keyword
MENU ▼
Read by QxMD icon Read
search

Polyposis colon

keyword
https://www.readbyqxmd.com/read/28197371/prophylactic-vaccination-targeting-erbb3-decreases-polyp-burden-in-a-mouse-model-of-human-colorectal-cancer
#1
David J Bautz, Ang T Sherpa, David W Threadgill
Prophylactic vaccination is typically utilized for the prevention of communicable diseases such as measles and influenza but, with the exception of vaccines to prevent cervical cancer, is not widely used as a means of preventing or reducing the incidence of cancer. Here, we utilize a peptide-based immunotherapeutic approach targeting ERBB3, a pseudo-kinase member of the EGFR/ERBB family of receptor tyrosine kinases, as a means of preventing occurrence of colon polyps. Administration of the peptide resulted in a significant decrease in the development of intestinal polyps in C57BL/6J-Apc(Min) mice, a model of familial adenomatous polyposis (FAP)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28184015/dual-pi3k-mtor-inhibition-in-colorectal-cancers-with-apc-and-pik3ca-mutations
#2
Tyler M Foley, Susan N Payne, Cheri A Pasch, Alex E Yueh, Dana R Van De Hey, Demetra P Korkos, Linda Clipson, Molly E Maher, Kristina A Matkowskyj, Michael A Newton, Dustin A Deming
Therapeutic targeting of the PI3K pathway is an active area of research in multiple cancer types, including breast and endometrial cancers. This pathway is commonly altered in cancer and plays an integral role in numerous vital cellular functions. Mutations in the PIK3CA gene, resulting in a constitutively active form of PI3K, often occur in colorectal cancer, though the population of patients who would benefit from targeting this pathway has yet to be identified. In human colorectal cancers, PIK3CA mutations most commonly occur concomitantly with loss of adenomatous polyposis coli (APC)...
9, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28148261/dclk1-a-tumor-stem-cell-marker-regulates-pro-survival-signaling-and-self-renewal-of-intestinal-tumor-cells
#3
Parthasarathy Chandrakesan, Jiannan Yao, Dongfeng Qu, Randal May, Nathaniel Weygant, Yang Ge, Naushad Ali, Sripathi M Sureban, Modhi Gude, Kenneth Vega, Eddie Bannerman-Menson, Lijun Xia, Michael Bronze, Guangyu An, Courtney W Houchen
BACKGROUND: More than 80% of intestinal neoplasia is associated with the adenomatous polyposis coli (APC) mutation. Doublecortin-like kinase 1 (Dclk1), a kinase protein, is overexpressed in colorectal cancer and specifically marks tumor stem cells (TSCs) that self-renew and increased the tumor progeny in Apc (Min/+) mice. However, the role of Dclk1 expression and its contribution to regulating pro-survival signaling for tumor progression in Apc mutant cancer is poorly understood. METHODS: We analyzed DCLK1 and pro-survival signaling gene expression datasets of 329 specimens from TCGA Colon Adenocarcinoma Cancer Data...
February 1, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28137882/e3-ubiquitin-ligase-mule-targets-%C3%AE-catenin-under-conditions-of-hyperactive-wnt-signaling
#4
Carmen Dominguez-Brauer, Rahima Khatun, Andrew J Elia, Kelsie L Thu, Parameswaran Ramachandran, Shakiba P Baniasadi, Zhenyue Hao, Lisa D Jones, Jillian Haight, Yi Sheng, Tak W Mak
Wnt signaling, named after the secreted proteins that bind to cell surface receptors to activate the pathway, plays critical roles both in embryonic development and the maintenance of homeostasis in many adult tissues. Two particularly important cellular programs orchestrated by Wnt signaling are proliferation and stem cell self-renewal. Constitutive activation of the Wnt pathway resulting from mutation or improper modulation of pathway components contributes to cancer development in various tissues. Colon cancers frequently bear inactivating mutations of the adenomatous polyposis coli (APC) gene, whose product is an important component of the destruction complex that regulates β-catenin levels...
