First-in-human study demonstrating pharmacological activation of heme oxygenase-1 in humans.

First-in-human study demonstrating pharmacological activation of heme oxygenase-1 in humans.
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DOI:
10.1038/clpt.2009.221
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发表时间:
2010-02
影响因子:
6.7
通讯作者:
--
中科院分区:
医学2区
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血红素加氧酶1 (HO-1)可降解血红素并防止氧化应激,但尚未在人体中得到药理诱导。在这项随机研究中(10名健康志愿者),血红素(3mg /kg。与白蛋白相比,5名受试者中的4名在24和48h时血浆HO-1蛋白浓度增加了4 - 5倍,HO-1活性增加了~15倍(安慰剂- 56.41±6.31[基线],77.44±10.62[48小时],血红蛋白- 71.70±9.20[基线],1192.20±333.30[48小时]),从而克服了人类HO-1研究的根本挑战(p≤0.03)。
Heme-oxygenase 1 (HO-1) degrades heme and protects against oxidative stress, but has not been pharmacologically induced in humans. In this randomized study (10 healthy volunteers), hemin (3 mg/kg. i.v in 25% albumin) increased plasma HO-1 protein concentration by 4–5 fold and HO-1 activity by ~15 fold over baseline at 24 and 48 h (placebo − 56.41 ± 6.31 [baseline], 77.44 ± 10.62 [48h] versus hemin − 71.70 ± 9.20 [baseline], 1192.20 ± 333.30 [48h]) in 4 of 5 subjects compared to albumin (p ≤ 0.03), thereby overcoming a fundamental challenge to HO-1 research in humans.
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发表时间: 2002-03-27
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