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https://www.readbyqxmd.com/read/29676343/histopathological-report-of-colorectal-carcinoma-resections-a-5-year-audit-in-lagos
#1
Kabir Bolarinwa Badmos, Olorunda Rotimi, Abdulrazzaq Oluwagbemiga Lawal, Adedapo O Osinowo, Mohammed Y Habeebu, Fatimah Biade Abdulkareem
Background: Complete and accurate pathology reporting of colorectal carcinoma (CRC) resection specimen is critical to clinical management of individual patients. The study aims to audit colorectal cancer histopathology reporting in Lagos between 2011 and 2015 before the adoption of the Society for Gastroenterology and Hepatology in Nigeria pro forma in 2016. Materials and Methods: All resected CRC cases were identified from the Histopathology record of our Department and that of a private Laboratory in Lagos over a 5-year from 2011 to 2015...
January 2018: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29675465/elimination-of-established-tumors-with-nanodisc-based-combination-chemoimmunotherapy
#2
Rui Kuai, Wenmin Yuan, Sejin Son, Jutaek Nam, Yao Xu, Yuchen Fan, Anna Schwendeman, James J Moon
Although immune checkpoint blockade has shown initial success for various cancers, only a small subset of patients benefits from this therapy. Some chemotherapeutic drugs have been reported to induce antitumor T cell responses, prompting a number of clinical trials on combination chemoimmunotherapy. However, how to achieve potent immune activation with traditional chemotherapeutics in a manner that is safe, effective, and compatible with immunotherapy remains unclear. We show that high-density lipoprotein-mimicking nanodiscs loaded with doxorubicin (DOX), a widely used chemotherapeutic agent, can potentiate immune checkpoint blockade in murine tumor models...
April 2018: Science Advances
https://www.readbyqxmd.com/read/29675107/reassessing-the-potential-of-myb-targeted-anti-cancer-therapy
#3
REVIEW
Xiaofeng Liu, Yunxiao Xu, Liping Han, Yan Yi
Transcription factor MYB is essential for the tumorigenesis of multiple cancers, especially leukemia, breast cancer, colon cancer, adenoid cystic carcinoma and brain cancer. Thus, MYB has been regarded as an attractive target for tumor therapy. However, pioneer studies of antisense oligodeoxynucleotides against MYB, which were launched three decades ago in leukemia therapy, were discontinued because of their unsatisfactory clinical outcomes. In recent years, the roles of MYB in tumor transformation have become increasingly clear...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29673421/long-noncoding-rna-linc01296-harbors-mir-21a-to-regulate-colon-carcinoma-proliferation-and-invasion
#4
Kecheng Wang, Meng Zhang, Cong Wang, Xiaofei Ning
Increasing evidences have demonstrated that aberrant expressions of long non-coding RNAs (lncRNAs) are closely correlated to various malignancies, as well as colon carcinoma (CC). The aim of this study was to investigate the role of lncRNA long intergenic noncoding RNA 001296 (LINC01296) in tumorigenesis of CC. The result of the quantitative real-time polymerase chain reaction (qRT-PCR) demonstrated that LINC01296 was upregulated in CC cancerous tissues and cell lines compared to adjacent normal tissue and normal liver cell lines...
April 19, 2018: Oncology Research
https://www.readbyqxmd.com/read/29672814/-long-term-survival-of-patients-with-colon-and-rectum-carcinomas-is-there-a-difference-between-cancer-centers-and-non-certified-hospitals
#5
Vinzenz Völkel, Teresa Draeger, Michael Gerken, Alois Fürst, Monika Klinkhammer-Schalke
AIM OF THE STUDY: Hospitals specializing in the treatment of colorectal carcinoma with high quality standards can apply for certification as colorectal cancer centers. The aim of this study was to clarify if there is a substantial difference between certified and non-certified hospitals in terms of long-term survival of patients. METHODS: This is a population-based retrospective cohort study using the data of a clinical cancer registry (Tumorzentrum Regensburg) which covers a southern German region of approximately 1...
April 19, 2018: Das Gesundheitswesen
https://www.readbyqxmd.com/read/29667709/the-outlet-patch-gastric-heterotopia-of-the-colo-rectum-and-anus
#6
Abul Ala Syed Rifat Mannan, Michael Vieth, Armen Khararjian, Binny Khandakar, Dora Lam-Himlin, David Heydt, Feriyl Bhaijee, Henry J Venbrux, Kathleen Byrnes, Lysandra Voltaggio, Norman Barker, Songyang Yuan, Elizabeth Montgomery
AIMS: Gastric heterotopia (GH) has been described throughout the gastrointestinal tract. However, the colorectal region is an extremely rare location for it. We describe the clinicopathologic features of GH of the colon, rectum, and anus. METHODS AND RESULTS: We identified 33 cases in 20 males and 13 females (median age 54 years; range, 4 months to 73 years). Sites included the rectum (N=26), anus (N=4), ileocecal junction (N=1), ascending colon (N=1) and descending colon (N=1)...
