All Outputs (244)

Prognostic significance of androgen receptor expression in invasive breast cancer: transcriptomic and protein expression analysis (2016)
Journal Article
Aleskandarany, M. A., Abduljabbar, R., Ashankyty, I., Elmouna, A., Jerjees, D., Ali, S., Buluwela, L., Diez-Rodriguez, M., Caldas, C., Green, A. R., Ellis, I. O., & Rakha, E. A. (2016). Prognostic significance of androgen receptor expression in invasive breast cancer: transcriptomic and protein expression analysis. Breast Cancer Research and Treatment, 159(2), 215-227. https://doi.org/10.1007/s10549-016-3934-5

Differential prognostic roles of Androgen Receptor (AR) have been proposed in breast cancer (BC) depending on tumour oestrogen receptor (ER) status. This study aimed to evaluate the prognostic and/or predictive significance of AR expression in invasi... Read More about Prognostic significance of androgen receptor expression in invasive breast cancer: transcriptomic and protein expression analysis.

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.

Impact of intratumoural heterogeneity on the assessment of Ki67 expression in breast cancer (2016)
Journal Article
Aleskandarany, M. A., Green, A. R., Ashankyty, I., Elmouna, A., Diez-Rodriguez, M., Nolan, C. C., Ellis, I. O., & Rakha, E. (in press). Impact of intratumoural heterogeneity on the assessment of Ki67 expression in breast cancer. Breast Cancer Research and Treatment, 158(2), https://doi.org/10.1007/s10549-016-3893-x

In breast cancer (BC), the prognostic value of Ki67 expression is well-documented. Intratumoural heterogeneity (ITH) of Ki67 expression is amongst the several technical issues behind the lag of its inclusion into BC prognostic work-up. The immunohist... Read More about Impact of intratumoural heterogeneity on the assessment of Ki67 expression in breast cancer.

Overexpression of specific CD44 isoforms is associated with aggressive cell features in acquired endocrine resistance (2016)
Journal Article
Bellerby, R., Smith, C., Kyme, S., Gee, J., Günthert, U., Green, A., Rakha, E., Barrett-Lee, P., & Hiscox, S. (2016). Overexpression of specific CD44 isoforms is associated with aggressive cell features in acquired endocrine resistance. Frontiers in Oncology, 6, Article 145. https://doi.org/10.3389/fonc.2016.00145

While endocrine therapy is the mainstay of ER+ breast cancer, the clinical effectiveness of these agents is limited by the phenomenon of acquired resistance that is associated with disease relapse and poor prognosis. Our previous studies revealed tha... Read More about Overexpression of specific CD44 isoforms is associated with aggressive cell features in acquired endocrine resistance.

SPAG5 as a prognostic biomarker and chemotherapy sensitivity predictor in breast cancer: a retrospective, integrated genomic, transcriptomic, and protein analysis (2016)
Journal Article
Abdel-Fatah, T. M., Agarwal, D., Liu, D.-X., Russell, R., Rueda, O. M., Liu, K., Xu, B., Moseley, P. M., Green, A. R., Pockley, A. G., Rees, R. C., Caldas, C., Ellis, I. O., Ball, G. R., & Chan, S. Y. (2016). SPAG5 as a prognostic biomarker and chemotherapy sensitivity predictor in breast cancer: a retrospective, integrated genomic, transcriptomic, and protein analysis. Lancet Oncology, 17(7), 1004-1018. https://doi.org/10.1016/S1470-2045%2816%2900174-1

Background

Proliferation markers and profiles have been recommended for guiding the choice of systemic treatments for breast cancer. However, the best molecular marker or test to use has not yet been identified. We did this study to identify facto... Read More about SPAG5 as a prognostic biomarker and chemotherapy sensitivity predictor in breast cancer: a retrospective, integrated genomic, transcriptomic, and protein analysis.

