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    GENE:

    FANCB (FA Complementation Group B)

    i
    Other names: FANCB, FA Complementation Group B, FAAP95, FAB, Fanconi Anemia-Associated Polypeptide Of 95 KDa, Fanconi Anemia Complementation Group B, Fanconi Anemia Group B Protein, FLJ34064, Protein FACB, FAAP90, FACB, FA2
    Associations

    News

    Trials
    2ms
    Predicting the influence of homologous recombination repair deficiency genes on glioma heterogeneity and patient prognosis using multi-omics analysis and machine learning. (PubMed, PLoS One)
    Our HRD Index model based on these seven genes significantly correlated with clinical prognosis in glioma patients and holds promise for guiding clinical management.
    Journal
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    PTEN (Phosphatase and tensin homolog) • HRD (Homologous Recombination Deficiency) • FANCB (FA Complementation Group B)
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    HRD
    6ms
    Potential role of Fanconi anemia pathway in the pathogenesis of endometrial cancer (Review). (PubMed, Mol Med Rep)
    This comprehensive review provides a systematic summary of EC‑related FA genes, elucidates the roles of various FA genes in EC and further speculates on their related mechanisms to facilitate the development of targeted therapies that specifically target key genes, leading to a more accurate and efficient treatment for EC. The present review searched PubMed and Google Scholar for articles published in English up to June 2025 using keywords such as Fanconi anemia pathway, 22 FA genes (FANCA, FANCB, FANCC, FANCD1/BRCA2, FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ/BRIP1, FANCL, FANCM, FANCN/PALB2, FANCO/RAD51C, FANCP/SLX4, FANCQ/XPF, FANCR/RAD51, FANCS/BRCA1, FANCT/UBE2T, FANCU/XRCC2, FANCV/REV7, FANCW/RFWD3), endometrial cancer (type I: Endometrioid adenocarcinoma; Type II Uterine serous carcinoma, clear‑cell carcinoma, carcinosarcoma), somatic copy number alterations, microsatellite instability, TP53 mutations, pathogenesis, genomic instability, target therapy.
    Review • Journal • BRCA Biomarker
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    TP53 (Tumor protein P53) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • MSI (Microsatellite instability) • PALB2 (Partner and localizer of BRCA2) • RAD51 (RAD51 Homolog A) • FANCA (FA Complementation Group A) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • XRCC2 (X-Ray Repair Cross Complementing 2) • ERCC4 (ERCC Excision Repair 4, Endonuclease Catalytic Subunit) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C) • SLX4 (SLX4 Structure-Specific Endonuclease Subunit)
    |
    TP53 mutation
    10ms
    Deficiency of the Fanconi anemia core complex protein FAAP100 results in severe Fanconi anemia. (PubMed, J Clin Invest)
    This establishes FAAP100 deficiency as a cause of Fanconi anemia, with FAAP100 gaining an alias as FANCX. The extensive developmental malformations of individuals with FAAP100 loss-of-function variants are among the most severe across previously described FA phenotypes, indicating that the FA pathway is essential for human development.
    Journal
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    FANCA (FA Complementation Group A) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCD2 (FA Complementation Group D2) • FANCB (FA Complementation Group B)
    10ms
    Genetic inactivation of FAAP100 causes Fanconi anemia due to disruption of the monoubiquitin ligase core complex. (PubMed, J Clin Invest)
    Mechanistically, FAAP100T542P impairs ligase activity by preventing BLP100 subcomplex formation, resulting in defective FAAP100T542P nuclear translocation and chromatin recruitment. FAAP100 dysfunction that disrupts the FA pathway and impairs genomic maintenance, together with FAconsistent human manifestations, recommends FAAP100 as a legitimate FA gene, FANCY.
    Journal • BRCA Biomarker
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    BRCA (Breast cancer early onset) • FANCA (FA Complementation Group A) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCD2 (FA Complementation Group D2) • FANCB (FA Complementation Group B)
    1year
    Measuring the Effects of Talazoparib in Patients With Advanced Cancer and DNA Repair Variations (clinicaltrials.gov)
    P2, N=36, Recruiting, National Cancer Institute (NCI) | Trial completion date: Dec 2024 --> Dec 2026 | Trial primary completion date: Dec 2024 --> Dec 2026
    Trial completion date • Trial primary completion date • Metastases
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2) • ARID1A (AT-rich interaction domain 1A) • BAP1 (BRCA1 Associated Protein 1) • CDK12 (Cyclin dependent kinase 12) • CHEK2 (Checkpoint kinase 2) • RAD51 (RAD51 Homolog A) • FANCA (FA Complementation Group A) • RAD51B (RAD51 Paralog B) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • RAD50 (RAD50 Double Strand Break Repair Protein) • RAD51D (RAD51 paralog D) • CHEK1 (Checkpoint kinase 1) • BARD1 (BRCA1 Associated RING Domain 1) • NBN (Nibrin Nijmegen Breakage Syndrome 1 (Nibrin)) • RAD54L (DNA Repair And Recombination Protein RAD54) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • BACH1 (BTB Domain And CNC Homolog 1) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C)
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    BRCA2 mutation • BRCA1 mutation • ATM mutation
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    Talzenna (talazoparib)
    over1year
    Somatic gene mutations involved in DNA damage response/Fanconi anemia signaling are tissue- and cell-type specific in human solid tumors. (PubMed, Front Med (Lausanne))
    Furthermore, these gene alteration patterns significantly impact patient survival and disease-free periods. Collectively, our findings not only enhance our understanding of cancer development and progression but also have significant implications for cancer patient care and prognosis, particularly in the development of effective therapeutic strategies.
