PMID- 36070095 OWN - NLM STAT- MEDLINE DCOM- 20230105 LR - 20240102 IS - 1615-2573 (Electronic) IS - 0910-8327 (Print) IS - 0910-8327 (Linking) VI - 38 IP - 1 DP - 2023 Jan TI - Cellular-scale sex differences in extracellular matrix remodeling by valvular interstitial cells. PG - 122-130 LID - 10.1007/s00380-022-02164-2 [doi] AB - Males acquire calcific aortic valve disease (CAVD) twice as often as females, yet stenotic valves from females display significantly higher levels of fibrosis compared to males with similar extent of disease. Fibrosis occurs as an imbalance between the production and degradation of the extracellular matrix (ECM), specifically type I collagen. This work characterizes ECM production and remodeling by male and female valvular interstitial cells (VICs) to better understand the fibrocalcific divergence between sexes evident in CAVD. Male and female VICs were assessed for gene and protein expression of myofibroblastic markers, ECM components, matrix metalloproteinases (MMPs), and tissue inhibitors of MMPs (TIMPs) via qRT-PCR and western blot. Overall metabolic activity was also measured. Activity assays for collagenase and gelatinase were performed to examine degradation behavior. Male VICs produced greater levels of myofibroblastic markers while female VICs showed greater metabolic activity and collagen production. In general, females displayed a greater level of MMP expression and production than males, but no sex differences were observed in TIMP production. Male VICs also displayed a greater level of collagenase and gelatinase activity than female VICs. This work displays sex differences in ECM remodeling by VICs that could be related to the sexual dimorphism in ECM structure seen in clinical CAVD. CI - (c) 2022. Springer Japan KK, part of Springer Nature. FAU - Simon, LaTonya R AU - Simon LR AD - Department of Biomedical Engineering, University of Wisconsin-Madison, 1111 Highland Ave, WIMR 8531, Madison, WI, 53705, USA. FAU - Scott, Ashley J AU - Scott AJ AD - Cellular and Molecular Biology Training Program, University of Wisconsin-Madison, Madison, WI, 53705, USA. FAU - Figueroa Rios, Lysmarie AU - Figueroa Rios L AD - Department of Biomedical Engineering, University of Wisconsin-Madison, 1111 Highland Ave, WIMR 8531, Madison, WI, 53705, USA. FAU - Zembles, Joshua AU - Zembles J AD - Department of Biomedical Engineering, University of Wisconsin-Madison, 1111 Highland Ave, WIMR 8531, Madison, WI, 53705, USA. FAU - Masters, Kristyn S AU - Masters KS AUID- ORCID: 0000-0001-6911-3116 AD - Department of Biomedical Engineering, University of Wisconsin-Madison, 1111 Highland Ave, WIMR 8531, Madison, WI, 53705, USA. kmasters@wisc.edu. AD - Cellular and Molecular Biology Training Program, University of Wisconsin-Madison, Madison, WI, 53705, USA. kmasters@wisc.edu. AD - Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, 53705, USA. kmasters@wisc.edu. AD - Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI, 53705, USA. kmasters@wisc.edu. LA - eng GR - R21 EB019508/EB/NIBIB NIH HHS/United States GR - TL1 TR002375/TR/NCATS NIH HHS/United States GR - R01 HL141181/HL/NHLBI NIH HHS/United States GR - T32 GM140935/GM/NIGMS NIH HHS/United States GR - TL1TR002375/NH/NIH HHS/United States GR - TL1 TR000429/TR/NCATS NIH HHS/United States PT - Journal Article DEP - 20220907 PL - Japan TA - Heart Vessels JT - Heart and vessels JID - 8511258 RN - EC 3.4.24.- (Gelatinases) RN - EC 3.4.24.- (Matrix Metalloproteinases) RN - Aortic Valve, Calcification of SB - IM MH - Male MH - Humans MH - Female MH - *Aortic Valve Stenosis MH - Aortic Valve/pathology MH - Sex Characteristics MH - *Calcinosis/pathology MH - Cells, Cultured MH - Extracellular Matrix MH - Gelatinases/metabolism MH - Fibrosis MH - Matrix Metalloproteinases/genetics PMC - PMC10120251 MID - NIHMS1888873 OTO - NOTNLM OT - Extracellular matrix OT - Fibrosis OT - Remodeling OT - Sex differences COIS- Conflict of interest The authors declare that they have no competing interests. EDAT- 2022/09/08 06:00 MHDA- 2023/01/06 06:00 PMCR- 2024/01/01 CRDT- 2022/09/07 13:26 PHST- 2021/11/22 00:00 [received] PHST- 2022/08/24 00:00 [accepted] PHST- 2022/09/08 06:00 [pubmed] PHST- 2023/01/06 06:00 [medline] PHST- 2022/09/07 13:26 [entrez] PHST- 2024/01/01 00:00 [pmc-release] AID - 10.1007/s00380-022-02164-2 [pii] AID - 10.1007/s00380-022-02164-2 [doi] PST - ppublish SO - Heart Vessels. 2023 Jan;38(1):122-130. doi: 10.1007/s00380-022-02164-2. Epub 2022 Sep 7.