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All Outputs (28)

Preparation of Dried Amniotic Membrane for Corneal Repair (2020)
Book Chapter
Hopkinson, A., Britchford, E. R., & Sidney, L. E. (2020). Preparation of Dried Amniotic Membrane for Corneal Repair. In M. Ahearne (Ed.), Corneal Regeneration: Methods and Protocols (143-157). Springer US. https://doi.org/10.1007/978-1-0716-0599-8_10

Amniotic membrane transplantation is an established therapeutic and biological adjunct for several clinical situations, including treatment of diabetic foot ulcers and ocular surface disease. However, poorly standardized and validated clinical prepar... Read More about Preparation of Dried Amniotic Membrane for Corneal Repair.

Bioinspired Precision Engineering of Three-Dimensional Epithelial Stem Cell Microniches (2020)
Journal Article
Prina, E., Amer, M. H., Sidney, L., Tromayer, M., Moore, J., Liska, R., …Rose, F. R. (2020). Bioinspired Precision Engineering of Three-Dimensional Epithelial Stem Cell Microniches. Advanced Biosystems, 4(6), Article 2000016. https://doi.org/10.1002/adbi.202000016

© 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Maintenance of the epithelium relies on stem cells residing within specialized microenvironments, known as epithelial crypts. Two-photon polymerization (2PP) is a valuable... Read More about Bioinspired Precision Engineering of Three-Dimensional Epithelial Stem Cell Microniches.

Image processing algorithm to determine an optimised 2D laser cutting trajectory (2019)
Conference Proceeding
Syam, W. P., Bansal, R., Benardos, P., Britchford, E., Hopkinson, A., Voisey, K., & Branson, D. T. (2019). Image processing algorithm to determine an optimised 2D laser cutting trajectory. In Proceedings of 25th IEEE International Conference on Automation & Computing (ICAC'19) (1-6)

Laser cutting processes offer high-quality and fast cutting capability across a wide variety of materials, including metals, plastics and organic tissues. To enable 2D laser cutting process, a set of (x, y) Cartesian coordinates that form a cutting t... Read More about Image processing algorithm to determine an optimised 2D laser cutting trajectory.

Validation and assessment of an antibiotic-based, aseptic decontamination manufacturing protocol for therapeutic, vacuum-dried human amniotic membrane (2019)
Journal Article
Marsit, N. M., Sidney, L. E., Britchford, E. R., McIntosh, O. D., Allen, C. L., Ashraf, W., …Hopkinson, A. (2019). Validation and assessment of an antibiotic-based, aseptic decontamination manufacturing protocol for therapeutic, vacuum-dried human amniotic membrane. Scientific Reports, 9(1), Article 12854. https://doi.org/10.1038/s41598-019-49314-7

© 2019, The Author(s). Amniotic membrane (AM) is used to treat a range of ophthalmic indications but must be presented in a non-contaminated state. AM from elective caesarean sections contains natural microbial contamination, requiring removal during... Read More about Validation and assessment of an antibiotic-based, aseptic decontamination manufacturing protocol for therapeutic, vacuum-dried human amniotic membrane.

Anti-inflammatory potential of human corneal stroma-derived stem cells determined by a novel in vitro corneal epithelial injury model (2019)
Journal Article
Morales, M. L. O., Marsit, N. M., McIntosh, O. D., Hopkinson, A., & Sidney, L. E. (2019). Anti-inflammatory potential of human corneal stroma-derived stem cells determined by a novel in vitro corneal epithelial injury model. World Journal of Stem Cells, 11(2), 84-99. https://doi.org/10.4252/wjsc.v11.i2.84

BACKGROUND An in vitro injury model mimicking a corneal surface injury was optimised using human corneal epithelial cells (hCEC). AIM To investigate whether corneal-stroma derived stem cells (CSSC) seeded on an amniotic membrane (AM) construct m... Read More about Anti-inflammatory potential of human corneal stroma-derived stem cells determined by a novel in vitro corneal epithelial injury model.

A thermoresponsive three-dimensional fibrous cell culture platform for enzyme-free expansion of mammalian cells (2019)
Journal Article
Aladdad, A. M., Amer, M. H., Sidney, L., Hopkinson, A., White, L. J., Alexander, C., & Rose, F. R. (2019). A thermoresponsive three-dimensional fibrous cell culture platform for enzyme-free expansion of mammalian cells. Acta Biomaterialia, 95, 427-438. https://doi.org/10.1016/j.actbio.2019.01.037

A three-dimensional thermoresponsive fibrous scaffold system for the subsequent extended culture and enzyme-free passaging of a range of mammalian cell types is presented. Poly(PEGMA188) was incorporated with poly(ethylene terephthalate) (PET) via bl... Read More about A thermoresponsive three-dimensional fibrous cell culture platform for enzyme-free expansion of mammalian cells.

