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Saccharin effects on morphine-induced temperature change in rats
R L Bowers1, L D Nicastle, D C Falb
1Department of Psychology, University of Charleston, SC 29424.
Pharmacology, Biochemistry, and Behavior
|October 1, 1993
Summary
Saccharin consumption significantly amplified morphine
Area of Science:
- Neuroscience
- Pharmacology
- Behavioral Science
Background:
- The interaction between sweet substances and opioid pathways is not fully understood.
- Investigating the influence of artificial sweeteners on drug responses is crucial for public health.
Purpose of the Study:
- To determine the effect of saccharin on morphine-induced changes in body temperature in rats.
- To explore the potential role of sweet taste perception in modulating opioid effects.
Main Methods:
- Long-Evans rats were exposed to saccharin or water.
- Morphine sulfate (2 mg/kg) was administered.
- Body temperature was monitored for 75 minutes post-injection.
Main Results:
- Saccharin consumption enhanced the hypothermic effect of morphine.
- A significant increase in the morphine-induced hypothermic phase was observed in rats exposed to saccharin.
- Reintroduction of saccharin after deprivation further modulated the response.
Conclusions:
- Sweet substances like saccharin may influence endogenous opioid release.
- Dietary factors can modulate the physiological effects of opioid drugs.
- Further research is warranted to elucidate the mechanisms underlying this interaction.

