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The Type I Collagen Fragments ICTP and CTX Reveal Distinct Enzymatic Pathways of Bone Collagen Degradation
Bone resorption may generate collagen fragments such as ICTP and CTX, which can be quantified in serum and/or urine by using specific immunoassays, and which are used as clinical markers. However,Expand
Generation and degradation of human endostatin proteins by various proteinases
The angiogenesis inhibitor endostatin is a fragment of the NC1 domain of collagen XVIII. The generation of endostatin has been investigated only in murine hemangioendothelioma cell cultures and wasExpand
The Collagenolytic Activity of Cathepsin K Is Unique among Mammalian Proteinases*
Type I collagen fibers account for 90% of the organic matrix of bone. The degradation of this collagen is a major event during bone resorption, but its mechanism is unknown. A series of data obtainedExpand
Bisphosphonates inhibit breast and prostate carcinoma cell invasion, an early event in the formation of bone metastases.
The molecular mechanisms by which tumor cells metastasize to bone are likely to involve invasion, cell adhesion to bone, and the release of soluble mediators from tumor cells that stimulateExpand
Matrix Metalloproteinase-dependent Activation of Latent Transforming Growth Factor-β Controls the Conversion of Osteoblasts into Osteocytes by Blocking Osteoblast Apoptosis*
Upon termination of bone matrix synthesis, osteoblasts either undergo apoptosis or differentiate into osteocytes or bone lining cells. In this study, we investigated the role of matrixExpand
Mechanism of membrane permeabilization by sticholysin I, a cytolysin isolated from the venom of the sea anemone Stichodactyla helianthus.
Actinaria cytolysins are very potent basic toxins isolated from the venom of sea anemones, which are supposed to exert their toxic activity through formation of oligomeric pores in the host plasmaExpand
The interaction of Staphylococcus aureus bi-component gamma-hemolysins and leucocidins with cells and lipid membranes.
Staphylococcus aureus gamma-hemolysins (HlgA, HlgB and HlgC) and Panton-Valentine leucocidins (LukS-PV and LukF-PV) are bi-component toxins forming a protein family with some relationship toExpand
The major allergen from birch tree pollen, Bet v 1, binds and permeabilizes membranes.
The 159 residue Bet v 1 is the major allergen from birch tree pollen. Its natural function is unknown although it is capable of binding several types of physiologically relevant ligands in aExpand
Phosphinic Peptide Matrix Metalloproteinase‐9 Inhibitors by Solid‐Phase Synthesis Using a Building Block Approach
Substrates of matrix metalloproteinase-9 (MMP-9) having Gly and Leu in the P1and P1′ position can be converted into highly potent inhibitors by incorporation of a phosphinic -GΨ{P(O)OHCH2}L- moietyExpand
Matrix metalloproteinase-12 (MMP-12) in osteoclasts: new lesson on the involvement of MMPs in bone resorption.
Osteoclasts require matrix metalloproteinase (MMP) activity and cathepsin K to resorb bone, but the critical MMP has not been identified. Osteoclasts express MMP-9 and MMP-14, which do not appearExpand