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Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments (2019)
Journal Article
Phan, H., Minut, R. I., McCrorie, P., Vasey, C., Larder, R. R., Krumins, E., Marlow, M., Rahman, R., Alexander, C., Taresco, V., & Pearce, A. K. (2019). Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments. Journal of Polymer Science Part A: Polymer Chemistry, 57(17), 1801-1810. https://doi.org/10.1002/pola.29451

The production of well-defined and reproducible poly-meric nanoparticles (NPs), in terms of size and stability in biological environments, is undoubtedly a fundamental challenge in the formulation of novel and more effective nanomedicines. The adopti... Read More about Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments.

Overall survival in malignant glioma is significantly prolonged by neurosurgical delivery of etoposide and temozolomide from a thermo-responsive biodegradable paste (2019)
Journal Article
Smith, S. J., Tyler, B., Gould, T. W., Veal, G. J., Gorelick, N. L., Rowlinson, J., Serra, R., Ritchie, A. A., Berry, P., Otto, A., Choi, J., Skuli, N., Estevez-Cebrero, M. A., Shakesheff, K. M., Brem, H., Grundy, R. G., & Rahman, R. (2019). Overall survival in malignant glioma is significantly prolonged by neurosurgical delivery of etoposide and temozolomide from a thermo-responsive biodegradable paste. Clinical Cancer Research, 25(16), 5094-5106. https://doi.org/10.1158/1078-0432.ccr-18-3850

Purpose: High-grade glioma (HGG) treatment is limited by the inability of otherwise potentially efficacious drugs to penetrate the blood brain barrier. We evaluate the unique intra-cavity delivery mode and translational potential of a blend of poly(D... Read More about Overall survival in malignant glioma is significantly prolonged by neurosurgical delivery of etoposide and temozolomide from a thermo-responsive biodegradable paste.

Amplification-free and direct fluorometric determination of telomerase activity in cell lysates using chimeric DNA-templated silver nanoclusters (2019)
Journal Article
Lee, S. T., Rahman, R., Muthoosamy, K., Mohamed, N. A. H., Mohamed, H., Su, X. D., Tayyab, S., & New, S. Y. (2019). Amplification-free and direct fluorometric determination of telomerase activity in cell lysates using chimeric DNA-templated silver nanoclusters. Microchimica Acta, 186(2), Article 81. https://doi.org/10.1007/s00604-018-3194-7

A fluorogenic probe has been developed for determination of telomerase activity using chimeric DNA-templated silver nanoclusters (AgNCs). The formation of AgNCs was investigated before (route A) and after (route B) telomerase elongation reaction. Bot... Read More about Amplification-free and direct fluorometric determination of telomerase activity in cell lysates using chimeric DNA-templated silver nanoclusters.

Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma (2018)
Journal Article
Hsu, W.-H., Sánchez-Gómez, P., Gomez-Ibarlucea, E., Ivanov, D. P., Rahman, R., Grabowska, A. M., Csaba, N., Alexander, C., & Garcia-Fuentes, M. (2019). Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma. Advanced Therapeutics, 2(3), Article 1800126. https://doi.org/10.1002/adtp.201800126

Safe and efficient gene delivery vectors will enhance the prospects for polynucleotide-based therapies. Herein a new approach toward structurally optimized gene vector design based on the preparation of clickable poly(allylamino-phosphazene)s that ca... Read More about Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma.

The invasive region of glioblastoma defined by 5ALA guided surgery has an altered cancer stem cell marker profile compared to central tumour (2017)
Journal Article
Smith, S. J., Diksin, M., Chhaya, S., Sairam, S., Estevez-Cebrero, M. A., & Rahman, R. (2017). The invasive region of glioblastoma defined by 5ALA guided surgery has an altered cancer stem cell marker profile compared to central tumour. International Journal of Molecular Sciences, 18(11), https://doi.org/10.3390/ijms18112452

Glioblastoma, a WHO grade IV astrocytoma, is a highly aggressive and heterogeneous tumour that infiltrates deeply into surrounding brain parenchyma, making complete surgical resection impossible. Despite chemo-radiotherapy, the residual cell populati... Read More about The invasive region of glioblastoma defined by 5ALA guided surgery has an altered cancer stem cell marker profile compared to central tumour.

The molecular and phenotypic basis of the glioma invasive perivascular niche (2017)
Journal Article
Diksin, M., Smith, S. J., & Rahman, R. (2017). The molecular and phenotypic basis of the glioma invasive perivascular niche. International Journal of Molecular Sciences, 18(11), Article 2342. https://doi.org/10.3390/ijms18112342

Gliomas are devastating brain cancers that have poor prognostic outcomes for their patients. Short overall patient survival is due to a lack of durable, efficacious treatment options. Such therapeutic difficulties exist, in part, due to several gliom... Read More about The molecular and phenotypic basis of the glioma invasive perivascular niche.

