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https://www.readbyqxmd.com/read/28817727/pilot-study-of-lithium-to-restore-intestinal-barrier-function-in-severe-graft-versus-host-disease
#1
Gideon Steinbach, David M Hockenbery, Gerwin Huls, Terry Furlong, David Myerson, Keith R Loeb, Jesse R Fann, Christina Castilla-Llorente, George B McDonald, Paul J Martin
Severe intestinal graft-vs-host disease (GVHD) after allogeneic hematopoietic cell transplantation (HCT) causes mucosal ulceration and induces innate and adaptive immune responses that amplify and perpetuate GVHD and the associated barrier dysfunction. Pharmacological agents to target mucosal barrier dysfunction in GVHD are needed. We hypothesized that induction of Wnt signaling by lithium, an inhibitor of glycogen synthase kinase (GSK3), would potentiate intestinal crypt proliferation and mucosal repair and that inhibition of GSK3 in inflammatory cells would attenuate the deregulated inflammatory response to mucosal injury...
2017: PloS One
https://www.readbyqxmd.com/read/28816939/correlations-of-icam-1-gene-polymorphisms-with-susceptibility-and-multidrug-resistance-in-colorectal-cancer-in-a-chinese-population
#2
Lu-Bing Liu, Tong Liu, Fu-Ze Xin
BACKGROUND: Colorectal cancer (CRC) is a malignant gastrointestinal tumor with a high mortality rate, including both colon and rectal cancer. In order to provide clinical guidance for the treatment of CRC, this study is conducted to investigate the correlations of intercellular adhesion molecule 1 (ICAM-1) gene polymorphisms with susceptibility and multidrug resistance (MDR) of colorectal cancer (CRC). METHODS: A total of 195 patients with CRC were selected as the observation group and 188 healthy people enrolled as the control group...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816286/-prognostic-value-of-chemotherapy-induced-neutropenia-in-metastatic-colon-cancer-patients-undergoing-first-line-chemotherapy-with-folfox
#3
Y Chen, Y R Wang, Y Shi, G H Dai
OBJECTIVE: To evaluate the prognostic value of chemotherapy-induced neutropenia (CIN) in metastatic colon cancer undergoing first-line chemotherapy with FOLFOX. METHODS: Data were collected from a retrospective survey of 158 consecutive metastatic colon cancer patients who had undergone FOLFOX chemotherapy. The clinicopathological characteristics and chemotherapy features of the patients were analyzed as potential prognostic factors. The patients were stratified by the decreased level of CIN to three groups: large decreased level (the number of neutrophil decreased more than 1...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816021/cd155-knockdown-promotes-apoptosis-via-akt-bcl-2-bax-in-colon-cancer-cells
#4
Qianqian Zheng, Biao Wang, Jian Gao, Na Xin, Wei Wang, Xiaowen Song, Yue Shao, Chenghai Zhao
CD155, one of the nectin-like molecule family members, is involved in cell adhesion and motility. CD155 is overexpressed in several human cancers, but its role in proliferation and apoptosis of colorectal cancer remains unclear. We found that CD155 was up-regulated in colorectal cancer tissues. CD155 knockdown via shRNA lentiviruses inhibited colon cancers cell migration and invasion, with a reduction in the expression of FAK, Src and MMP-2. CD155 down-regulation also suppressed colon cancer cell proliferation, accompanied by changing expressions of some molecules related to cell cycle...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28815144/a-clinical-decision-support-system-for-monitoring-post-colonoscopy-patient-follow-up-and-scheduling
#5
Roxanne Wadia, Mark Shifman, Forrest L Levin, Luis Marenco, Cynthia A Brandt, Kei-Hoi Cheung, Tamar Taddei, Michael Krauthammer
This paper describes a natural language processing (NLP)-based clinical decision support (CDS) system that is geared towards colon cancer care coordinators as the end users. The system is implemented using a metadata- driven Structured Query Language (SQL) function (discriminant function). For our pilot study, we have developed a training corpus consisting of 2,085 pathology reports from the VA Connecticut Health Care System (VACHS). We categorized reports as "actionable"- requiring close follow up, or "non-actionable"- requiring standard or no follow up...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814788/synthesis-of-saccharumoside-b-analogue-with-potential-of-antiproliferative-and-pro-apoptotic-activities
