Outputs (12)

The characteristics and prognostic significance of histone H1 expression in breast cancer (2024)
Journal Article
Lashen, A. G., Almalki, N., Toss, M., Mirza, S., Malki, M. I., Rutland, C. S., Jeyapalan, J. N., Green, A. R., Mongan, N. P., Madhusudan, S., & Rakha, E. A. (2024). The characteristics and prognostic significance of histone H1 expression in breast cancer. Pathology, 56(6), 826-833. https://doi.org/10.1016/j.pathol.2024.03.012

Histone H1 (H.H1) is involved in chromatin organisation and gene regulation and is overexpressed in many malignant tumours, including breast cancer (BC). This study proposed and evaluated the prognostic role of H.H1 expression in BC.

H.H1 mRNA exp... Read More about The characteristics and prognostic significance of histone H1 expression in breast cancer.

Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy (2018)
Journal Article
Al-Subhi, N., Ali, R., Abdel-Fatah, T., Moseley, P. M., Chan, S. Y., Green, A. R., Ellis, I. O., Rakha, E., & Madhusudan, S. (2018). Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy. Breast Cancer Research and Treatment, 169(2), 277–286. https://doi.org/10.1007/s10549-018-4683-4

Purpose: PTEN, a negative regulator of PI3K signaling, is involved in DNA repair. ATR is a key sensor of DNA damage and replication stress. We evaluated whether ATR signaling has clinical significance and could be targeted by synthetic lethality in P... Read More about Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy.

Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer (2017)
Journal Article
Naidoo, K., Wai, P. T., Maguire, S. L., Daley, F., Haider, S., Kriplani, D., Campbell, J., Mirza, H., Grigoriadis, A., Tutt, A., Moseley, P. M., Abdel-Fatah, T. M., Chan, S. Y., Madhusudan, S., Rhaka, E. A., Ellis, I. O., Lord, C. J., Yuan, Y., Green, A. R., & Natrajan, R. (2018). Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer. Molecular Cancer Therapeutics, 17(1), 306-315. https://doi.org/10.1158/1535-7163.mct-17-0760

Disruption of Cyclin-Dependent Kinase 12 (CDK12) is known to lead to defects in DNA repair and sensitivity to platinum salts and PARP1/2 inhibitors. However, CDK12 has also been proposed as an oncogene in breast cancer. We therefore aimed to assess t... Read More about Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer.

Clinical and biological significance of RAD51 expression in breast cancer: a key DNA damage response protein (2016)
Journal Article
Alshareeda, A., Negm, O. H., Aleskandarany, M. A., Green, A. R., Nolan, C., Tighe, P. J., Madhusudan, S., Ellis, I. O., & Rakha, E. (2016). Clinical and biological significance of RAD51 expression in breast cancer: a key DNA damage response protein. Breast Cancer Research and Treatment, 159(1), 41-53. https://doi.org/10.1007/s10549-016-3915-8

Impaired DNA damage response (DDR) may play a fundamental role in the pathogenesis of breast cancer (BC). RAD51 is a key player in DNA double-strand break repair. In this study, we aimed to assess the biological and clinical significance of RAD51 exp... Read More about Clinical and biological significance of RAD51 expression in breast cancer: a key DNA damage response protein.

Clinicopathological and prognostic significance of RECQL5 helicase expression in breast cancers (2015)
Journal Article
Arora, A., Abdel-Fatah, T. M., Agarwal, D., Doherty, R., Croteau, D. L., Moseley, P. M., Hameed, K., Green, A., Aleskandarany, M. A., Patterson, K., Rakha, E. A., Ball, G., Chan, S. Y., Ellis, I. O., Bohr, V. A., Bryant, H. E., & Madhusudan, S. (2016). Clinicopathological and prognostic significance of RECQL5 helicase expression in breast cancers. Carcinogenesis, 37(1), 63-71. https://doi.org/10.1093/carcin/bgv163

RECQL5 is a member of the RecQ family of DNA helicases and has key roles in homologous recombination, base excision repair, replication and transcription. The clinicopathological significance of RECQL5 expression in breast cancer is unknown. In this... Read More about Clinicopathological and prognostic significance of RECQL5 helicase expression in breast cancers.

DNA repair prognostic index modelling reveals an essential role for base excision repair in influencing clinical outcomes in ER negative and triple negative breast cancers (2015)
Journal Article
Abdel-Fatah, T. M., Arora, A., Moseley, P. M., Perry, C., Rakha, E. A., Green, A. R., Chan, S. Y., Ellis, I. O., & Madhusudan, S. (2015). DNA repair prognostic index modelling reveals an essential role for base excision repair in influencing clinical outcomes in ER negative and triple negative breast cancers. Oncotarget, 6(26), 21964-21978. https://doi.org/10.18632/oncotarget.4157

Stratification of oestrogen receptor (ER) negative and triple negative breast cancers (TNBCs) is urgently needed. In the current study, a cohort of 880 ER- (including 635 TNBCs) was immuno-profiled for a panel of DNA repair proteins including: Pol β,... Read More about DNA repair prognostic index modelling reveals an essential role for base excision repair in influencing clinical outcomes in ER negative and triple negative breast cancers.

KPNA2 is a nuclear export protein that contributes to aberrant localisation of key proteins and poor prognosis of breast cancer (2015)
Journal Article
Alshareeda, A., Negm, O., Green, A., Nolan, C., Tighe, P., Albarakati, N., Sultana, R., Madhusudan, S., Ellis, I., & Rakha, E. (2015). KPNA2 is a nuclear export protein that contributes to aberrant localisation of key proteins and poor prognosis of breast cancer. British Journal of Cancer, 112(12), 1929–1937. https://doi.org/10.1038/bjc.2015.165

Background: It is recognised that modulations of the nuclear import of macromolecules have a role in changing cellular phenotypes and carcinogenesis. We and others have noticed that aberrant subcellular localisation of DNA damage response (DDR) prote... Read More about KPNA2 is a nuclear export protein that contributes to aberrant localisation of key proteins and poor prognosis of breast cancer.

