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.

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.

Combined proliferation and apoptosis index provides better risk stratification in breast cancer (2023)
Journal Article
Ibrahim, A., Toss, M. S., Atallah, N. M., Al Saleem, M., Green, A. R., & Rakha, E. A. (2023). Combined proliferation and apoptosis index provides better risk stratification in breast cancer. Histopathology, 82(7), 1029-1047. https://doi.org/10.1111/his.14887

Aims: Breast cancer (BC) risk stratification is critical for predicting behaviour and guiding management decision-making. Despite the well-established prognostic value of cellular proliferation in BC, the interplay between proliferation and apoptosis... Read More about Combined proliferation and apoptosis index provides better risk stratification in breast cancer.

The clinical significance of cyclin B1 (CCNB1) in invasive breast cancer with emphasis on its contribution to lymphovascular invasion development (2022)
Journal Article
Aljohani, A. I., Toss, M. S., Green, A. R., & Rakha, E. (2023). The clinical significance of cyclin B1 (CCNB1) in invasive breast cancer with emphasis on its contribution to lymphovascular invasion development. Breast Cancer Research and Treatment, 198, 423-435. https://doi.org/10.1007/s10549-022-06801-2

Background
Lymphovascular invasion (LVI) is regulated through complex molecular mechanisms. Cyclin B1 (CCNB1) was previously determined as being associated with LVI using large cohorts of breast cancer (BC) and artificial neural network (ANN) techni... Read More about The clinical significance of cyclin B1 (CCNB1) in invasive breast cancer with emphasis on its contribution to lymphovascular invasion development.

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.

The characteristics and clinical significance of atypical mitosis in breast cancer (2022)
Journal Article
Lashen, A., Toss, M. S., Alsaleem, M., Green, A. R., Mongan, N. P., & Rakha, E. (2022). The characteristics and clinical significance of atypical mitosis in breast cancer. Modern Pathology, 35, 1341-1348. https://doi.org/10.1038/s41379-022-01080-0

Atypical mitosis is considered a feature of malignancy, however, its significance in breast cancer (BC) remains elusive. Here, we aimed to assess the clinical value of atypical mitoses in BC and to explore their underlying molecular features. Atypica... Read More about The characteristics and clinical significance of atypical mitosis in 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.

Oestrogen-regulated protein SLC39A6: a biomarker of good prognosis in luminal breast cancer (2021)
Journal Article
Althobiti, M., El-Sharawy, K. A., Joseph, C., Aleskandarany, M., Toss, M. S., Green, A. R., & Rakha, E. A. (2021). Oestrogen-regulated protein SLC39A6: a biomarker of good prognosis in luminal breast cancer. Breast Cancer Research and Treatment, 189(3), 621-630. https://doi.org/10.1007/s10549-021-06336-y

Purpose
The outcome of the luminal oestrogen receptor-positive (ER +) subtype of breast cancer (BC) is highly variable and patient stratification needs to be refined. We assessed the prognostic significance of oestrogen-regulated solute carrier fami... Read More about Oestrogen-regulated protein SLC39A6: a biomarker of good prognosis in luminal breast cancer.

The frequency and clinical significance of DNA polymerase beta (POLβ) expression in breast ductal carcinoma in situ (DCIS) (2021)
Journal Article
Al-Kawaz, A., Ali, R., Toss, M. S., Miligy, I. M., Mohammed, O. J., Green, A. R., …Rakha, E. A. (2021). The frequency and clinical significance of DNA polymerase beta (POLβ) expression in breast ductal carcinoma in situ (DCIS). Breast Cancer Research and Treatment, 190, 39-51. https://doi.org/10.1007/s10549-021-06357-7

Background: The prediction of clinical behaviour of breast ductal carcinoma in situ (DCIS) and its progression to invasive disease remains a challenge. Alterations of DNA damage repair mechanisms are associated with invasive breast cancer (BC). This... Read More about The frequency and clinical significance of DNA polymerase beta (POLβ) expression in breast ductal carcinoma in situ (DCIS).