#6
Srinuvasarao Rayavarapu, Nagendra Sastry Yarla, Sunanda Kumari Kadiri, Anupam Bishayee, Siddaiah Vidavalur, Ramu Tadikonda, Mahaboob Basha, Vijaya Rao Pidugu, Kaladhar S V G K Dowluru, Dhananjaya Bhadrapura Lakappa, Mohammad A Kamal, Ghulam Md Ashraf, Vadim V Tarasov, Vladimir N Chubarev, Sergey G Klochkov, George E Barreto, Sergey O Bachurin, Gjumrakch Aliev
A new series of phenolic glycoside esters, saccharumoside-B and its analogs (9b-9n, 10) have been synthesized by the Koenigs-Knorr reaction. Antiproliferative activities of the compounds (9b-9n, 10) were evaluated on various cancer cell lines including, MCF-7 breast, HL-60 leukemia, MIA PaCa-2 pancreatic, DU145 prostate, HeLa cervical and CaCo-2 colon, as well as normal human MCF10A mammary epithelial and human peripheral blood mononuclear cells (PBMC) by MTT assay. Compounds (9b-9n, 10) exhibited considerable antiproliferative effects against cancer cells with IC50 range of 4...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814670/mtg16-is-a-tumor-suppressor-in-colitis-associated-carcinoma
#7
Elizabeth M McDonough, Caitlyn W Barrett, Bobak Parang, Mukul K Mittal, J Joshua Smith, Amber M Bradley, Yash A Choksi, Lori A Coburn, Sarah P Short, Joshua J Thompson, Baolin Zhang, Shenika V Poindexter, Melissa A Fischer, Xi Chen, Jiang Li, Frank L Revetta, Rishi Naik, M Kay Washington, Michael J Rosen, Scott W Hiebert, Keith T Wilson, Christopher S Williams
MTG16 is a member of the myeloid translocation gene (MTG) family of transcriptional corepressors. While MTGs were originally identified in chromosomal translocations in acute myeloid leukemia, recent studies have uncovered a role in intestinal biology. For example, Mtg16-/- mice have increased intestinal proliferation and are more sensitive to intestinal injury in colitis models. MTG16 is also underexpressed in patients with moderate/severe ulcerative colitis. Based on these findings, we postulated that MTG16 might protect against colitis-associated carcinogenesis...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814667/adrenergic-mediated-increases-in-inhba-drive-caf-phenotype-and-collagens
#8
Archana S Nagaraja, Robert L Dood, Guillermo Armaiz-Pena, Yu Kang, Sherry Y Wu, Julie K Allen, Nicholas B Jennings, Lingegowda S Mangala, Sunila Pradeep, Yasmin Lyons, Monika Haemmerle, Kshipra M Gharpure, Nouara C Sadaoui, Cristian Rodriguez-Aguayo, Cristina Ivan, Ying Wang, Keith Baggerly, Prahlad Ram, Gabriel Lopez-Berestein, Jinsong Liu, Samuel C Mok, Lorenzo Cohen, Susan K Lutgendorf, Steve W Cole, Anil K Sood
Adrenergic signaling is known to promote tumor growth and metastasis, but the effects on tumor stroma are not well understood. An unbiased bioinformatics approach analyzing tumor samples from patients with known biobehavioral profiles identified a prominent stromal signature associated with cancer-associated fibroblasts (CAFs) in those with a high biobehavioral risk profile (high Center for Epidemiologic Studies Depression Scale [CES-D] score and low social support). In several models of epithelial ovarian cancer, daily restraint stress resulted in significantly increased CAF activation and was abrogated by a nonspecific β-blocker...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814486/serum-ghrelin-is-associated-with-risk-of-colorectal-adenocarcinomas-in-the-atbc-study
#9
Gwen Murphy, Amanda J Cross, Sanford M Dawsey, Frank Z Stanczyk, Farin Kamangar, Stephanie J Weinstein, Philip R Taylor, Satu Männistö, Demetrius Albanes, Christian C Abnet, Neal D Freedman
BACKGROUND: Colorectal cancers are the third most common cancers in women and men in the USA. While dietary and lifestyle factors such as Western diet, physical inactivity and obesity have been linked to an increased risk of this malignancy, the mechanisms for these associations are unclear. GI hormones, including ghrelin, are involved in energy balance by mediating appetite and metabolism; however, the association between ghrelin and colorectal cancer has not been studied. METHODS: We conducted a case-control study nested within the all-male Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study of Finnish smokers (aged 50-69 years) to examine serum ghrelin concentration and colorectal cancer risk...
