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Wilson JJ, Bennie L, Eguaogie O, Elkashif A, Conlon PF, Jena L, McErlean E, Buckley N, Englert K, Dunne NJ, Tucker JHR, Vyle JS, McCarthy HO. Synthesis and characterisation of a nucleotide based pro-drug formulated with a peptide into a nano-chemotherapy for colorectal cancer. J Control Release 2024; 369:63-74. [PMID: 38513729 DOI: 10.1016/j.jconrel.2024.03.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/01/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Recent studies in colorectal cancer patients (CRC) have shown that increased resistance to thymidylate synthase (TS) inhibitors such as 5-fluorouracil (5-FU), reduce the efficacy of standard of care (SoC) treatment regimens. The nucleotide pool cleanser dUTPase is highly expressed in CRC and is an attractive target for potentiating anticancer activity of chemotherapy. The purpose of the current work was to investigate the activity of P1, P4-di(2',5'-dideoxy-5'-selenouridinyl)-tetraphosphate (P4-SedU2), a selenium-modified symmetrically capped dinucleoside with prodrug capabilities that is specifically activated by dUTPase. Using mechanochemistry, P4-SedU2 and the corresponding selenothymidine analogue P4-SeT2 were prepared with a yield of 19% and 30% respectively. The phosphate functionality facilitated complexation with the amphipathic cell-penetrating peptide RALA to produce nanoparticles (NPs). These NPs were designed to deliver P4-SedU2 intracellularly and thereby maximise in vivo activity. The NPs demonstrated effective anti-cancer activity and selectivity in the HCT116 CRC cell line, a cell line that overexpresses dUTPase; compared to HT29 CRC cells and NCTC-929 fibroblast cells which have reduced levels of dUTPase expression. In vivo studies in BALB/c SCID mice revealed no significant toxicity with respect to weight or organ histology. Pharmacokinetic analysis of blood serum showed that RALA facilitates effective delivery and rapid internalisation into surrounding tissues with NPs eliciting lower plasma Cmax than the equivalent injection of free P4-SedU2, translating the in vitro findings. Tumour growth delay studies have demonstrated significant inhibition of growth dynamics with the tumour doubling time extended by >2weeks. These studies demonstrate the functionality and action of a new pro-drug nucleotide for CRC.
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Affiliation(s)
- Jordan J Wilson
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK; School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK
| | - Lindsey Bennie
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK
| | - Olga Eguaogie
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK
| | - Ahmed Elkashif
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK
| | - Patrick F Conlon
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK
| | - Lynn Jena
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK
| | - Emma McErlean
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK
| | - Niamh Buckley
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK
| | - Klaudia Englert
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Nicholas J Dunne
- School of Mechanical and Manufacturing Engineering, Dublin City University, Centre for Medical Engineering Research, Dublin City University, Ireland
| | - James H R Tucker
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Joseph S Vyle
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, Medical Biological Centre, 97 Lisburn Road, Belfast BT9 7LB, UK; School of Chemical Sciences, Dublin City University, Collins Avenue, Dublin 9, Ireland.
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McNair K, Forrest CM, Vincenten MCJ, Darlington LG, Stone TW. Serine protease modulation of Dependence Receptors and EMT protein expression. Cancer Biol Ther 2018; 20:349-367. [PMID: 30403907 PMCID: PMC6370372 DOI: 10.1080/15384047.2018.1529109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 09/03/2018] [Accepted: 09/22/2018] [Indexed: 12/11/2022] Open
Abstract
Expression of the tumour suppressor Deleted in Colorectal Cancer (DCC) and the related protein neogenin is reduced by the mammalian serine protease chymotrypsin or the bacterial serine protease subtilisin, with increased cell migration. The present work examines whether these actions are associated with changes in the expression of cadherins, β-catenin and vimentin, established markers of the Epithelial-Mesenchymal Transition (EMT) which has been linked with cell migration and tumour metastasis. The results confirm the depletion of DCC and neogenin and show that chymotrypsin and subtilisin also reduce expression of β-catenin in acutely prepared tissue sections but not in human mammary adenocarcinoma MCF-7 or MDA-MB-231 cells cultured in normal media, or primary normal human breast cells. A loss of β-catenin was also seen in low serum media but transfecting cells with a dcc-containing plasmid induced resistance. E-cadherin was not consistently affected but vimentin was induced by low serum-containing media and was increased by serine proteases in MCF-7 and MDA-MB-231 cells in parallel with increased wound closure. Vimentin might contribute to the promotion of cell migration. The results suggest that changes in EMT proteins depend on the cells or tissues concerned and do not parallel the expression of DCC and neogenin. The increased cell migration induced by serine proteases is not consistently associated with the expression of the EMT proteins implying either that the increased migration may be independent of EMT or supporting the view that EMT is not itself consistently related to migration. (241).
