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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Complementary and Alternative Medicine 1/2018

Study on the inhibition of Mfn1 by plant-derived miR5338 mediating the treatment of BPH with rape bee pollen

BMC Complementary and Alternative Medicine > Ausgabe 1/2018
Xuan Chen, Ren-zhao Wu, Yong-qiang Zhu, Ze-ming Ren, Ye-ling Tong, Feng Yang, Guan-hai Dai
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Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1186/​s12906-018-2107-y) contains supplementary material, which is available to authorized users.



Recent studies have found that plant derived microRNA can cross-kingdom regulate the expression of genes in humans and other mammals, thereby resisting diseases. Can exogenous miRNAs cross the blood-prostate barrier and entry prostate then participate in prostate disease treatment?


Using HiSeq sequencing and RT-qPCR technology, we detected plant miRNAs that enriched in the prostates of rats among the normal group, BPH model group and rape bee pollen group. To forecast the functions of these miRNAs, the psRobot software and TargetFinder software were used to predict their candidate target genes in rat genome. The qRT-PCR technology was used to validate the expression of candidate target genes.


Plant miR5338 was enriched in the posterior lobes of prostate gland of rats fed with rape bee pollen, which was accompanied by the improvement of BPH. Among the predicted target genes of miR5338, Mfn1 was significantly lower in posterior lobes of prostates of rats in the rape bee pollen group than control groups. Further experiments suggested that Mfn1 was highly related to BPH.


These results suggesting that plant-derived miR5338 may involve in treatment of rat BPH through inhibiting Mfn1 in prostate. These results will provide more evidence for plant miRNAs cross-kingdom regulation of animal gene, and will provide preliminary theoretical and experimental basis for development of rape bee pollen into innovative health care product or medicine for the treatment of BPH.
Additional file 1: Melt curves for each gene. (DOC 933 kb)
Additional file 2: Comparison of abundance of Armc10, Rhobtb3, Pemt and Mfn1 in posterior lobes of prostates of rats between a mixed sample of rape bee pollen group and a mixed sample of model group. (JPEG 30 kb)
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