaluate the efficacy and safety of postoperative adjuvant immunotherapy with cytokine-induced killer (CIK) cells in combination with chemotherapy (CT) in colorectal cancer (CRC) patients. MATERIALS AND METHODS: A total of 46 patients were randomly assigned to either group 1 (control group) or group 2 (CIK group) using blocked randomization. Both groups received the FOLFOX4 (5-fluorouridine, leucovorin, and oxaliplatin) CT. In the CIK group, patients were given CIK cell infusion after FOLFOX4 CT...
August 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28820388/blockade-of-the-lrp16-pkr-nf-%C3%AE%C2%BAb-signaling-axis-sensitizes-colorectal-carcinoma-cells-to-dna-damaging-cytotoxic-therapy
#19
Xiaolei Li, Zhiqiang Wu, Xiaojing An, Qian Mei, Miaomiao Bai, Leena Hanski, Xiang Li, Tero Ahola, Weidong Han
Acquired therapeutic resistance by tumors is a substantial impediment to reducing the morbidity and mortality that are attributable to human malignancies. The mechanisms responsible for the dramatic shift between chemosensitivity and chemoresistance in colorectal carcinoma have not been defined. Here, we report that LRP16 selectively interacts and activates double-stranded RNA-dependent kinase (PKR), and also acts as scaffolds to assist the formation of a ternary complex of PKR and IKKβ, prolonging the polymers of ADP-ribose (PAR)-dependent nuclear factor kappa B (NF-κB) transactivation caused by DNA-damaging agents and confers acquired chemoresistance...
August 18, 2017: ELife
https://www.readbyqxmd.com/read/28820285/oligometastatic-cancer-stereotactic-ablative-radiotherapy-for-patients-affected-by-isolated-body-metastasis
#20
Andrea Lancia, Gianluca Ingrosso, Alessandra Carosi, Luana Di Murro, Emilia Giudice, Sara Cicchetti, Pasquale Morelli, Daniela di Cristino, Claudia Bruni, Alessandra Murgia, Alessandro Cancelli, Irene Turturici, Anjali Iadevaia, Elisabetta Ponti, Riccardo Santoni
BACKGROUND: To evaluate the outcome of patients affected by a single isolated body metastasis treated with stereotactic body radiotherapy (SBRT). MATERIAL AND METHODS: Seven-eight patients were treated with SBRT for isolated body metastasis. The most frequent primary tumor was prostate cancer (28.2%), followed by colorectal cancer (23.1%) and lung cancer (20.5%). Median age at diagnosis of oligometastatic disease was 70 years (range 47-88). Median Karnofsky Performance Status (KPS) was 90 (range 70-100)...
August 18, 2017: Acta Oncologica
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