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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.

Exploring anti-androgen therapies in hormone dependent prostate cancer and new therapeutic routes for castration resistant prostate cancer (2022)
Journal Article
Harris, A. E., Metzler, V. M., Lothion-Roy, J., Varun, D., Woodcock, C. L., Haigh, D. B., …Jeyapalan, J. N. (2022). Exploring anti-androgen therapies in hormone dependent prostate cancer and new therapeutic routes for castration resistant prostate cancer. Frontiers in Endocrinology, 13, Article 1006101. https://doi.org/10.3389/fendo.2022.1006101

Androgen deprivation therapies (ADTs) are important treatments which inhibit androgen-induced prostate cancer (PCa) progression by either preventing androgen biosynthesis (e.g. abiraterone) or by antagonizing androgen receptor (AR) function (e.g. bic... Read More about Exploring anti-androgen therapies in hormone dependent prostate cancer and new therapeutic routes for castration resistant prostate cancer.

The METTL3 RNA Methyltransferase Regulates Transcriptional Networks in Prostate Cancer (2022)
Journal Article
Haigh, D. B., Woodcock, C. L., Lothion-Roy, J., Harris, A. E., Metzler, V. M., Persson, J. L., …Mongan, N. P. (2022). The METTL3 RNA Methyltransferase Regulates Transcriptional Networks in Prostate Cancer. Cancers, 14(20), Article 5148. https://doi.org/10.3390/cancers14205148

Prostate cancer (PCa) is a leading cause of cancer-related deaths and is driven by aberrant androgen receptor (AR) signalling. For this reason, androgen deprivation therapies (ADTs) that suppress androgen-induced PCa progression either by preventing... Read More about The METTL3 RNA Methyltransferase Regulates Transcriptional Networks in Prostate Cancer.

Ligase 1 is a predictor of platinum resistance and its blockade is synthetically lethal in XRCC1 deficient epithelial ovarian cancers (2021)
Journal Article
Ali, R., Alabdullah, M., Algethami, M., Alblihy, A., Miligy, I., Shoqafi, A., …Madhusudan, S. (2021). Ligase 1 is a predictor of platinum resistance and its blockade is synthetically lethal in XRCC1 deficient epithelial ovarian cancers. Theranostics, 11(17), 8350-8361. https://doi.org/10.7150/thno.51456

Rationale: The human ligases (LIG1, LIG3 and LIG4) are essential for the maintenance of genomic integrity by catalysing the formation of phosphodiester bonds between adjacent 5'-phosphoryl and 3'-hydroxyl termini at single and double strand breaks in... Read More about Ligase 1 is a predictor of platinum resistance and its blockade is synthetically lethal in XRCC1 deficient epithelial ovarian cancers.

Genome-Wide Analysis Unveils DNA Helicase RECQ1 as a Regulator of Estrogen Response Pathway in Breast Cancer Cells (2021)
Journal Article
Lu, X., Redon, C. E., Tang, W., Parvathaneni, S., Bokhari, B., Debnath, S., …Sharma, S. (2021). Genome-Wide Analysis Unveils DNA Helicase RECQ1 as a Regulator of Estrogen Response Pathway in Breast Cancer Cells. Molecular and Cellular Biology, 41(4), e00515-20. https://doi.org/10.1128/mcb.00515-20

Susceptibility to breast cancer is significantly increased in individuals with germ line mutations in RECQ1 (also known as RECQL or RECQL1), a gene encoding a DNA helicase essential for genome maintenance. We previously reported that RECQ1 expression... Read More about Genome-Wide Analysis Unveils DNA Helicase RECQ1 as a Regulator of Estrogen Response Pathway in Breast Cancer Cells.

Clinicopathological and Functional Evaluation Reveal NBS1 as a Predictor of Platinum Resistance in Epithelial Ovarian Cancers (2021)
Journal Article
Alblihy, A., Alabdullah, M. L., Ali, R., Algethami, M., Toss, M. S., Mongan, N. P., …Madhusudan, S. (2021). Clinicopathological and Functional Evaluation Reveal NBS1 as a Predictor of Platinum Resistance in Epithelial Ovarian Cancers. Biomedicines, 9(1), Article 56. https://doi.org/10.3390/biomedicines9010056

Platinum resistance seriously impacts on the survival outcomes of patients with ovarian cancers. Platinum-induced DNA damage is processed through DNA repair. NBS1 is a key DNA repair protein. Here, we evaluated the role of NBS1 in ovarian cancers. NB... Read More about Clinicopathological and Functional Evaluation Reveal NBS1 as a Predictor of Platinum Resistance in Epithelial Ovarian Cancers.

