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Prognostic stratification of oestrogen receptor-positive HER2-negative lymph node-negative class of breast cancer (2016)
Journal Article
Rakha, E. A., Agarwal, D., Green, A. R., Ashankyty, I., Ellis, I. O., Ball, G., & Alaskandarany, M. A. (2017). Prognostic stratification of oestrogen receptor-positive HER2-negative lymph node-negative class of breast cancer. Histopathology, 70(4), 622-631. doi:10.1111/his.13108

Aims Multigene assay is recommended currently for prognostic stratification of the clinically indeterminate group of breast cancer (BC) patients defined as lymph node (LN)‐negative, oestrogen receptor (ER)‐positive, HER2‐negative (LN−/ER+/HER2−) t... Read More about Prognostic stratification of oestrogen receptor-positive HER2-negative lymph node-negative class of breast cancer.

Diagnostic concordance of breast pathologists: lessons from the National Health Service Breast Screening Programme Pathology External Quality Assurance Scheme (2016)
Journal Article
Rakha, E. A., Ahmed, M. A., Aleskandarany, M. A., Hodi, Z., Lee, A. H. S., Pinder, S. E., & Ellis, I. O. (2017). Diagnostic concordance of breast pathologists: lessons from the National Health Service Breast Screening Programme Pathology External Quality Assurance Scheme. Histopathology, 70(4), 632-642. doi:10.1111/his.13117

Clinicopathological and functional significance of RECQL1 helicase in sporadic breast cancers (2016)
Journal Article
Arora, A., Parvathaneni, S., Aleskandarany, M. A., Agarwal, D., Ali, R., Abdel-Fatah, T., …Madhusudan, S. (2017). Clinicopathological and functional significance of RECQL1 helicase in sporadic breast cancers. Molecular Cancer Therapeutics, 16(1), doi:10.1158/1535-7163.MCT-16-0290

RECQL1, a key member of the RecQ family of DNA helicases, is required for DNA replication and DNA repair. Two recent studies have shown that germline RECQL1 mutations are associated with increased breast cancer susceptibility. Whether altered RECQL1... Read More about Clinicopathological and functional significance of RECQL1 helicase in sporadic breast cancers.

Breast conservation in ductal carcinoma in situ (DCIS): what defines optimal margins? (2016)
Journal Article
Toss, M. S., Pinder, S. E., Green, A. R., Thomas, J., Morgan, D. A., Robertson, J. F., …Rakha, E. A. (2017). Breast conservation in ductal carcinoma in situ (DCIS): what defines optimal margins?. Histopathology, 70(5), 681-692. doi:10.1111/his.13116

The introduction of mammographic screening has resulted in a rise in the detection rate of ductal carcinoma in situ (DCIS), currently accounting for one‐fifth of screen‐detected breast cancers. Although 60–70% of DCIS are treated with breast‐conservi... Read More about Breast conservation in ductal carcinoma in situ (DCIS): what defines optimal margins?.

Clinicopathological and molecular characteristics of Ku 70/80 expression in Nigerian breast cancer and its potential therapeutic implications (2016)
Journal Article
Agboola, A. O., Ebili, H. O., Iyawe, V. O., Banjo, A. A., Salami, B. A., Rakha, E. A., …Green, A. R. (2017). Clinicopathological and molecular characteristics of Ku 70/80 expression in Nigerian breast cancer and its potential therapeutic implications. Pathology - Research and Practice, 213(1), 27-33. doi:10.1016/j.prp.2016.10.005

Ku 70/80 is a regulator of the Non-Homologous End Joining (NHEJ) roles in clinicopathological features, and has prognostic significance in breast cancer (BC) in Caucasian populations. However, its significance in the Nigerian BC population, which is... Read More about Clinicopathological and molecular characteristics of Ku 70/80 expression in Nigerian breast cancer and its potential therapeutic implications.

Further evidence to support bimodality of oestrogen receptor expression in breast cancer (2016)
Journal Article
Muftah, A. A., Aleskandarany, M., Sonbul, S. N., Nolan, C. C., Diez Rodriguez, M., Caldas, C., …Rakha, E. A. (2017). Further evidence to support bimodality of oestrogen receptor expression in breast cancer. Histopathology, 70(3), 456-465. doi:10.1111/his.13089

Aims: Although oestrogen receptor (ER)‐negative breast cancers (BCs) do not respond to hormone therapy, the response of ER‐positive BCs is reported to be variable, which may suggest a dose‐dependent effect. The aim of this study was to assess the pat... Read More about Further evidence to support bimodality of oestrogen receptor expression in breast cancer.

