TRPV1 analgesics disturb core body temperature via a biased allosteric mechanism involving conformations distinct from that for nociception
文献类型： 外文期刊
作者： Huang, Yi-Zhe 1 ; Ma, Jing-Xian 1 ; Bian, Yu-Jing 1 ; Bai, Qin-Ru 1 ; Gao, Yu-Hao 1 ; Di, Shu-Ke 1 ; Lei, Yun-Tao 1 ; Yang, Hui 5 ; Yang, Xiao-Na 6 ; Shao, Chang-Yan 1 ; Wang, Wen -Hui 1 ; Cao, Peng 7 ; Li, Chang -Zhu 4 ; Zhu, Michael X. 8 ; Sun, Meng -Yang 1 ; Yu, Ye 1 ;
作者机构： 1.China Pharmaceut Univ, Sch Basic Med, State Key Lab Nat Med, Nanjing 210009, Peoples R China
2.China Pharmaceut Univ, Sch Clin Pharm & Tradit Chinese Pharm, Nanjing 210009, Peoples R China
3.China Pharmaceut Univ, State Key Lab Nat Med, Nanjing 210009, Peoples R China
4.Hunan Acad Forestry, State Key Lab Utilizat Woody Oil Resource, Changsha 410004, Hunan, Peoples R China
5.Hunan Acad Agr Sci, Tea Res Inst, Changsha 410125, Hunan, Peoples R China
6.Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Peoples R China
7.Nanjing Univ Chinese Med, Hosp Integrated Tradit Chinese & Western Med, Nanjing 210023, Peoples R China
8.Univ Texas Hlth Sci Ctr Houston, McGovern Med Sch, Dept Integrat Biol & Pharmacol, Houston, TX 77030 USA
期刊名称：NEURON （ 影响因子：14.7； 五年影响因子：16.9 ）
ISSN： 0896-6273
年卷期： 2024 年 112 卷 11 期
页码：
收录情况： SCI
摘要： Efforts on developing transient receptor potential vanilloid 1 (TRPV1) drugs for pain management have been hampered by deleterious hypo- or hyperthermia caused by TRPV1 agonists/antagonists. Here, we compared the effects of four antagonists on TRPV1 polymodal gating and core body temperature (CBT) in Trpv1 +/+ , Trpv1 - / - , and Trpv1 T634A/T634A . Neither the effect on proton gating nor drug administration route, hair coverage, CBT rhythmic fluctuations, or inflammation had any influence on the differential actions of TRPV1 drugs on CBT. We identified the S4 -S5 linker region exposed to the vanilloid pocket of TRPV1 to be critical for hyperthermia associated with certain TRPV1 antagonists. PSFL2874, a TRPV1 antagonist we discovered, is effective against inflammatory pain but devoid of binding to the S4 -S5 linker and inducing CBT changes. These findings implicate that biased allosteric mechanisms exist for TRPV1 coupling to nociception and CBT regulation, opening avenues for the development of non-opioid analgesics without affecting CBT.
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