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All Outputs (18)

Characterisation of luminal and triple-negative breast cancer with HER2 Low protein expression (2023)
Journal Article
Atallah, N. M., Haque, M., Quinn, C., Toss, M. S., Makhlouf, S., Ibrahim, A., …Rakha, E. (2023). Characterisation of luminal and triple-negative breast cancer with HER2 Low protein expression. European Journal of Cancer, 195, Article 113371. https://doi.org/10.1016/j.ejca.2023.113371

Background: Breast cancer (BC) expressing low levels of human epidermal growth factor receptor 2 (HER2 Low) is an emerging category that needs further refining. This study aims to provide a comprehensive clinico-pathological and molecular profile of... Read More about Characterisation of luminal and triple-negative breast cancer with HER2 Low protein expression.

The clinical and biological significance of estrogen receptor-low positive breast cancer (2023)
Journal Article
Makhlouf, S., Althobi, M., Toss, M., Muftah, A. A., Mongan, N. P., Lee, A. H. S., …Rakha, E. A. (2023). The clinical and biological significance of estrogen receptor-low positive breast cancer. Modern Pathology, 36(10), Article 100284. https://doi.org/10.1016/j.modpat.2023.100284

Estrogen Receptor (ER) status in breast cancer (BC) is determined using immunohistochemistry (IHC) with nuclear expression in ≥1% of cells defined as ER-positive. BC with 1-9% expression (ER-low positive), is a clinically and biologically unique subg... Read More about The clinical and biological significance of estrogen receptor-low positive breast cancer.

Characteristics and prognostic significance of polo-like kinase-1 (PLK1) expression in breast cancer (2023)
Journal Article
Lashen, A. G., Toss, M. S., Wootton, L., Green, A. R., Mongan, N. P., Madhusudan, S., & Rakha, E. (2023). Characteristics and prognostic significance of polo-like kinase-1 (PLK1) expression in breast cancer. Histopathology, 83(3), 414-425. https://doi.org/10.1111/his.14960

Background: Polo-like kinase-1 (PLK1) plays a crucial role in cell cycle progression,and it is considered a potential therapeutic target in many cancers. Although the role of PLK1 is well established in triple negative breast cancer (TNBC) as an onco... Read More about Characteristics and prognostic significance of polo-like kinase-1 (PLK1) expression in breast cancer.

The clinical value of progesterone receptor expression in luminal breast cancer: A study of a large cohort with long-term follow-up (2023)
Journal Article
Lashen, A. G., Toss, M. S., Mongan, N. P., Green, A. R., & Rakha, E. A. (2023). The clinical value of progesterone receptor expression in luminal breast cancer: A study of a large cohort with long-term follow-up. Cancer, 129(8), 1183-1194. https://doi.org/10.1002/cncr.34655

Background: The routine assessment of progesterone receptor (PR) expression in breast cancer (BC) remains controversial. This study aimed to evaluate the role of PR expression in luminal BC, with emphasis on the definition of positivity and its progn... Read More about The clinical value of progesterone receptor expression in luminal breast cancer: A study of a large cohort with long-term follow-up.

Expression, assessment and significance of Ki67 expression in breast cancer: an update (2023)
Journal Article
Lashen, A. G., Toss, M. S., Ghannam, S. F., Makhlouf, S., Green, A., Mongan, N. P., & Rakha, E. (2023). Expression, assessment and significance of Ki67 expression in breast cancer: an update. Journal of Clinical Pathology, 76(6), Article 357-364. https://doi.org/10.1136/jcp-2022-208731

Ki67 expression is one of the most important and cost-effective surrogate markers to assess for tumour cell proliferation in breast cancer (BC). The Ki67 labelling index has prognostic and predictive value in patients with early-stage BC, particularl... Read More about Expression, assessment and significance of Ki67 expression in breast cancer: an update.

Mechanistic and Clinical Evidence Supports a Key Role for Cell Division Cycle Associated 5 (CDCA5) as an Independent Predictor of Outcome in Invasive Breast Cancer (2022)
Journal Article
Kariri, Y. A., Joseph, C., Alsaleem, M. A., Elsharawy, K. A., Alsaeed, S., Toss, M. S., …Rakha, E. A. (2022). Mechanistic and Clinical Evidence Supports a Key Role for Cell Division Cycle Associated 5 (CDCA5) as an Independent Predictor of Outcome in Invasive Breast Cancer. Cancers, 14(22), Article 5643. https://doi.org/10.3390/cancers14225643

Background: Cell Division Cycle Associated 5 (CDCA5) plays a role in the phosphoinositide 3-kinase (PI3K)/AKT/mTOR signalling pathway involving cell division, cancer cell migration and apoptosis. This study aims to assess the prognostic and biologica... Read More about Mechanistic and Clinical Evidence Supports a Key Role for Cell Division Cycle Associated 5 (CDCA5) as an Independent Predictor of Outcome in Invasive Breast Cancer.

