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Recent progress in understanding the diversity of the human ov-serpin/clade B serpin family

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Abstract.

The inhibitory mechanism against proteases is important in the maintenance of homeostasis or health in the body. The human ovalbumin serpin (ovserpin)/ clade B serpin family is one group of the human serpins, a family of serine protease inhibitors. They have acquired diversity in the profiles of target proteases, inhibitory mechanisms, and localization patterns during their evolution. Most serpins target serine proteases, however, some ov-serpins target only cysteine proteases or both serine and cysteine proteases and furthermore, several ov-serpins do not possess inhibitory activities. Although the ov-serpins act primarily as intracellular serpins, some show extracellular and nuclear localizations. Such diversity enables the ov-serpins to play multiple physiological roles in the body. Recent analyses have revealed that the functions of human ov-serpins are more diversified than we previously knew. In this article, we describe recent progress in our understanding of how the human ov-serpin/clade B serpin family demonstrates diversity.

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Correspondence to K. Izuhara.

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Received 27 January 2008; received after revision 10 March 2008; accepted 2 April 2008

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Izuhara, K., Ohta, S., Kanaji, S. et al. Recent progress in understanding the diversity of the human ov-serpin/clade B serpin family. Cell. Mol. Life Sci. 65, 2541–2553 (2008). https://doi.org/10.1007/s00018-008-8049-7

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  • DOI: https://doi.org/10.1007/s00018-008-8049-7

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