In vitro evaluation of electrospun blends of gelatin and PCL for application as a partial thickness corneal graft (2018)
Journal Article
Rose, J., Sidney, L., Patient, J., White, L., Dua, H., El Haj, A., …Rose, F. (2018). In vitro evaluation of electrospun blends of gelatin and PCL for application as a partial thickness corneal graft. Journal of Biomedical Materials Research Part A, 107(4), 828-838. https://doi.org/10.1002/jbm.a.36598

The advent of innovative surgical procedures utilizing partial thickness corneal grafts has created a need for the development of synthetic implants to recreate corneal stromal tissue. This work evaluates electrospun gelatin and polycaprolactone (PCL... Read More about In vitro evaluation of electrospun blends of gelatin and PCL for application as a partial thickness corneal graft.

Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche (2018)
Working Paper
Prina, E., Sidney, L., Tromayer, M., Moore, J., Liska, R., Bertolin, M., …Rose, F. R. Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche

Stem cells within epithelial tissues reside in anatomical structures known as crypts that are known to contribute to the mechanical and chemical milieu important for function. To date, epithelial stem cell therapies have largely ignored the niche and... Read More about Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche.

3D microfabricated scaffolds and microfluidic devices for ocular surface replacement: a review (2017)
Journal Article
Prina, E., Mistry, P., Sidney, L. E., Yang, J., Wildman, R. D., Bertolin, M., …Rose, F. R. A. (2017). 3D microfabricated scaffolds and microfluidic devices for ocular surface replacement: a review. Stem Cell Reviews and Reports, 13(3), 430-441. https://doi.org/10.1007/s12015-017-9740-6

In recent years, there has been increased research interest in generating corneal substitutes, either for use in the clinic or as in vitro corneal models. The advancement of 3D microfabrication technologies has allowed the reconstruction of the nativ... Read More about 3D microfabricated scaffolds and microfluidic devices for ocular surface replacement: a review.

Cultivation and characterisation of the surface markers and carbohydrate profile of human corneal endothelial cells (2016)
Journal Article
Nagymihály, R., Veréb, Z., Albert, R., Sidney, L., Dua, H., Hopkinson, A., & Petrovski, G. (2017). Cultivation and characterisation of the surface markers and carbohydrate profile of human corneal endothelial cells. Clinical and Experimental Ophthalmology, 45(5), 509-519. https://doi.org/10.1111/ceo.12903

Background The study aims to characterise human corneal endothelial cell (HCEnC) cultures generated by the peel?and?digest method based on their surface protein/carbohydrate expression pattern. Methods Quantitative polymerase chain reaction was... Read More about Cultivation and characterisation of the surface markers and carbohydrate profile of human corneal endothelial cells.

Terminal sterilization: conventional methods versus emerging cold atmospheric pressure plasma technology for non-viable biological tissues (2016)
Journal Article
Marsit, N. M., Sidney, L. E., Branch, M. J., Wilson, S. L., & Hopkinson, A. (in press). Terminal sterilization: conventional methods versus emerging cold atmospheric pressure plasma technology for non-viable biological tissues. Plasma Processes and Polymers, https://doi.org/10.1002/ppap.201600134

Tissue products are susceptible to microbial contamination from different sources, which may cause disease transmission upon transplantation. Terminal sterilization using gamma radiation, electron-beam, and ethylene oxide protocols are well-establish... Read More about Terminal sterilization: conventional methods versus emerging cold atmospheric pressure plasma technology for non-viable biological tissues.

Effect of culture medium on propagation and phenotype of corneal stroma-derived stem cells (2015)
Journal Article
Sidney, L. E., Branch, M. J., Dua, H. S., & Hopkinson, A. (2015). Effect of culture medium on propagation and phenotype of corneal stroma-derived stem cells. Cytotherapy, 17(12), https://doi.org/10.1016/j.jcyt.2015.08.003

Background: The limbal area of the corneal stroma has been identified as a source of mesenchymal-like stem cells, which have potential for exploitation as a cell therapy. However, the optimal culture conditions are disputed and few direct media compa... Read More about Effect of culture medium on propagation and phenotype of corneal stroma-derived stem cells.