Impact of tissue sampling on accuracy of Ki67 immunohistochemistry evaluation in breast cancer (2016)
Journal Article
Besusparis, J., Plancoulaine, B., Rasmusson, A., Augulis, R., Green, A. R., Ellis, I. O., …Laurinavicius, A. (2016). Impact of tissue sampling on accuracy of Ki67 immunohistochemistry evaluation in breast cancer. Diagnostic Pathology, 11(1), doi:10.1186/s13000-016-0525-z

Background: Gene expression studies have identified molecular subtypes of breast cancer with implications to chemotherapy recommendations. For distinction of these types, a combination of immunohistochemistry (IHC) markers, including proliferative ac... Read More about Impact of tissue sampling on accuracy of Ki67 immunohistochemistry evaluation in breast cancer.

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., …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. doi: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.

Papillary carcinoma of the breast: diagnostic agreement and management implications (2016)
Journal Article
Rakha, E. A., Ahmed, M. A., & Ellis, I. O. (2016). Papillary carcinoma of the breast: diagnostic agreement and management implications. Histopathology, 69(5), 862-870. doi:10.1111/his.13009

Aims Papillary carcinoma (PC), which is a rare type of breast cancer, comprises a heterogeneous group of tumours. The diagnostic categorization of PC as in‐situ and invasive disease remains a matter of debate with respect to interpretation of its ov... Read More about Papillary carcinoma of the breast: diagnostic agreement and management implications.

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., Russell, R., Rueda, O. M., Liu, K., …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. doi:10.1016/S1470-2045(16)00174-1

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 factors... 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., Rueda, O. M., Vollan, H. M., Provenzano, E., Bardwell, H. A., …Caldas, C. (in press). The somatic mutation profiles of 2,433 breast cancers refines their genomic and transcriptomic landscapes. Nature Communications, 7, doi: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.

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., …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. doi: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.

Camptothecin targets WRN protein: mechanism and relevance in clinical breast cancer (2016)
Journal Article
Shamanna, R. A., Lu, H., Croteau, D. L., Arora, A., Agarwal, D., Ball, G., …Bohr, V. A. (2016). Camptothecin targets WRN protein: mechanism and relevance in clinical breast cancer. Oncotarget, 7(12), 13269-13284. doi:10.18632/oncotarget.7906

Werner syndrome protein (WRN) is a RecQ helicase that participates in DNA repair, genome stability and cellular senescence. The five human RecQ helicases, RECQL1, Bloom, WRN, RECQL4 and RECQL5 play critical roles in DNA repair and cell survival after... Read More about Camptothecin targets WRN protein: mechanism and relevance in clinical breast cancer.

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., …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. doi: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., …Madhusudan, S. (2016). RECQL4 helicase has oncogenic potential in sporadic breast cancers. Journal of Pathology, 238(4), doi: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., …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. doi: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.

Human epidermal growth factor receptor 2 testing in invasive breast cancer: should histological grade, type and oestrogen receptor status influence the decision to repeat testing? (2016)
Journal Article
Rakha, E. A., Pigera, M., Shin, S. J., D'Alfonso, T., Ellis, I. O., & Lee, A. H. S. (2016). Human epidermal growth factor receptor 2 testing in invasive breast cancer: should histological grade, type and oestrogen receptor status influence the decision to repeat testing?. Histopathology, 69(1), 20-24. doi:10.1111/his.12900

Aims The recent American Society of Clinical Oncology/College of American Pathologists guidelines for human epidermal growth factor receptor 2 (HER2) testing in breast cancer recommend repeat testing based on tumour grade, tumour type, and hormone... Read More about Human epidermal growth factor receptor 2 testing in invasive breast cancer: should histological grade, type and oestrogen receptor status influence the decision to repeat testing?.

Infiltrating epitheliosis of the breast: characterization of histological features, immunophenotype and genomic profile (2016)
Journal Article
Eberle, C. A., Piscuoglio, S., Rakha, E. A., Ng, C. K. Y., Geyer, F. C., Edelweiss, M., …Ellis, I. O. (2016). Infiltrating epitheliosis of the breast: characterization of histological features, immunophenotype and genomic profile. Histopathology, 68(7), 1030-1039. doi:10.1111/his.12897

Aims Infiltrating epitheliosis is a rare complex sclerosing lesion (CSL) of the breast, characterized by infiltrating ducts immersed in a scleroelastotic stroma and filled with cells having architectural and cytological patterns reminiscent of tho... Read More about Infiltrating epitheliosis of the breast: characterization of histological features, immunophenotype and genomic profile.