PMID- 32958629 OWN - NLM STAT- MEDLINE DCOM- 20201214 LR - 20211102 IS - 1521-0103 (Electronic) IS - 0022-3565 (Print) IS - 0022-3565 (Linking) VI - 375 IP - 2 DP - 2020 Nov TI - Targeted Injection of a Truncated Form of Tissue Inhibitor of Metalloproteinase 3 Alters Post-Myocardial Infarction Remodeling. PG - 296-307 LID - 10.1124/jpet.120.000047 [doi] AB - Infarct expansion can occur after myocardial infarction (MI), which leads to adverse left ventricular (LV) remodeling and failure. An imbalance between matrix metalloproteinase (MMP) induction and tissue inhibitors of MMPs (TIMPs) can accelerate this process. Past studies have shown different biologic effects of TIMP-3, which may depend upon specific domains within the TIMP-3 molecule. This study tested the hypothesis that differential effects of direct myocardial injections of either a full-length recombinant TIMP-3 (F-TIMP-3) or a truncated form encompassing the N-terminal region (N-TIMP-3) could be identified post-MI. MI was induced in pigs that were randomized for MI injections (30 mg) and received targeted injections within the MI region of F-TIMP-3 (n = 8), N-TIMP-3 (n = 9), or saline injection (MI-only, n = 11). At 14 days post-MI, LV ejection fraction fell post-MI but remained higher in both TIMP-3 groups. Tumor necrosis factor and interleukin-10 mRNA increased by over 10-fold in the MI-only and N-TIMP-3 groups but were reduced with F-TIMP-3 at this post-MI time point. Direct MI injection of either a full-length or truncated form of TIMP-3 is sufficient to favorably alter the course of post-MI remodeling. The functional and differential relevance of TIMP-3 domains has been established in vivo since the TIMP-3 constructs demonstrated different MMP/cytokine expression profiles. These translational studies identify a unique and more specific therapeutic strategy to alter the course of LV remodeling and dysfunction after MI. SIGNIFICANCE STATEMENT: Using different formulations of tissue inhibitor of matrix metalloproteinase-3 (TIMP-3), when injected into the myocardial infarction (MI) region, slowed the progression of indices of left ventricular (LV) failure, suggesting that the N terminus of TIMP-3 is sufficient to attenuate early adverse functional events post-MI. Injections of full-length recombinant TIMP-3, but not of the N-terminal region of TIMP-3, reduced relative indices of inflammation at the mRNA level, suggesting that the C-terminal region affects other biological pathways. These unique proof-of-concept studies demonstrate the feasibility of using recombinant small molecules to selectively interrupt adverse LV remodeling post-MI. CI - Copyright (c) 2020 by The American Society for Pharmacology and Experimental Therapeutics. FAU - Lobb, David C AU - Lobb DC AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Doviak, Heather AU - Doviak H AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Brower, Gregory L AU - Brower GL AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Romito, Eva AU - Romito E AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - O'Neill, Jason W AU - O'Neill JW AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Smith, Stephen AU - Smith S AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Shuman, James A AU - Shuman JA AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Freels, Parker D AU - Freels PD AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Zellars, Kia N AU - Zellars KN AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Freeburg, Lisa A AU - Freeburg LA AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Khakoo, Aarif Y AU - Khakoo AY AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Lee, TaeWeon AU - Lee T AUID- ORCID: 0000-0001-9494-3517 AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.). FAU - Spinale, Francis G AU - Spinale FG AD - Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the WJB Dorn Veteran Affairs Medical Center, Columbia, South Carolina (D.C.L., H.D., G.L.B., E.R., J.A.S., P.D.F., K.N.Z., L.A.F., F.G.S.) and Amgen, Metabolic Disorders, South San Francisco, California (J.W.O., S.S., A.Y.K., T.L.) cvctrc@uscmed.sc.edu. LA - eng GR - R01 HL111090/HL/NHLBI NIH HHS/United States GR - R01 HL113352/HL/NHLBI NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20200921 PL - United States TA - J Pharmacol Exp Ther JT - The Journal of pharmacology and experimental therapeutics JID - 0376362 RN - 0 (Cytokines) RN - 0 (Peptide Fragments) RN - 0 (RNA, Messenger) RN - 0 (Tissue Inhibitor of Metalloproteinase-3) RN - 9007-34-5 (Collagen) RN - EC 3.4.24.- (Matrix Metalloproteinases) SB - IM MH - Amino Acid Sequence MH - Collagen/genetics MH - Cytokines/genetics MH - Gene Expression Regulation/drug effects MH - Humans MH - Injections MH - Matrix Metalloproteinases/genetics MH - Myocardial Infarction/*pathology MH - Peptide Fragments/chemistry/*pharmacology MH - Protein Domains MH - RNA, Messenger/genetics MH - Tissue Inhibitor of Metalloproteinase-3/*chemistry/genetics MH - Ventricular Remodeling/*drug effects PMC - PMC7589956 COIS- J.W.O., S.S., A.Y.K., and T.L. are employees of Amgen Inc. that manufacture drugs for a wide range of diseases, including cardiovascular disease. The other authors declare that they have no competing interests. The recombinant TIMP-3 formulations were furnished as an material transfer agreement from Amgen to F.G.S. EDAT- 2020/09/23 06:00 MHDA- 2020/12/15 06:00 PMCR- 2021/11/01 CRDT- 2020/09/22 05:37 PHST- 2020/04/13 00:00 [received] PHST- 2020/08/18 00:00 [accepted] PHST- 2020/09/23 06:00 [pubmed] PHST- 2020/12/15 06:00 [medline] PHST- 2020/09/22 05:37 [entrez] PHST- 2021/11/01 00:00 [pmc-release] AID - jpet.120.000047 [pii] AID - JPET_AR2020000047 [pii] AID - 10.1124/jpet.120.000047 [doi] PST - ppublish SO - J Pharmacol Exp Ther. 2020 Nov;375(2):296-307. doi: 10.1124/jpet.120.000047. Epub 2020 Sep 21.