August 16, 2017: Gut
https://www.readbyqxmd.com/read/28814127/carbon-nanotubes-functionalized-with-folic-acid-attached-via-biomimetic-peptide-linker
#10
Justyna Fraczyk, Malgorzata Walczak, Lukasz Szymanski, Zbigniew Kolacinski, Henryk Wrzosek, Ireneusz Majsterek, Karolina Przybylowska-Sygut, Zbigniew J Kaminski
AIM: Anchoring folic acid (FA) with a biomimetic peptidic linker resistant to proteolytic degradation to act as a homing device on functionalized carbon nanotubes. MATERIALS & METHODS: Ethylenediamine was attached to oxidized multiwalled carbon nanotubes (MWNTs) using 4-(4,6-dimethoxy-[1,3,5]triazin-2-yl)-4-methylmorpholinium tetrafluoroborate. FA was coupled with 6-aminohexanoic acid and derivatives of β-alanine, affording four intermediates, which connected to the MWNTs via peptidic linkers of various lengths...
August 17, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28813777/quality-focus-march-is-colon-cancer-awareness-month
#11
Stephan D Schroeder
No abstract text is available yet for this article.
March 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813148/chitosan-coated-cinnamon-oregano-loaded-solid-lipid-nanoparticles-to-augment-5-fluorouracil-cytotoxicity-for-colorectal-cancer-extracts-standardization-nanoparticles-optimization-and-cytotoxicity-evaluation
#12
Kamel M Kamel, Islam A Khalil, Mostafa E Rateb, Hosieny Elgendy, Seham Elhawary
This study aimed to coat lipid-based-nanocarriers with chitosan to encapsulate nutraceuticals, minimize opsonization and facilitate passive-targeting. Phase-one was concerned with standardization according to WHO. Qualitative-analysis using LC-HRMS/MS investigated the active-constituents especially reported cytotoxic-agents. Cinnamaldehyde and rosmarinic acid was selected to be quantified using HPLC. Phase-two was aimed to encapsulate both extracts in solid lipid nanoparticles (core) and chitosan (shell) to gain the advantages of both materials properties...
August 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28812983/a-microfluidic-platform-for-modeling-metastatic-cancer-cell-matrix-invasion
#13
Laura Blaha, Chentian Zhang, Mario Cabodi, Joyce Y Wong
Invasion of the extracellular matrix is a critical step in the colonization of metastatic tumors. The invasion process is thought to be driven by both chemokine signaling and interactions between invading cancer cells and physical components of the metastatic niche, including endothelial cells that line capillary walls and serve as a barrier to both diffusion and invasion of the underlying tissue. Transwell chambers, a tool for generating artificial chemokine gradients to induce cell migration, have facilitated recent work to investigate the chemokine contributions to matrix invasion...
August 16, 2017: Biofabrication
https://www.readbyqxmd.com/read/28812930/increasing-colorectal-cancer-screening-at-an-urban-fqhc-using-ifobt-and-patient-navigation
#14
Richard L Martin, Madelaine Tully, Allison Kos, David Frazer, Amy Williamson, Amy Conlon, James J Enser, Noelle K LoConte
INTRODUCTION: Colorectal cancer is the second leading cause of cancer death in the United States. Black Americans suffer even higher incidence and death rates than the general population. Genetics and patient perceptions explain some of this difference, however, modifiable health care system factors such as lack of access to colon cancer screening also contribute. Partnering an academic health center with local community groups, we piloted a colorectal cancer screening program at a Federally Qualified Health Center (FQHC) serving predominately low socioeconomic status Black Americans...
September 2017: Health Promotion Practice
https://www.readbyqxmd.com/read/28812429/metastatic-colon-adenocarcinoma-has-a-significantly-elevated-expression-of-il-10-compared-to-primary-colon-adenocarcinoma-tumors
#15
Michelle H Townsend, Abigail M Felsted, Stephen R Piccolo, Richard A Robison, Kim L O'Neill
Classical anti-inflammatory cytokines are known to play a role in both cancer progression as well as cancer elimination. We evaluated the anti-inflammatory cytokines IL-10 and TGF-β in patients with colon adenocarcinoma and metastatic colon adenocarcinoma utilizing immunohistochemical assays to determine the expression of the cytokines between various malignant tissues. We found tissues stained with TGF-β showed no significant upregulation within malignant tumors when compared to normal tissue controls. We observed high levels of TGF-β presence in most tissues similar to GAPDH expression...
