Regulation of Srpr expression by miR-330-5p controls proliferation of mouse epidermal keratinocyte

Bong Kyu Kim; Hye In Yoo; Keonwoo Choi; Ah Reum Lee; Sungjoo Kim Yoon

doi:10.1371/journal.pone.0164896

Regulation of Srpr expression by miR-330-5p controls proliferation of mouse epidermal keratinocyte

Bong Kyu Kim
, Hye In Yoo
, Keonwoo Choi
, Ah Reum Lee
, Sungjoo Kim Yoon

Department of Biomedicine & Health Science

The Catholic University of Korea

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Srpr is a gene encoding α subunit of the signal recognition particle receptor which is involved in the targeting and translocation of nascent secretory and membrane proteins to the endoplasmic reticulum. Previous studies showed aberrant expression of Srpr in several cell types with abnormal growth rate. Although Srpr is expressed in various tissues including skin, the role of Srpr in keratinocytes and regulation of its expression by miRNAs have not been studied. In this study, we investigated the role of SRPR and regulation of its expression by miRNA in skin keratinocytes. We found that SRPR was highly expressed in epidermal keratinocytes and regulated keratinocyte proliferation by affecting cell cycle progression. We also demonstrated that miR-330-5p directly inhibits Srpr expression. These data suggest that miR-330-5p-mediated regulation of the SRPR level is needed for the regulation of proliferation of epidermal keratinocytes.

Original language	English
Article number	e0164896
Journal	PLoS ONE
Volume	11
Issue number	10
DOIs	https://doi.org/10.1371/journal.pone.0164896
State	Published - Oct 2016

Bibliographical note

Publisher Copyright:
© Copyright 2016 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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10.1371/journal.pone.0164896

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title = "Regulation of Srpr expression by miR-330-5p controls proliferation of mouse epidermal keratinocyte",

abstract = "Srpr is a gene encoding α subunit of the signal recognition particle receptor which is involved in the targeting and translocation of nascent secretory and membrane proteins to the endoplasmic reticulum. Previous studies showed aberrant expression of Srpr in several cell types with abnormal growth rate. Although Srpr is expressed in various tissues including skin, the role of Srpr in keratinocytes and regulation of its expression by miRNAs have not been studied. In this study, we investigated the role of SRPR and regulation of its expression by miRNA in skin keratinocytes. We found that SRPR was highly expressed in epidermal keratinocytes and regulated keratinocyte proliferation by affecting cell cycle progression. We also demonstrated that miR-330-5p directly inhibits Srpr expression. These data suggest that miR-330-5p-mediated regulation of the SRPR level is needed for the regulation of proliferation of epidermal keratinocytes.",

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AU - Kim, Bong Kyu

AU - Yoo, Hye In

AU - Choi, Keonwoo

AU - Lee, Ah Reum

AU - Yoon, Sungjoo Kim

N1 - Publisher Copyright: © Copyright 2016 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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N2 - Srpr is a gene encoding α subunit of the signal recognition particle receptor which is involved in the targeting and translocation of nascent secretory and membrane proteins to the endoplasmic reticulum. Previous studies showed aberrant expression of Srpr in several cell types with abnormal growth rate. Although Srpr is expressed in various tissues including skin, the role of Srpr in keratinocytes and regulation of its expression by miRNAs have not been studied. In this study, we investigated the role of SRPR and regulation of its expression by miRNA in skin keratinocytes. We found that SRPR was highly expressed in epidermal keratinocytes and regulated keratinocyte proliferation by affecting cell cycle progression. We also demonstrated that miR-330-5p directly inhibits Srpr expression. These data suggest that miR-330-5p-mediated regulation of the SRPR level is needed for the regulation of proliferation of epidermal keratinocytes.

AB - Srpr is a gene encoding α subunit of the signal recognition particle receptor which is involved in the targeting and translocation of nascent secretory and membrane proteins to the endoplasmic reticulum. Previous studies showed aberrant expression of Srpr in several cell types with abnormal growth rate. Although Srpr is expressed in various tissues including skin, the role of Srpr in keratinocytes and regulation of its expression by miRNAs have not been studied. In this study, we investigated the role of SRPR and regulation of its expression by miRNA in skin keratinocytes. We found that SRPR was highly expressed in epidermal keratinocytes and regulated keratinocyte proliferation by affecting cell cycle progression. We also demonstrated that miR-330-5p directly inhibits Srpr expression. These data suggest that miR-330-5p-mediated regulation of the SRPR level is needed for the regulation of proliferation of epidermal keratinocytes.

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Regulation of Srpr expression by miR-330-5p controls proliferation of mouse epidermal keratinocyte

Abstract

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