Thermosensation and pain

Thermosensation and pain
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DOI:
10.1002/neu.20079
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发表时间:
2004-10-01
期刊:
JOURNAL OF NEUROBIOLOGY
影响因子:
--
通讯作者:
Caterina, MJ
Caterina, MJ
中科院分区:
其他
文献类型:
--
作者:
Tominaga, M;Caterina, MJ

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我们感觉到从冷到热的温度变化范围很大。在这个范围内,温度超过约43摄氏度和低于约15摄氏度不仅引起热感觉,而且引起疼痛感。在哺乳动物中,已经报道了六种热敏离子通道,它们都属于TRP(瞬时受体电位)超家族。这些包括TRPV 1(VR 1)、TRPV 2(VRL-1)、TRPV 3、TRPV 4、TRPM 8(CMR 1)和TRPA 1(ANKTM 1)。这些通道表现出不同的热激活阈值(TRPV 1> 43 ℃,TRPV 2> 52 ℃,TRPV 3>类似于34 - 38 ℃,TRPV 4>类似于27 - 35 ℃,
we feel a wide range of temperatures spanning from cold to heat. Within this range, temperatures over about 43degreesC and below about 15degreesC evoke not only a thermal sensation, but also a feeling of pain. In mammals, six thermosensitive ion channels have been reported, all of which belong to the TRP (transient receptor potential) superfamily. These include TRPV1 (VR1), TRPV2 (VRL-1), TRPV3, TRPV4, TRPM8 (CMR1), and TRPA1 (ANKTM1). These channels exhibit distinct thermal activation thresholds (>43degreesC for TRPV1 >52degreesC for TRPV2, >similar to34-38degreesC for TRPV3, >similar to27-35degreesC for TRPV4,