August 16, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28812246/dna-tetrahedron-delivery-enhances-doxorubicin-induced-apoptosis-of-ht-29-colon-cancer-cells
#16
Guiyu Zhang, Zhiyong Zhang, Junen Yang
As a nano-sized drug carrier with the advantage of modifiability and proper biocompatibility, DNA tetrahedron (DNA tetra) delivery is hopeful to enhance the inhibitory efficiency of nontargeted anticancer drugs. In this investigation, doxorubicin (Dox) was assembled to a folic acid-modified DNA tetra via click chemistry to prepare a targeted antitumor agent. Cellular uptake efficiency was measured via fluorescent imaging. Cytotoxicity, inhibition efficiency, and corresponding mechanism on colon cancer cell line HT-29 were evaluated by MTT assay, cell proliferation curve, western blot, and flow cytometry...
August 15, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28812198/laparoscopic-colectomy-reduces-complications-and-hospital-length-of-stay-in-colon-cancer-patients-with-liver-disease-and-ascites
#17
Kevin Y Pei, David T Asuzu, Kimberly A Davis
BACKGROUND: Ascites increases perioperative complications and risk of death, but is not an absolute contraindication for colectomy in patients with colon cancer. It remains unclear whether postoperative risks can be minimized using a laparoscopic versus open approach. METHODS: Data were retrospectively analyzed from 2152 patients with ascites who underwent laparoscopic or open partial colectomy with diagnosis of colon cancer from 2005 to 2013 using the American College of Surgeons National Surgical Quality Improvement Program database...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28812159/anatomical-and-embryological-perspectives-in-laparoscopic-complete-mesocoloic-excision-of-splenic-flexure-cancers
#18
Takeru Matsuda, Yasuo Sumi, Kimihiro Yamashita, Hiroshi Hasegawa, Masashi Yamamoto, Yoshiko Matsuda, Shingo Kanaji, Taro Oshikiri, Tetsu Nakamura, Satoshi Suzuki, Yoshihiro Kakeji
BACKGROUND: Laparoscopic complete mesocoloic excision (CME) with central vascular ligation for splenic flexure cancer is technically challenging because of its anatomical complexity. Although embryological and anatomical consideration should be helpful to perform CME in colorectal cancer surgery, such studies on the splenic flexure are lacking. METHODS: The splenic flexure is located embryologically between the terminal portion of the midgut and the beginning of the hindgut, and is supplied by the superior mesenteric and inferior mesenteric arteries...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28811968/il-32%C3%AE-induced-inflammation-constitutes-a-link-between-obesity-and-colon-cancer
#19
Victoria Catalán, Javier Gómez-Ambrosi, Amaia Rodríguez, Beatriz Ramírez, Victor A Ortega, José Luis Hernández-Lizoain, Jorge Baixauli, Sara Becerril, Fernando Rotellar, Víctor Valentí, Rafael Moncada, Camilo Silva, Javier Salvador, Gema Frühbeck
Growing evidence indicates that adipose tissue inflammation is an important mechanism whereby obesity promotes cancer risk and progression. Since IL-32 is an important inflammatory and remodeling factor in obesity and is also related to colon cancer (CC) development, the aim of this study was to explore whether IL-32 could function as an inflammatory factor in human obesity-associated CC promoting a microenvironment favorable for tumor growth. Samples obtained from 84 subjects [27 lean (LN) and 57 obese (OB)] were used in the study...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811946/are-all-mutations-the-same-a-rare-case-report-of-coexisting-mutually-exclusive-kras-and-braf-mutations-in-a-patient-with-metastatic-colon-adenocarcinoma
#20
Anusha Vittal, Akshay Middinti, Anup Kasi Loknath Kumar
29-year-old Hispanic woman presented to the clinic with complaints of abdominal pain, nausea, fatigue, and constipation. Laboratory tests indicated the presence of iron deficiency anemia and transaminitis. Imaging evaluation revealed marked hepatomegaly with multiple hepatic metastases and pelvic lymphadenopathy. Biopsy of the hepatic lesions showed adenocarcinoma positive for pan-cytokeratin, CMA5.2, villin, and CDX2. She was positive for tumor markers CA 19-9, CA-125, and CEA. Upon further evaluation, she was found to have colorectal cancer positive for KRAS and BRAF mutations...
2017: Case Reports in Oncological Medicine
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