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The antibacterial activity of a photoactivatable diarylacetylene against Gram-positive bacteria (2023)
Journal Article
Waite, R., Adams, C. T., Chisholm, D. R., Sims, C. H. C., Hughes, J. G., Dias, E., …Ambler, C. A. (2023). The antibacterial activity of a photoactivatable diarylacetylene against Gram-positive bacteria. Frontiers in Microbiology, 14, Article 1243818. https://doi.org/10.3389/fmicb.2023.1243818

The emergence of antibiotic resistance is a growing threat to human health, and therefore, alternatives to existing compounds are urgently needed. In this context, a novel fluorescent photoactivatable diarylacetylene has been identified and character... Read More about The antibacterial activity of a photoactivatable diarylacetylene against Gram-positive bacteria.

Regulation of epidermal proliferation and hair follicle cycling by synthetic photostable retinoid EC23 (2023)
Journal Article
Määttä, A., Nixon, R., Robinson, N., Ambler, C. A., Goncalves, K., Maltman, V., & Przyborski, S. (2023). Regulation of epidermal proliferation and hair follicle cycling by synthetic photostable retinoid EC23. Journal of Cosmetic Dermatology, 22(5), https://doi.org/10.1111/jocd.15629

Background Retinoid signaling is an important regulator of the epidermis and skin appendages. Therefore, synthetic retinoids have been developed for therapeutic use for skin disorders such as psoriasis and acne. Aims In previous studies, we showed ho... Read More about Regulation of epidermal proliferation and hair follicle cycling by synthetic photostable retinoid EC23.

Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production (2022)
Journal Article
Hughes, J. G., Chisholm, D. R., Whiting, A., Girkin, J. M., & Ambler, C. A. (2023). Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production. Microscopy and Microanalysis, 29(2), 529-539. https://doi.org/10.1093/micmic/ozac040

Reactive oxygen species (ROS) are naturally produced compounds that play important roles in cell signaling, gene regulation, and biological defense, including involvement in the oxidative burst that is central to the anti-microbial actions of macroph... Read More about Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production.

Cellular localisation of structurally diverse diphenylacetylene fluorophores (2020)
Journal Article
Chisholm, D. R., Hughes, J. G., Blacker, T. S., Humann, R., Adams, C., Callaghan, D., …Whiting, A. (2020). Cellular localisation of structurally diverse diphenylacetylene fluorophores. Organic and Biomolecular Chemistry, 18(45), 9231-9245. https://doi.org/10.1039/d0ob01153c

Fluorescent probes are increasingly used as reporter molecules in a wide variety of biophysical experiments, but when designing new compounds it can often be difficult to anticipate the effect that changing chemical structure can have on cellular loc... Read More about Cellular localisation of structurally diverse diphenylacetylene fluorophores.

Detection and Time-Tracking Activation of a Photosensitiser on Live Single Colorectal Cancer Cells Using Raman Spectroscopy (2020)
Journal Article
Gala De Pablo, J., Chisholm, D., Ambler, C., Peyman, S., Whiting, A., & Evans, S. (2020). Detection and Time-Tracking Activation of a Photosensitiser on Live Single Colorectal Cancer Cells Using Raman Spectroscopy. Analyst, 145(17), 5878-5888. https://doi.org/10.1039/d0an01023e

Raman spectroscopy has been used to observe uptake, metabolism and response of single-cells to drugs. Photodynamic therapy is based on the use of light, a photosensitiser and oxygen to destroy tumour tissue. Here, we used single-cell Raman spectrosco... Read More about Detection and Time-Tracking Activation of a Photosensitiser on Live Single Colorectal Cancer Cells Using Raman Spectroscopy.

Photoactivated cell-killing involving a low molecular weight, donor-acceptor diphenylacetylene (2019)
Journal Article
Chisholm, D., Lamb, R., Pallett, T., Affleck, V., Holden, C., Marrison, J., …Ambler, C. A. (2019). Photoactivated cell-killing involving a low molecular weight, donor-acceptor diphenylacetylene. Chemical Science, 10(17), 4673-4683. https://doi.org/10.1039/c9sc00199a

Photoactivation of photosensitisers can be utilised to elicit the production of ROS, for potential therapeutic applications, including the destruction of diseased tissues and tumours. A novel class of photosensitiser, exemplified by DC324, has been d... Read More about Photoactivated cell-killing involving a low molecular weight, donor-acceptor diphenylacetylene.

Fluorescent retinoic acid analogues as probes for biochemical and intracellular characterization of retinoid signalling pathways (2019)
Journal Article
Chisholm, D., Tomlinson, C., Zhou, G., Holden, C., Affleck, V., Lamb, R., …Pohl, E. (2019). Fluorescent retinoic acid analogues as probes for biochemical and intracellular characterization of retinoid signalling pathways. ACS Chemical Biology, 14(3), 369-377. https://doi.org/10.1021/acschembio.8b00916

Retinoids, such as all-trans-retinoic acid (ATRA), are endogenous signalling molecules derived from Vitamin A that influ-ence a variety of cellular processes through mediation of transcription events in the cell nucleus. Due to these wide-ranging and... Read More about Fluorescent retinoic acid analogues as probes for biochemical and intracellular characterization of retinoid signalling pathways.

