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Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus (2006)
Journal Article
Warfield, R., Bardelang, P., Saunders, H., Chan, W. C., Penfold, C., James, R., & Thomas, N. R. (2006). Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus. Organic and Biomolecular Chemistry, 4(19), 3626-3638. https://doi.org/10.1039/b607999g

Lysostaphin (EC. 3.4.24.75) is a protein secreted by Staphylococcus simulans biovar staphylolyticus and has been shown to be active against methicillin resistant S. aureus (MRSA). The design and synthesis of three internally quenched substrates for l... Read More about Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus.

Antigenicity of chimeric and cyclic synthetic peptides based on nonstructural proteins of GBV-C/HGV (2005)
Journal Article
Pérez, T., Ercilla, G., Chan, W. C., & Haro, I. (2006). Antigenicity of chimeric and cyclic synthetic peptides based on nonstructural proteins of GBV-C/HGV. Journal of Peptide Science, 12(4), 267-278. https://doi.org/10.1002/psc.719

In this work, new putative epitopes located in nonstructural proteins of GBV-C/HGV were synthesized using solid-phase chemistry for their use in immunoassays. The antigens were obtained in linear, chimeric and cyclic forms with the main aim of improv... Read More about Antigenicity of chimeric and cyclic synthetic peptides based on nonstructural proteins of GBV-C/HGV.

Discovery of antagonist peptides against bacterial helicase-primase interaction in B. stearothermophilus by reverse yeast three-hybrid (2005)
Journal Article
Gardiner, L., Coyle, B. J., Chan, W. C., & Soultanas, P. (2005). Discovery of antagonist peptides against bacterial helicase-primase interaction in B. stearothermophilus by reverse yeast three-hybrid. Cell Chemistry Biology, 12(5), 595-604. https://doi.org/10.1016/j.chembiol.2005.04.007

Developing small-molecule antagonists against protein-protein interactions will provide powerful tools for mechanistic/functional studies and the discovery of new antibacterials. We have developed a reverse yeast three-hybrid approach that allows hig... Read More about Discovery of antagonist peptides against bacterial helicase-primase interaction in B. stearothermophilus by reverse yeast three-hybrid.

Modulation of pRb/E2F functions in the regulation of cell cycle and in cancer (2005)
Journal Article
Seville, L. L., Shah, N., Westwell, A. D., & Chan, W. C. (2005). Modulation of pRb/E2F functions in the regulation of cell cycle and in cancer. Current Cancer Drug Targets, 5(3), 159-170. https://doi.org/10.2174/1568009053765816

Cell proliferation is regulated by the cell cycle, and in order to divide the cell must enter a mitotic state. Prior to mitosis the cell is required to pass through a number of checkpoints, including the critical G1/S restriction point governed by th... Read More about Modulation of pRb/E2F functions in the regulation of cell cycle and in cancer.

A study to investigate the extent of delivery of an intervention in asthma, in a UK national community pharmacy chain, using mystery customers (2005)
Journal Article
Thornley, T., Gray, N., Anderson, C., & Eastham, S. (2006). A study to investigate the extent of delivery of an intervention in asthma, in a UK national community pharmacy chain, using mystery customers. Patient Education and Counseling, 60(2), 246-252. https://doi.org/10.1016/j.pec.2005.01.016

Objective: The objective of this study was to implement a brief intervention in asthma within a UK national pharmacy chain, and through the use of mystery customers, measure the extent of delivery of the intervention over a 4-month period. Methods: M... Read More about A study to investigate the extent of delivery of an intervention in asthma, in a UK national community pharmacy chain, using mystery customers.

Atomic force microscopy study of human amylin (20-29) fibrils (2005)
Journal Article
Sedman, V. L., Allen, S., Chan, W. C., Davies, M. C., Roberts, C. J., Tendler, S. J., & Williams, P. M. (2005). Atomic force microscopy study of human amylin (20-29) fibrils. Protein and Peptide Letters, 12(1), 79-83. https://doi.org/10.2174/0929866053406129

Here we present atomic force microscopy images of the fibrils formed by human amylin(20-29). This peptide is a fragment of the polypeptide amylin, the major proteinaceous component of amyloid deposits found in cases of type-II diabetes mellitus. Our... Read More about Atomic force microscopy study of human amylin (20-29) fibrils.

Expedient synthesis of a novel class of pseudoaromatic amino acids: Tetrahydroindazol-3-yl- and tetrahydrobenzisoxazol-3-ylalanine derivatives (2003)
Journal Article
Middleton, R. J., Mellor, S. L., Chhabra, S. R., Bycroft, B. W., & Chan, W. C. (2004). Expedient synthesis of a novel class of pseudoaromatic amino acids: Tetrahydroindazol-3-yl- and tetrahydrobenzisoxazol-3-ylalanine derivatives. Tetrahedron Letters, 45(6), 1237-1242. https://doi.org/10.1016/j.tetlet.2003.11.133

A concise synthesis of novel homochiral aromatic amino acid surrogates comprising a tetrahydroindazole or a benzisoxazole system was developed via the acylation of a cyclic 1,3-diketone by the side-chain carboxyl functionality of either Boc-Asp-OtBu... Read More about Expedient synthesis of a novel class of pseudoaromatic amino acids: Tetrahydroindazol-3-yl- and tetrahydrobenzisoxazol-3-ylalanine derivatives.

