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Inflammatory mediators of opioid tolerance: Implications for dependency and addiction.

Eidson LN, Murphy AZ (2019) Inflammatory mediators of opioid tolerance: Implications for dependency and addiction. Peptides 115:51-58. doi: 10.1016/j.peptides.2019.01.003

Objective: To determine what mediates opioid tolerance and alterations in glutamate homeostasis.

Summary: Site-specific lesions of PAG MOR-containing neurons using Dermorphin-SAP significantly reduce the antinociceptive effects of systemic morphine suggesting that PAG MOR is critical for morphine action.

Usage: Rats were injected with 3 pmol of Dermorphin-SAP (Cat. #IT-12) into the PAG. Blank-SAP (Cat. #IT-21) was used as a control.

See: Loyd DR et al. Sex differences in micro-opioid receptor expression in the rat midbrain periaqueductal gray are essential for eliciting sex differences in morphine analgesia. J Neurosci 28:14007-14017, 2008.

Related Products: Dermorphin-SAP / MOR-SAP (Cat. #IT-12), Blank-SAP (Cat. #IT-21)

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