M. Tortorella

Publications58
h-index33
Citations5,334
Highly Influential Citations206
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TIMP-3 Is a Potent Inhibitor of Aggrecanase 1 (ADAM-TS4) and Aggrecanase 2 (ADAM-TS5)*
The proteoglycan aggrecan is an important major component of cartilage matrix that gives articular cartilage the ability to withstand compression. Increased breakdown of aggrecan is associated with… Expand
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Purification and cloning of aggrecanase-1: a member of the ADAMTS family of proteins.
We purified, cloned, and expressed aggrecanase, a protease that is thought to be responsible for the degradation of cartilage aggrecan in arthritic diseases. Aggrecanase-1 [a disintegrin and… Expand
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Cloning and Characterization of ADAMTS11, an Aggrecanase from the ADAMTS Family*
Aggrecan is responsible for the mechanical properties of cartilage. One of the earliest changes observed in arthritis is the depletion of cartilage aggrecan due to increased proteolytic cleavage… Expand
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The role of ADAM-TS4 (aggrecanase-1) and ADAM-TS5 (aggrecanase-2) in a model of cartilage degradation.
INTRODUCTION Cleavage of aggrecan between residues Glu(373)-Ala(374), which is believed to be a key event in aggrecan destruction in arthritic diseases, has been attributed to an enzymatic activity,… Expand
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Aggrecan degradation in human articular cartilage explants is mediated by both ADAMTS-4 and ADAMTS-5.
OBJECTIVE Recent published studies have shown that cartilage from ADAMTS-5-knockout mice, but not ADAMTS-4- or ADAMTS-1-knockout mice, is significantly protected from degradation. The present study… Expand
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Sites of Aggrecan Cleavage by Recombinant Human Aggrecanase-1 (ADAMTS-4)*
Aggrecan, the major proteoglycan of cartilage that provides its mechanical properties of compressibility and elasticity, is one of the first matrix components to undergo measurable loss in arthritic… Expand
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Expression and regulation of aggrecanase in arthritis: the role of TGF-beta.
Aggrecanases are key matrix-degrading enzymes that act by cleaving aggrecan at the Glu(373)-Ala(374) site. While these fragments have been detected in osteoarthritis (OA) and rheumatoid arthritis… Expand
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The Thrombospondin Motif of Aggrecanase-1 (ADAMTS-4) Is Critical for Aggrecan Substrate Recognition and Cleavage*
Aggrecanase-1 (ADAMTS-4) is a member of thea disintegrin andmetalloprotease withthrombospondin motifs (ADAMTS) protein family that was recently identified. Aggrecanase-1 is one of two ADAMTS… Expand
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Expression of matrix metalloproteinases and tissue inhibitors of metalloproteinases define the migratory characteristics of human monocyte‐derived dendritic cells
Dendritic cells (DCs) have an essential role in the initiation of immune responses as they deliver antigen/epitope and the appropriate signals to activate naïve T cells and thus start an immune… Expand
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Aggrecan Protects Cartilage Collagen from Proteolytic Cleavage*
The matrix components responsible for cartilage mechanical properties, type II collagen and aggrecan, are degraded in osteoarthritis through proteolytic cleavage by matrix metalloproteinases (MMPs)… Expand
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