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Outputs (11)

Investigating histidinylated highly branched poly(lysine) for siRNA delivery (2021)
Journal Article
Alazzo, A., Gumus, N., Gurnani, P., Stolnik, S., Rahman, R., Spriggs, K., & Alexander, C. (2022). Investigating histidinylated highly branched poly(lysine) for siRNA delivery. Journal of Materials Chemistry B, 10(2), 236-246. https://doi.org/10.1039/d1tb01793d

The temporary silencing of disease-associated genes utilising short interfering RNA (siRNA) is a potent and selective route for addressing a wide range of life limiting disorders. However, the few clinically approved siRNA therapies rely on lipid bas... Read More about Investigating histidinylated highly branched poly(lysine) for siRNA delivery.

Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model (2020)
Journal Article
Taresco, V., Abelha, T. F., Cavanagh, R. J., Vasey, C. E., Anane-Adjei, A. B., Pearce, A. K., …Alexander, C. (2021). Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model. Advanced Therapeutics, 4(1), Article 2000103. https://doi.org/10.1002/adtp.202000103

Amphiphilic block co-polymers composed of poly(ethylene glycol)-co-poly(lactide)-co-poly(2-((tert-butoxycarbonyl)amino)-3-propyl carbonate) (PEG-pLA-pTBPC) are synthesized in monomer ratios and arrangements to enable assembly into nanoparticles with... Read More about Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model.

Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling (2019)
Journal Article
Alazzo, A., Al-Natour, M., Spriggs, K., Stolnik, S., Ghaemmaghami, A., Kim, D., & Alexander, C. (2019). Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling. Molecular Omics, 15(1), 77-87. https://doi.org/10.1039/C8MO00139A

Cationic polymers have emerged as a promising alternative to viral vectors in gene therapy. They are cheap to scale up, easy to functionalise and also presume to be safer than the viral vectors, however many of them are cytotoxic. The large number of... Read More about Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling.

Cytotoxic potential of ethanol extract of Parquetina nigrescens on MCF-7, C4-2WT, HT 29 and HTC 116 cell lines (2018)
Journal Article
M. Onyegeme-Okerenta, B., Agyare, C., D. Bradshaw, T., & A. Spriggs, K. (2018). Cytotoxic potential of ethanol extract of Parquetina nigrescens on MCF-7, C4-2WT, HT 29 and HTC 116 cell lines. African journal of pharmacy and pharmacology, 12(23), 310-318. https://doi.org/10.5897/ajpp2018.4947

The cytotoxic activity of ethanol extract of Parquetina nigrescen was investigated using a (3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, methylene blue and Trypan Blue exclusion assay on four human cancer cell lines, MCF... Read More about Cytotoxic potential of ethanol extract of Parquetina nigrescens on MCF-7, C4-2WT, HT 29 and HTC 116 cell lines.

Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery (2018)
Journal Article
Alazzo, A., Lovato, T., Collins, H. M., Taresco, V., Stolnik, S., Soliman, M. E., …Alexander, C. (2018). Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery. Journal of Interdisciplinary Nanomedicine, 3(2), https://doi.org/10.1002/jin2.36

The successful clinical translation of non-viral gene delivery systems has yet to be achieved due to the biological and technical obstacles to preparing a safe, potent and cost-effective vector. Hyper-branched polymers have emerged as promising candi... Read More about Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery.

Water solubility enhancement of pyrazolo[3,4-d]pyrimidine derivatives via miniaturized polymer-drug microarrays (2018)
Journal Article
Sanna, M., Sicilia, G., Alazzo, A., Singh, N., Musumeci, F., Schenone, S., …Alexander, C. (in press). Water solubility enhancement of pyrazolo[3,4-d]pyrimidine derivatives via miniaturized polymer-drug microarrays. ACS Medicinal Chemistry Letters, 9(3), https://doi.org/10.1021/acsmedchemlett.7b00456

A miniaturized assay was optimized to evaluate the enhanced apparent water solubility of pyrazolo[3,4-d]pyrimidine derivatives used extensively as anticancer drug scaffolds. The applied amount of drugs used in the reported strategy ranged from 5-10 ?... Read More about Water solubility enhancement of pyrazolo[3,4-d]pyrimidine derivatives via miniaturized polymer-drug microarrays.

Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells (2017)
Journal Article
Gulfam, M., Matini, T., Monteiro, P. F., Riva, R., Collins, H., Spriggs, K., …Alexander, C. (2017). Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells. Biomaterials Science, 5, https://doi.org/10.1039/c6bm00888g

Polymer micelles have emerged as promising carriers for controlled release applications, however, several limitations of micelle-based drug delivery have also been reported. To address these issues, we have synthesized a functional biodegradable and... Read More about Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells.

Primase is required for helicase activity and helicase alters the specificity of primase in the enteropathogen Clostridium difficile (2016)
Journal Article
van Eijk, E., Paschalis, V., Green, M., Friggen, A. H., Larson, M. A., Spriggs, K., …Smits, W. K. (2016). Primase is required for helicase activity and helicase alters the specificity of primase in the enteropathogen Clostridium difficile. Open Biology, 6(12), Article 160272. https://doi.org/10.1098/rsob.160272

DNA replication is an essential and conserved process in all domains of life and may serve as a target for the development of new antimicrobials. However, such developments are hindered by subtle mechanistic differences and limited understanding of D... Read More about Primase is required for helicase activity and helicase alters the specificity of primase in the enteropathogen Clostridium difficile.

An internal ribosome entry site in the 5? untranslated region of epidermal growth factor receptor allows hypoxic expression (2015)
Journal Article
Webb, T. E., Hughes, A., Smalley, D., & Spriggs, K. (in press). An internal ribosome entry site in the 5? untranslated region of epidermal growth factor receptor allows hypoxic expression. Oncogenesis, 4, Article e134. https://doi.org/10.1038/oncsis.2014.43

The expression of epidermal growth factor receptor (EGFR/ERBB1/HER1) is implicated in the progress of numerous cancers, a feature that has been exploited in the development of EGFR antibodies and EGFR tyrosine kinase inhibitors as anti-cancer drugs.... Read More about An internal ribosome entry site in the 5? untranslated region of epidermal growth factor receptor allows hypoxic expression.

The malignant phenotype in breast cancer is driven by eIF4A1-mediated changes in the translational landscape (2015)
Journal Article
Modelska, A., Turro, E., Russell, R., Beaton, J., Sbarrato, T., Spriggs, K., …Le Quesne, J. (2015). The malignant phenotype in breast cancer is driven by eIF4A1-mediated changes in the translational landscape. Cell Death and Disease, 6, Article e1603. https://doi.org/10.1038/cddis.2014.542

Human mRNA DeXD/H-box helicases are ubiquitous molecular motors that are required for the majority of cellular processes that involve RNA metabolism. One of the most abundant is eIF4A, which is required during the initiation phase of protein synthesi... Read More about The malignant phenotype in breast cancer is driven by eIF4A1-mediated changes in the translational landscape.