Side-chain-to-tail thiolactone peptide inhibitors of the staphylococcal quorum-sensing system (2003)
Journal Article
Scott, R. J., Lian, L. Y., Muharram, S. H., Cockayne, A., Wood, S. J., Bycroft, B. W., …Chan, W. C. (2003). Side-chain-to-tail thiolactone peptide inhibitors of the staphylococcal quorum-sensing system. Bioorganic and Medicinal Chemistry Letters, 13(15), 2449-2453. https://doi.org/10.1016/S0960-894X%2803%2900497-9

The expression of many staphylococcal virulence factors are regulated by the agr locus via a two-component signal transduction system (TCSTS), which is activated in response to a secreted autoinducer peptide (AIP). By exploiting the unique chemical a... Read More about Side-chain-to-tail thiolactone peptide inhibitors of the staphylococcal quorum-sensing system.

Liposome entrapment and immunogenic studies of a synthetic lipophilic multiple antigenic peptide bearing VP1 and VP3 domains of the hepatitis A virus: A robust method for vaccine design (2003)
Journal Article
Haro, I., Pérez, S., García, M., Chan, W. C., & Ercilla, G. (2003). Liposome entrapment and immunogenic studies of a synthetic lipophilic multiple antigenic peptide bearing VP1 and VP3 domains of the hepatitis A virus: A robust method for vaccine design. FEBS Letters, 540(1-3), 133-140. https://doi.org/10.1016/S0014-5793%2803%2900249-7

Multiple antigen peptides (MAP) have been demonstrated to be efficient immunological reagents for the induction of immune responses to a variety of infectious agents. Several peptide domains of the hepatitis A virus (HAV) capsid proteins, mainly VP1... Read More about Liposome entrapment and immunogenic studies of a synthetic lipophilic multiple antigenic peptide bearing VP1 and VP3 domains of the hepatitis A virus: A robust method for vaccine design.

Nasal immunization with homogenate and peptide antigens induces protective immunity against Trichinella spiralis (2002)
Journal Article
McGuire, C., Chan, W. C., & Wakelin, D. (2002). Nasal immunization with homogenate and peptide antigens induces protective immunity against Trichinella spiralis. Infection and Immunity, 70(12), 7149-7152. https://doi.org/10.1128/IAI.70.12.7149-7152.2002

Mice were successfully immunized against the intestinal nematode Trichinella spiralis by intranasal administration of a 30-mer peptide antigen with cholera toxin B. Immunized mice developed antigen-specific serum immunoglobulin G1, intestinal immunog... Read More about Nasal immunization with homogenate and peptide antigens induces protective immunity against Trichinella spiralis.

Peptide inhibitors of CDK2-cyclin A that target the cyclin recruitment-Site: Structural variants of the C-Terminal Phe (2002)
Journal Article
Atkinson, G. E., Cowan, A., McInnes, C., Zheleva, D. I., Fischer, P. M., & Chan, W. C. (2002). Peptide inhibitors of CDK2-cyclin A that target the cyclin recruitment-Site: Structural variants of the C-Terminal Phe. Bioorganic and Medicinal Chemistry Letters, 12(18), 2501-2505. https://doi.org/10.1016/S0960-894X%2802%2900508-5

A focused series of octapeptides based on the lead compound H-His-Ala-Lys-Arg-Arg-Leu-Ile-Phe-NH2 1, in which the C-terminal phenylalanine residue was replaced by α and/or β-modified variants, was synthesized using solid-phase chemistry. Both the L-t... Read More about Peptide inhibitors of CDK2-cyclin A that target the cyclin recruitment-Site: Structural variants of the C-Terminal Phe.

Homochiral 4-azalysine building blocks: Syntheses and applications in solid-phase chemistry (2002)
Journal Article
Chhabra, S. R., Mahajan, A., & Chan, W. C. (2002). Homochiral 4-azalysine building blocks: Syntheses and applications in solid-phase chemistry. Journal of Organic Chemistry, 67(12), 4017-4029. https://doi.org/10.1021/jo010456e

Anomalous amino acids not only play central roles as mimics of natural amino acids but also offer opportunities as unique building blocks for combinatorial chemistry. This paper describes the chiral syntheses and solid-phase applications of a versati... Read More about Homochiral 4-azalysine building blocks: Syntheses and applications in solid-phase chemistry.

Human defensin 5 is stored in precursor form in normal Paneth cells and is expressed by some villous epithelial cells and by metaplastic Paneth cells in the colon in inflammatory bowel disease (2001)
Journal Article
Cunliffe, R. N., Rose, F. R., Keyte, J., Abberley, L., Chan, W. C., & Mahida, Y. R. (2001). Human defensin 5 is stored in precursor form in normal Paneth cells and is expressed by some villous epithelial cells and by metaplastic Paneth cells in the colon in inflammatory bowel disease. Gut, 48(2), 176-185. https://doi.org/10.1136/gut.48.2.176

Background and aims - Intestinal epithelial cell derived antimicrobial peptides of the defensin family may play a major role in host defence against microorganisms. Our aims were to (i) isolate, characterise, and investigate the processing of human d... Read More about Human defensin 5 is stored in precursor form in normal Paneth cells and is expressed by some villous epithelial cells and by metaplastic Paneth cells in the colon in inflammatory bowel disease.