Ki67 assessment in invasive luminal breast cancer: a comparative study between different scoring methods (2022)
Journal Article
Lashen, A., Toss, M. S., Green, A. R., Mongan, N. P., & Rakha, E. (2022). Ki67 assessment in invasive luminal breast cancer: a comparative study between different scoring methods. Histopathology, 81(6), 786-798. https://doi.org/10.1111/his.14781

Background: Ki67 reflects the proliferation activity in breast cancer (BC). However, an optimal method for its assessment in clinical settings has yet to be robustly defined. In this study, we compared several methods to score Ki67 to identify a reli... Read More about Ki67 assessment in invasive luminal breast cancer: a comparative study between different scoring methods.

Refining the definition of HER2-low class in invasive breast cancer (2022)
Journal Article
Atallah, N. M., Toss, M. S., Green, A. R., Mongan, N. P., Ball, G., & Rakha, E. A. (2022). Refining the definition of HER2-low class in invasive breast cancer. Histopathology, 81(6), 770-785. https://doi.org/10.1111/his.14780

Background: Emerging evidence indicates that breast cancer (BC) patients whose tumours express HER2 protein without HER2 gene amplification (HER2-low), can benefit from antibody–drug conjugates (ADC). However, the current definition of HER2-low BC re... Read More about Refining the definition of HER2-low class in invasive breast cancer.

Ubiquitin-conjugating enzyme 2C (UBE2C) is a poor prognostic biomarker in invasive breast cancer (2022)
Journal Article
Kariri, Y., Toss, M. S., Alsaleem, M., Elsharawy, K. A., Joseph, C., Mongan, N. P., …Rakha, E. A. (2022). Ubiquitin-conjugating enzyme 2C (UBE2C) is a poor prognostic biomarker in invasive breast cancer. Breast Cancer Research and Treatment, 192(3), 529-539. https://doi.org/10.1007/s10549-022-06531-5

Background The Ubiquitin-conjugating enzyme 2C (UBE2C) is essential for the ubiquitin–proteasome system and is involved in cancer cell migration and apoptosis. This study aimed to determine the prognostic value of UBE2C in invasive breast cancer (BC... Read More about Ubiquitin-conjugating enzyme 2C (UBE2C) is a poor prognostic biomarker in invasive breast cancer.

Untangling the clinicopathological significance of MRE11-RAD50-NBS1 complex in sporadic breast cancers (2021)
Journal Article
Alblihy, A., Shoqafi, A., Toss, M. S., Algethami, M., Harris, A. E., Jeyapalan, J. N., …Madhusudan, S. (2021). Untangling the clinicopathological significance of MRE11-RAD50-NBS1 complex in sporadic breast cancers. npj Breast Cancer, 7(1), 1-10. https://doi.org/10.1038/s41523-021-00350-5

The MRE11–RAD50–NBS1 (MRN) complex is critical for genomic stability. Although germline mutations in MRN may increase breast cancer susceptibility, such mutations are extremely rare. Here, we have conducted a comprehensive clinicopathological study o... Read More about Untangling the clinicopathological significance of MRE11-RAD50-NBS1 complex in sporadic breast cancers.

Prognostic significance of heat shock protein 90AA1 (HSP90?) in invasive breast cancer (2021)
Journal Article
Alsaeed, S. A., Toss, M., Alsaleem, M., Aleskandarany, M., Joseph, C., Kurozumi, S., …Rakha, E. (2022). Prognostic significance of heat shock protein 90AA1 (HSP90α) in invasive breast cancer. Journal of Clinical Pathology, 75(4), 263-269. https://doi.org/10.1136/jclinpath-2020-207106

Aims: The mechanisms that drive breast cancer (BC) progression and poor outcome are not fully understood. The human heat shock protein 90 alpha family class A member 1 (HSP90?) encoded by the HSP90 'A1 gene has a vital role in cellular responses to s... Read More about Prognostic significance of heat shock protein 90AA1 (HSP90?) in invasive breast cancer.

