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The Effects of Evening Primrose/Hemp Seed Oil Compared to Rapamycin on the Gene Expression of Immunological Parameters in Experimental Autoimmune Encephalomyelitis Splenocytes.

Iran J Allergy Asthma Immunol. 2020 Apr 16;19(2):183-192

Authors: Rezapour-Firouzi S, Mohammadian M, Sadeghzadeh M, Mehranfar S, Mazloomi E

Mouse model of multiple sclerosis (MS) is used for the inflammatory demyelinating disease. Rapamycin (RAPA) may contribute to the reduction of inflammatory responses to experimental autoimmune encephalomyelitis (EAE). Due to its adverse side effects, identifying new therapeutic agents is important. We investigated the transcriptional effects of evening primrose/hemp seed oil (EP/HS oil) compared to RAPA on the expression of immunological factors genes in spleen cells of EAE mouse models. We firstly induced EAE mice by injection of myelin oligodendrocyte glycoprotein (MOG). Then, the EAE mice treated and untreated with EP/HS oil were evaluated and compared with naïve mice. The spinal cords were examined histologically. The immunological factors including genes expression of the regulatory-associated protein of mammalian target of rapamycin (RAPTOR), regulatory-associated companion of mammalian target of rapamycin (RICTOR), interferon (IFN)-γ, interleukin (IL)-10, signal transducer and activator of transcription factors (STAT3), forkhead box P3 (FOXP3), and IL-17 of splenocytes were evaluated by real time-polymerase chain reaction (RT-PCR). The data showed that EP/HS oil was able to reduce the severity of EAE and inhibited the development of the disease. EP/HS oil treatment significantly inhibited the expression of RAPTOR, IFN-γ, IL-17, and STAT3 genes and promoted the expression of RICTOR, IL-10, and FOXP3 genes. In conclusion, the EP/HS oil is likely to be involved in transcription of factors in favor of EAE improvement as well as participating in remyelination in the EAE spinal cord and that it suggests to be effective in therapeutic approaches for MS.

PMID: 32372631 [PubMed – indexed for MEDLINE]

Source: ncbi 2

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