    Journal • BRCA Biomarker
    |
    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • RAD51 (RAD51 Homolog A) • FANCA (FA Complementation Group A) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • XRCC2 (X-Ray Repair Cross Complementing 2) • ERCC4 (ERCC Excision Repair 4, Endonuclease Catalytic Subunit) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • MAD2L2 (Mitotic Arrest Deficient 2 Like 2) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FAAP24 (FA Core Complex Associated Protein 24) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C) • SLX4 (SLX4 Structure-Specific Endonuclease Subunit)
    |
    ATM mutation
    over1year
    TRIUMPH: Trial of Rucaparib in Patients With Metastatic Hormone-Sensitive Prostate Cancer Harboring Germline DNA Repair Gene Mutations (clinicaltrials.gov)
    P2, N=12, Completed, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Active, not recruiting --> Completed | N=30 --> 12
    Trial completion • Enrollment change • Metastases
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • ATM (ATM serine/threonine kinase) • CHEK2 (Checkpoint kinase 2) • FANCA (FA Complementation Group A) • RAD51C (RAD51 paralog C) • RAD50 (RAD50 Double Strand Break Repair Protein) • RAD51D (RAD51 paralog D) • NBN (Nibrin Nijmegen Breakage Syndrome 1 (Nibrin)) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C)
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    CHEK2 mutation • RAD51C mutation • FANCA mutation • RAD51D mutation • RAD50 mutation • FANCF mutation • NBN mutation • FANCG mutation • FANCI mutation • FANCM mutation
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    Rubraca (rucaparib)
    over1year
    Alterations in the expression of homologous recombination repair (HRR) genes in breast cancer tissues considering germline BRCA1/2 mutation status. (PubMed, Breast Cancer Res Treat)
    In cancer tissues harbouring either BRCA1 or BRCA2 germline mutations, no significant differences in expression were observed at the mRNA level of any tested HR genes, except BRCA1. However, the significant differences observed in BRCA1 expression between germline BRCA1mut, germline BRCA2mut and BRCA1/2wt tissues may indicate a compensatory mechanism at the mRNA level to mitigate the loss of BRCA1 function in the cells.
    Journal • BRCA Biomarker
    |
    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • ATM (ATM serine/threonine kinase) • HRD (Homologous Recombination Deficiency) • BRCA (Breast cancer early onset) • CHEK2 (Checkpoint kinase 2) • FANCA (FA Complementation Group A) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD50 (RAD50 Double Strand Break Repair Protein) • RAD51D (RAD51 paralog D) • BARD1 (BRCA1 Associated RING Domain 1) • FANCI (FA Complementation Group I) • FANCB (FA Complementation Group B)
    almost2years
    Clinical actionability of BRCA2 alterations in uterine leiomyosarcoma: a molecular tumor board case report and a cBioPortal comprehensive analysis. (PubMed, Oncologist)
    uLMS displays a significant frequency of somatic BRCA2alt homDel. Considering their dismal prognosis, further investigation is warranted to test the use of PARPi in uLMS, and particularly in the setting of BRCA1/2 alterations.
    Journal • BRCA Biomarker • PARP Biomarker
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    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • PALB2 (Partner and localizer of BRCA2) • CHEK2 (Checkpoint kinase 2) • FANCA (FA Complementation Group A) • BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1) • RAD51C (RAD51 paralog C) • RAD50 (RAD50 Double Strand Break Repair Protein) • RAD51D (RAD51 paralog D) • CHEK1 (Checkpoint kinase 1) • BARD1 (BRCA1 Associated RING Domain 1) • NBN (Nibrin Nijmegen Breakage Syndrome 1 (Nibrin)) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C)
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    BRCA2 mutation
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    Zejula (niraparib)
    2years
    TRIUMPH: Trial of Rucaparib in Patients With Metastatic Hormone-Sensitive Prostate Cancer Harboring Germline DNA Repair Gene Mutations (clinicaltrials.gov)
    P2, N=30, Active, not recruiting, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Recruiting --> Active, not recruiting
    Enrollment closed
    |
    BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • ATM (ATM serine/threonine kinase) • CHEK2 (Checkpoint kinase 2) • FANCA (FA Complementation Group A) • RAD51C (RAD51 paralog C) • RAD50 (RAD50 Double Strand Break Repair Protein) • RAD51D (RAD51 paralog D) • NBN (Nibrin Nijmegen Breakage Syndrome 1 (Nibrin)) • FANCF (FA complementation group F) • FANCL (FA Complementation Group L) • FANCI (FA Complementation Group I) • FANCM (FA Complementation Group M) • FANCD2 (FA Complementation Group D2) • FANCE (FA Complementation Group E) • FANCG (FA Complementation Group G) • FANCB (FA Complementation Group B) • FANCC (FA Complementation Group C)
    |
    CHEK2 mutation • RAD51C mutation • FANCA mutation • RAD51D mutation • RAD50 mutation • FANCF mutation • NBN mutation • FANCG mutation • FANCI mutation • FANCM mutation
    |
    Rubraca (rucaparib)
    2years
    Analysis and Validation of Critical Signatures and Immune Cell Infiltration Characteristics in Doxorubicin-Induced Cardiotoxicity by Integrating Bioinformatics and Machine Learning. (PubMed, J Inflamm Res)
    Our study suggested that the differential expression of CSGALNACT1, ZNF296 and FANCB is associated with cardiotoxicity and is also involved in immune cell infiltration in DIC. They might be potential biomarkers for the early occurrence of DIC.
    Journal • Machine learning • Immune cell
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    EP300 (E1A binding protein p300) • FOXA1 (Forkhead Box A1) • FLI1 (Fli-1 Proto-Oncogene ETS Transcription Factor) • CREB1 (CAMP Responsive Element Binding Protein 1) • FANCB (FA Complementation Group B)
    |
    doxorubicin hydrochloride