Evaluation of a novel antibody to define histone 3.3 G34R mutant brain tumours (2017)
Journal Article
Haque, F., Varlet, P., Puntonet, J., Storer, L., Bountali, A., Rahman, R., Grill, J., Carcaboso, A. M., Jones, C., Layfield, R., & Grundy, R. G. (2017). Evaluation of a novel antibody to define histone 3.3 G34R mutant brain tumours. Acta Neuropathologica Communications, 5, 1-9. https://doi.org/10.1186/s40478-017-0449-1

Missense somatic mutations affecting histone H3.1 and H3.3 proteins are now accepted as the hallmark of paediatric diffuse intrinsic pontine gliomas (DIPG), non-brain stem paediatric high grade gliomas (pHGG) as well as a subset of adult glioblastoma... Read More about Evaluation of a novel antibody to define histone 3.3 G34R mutant brain tumours.

Highlights of children with Cancer UK’s workshop on drug delivery in paediatric brain tumours (2016)
Journal Article
Nailor, A., Walker, D. A., Jacques, T. S., Warren, K. E., Brem, H., Kearns, P. R., Greenwood, J., Penny, J. I., Pilkington, G. J., Carcaboso, A. M., Fleischhack, G., Macarthur, D., Slavc, I., Meijer, L., Gill, S., Lowis, S., van Vuurden, D. G., Pearl, M. S., Clifford, S. C., Morrissy, A. S., …Kilday, J.-P. (2016). Highlights of children with Cancer UK’s workshop on drug delivery in paediatric brain tumours. ecancermedicalscience, 10(630), https://doi.org/10.3332/ecancer.2016.630

The first Workshop on Drug Delivery in Paediatric Brain Tumours was hosted in London by the charity Children with Cancer UK. The goals of the workshop were to break down the barriers to treating central nervous system (CNS) tumours in children, leadi... Read More about Highlights of children with Cancer UK’s workshop on drug delivery in paediatric brain tumours.

Endothelial-like malignant glioma cells in dynamic three dimensional culture identifies a role for VEGF and FGFR in a tumor-derived angiogenic response (2015)
Journal Article
Smith, S. J., Ward, J. H., Tan, C., Grundy, R. G., & Rahman, R. (2015). Endothelial-like malignant glioma cells in dynamic three dimensional culture identifies a role for VEGF and FGFR in a tumor-derived angiogenic response. Oncotarget, 6(26), 22191-22205. https://doi.org/10.18632/oncotarget.4339

Aims: Recent studies have observed that cells from high-grade glial tumors are capable of assuming an endothelial phenotype and genotype, a process termed ‘vasculogenic mimicry’ (VM). Here we model and manipulate VM in dynamic 3-dimensional (3D) glio... Read More about Endothelial-like malignant glioma cells in dynamic three dimensional culture identifies a role for VEGF and FGFR in a tumor-derived angiogenic response.

Expression alterations define unique molecular characteristics of spinal ependymomas (2015)
Journal Article
Lourdusamy, A., Rahman, R., & Grundy, R. G. (2015). Expression alterations define unique molecular characteristics of spinal ependymomas. Oncotarget, 6(23), https://doi.org/10.18632/oncotarget.3715

Ependymomas are glial tumors that originate in either intracranial or spinal regions. Although tumors from different regions are histologically similar, they are biologically distinct. We therefore sought to identify molecular characteristics of spin... Read More about Expression alterations define unique molecular characteristics of spinal ependymomas.

Surgical delivery of drug releasing poly(lactic-co-glycolic acid)/poly(ethylene glycol) paste with in vivo effects against glioblastoma (2014)
Journal Article
Smith, S. J., Rahman, C. V., Ritchie, A. A., Gould, T. W., Ward, J. H., Shakesheff, K. M., Grundy, R. G., Rahman, R., & Clarke, P. A. (2014). Surgical delivery of drug releasing poly(lactic-co-glycolic acid)/poly(ethylene glycol) paste with in vivo effects against glioblastoma. Annals of The Royal College of Surgeons of England, 96(7), 495-501. https://doi.org/10.1308/003588414X13946184903568

Introduction: The median survival of patients with glioblastoma multiforme (astrocytoma grade 4) remains less than 18 months despite radical surgery, radiotherapy and systemic chemotherapy. Surgical implantation of chemotherapy eluting wafers into th... Read More about Surgical delivery of drug releasing poly(lactic-co-glycolic acid)/poly(ethylene glycol) paste with in vivo effects against glioblastoma.

EM-010, Gene expression profiling of pediatric ependymomas from the posterior fossa reveals key differences with adult ependymomas (2014)
Presentation / Conference Contribution
Lourdusamy, A., Rogers, H., Rahman, R., Ward, J., & Grundy, R. EM-010, Gene expression profiling of pediatric ependymomas from the posterior fossa reveals key differences with adult ependymomas

BACKGROUND: Ependymoma in children and adults show distinct pathogenesis, biology, and clinical features, it is important to elucidate the transcriptional features that distinguish pediatric ependymomas from adults arising in same anatomical region.... Read More about EM-010, Gene expression profiling of pediatric ependymomas from the posterior fossa reveals key differences with adult ependymomas.

