Results 21 to 30 of about 137,449 (345)

High incidence of microsatellite instability and loss of heterozygosity in three loci in breast cancer patients receiving chemotherapy: a prospective study

open access: yesBMC Cancer, 2012
Background The aim of the study was to evaluate potential chemotherapy-induced microsatellite instability, loss of heterozygosity, loss of expression in mismatch repair proteins and associations with clinical findings in breast cancer patients ...
Kamat Nasir   +6 more
doaj   +1 more source

Investigation of second genetic hits at the BMPR2 locus as a modulator of disease progression in familial pulmonary arterial hypertension [PDF]

open access: yes, 2005
BACKGROUND: Primary pulmonary arterial hypertension (PAH) is a potentially devastating condition resulting from occlusion of the pulmonary arterioles by the formation of vascular lesions. Heterozygous mutations in the gene encoding the bone morphogenetic
Aldred, Micheala A.   +8 more
core   +1 more source

Loss of Heterozygosities in Five Tumor Suppressor Genes (FHIT Gene, p16, pRb, E-Cadherin and p53) in Thyroid Tumors [PDF]

open access: yesClinical and Experimental Otorhinolaryngology, 2014
ObjectivesTo evaluate the loss of heterozygosities (LOH) of chromosomes 3p14 (FHIT gene), 9p21 (p16), 13q21 (pRb), 6q22 (E-cadherin) and 17p13 (p53) in various thyroid tumors.MethodsEighty thyroid tumor cases (20 follicular adenomas, 10 follicular ...
Jin Hwan Kim   +4 more
doaj   +1 more source

Imaging correlates of molecular signatures in oligodendrogliomas. [PDF]

open access: yes, 2004
Molecular subsets of oligodendroglioma behave in biologically distinct ways. Their locations in the brain, rates of growth, and responses to therapy differ with their genotypes. Retrospectively, we inquired whether allelic loss of chromosomal arms 1p and
Betensky, Rebecca A   +10 more
core   +2 more sources

Loss of heterozygosity (LOH)--implications for human genetic identification.

open access: yesFolia Histochemica et Cytobiologica, 2009
The aim of this study was assessment of possible effects of loss of heterozygosity on human genetic identification of histolopathogical tissue sections. DNA templates were extracted from tumour tissue specimens excised from oncological patients and from ...
Jerzy Janica   +7 more
doaj   +1 more source

The Genome of the Human Pathogen Candida albicans Is Shaped by Mutation and Cryptic Sexual Recombination

open access: yesmBio, 2018
The opportunistic fungal pathogen Candida albicans lacks a conventional sexual program and is thought to evolve, at least primarily, through the clonal acquisition of genetic changes. Here, we performed an analysis of heterozygous diploid genomes from 21
Joshua M. Wang   +2 more
doaj   +1 more source

Value of the loss of heterozygosity to BRCA1 variant classification

open access: yesnpj Breast Cancer, 2022
At least 10% of the BRCA1/2 tests identify variants of uncertain significance (VUS) while the distinction between pathogenic variants (PV) and benign variants (BV) remains particularly challenging.
Elizabeth Santana dos Santos   +25 more
doaj   +1 more source

Genetic variability of some Italian and Polish duck breeds [PDF]

open access: yes, 2018
This study is aimed to estimate and compare the inter- and within-breed variability of duck populations under genetic conservation programmes. The following four duck breeds were analysed: Germanata Veneta (AGV) and Mignon (AMG) from Italy, Pekin Krajowy
Carc\uf2, Giuseppe   +4 more
core   +1 more source

Exploiting loss of heterozygosity for allele-selective colorectal cancer chemotherapy

open access: yesNature Communications, 2020
Allelic losses occurring in cancer cells have been suggested as potential targets for therapy. Here, the authors show how recurring loss of heterozygosity of a drug metabolic gene in colorectal cancers can be exploited using a low molecular weight ...
Veronica Rendo   +13 more
doaj   +1 more source

Genomic profiling of malignant peritoneal mesothelioma reveals recurrent alterations in epigenetic regulatory genes BAP1, SETD2, and DDX3X. [PDF]

open access: yes, 2017
Malignant mesothelioma is a rare cancer that arises from the mesothelial cells that line the pleural cavity and less commonly from the peritoneal lining of the abdomen and pelvis.
Bastian, Boris C   +10 more
core   +2 more sources

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