Phenotypic change and induction of cytokeratin expression during in vitro culture of corneal stromal cells (2015)
Journal Article
Sidney, L. E., McIntosh, O. D., & Hopkinson, A. (2015). Phenotypic change and induction of cytokeratin expression during in vitro culture of corneal stromal cells. Investigative Ophthalmology & Visual Science, 56(12), https://doi.org/10.1167/iovs.15-17810

Purpose: Cells of the corneal epithelium and stroma can be distinguished in vivo by different intermediate filaments, cytokeratins for corneal epithelial cells (CEC) and vimentin for keratocytes. Isolated and cultured keratocytes change phenotype, lo... Read More about Phenotypic change and induction of cytokeratin expression during in vitro culture of corneal stromal cells.

Corneal Decellularization: A Method of Recycling Unsuitable Donor Tissue for Clinical Translation? (2015)
Journal Article
Wilson, S. L., Sidney, L. E., Dunphy, S. E., Dua, H. S., & Hopkinson, A. (2016). Corneal Decellularization: A Method of Recycling Unsuitable Donor Tissue for Clinical Translation?. Current Eye Research, 41(6), 769-782. https://doi.org/10.3109/02713683.2015.1062114

Background: There is a clinical need for biomimetic corneas that are as effective, preferably superior, to cadaveric donor tissue. Decellularized tissues are advantageous compared to synthetic or semi-synthetic engineered tissues in that the native m... Read More about Corneal Decellularization: A Method of Recycling Unsuitable Donor Tissue for Clinical Translation?.

In vitro studies on the antimicrobial peptide human beta-defensin 9 (HBD9): signalling pathways and pathogen-related response (an American Ophthalmological Society thesis) (2014)
Journal Article
Dua, H. S., Otri, A. M., Hopkinson, A., & Mohammed, I. (2014). In vitro studies on the antimicrobial peptide human beta-defensin 9 (HBD9): signalling pathways and pathogen-related response (an American Ophthalmological Society thesis). Transactions of the American Ophthalmological Society, 112, 50-73

Purpose: Human β-defensins (HBDs) are an important part of the innate immune host defense at the ocular surface. Unlike other defensins, expression of HBD9 at the ocular surface is reduced during microbial infection, but activation of toll-like recep... Read More about In vitro studies on the antimicrobial peptide human beta-defensin 9 (HBD9): signalling pathways and pathogen-related response (an American Ophthalmological Society thesis).

Concise review: evidence for CD34 as a common marker for diverse progenitors (2014)
Journal Article
Sidney, L. E., Branch, M. J., Dunphy, S. E., Dua, H. S., & Hopkinson, A. (2014). Concise review: evidence for CD34 as a common marker for diverse progenitors. STEM CELLS, 32(6), 1380-1389. https://doi.org/10.1002/stem.1661

CD34 is a transmembrane phosphoglycoprotein, first identified on hematopoietic stem and progenitor cells. Clinically, it is associated with the selection and enrichment of hematopoietic stem cells for bone marrow transplants. Due to these historical... Read More about Concise review: evidence for CD34 as a common marker for diverse progenitors.

Optimised laser microdissection of the human ocular surface epithelial regions for microarray studies (2013)
Journal Article
Kulkarn, B. B. .., Powe, D. G., Hopkinson, A., & Dua, H. S. (2013). Optimised laser microdissection of the human ocular surface epithelial regions for microarray studies. BMC Ophthalmology, 13, Article 62. https://doi.org/10.1186/1471-2415-13-62

Background The most important challenge of performing insitu transcriptional profiling of the human ocular surface epithelial regions is obtaining samples in sufficient amounts, without contamination from adjacent tissue, as the region of interest i... Read More about Optimised laser microdissection of the human ocular surface epithelial regions for microarray studies.

Characterization of corneal stromal stem cells with the potential for epithelial transdifferentiation (2013)
Journal Article
Hashmani, K., Branch, M. J., Sidney, L. E., Dhillon, P. S., Verma, M., McIntosh, O. D., …Dua, H. S. (2013). Characterization of corneal stromal stem cells with the potential for epithelial transdifferentiation. Stem Cell Research and Therapy, 4(3), Article 75. https://doi.org/10.1186/scrt226

Introduction: The corneal stroma is being increasingly recognized as a repository for stem cells. Like the limbal and endothelial niches, stromal stem cells often reside in the peripheral cornea and limbus. These peripheral and limbal corneal stromal... Read More about Characterization of corneal stromal stem cells with the potential for epithelial transdifferentiation.