RHPS4 G-quadruplex ligand induces anti-proliferative effects in brain tumor cells (2014)
Journal Article
Lagah, S., Tan, I.-L., Radhakrishnan, P., Hirst, R. A., Ward, J. H., O'Callaghan, C., Smith, S. J., Stevens, M. F., Grundy, R. G., & Rahman, R. (2014). RHPS4 G-quadruplex ligand induces anti-proliferative effects in brain tumor cells. PLoS ONE, 9(1), Article e86187. https://doi.org/10.1371/journal.pone.0086187

Background
Telomeric 3’ overhangs can fold into a four-stranded DNA structure termed G-quadruplex (G4), a formation which inhibits telomerase. As telomerase activation is crucial for telomere maintenance in most cancer cells, several classes of G4... Read More about RHPS4 G-quadruplex ligand induces anti-proliferative effects in brain tumor cells.

Adjuvant chemotherapy for brain tumors delivered via a novel intra-cavity moldable polymer matrix (2013)
Journal Article
Rahman, C. V., Smith, S. J., Morgan, P. S., Langmack, K. A., Clarke, P. A., Ritchie, A. A., Macarthur, D. C., Rose, F. R., Shakesheff, K. M., Grundy, R. G., & Rahman, R. (2013). Adjuvant chemotherapy for brain tumors delivered via a novel intra-cavity moldable polymer matrix. PLoS ONE, 8(10), Article e77435. https://doi.org/10.1371/journal.pone.0077435

INTRODUCTION

Polymer-based delivery systems offer innovative intra-cavity administration of drugs, with the potential to better target micro-deposits of cancer cells in brain parenchyma beyond the resected cavity. Here we evaluate clinical utility... Read More about Adjuvant chemotherapy for brain tumors delivered via a novel intra-cavity moldable polymer matrix.

Recapitulation of tumor heterogeneity and molecular signatures in a 3D brain cancer model with decreased sensitivity to histone deacetylase inhibition (2012)
Journal Article
Smith, S. J., Wilson, M., Ward, J. H., Rahman, C. V., Peet, A. C., Macarthur, D. C., Rose, F. R., Grundy, R. G., & Rahman, R. (2012). Recapitulation of tumor heterogeneity and molecular signatures in a 3D brain cancer model with decreased sensitivity to histone deacetylase inhibition. PLoS ONE, 7(12), Article e52335. https://doi.org/10.1371/journal.pone.0052335

INTRODUCTION

Physiologically relevant pre-clinical ex vivo models recapitulating CNS tumor micro-environmental complexity will aid development of biologically-targeted agents. We present comprehensive characterization of tumor aggregates generated... Read More about Recapitulation of tumor heterogeneity and molecular signatures in a 3D brain cancer model with decreased sensitivity to histone deacetylase inhibition.

Telomere maintenance and telomerase activity are differentially regulated in asexual and sexual worms (2012)
Journal Article
Tan, T. C., Rahman, R., Jaber-Hijazi, F., Felix, D. A., Chen, C., Louis, E. J., & Aboobaker, A. (2012). Telomere maintenance and telomerase activity are differentially regulated in asexual and sexual worms. Proceedings of the National Academy of Sciences, 109(11), https://doi.org/10.1073/pnas.1118885109

In most sexually reproducing animals, replication and maintenance of telomeres occurs in the germ line and during early development in embryogenesis through the use of telomerase. Somatic cells generally do not maintain telomere sequences, and these... Read More about Telomere maintenance and telomerase activity are differentially regulated in asexual and sexual worms.

Histone deacetylase inhibition as an anticancer telomerase-targeting strategy (2011)
Journal Article
Rahman, R., & Grundy, R. (2011). Histone deacetylase inhibition as an anticancer telomerase-targeting strategy. International Journal of Cancer, 129(12), 2765-2774. https://doi.org/10.1002/ijc.26241

Aberrant epigenetic regulation of gene expression contributes to tumor initiation and progression. Studies from a plethora of hematologic and solid tumors support the use of histone deacetylase inhibitors (HDACi) as potent anticancer agents. The mech... Read More about Histone deacetylase inhibition as an anticancer telomerase-targeting strategy.

Antiangiogenic therapy and mechanisms of tumor resistance in malignant glioma (2010)
Journal Article
Rahman, R., Smith, S., Rahman, C., & Grundy, R. (2010). Antiangiogenic therapy and mechanisms of tumor resistance in malignant glioma. Journal of Oncology, 2010, 1-16. https://doi.org/10.1155/2010/251231

Despite advances in surgery, radiation therapy, and chemotherapeutics, patients with malignant glioma have a dismal prognosis. The formations of aberrant tumour vasculature and glioma cell invasion are major obstacles for effective treatment. Angioge... Read More about Antiangiogenic therapy and mechanisms of tumor resistance in malignant glioma.