January 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28133351/-a-case-of-duodenal-papilla-cancer-22-years-after-total-proctocolectomy-for-familial-adenomatous-polyposis
#5
Takashi Takeda, Masakazu Miyake, Mamoru Uemura, Masataka Ikeda, Sakae Maeda, Kazuyoshi Yamamoto, Naoki Hama, Kazuhiro Nishikawa, Atsushi Miyamoto, Michihiko Miyazaki, Motohiro Hirao, Shoji Nakamori, Mitsugu Sekimoto
Familial adenomatous polyposis has an autosomal dominant pattern of inheritance. Colon cancer occurs frequently as a result of colorectal adenoma. The standard treatment is total proctocolectomy. However, it is reported that duodenal papilla cancer and desmoid tumors can also occur alongside colon cancer. We report a patient with duodenal papilla cancer who underwent total proctocolectomy 22 years previously. The patient was a 47-year-old man who had undergone a total proctocolectomy at the age of 25 years for familial adenomatous polyposis...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28130546/yap-il-6st-autoregulatory-loop-activated-on-apc-loss-controls-colonic-tumorigenesis
#6
Koji Taniguchi, Toshiro Moroishi, Petrus R de Jong, Michal Krawczyk, Britta Moyo Grebbin, Huiyan Luo, Rui-Hua Xu, Nicole Golob-Schwarzl, Caroline Schweiger, Kepeng Wang, Giuseppe Di Caro, Ying Feng, Eric R Fearon, Eyal Raz, Lukas Kenner, Henner F Farin, Kun-Liang Guan, Johannes Haybaeck, Christian Datz, Kang Zhang, Michael Karin
Loss of tumor suppressor adenomatous polyposis coli (APC) activates β-catenin to initiate colorectal tumorigenesis. However, β-catenin (CTNNB1) activating mutations rarely occur in human colorectal cancer (CRC). We found that APC loss also results in up-regulation of IL-6 signal transducer (IL-6ST/gp130), thereby activating Src family kinases (SFKs), YAP, and STAT3, which are simultaneously up-regulated in the majority of human CRC. Although, initial YAP activation, which stimulates IL6ST gene transcription, may be caused by reduced serine phosphorylation, sustained YAP activation depends on tyrosine phosphorylation by SFKs, whose inhibition, along with STAT3-activating JAK kinases, causes regression of established colorectal tumors...
January 27, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28075483/detecting-apc-gene-mutations-in-familial-adenomatous-polyposis-fap
#7
Babi Ramesh Reddy Nallamilli, Madhuri Hegde
Hereditary forms of colorectal cancer (CRC) account for up to 5% of total cases. Familial adenomatous polyposis (FAP) is an autosomal dominant condition affecting nearly 1 in 5000 people and accounts for only about 1% of all CRCs. It is characterized by the progressive development of hundreds to thousands of adenomatous colon polyps. The gene associated with FAP (APC) contains 15 coding exons. The mutation spectrum of the APC gene is broad in that 87% of causative mutations are point mutations (including other sequence variants) and around 10% to 15% are intragenic deletions and duplications...
January 11, 2017: Current Protocols in Human Genetics
https://www.readbyqxmd.com/read/28063287/clinical-practice-guidelines-for-the-use-of-video-capsule%C3%A2-endoscopy
#8
Robert A Enns, Lawrence Hookey, David Armstrong, Charles N Bernstein, Steven J Heitman, Christopher Teshima, Grigorios I Leontiadis, Frances Tse, Daniel Sadowski
BACKGROUND & AIMS: Video capsule endoscopy (CE) provides a noninvasive option to assess the small intestine, but its use with respect to endoscopic procedures and cross-sectional imaging varies widely. The aim of this consensus was to provide guidance on the appropriate use of CE in clinical practice. METHODS: A systematic literature search identified studies on the use of CE in patients with Crohn's disease, celiac disease, gastrointestinal bleeding, and anemia...
January 4, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28057861/cellular-context-dependent-consequences-of-apc-mutations-on-gene-regulation-and-cellular-behavior
#9
Kyoichi Hashimoto, Yosuke Yamada, Katsunori Semi, Masaki Yagi, Akito Tanaka, Fumiaki Itakura, Hitomi Aoki, Takahiro Kunisada, Knut Woltjen, Hironori Haga, Yoshiharu Sakai, Takuya Yamamoto, Yasuhiro Yamada
The spectrum of genetic mutations differs among cancers in different organs, implying a cellular context-dependent effect for genetic aberrations. However, the extent to which the cellular context affects the consequences of oncogenic mutations remains to be fully elucidated. We reprogrammed colon tumor cells in an Apc(Min/+) (adenomatous polyposis coli) mouse model, in which the loss of the Apc gene plays a critical role in tumor development and subsequently, established reprogrammed tumor cells (RTCs) that exhibit pluripotent stem cell (PSC)-like signatures of gene expression...
