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. 2008 May 21;3(5):e2231. doi: 10.1371/journal.pone.0002231

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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A. Western blots of calpain-1 and β-actin of arterial rings from young and old rats treated with Ang II for 72 hrs (left panels); average data (right panel). B. Western blots of the calpain substrate, α-II spectrin, of arterial rings from young and old rats treated with Ang II for 72 hrs (left panel); average data of cleaved α-II spectrin fraction (right panel). *p<0.05, vs. young untreated rings (control).