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en Effect of Treatment with Thyme Extract on Urinary Levels of Melatonin in an Experimental Autoimmune Encephalomyelitis Mouse Model بیوشیمی Biochemistry مقالات اصلی Original Article <div style="text-align: justify;">Background: Thymus vulgaris, or thyme belongs to the Lamiaceae family of aromatic plant species and has established antioxidant and anti-inflammatory properties. We examined the association between thyme extract treatment to recovered urinary levels of melatonin, a hormone with neuroprotective effects, in mice induced with EAE. Methods: Eight B6 mice induced with EAE were randomized into two groups and exposed to either 50 mg/kg of thyme extract or PBS. After EAE induction, mice were injected i.p every other day from day 0 to 21. Four B6 mice without EAE were considered the healthy control group. Urine samples were collected consecutively for two 24 h periods on day 19 and 20. We examined whether thyme extract treatment modified urinary melatonin sulfate concentration (ng/mL) in EAE-induced mice using an ELISA. Results: The clinical score and body weight in thyme-treated EAE group were significantly lower in comparison to the EAE control group at indicated time points. The urinary melatonin concentration was significantly lower in the EAE control group compared to the healthy mice. There was no significant difference between thyme-treated and EAE groups regarding the urine melatonin concentration. Conclusions: Our results show that exposing EAE mice to thyme extract improved their clinical symptoms, however, there was no significant effect on urinary melatonin concentration.  </div> Enzyme-linked immunosorbent assay (ELISA), Experimental autoimmune encephalomyelitis (EAE), Melatonin, Thymus vulgaris (Thyme), Urine. 407 412 http://rbmb.net/browse.php?a_code=A-10-92-2&slc_lang=en&sid=1 Merat Mahmoodi merat.mahmoodi@yahoo.com 100319475328460017429 100319475328460017429 No Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran. Farnaz Sedghy fsedghy@gmail.com 100319475328460017430 100319475328460017430 Yes Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran. Abdollah Jafarzadeh jafarzadeh14@yahoo.com 100319475328460017431 100319475328460017431 No Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.