The Biological and Clinical Significance of Glutaminase in Luminal Breast Cancer (2021)
Journal Article
Masisi, B. K., El Ansari, R., Alfarsi, L., Craze, M. L., Jewa, N., Oldfield, A., …Green, A. R. (2021). The Biological and Clinical Significance of Glutaminase in Luminal Breast Cancer. Cancers, 13(16), Article 3963. https://doi.org/10.3390/cancers13163963

Glutamine metabolism has a key role in the regulation of uncontrolled tumour growth. This study aimed to evaluate the expression and prognostic significance of glutaminase in luminal breast cancer (BC). The glutaminase isoforms (GLS/GLS2) were assess... Read More about The Biological and Clinical Significance of Glutaminase in Luminal Breast Cancer.

The prognostic significance of Flap Endonuclease 1 (FEN1) in breast ductal carcinoma in situ (2021)
Journal Article
Al-Kawaz, A., Miligy, I. M., Toss, M. S., Mohammed, O. J., Green, A. R., Madhusudan, S., & Rakha, E. A. (2021). The prognostic significance of Flap Endonuclease 1 (FEN1) in breast ductal carcinoma in situ. Breast Cancer Research and Treatment, 188(1), 53-63. https://doi.org/10.1007/s10549-021-06271-y

Background
Impaired DNA repair mechanism is one of the cancer hallmarks. Flap Endonuclease 1 (FEN1) is essential for genomic integrity. FEN1 has key roles during base excision repair (BER) and replication. We hypothesised a role for FEN1 in breast c... Read More about The prognostic significance of Flap Endonuclease 1 (FEN1) in breast ductal carcinoma in situ.

Nucleolar protein 10 (NOP10) predicts poor prognosis in invasive breast cancer (2020)
Journal Article
Elsharawy, K. A., Althobiti, M., Mohammed, O. J., Aljohani, A. I., Toss, M. S., Green, A. R., & Rakha, E. (2021). Nucleolar protein 10 (NOP10) predicts poor prognosis in invasive breast cancer. Breast Cancer Research and Treatment, 185(3), 615-627. https://doi.org/10.1007/s10549-020-05999-3

Purpose
Nucleolar protein 10 (NOP10) is required for ribosome biogenesis and telomere maintenance and plays a key role in carcinogenesis. This study aims to evaluate the clinical and prognostic significance of NOP10 in breast cancer (BC).

Methods... Read More about Nucleolar protein 10 (NOP10) predicts poor prognosis in invasive breast cancer.

The prognostic significance of Interferon Stimulated Gene 15 (ISG15) in invasive breast cancer (2020)
Journal Article
Kariri, Y., Alsaleem, M., Joseph, C., Alsaeed, S., Aljohani, A., Shiino, S., …Rakha, E. A. (2021). The prognostic significance of Interferon Stimulated Gene 15 (ISG15) in invasive breast cancer. Breast Cancer Research and Treatment, 185(2), 293–305. https://doi.org/10.1007/s10549-020-05955-1

Background

Lymphovascular invasion (LVI) is a prognostic factor in early-stage invasive breast cancer (BC). Through bioinformatics, data analyses of multiple BC cohorts revealed the positive association between interferon-stimulated gene 15 (ISG15... Read More about The prognostic significance of Interferon Stimulated Gene 15 (ISG15) in invasive breast cancer.

The clinical significance of oestrogen receptor expression in breast ductal carcinoma in situ (2020)
Journal Article
Miligy, I. M., Toss, M. S., Shiino, S., Oni, G., Syed, B. M., Khout, H., …Rakha, E. A. (2020). The clinical significance of oestrogen receptor expression in breast ductal carcinoma in situ. British Journal of Cancer, 123(10), 1513-1520. https://doi.org/10.1038/s41416-020-1023-3

Background: Oestrogen receptor (ER) in invasive breast cancer (BC) predicts response to endocrine therapy (ET) and provides prognostic value. In this study, we investigated the value of ER expression in ductal carcinoma in situ (DCIS) in terms of out... Read More about The clinical significance of oestrogen receptor expression in breast ductal carcinoma in situ.

