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	<title>H2B &#8211; Ecoseven &#8211; Saper Vivere</title>
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		<title>Scoperta proteina che slaccia Dna, per curare malattie rare</title>
		<link>https://www.ecoseven.net/canali/scienze/scoperta-proteina-che-slaccia-dna-per-curare-malattie-rare/</link>
					<comments>https://www.ecoseven.net/canali/scienze/scoperta-proteina-che-slaccia-dna-per-curare-malattie-rare/#comments</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 19 Aug 2014 07:35:52 +0000</pubDate>
				<category><![CDATA[Scienze]]></category>
		<category><![CDATA[cura malattie rare]]></category>
		<category><![CDATA[DNA]]></category>
		<category><![CDATA[H2B]]></category>
		<category><![CDATA[malattie rare]]></category>
		<category><![CDATA[proteina]]></category>
		<category><![CDATA[proteina DNA]]></category>
		<guid isPermaLink="false">http://www.mignani.it/?p=19797</guid>

					<description><![CDATA[Si chiama H2B ed e’ una proteina che slaccia il DNA, favorendone la riparazione   Scoperta una proteina cruciale per la riparazione del Dna: è la H2B, capace di allentare i filamenti del Dna come una cintura troppo stretta dopo una grande abbuffata, in modo da favorire l&#8217;intervento degli enzimi riparatori. Grazie alla scoperta della [&#8230;]]]></description>
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<p>Si chiama H2B ed e’ una proteina che slaccia il DNA, favorendone la riparazione</p>
<p>  <span id="more-19797"></span>  </p>
<p> </p>
<p>Scoperta una proteina cruciale per la riparazione del <strong>Dna</strong>: è la H2B, capace di allentare i filamenti del Dna come una cintura troppo stretta dopo una grande abbuffata, in modo da favorire l&#8217;intervento degli enzimi riparatori.</p>
<p>Grazie alla scoperta della <strong>proteina</strong> si potrà dare vita a nuove terapie geniche mirate per alcune malattie ereditarie scatenate da difetti del sistema di riparazione del Dna: la <strong>proteina H2B</strong>, provvede a &#8216;slacciare&#8217; dal <a href="https://www.ecoseven.net//?p=18730"><strong>Dna</strong></a> una piccola proteina chiamata ubiquitina: in questo modo i filamenti del Dna si allentano e si separano, permettendo l&#8217;entrata in azione degli enzimi riparatori.</p>
<p>Si potrà curare una forma molto comune di <a href="https://www.ecoseven.net//?p=19290"><strong>cancro</strong></a> ereditario del colon (quello non poliposico), ma anche fare grandi passi in avanti nella cura di una rara malattia genetica che costringe i cosiddetti &#8216;bambini della Luna&#8217; ad evitare la luce solare perché la loro pelle è 10.000 volte più sensibile ai raggi ultravioletti, con un rischio di sviluppare un tumore della pelle che è 2.000 volte più alto della norma.  </p>
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