INTERACTION BETWEEN GLUCOCORTICOIDS AND OPIATE SYSTEM ON MEMORY RETRIEVAL

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VAFAEI A.A.

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Seminar Paper

Paper Information

Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Year:2007 | Issue:18

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Title

INTERACTION BETWEEN GLUCOCORTICOIDS AND OPIATE SYSTEM ON MEMORY RETRIEVAL

Author(s)

VAFAEI A.A.

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Abstract

Extensive evidence indicates that stress and glucocorticoids modulate memory retrieval in both animals and humans, but the underlying mechanisms are not known. It appears that glucocorticoid effects on memory retrieval occur too rapidly to be mediated via the classic genomic action via intracellular receptors. Thus, it is likely that the observed rapid effects of corticosterone on memory retrieval may involve an interaction with several neurotransmitters in the brain including opiate system dopaminergic system, and noradrenergic transmission in the hippocampus and amygdala through membrane glucocorticoid receptors that are independent from the classical glucocorticoid receptors. In this work, we have pointed on interaction between glucocorticoids and opiate system on memory retrieval processes in both spatial and contextual memories in rats. Our results show that peripheral and intra-hippocampal injections of corticosterone impair retrieval long term memory in different tasks. Peripheral and intra-hippocampal injections of opioid antagonist (Naloxone or Naltrexone) blocked glucocorticoid-induced deficit in memory retrieval. Further, we have demonstrated that the hippocampal kappa opioid receptors interact with glucocorticoids in influencing long-term memory retrieval.

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APA: Copy

VAFAEI, A.A.,. (2007). INTERACTION BETWEEN GLUCOCORTICOIDS AND OPIATE SYSTEM ON MEMORY RETRIEVAL. IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY. SID. https://sid.ir/paper/904971/en

Vancouver: Copy

VAFAEI A.A.. INTERACTION BETWEEN GLUCOCORTICOIDS AND OPIATE SYSTEM ON MEMORY RETRIEVAL. 2007. Available from: https://sid.ir/paper/904971/en

IEEE: Copy

A.A. VAFAEI, an, “INTERACTION BETWEEN GLUCOCORTICOIDS AND OPIATE SYSTEM ON MEMORY RETRIEVAL,” presented at the IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY. 2007, [Online]. Available: https://sid.ir/paper/904971/en

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