April 18, 2018: Histopathology
https://www.readbyqxmd.com/read/29667008/eco-friendly-synthesis-in-vitro-anti-proliferative-evaluation-and-3d-qsar-analysis-of-a-novel-series-of-monocationic-2-aryl-heteroaryl-substituted-6-2-imidazolinyl-benzothiazole-mesylates
#7
Livio Racané, Lucija Ptiček, Mirela Sedić, Petra Grbčić, Sandra Kraljević Pavelić, Branimir Bertoša, Irena Sović, Grace Karminski-Zamola
Herein, we describe the synthesis of twenty-one novel water-soluble monocationic 2-aryl/heteroaryl-substituted 6-(2-imidazolinyl)benzothiazole mesylates 3a-3u and present the results of their anti-proliferative assays. Efficient syntheses were achieved by three complementary simple two-step synthetic protocols based on the condensation reaction of aryl/heteroaryl carbaldehydes or carboxylic acid. We developed an eco-friendly synthetic protocol using glycerol as green solvent, particularly appropriate for the condensation of thermally and acid-sensitive heterocycles such as furan, benzofuran, pyrrole, and indole...
April 17, 2018: Molecular Diversity
https://www.readbyqxmd.com/read/29663854/cyclin-dependent-kinase-1-targeting-improves-sensitivity-to-radiation-in-braf-v600e-colorectal-carcinoma-cells
#8
Girolamo Spagnoletti, Valeria Li Bergolis, Annamaria Piscazzi, Francesca Giannelli, Valentina Condelli, Lorenza Sisinni, Giuseppe Bove, Giovanni Storto, Matteo Landriscina
OBJECTIVES: Preoperative chemoradiation is currently the standard of care in locally advanced rectal carcinoma, even though a subset of rectal tumors does not achieve major clinically meaningful responses upon neoadjuvant chemoradiation. At present, no molecular biomarkers are available to predict response to neoadjuvant chemoradiation and select resistant tumors willing more intense therapeutic strategies. Thus, BRAF mutational status was investigated for its role in favoring resistance to radiation in colorectal carcinoma cell lines and cyclin-dependent kinase 1 as a target to improve radiosensitivity in BRAF V600E colorectal tumor cells...
April 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29663116/indolent-nodal-relapse-of-colon-carcinoma-with-associated-tumor-thrombus-invading-the-superior-mesenteric-vein
#9
Megan Greally, Keith Pilson, Anna Linehan, Conor O'Keane, Conor J Shields, John B Conneely, John A McCaffrey
No abstract text is available yet for this article.
April 17, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29662645/a-novel-herbal-formula-sge-induces-endoplasmic-reticulum-stress-mediated-cancer-cell-death-and-alleviates-cachexia-symptoms-induced-by-colon-26-adenocarcinoma
#10
Aeyung Kim, Minju Im, Jin Yeul Ma
Cachexia in cancer patients, characterized by marked involuntary weight loss and impaired physical function, is associated with a poor prognosis in response to conventional treatment and with an increase in cancer-related mortality. Prevention of skeletal muscle loss under cancer-induced cachexia via inhibition of pro-cachectic factors, as well as a reduction in tumor mass, has been considered reasonable pharmacological and nutritional interventions to treat cancer patients. In this study, we constructed a novel herbal formula, SGE, which contains Ginseng Radix alba, Atractylodis Rhizoma alba , and Hoelen , examined its anti-cancer and anti-cachexia efficacies...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29661177/loss-of-zg16-is-associated-with-molecular-and-clinicopathological-phenotypes-of-colorectal-cancer
#11
Hui Meng, Wencai Li, Lisa A Boardman, Liang Wang
BACKGROUND: Zymogen granule protein 16 (ZG16) is one of the most significantly down-regulated genes in colorectal cancer (CRC) tissues. This study aimed to further evaluate its expression changes and investigate its association with molecular and clinicopathological characteristics of CRC. METHODS: We applied quantitative RT-PCR to determine expression difference between tumor and matched normal tissues from 23 CRC patients. To further validate the down-regulation in tumor tissues, we performed immunohistochemistry (IHC) analysis in 40 paraffin-embedded normal-tumor pairs and 22 colon tissues with a variety of diseases...
