All Outputs (34)

PLGA-PEG-PLGA hydrogels induce cytotoxicity in conventional in vitro assays (2024)
Journal Article
Stewart, C. L., Hook, A. L., Zelzer, M., Marlow, M., & Piccinini, A. M. (2024). PLGA-PEG-PLGA hydrogels induce cytotoxicity in conventional in vitro assays. Cell Biochemistry and Function, 42(5), Article e4097. https://doi.org/10.1002/cbf.4097

We identified that PLGA-PEG-PLGA hydrogels, which have been used in human clinical trials and possess a demonstrable safety profile, induced significant cytotoxicity in conventional in vitro assays. This major contradiction may lead to inconsistent a... Read More about PLGA-PEG-PLGA hydrogels induce cytotoxicity in conventional in vitro assays.

Cellular and microenvironmental cues that promote macrophage fusion and foreign body response (2024)
Journal Article
Stewart, C. L., Marlow, M., Zelzer, M., Hook, A. L., & Piccinini, A. M. (in press). Cellular and microenvironmental cues that promote macrophage fusion and foreign body response. Frontiers in Immunology, 15, https://doi.org/10.3389/fimmu.2024.1411872

During the foreign body response (FBR), macrophages fuse to form foreign body giant cells (FBGCs). Modulation of FBGC formation can prevent biomaterial degradation and loss of therapeutic efficacy. However, the microenvironmental cues that dictate FB... Read More about Cellular and microenvironmental cues that promote macrophage fusion and foreign body response.

Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS) (2024)
Journal Article
Li, Z., Marlow, M., Scurr, D., & Zhu, Z. (2024). Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS). European Journal of Pharmaceutics and Biopharmaceutics, 196, Article 114181. https://doi.org/10.1016/j.ejpb.2024.114181

Hyperpigmentation, a prevalent dermatological condition characterized by melanin overproduction, poses treatment challenges due to the hydrophilicity of alpha-arbutin, a widely utilized tyrosinase inhibitor. This study investigates... Read More about Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS).

Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation (2023)
Journal Article
Xue, S., Li, Z., Ze, X., Wu, X., He, C., Shuai, W., …Xu, S. (2023). Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation. Journal of Medicinal Chemistry, 66(7), 5099–5117. https://doi.org/10.1021/acs.jmedchem.3c00012

Excessive melanin deposition may lead to a series of skin disorders. The production of melanin is carried out by melanocytes, in which the enzyme tyrosinase performs a key role. In this work, we identified a series of novel tyrosinase inhibitor hybri... Read More about Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation.

Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain (2023)
Journal Article
Muresan, P., Woodhams, S., Smith, F., Taresco, V., Shah, J., Wong, M., …Marlow, M. (2023). Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain. Nanomedicine: Nanotechnology, Biology and Medicine, 49, Article 102664. https://doi.org/10.1016/j.nano.2023.102664

We investigated how the biodistribution of cannabidiol (CBD) within the central nervous system (CNS) is influenced by two different formulations, an oil-in-water (O/W) nanoemulsion and polymer-coated nanoparticles (PCNPs). We observed that both CBD f... Read More about Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain.

Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site (2022)
Journal Article
Muresan, P., McCrorie, P., Smith, F., Vasey, C., Taresco, V., Scurr, D. J., …Marlow, M. (2023). Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site. European Journal of Pharmaceutics and Biopharmaceutics, 182, 53-61. https://doi.org/10.1016/j.ejpb.2022.11.016

Systemic drug delivery to the central nervous system (CNS) has been historically impeded by the presence of the blood brain barrier rendering many therapies inefficacious to any cancer cells residing within the brain. Therefore, local drug delivery s... Read More about Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site.

The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study (2022)
Journal Article
Smith, F., Sabri, A. H., Heppel, M., Fonseca, I., Chowdhury, F., Cheung, K., …Marlow, M. (2022). The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study. International Journal of Pharmaceutics, 628, Article 122234. https://doi.org/10.1016/j.ijpharm.2022.122234

Microneedles have the clinical advantage of being able to deliver complex drugs across the skin in a convenient and comfortable manner yet haven't successfully transitioned to medical practice. Diabetes mellitus is a complicated disease, which is com... Read More about The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study.

Development of a nanocapsule-loaded hydrogel for drug delivery for intraperitoneal administration (2022)
Journal Article
Teja Surikutchi, B., Obenza-Otero, R., Russo, E., Zelzer, M., Golán Cancela, I., Costoya, J. A., …Marlow, M. (2022). Development of a nanocapsule-loaded hydrogel for drug delivery for intraperitoneal administration. International Journal of Pharmaceutics, 622, Article 121828. https://doi.org/10.1016/j.ijpharm.2022.121828

Intraperitoneal (IP) drug delivery of chemotherapeutic agents, administered through hyperthermal intraperitoneal chemotherapy (HIPEC) and pressurized intraperitoneal aerosolized chemotherapy (PIPAC), is effective for the treatment of peritoneal malig... Read More about Development of a nanocapsule-loaded hydrogel for drug delivery for intraperitoneal administration.

