Professor EMAD RAKHA's Outputs (39)

Geometric characteristics of stromal collagen fibres in breast cancer using differential interference contrast microscopy (2024)
Journal Article
Ghannam, S. F., Rutland, C. S., Allegrucci, C., Mather, M. L., Alsaleem, M., Bateman-Price, T. D., Patke, R., Ball, G., Mongan, N. P., & Rakha, E. (2025). Geometric characteristics of stromal collagen fibres in breast cancer using differential interference contrast microscopy. Journal of Microscopy, 297(2), 135-152. https://doi.org/10.1111/jmi.13361

Breast cancer (BC) is characterised by a high level of heterogeneity, which is influenced by the interaction of neoplastic cells with the tumour microenvironment. The diagnostic and prognostic role of the tumour stroma in BC remains to be defined. Di... Read More about Geometric characteristics of stromal collagen fibres in breast cancer using differential interference contrast microscopy.

The Conflicting Prognostic Role of the Stroma–Tumor Ratio in Breast Cancer Molecular Subtypes (2024)
Journal Article
Ghannam, S. F., Makhlouf, S., Alsaleem, M., Rutland, C. S., Allegrucci, C., Mongan, N. P., & Rakha, E. A. (2024). The Conflicting Prognostic Role of the Stroma–Tumor Ratio in Breast Cancer Molecular Subtypes. Modern Pathology, 37(12), Article 100607. https://doi.org/10.1016/j.modpat.2024.100607

The tumor microenvironment plays a key role in tumor progression. The proportion of the stroma-to-tumor cells (stroma-tumor ratio [STR]) has a variable prognostic significance in breast cancer (BC) molecular classes. In this study, we evaluated the m... Read More about The Conflicting Prognostic Role of the Stroma–Tumor Ratio in Breast Cancer Molecular Subtypes.

Prognostic and clinical significance of the proliferation marker MCM7 in breast cancer (2024)
Journal Article
Lashen, A. G., Toss, M. S., Rutland, C. S., Green, A. R., Mongan, N. P., & Rakha, E. (2024). Prognostic and clinical significance of the proliferation marker MCM7 in breast cancer. Pathobiology, https://doi.org/10.1159/000540790

Introduction: Minichromosome maintenance complex component 7 (MCM7) plays an essential role in proliferation and DNA replication of cancer cells. However, the expression and prognostic significance of MCM7 in breast cancer (BC) remain to be defined.... Read More about Prognostic and clinical significance of the proliferation marker MCM7 in breast cancer.

The role of the ALKBH5 RNA demethylase in invasive breast cancer (2024)
Journal Article
Woodcock, C. L., Alsaleem, M., Toss, M. S., Lothion-Roy, J., Harris, A. E., Jeyapalan, J. N., Blatt, N., Rizvanov, A. A., Miftakhova, R. R., Kariri, Y. A., Madhusudan, S., Green, A. R., Rutland, C. S., Fray, R. G., Rakha, E. A., & Mongan, N. P. (2024). The role of the ALKBH5 RNA demethylase in invasive breast cancer. Discover Oncology, 15(1), Article 343. https://doi.org/10.1007/s12672-024-01205-8

Background: N6-methyladenosine (m6A) is the most common internal RNA modification and is involved in regulation of RNA and protein expression. AlkB family member 5 (ALKBH5) is a m6A demethylase. Given the important role of m6A in biological mechanism... Read More about The role of the ALKBH5 RNA demethylase in invasive breast cancer.

Epitranscriptomic mechanisms of androgen signalling and prostate cancer (2024)
Journal Article
Patke, R., Harris, A. E., Woodcock, C. L., Thompson, R., Santos, R., Kumari, A., Allegrucci, C., Archer, N., Gudas, L. J., Robinson, B. D., Persson, J. L., Fray, R., Jeyapalan, J., Rutland, C. S., Rakha, E., Madhusudan, S., Emes, R. D., Muyangwa-Semenova, M., Alsaleem, M., de Brot, S., …Lothion-Roy, J. (2024). Epitranscriptomic mechanisms of androgen signalling and prostate cancer. Neoplasia, 56, Article 101032. https://doi.org/10.1016/j.neo.2024.101032

Prostate cancer (PCa) is the second most common cancer diagnosed in men. While radical prostatectomy and radiotherapy are often successful in treating localised disease, post-treatment recurrence is common. As the androgen receptor (AR) and androgen... Read More about Epitranscriptomic mechanisms of androgen signalling and prostate cancer.