The somatic mutation profiles of 2,433 breast cancers refines their genomic and transcriptomic landscapes (2016)
Journal Article
Pereira, B., Chin, S.-F., Rueda, O. M., Vollan, H.-K. M., Provenzano, E., Bardwell, H. A., Pugh, M., Jones, L., Russell, R., Sammut, S.-J., Tsui, D. W., Liu, B., Dawson, S.-J., Abraham, J., Northen, H., Peden, J. F., Mukherjee, A., Turashvili, G., Green, A. R., McKinney, S., …Caldas, C. (in press). The somatic mutation profiles of 2,433 breast cancers refines their genomic and transcriptomic landscapes. Nature Communications, 7, Article 11479. https://doi.org/10.1038/ncomms11479

The genomic landscape of breast cancer is complex, and inter- and intra-tumour heterogeneity are important challenges in treating the disease. In this study, we sequence 173 genes in 2,433 primary breast tumours that have copy number aberration (CNA)... Read More about The somatic mutation profiles of 2,433 breast cancers refines their genomic and transcriptomic landscapes.

Nottingham prognostic index plus (NPI+) predicts risk of distant metastases in primary breast cancer (2016)
Journal Article
Green, A. R., Soria, D., Powe, D. G., Nolan, C. C., Aleskandarany, M. A., Szász, M., Tőkés, A., Ball, G., Garibaldi, J. M., Rakha, E., Kulka, J., & Ellis, I. O. (2016). Nottingham prognostic index plus (NPI+) predicts risk of distant metastases in primary breast cancer. Breast Cancer Research and Treatment, 157(1), 65-75. https://doi.org/10.1007/s10549-016-3804-1

The Nottingham prognostic index plus (NPI+) is based on the assessment of biological class combined with established clinicopathologic prognostic variables providing improved patient outcome stratification for breast cancer superior to the traditiona... Read More about Nottingham prognostic index plus (NPI+) predicts risk of distant metastases in primary breast cancer.

MYC functions are specific in biological subtypes of breast cancer and confers resistance to endocrine therapy in luminal tumours (2016)
Journal Article
Green, A. R., Aleskandarany, M. A., Agarwal, D., Elsheikh, S., Nolan, C. C., Diez-Rodriguez, M., Macmillan, R. D., Ball, G. R., Caldas, C., Madhusudan, S., Ellis, I. O., & Rakha, E. A. (2016). MYC functions are specific in biological subtypes of breast cancer and confers resistance to endocrine therapy in luminal tumours. British Journal of Cancer, 114(8), 917-928. https://doi.org/10.1038/bjc.2016.46

Background:

MYC is amplified in approximately 15% of breast cancers (BCs) and is associated with poor outcome. c-MYC protein is multi-faceted and participates in many aspects of cellular function and is linked with therapeutic response in BCs. We... Read More about MYC functions are specific in biological subtypes of breast cancer and confers resistance to endocrine therapy in luminal tumours.

The prognostic significance of STAT3 in invasive breast cancer: analysis of protein and mRNA expressions in large cohorts (2016)
Journal Article
Aleskandarany, M. A., Agarwal, D., Negm, O. H., Ball, G., Elmouna, A., Ashankyty, I., Nuglozeh, E., Fazaludeen, M. F., Diez-Rodriguez, M., Nolan, C. C., Tighe, P. J., Green, A. R., Ellis, I. O., & Rakha, E. A. (2016). The prognostic significance of STAT3 in invasive breast cancer: analysis of protein and mRNA expressions in large cohorts. Breast Cancer Research and Treatment, 156(1), 9-20. https://doi.org/10.1007/s10549-016-3709-z

Signal transducer and activator of transcription (STAT) transcription factors family are involved in diverse cellular biological functions. Reports regarding the prognostic impact of STAT3 expression in breast cancer (BC) are variable whether being a... Read More about The prognostic significance of STAT3 in invasive breast cancer: analysis of protein and mRNA expressions in large cohorts.

RECQL4 helicase has oncogenic potential in sporadic breast cancers (2016)
Journal Article
Arora, A., Agarwal, D., Abdel-Fatah, T. M., Lu, H., Croteau, D. L., Moseley, P., Aleskandarany, M. A., Green, A. R., Ball, G., Rakha, E. A., Chan, S. Y., Ellis, I. O., Wang, L. L., Zhao, Y., Balajee, A. S., Bohr, V. A., & Madhusudan, S. (2016). RECQL4 helicase has oncogenic potential in sporadic breast cancers. Journal of Pathology, 238(4), 495-501. https://doi.org/10.1002/path.4681

RECQL4 helicase is a molecular motor that unwinds DNA, a process essential during DNA replication and DNA repair. Germ-line mutations in RECQL4 cause type II Rothmund–Thomson syndrome (RTS), characterized by a premature ageing phenotype and cancer pr... Read More about RECQL4 helicase has oncogenic potential in sporadic breast cancers.