January 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28039328/outcome-of-24%C3%A2-years-national-surveillance-in-different-hereditary-colorectal-cancer-subgroups-leading-to-more-individualised-surveillance
#10
Lars Joachim Lindberg, Steen Ladelund, Birgitte Lidegaard Frederiksen, Lars Smith-Hansen, Inge Bernstein
BACKGROUND: Individuals with hereditary non-polyposis colorectal cancer (HNPCC) have a high risk of colorectal cancer (CRC). The benefits of colonic surveillance in Lynch syndrome and Amsterdam-positive (familial CRC type X familial colorectal cancer type X (FCCTX)) families are clear; only the interval between colonoscopies is debated. The potential benefits for families not fulfilling the Amsterdam criteria are uncertain. The aim of this study was to compare the outcome of colonic surveillance in different hereditary subgroups and to evaluate the surveillance programmes...
December 30, 2016: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28031412/dual-pi3k-mtor-inhibition-in-colorectal-cancers-with-apc-and-pik3ca-mutations
#11
Tyler M Foley, Susan N Payne, Cheri A Pasch, Alex E Yueh, Dana R Van De Hey, Demetra P Korkos, Linda Clipson, Molly E Maher, Kristina A Matkowskyj, Michael A Newton, Dustin A Deming
: Therapeutic targeting of the phosphoinositide 3-kinase (PI3K) pathway is an active area of research in multiple cancer types, including breast and endometrial cancers. This pathway is commonly altered in cancer and plays an integral role in numerous vital cellular functions. Mutations in the PIK3CA gene, resulting in a constitutively active form of PI3K, often occur in colorectal cancer (CRC), though the population of patients who would benefit from targeting this pathway has yet to be identified...
December 28, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28013114/diffuse-esophageal-glycogenic-acanthosis-and-colon-polyposis-in-a-patient-with-cowden-syndrome
#12
Rohan M Modi, Christina A Arnold, Peter P Stanich
No abstract text is available yet for this article.
December 21, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28004480/a-metagenomic-study-of-the-preventive-effect-of-lactobacillus-rhamnosus-gg-on-intestinal-polyp-formation-in-apc-min-mice
#13
Y Ni, V H Y Wong, W C S Tai, J Li, W Y Wong, M M L Lee, F L Y Fong, H El-Nezami, G Panagiotou
AIMS: To investigate the in vivo effects of Lactobacillus rhamnosus GG (LGG) on intestinal polyp development and the interaction between this single-organism probiotic and the gut microbiota therein. METHODS AND RESULTS: The Apc(Min/+) mouse model was used to study the potential preventive effect of LGG on intestinal polyposis, while shotgun metagenomic sequencing was employed to characterize both taxonomic and functional changes within the gut microbial community...
December 22, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28002446/the-agaricus-blazei-based-mushroom-extract-andosan%C3%A2-protects-against-intestinal-tumorigenesis-in-the-a-j-min-mouse
#14
Geir Hetland, Dag M Eide, Jon M Tangen, Mads H Haugen, Mohammad R Mirlashari, Jan E Paulsen
BACKGROUND: The novel A/J Min/+ mouse, which is a model for human Familial Adenomatous Polyposis (FAP), develops spontaneously multiple adenocarcinomas in the colon as well as in the small intestine. Agaricus blazei Murill (AbM) is an edible Basidiomycetes mushroom that has been used in traditional medicine against cancer and other diseases. The mushroom contains immunomodulating β-glucans and is shown to have antitumor effects in murine cancer models. Andosan™ is a water extract based on AbM (82%), but it also contains the medicinal Basidiomycetes mushrooms Hericeum erinaceus and Grifola frondosa...
2016: PloS One
https://www.readbyqxmd.com/read/27991685/massive-gastric-juvenile-type-polyposis-a-clinicopathologic-analysis-of-22-cases
#15
Raul S Gonzalez, Volkan Adsay, Rondell P Graham, Stuti G Shroff, Michael M Feely, Michael G Drage, David N Lewin, Eric A Swanson, Rhonda K Yantiss, Pelin Bağci, Alyssa M Krasinskas
AIMS: Massive gastric polyposis is a rare entity often associated with juvenile polyposis syndrome (JPS). We evaluated the clinicopathologic features of 22 patients with abundant gastric juvenile-type or hyperplastic-like polyps. METHODS AND RESULTS: The study included 12 males and 10 females with a median age of 48 years (range: 13-79). Fourteen (64%) patients carried a diagnosis of JPS, and three had prior gastrointestinal adenocarcinomas. Patients without known JPS presented at an older median age (60 versus 40 years; P=0...