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.

Clinicopathological Significance of Cyclin-Dependent Kinase 2 (CDK2) in Ductal Carcinoma In Situ and Early-Stage Invasive Breast Cancers (2024)
Journal Article
Lashen, A., Alqahtani, S., Shoqafi, A., Algethami, M., Jeyapalan, J. N., Mongan, N. P., Rakha, E. A., & Madhusudan, S. (2024). Clinicopathological Significance of Cyclin-Dependent Kinase 2 (CDK2) in Ductal Carcinoma In Situ and Early-Stage Invasive Breast Cancers. International Journal of Molecular Sciences, 25(9), Article 5053. https://doi.org/10.3390/ijms25095053

Cyclin-dependent kinase 2 (CDK2) is a key cell cycle regulator, with essential roles during G1/S transition. The clinicopathological significance of CDK2 in ductal carcinomas in situ (DCIS) and early-stage invasive breast cancers (BCs) remains largel... Read More about Clinicopathological Significance of Cyclin-Dependent Kinase 2 (CDK2) in Ductal Carcinoma In Situ and Early-Stage Invasive Breast Cancers.

The Clinicopathological Significance of the Cyclin D1/E1–Cyclin-Dependent Kinase (CDK2/4/6)–Retinoblastoma (RB1/pRB1) Pathway in Epithelial Ovarian Cancers (2024)
Journal Article
Lashen, A., Algethami, M., Alqahtani, S., Shoqafi, A., Sheha, A., Jeyapalan, J. N., Mongan, N. P., Rakha, E. A., & Madhusudan, S. (2024). The Clinicopathological Significance of the Cyclin D1/E1–Cyclin-Dependent Kinase (CDK2/4/6)–Retinoblastoma (RB1/pRB1) Pathway in Epithelial Ovarian Cancers. International Journal of Molecular Sciences, 25(7), Article 4060. https://doi.org/10.3390/ijms25074060

Cyclin-dependent kinases (CDK2, CDK4, CDK6), cyclin D1, cyclin E1 and phosphorylated retinoblastoma (pRB1) are key regulators of the G1/S cell cycle checkpoint and may influence platinum response in ovarian cancers. CDK2/4/6 inhibitors are emerging t... Read More about The Clinicopathological Significance of the Cyclin D1/E1–Cyclin-Dependent Kinase (CDK2/4/6)–Retinoblastoma (RB1/pRB1) Pathway in Epithelial Ovarian Cancers.

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., Green, A. R., Alsaleem, M., Rutland, C. S., Allegrucci, C., Mongan, N. P., & 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.

Differential response of HER2-positive breast cancer to anti-HER2 therapy based on HER2 protein expression level (2023)
Journal Article
Atallah, N. M., Alsaleem, M., Toss, M. S., Mongan, N. P., & Rakha, E. (2023). Differential response of HER2-positive breast cancer to anti-HER2 therapy based on HER2 protein expression level. British Journal of Cancer, https://doi.org/10.1038/s41416-023-02426-4

Background: Increasing data indicate that HER2-positive (HER2 +) breast cancer (BC) subtypes exhibit differential responses to targeted anti-HER2 therapy. This study aims to investigate these differences and the potential underlying molecular mechani... Read More about Differential response of HER2-positive breast cancer to anti-HER2 therapy based on HER2 protein expression level.

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., Green, A. R., & 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.

Encapsulated papillary carcinoma of the breast: does it have a native basement membrane? (2023)
Preprint / Working Paper
Ghannam, S. F., Rutland, C. S., Allegrucci, C., Mongan, N. P., & Rakha, E. A. (2023). Encapsulated papillary carcinoma of the breast: does it have a native basement membrane?

Background Encapsulated papillary carcinoma (EPC) is surrounded by a thick fibrous capsule‐like structure, which is interpreted as a thickened basement membrane (BM). This study aimed to describe the geometric characteristics of the EPC capsule and t... Read More about Encapsulated papillary carcinoma of the breast: does it have a native basement membrane?.

