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    GENE:

    PALB2 (Partner and localizer of BRCA2)

    i
    Other names: PALB2, Partner And Localizer Of BRCA2, FANCN, Truncated Partner And Localizer Of BRCA2, Fanconi Anemia, Complementation Group N, Mutant Partner And Localizer Of BRCA2, PNCA3
    3ms
    Differences in Cascade Genetic Testing Among Families With Hereditary Cancer Risk. (PubMed, JAMA Netw Open)
    In this retrospective cross-sectional study, cascade testing was underused, especially among specific demographic groups, with clinical and cultural factors appearing to play a larger role than financial barriers. These findings may guide efforts to address barriers preventing wider uptake of cascade testing and improve cancer prevention efforts, particularly among racial and ethnic minority groups.
    Retrospective data • Journal • BRCA Biomarker
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • MLH1 (MutL homolog 1) • MSH6 (MutS homolog 6) • MSH2 (MutS Homolog 2) • PMS2 (PMS1 protein homolog 2) • CHEK2 (Checkpoint kinase 2) • EPCAM (Epithelial cell adhesion molecule)
    3ms
    DNA damage response inhibitors in pancreatic cancer: progress and challenges. (PubMed, Front Oncol)
    Finally, we summarize current challenges-including limited accessibility, resistance mechanisms, and toxicities-and outline future directions, such as novel biomarkers, liquid biopsy for real-time resistance monitoring, and innovative adaptive trial designs. This review highlights the evolution of DDR-targeted therapy in pancreatic cancer toward personalized, combination-based precision medicine.
    Review • Journal • BRCA Biomarker • IO biomarker
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    KRAS (KRAS proto-oncogene GTPase) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • HRD (Homologous Recombination Deficiency) • PALB2 (Partner and localizer of BRCA2) • BRCA (Breast cancer early onset)
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    PALB2 mutation • BRCA mutation
    3ms
    Transcriptomics identifies mild hyperthermia-conditioned tumor supernatant as an inducer of HepG2 transition. (PubMed, Cytotechnology)
    However, due to the complex composition of Tsn and the transcriptome-only level of this analysis, the specific active factors, causal regulatory mechanisms, and in vivo efficacy require further validation through component analysis, functional assays, and animal models. The online version contains supplementary material available at 10.1007/s10616-026-01011-w.
    Journal
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    BRCA1 (Breast cancer 1, early onset) • PALB2 (Partner and localizer of BRCA2) • HEY1 (Hes Related Family BHLH Transcription Factor With YRPW Motif 1) • SLX4 (SLX4 Structure-Specific Endonuclease Subunit)
    3ms
    Frequency of germline pathogenic variants in breast cancer predisposing genes in a national cohort of young women with breast cancer. (PubMed, Br J Cancer)
    Overall, 18.6% of women with young breast cancer had PVs in 18 genes tested, including 6.8% in a gene other than BRCA1 or BRCA2. Study results suggest that genetic testing should be offered to all women diagnosed breast cancer at the age of 40 or younger.
    Journal • BRCA Biomarker
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    TP53 (Tumor protein P53) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PTEN (Phosphatase and tensin homolog) • ATM (ATM serine/threonine kinase) • STK11 (Serine/threonine kinase 11) • PALB2 (Partner and localizer of BRCA2) • MLH1 (MutL homolog 1) • MSH6 (MutS homolog 6) • MSH2 (MutS Homolog 2) • PMS2 (PMS1 protein homolog 2) • CDH1 (Cadherin 1) • CHEK2 (Checkpoint kinase 2) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • RAD51D (RAD51 paralog D) • EPCAM (Epithelial cell adhesion molecule) • BARD1 (BRCA1 Associated RING Domain 1)
    3ms
    NEO: A Study of Olaparib Prior to Surgery and Chemotherapy in Ovarian, Primary Peritoneal, and Fallopian Tube Cancer (clinicaltrials.gov)
    P2, N=71, Active, not recruiting, University Health Network, Toronto | Trial completion date: Dec 2025 --> Dec 2027 | Trial primary completion date: Dec 2025 --> Dec 2027
    Trial completion date • Trial primary completion date • Platinum sensitive
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    BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • BARD1 (BRCA1 Associated RING Domain 1) • PPM1D (Protein Phosphatase Mg2+/Mn2+ Dependent 1D) • FANCM (FA Complementation Group M)
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    BRIP1 mutation • RAD51C mutation • RAD51D mutation • RAD51B mutation • BARD1 mutation
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    Lynparza (olaparib)
    3ms
    Hereditary Cancer Genetic Testing for All? A Retrospective Analysis on Genetic Mutations Found in Individuals Not Meeting NCCN® Guidelines. (PubMed, Eur J Breast Health)
    These findings support the potential value of expanded or universal genetic testing strategies, particularly in populations with limited family history or those outside current clinical criteria.
