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Identification of an alternative ligand binding pocket in PPAR-γ and its corelated selective agonist for promoting beige adipocyte differentiation

ABSTRACT: Identification of an alternative ligand binding pocket in PPAR-γ and its corelated selective agonist for promoting beige adipocyte differentiation

PROVIDER: PRJNA1112351 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29054584_1.fastq.gz	Fastqsanger.gz
	SRR29054584_2.fastq.gz	Fastqsanger.gz
	SRR29054585_1.fastq.gz	Fastqsanger.gz
	SRR29054585_2.fastq.gz	Fastqsanger.gz
	SRR29054586_1.fastq.gz	Fastqsanger.gz

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Identification of an alternative ligand binding pocket in PPAR-γ and its corelated selective agonist for promoting beige adipocyte differentiation

Project description:Pharmacological activation of peroxisome proliferator-activated receptor gamma (PPAR-γ) is a convenient and promising tactic for promoting beige adipocyte biogenesis to combat obesity-related metabolic disorders. However, thiazolidinediones (TZDs), the full agonist of PPAR-γ exhibits severe side effects in animal model and clinical uses. Therefore, it is emerging to develop efficient and safe PPAR-γ modulators for metabolic disease treatment. Here, by utilizing comprehensive methods, we report a previously unidentified ligand binding pocket (LBP) in PPAR-γ and link it to beige adipocyte differentiation. Further virtual screening from 4097 natural compounds based on this novel LBP, we discover NJT-2, a terpenoid compound, can bind to PPAR-γ induce co-activator recruitment and effectively activate PPAR-γ mediated transcription of beige adipocyte program. Importantly, in mouse model, NJT-2 administration efficiently promotes beige adipocyte biogenesis and improve obesity-associated metabolic dysfunction with significant lower adverse effects than those observed in TZD. Our results not only provide an advanced molecular insight into the structural ligand binding details in PPARg, but also develop its linked selective and safe agonist for obesity treatment.

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Identification of an alternative ligand-binding pocket in peroxisome proliferator-activated receptor gamma and its correlated selective agonist for promoting beige adipocyte differentiation.

Project description:The pharmacological activation of peroxisome proliferator-activated receptor gamma (PPARγ) is a convenient and promising strategy for promoting beige adipocyte biogenesis to combat obesity-related metabolic disorders. However, thiazolidinediones (TZDs), the full agonists of PPARγ exhibit severe side effects in animal models and in clinical settings. Therefore, the development of efficient and safe PPARγ modulators for the treatment of metabolic diseases is emerging. In this study, using comprehensive methods, we report a previously unidentified ligand-binding pocket (LBP) in PPARγ and link it to beige adipocyte differentiation. Further virtual screening of 4097 natural compounds based on this novel LBP revealed that saikosaponin A (NJT-2), a terpenoid compound, can bind to PPARγ to induce coactivator recruitment and effectively activate PPARγ-mediated transcription of the beige adipocyte program. In a mouse model, NJT-2 administration efficiently promoted beige adipocyte biogenesis and improved obesity-associated metabolic dysfunction, with significantly fewer adverse effects than those observed with TZD. Our results not only provide an advanced molecular insight into the structural ligand-binding details in PPARγ, but also develop a linked selective and safe agonist for obesity treatment.

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