Encapsulated papillary carcinoma of the breast: does it have a native basement membrane? (2023)
Journal Article
Ghannam, S. F., Rutland, C. S., Allegrucci, C., Mongan, N. P., & Rakha, E. (2023). Encapsulated papillary carcinoma of the breast: does it have a native basement membrane?. Histopathology, 83(3), 376-393. https://doi.org/10.1111/his.14939

Background
Encapsulated papillary carcinoma (EPC) is surrounded by a thick fibrous capsule-like structure, which is interpreted as a thickened basement membrane (BM). This study aimed to describe the geometric characteristics of the EPC capsule and... Read More about Encapsulated papillary carcinoma of the breast: does it have a native basement membrane?.

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.

Targeting DNA damage repair precision medicine strategies in cancer (2023)
Journal Article
Brownlie, J., Kulkarni, S., Algethami, M., Jeyapalan, J. N., Mongan, N. P., Rakha, E. A., & Madhusudan, S. (2023). Targeting DNA damage repair precision medicine strategies in cancer. Current Opinion in Pharmacology, 70, Article 102381. https://doi.org/10.1016/j.coph.2023.102381

DNA repair targeted therapeutics is a promising precision medicine strategy in cancer. The development and clinical use of PARP inhibitors has transformed lives for many patients with BRCA germline deficient breast and ovarian cancer as well as plati... Read More about Targeting DNA damage repair precision medicine strategies in cancer.

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.

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.

Clinical and molecular significance of the RNA m6A methyltransferase complex in prostate cancer (2023)
Journal Article
Lothion-Roy, J., Haigh, D. B., Harris, A. E., Metzler, V. M., Alsaleem, M., Toss, M. S., Kariri, Y., Ntekim, A., Robinson, B. D., Khani, F., Gudas, L. J., Allegrucci, C., James, V. H., Madhusudan, S., Mather, M., Emes, R. D., Archer, N., Fray, R. G., Rakha, E., Jeyapalan, J. N., …Woodcock, C. L. (2023). Clinical and molecular significance of the RNA m6A methyltransferase complex in prostate cancer. Frontiers in Genetics, 13, Article 1096071. https://doi.org/10.3389/fgene.2022.1096071

N6-methyladenosine (m6A) is the most abundant internal mRNA modification and is dynamically regulated through distinct protein complexes that methylate, demethylate, and/or interpret the m6A modification. These proteins, and the m6A modification, are... Read More about Clinical and molecular significance of the RNA m6A methyltransferase complex in prostate cancer.

The KDM5B and KDM1A lysine demethylases cooperate in regulating androgen receptor expression and signalling in prostate cancer (2023)
Journal Article
Metzler, V. M., de Brot, S., Haigh, D. B., Woodcock, C. L., Lothion-Roy, J., Harris, A. E., Nilsson, E. M., Ntekim, A., Persson, J. L., Robinson, B. D., Khani, F., Laursen, K. B., Gudas, L. J., Toss, M. S., Madhusudan, S., Rakha, E., Heery, D. M., Rutland, C. S., Mongan, N. P., & Jeyapalan, J. N. (2023). The KDM5B and KDM1A lysine demethylases cooperate in regulating androgen receptor expression and signalling in prostate cancer. Frontiers in Cell and Developmental Biology, 11, Article 1116424. https://doi.org/10.3389/fcell.2023.1116424

Histone H3 lysine 4 (H3K4) methylation is key epigenetic mark associated with active transcription and is a substrate for the KDM1A/LSD1 and KDM5B/JARID1B lysine demethylases. Increased expression of KDM1A and KDM5B is implicated in many cancer types... Read More about The KDM5B and KDM1A lysine demethylases cooperate in regulating androgen receptor expression and signalling in prostate cancer.

Evolving DNA repair synthetic lethality targets in cancer (2022)
Journal Article
Kulkarni, S., Brownlie, J., Jeyapalan, J. N., Mongan, N. P., Rakha, E. A., & Madhusudan, S. (2022). Evolving DNA repair synthetic lethality targets in cancer. Bioscience Reports, 42(12), Article BSR20221713. https://doi.org/10.1042/BSR20221713

DNA damage signaling response and repair (DDR) is a critical defense mechanism against genomic instability. Impaired DNA repair capacity is an important risk factor for cancer development. On the other hand, up-regulation of DDR mechanisms is a featu... Read More about Evolving DNA repair synthetic lethality targets in cancer.