pentas micrantha/phosphatase

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Benzyl Mono-P-Fluorophosphonate and Benzyl Penta-P-Fluorophosphate Anions Are Physiologically Stable Phosphotyrosine Mimetics and Inhibitors of Protein Tyrosine Phosphatases.

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Logáil Isteach / Cláraigh

α,α-Difluoro-benzyl phosphonates are currently the most popular class of phosphotyrosine mimetics. Structurally derived from the natural substrate phosphotyrosine, they constitute classical bioisosteres and have enabled the development of potent inhibitors of protein tyrosine phosphatases (PTP) and

Epigallocatechin-3-gallate and penta-O-galloyl-β-D-glucose inhibit protein phosphatase-1.

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Logáil Isteach / Cláraigh

Protein phosphatase-1 (PP1) and protein phosphatase-2A (PP2A) are responsible for the dephosphorylation of the majority of phosphoserine/threonine residues in cells. In this study, we show that (-)-epigallocatechin-3-gallate (EGCG) and 1,2,3,4,6-penta-O-galloyl-β-D-glucose (PGG), polyphenolic

Inhibition of Na+,K(+)-ATPase by 1,2,3,4,6-penta-O-galloyl-beta-D-glucose, a major constituent of both moutan cortex and Paeoniae radix.

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Logáil Isteach / Cláraigh

The inhibition of Na+,K(+)-ATPase activity by various constituents of Moutan Cortex and Paeoniae Radix was studied. 1,2,3,4,6-Penta-O-galloyl-beta-D-glucose (PGG), a major component of both crude drugs, strongly inhibited Na+,K(+)-ATPase activity (IC50 = 2.5 x 10(-6) M), whereas galloylpaeoniflorin,

Bioactivity-guided isolation of 1,2,3,4,6-Penta-O-galloyl-D-glucopyranose from Paeonia lactiflora roots as a PTP1B inhibitor.

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Logáil Isteach / Cláraigh

The inhibition of protein tyrosine phosphatase 1B (PTP1B) is of substantial interest for the treatment of type-2 diabetes mellitus. Using an in vitro enzyme assay with human recombinant PTP1B 1,2,3,4,6-penta-O-galloyl-D-glucopyranose was isolated from the roots of Paeonia lactiflora as an inhibitor

Analysis of the phosphoryl transfer mechanism of c-AMP dependent protein kinase (PKA) by penta-coodinate phosphoric transition state theory.

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Logáil Isteach / Cláraigh

This review briefly covers recent literature of research on the phosphoryl transfer mechanism of PKA. Combining experimental and theoretical calculation results on enzymes with experimentally observed biomimic activities of phosphoryl amino acids and a small molecular model of catalytic core in PKA,

Oral administration of penta-O-galloyl-β-D-glucose suppresses triple-negative breast cancer xenograft growth and metastasis in strong association with JAK1-STAT3 inhibition.

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Logáil Isteach / Cláraigh

There is an urgent clinical need for chemotherapeutic and chemopreventive drugs for triple-negative breast cancer (TNBCa). Extending on our recent work, we hypothesize that the herbal compound 1,2,3,4,6-penta-O-galloyl-beta-D-glucose (PGG) can inhibit the growth and metastasis of TNBCa xenograft and

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Herbal & Natural Medicine

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