{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T14:24:14Z","timestamp":1788272654620,"version":"build-2803163510"},"reference-count":52,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,6,2]],"date-time":"2022-06-02T00:00:00Z","timestamp":1654128000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pharmacol."],"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Depression is a common mental disorder, and its morbidity rate is expected to rank second among all mental disorders by 2020. Hence, traditional Chinese medicines gradually attract the attention of many researchers because of their various targets and low toxicity. Huolisu oral solution (HLS) is a Chinese medicine compound preparation, which is present in the Chinese Pharmacopoeia. It is used clinically mainly for the treatment of neurasthenia, perimenopausal syndrome, and insomnia, or depression associated with cerebrovascular disease. Despite the fact that HLS has been used as an antidepressant in clinics, the underlying mechanism is still an untouched domain. To provide a theoretical basis for the clinical application, a series of assessment methods, such as the tail suspension test (TST), forced swim test (FST), and locomotor activity test in mice and rat models of chronic unpredictable mild stress (CUMS), have been conducted in our study.<\/jats:p><jats:p><jats:bold>Objective:<\/jats:bold> The aim of the study was to explore the antidepressive effect and mechanism of HLS.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> CUMS was induced in rats to simulate a depression-like behavior. Neurotransmitters and hormones were detected by enzyme-link immunosorbent assay (ELISA). Pathomorphology examination of the hippocampus was obtained by using the TSView 7 image analysis system. The active ingredients of HLS were also determined by high-performance liquid chromatography (HPLC).<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> HLS could alleviate the depression-like behavior of the model rats. Biochemical analysis showed that HLS enhanced the levels of 5-hydroxytryptamine (5-HT), norepinephrine (NE), and dopamine (DA) in the hippocampus and diminished these in the serum of the CUMS rats. HLS could also decrease the concentration of corticosterone (CORT), adrenocorticotropic hormone (ACTH), and \u03b2-endorphin (\u03b2-EP) in blood. The pathohistological examination revealed that the hippocampus and adrenal gland were improved after treatment with HLS.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> This study concluded that HLS could alleviate depression-like behaviors in the rats exposed to CUMS, and the potential mechanism may be related to the regulation of the monoamine neurotransmitters, the hypothalamic\u2013pituitary\u2013adrenal (HPA) axis, and the \u03b2-EP. These findings hint that HLS is likely to be a potentially effective agent for treating depression.<\/jats:p>","DOI":"10.3389\/fphar.2022.893283","type":"journal-article","created":{"date-parts":[[2022,6,2]],"date-time":"2022-06-02T11:49:19Z","timestamp":1654170559000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Effects of Huolisu Oral Solution on Depression-Like Behavior in Rats: Neurotransmitter and HPA Axis"],"prefix":"10.3389","volume":"13","author":[{"given":"Min","family":"Xiao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaiyong","family":"Xie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Yuan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhonghua","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,6,2]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1095","DOI":"10.1007\/s00213-014-3745-5","article-title":"Behavioral Effects of Nicotinic Antagonist Mecamylamine in a Rat Model of Depression: Prefrontal Cortex Level of BDNF Protein and Monoaminergic Neurotransmitters","volume":"232","author":"Aboul-Fotouh","year":"2015","journal-title":"Psychopharmacology (Berl)"},{"key":"B2","doi-asserted-by":"publisher","first-page":"60","DOI":"10.1016\/j.pain.2009.08.004","article-title":"Clinical and Endocrinological Changes after Electro-Acupuncture Treatment in Patients with Osteoarthritis of the Knee","volume":"147","author":"Ahsin","year":"2009","journal-title":"Pain"},{"key":"B3","doi-asserted-by":"publisher","first-page":"415","DOI":"10.1016\/j.psyneuen.2010.03.007","article-title":"The Glucocorticoid Receptor: Pivot of Depression and of Antidepressant Treatment?","volume":"36","author":"Anacker","year":"2011","journal-title":"Psychoneuroendocrinology"},{"key":"B4","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/j.pneurobio.2008.01.004","article-title":"Neurotransmitter, Peptide and Cytokine Processes in Relation to Depressive Disorder: Comorbidity between Depression and Neurodegenerative Disorders","volume":"85","author":"Anisman","year":"2008","journal-title":"Prog. 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