Depression of plasma luteinizing hormone concentration in quail by the anticholinesterase insecticide parathion
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Abstract
1. To examine the effects of parathion on basal plasma luteinizing hormone (LH) concentration, male Japanese quail (Coturnix japonica) were orally intubated with 0, 5 or 10 mg/kg parathion and sacrificed after 4, 8 and 24 hr.
2. At the 5 mg/kg dose, plasma LH levels were reduced at 4 and 8 hr, but returned to control values by 24 hr. Brain acetylcholinesterase activity was substantially reduced by 10 mg/kg parathion (52, 75 and 37% inhibition at 4, 8 and 24 hr, respectively) and plasma LH concentration remained depressed through the 24-hr period.
3. These findings suggest that the organophosphorus insecticide parathion may alter plasma LH concentration in a manner which might impair reproductive activity, and provide indirect evidence for a cholinergic component in the regulation of LH secretion in quail.
Suggested Citation
Rattner, B., Clarke, R., Ottinger, M.A., 1986, Depression of plasma luteinizing hormone concentration in quail by the anticholinesterase insecticide parathion: Comparative Biochemistry and Physiology, Part C: Comparative Pharmacology, v. 83, no. 2, p. 451-453, https://doi.org/10.1016/0742-8413(86)90153-2.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Depression of plasma luteinizing hormone concentration in quail by the anticholinesterase insecticide parathion |
| Series title | Comparative Biochemistry and Physiology, Part C: Comparative Pharmacology |
| DOI | 10.1016/0742-8413(86)90153-2 |
| Volume | 83 |
| Issue | 2 |
| Year Published | 1986 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 3 p. |
| First page | 451 |
| Last page | 453 |