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Myelencephalon-specific protease (MSP), first identified in the rat and now known to have a human homologue (human kallikrein 6), is preferentially expressed in the central nervous system (CNS), compared with nonneural tissues. MSP has been postulated to have trypsin-like activity, is upregulated in response to glutamate receptor-mediated excitotoxic injury(More)
A full-length cDNA clone of a previously unidentified serine protease, myelencephalon-specific protease (MSP), has been isolated by using a PCR cloning strategy and has been shown to be expressed in a nervous system and spinal cord-specific pattern. Sequence analysis demonstrated that MSP is most similar in sequence to neuropsin, trypsin, and tissue(More)
Kallikrein 6 (K6) is a member of the kallikrein gene family that comprises 15 structurally and functionally related serine proteases. In prior studies we showed that, while this trypsin-like enzyme is preferentially expressed in neurons and oligodendroglia of the adult central nervous system (CNS), it is up-regulated at sites of injury due to expression by(More)
The objective of this study was to define the potential scope of action of tissue kallikreins in T cell-mediated disease of the CNS. We demonstrate quantitatively the differential expression of all 15 human tissue kallikreins within brain, spinal cord and immune compartments. In human Jurkat T cells we demonstrate differential regulation of select(More)
The human kallikreins are a large multigene family of closely related serine-type proteases. In this regard, they are similar to the multigene kallikrein families characterized in mice and rats. There is a much more extensive body of knowledge regarding the function of mouse and rat kallikreins in comparison with the human kallikreins. Human kallikrein 6(More)
The goal of the present investigation was to determine the regional and cellular specific expression patterns of the newly identified serine protease, myelencephalon-specific protease (MSP), in the adult human brain (Scarisbrick et al. [1997b] J. Neurosci. 17:8156-8168). To assess the potential scope of MSP activity, Northern blot techniques were used to(More)
The expression of NGF, brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3) mRNAs was examined in whole rat embryos and in the heart and great vessels of postnatal and adult rats, using in situ hybridization of cRNA probes. The patterns of expression were correlated with innervation patterns as revealed by immunostaining for neural cell(More)
Previous in vitro studies indicate that select members of the neurotrophin gene family, namely brain-derived neurotrophic factor (BDNF), neurotrophin-3 (NT-3), and neurotrophin-4/5 (NT-4/5), contribute to survival and differentiation of spinal cord motoneurons. To investigate the potential roles of these factors in the adult spinal cord, we examined their(More)
We have identified a novel serine protease, myelencephalon-specific protease (MSP), which is preferentially expressed in the adult CNS, and therein, is abundant in both neurones and oligodendroglia. To determine the potential activity of MSP in CNS demyelination, we examined its expression in multiple sclerosis lesions and in two animal models of multiple(More)
Kallikrein 6 is a serine protease expressed abundantly in normal adult human and rodent CNS, and therein is regulated by injury. In the case of CNS demyelinating disease, K6 expression in CNS occurs additionally in perivascular and parenchymal inflammatory cells suggesting a role in pathogenesis. Herein we describe two unique transcripts that occur within(More)