Werner Syndrome Protein Expression in Breast Cancer (2020)
Journal Article
Savva, C., Sadiq, M., Sheikh, O., Karim, S., Trivedi, S., Green, A. R., …Arora, A. (2021). Werner Syndrome Protein Expression in Breast Cancer. Clinical Breast Cancer, 21(1), 57-73.E7. https://doi.org/10.1016/j.clbc.2020.07.013

Introduction
Werner protein (WRN) plays an important role in DNA repair, replication, transcription, and consequently genomic stability via its DNA-helicase and exonuclease activity. Loss of function of WRN is associated with Werner syndrome (WS), w... Read More about Werner Syndrome Protein Expression in Breast Cancer.

PARP1 blockade is synthetically lethal in XRCC1 deficient sporadic epithelial ovarian cancers (2019)
Journal Article
Mesquita, K. A., Ali, R., Chan, S. Y., Alabdullah, M., Alblihy, A., Miligy, I., …Madhusudan, S. (2020). PARP1 blockade is synthetically lethal in XRCC1 deficient sporadic epithelial ovarian cancers. Cancer Letters, 469, 124-133. https://doi.org/10.1016/j.canlet.2019.10.035

© 2019 Elsevier B.V. PARP1 inhibitor (Niraparib, Olaparib, Rucaparib) maintenance therapy improves progression-free survival in platinum sensitive sporadic epithelial ovarian cancers. However, biomarkers of response to PARPi therapy is yet to be clea... Read More about PARP1 blockade is synthetically lethal in XRCC1 deficient sporadic epithelial ovarian cancers.

ATM Regulated PTEN Degradation Is XIAP E3 Ubiquitin Ligase Mediated in p85α Deficient Cancer Cells and Influence Platinum Sensitivity (2019)
Journal Article
Ali, R., Alabdullah, M., Miligy, I., Normatova, M., Babaei-Jadidi, R., S. Nateri, A., …Madhusudan, S. (2019). ATM Regulated PTEN Degradation Is XIAP E3 Ubiquitin Ligase Mediated in p85α Deficient Cancer Cells and Influence Platinum Sensitivity. Cells, 8(10), Article 1271. https://doi.org/10.3390/cells8101271

Ataxia-telegiectasia mutated (ATM), phosphatase and tensin homolog (PTEN), and p85α are key tumour suppressors. Whether ATM regulates PTEN expression and influence platinum sensitivity is unknown. We generated ATM knockdowns (KD) and CRISPR knock out... Read More about ATM Regulated PTEN Degradation Is XIAP E3 Ubiquitin Ligase Mediated in p85α Deficient Cancer Cells and Influence Platinum Sensitivity.

Upper GI biopsies for adenocarcinoma: how many biopsies should endoscopists take? (2018)
Journal Article
Kaye, P., Lindsay, D., Madhusudan, S., Vohra, R., Catton, J., Platt, C., & Ragunath, K. (2019). Upper GI biopsies for adenocarcinoma: how many biopsies should endoscopists take?. Histopathology, 74(6), 959-963. https://doi.org/10.1111/his.13816

Aims: There is evidence that 4 or 5 gastric cancer biopsies are required for accurate HER2 interpretation. However, the number of biopsies that need to be taken to reach this number of viable cancer biopsies is without evidence. This study aimed to a... Read More about Upper GI biopsies for adenocarcinoma: how many biopsies should endoscopists take?.

LY2495655, an antimyostatin antibody in pancreatic cancer: a randomized phase 2 trial (2018)
Journal Article
Golan, T., Geva, R., Richards, D., Madhusudan, S., Lin, B. K., Wang, H. T., Walgren, R. A., & Stemmer, S. M. (2018). LY2495655, an antimyostatin antibody in pancreatic cancer: a randomized phase 2 trial. Journal of Cachexia, Sarcopenia and Muscle, 9(5), 871-879. https://doi.org/10.1002/jcsm.12331

Background: Cachexia is a formidable clinical challenge in pancreatic cancer. We assessed LY2495655 (antimyostatin antibody) plus standard-of-care chemotherapy in pancreatic cancer using cachexia status as a stratifier.

Methods: In this randomize... Read More about LY2495655, an antimyostatin antibody in pancreatic cancer: a randomized phase 2 trial.

Circulating biomarkers during treatment in patients with advanced biliary tract cancer receiving cediranib in the UK ABC-03 trial (2018)
Journal Article
Backen, A. C., Lopes, A., Wasan, H., Palmer, D. H., Duggan, M., Cunningham, D., …Valle, J. W. (2018). Circulating biomarkers during treatment in patients with advanced biliary tract cancer receiving cediranib in the UK ABC-03 trial. British Journal of Cancer, 119(1), 27-35. https://doi.org/10.1038/s41416-018-0132-8

BACKGROUND: Advanced biliary tract cancer (ABC) has a poor prognosis. Cediranib, in addition to cisplatin/gemcitabine [CisGem], improved the response rate, but did not improve the progression-free survival (PFS) in the ABC-03 study. Minimally invasiv... Read More about Circulating biomarkers during treatment in patients with advanced biliary tract cancer receiving cediranib in the UK ABC-03 trial.

Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy (2018)
Journal Article
Al-Subhi, N., Ali, R., Abdel-Fatah, T., Moseley, P. M., Chan, S. Y., Green, A. R., Ellis, I. O., Rakha, E., & Madhusudan, S. (2018). Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy. Breast Cancer Research and Treatment, 169(2), 277–286. https://doi.org/10.1007/s10549-018-4683-4

Purpose: PTEN, a negative regulator of PI3K signaling, is involved in DNA repair. ATR is a key sensor of DNA damage and replication stress. We evaluated whether ATR signaling has clinical significance and could be targeted by synthetic lethality in P... Read More about Targeting ataxia telangiectasia mutated and Rad3 related kinase (ATR) in PTEN deficient breast cancers for personalized therapy.

Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer (2017)
Journal Article
Naidoo, K., Wai, P. T., Maguire, S. L., Daley, F., Haider, S., Kriplani, D., …Natrajan, R. (2018). Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer. Molecular Cancer Therapeutics, 17(1), 306-315. https://doi.org/10.1158/1535-7163.mct-17-0760

Disruption of Cyclin-Dependent Kinase 12 (CDK12) is known to lead to defects in DNA repair and sensitivity to platinum salts and PARP1/2 inhibitors. However, CDK12 has also been proposed as an oncogene in breast cancer. We therefore aimed to assess t... Read More about Evaluation of CDK12 protein expression as a potential novel biomarker for DNA damage response–targeted therapies in breast cancer.

RECQ1 expression is upregulated in response to DNA damage and in a p53-dependent manner (2017)
Journal Article
Parvathaneni, S., Lu, X., Choudhary, R., Lal, A., Madhusudan, S., & Sharma, S. (2017). RECQ1 expression is upregulated in response to DNA damage and in a p53-dependent manner. Oncotarget, https://doi.org/10.18632/oncotarget.18237

Sensitivity of cancer cells to DNA damaging chemotherapeutics is determined by DNA repair processes. Consequently, cancer cells may upregulate the expression of certain DNA repair genes as a mechanism to promote chemoresistance. Here, we report tha... Read More about RECQ1 expression is upregulated in response to DNA damage and in a p53-dependent manner.

Vandetanib plus gemcitabine versus placebo plus gemcitabine in locally advanced or metastatic pancreatic carcinoma (ViP): a prospective, randomised, double-blind, multicentre phase 2 trial (2017)
Journal Article
Middleton, G., Palmer, D. H., Greenhalf, W., Ghaneh, P., Jackson, R., Cox, T., …Neoptolemos, J. P. (2017). Vandetanib plus gemcitabine versus placebo plus gemcitabine in locally advanced or metastatic pancreatic carcinoma (ViP): a prospective, randomised, double-blind, multicentre phase 2 trial. Lancet Oncology, 18(4), 486-499. https://doi.org/10.1016/S1470-2045%2817%2930084-0

Methods: The Vandetanib in Pancreatic Cancer (ViP) trial was a phase 2 double-blind, multicentre, randomised placebo-controlled trial in previously untreated adult patients (aged ≥18 years) diagnosed with locally advanced or metastatic carcinoma of t... Read More about Vandetanib plus gemcitabine versus placebo plus gemcitabine in locally advanced or metastatic pancreatic carcinoma (ViP): a prospective, randomised, double-blind, multicentre phase 2 trial.

Human helicase RECQL4 drives cisplatin resistance in gastric cancer by activating an AKT-YB1-MDR1 signaling pathway (2016)
Journal Article
Mo, D., Fang, H., Niu, K., Liu, J., Wu, M., Li, S., …Zhao, Y. (2016). Human helicase RECQL4 drives cisplatin resistance in gastric cancer by activating an AKT-YB1-MDR1 signaling pathway. Cancer Research, 76(10), https://doi.org/10.1158/0008-5472.CAN-15-2361

Elevation of the DNA-unwinding helicase RECQL4, which participates in various DNA repair pathways, has been suggested to contribute to the pathogenicity of various human cancers, including gastric cancer. In this study, we addressed the prognostic an... Read More about Human helicase RECQL4 drives cisplatin resistance in gastric cancer by activating an AKT-YB1-MDR1 signaling pathway.

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. https://doi.org/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.

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), 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.

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., …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.