Bimodality of intratumor Ki67 expression is an independent prognostic factor of overall survival in patients with invasive breast carcinoma (2016)
Journal Article
Laurinavicius, A., Plancoulaine, B., Rasmusson, A., Besusparis, J., Augulis, R., Meskauskas, R., Herlin, P., Laurinaviciene, A., Abdelhadi Muftah, A. A., Miligy, I., Aleskandarany, M., Rakha, E. A., Green, A. R., & Ellis, I. O. (2016). Bimodality of intratumor Ki67 expression is an independent prognostic factor of overall survival in patients with invasive breast carcinoma. Virchows Archiv, 468(4), 493-502. https://doi.org/10.1007/s00428-016-1907-z

Proliferative activity, assessed by Ki67 immunohistochemistry (IHC), is an established prognostic and predictive biomarker of breast cancer (BC). However, it remains under-utilized due to lack of standardized robust measurement methodologies and sign... Read More about Bimodality of intratumor Ki67 expression is an independent prognostic factor of overall survival in patients with invasive breast carcinoma.

ELF5 drives lung metastasis in luminal breast cancer through recruitment of Gr1+ CD11b+ myeloid-derived suppressor cells (2015)
Journal Article
Gallego-Ortega, D., Ledger, A., Roden, D. L., Law, A. M., Magenau, A., Kikhtyak, Z., Cho, C., Allerdice, S. L., Lee, H. J., Valdes-Mora, F., Herrmann, D., Salomon, R., Young, A. I., Lee, B. Y., Marcelo Sergio, C., Kaplan, W., Piggin, C., Conway, J. R., Rabinovich, B., Millar, E. K., …Ormandy, C. J. (2015). ELF5 drives lung metastasis in luminal breast cancer through recruitment of Gr1+ CD11b+ myeloid-derived suppressor cells. PLoS Biology, 13(12), Article e1002330. https://doi.org/10.1371/journal.pbio.1002330

During pregnancy, the ETS transcription factor ELF5 establishes the milk-secreting alveolar cell lineage by driving a cell fate decision of the mammary luminal progenitor cell. In breast cancer, ELF5 is a key transcriptional determinant of tumor subt... Read More about ELF5 drives lung metastasis in luminal breast cancer through recruitment of Gr1+ CD11b+ myeloid-derived suppressor cells.

Clinical utility of reverse phase protein array for molecular classification of breast cancer (2015)
Journal Article
Negm, O. H., Muftah, A. A., Aleskandarany, M. A., Hamed, M. R., Ahmad, D. A., Nolan, C. C., Diez-Rodriguez, M., Tighe, P. J., Ellis, I. O., Rakha, E. A., & Green, A. R. (2016). Clinical utility of reverse phase protein array for molecular classification of breast cancer. Breast Cancer Research and Treatment, 155(1), 25-35. https://doi.org/10.1007/s10549-015-3654-2

Reverse Phase Protein Array (RPPA) represents a sensitive and high-throughput technique allowing simultaneous quantitation of protein expression levels in biological samples. This study aimed to confirm the ability of RPPA to classify archival formal... Read More about Clinical utility of reverse phase protein array for molecular classification of breast cancer.

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.

Nottingham Prognostic Index Plus: validation of a clinical decision making tool in breast cancer in an independent series (2015)
Journal Article
Green, A. R., Soria, D., Stephen, J., Powe, D. G., Nolan, C. C., Kunkler, I., Thomas, J., Kerr, G. R., Jack, W., Cameron, D., Piper, T., Ball, G. R., Garibaldi, J. M., Rakha, E., Bartlett, J. M., & Ellis, I. O. (2016). Nottingham Prognostic Index Plus: validation of a clinical decision making tool in breast cancer in an independent series. Journal of Pathology: Clinical Research, 2, https://doi.org/10.1002/cjp2.32

The Nottingham Prognostic Index Plus (NPI+)is a clinical decision making tool in breast cancer (BC) that aims to provide improved patient outcome stratification superior to the traditional NPI. This study aimed to validate the NPI+ in an independent... Read More about Nottingham Prognostic Index Plus: validation of a clinical decision making tool in breast cancer in an independent series.