Clinicopathological significance of ATM-Chk2 expression in sporadic breast cancers: a comprehensive analysis in large cohorts (2014)
Journal Article
Abdel-Fatah, T. M., Arora, A., Alsubhi, N., Agarwal, D., Moseley, P. M., Perry, C., Doherty, R., Chan, S. Y., Green, A. R., Rakha, E., Ball, G., Ellis, I. O., & Madhusudan, S. (2014). Clinicopathological significance of ATM-Chk2 expression in sporadic breast cancers: a comprehensive analysis in large cohorts. Neoplasia, 16(11), 982-991. https://doi.org/10.1016/j.neo.2014.09.009

ATM-Chk2 network is critical for genomic stability, and its deregulation may influence breast cancer pathogenesis. We investigated ATM and Chk2 protein levels in two cohorts [cohort 1 (n = 1650) and cohort 2 (n = 252)]. ATM and Chk2 mRNA expression w... Read More about Clinicopathological significance of ATM-Chk2 expression in sporadic breast cancers: a comprehensive analysis in large cohorts.

Untangling the ATR-CHEK1 network for prognostication, prediction and therapeutic target validation in breast cancer (2014)
Journal Article
Abdel-Fatah, T. M., Middleton, F. K., Arora, A., Agarwal, D., Chen, T., Moseley, P. M., Perry, C., Doherty, R., Chan, S., Green, A. R., Rakha, E., Ball, G., Ellis, I. O., Curtin, N. J., & Madhusudan, S. (2015). Untangling the ATR-CHEK1 network for prognostication, prediction and therapeutic target validation in breast cancer. Molecular Oncology, 9(3), 569-585. https://doi.org/10.1016/j.molonc.2014.10.013

ATR‐CHEK1 signalling is critical for genomic stability. ATR‐CHEK1 signalling may be deregulated in breast cancer and have prognostic, predictive and therapeutic significance. We investigated ATR, CHEK1 and phosphorylated CHEK1 Ser345 protein (pCHEK1)... Read More about Untangling the ATR-CHEK1 network for prognostication, prediction and therapeutic target validation in breast cancer.

Is there a role for base excision repair in estrogen/estrogen receptor-driven breast cancers? (2014)
Journal Article
Abdel-Fatah, T. M., Perry, C., Arora, A., Thompson, N., Doherty, R., Moseley, P. M., Green, A. R., Chan, S. Y., Ellis, I. O., & Madhusudan, S. (2014). Is there a role for base excision repair in estrogen/estrogen receptor-driven breast cancers?. Antioxidants and Redox Signaling, 21(16), 2262-2268. https://doi.org/10.1089/ars.2014.6077

Estrogen and estrogen metabolite-induced reactive oxygen species generation can promote oxidative DNA base damage. If unrepaired, base damaging lesions could accelerate mutagenesis, leading to a “mutator phenotype” characterized by aggressive behavio... Read More about Is there a role for base excision repair in estrogen/estrogen receptor-driven breast cancers?.

Targeting BRCA1-BER deficient breast cancer by ATM or DNA-PKcs blockade either alone or in combination with cisplatin for personalized therapy (2014)
Journal Article
Albarakati, N., Abdel-Fatah, T. M., Doherty, R., Russell, R., Agarwal, D., Moseley, P., Perry, C., Arora, A., Alsubhi, N., Seedhouse, C., Rakha, E. A., Green, A., Ball, G., Chan, S., Caldas, C., Ellis, I. O., & Madhusudan, S. (2015). Targeting BRCA1-BER deficient breast cancer by ATM or DNA-PKcs blockade either alone or in combination with cisplatin for personalized therapy. Molecular Oncology, 9(1), 204-217. https://doi.org/10.1016/j.molonc.2014.08.001

BRCA1, a key factor in homologous recombination (HR) repair may also regulate base excision repair (BER). Targeting BRCA1‐BER deficient cells by blockade of ATM and DNA‐PKcs could be a promising strategy in breast cancer. We investigated BRCA1, XRCC1... Read More about Targeting BRCA1-BER deficient breast cancer by ATM or DNA-PKcs blockade either alone or in combination with cisplatin for personalized therapy.

Adverse prognostic and predictive significance of low DNA-dependent protein kinase catalytic subunit (DNA-PKcs) expression in early-stage breast cancers (2014)
Journal Article
Abdel-Fatah, T., Arora, A., Agarwal, D., Moseley, P., Perry, C., Thompson, N., Green, A. R., Rakha, E., Chan, S., Ball, G., Ellis, I. O., & Madhusudan, S. (2014). Adverse prognostic and predictive significance of low DNA-dependent protein kinase catalytic subunit (DNA-PKcs) expression in early-stage breast cancers. Breast Cancer Research and Treatment, 146(2), 309-320. https://doi.org/10.1007/s10549-014-3035-2

DNA-dependent protein kinase catalytic subunit (DNA-PKcs), a serine threonine kinase belonging to the PIKK family (phosphoinositide 3-kinase-like-family of protein kinase), is a critical component of the non-homologous end-joining pathway required fo... Read More about Adverse prognostic and predictive significance of low DNA-dependent protein kinase catalytic subunit (DNA-PKcs) expression in early-stage breast cancers.