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dc.contributor.authorFayyaz, Sharmeen
dc.contributor.authorShaikh, Muniza
dc.contributor.authorGasperini, Danila
dc.contributor.authorNolan, Steven Patrick
dc.contributor.authorSmith, Andrew David
dc.contributor.authorChoudhary, M. Iqbal
dc.identifier.citationFayyaz , S , Shaikh , M , Gasperini , D , Nolan , S P , Smith , A D & Choudhary , M I 2021 , ' In vitro and in cellulo anti-diabetic activity of Au I - and Au III -isothiourea complexes ' , Inorganic Chemistry Communications , vol. In press , 108666 .
dc.identifier.otherPURE: 274298466
dc.identifier.otherPURE UUID: 2fdb838f-de5e-4f33-bce3-56131b8968da
dc.identifier.otherORCID: /0000-0002-2104-7313/work/94669170
dc.identifier.otherScopus: 85107162819
dc.identifier.otherWOS: 000674454000007
dc.descriptionAuthors are grateful to the Higher Education Commission (HEC), Pakistan, for providing financial support under the Indigenous Ph. D. Fellowship for 5000 Scholars Phase-II program for providing financial support.en
dc.description.abstractAbout 100 million people worldwide have type II diabetes (T2D), making it one of the most common metabolic disease. DPP-IV inhibitors are new class of anti-diabetic drug. Gold complexes are known for diverse biological activities. Considering these precedents, and growing interest in developing metal-based enzyme inhibitors, we report here the dipeptidyl peptidase-IV (DPP-IV) inhibitory potential of cationic, and neutral chiral gold (I), and gold (III) isothiourea complexes. Colorimetric assay with recombinant DPP-IV enzyme was employed for initial screening. Kinetic based mechanistic studies were also performed for most active complexes. Efficiency of identified inhibitors in biological environment was assessed in in cellulo assay, using Caco-2 cell line. These complexes showed a good to moderate inhibition of DPP-IV with IC50 values in the range of 22.0 – 99.0 µM, as compared to standard inhibitor, sitagliptin (IC50 = 0.033 ± 0.04 µM). It was observed that steric, and electronic properties of the isothiourea ligands have profound effect on the DPP-IV inhibitory activity of these complexes. To the best of our knowledge this study reports for the first time isothiourea based gold complexes as inhibitors of DPP-IV enzyme. These results thus provide an approach for exploring new insights into the development of effective agents against diabetes using incretin-based therapy.
dc.relation.ispartofInorganic Chemistry Communicationsen
dc.rightsCopyright © 2021 Published by Elsevier B.V. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectGold complexesen
dc.subjectDipeptidyl peptdase-IVen
dc.subjectDiabetes type 2en
dc.subjectCaco-2 cellsen
dc.subjectBioinorganic chemistryen
dc.subjectQD Chemistryen
dc.subjectSDG 3 - Good Health and Well-beingen
dc.titleIn vitro and in cellulo anti-diabetic activity of AuI- and AuIII-isothiourea complexesen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.description.statusPeer revieweden

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