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1.
Acta Pharmaceutica Sinica ; (12): 3684-3690, 2023.
Artigo em Chinês | WPRIM | ID: wpr-1004651

RESUMO

Protein tyrosine phosphatase (PTP) 1B is a potential therapeutic target for type 2 diabetes. Phosphotyrosine (pTyr) mimetics still dominate the currently available PTP1B inhibitors. The phenoxyacetic acid moiety was taken as a pTyr mimetic herein and phenoxyacetic acid-based compounds 2a-2g and 3a-3c were designed. Among them, compounds 2a-2g exhibited potent inhibition against PTP1B, and compound 2g showed an IC50 of 0.42 μmol·L-1 against PTP1B. Compound 2f exhibited pharmacological profiles similar to that of rosiglitazone, and could improve the insulin sensitivity and the serum total cholesterol level. The results suggest that PTP1B inhibitors might be effective in treating type 2 diabetes as well as associated metabolic syndromes.

2.
Acta Pharmaceutica Sinica ; (12): 367-373, 2012.
Artigo em Chinês | WPRIM | ID: wpr-323034

RESUMO

Protein tyrosine phosphatase (PTP) 1B is a potential target for the treatment of diabetes and obesity. Phosphotyrosine (pTyr) is the substrate for PTP1B dephosphorylation. Malonic acid moiety was used herein as a mimic of the phosphate group in pTyr, and novel malonic acid derivatives 1-7 were designed, synthesized and evaluated as PTP1B inhibitors. Results from enzymatic assays indicated that compounds 3 and 4 exhibited potent inhibition against human recombinant PTP1B with IC50 values of 7.66 and 1.88 micromol x L(-1), respectively.


Assuntos
Humanos , Desenho de Fármacos , Inibidores Enzimáticos , Química , Farmacologia , Concentração Inibidora 50 , Malonatos , Química , Farmacologia , Estrutura Molecular , Proteína Tirosina Fosfatase não Receptora Tipo 1 , Metabolismo , Relação Estrutura-Atividade
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