Tandem fluorescence and Raman (fluoRaman) characterisation of a novel photosensitiser in colorectal cancer cell line SW480 (2018)
Journal Article
Gala de Pablo, J., Chisholm, D. R., Steffen, A., Nelson, A. K., Mahler, C., Marder, T. B., …Evans, S. D. (2018). Tandem fluorescence and Raman (fluoRaman) characterisation of a novel photosensitiser in colorectal cancer cell line SW480. Analyst, 143(24), 6113-6120. https://doi.org/10.1039/c8an01461b

The development of new imaging tools, molecules and modalities is crucial to understanding biological processes and the localised cellular impact of bioactive compounds. A small molecule photosensitiser, DC473, has been designed to be both highly flu... Read More about Tandem fluorescence and Raman (fluoRaman) characterisation of a novel photosensitiser in colorectal cancer cell line SW480.

Quantitative methods for measuring repair rates and innate-immune cell responses in wounded mouse skin (2018)
Journal Article
Li, Z., Gothard, E., Coles, M. C., & Ambler, C. A. (2018). Quantitative methods for measuring repair rates and innate-immune cell responses in wounded mouse skin. Frontiers in Immunology, 9, Article 347. https://doi.org/10.3389/fimmu.2018.00347

In skin wounds, innate immune cells clear up tissue debris and microbial contamination, and also secrete cytokines and other growth factors that impact repair process such as re-epithelialization and wound closure. After injury, there is a rapid infl... Read More about Quantitative methods for measuring repair rates and innate-immune cell responses in wounded mouse skin.

Medicinal Mascarene Aloe s: An audit of their phytotherapeutic potential (2017)
Journal Article
Lobine, D., Cummins, I., Govinden-Soulange, J., Ranghoo-Sanmukhiya, M., Lindsey, K., Chazot, P., …Howes, M. (2018). Medicinal Mascarene Aloe s: An audit of their phytotherapeutic potential. Fitoterapia, 124, 120-126. https://doi.org/10.1016/j.fitote.2017.10.010

A phytochemical and biological investigation of the endemic Mascarene Aloes (Aloe spp.), including A. tormentorii (Marais) L.E.Newton & G.D.Rowley, A. purpurea Lam, A. macra Haw., A. lomatophylloides Balf.f and A. vera (synonym A. barbadensis Mill.),... Read More about Medicinal Mascarene Aloe s: An audit of their phytotherapeutic potential.

Epidermal Notch1 recruits RORgamma+ group 3 innate lymphoid cells to orchestrate normal skin repair (2016)
Journal Article
Li, Z., Hodgkinson, T., Gothard, E., Boroumand, S., Lamb, R., Cummins, I., …Ambler, C. (2016). Epidermal Notch1 recruits RORgamma+ group 3 innate lymphoid cells to orchestrate normal skin repair. Nature Communications, 7, Article 11394. https://doi.org/10.1038/ncomms11394

Notch has a well-defined role in controlling cell fate decisions in the embryo and the adult epidermis and immune systems, yet emerging evidence suggests Notch also directs non-cell-autonomous signalling in adult tissues. Here, we show that Notch1 wo... Read More about Epidermal Notch1 recruits RORgamma+ group 3 innate lymphoid cells to orchestrate normal skin repair.

Development of the mouse dermal adipose layer occurs independently of subcutaneous adipose tissue and is marked by restricted early expression of FABP4 (2013)
Journal Article
Wojciechowicz, K., Gledhill, K., Ambler, C., Manning, C., & Jahoda, C. (2013). Development of the mouse dermal adipose layer occurs independently of subcutaneous adipose tissue and is marked by restricted early expression of FABP4. PLoS ONE, 8(3), Article e59811. https://doi.org/10.1371/journal.pone.0059811

The laboratory mouse is a key animal model for studies of adipose biology, metabolism and disease, yet the developmental changes that occur in tissues and cells that become the adipose layer in mouse skin have received little attention. Moreover, the... Read More about Development of the mouse dermal adipose layer occurs independently of subcutaneous adipose tissue and is marked by restricted early expression of FABP4.

Keratinocytes propagated in serum-free, feeder-free culture conditions fail to form stratified epidermis in a reconstituted skin model (2013)
Journal Article
Lamb, R., & Ambler, C. (2013). Keratinocytes propagated in serum-free, feeder-free culture conditions fail to form stratified epidermis in a reconstituted skin model. PLoS ONE, 8(1), Article e52494. https://doi.org/10.1371/journal.pone.0052494

Primary human epidermal stem cells isolated from skin tissues and subsequently expanded in tissue culture are used for human therapeutic use to reconstitute skin on patients and to generate artificial skin in culture for academic and commercial resea... Read More about Keratinocytes propagated in serum-free, feeder-free culture conditions fail to form stratified epidermis in a reconstituted skin model.