December 19, 2016: Histopathology
https://www.readbyqxmd.com/read/27991017/-proctocolectomy-with-j-pouch-ileo-anal-anastomosis-performed-with-pph-stapler-our-experiences-after-88-cases
#16
Csaba Berki, Elemér Mohos, György Réti, Tamás Kovács, Zoltán Jánó, József Mohay, Sándor Horváth, Gábor Bognár, Krisztina Bene, Myroslav Horzov, Gábor Sándor, Gábor Tornai, Petra Mohos, Péter Szenkovits, Tibor Nagy, Csaba Orbán, Vivien Herpai, Attila Nagy
AIM: Ulcerative colitis (CU) or Familiar Polyposis (FAP) can be the indication for proctocolectomy reconstructed with J pouch. The complete removal of the colon mucosa is essential regarding the late complications and at the same time the atraumatic surgical technique is very important concerning on the long term functional results. Both aspects seems to be answered by the stapled ileo-anal anastomosis using a "procedure for prolaps and haemorrhoids (PPH)" stapler applied by us since 2000...
December 2016: Magyar Sebészet
https://www.readbyqxmd.com/read/27989630/-specificities-of-carcinomas-in-adolescents-and-young-adults
#17
REVIEW
Brice Fresneau, Marie-Emilie Dourthe, Anaïs Jouin, Valérie Laurence, Guénolée de Lambert, Christelle Colas, Mathilde Coret, Anne Laprie, Céleste Rebours, Daniel Orbach, Charlotte Demoor-Goldschmidt
Carcinomas are rare tumors of the adolescent-young adult (AYA) with a different spectrum from those of adults. The most common sites outside of the thyroid is the nasopharynx, salivary gland, colon-rectum and ovaries. If nasopharyngeal carcinoma or salivary gland tumors are good prognosis, others are more reserved prognosis, such as digestive carcinomas, gynecological or midline. The revelation modes are non-specific and depend on the location: mass, tumor syndrome, pain, impaired general condition. The unusual of pediatric carcinomas led to propose a systematic oncogenetic exploration...
December 15, 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27984123/clinicopathologic-features-of-a-kindred-with-scg5-grem1-associated-hereditary-mixed-polyposis-syndrome
#18
Thomas Plesec, Kathryn Brown, Charles Allen, Carol Burke, James Church, Matthew Kalady, Lisa LaGuardia, Margaret O'Malley, Brandie Heald
Since first characterized in 1997, patients with hereditary mixed polyposis syndrome (HMPS) have been difficult to identify due to lack of well-established diagnostic criteria. Recently, HMPS was found to be caused by a duplication on chromosome 15 spanning the 3' end of the SCG5 gene and a region upstream of the GREM1 locus. Clinical testing for the duplication is available; however, the clinical characteristics of hereditary mixed polyposis to support testing are ill-defined. The clinicopathologic findings of ten HMPS patients with confirmed germline SCG5-GREM1 duplication were reviewed...
October 27, 2016: Human Pathology
https://www.readbyqxmd.com/read/27920699/asymptomatic-multiple-lymphomatous-polyposis-identified-during-staging-bidirectional-endoscopy-of-mantle-cell-lymphoma
#19
Sonja P Dawsey, Jason A Gregory, Alexander W Brown, Frances J Jones
Multiple lymphomatous polyposis (MLP) as an extranodal manifestation of mantle cell lymphoma (MCL) in the gastrointestinal tract is rare and not often reported in the literature. We describe the case of a 63-year-old female with asymptomatic MLP found during staging bidirectional endoscopy of MCL. The patient presented only with dyspnea, but was found on physical exam to have diffuse lymphadenopathy, and subsequent positron emission tomography (PET) CT showed extensive lymph node adenopathy consistent with lymphoma...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27918452/light-dark-shifting-promotes-alcohol-induced-colon-carcinogenesis-possible-role-of-intestinal-inflammatory-milieu-and-microbiota
#20
Faraz Bishehsari, Abdulrahman Saadalla, Khashayarsha Khazaie, Phillip A Engen, Robin M Voigt, Brandon B Shetuni, Christopher Forsyth, Maliha Shaikh, Martha Hotz Vitaterna, Fred Turek, Ali Keshavarzian
BACKGROUND: Colorectal cancer (CRC) is associated with the modern lifestyle. Chronic alcohol consumption-a frequent habit of majority of modern societies-increases the risk of CRC. Our group showed that chronic alcohol consumption increases polyposis in a mouse mode of CRC. Here we assess the effect of circadian disruption-another modern life style habit-in promoting alcohol-associated CRC. METHOD: TS4Cre × adenomatous polyposis coli (APC)(lox468) mice underwent (a) an alcohol-containing diet while maintained on a normal 12 h light:12 h dark cycle; or (b) an alcohol-containing diet in conjunction with circadian disruption by once-weekly 12 h phase reversals of the light:dark (LD) cycle...
December 2, 2016: International Journal of Molecular Sciences
keyword
keyword
91238
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"