The ITIM-Containing Receptor: Leukocyte-Associated Immunoglobulin-Like Receptor-1 (LAIR-1) Modulates Immune Response and Confers Poor Prognosis in Invasive Breast Carcinoma (2020)
Journal Article
Joseph, C., Alsaleem, M. A., Toss, M. S., Kariri, Y. A., Althobiti, M., Alsaeed, S., …Rakha, E. A. (2020). The ITIM-Containing Receptor: Leukocyte-Associated Immunoglobulin-Like Receptor-1 (LAIR-1) Modulates Immune Response and Confers Poor Prognosis in Invasive Breast Carcinoma. Cancers, 13(1), 1-19. https://doi.org/10.3390/cancers13010080

Background: The leukocyte-associated immunoglobulin-like receptor-1 (LAIR-1) plays a role in immune response homeostasis, extracellular matrix remodelling and it is overexpressed in many high-grade cancers. This study aimed to elucidate the biologica... Read More about The ITIM-Containing Receptor: Leukocyte-Associated Immunoglobulin-Like Receptor-1 (LAIR-1) Modulates Immune Response and Confers Poor Prognosis in Invasive Breast Carcinoma.

A novel prognostic two-gene signature for triple negative breast cancer (2020)
Journal Article
Alsaleem, M. A., Ball, G., Toss, M. S., Raafat, S., Aleskandarany, M., Joseph, C., …Rakha, E. (2020). A novel prognostic two-gene signature for triple negative breast cancer. Modern Pathology, 33, 2208–2220. https://doi.org/10.1038/s41379-020-0563-7

The absence of a robust risk stratification tool for triple negative breast cancer (TNBC) underlies imprecise and non-selective treatment of these patients with cytotoxic chemotherapy. This study aimed to interrogate transcriptomes of TNBC resected s... Read More about A novel prognostic two-gene signature for triple negative breast cancer.

Combined HER3-EGFR score in triple-negative breast cancer provides prognostic and predictive significance superior to individual biomarkers (2020)
Journal Article
Janssen, E. A., Ogden, A., Bhattarai, S., Sahoo, B., Mongan, N. P., Alsaleem, M., …Aneja, R. (2020). Combined HER3-EGFR score in triple-negative breast cancer provides prognostic and predictive significance superior to individual biomarkers. Scientific Reports, 10(1), Article 3009. https://doi.org/10.1038/s41598-020-59514-1

© 2020, The Author(s). Epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 3 (HER3) have been investigated as triple-negative breast cancer (TNBC) biomarkers. Reduced EGFR levels can be compensated by increases in HER3;... Read More about Combined HER3-EGFR score in triple-negative breast cancer provides prognostic and predictive significance superior to individual biomarkers.

The prognostic significance of wild type isocitrate dehydrogenase 2 (IDH2) in breast cancer (2019)
Journal Article
Aljohani, A. I., Toss, M. S., Kurozumi, S., Joseph, C., Aleskandarany, M. A., Miligy, I. M., …Rakha, E. (2020). The prognostic significance of wild type isocitrate dehydrogenase 2 (IDH2) in breast cancer. Breast Cancer Research and Treatment, 179(1), 79–90. https://doi.org/10.1007/s10549-019-05459-7

Background: Lymphovascular invasion (LVI) is a prerequisite step in breast cancer (BC) metastasis. We have previously identified wild type isocitrate dehydrogenase 2 (IDH2) as a key putative driver of LVI. Thus, we explored the prognostic significanc... Read More about The prognostic significance of wild type isocitrate dehydrogenase 2 (IDH2) in breast cancer.

Impact of breast cancer grade discordance on prediction of outcome (2018)
Journal Article
Rakha, E. A., Aleskandarany, M. A., Toss, M. S., Mongan, N., El-Sayed, M. E., Green, A. R., …Dalton, L. W. (in press). Impact of breast cancer grade discordance on prediction of outcome. Histopathology, https://doi.org/10.1111/his.13709

BACKGROUND: Histological grade is an independent prognostic variable in breast cancer (BC). Previous concordance studies of BC grade have reported moderate levels of agreement; a typical finding in morphological assessment of biological variables. Th... Read More about Impact of breast cancer grade discordance on prediction of outcome.

Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in breast cancer and its prognostic significance (2018)
Journal Article
Althobiti, M., Aleskandarany, M. A., Joseph, C., Toss, M., Mongan, N., Diez-Rodriguez, M., …Rakha, E. A. (2018). Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in breast cancer and its prognostic significance. Histopathology, 73(6), 887-896. https://doi.org/10.1111/his.13695

Background: Tumour-infiltrating lymphocytes (TILs) in breast cancer (BC) confer prognostic and predictive information. This study aims to assess the spatial and temporal heterogeneity of TILs in BC and its relationship with immune cell subtypes. Met... Read More about Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in breast cancer and its prognostic significance.