    Retrospective data • Journal • BRCA Biomarker
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • ATM (ATM serine/threonine kinase) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • NF1 (Neurofibromin 1) • BAP1 (BRCA1 Associated Protein 1) • PALB2 (Partner and localizer of BRCA2) • MLH1 (MutL homolog 1) • MSH6 (MutS homolog 6) • MSH2 (MutS Homolog 2) • SMAD4 (SMAD family member 4) • PMS2 (PMS1 protein homolog 2) • APC (APC Regulator Of WNT Signaling Pathway) • CDH1 (Cadherin 1) • CHEK2 (Checkpoint kinase 2) • SDHB (Succinate Dehydrogenase Complex Iron Sulfur Subunit B) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • RAD51D (RAD51 paralog D) • MBD4 (Methyl-CpG Binding Domain 4, DNA Glycosylase) • MSH3 (MutS Homolog 3) • BARD1 (BRCA1 Associated RING Domain 1) • NBN (Nibrin Nijmegen Breakage Syndrome 1 (Nibrin)) • MUTYH (MutY homolog) • FLCN (Folliculin) • POT1 (Protection of telomeres 1) • MITF (Melanocyte Inducing Transcription Factor) • SDHD (Succinate Dehydrogenase Complex Subunit D) • HOXB13 (Homeobox B13) • LZTR1 (Leucine Zipper Like Transcription Regulator 1) • SDHA (Succinate Dehydrogenase Complex Flavoprotein Subunit A)
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    ATM mutation • CHEK2 mutation • BRIP1 mutation • BARD1 mutation
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    CancerNext-Expanded®
    3ms
    A Case Report: A Rare Casr Mutation Associated with HER2-Positive Breast Cancer. (PubMed, Exp Oncol)
    The patient underwent neoadjuvant chemothera- py, right-sided mastectomy, and trastuzumab therapy, achieving complete pathological regression (pCR) with no recur- rence after ten months of follow-up. Although the CASR p.Glu755Asp variant's pathogenic role is unproven, emerging evidence links CASR overexpression with hER2-positive breast cancers, promoting tumor progression via calcium- dependent signaling pathways (PI3K/AKt, MAPK). This case highlights the potential role of CASR as a low-penetrance susceptibility gene in breast cancer and supports further functional and genomic studies to clarify its clinical impact.
    Journal • BRCA Biomarker
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    HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor) • TP53 (Tumor protein P53) • PGR (Progesterone receptor) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • CHEK2 (Checkpoint kinase 2) • CASR (Calcium Sensing Receptor)
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    HER-2 positive • BRCA2 mutation • BRCA1 mutation • HER-2 overexpression • HER-2 mutation • PALB2 mutation • ER negative • CHEK2 mutation • HER-2 positive + HER-2 overexpression
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    Herceptin (trastuzumab)
    3ms
    Prevalence of Helicobacter pylori Exposure and Risk Factors Among BRCA1 and BRCA2 Carriers. (PubMed, Int J Cancer)
    Approximately 1 in 6 BRCA1, BRCA2, and other DNA repair-related gene PGV carriers had Hp exposure. Future studies are needed to determine the impact of Hp exposure versus active Hp infection on GC risk in these high-risk individuals.
    Journal • BRCA Biomarker
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    TP53 (Tumor protein P53) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2)
    4ms
    Clinicopathologic characteristics of early-onset breast cancer among unselected young Black women. (PubMed, Cancer)
    Among unselected young Black women with breast cancer, our findings demonstrate that the highest frequency of HBC GPVs are in BRCA1, BRCA2, and PALB2, with identification of distinct histopathologic and demographic characteristics across HBC genes, underscoring the critical need for genetic testing in all populations.
    Journal • BRCA Biomarker
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2)
    4ms
    Are current Polish guidelines for prophylactic mastectomy sufficient? (PubMed, Hered Cancer Clin Pract)
    Current, evidence based data supports extending the qualification criteria for prophylactic mastectomy among TP53, PTEN, PALB and CHEK2 PV carriers.
    Review • Journal
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    TP53 (Tumor protein P53) • PTEN (Phosphatase and tensin homolog) • PALB2 (Partner and localizer of BRCA2) • CHEK2 (Checkpoint kinase 2)
    4ms
    CXorf67 in malignancies: Deciphering epigenetic landscapes and clinical implications for precision oncology. (PubMed, Genes Dis)
    However, further research is needed to explore its functions in other cancers and clarify its molecular mechanisms. Our review synthesizes current knowledge on CXorf67's biological significance, particularly in epigenetics and DNA damage, and its implications in oncogenesis.
    Review • Journal
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • SUZ12 (SUZ12 Polycomb Repressive Complex 2 Subunit)
    4ms
    Germline Predisposition in Pediatric Central Nervous System Tumors: Insights from a Multigene Panel Study. (PubMed, Oncol Res)
    Germline P/LP mutations were identified in 15.7% of Korean children and AYAs with CNS tumors, most commonly in gliomas and other CNS tumors. Our findings highlight the molecular heterogeneity of germline predisposition in CNS tumors and emphasize the importance of germline testing for risk assessment and surveillance.
    Journal
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    TP53 (Tumor protein P53) • NF1 (Neurofibromin 1) • PALB2 (Partner and localizer of BRCA2) • MLH1 (MutL homolog 1) • PMS2 (PMS1 protein homolog 2) • SMARCB1 (SWI/SNF Related, Matrix Associated, Actin Dependent Regulator Of Chromatin, Subfamily B, Member 1) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • MUTYH (MutY homolog) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M)