April 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29661174/diabetes-mellitus-and-the-risk-of-gastrointestinal-cancer-in-women-compared-with-men-a-meta-analysis-of-cohort-studies
#12
Hong-Juan Fang, Shao-Bo Shan, Yu-Hao Zhou, Li-Yong Zhong
BACKGROUND: The increasing epidemic proportions of diabetes mellitus (DM) are a major cause of premature illness and death. However, whether DM confers the same excess risk of gastrointestinal cancer for women as it does for men remains controversial. The purpose of this study was to estimate the relation between DM and gastrointestinal cancer in women compared with men after accounting for other major risk factors based on cohort studies. METHODS: We performed a meta-analysis of cohort studies published through May 2017 from PubMed, Embase, and the Cochrane Library...
April 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29660689/quinonoid-compounds-via-reactions-of-lawsone-and-2-aminonaphthoquinone-with-%C3%AE-bromonitroalkenes-and-nitroallylic-acetates-structural-diversity-by-c-ring-modification-and-cytotoxic-evaluation-against-cancer-cells
#13
Thekke V Baiju, Renata G Almeida, Sudheesh T Sivanandan, Carlos A de Simone, Lucas M Brito, Bruno C Cavalcanti, Claudia Pessoa, Irishi N N Namboothiri, Eufrânio N da Silva Júnior
Morita-Baylis-Hillman acetates and α-bromonitroalkenes have been employed in cascade reactions with lawsone and 2-aminonaphthoquinone for the one-pot synthesis of heterocycle fused quinonoid compounds. The reactions reported here utilized the 1,3-binucleophilic potential of hydroxy- and aminonaphthoquinones and the 1,2/1,3-bielectrophilic potential of bromonitroalkenes and Morita-Baylis-Hillman acetates for the synthesis of pyrrole and furan fused naphthoquinones. The synthesized compounds were evaluated against HCT-116 (human colon carcinoma cells), PC3 (human prostate cancer cells), HL-60 (human promyelocytic leukemia cells), SF295 (human glioblastoma cells) and NCI-H460 (human lung cancer cells) and exhibited antitumor activity with IC50 values as low as < 2 μM...
April 5, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29660647/development-of-an-adaptive-electroporation-system-for-intratumoral-plasmid-dna-delivery
#14
Douglas W Brown, Arya J Bahrami, David A Canton, Anandaroop Mukhopadhyay, Jean S Campbell, Robert H Pierce, Richard J Connolly
Intratumoral electroporation of plasmid DNA encoding the proinflammatory cytokine interleukin 12 promotes innate and adaptive immune responses correlating with anti-tumor effects. Clinical electroporation conditions are fixed parameters optimized in preclinical tumors, which consist of cells implanted into skin. These conditions have little translatability to clinically relevant tumors, as implanted models cannot capture the heterogeneity encountered in genetically engineered mouse models or clinical tumors...
April 9, 2018: Bioelectrochemistry
https://www.readbyqxmd.com/read/29660463/liposomal-cpg-odn-an-in-vitro-and-in-vivo-study-on-macrophage-subtypes-responses-biodistribution-and-subsequent-therapeutic-efficacy-in-mice-models-of-cancers
#15
Sara Nikoofal-Sahlabadi, Maryam Matbou Riahi, Kayvan Sadri, Ali Badiee, Amin Reza Nikpoor, Mahmoud Reza Jaafari
CpG oligodeoxynucleotides (CpG-ODN), a common immune stimulator and vaccine adjuvant, was reported to switch Tumor Associated Macrophages (TAMs) from M2 to M1 phenotype inducing anti-tumor responses. Liposomes are of the successfully applied carriers for CpG-ODN. The aim of present study was design and preparation of a liposomal formulation containing phosphodiester CpG-ODN, evaluation of its effect on macrophages responses, and subsequent antitumor responses in mice. Liposomal formulations containing phosphodiester CpG-ODN or non-CpG-ODN were prepared and characterized...
