Matrix metalloproteinases (MMPs) are a family of endopeptidases collectively able to degrade the components of the extracellular matrix (ECM), with important roles in many biological processes, such as embryogenesis, normal tissue remodelling, angiogenesis and wound healing. New views on the function of MMPs reveal that they regulate inflammatory response and therefore might represent an early step in the evolution of the immune system. MMPs can affect the activity of cytokines involved in inflammation including TGF-β and TNF-α. MMPs are widely distributed in all kingdoms of life and have likely evolved from a single-domain protein which underwent successive rounds of duplications. In this study, we focused on the Ciona robusta (formerly known as Ciona intestinalis) MMP gelatinase homologue. Gene organization, phylogenetic analysis and 3D modeling supported the closest correlation of C. robusta gelatinase with the human MMP-9. Real-time PCR analysis and zymographic assay showed a prompt expression induced by LPS inoculation and an upregulation of enzymatic activity. Furthermore, we showed that before of the well-known increase of TGF-β and TNF-α levels, a MMP- 9like boost occurred, suggesting a possible involvement of MMP-9like in regulating inflammatory response in C. robusta.

Patrizia Cancemi, F.D.F. (2019). The gelatinase MMP-9like is involved in regulation of LPS inflammatory response in Ciona robusta. FISH AND SHELLFISH IMMUNOLOGY, 86, 213-222 [10.1016/j.fsi.2018.11.028].

The gelatinase MMP-9like is involved in regulation of LPS inflammatory response in Ciona robusta

Patrizia Cancemi;Felicia Di Falco;Salvatore Feo;Vincenzo Arizza;Aiti Vizzini
2019-01-01

Abstract

Matrix metalloproteinases (MMPs) are a family of endopeptidases collectively able to degrade the components of the extracellular matrix (ECM), with important roles in many biological processes, such as embryogenesis, normal tissue remodelling, angiogenesis and wound healing. New views on the function of MMPs reveal that they regulate inflammatory response and therefore might represent an early step in the evolution of the immune system. MMPs can affect the activity of cytokines involved in inflammation including TGF-β and TNF-α. MMPs are widely distributed in all kingdoms of life and have likely evolved from a single-domain protein which underwent successive rounds of duplications. In this study, we focused on the Ciona robusta (formerly known as Ciona intestinalis) MMP gelatinase homologue. Gene organization, phylogenetic analysis and 3D modeling supported the closest correlation of C. robusta gelatinase with the human MMP-9. Real-time PCR analysis and zymographic assay showed a prompt expression induced by LPS inoculation and an upregulation of enzymatic activity. Furthermore, we showed that before of the well-known increase of TGF-β and TNF-α levels, a MMP- 9like boost occurred, suggesting a possible involvement of MMP-9like in regulating inflammatory response in C. robusta.
2019
Patrizia Cancemi, F.D.F. (2019). The gelatinase MMP-9like is involved in regulation of LPS inflammatory response in Ciona robusta. FISH AND SHELLFISH IMMUNOLOGY, 86, 213-222 [10.1016/j.fsi.2018.11.028].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/331415
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