Targeting Peripheral μ-opioid Receptors or μ-opioid Receptor-Expressing Neurons Does not Prevent Morphine-induced Mechanical Allodynia and Anti-allodynic Tolerance

 Feng Du1,2,3 · Guangjuan Yin2,3 · Lei Han4  · Xi Liu2,3 · Dong Dong2,3 · Kaifang Duan2,3 · Jiantao Huo2,3 · Yanyan Sun4  · Longzhen Cheng2,3,5
1 School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China 
2 Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China 
3 Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen 518055, China 
4 Department of Anesthesiology, Shenzhen University General Hospital, Shenzhen University, Shenzhen 518055, China 
5 Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China

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