April 13, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29660403/ros-modifiers-and-nox4-affect-the-expression-of-the-survivin-associated-radio-adaptive-response
#16
Jeffrey S Murley, Jack L Arbiser, Ralph R Weichselbaum, David J Grdina
The survivin-associated radio-adaptive response can be induced following exposure to ionizing radiation in the dose range from 5 to 100 mGy, and its magnitude of expression is dependent upon the TP53 mutational status of cells and ROS signaling. The purpose of the study was to investigate the potential role of ROS in the development of the survivin-associated adaptive response. Utilizing human colon carcinoma HCT116 TP53 wild type (WT) and HCT116 isogenic TP53 null mutant (Mut) cell cultures, the roles of inter- and intracellular ROS signaling on expression of the adaptive response as evidenced by changes in intracellular translocation of survivin measured by ELISA, and cell survival determined by a standard colony forming assay were investigated using ROS modifying agents that include emodin, N-acetyl-l-cysteine (NAC), fulvene-5, honokiol, metformin and rotenone...
April 13, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29658575/differences-between-carcinoma-of-the-cecum-and-ascending-colon-evidence-based-on-clinical-and-embryological-data
#17
Xin Xie, Zhangjian Zhou, Yongchun Song, Wei Wang, Chengxue Dang, Hao Zhang
Developing rapidly from the cecal diverticulum in a 5-week-old embryo, the cecum, which is developed from the caudal limb of the midgut loop, is different from the ascending colon. The aim of this study was to analyze the different clinicopathological and biological characteristics of patients with carcinoma of the cecum and ascending colon. We accessed data for 59,035 patients with adenocarcinomas of the cecum and ascending colon from the Surveillance, Epidemiology and End Results database to explore the potential associations between the clinicopathological characteristics and overall survival...
April 12, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29658163/a-novel-oncolytic-herpes-capable-of-cell-specific-transcriptional-targeting-of-cd133%C3%A2-cancer-cells-induces-significant-tumor-regression
#18
Kaoru Terai, Danse Bi, Zhengian Liu, Emma Borrego-Diaz, Kyle Kimura, Zohreh Sanaat, Roya Dolatkhah, Mina Soleimani, Christopher Jones, Judith Larson, Allison Bright, Tuba Esfandyari, Faris Farassati
The topic of cancer stem cells is of significant importance due to its implications in our understanding of the tumor biology, as well as the development of novel cancer therapeutics. However, the question of whether targeting cancer stem cells can hamper the growth of tumors remains mainly unanswered due to the lack of specific agents for this purpose. In order to address this issue, we have developed the first mutated version of herpes simplex virus-1 (HSV-1) that is transcriptionally targeted against CD133+ cells...
April 15, 2018: Stem Cells
https://www.readbyqxmd.com/read/29658045/potential-of-borojoa-patinoi-cuatrecasas-water-extract-to-inhibit-nosocomial-antibiotic-resistant-bacteria-and-cancer-cell-proliferation-in-vitro
#19
Clemencia Chaves-López, Donatella Usai, Matthew Gavino Donadu, Annalisa Serio, Robert Tulio González-Mina, Maria Chiara Simeoni, Paola Molicotti, Stefania Zanetti, Antonio Pinna, Antonello Paparella
Borojó (Borojoa patinoi Cuatrec.) is a fruit used in Colombian traditional medicine with supposed antihypertensive, antitumoral, diuretic, healing, immunological, anti-inflammatory and aphrodisiac effects. To explore the relative merits in terms of biological activities of borojó aqueous extract (BAE), we investigated in vitro its antimicrobial activity on nosocomial pathogenic and multidrug resistant (MDR) strains of Pseudomonas aeruginosa (6), Staphylococcus aureus (1) and Candida species (6), as well as its cytotoxicity on human conjunctive Wong-Kilbourne derivative (WKD) cells and Caco-2 cells from heterogeneous human epithelial colorectal adenocarcinoma...
April 16, 2018: Food & Function
https://www.readbyqxmd.com/read/29657704/successful-treatment-of-three-synchronous-primary-malignant-tumours-reflection-on-surgical-pathological-and-oncological-aspects-and-decision-making
#20
Emese Irma Ágoston, Áron Somorácz, Lilla Madaras, Attila Zaránd, Gyöngyvér Szentmártoni, Zsuzsanna Orosz, Magdolna Dank, Zsolt Baranyai
We report a case of a patient with triple synchronous primary malignancies (breast, colon, kidney) which has not been previously reported in the literature. A 70-year-old woman was diagnosed with invasive ductal carcinoma of the left breast with axillary lymph node metastasis. During the staging period, renal cell carcinoma on the left kidney and mucinous adenocarcinoma in the proximal colon were found. Since the breast tumour demonstrated favourable biology, aromatase inhibitor therapy had been started and simultaneous right colectomy and left nephrectomy was performed...
April 2018: Journal of Surgical Case Reports
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