Detection of Label-Free Drugs within Brain Tissue Using Orbitrap Secondary Ion Mass Spectrometry as a Complement to Neuro-Oncological Drug Delivery (2022)
Journal Article
McCrorie, P., Rowlinson, J., Scurr, D. J., Marlow, M., & Rahman, R. (2022). Detection of Label-Free Drugs within Brain Tissue Using Orbitrap Secondary Ion Mass Spectrometry as a Complement to Neuro-Oncological Drug Delivery. Pharmaceutics, 14(3), Article 571. https://doi.org/10.3390/pharmaceutics14030571

Historically, pre-clinical neuro-oncological drug delivery studies have exhaustively relied upon overall animal survival as an exclusive measure of efficacy. However, with no adopted methodology to both image and quantitate brain parenchyma penetrati... Read More about Detection of Label-Free Drugs within Brain Tissue Using Orbitrap Secondary Ion Mass Spectrometry as a Complement to Neuro-Oncological Drug Delivery.

Surface-controlled spatially heterogeneous physical properties of a supramolecular gel with homogeneous chemical composition (2021)
Journal Article
Yang, B., Lledos, M., Akhtar, R., Ciccone, G., Jiang, L., Russo, E., …Zelzer, M. (2021). Surface-controlled spatially heterogeneous physical properties of a supramolecular gel with homogeneous chemical composition. Chemical Science, 12(42), 14260-14269. https://doi.org/10.1039/d1sc04671c

Controlling supramolecular self-assembly across multiple length scales to prepare gels with localised properties is challenging. Most strategies concentrate on fabricating gels with heterogeneous components, where localised properties are generated b... Read More about Surface-controlled spatially heterogeneous physical properties of a supramolecular gel with homogeneous chemical composition.

Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma (2020)
Journal Article
McCrorie, P., Vasey, C. E., Smith, S. J., Marlow, M., Alexander, C., & Rahman, R. (2020). Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma. Journal of Controlled Release, 328, 917-931. https://doi.org/10.1016/j.jconrel.2020.11.022

© 2020 We review the challenges of next-generation therapeutics for both systemic and localised delivery to brain tumours and discuss how recent engineering advances may be used to enhance brain penetration of systemic delivery therapies. The unmet c... Read More about Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma.

Etoposide and olaparib polymer-coated nanoparticles within a bioadhesive sprayable hydrogel for post-surgical localised delivery to brain tumours (2020)
Journal Article
McCrorie, P., Mistry, J., Taresco, V., Lovato, T., Fay, M., Ward, I., …Rahman, R. (2020). Etoposide and olaparib polymer-coated nanoparticles within a bioadhesive sprayable hydrogel for post-surgical localised delivery to brain tumours. European Journal of Pharmaceutics and Biopharmaceutics, 157, 108-120. https://doi.org/10.1016/j.ejpb.2020.10.005

Glioblastoma is a malignant brain tumour with a median survival of 14.6 months from diagnosis. Despite maximal surgical resection and concurrent chemoradiotherapy, reoccurrence is inevitable. To try combating the disease at a stage of low residual tu... Read More about Etoposide and olaparib polymer-coated nanoparticles within a bioadhesive sprayable hydrogel for post-surgical localised delivery to brain tumours.

Intradermal delivery of imiquimod using polymeric microneedles for basal cell carcinoma (2020)
Journal Article
Sabri, A. H., Cater, Z., Gurnani, P., Ogilvie, J., Segal, J., Scurr, D. J., & Marlow, M. (2020). Intradermal delivery of imiquimod using polymeric microneedles for basal cell carcinoma. International Journal of Pharmaceutics, 589, Article 119808. https://doi.org/10.1016/j.ijpharm.2020.119808

Despite being one of the most efficacious drugs used in the treatment of basal cell carcinoma (BCC), imiquimod has limited cutaneous permeation. The current work presents the development of polyvinylpyrrolidone-co-vinyl acetate (PVPVA) microneedles l... Read More about Intradermal delivery of imiquimod using polymeric microneedles for basal cell carcinoma.

