Results 111 to 120 of about 1,715,615 (239)

An Update on Early‐Onset Breast Cancer: Incidence, Risk Factors, Genetic Testing, and Treatment

open access: yesComputational and Systems Oncology, Volume 6, Issue 1, December 2026.
ABSTRACT Early‐onset breast cancer presents in patients typically under the age of 40, while very early‐onset breast cancer is usually viewed as breast cancer occurring before the age of 35. Early‐onset breast cancer demonstrates specific molecular properties and has worse outcomes compared to its late‐onset breast cancer counterpart.
Leila Jahangiri
wiley   +1 more source

Germline mutations in BRCA1 and BRCA2 among Brazilian women with ovarian cancer treated in the Public Health System

open access: yesBMC Cancer
Background Germline mutations in BRCA1 and BRCA2 genes are among the main causes of hereditary ovarian cancer. Identifying these mutations may reduce cancer risk, facilitate early detection, and enable personalized treatment.
Caroline de Oliveira Ferreira   +2 more
doaj   +1 more source

From Association to Mechanism: Regulatory Annotation and Pathway Mapping of Genes Surrounding Breast Cancer Risk Variants

open access: yesComputational and Systems Oncology, Volume 6, Issue 1, December 2026.
ABSTRACT Inherited factors account for a large share of breast cancer susceptibility, yet the biological consequences of most risk variants are still poorly understood. To address this gap, we studied 175 breast cancer risk variants confirmed by genome‐wide association studies and gathered the genes that lie near them.
Sultana Jannat   +11 more
wiley   +1 more source

Breast Cancer Gene, BRCA1 and BRCA2

open access: yesJournal of Korean Breast Cancer Society, 2003
Hereditary predisposition to breast and ovarian cancer and responsible for autosomal-dominant transmission, most commonly due to germline mutations in BRCA1 and BRCA2 has been recognized for many years. Hereditary breast cancer is characterized by early age at onset, bilaterality, vertical transmission through both maternal and paternal lines, and ...
openaire   +1 more source

The Molecular Detection of Germline Mutations in the BRCA1 and BRCA2 Genes Associated with Breast and Ovarian Cancer in a Romanian Cohort of 616 Patients

open access: yesCurrent Issues in Molecular Biology
The objective of this study was to identify and classify the spectrum of mutations found in the BRCA1 and BRCA2 genes associated with breast and ovarian cancer in female patients in Romania.
Liliana-Georgiana Grigore   +4 more
doaj   +1 more source

Clinical Implementation and Oncological Relevance of Molecular Profiling in Brain Metastases Patients—A Multicenter Retrospective Cohort Study

open access: yesInternational Journal of Cancer, Volume 159, Issue 10, Page 2562-2574, 15 November 2026.
While current guidelines recommend the analysis of established cancer driver genes in brain metastases, little is known about its real‐life implementation. This multicenter study revealed an upward trend in the profiling rates of surgically treated brain metastases over the past decade, with up to 60% of brain metastases samples undergoing analysis ...
Maria Nikolaeva   +25 more
wiley   +1 more source

Infant Embryonal CNS Tumors: Molecular Insights and Treatment Considerations for Contemporary Pediatric Neuro‐Oncology

open access: yesPediatric Blood &Cancer, Volume 73, Issue 11, November 2026.
ABSTRACT Background Embryonal tumors comprise the majority of malignant central nervous system (CNS) neoplasms diagnosed in children under 3 years of age. Compared with their counterparts in older children, these tumors exhibit distinct molecular biology and a more aggressive clinical phenotype, while their management is complicated by the heightened ...
Sudarshawn Damodharan   +3 more
wiley   +1 more source

Breast Cancer Gene (BRCA1, BRCA2)

open access: yesJournal of Medicine and Life Science, 2003
Most women with breast cancer do not have a familial history of the disease in a first degree relative and hereditary breast cancer caused by a mutant gene passed from parents to their children is rare; only 5-10% of breast cancers are estimated to be attributable to the inheritance of rare highly penetrant, germline mutations of genes, although this ...
openaire   +1 more source

Pancreatic Cancer Early Detection Biomarkers for High‐Risk Individuals: Insights From the PRECEDE Consortium

open access: yesInternational Journal of Cancer, Volume 159, Issue 8, Page 1873-1883, 15 October 2026.
ABSTRACT Pancreatic ductal adenocarcinoma (PDAC) remains one of the deadliest cancers due to its asymptomatic progression, late‐stage diagnosis, and treatment resistance. Efforts in early detection have centered on identifying imaging features and liquid biopsy biomarkers capable of detecting PDAC and its high‐grade precursors before clinical symptoms ...
Christine Worthington   +105 more
wiley   +1 more source

Brca2 is required for embryonic cellular proliferation in the mouse

open access: yes, 1997
Mutations of the tumor suppressor gene BRCA2 are associated with predisposition to breast and other cancers. Homozygous mutant mice in which exons 10 and 11 of the Brca2 gene were deleted by gene targeting (Brca210-11) die before day 9.5 of embryogenesis.
Nishina, Hiroshi   +15 more
core   +1 more source

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