Randomised trial, 2011
Does the Chinese herbal formula Baixiangdan help PMS symptoms by changing nerve cell activity?
In rat studies, the formula reduced PMS-like behaviors and enhanced nerve cell survival and GABA receptor activity, which affects mood and anxiety.
What they did
Animal study with rats randomly assigned to normal or treatment group. Rats were observed in an open field test measuring how much they moved and explored. Then blood serum from treated rats was used to test how it affected nerve cells grown in laboratory dishes, measuring cell survival and GABA receptor function.
What they found
Treatment group rats showed lower activity scores in the open field test (less crossing and rearing). Nerve cells exposed to serum from treated rats survived better at 24 and 48 hours. GABA receptor activity changed: EC50 value increased from 29.0 in normal serum to 63.5 in treated group serum.
What it means for you
The formula may help PMS by improving nerve cell health and changing how GABA receptors work, which could reduce anxiety and mood problems. The main limitations are that this is a rat study, not humans, and involves laboratory-grown cells.
29.0
EC50 normal serum
63.5
EC50 treated serum
About the study
- Original title
- [Treatment of premenstrual syndrome with Chinese medicine formula, baixiangdan capsule: implications for neuron viability and GABA(A) receptor modulation in rat cortex]
- Authors
- Sun S, Qiao M, Zhang H
- Journal
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
- Year
- 2011
- Study design
- Randomised trial
- What was tested
- Baixiangdan capsule (Chinese medicinal formula)
- Read the paper
- doi.org/10.4268/cjcmm20111122
Topics
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