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polygenic risk scores (PRS) may be used to refine risk assessment for women at increased familial risk who test negative/have low likelihood of BRCA1/2 mutations. They may alter the recommended prevention strategy for many women attending family history clinics.
Our data also suggest how ataxia telangiectasia mutated (ATM (zeige ATM Proteine))-dependent BRCA1 dimerization may stabilize self-association of the entire BRCA1-A complex.
BRCA1 promotes PP4C-dependent 53BP1 dephosphorylation and RIF1 release, directing repair toward homologous recombination.
Tumor-treating fields elicit a conditional vulnerability to ionizing radiation via the downregulation of BRCA1 signaling and reduced DNA double-strand break repair capacity in non-small cell lung cancer cell lines
KU80 (zeige XRCC5 Proteine) was found to bind near the proposed BRCA1 binding site, suggesting that KU80 (zeige XRCC5 Proteine) and BRCA1 may compete for binding to DNA-PKcs (zeige PRKDC Proteine). The determination of the crystal structure of DNA-PKcs (zeige PRKDC Proteine) provides insight into the regulation of its activity and suggests a mechanism for the selection of NHEJ or HR
somatic BRCA1 mutations were common in Southeast European nasopharyngeal carcinoma patients... and appeared to affect patient outcome according to tumor genomic stability status
Study have shown that mutations in BRCA1, BRCA2 (zeige BRCA2 Proteine), and PALB2 (zeige PALB2 Proteine) account for more than 10 % of breast cancer in Trinidad and Tobago. 25 different mutations identified; of these, four mutations were seen in two patients each.
The heterogeneity of the detected mutations confirms the necessity of simultaneous analysis of BRCA1/2 genes in all patients diagnosed with serous ovarian carcinoma. Moreover, the use of tumor tissue for mutational analysis allowed the detection of both somatic and germline BRCA1/2 mutations.
USP21 (zeige USP21 Proteine) interacts with, deubiquitinates and stabilizes BRCA2 (zeige BRCA2 Proteine) to promote efficient RAD51 (zeige RAD51 Proteine) loading at DNA double-strand breaks.
Propose that E2F1 interacts with BRCA1 indirect pathway to induce two different small molecule metabolic pathways or cell cycle regulation pathways in hepatocellular carcinoma.
Investigation on BRCA1 SNPs and its effects on mastitis in Chinese commercial cattle.
The gene-specific SNP marker analysis showed a significant association of BRCA1 C28300A with milk somatic cell scores.
In general, OC use, childbearing and breastfeeding do not differ between BRCA1/2 carriers and non-carriers with ovarian cancer. However, the effects of tubal ligation may differ between BRCA1 carriers and non-carriers.
Bovine BRCA1 was phosphorylated and nuclear speckling was enhanced in response to DNA-damaging agents.These results provide evidence that phosphorylation and nuclear relocalization are highly conserved features of the BRCA1 response to genotoxic stress.
Consensus-based recombinant adeno-associated virus-BRCA1 knock out virus vectors failed to induce BRCA1 knockout in Gottingen fibroblasts.
TGFbeta (zeige TGFB1 Proteine) stabilized the abundance of BRCA1 by reducing the abundance of microRNA-182 (miR (zeige MLXIP Proteine)-182). Ectopic expression of BRCA1 or antagonism of miR (zeige MLXIP Proteine)-182 in cultured TGFbeta (zeige TGFB1 Proteine)-deficient mammary epithelial cells restored luminal lineage commitment.
BRCA1 inactivation can increase expression of miR (zeige MLXIP Proteine)-155, contributing to cardiac hypertrophy. And Rev produces their beneficial effects partially by down-regulating miR (zeige MLXIP Proteine)-155 expression, which might be a novel strategy for treatment of cardiac hypertrophy.
both murine Brca1185stop tumors and human BRCA1185delAG breast cancer cells express a new gene domain-less (RING-less) BRCA1 protein that mediated resistance to homologous recombination deficient-targeted therapies
Genomic instability can be rescued by deletion of Trp53bp1 (zeige TP53BP1 Proteine), encoding the DNA damage response factor 53BP1 (zeige TP53BP1 Proteine); mice expressing RING-less BRCA1 do not show an increased susceptibility to tumors in the absence of 53BP1 (zeige TP53BP1 Proteine); Genomic instability in cells expressing RING-less BRCA1 correlates with loss of BARD1 (zeige BARD1 Proteine) and a defect in restart of replication forks after hydroxyurea treatment
the aberrant proliferative capacity of Brca1(-/-) luminal progenitor cells is linked to the replication-associated DNA damage response, where proliferation of mammary progenitors is perpetuated by damage-induced, autologous NF-kappaB (zeige NFKB1 Proteine) signaling.
We report here elevated recombination rates at telomeres in cells from human BRCA1 mutation carriers and in mouse embryonic stem cells lacking both copies of functional Brca1.
loss of Brca1, a tumor suppressor that functions in DNA damage repair, in the mammary epithelium induced senescence with induction of p16 and a decline of stem cell function, which was rescued by p16 loss.
Brca1-Wwox (zeige WWOX Proteine) interaction supports non-homologous end-joining as the dominant DSB repair pathway in Wwox (zeige WWOX Proteine)-sufficient cells
Structure-guided separation-of-function mutations show that the RNF8 E2 stimulating activity is essential for DSB signaling in mammalian cells and is necessary for downstream recruitment of 53BP1 and BRCA1.
Results reveal a broader biological role for BRCA1 in protecting the developing embryo from oxidative stress, and corroborate a role for DNA damage in the mechanism of ethanol embryotoxicity.
MRN (Mre11 (zeige MRE11A Proteine), Rad50 (zeige RAD50 Proteine), and Nbs1 (zeige NLRP2 Proteine)) complex, CtIP (zeige RBBP8 Proteine), and BRCA1 are required for both the removal of Top2 (zeige TOP2 Proteine)-DNA adducts and the subsequent resection of Top2 (zeige TOP2 Proteine)-adducted DSB ends.
BRCA1-dependent helicase unloading is a critical, early event in DNA interstrand crosslink repair.
This gene encodes a nuclear phosphoprotein that plays a role in maintaining genomic stability, and it also acts as a tumor suppressor. The encoded protein combines with other tumor suppressors, DNA damage sensors, and signal transducers to form a large multi-subunit protein complex known as the BRCA1-associated genome surveillance complex (BASC). This gene product associates with RNA polymerase II, and through the C-terminal domain, also interacts with histone deacetylase complexes. This protein thus plays a role in transcription, DNA repair of double-stranded breaks, and recombination. Mutations in this gene are responsible for approximately 40% of inherited breast cancers and more than 80% of inherited breast and ovarian cancers. Alternative splicing plays a role in modulating the subcellular localization and physiological function of this gene. Many alternatively spliced transcript variants, some of which are disease-associated mutations, have been described for this gene, but the full-length natures of only some of these variants has been described. A related pseudogene, which is also located on chromosome 17, has been identified.
BRCA1/BRCA2-containing complex, subunit 1
, RING finger protein 53
, breast and ovarian cancer susceptibility protein 1
, breast and ovarian cancer sususceptibility protein 1
, breast cancer type 1 susceptibility protein
, protein phosphatase 1, regulatory subunit 53
, BRCA1 homologue
, breast cancer type 1 susceptibility protein homolog
, breast cancer 1, early onset
, BRCA1 homolog
, breast and ovarian cancer susceptibility protein
, breast cancer associated 1