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Affiliation(s)
- Kara McNair
- College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Caroline M. Forrest
- College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Maria C. J. Vincenten
- College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | | | - Trevor W. Stone
- College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- The Kennedy Institute, University of Oxford, Oxford UK
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Bian L, Strzyz P, Jonsson IM, Erlandsson M, Hellvard A, Brisslert M, Ohlsson C, Ambartsumian N, Grigorian M, Bokarewa M. S100A4 deficiency is associated with efficient bacterial clearance and protects against joint destruction during Staphylococcal infection. J Infect Dis 2011; 204:722-30. [PMID: 21844298 DOI: 10.1093/infdis/jir369] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Efficient host defense mechanisms are crucial for survival in sepsis and septic arthritis. S100 proteins are reported to have proinflammatory and bactericidal properties. The aim of this study was to investigate the role of S100A4 in staphylococcal arthritis. METHODS S100A4 knockout mice (S100A4KO) and wild-type counterparts (WT) were intravenously and intra-articularly challenged with Staphylococcus aureus strain LS-1. Clinical and morphological signs of arthritis and sepsis, phagocytosis, bone mineral density (BMD), and bone metabolism were then monitored in S100A4 and WT mice. RESULTS S100A4KO mice had a lower bacterial load in the kidneys than WT mice (P < .05) but developed more severe clinical signs of arthritis (P < .001) and had higher levels of interleukin 6 and L-selectin (P = .002). S100A4KO mice had fewer morphological signs of synovitis and cartilage/bone destruction following intra-articular instillation of bacteria. S100A4KO mice were protected from loss of BMD and had lower levels of RANKL, MMP3, and MMP9 (P < .05). S100A4 was not bactericidal in vitro. CONCLUSIONS In staphylococcal infection, S100A4 regulates bacterial clearance as well as systemic and local inflammatory responses.
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Affiliation(s)
- Li Bian
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Denmark.
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Dulyaninova NG, Hite KM, Zencheck WD, Scudiero DA, Almo SC, Shoemaker RH, Bresnick AR. Cysteine 81 is critical for the interaction of S100A4 and myosin-IIA. Biochemistry 2011; 50:7218-27. [PMID: 21749055 DOI: 10.1021/bi200853y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Overexpression of S100A4, a member of the S100 family of Ca(2+)-binding proteins, is associated with a number of human pathologies, including fibrosis, inflammatory disorders, and metastatic disease. The identification of small molecules that disrupt S100A4/target interactions provides a mechanism for inhibiting S100A4-mediated cellular activities and their associated pathologies. Using an anisotropy assay that monitors the Ca(2+)-dependent binding of myosin-IIA to S100A4, NSC 95397 was identified as an inhibitor that disrupts the S100A4/myosin-IIA interaction and inhibits S100A4-mediated depolymerization of myosin-IIA filaments. Mass spectrometry demonstrated that NSC 95397 forms covalent adducts with Cys81 and Cys86, which are located in the canonical target binding cleft. Mutagenesis studies showed that covalent modification of just Cys81 is sufficient to inhibit S100A4 function with respect to myosin-IIA binding and depolymerization. Remarkably, substitution of Cys81 with serine or alanine significantly impaired the ability of S100A4 to promote myosin-IIA filament disassembly. As reversible covalent cysteine modifications have been observed for several S100 proteins, we propose that modification of Cys81 may provide an additional regulatory mechanism for mediating the binding of S100A4 to myosin-IIA.
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Affiliation(s)
- Natalya G Dulyaninova
- Department of Biochemistry, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
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Boye K, Nesland JM, Sandstad B, Mælandsmo GM, Flatmark K. Nuclear S100A4 is a novel prognostic marker in colorectal cancer. Eur J Cancer 2010; 46:2919-25. [PMID: 20719498 DOI: 10.1016/j.ejca.2010.07.013] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 07/02/2010] [Accepted: 07/14/2010] [Indexed: 01/24/2023]
Abstract
Current staging classifications in colorectal cancer are not able to accurately predict patient outcome, and the need for novel prognostic markers is evident. S100A4 is a Ca(2+)-binding protein which promotes metastasis in several tumour types, and the aim of the present study was to investigate the prognostic impact of S100A4 expression in colorectal cancer. Two hundred and forty two patients with curatively resected adenocarcinoma of the colon or rectum were prospectively included in the study at the time of surgery. S100A4 expression was analysed by immunohistochemistry, and associations with clinicopathological variables and patient outcome were investigated. Nuclear expression of S100A4 was observed in 29% and cytoplasmic expression was observed in 64% of the tumours. In univariate analysis, nuclear S100A4 was a negative predictor of metastasis-free (P=0.006) and overall survival (P=0.01), whereas cytoplasmic S100A4 was not associated with patient outcome. In multivariate analysis, nuclear localisation was inversely associated with metastasis-free (P=0.03) and overall survival (P=0.02). Interestingly, the prognostic impact was largely confined to TNM stage II, and stage II patients with tumours expressing nuclear S100A4 had a similar prognosis as stage III patients. In conclusion, nuclear expression of S100A4 is a novel prognostic marker in colorectal cancer, and the prognostic value in TNM stage II suggests that nuclear S100A4 could be used in the stratification of stage II patients for adjuvant treatment.
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Affiliation(s)
- Kjetil Boye
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.
