Serpins, Immunity and Autoimmunity: Old Molecules, New Functions
Identifieur interne : 001491 ( Main/Exploration ); précédent : 001490; suivant : 001492Serpins, Immunity and Autoimmunity: Old Molecules, New Functions
Auteurs : Mariele Gatto [Italie] ; Luca Iaccarino [Italie] ; Anna Ghirardello [Italie] ; Nicola Bassi [Italie] ; Patrizia Pontisso [Italie] ; Leonardo Punzi [Italie] ; Yehuda Shoenfeld [Israël] ; Andrea Doria [Italie]Source :
- Clinical Reviews in Allergy & Immunology [ 1080-0549 ] ; 2013-10-01.
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Abstract
Abstract: Serine protease inhibitors (serpins) are evolutionary old, structurally conserved molecules which encompass nearly all branches of life. More than 1,000 serpins were characterized to date which are subdivided into 16 subgroups (A–P) according to their common ancestry; among them, 37 are found in humans. Serpins were termed after their capability to inhibit serine proteases, but mounting evidence suggests that they may achieve a greater deal of functions, ranging from embryological growth to synaptic plasticity, development of both myeloid and lymphoid immune cells, and modulation of apoptosis. Serpins are mainly extracellular molecules, although some of them (namely, ov-serpins or clade B serpins) mostly act inside the cells, being either ubiquitously or tissue-specifically expressed. Among newly characterized serpin functions, regulation of cellular proliferation through apoptosis modulation and proteasome disturbance seems to play a major role. Accordingly, several serpins were found to be hyperexpressed in tumor cells. Indeed, apoptosis dysregulation is likely to be a cornerstone in both tumorigenesis and autoimmunity, since uncontrolled cellular viability results in tumor proliferation, while inefficient disposal of apoptotic debris may favor the rescue of autoreactive immune cells. Such a process was widely documented in systemic lupus erythematosus (SLE). Interestingly, alterations in the expression of some serpins, e.g., the ov-serpin SERPINB3, are being unraveled in patients affected with SLE and other autoimmune disorders, suggesting that a failure in serpin function might affect immune homeostasis and self-tolerance, thereby contributing to autoimmunity. Here, we provide an overview of serpin origin, function, and dysfunction, focusing on human serpins and ov-serpins, with a hub on SERPINB3.
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DOI: 10.1007/s12016-013-8353-3
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type="abbrev">Clinic Rev Allerg Immunol</title><idno type="ISSN">1080-0549</idno><idno type="eISSN">1559-0267</idno><imprint><publisher>Springer US; http://www.springer-ny.com</publisher><pubPlace>Boston</pubPlace><date type="published" when="2013-10-01">2013-10-01</date><biblScope unit="volume">45</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="267">267</biblScope><biblScope unit="page" to="280">280</biblScope></imprint><idno type="ISSN">1080-0549</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1080-0549</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Apoptosis</term><term>Autoimmunity</term><term>B cells</term><term>Serpin</term><term>Systemic lupus erythematosus</term><term>Tumor</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Serine protease inhibitors (serpins) are evolutionary old, structurally conserved molecules which encompass nearly all branches of life. More than 1,000 serpins were characterized to date which are subdivided into 16 subgroups (A–P) according to their common ancestry; among them, 37 are found in humans. Serpins were termed after their capability to inhibit serine proteases, but mounting evidence suggests that they may achieve a greater deal of functions, ranging from embryological growth to synaptic plasticity, development of both myeloid and lymphoid immune cells, and modulation of apoptosis. Serpins are mainly extracellular molecules, although some of them (namely, ov-serpins or clade B serpins) mostly act inside the cells, being either ubiquitously or tissue-specifically expressed. Among newly characterized serpin functions, regulation of cellular proliferation through apoptosis modulation and proteasome disturbance seems to play a major role. Accordingly, several serpins were found to be hyperexpressed in tumor cells. Indeed, apoptosis dysregulation is likely to be a cornerstone in both tumorigenesis and autoimmunity, since uncontrolled cellular viability results in tumor proliferation, while inefficient disposal of apoptotic debris may favor the rescue of autoreactive immune cells. Such a process was widely documented in systemic lupus erythematosus (SLE). Interestingly, alterations in the expression of some serpins, e.g., the ov-serpin SERPINB3, are being unraveled in patients affected with SLE and other autoimmune disorders, suggesting that a failure in serpin function might affect immune homeostasis and self-tolerance, thereby contributing to autoimmunity. Here, we provide an overview of serpin origin, function, and dysfunction, focusing on human serpins and ov-serpins, with a hub on SERPINB3.</div></front></TEI><affiliations><list><country><li>Israël</li><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Gatto, Mariele" sort="Gatto, Mariele" uniqKey="Gatto M" first="Mariele" last="Gatto">Mariele Gatto</name></noRegion><name sortKey="Bassi, Nicola" sort="Bassi, Nicola" uniqKey="Bassi N" first="Nicola" last="Bassi">Nicola Bassi</name><name sortKey="Doria, Andrea" sort="Doria, Andrea" uniqKey="Doria A" first="Andrea" last="Doria">Andrea Doria</name><name sortKey="Doria, Andrea" sort="Doria, Andrea" uniqKey="Doria A" first="Andrea" last="Doria">Andrea Doria</name><name sortKey="Ghirardello, Anna" sort="Ghirardello, Anna" uniqKey="Ghirardello A" first="Anna" last="Ghirardello">Anna Ghirardello</name><name sortKey="Iaccarino, Luca" sort="Iaccarino, Luca" uniqKey="Iaccarino L" first="Luca" last="Iaccarino">Luca Iaccarino</name><name sortKey="Pontisso, Patrizia" sort="Pontisso, Patrizia" uniqKey="Pontisso P" first="Patrizia" last="Pontisso">Patrizia Pontisso</name><name sortKey="Punzi, Leonardo" sort="Punzi, Leonardo" uniqKey="Punzi L" first="Leonardo" last="Punzi">Leonardo Punzi</name></country><country name="Israël"><noRegion><name sortKey="Shoenfeld, Yehuda" sort="Shoenfeld, Yehuda" uniqKey="Shoenfeld Y" first="Yehuda" last="Shoenfeld">Yehuda Shoenfeld</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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