Results 71 to 80 of about 62,250 (302)

Differential Prognostic Impact of Prior Cholecystectomy Between Proximal and Distal Colorectal Cancer: A 12‐Year Retrospective Cohort Study of 3487 Consecutive Patients

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
In this retrospective cohort of 3487 patients with CRC, history of CCY was associated with significantly worse prognosis in patients with proximal CRC but not in those with distal CRC. This differential prognostic impact showed a statistically significant interaction between tumor location and history of CCY and remained robust after PSM.
Masashi Tsunematsu   +9 more
wiley   +1 more source

Testing tumors for microsatellite instability [PDF]

open access: yesEuropean Journal of Human Genetics, 1999
The methods for determining microsatellite instability in tumors are highly heterogeneous. Recently a 5-marker panel of microsatellites was suggested for this purpose. In this review attention is drawn to the fact that microsatellite instability can be assessed by analyzing tumor DNA with a single marker, BAT-26, and that normal tissue DNA from the ...
openaire   +2 more sources

Prevalence of MSI‐H/dMMR Colorectal Cancer in Japan: Data From the Clinical Study Group of the University of Osaka‐Colorectal Registry

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
Using a multicenter Japanese colorectal cancer cohort from 25 institutions, we analyzed 1464 patients across all disease stages and tumor locations to determine the prevalence and clinicopathological features of MSI‐H/dMMR colorectal cancer. MSI‐H/dMMR tumors accounted for 9.4% of cases overall, were present in 22% of right‐sided colon cancers, and ...
Yoshihiro Morimoto   +27 more
wiley   +1 more source

Medullary colon carcinoma with microsatellite instability: case report

open access: yes
Colorectal cancer is the third most common neoplasm and the second most lethal worldwide. The most common histological type is adenocarcinoma, characterized by its glandular pattern.
Mariana Macambira Noronha   +6 more
core   +1 more source

Humanized immune system animal models and their recent applications

open access: yesAnimal Models and Experimental Medicine, EarlyView.
In this review, we provide an updated and comprehensive overview of the current state of humanized immune system animal model research. We discuss the variety of techniques used to produce humanized mice with their respective strengths and weaknesses, and evaluate the advantages and limitations of these models, including issues with incomplete immune ...
Nicolas Skuli   +6 more
wiley   +1 more source

Microsatellite instability in Marek’s Disease Virus infected primary chicken embryo fibroblasts

open access: yesVirology Journal, 2012
Background Marek’s disease virus (MDV), an oncogenic α-herpes virus, causes a devastating disease in chickens characterized by development of lymphoblastoid tumors in multiple organs.
Zhou Zhenlei   +3 more
doaj   +1 more source

LINE-1 hypomethylation in cancer is highly variable and inversely correlated with microsatellite instability. [PDF]

open access: yesPLoS ONE, 2007
Alterations in DNA methylation in cancer include global hypomethylation and gene-specific hypermethylation. It is not clear whether these two epigenetic errors are mechanistically linked or occur independently.
Marcos R H Estécio   +11 more
doaj   +1 more source

Microsatellite instability and pathological aspects of breast cancer

open access: yes, 1995
Genomic instability plays a key role in hereditary nonpolyposis colorectal cancer and in a significant sub-set of non-hereditary colorectal tumors. Recent evidence suggests that microsatellite instability also occurs in various sub-sets of common, non ...
Contegiacomo A   +11 more
core   +2 more sources

Znaczenie mechanizmu naprawy DNA błędnie sparowanych zasad azotowych (MMR) w raku piersi

open access: yesMenopause Review, 2010
Background: Microsatellite instability (MSI) is due to defective DNA mismatch repair. Defects in DNA mismatch-repair (MMR) genes lead to replication errors revealed as instability in microsatellite markers.
Hanna Romanowicz   +6 more
doaj  

Identification of a novel deletion mutant strain in Saccharomyces cerevisiae that results in a microsatellite instability phenotype [PDF]

open access: yesBioDiscovery, 2012
The DNA mismatch repair (MMR) pathway corrects specific types of DNA replication errors that affect microsatellites and thus is critical for maintaining genomic integrity.
Hanlee P. Ji   +5 more
doaj   +3 more sources

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