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Miranda KJ, Loeser RF, Yammani RR. Sumoylation and nuclear translocation of S100A4 regulate IL-1beta-mediated production of matrix metalloproteinase-13. J Biol Chem 2010; 285:31517-24. [PMID: 20685652 DOI: 10.1074/jbc.m110.125898] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
S100A4, a member of the S100 family of proteins, plays an important role in matrix remodeling by up-regulating the expression of matrix metalloproteinases (MMPs). We have previously shown that S100A4 is overexpressed in diseased cartilage and that extracellular S100A4 stimulates MMP-13 production, a major type II collagen-degrading enzyme, via activation of receptor for advanced glycation end product signaling. In the present study, using human articular chondrocytes, we show that intracellular S100A4 translocated into the nucleus upon interleukin-1β (IL-1β) stimulation and translocation required post-translational modification of S100A4 by the sumo-1 protein. Two sumoylation sites were identified on the S100A4 molecule, Lys(22) and Lys(96). Mutation of these lysine residues abolished the ability of S100A4 to be sumoylated and to translocate into the nucleus. Blocking of sumoylation and nuclear transport of S100A4 inhibited the IL-1β-induced production of MMP-13. Nuclear S100A4 was bound to the promoter region of MMP-13 in IL-1β-treated cells. Thus, we demonstrate a novel mechanism for sumoylated S100A4 as a regulator of expression of the MMP-13 gene.
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Affiliation(s)
- Keally J Miranda
- Section of Molecular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, USA
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Grotterød I, Mælandsmo GM, Boye K. Signal transduction mechanisms involved in S100A4-induced activation of the transcription factor NF-kappaB. BMC Cancer 2010; 10:241. [PMID: 20507646 PMCID: PMC2902441 DOI: 10.1186/1471-2407-10-241] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Accepted: 05/28/2010] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The metastasis-promoting protein S100A4 activates the transcription factor NF-kappaB through the classical NF-kappaB activation pathway. The upstream signal transduction mechanisms leading to increased NF-kappaB activity are, however, incompletely characterized. METHODS The human osteosarcoma cell line II-11b was stimulated with recombinant S100A4 in the presence or absence of inhibitors of common signal transduction pathways, and NF-kappaB activity was examined using a luciferase-based reporter assay and phosphorylation of IkappaBalpha. mRNA expression was analyzed by real-time RT-PCR, protein expression was examined by Western blotting and IKK activity was measured using an in vitro kinase assay. The role of upstream kinases and the cell surface receptor RAGE was investigated by overexpression of dominant negative proteins and by siRNA transfection. RESULTS The Ser/Thr kinase inhibitors H-7 and staurosporine inhibited S100A4-induced IkappaBalpha phosphorylation and subsequent NF-kappaB activation. The protein tyrosine kinase inhibitor genistein and the phospholipase C inhibitor compound 48/80 had a partial inhibitory effect on IkappaBalpha phosphorylation, whereas inhibitors of protein kinase C, G-protein coupled receptors and PI 3-kinases had no effect on the level of phosphorylation. Interestingly, S100A4 treatment induced activating phosphorylations of IKKalpha/beta, but neither H-7 nor staurosporine was able to significantly inhibit IKK activation. Dominant negative MEKK1 or NIK did not inhibit S100A4-induced NF-kappaB activity, and S100A4 stimulation did not influence AKT phosphorylation. Furthermore, diminished expression of the putative S100 protein receptor RAGE did not affect the observed phosphorylation of IkappaBalpha. CONCLUSIONS S100A4 activates NF-kappaB by inducing phosphorylation of IKKalpha/beta, leading to increased IkappaBalpha phosphorylation. The Ser/Thr kinase inhibitors H-7 and staurosporine attenuated S100A4-induced NF-kappaB activation and inhibited IKK-mediated phosphorylation of IkappaBalpha. S100A4-induced NF-kappaB activation was independent of the putative S100 protein receptor RAGE and the Ser/Thr kinases MEKK1, NIK and AKT. These findings lead to increased understanding of S100A4 signaling, which may contribute to the identification of novel targets for anti-metastatic therapy.
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Affiliation(s)
- Ida Grotterød
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0310 Oslo, Norway
| | - Gunhild M Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0310 Oslo, Norway
- Department of Pharmacy, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway
| | - Kjetil Boye
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0310 Oslo, Norway
- Department of Oncology, The Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0310 Oslo, Norway
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Berge G, Mælandsmo GM. Evaluation of potential interactions between the metastasis-associated protein S100A4 and the tumor suppressor protein p53. Amino Acids 2010; 41:863-73. [DOI: 10.1007/s00726-010-0497-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2009] [Accepted: 01/22/2010] [Indexed: 12/01/2022]
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Identification of differentially displayed proteins in cerebrospinal fluid of Parkinson's disease patients: A proteomic approach. Clin Chim Acta 2009; 400:14-20. [DOI: 10.1016/j.cca.2008.09.026] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2008] [Revised: 08/20/2008] [Accepted: 09/24/2008] [Indexed: 11/17/2022]
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