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Beta-endorphin levels during the climacteric period.

B Schurz¹, G Wimmer-Greinecker, M Metka

¹1st Department of Obstetrics and Gynaecology, Vienna, Austria.

|May 1, 1988

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Hot flushes are not caused by high gonadotropin levels. Neurotransmitter changes and reduced ovarian hormones during menopause may disrupt thermoregulation, leading to hot flushes.

Area of Science:

Neuroendocrinology
Thermoregulation
Menopause Research

Background:

Hot flushes are a common symptom of menopause.
The exact cause of hot flushes remains unclear.
Previous theories suggested a link to hypergonadotrophinaemia.

Purpose of the Study:

To investigate the neuroendocrine mechanisms underlying hot flushes.
To test the hypothesis that neurotransmitter changes contribute to hot flushes.
To explore the role of beta-endorphin in menopausal thermoregulation.

Main Methods:

Observational study comparing gonadotropin levels and hot flush occurrence.
Analysis of neurotransmitter and hormone levels in women during climacteric.
Assessment of beta-endorphin levels in relation to hot flushes and stress.

Related Experiment Videos

Main Results:

Gonadotropin peaks do not correlate with hot flushes.
Hot flushes occur even in hypophysectomized women.
Low peripheral beta-endorphin levels observed during climacteric, rising with estrogen treatment.

Conclusions:

Hot flushes are not caused by hypergonadotrophinaemia.
Neurotransmitter alterations, including changes in beta-endorphin, likely play a role in menopausal thermoregulation disturbances.
Hormone substitution therapy may normalize beta-endorphin levels and alleviate severe hot flushes.