Ki67/SATB1 ratio is an independent prognostic factor of overall survival in patients with early hormone receptor-positive invasive ductal breast carcinoma (2015)
Journal Article
Laurinavicius, A., Green, A. R., Laurinaviciene, A., Smailyte, G., Ostapenko, V., Meskauskas, R., & Ellis, I. O. (2015). Ki67/SATB1 ratio is an independent prognostic factor of overall survival in patients with early hormone receptor-positive invasive ductal breast carcinoma. Oncotarget, 6(38), 41134-41145. https://doi.org/10.18632/oncotarget.5838

Biological diversity of breast cancer presents challenges for personalized therapy and necessitates multiparametric approaches to understand and manage the disease. Multiple protein biomarkers tested by immunohistochemistry (IHC), followed by digital... Read More about Ki67/SATB1 ratio is an independent prognostic factor of overall survival in patients with early hormone receptor-positive invasive ductal breast carcinoma.

Chk1 phosphorylated at serine345 is a predictor of early local recurrence and radio-resistance in breast cancer (2015)
Journal Article
Alsubhi, N., Middleton, F., Abdel-Fatah, T. M., Stephens, P., Doherty, R., Arora, A., Moseley, P. M., Chan, S. Y., Aleskandarany, M. A., Green, A. R., Rakha, E. A., Ellis, I. O., MARTIN, S., Curtin, N. J., & Madhusudan, S. (2016). Chk1 phosphorylated at serine345 is a predictor of early local recurrence and radio-resistance in breast cancer. Molecular Oncology, 10(2), 213-223. https://doi.org/10.1016/j.molonc.2015.09.009

Radiation‐induced DNA damage activates the DNA damage response (DDR). DDR up‐regulation may predict radio‐resistance and increase the risk of early local recurrence despite radiotherapy in early stage breast cancers. In 1755 early stage breast cancer... Read More about Chk1 phosphorylated at serine345 is a predictor of early local recurrence and radio-resistance in breast cancer.

PKC? attenuates jagged-1-mediated notch signaling in ErbB-2-positive breast cancer to reverse trastuzumab resistance (2015)
Journal Article
Pandya, K., Wyatt, D., Gallagher, B., Shah, D., Baker, A., Bloodworth, J., Zlobin, A., Pannuti, A., Green, A., Ellis, I. O., Filipovic, A., Sagert, J., Rana, A., Albain, K. S., Miele, L., Denning, M. F., & Osipo, C. (2016). PKCα attenuates jagged-1-mediated notch signaling in ErbB-2-positive breast cancer to reverse trastuzumab resistance. Clinical Cancer Research, 22(1), 175-186. https://doi.org/10.1158/1078-0432.CCR-15-0179

Purpose: Breast cancer is the second leading cause of cancer mortality among women worldwide. The major problem with current treatments is tumor resistance, recurrence, and disease progression. ErbB-2–positive breast tumors are aggressive and frequen... Read More about PKC? attenuates jagged-1-mediated notch signaling in ErbB-2-positive breast cancer to reverse trastuzumab resistance.

Construction of tissue microarrays from core needle biopsies: a systematic literature review (2015)
Journal Article
Albanghali, M., Green, A., Rakha, E., Aleskandarany, M., Nolan, C., Ellis, I., & Cheung, K.-L. (2016). Construction of tissue microarrays from core needle biopsies: a systematic literature review. Histopathology, 68(3), 323-332. https://doi.org/10.1111/his.12802

In some clinical circumstances, core needle biopsy (CNB) may be the only source of material from cancer tissue for diagnostic use. The volume of tissue available in a CNB is low, and opportunities for research use can therefore be limited. The tissue... Read More about Construction of tissue microarrays from core needle biopsies: a systematic literature review.

HAGE in triple-negative breast cancer is a novel prognostic, predictive, and actionable biomarker: a transcriptomic and protein expression analysis (2015)
Journal Article
Abdel-Fatah, T. M., McArdle, S. E., Agarwal, D., Moseley, P. M., Green, A. R., Ball, G. R., Graham Pockley, A., Ellis, I. O., Rees, R. C., & Chan, S. Y. (2015). HAGE in triple-negative breast cancer is a novel prognostic, predictive, and actionable biomarker: a transcriptomic and protein expression analysis. Clinical Cancer Research, 22(4), 905-914. https://doi.org/10.1158/1078-0432.CCR-15-0610