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Cocktail supplement with rosiglitazone: a novel inducer for chicken preadipocyte differentiation in vitro.

ABSTRACT: The preadipocyte differentiation biological process involves a cascade of transcriptional events that culminates in the expression of peroxisome proliferator-activated receptor (PPAR) ?. The differentiation cocktail [insulin (INS), dexamethasone (DEX) and isobutylmethylxanthine (IBMX)] can induce preadipocyte differentiation in mammals, but it is insufficient for chicken (Gallus gallus) adipogenesis. Oleate can induce chicken preadipocyte differentiation, but these differentiated preadipocytes may not be fully functional. The objective of the current study was to evaluate whether chicken preadipocytes can be induced to mature adipocytes by a novel induction method using differentiation cocktail supplemented with PPAR? agonist(s). Chicken preadipocytes cultured in cocktail supplemented with rosiglitazone or troglitazone resulted in a marked increase in lipid droplet accumulation (P<0.05), glycerol-3-phosphate dehydrogenase (GPDH) activity (P<0.05), mRNA expression level of adipocyte fatty acid-binding protein (aP2; P<0.05), G0/G1 switch gene 2 (G0S2; P<0.05) and lipolysis (P<0.05). In addition, supplementation of the cocktail with rosiglitazone promoted PPAR? mRNA expression (P<0.05). In conclusion, our data indicated that chicken preadipocytes can be induced to mature adipocytes using differentiation cocktail supplemented with rosiglitazone. The results of the present study provide a novel induction method for in vitro chicken preadipocyte differentiation.

SUBMITTER: Cheng B

PROVIDER: S-EPMC5293590 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Cocktail supplement with rosiglitazone: a novel inducer for chicken preadipocyte differentiation <i>in vitro</i>.

Cheng Bohan B Wu Mengqi M Xu Songsong S Zhang Xinyang X Wang Yuxiang Y Wang Ning N Leng Li L Li Hui H

Bioscience reports 20161103 6

The preadipocyte differentiation biological process involves a cascade of transcriptional events that culminates in the expression of peroxisome proliferator-activated receptor (PPAR) γ. The differentiation cocktail [insulin (INS), dexamethasone (DEX) and isobutylmethylxanthine (IBMX)] can induce preadipocyte differentiation in mammals, but it is insufficient for chicken (<i>Gallus gallus</i>) adipogenesis. Oleate can induce chicken preadipocyte differentiation, but these differentiated preadipo ...[more]

PMID: 27638500

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Project description:The hyperplasia and hypertrophy of preadipocytes were closely related to lipid deposition in animals. Butyric acid was reported to be involved in lipid metabolism. The aim of the current study was to investigate the effect of butyric acid on the proliferation and differentiation of the immortalized chicken preadipocyte 2 (ICP2). ICP2 were treated respectively with 12mM butyric acid for 48h in proliferation trial and 4mM butyric acid plus 200 μM oleic acid for 3 d in differentiation trial. For the proliferation trial, RNA-seq analysis revealed that 2039 genes were significantly up-regulated and 780 genes were significantly down-regulated with 12 mM butyric acid after 48 h treatment. Concurrently, Cell cycle, DNA replication and p53 signaling pathways were down-regulated in Butyric acid group. More importantly, 12 mM butyric acid restrained the expression of cell proliferation genes such as PCNA, CDK1 and CDK2 in Butyric acid group (P < 0.05), and the protein expression levels of PCNA and CDK1 were also significantly decreased (P < 0.05). The Oil red staining revealed a fewer presence of red fat droplets in ICP2 following treatment with 4 mM butyric acid, accompanied by decreased levels of total cholesterol (TC) and triglycerides (TG). RNA-seq analysis shown that the number of up and down-regulated genes were 2095 and 1042 respectively in OAB group (oleic acid+butyric acid) when compared with OA group (oleic acid). Meanwhile the AMPK signaling pathway, FOXO signaling pathway and focal adhesion were significantly enriched in OAB group. Additionally, 4 mM butyric acid inhibited the expression of lipid differentiation genes including FABP4, C/EBPα, PPARγ and LPL in OAB group (P < 0.05), as well as lipogenesis proteins such as FABP4, C/EBP-α and PPARγ (P < 0.05). In conclusion, 12 mM butyric acid effectively inhibited the proliferation of ICP2 by slowing down cell cycle progression, while 4 mM butyric acid alleviated lipid deposition by reducing the production of lipid droplets through inhibiting the expression of lipid differentiation marker genes and proteins.

Dataset Information

Cocktail supplement with rosiglitazone: a novel inducer for chicken preadipocyte differentiation in vitro.

Publications

Cocktail supplement with rosiglitazone: a novel inducer for chicken preadipocyte differentiation <i>in vitro</i>.

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