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Data · dataset · 2021

Myostatin Increases the Expression of Matrix Metalloproteinase genes to Promote Preadipocytes Differentiation in Pigs

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Myostatin (MSTN) resulted in reduced backfat thickness in MSTN-knockout (MSTN-KO) pigs, whereas the underlying mechanism remains elusive.

Description

In this study, RNA sequencing (RNA-seq) was used to screen differentially expressed genes (DEGs) in porcine fat tissues. We identified 285 DEGs, including 4 adipocyte differentiation-related genes (ADRGs).

Matrix Metalloproteinase-2/7 (MMP-2/7), fibronectin (FN), and laminin (LN) were differentially expressed in MSTN-KO pigs compared with wild-type (WT) pigs. To investigate the molecular mechanism, we treated the preadipocytes with siRNA and recombinant MSTN protein. The results indicated that MSTN increased the expression of MMP-2/7/9 and promoted the preadipocyte differentiation.

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To further validate the effect of MSTN on MMP-2/7/9 expression, we treated MSTN-KO PK15 cells with recombinant MSTN protein and detected the expression of MMP-2/7/9. The data showed that MSTN increases the expression of MMP-2/7/9 in PK15. This study revealed MSTN promoted the preadipocyte differentiation and provided the basis for the mechanism of fatty deposition in pigs.

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Inferred from text
RNA sequencing 75% · Sequencing 75%
Provenance · 1 source records, 12 field assertions
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ScienceDB10.11922/sciencedb.0134710 d agoJSON v1
FieldAssertionExtractorEvidence
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