Intradermal Delivery of an Immunomodulator for Basal Cell Carcinoma; Expanding the Mechanistic Insight into Solid Microneedle-Enhanced Delivery of Hydrophobic Molecules (2020)
Journal Article
Sabri, A., Ogilvie, J., McKenna, J., Segal, J., Scurr, D., & Marlow, M. (2020). Intradermal Delivery of an Immunomodulator for Basal Cell Carcinoma; Expanding the Mechanistic Insight into Solid Microneedle-Enhanced Delivery of Hydrophobic Molecules. Molecular Pharmaceutics, 17(8), 2925–2937. https://doi.org/10.1021/acs.molpharmaceut.0c00347

Basal cell carcinoma (BCC) is the most common cutaneous malignancy in humans. One of the most efficacious drugs used in the management of BCC is the immunomodulator, imiquimod. However, imiquimod has physiochemical properties that limit its permeatio... Read More about Intradermal Delivery of an Immunomodulator for Basal Cell Carcinoma; Expanding the Mechanistic Insight into Solid Microneedle-Enhanced Delivery of Hydrophobic Molecules.

Characterisation of mechanical insertion of commercial microneedles (2020)
Journal Article
Sabri, A. H., Cater, Z., Ogilvie, J., Scurr, D. J., Marlow, M., & Segal, J. (2020). Characterisation of mechanical insertion of commercial microneedles. Journal of Drug Delivery Science and Technology, 58, Article 101766. https://doi.org/10.1016/j.jddst.2020.101766

The protection provided by the human skin is mostly attributed to the stratum corneum. However, this barrier also limits the range of molecules that can be delivered into and across the skin. One of the methods to overcome this physiological barrier... Read More about Characterisation of mechanical insertion of commercial microneedles.

Mechanistic investigations into the encapsulation and release of small molecules and proteins from a supramolecular nucleoside gel in vitro and in vivo (2019)
Journal Article
Faidra Angelerou, M. G., Markus, R., Paraskevopoulou, V., Foralosso, R., Clarke, P., Alvarez, C. V., …Marlow, M. (2020). Mechanistic investigations into the encapsulation and release of small molecules and proteins from a supramolecular nucleoside gel in vitro and in vivo. Journal of Controlled Release, 317, 118-129. https://doi.org/10.1016/j.jconrel.2019.10.011

Supramolecular gels have recently emerged as promising biomaterials for the delivery of a wide range of bioactive molecules, from small hydrophobic drugs to large biomolecules such as proteins. Although it has been demonstrated that each encapsulated... Read More about Mechanistic investigations into the encapsulation and release of small molecules and proteins from a supramolecular nucleoside gel in vitro and in vivo.

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., …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.

A novel low molecular weight nanocomposite hydrogel formulation for intra-tumoural delivery of anti-cancer drugs (2019)
Journal Article
Štaka, I., Cadete, A., Surikutchi, B. T., Abuzaid, H., Bradshaw, T. D., Alonso, M. J., & Marlow, M. (2019). A novel low molecular weight nanocomposite hydrogel formulation for intra-tumoural delivery of anti-cancer drugs. International Journal of Pharmaceutics, 565, 151-161. https://doi.org/10.1016/j.ijpharm.2019.04.070

Herein, an injectable formulation composed of a low molecular weight gelator (LMWG) based hydrogel and drug-loaded polymeric nanocapsules (NCs) is described. The NCs, made of hyaluronic acid and polyglutamic acid and loaded with C14-Gemcitabine (GEM... Read More about A novel low molecular weight nanocomposite hydrogel formulation for intra-tumoural delivery of anti-cancer drugs.

Insight into imiquimod skin permeation and increased delivery using microneedle pre-treatment (2019)
Journal Article
Al-Mayahy, M. H., Sabri, A. H., Rutland, C. S., Holmes, A., McKenna, J., Marlow, M., & Scurr, D. J. (2019). Insight into imiquimod skin permeation and increased delivery using microneedle pre-treatment. European Journal of Pharmaceutics and Biopharmaceutics, 139, 33-43. https://doi.org/10.1016/j.ejpb.2019.02.006

Basal cell carcinoma (BCC) is the most common skin cancer in humans. Topical treatment with imiquimod provides a non-invasive, self-administered treatment with relatively low treatment cost. Despite displaying excellent efficacy, imiquimod is only li... Read More about Insight into imiquimod skin permeation and increased delivery using microneedle pre-treatment.

Hydrophobicity of surface-immobilised molecules influences architectures formed via interfacial self-assembly of nucleoside-based gelators (2018)
Journal Article
Angelerou, M. G. F., Yang, B., Arnold, T., Rawle, J., Marlow, M., & Zelzer, M. (2018). Hydrophobicity of surface-immobilised molecules influences architectures formed via interfacial self-assembly of nucleoside-based gelators. Soft Matter, 14(48), 9851-9855. https://doi.org/10.1039/c8sm01868e

Surface-mediated self-assembly has potential in biomaterial development but underlying rules governing surface-gelator interactions are poorly understood. Here, we correlate surface properties with structural characterization data of nucleoside-based... Read More about Hydrophobicity of surface-immobilised molecules influences architectures formed via interfacial self-assembly of nucleoside-based gelators.