IL6/STAT3 Signaling Hijacks Estrogen Receptor α Enhancers to Drive Breast Cancer Metastasis (2020)
Journal Article
Siersbaek, R., Scabia, V., Nagarajan, S., Chernukhin, I., Papachristou, E. K., Broome, R., …Carroll, J. S. (2020). IL6/STAT3 Signaling Hijacks Estrogen Receptor α Enhancers to Drive Breast Cancer Metastasis. Cancer Cell, 38(3), 412-423.e9. https://doi.org/10.1016/j.ccell.2020.06.007

The cytokine interleukin-6 (IL6) and its downstream effector STAT3 constitute a key oncogenic pathway, which has been thought to be functionally connected to estrogen receptor α (ER) in breast cancer. We demonstrate that IL6/STAT3 signaling drives me... Read More about IL6/STAT3 Signaling Hijacks Estrogen Receptor α Enhancers to Drive Breast Cancer Metastasis.

Molecular Complexity of Lymphovascular Invasion: The Role of Cell Migration in Breast Cancer as a Prototype (2020)
Journal Article
Kariri, Y. A., Aleskandarany, M. A., Joseph, C., Toss, M. S., Kurozumi, S., Mohammed, O. J., …Rakha, E. A. (2020). Molecular Complexity of Lymphovascular Invasion: The Role of Cell Migration in Breast Cancer as a Prototype. Pathobiology, 87, 218–231. https://doi.org/10.1159/000508337

Lymphovascular invasion (LVI) is associated with poor outcome in breast cancer (BC); however, its underlying mechanisms remain ill-defined. LVI in BC develops through complex molecular pathways involving not only the interplay with the surrounding mi... Read More about Molecular Complexity of Lymphovascular Invasion: The Role of Cell Migration in Breast Cancer as a Prototype.

Elevated MMP9 expression in breast cancer is a predictor of shorter patient survival (2020)
Journal Article
Joseph, C., Alsaleem, M., Orah, N., Narasimha, P. L., Miligy, I. M., Kurozumi, S., …Rakha, E. A. (2020). Elevated MMP9 expression in breast cancer is a predictor of shorter patient survival. Breast Cancer Research and Treatment, 182, 267–282. https://doi.org/10.1007/s10549-020-05670-x

Purpose: MMP9 is a matricellular protein associated with extracellular matrix (ECM) remodelling, that promotes tumour progression, and modulates the activity of cell adhesion molecules and cytokines. This study aims to assess the prognostic value of... Read More about Elevated MMP9 expression in breast cancer is a predictor of shorter patient survival.

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.

The prognostic significance of ALDH1A1 expression in early invasive breast cancer (2020)
Journal Article
Althobiti, M., El Ansari, R., Aleskandarany, M., Joseph, C., Toss, M. S., Green, A. R., & Rakha, E. A. (2020). The prognostic significance of ALDH1A1 expression in early invasive breast cancer. Histopathology, 77(3), 437-448. https://doi.org/10.1111/his.14129

Aims: Aldehyde dehydrogenase family 1 member A1 (ALDH1A1)is reportedly a key ALDH isozyme linked to the cancer stem cells (CSC) of many solid tumours, where it is involved in self-renewal, differentiation and self-protection. In this study, the progn... Read More about The prognostic significance of ALDH1A1 expression in early invasive breast cancer.

Myxovirus resistance 1 (MX1) is an independent predictor of poor outcome in invasive breast cancer (2020)
Journal Article
Aljohani, A. I., Joseph, C., Kurozumi, S., Mohammed, O. J., Miligy, I. M., Green, A. R., & Rakha, E. (2020). Myxovirus resistance 1 (MX1) is an independent predictor of poor outcome in invasive breast cancer. Breast Cancer Research and Treatment, 181(3), 541-551. https://doi.org/10.1007/s10549-020-05646-x

Background: Breast cancer (BC) is a disease with variable morphology, clinical behaviour and response to therapy. Identifying factors associated with the progression of early stage BC can help understand the risk of metastasis and guide treatment dec... Read More about Myxovirus resistance 1 (MX1) is an independent predictor of poor outcome in invasive breast cancer.