selaginella schaffneri/phosphatase

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Protein tyrosine phosphatase 1B inhibitory activity of amentoflavone and its cellular effect on tyrosine phosphorylation of insulin receptors.

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Inhibition of protein tyrosine phosphatase 1B (PTP1B) has been proposed as a strategy for the treatment of type 2 diabetes and obesity. Bioassay-guided fractionation of MeOH extract of Selaginella tamariscina (Selaginellaceae) afforded a PTP1B inhibitory compound, amentoflavone. The compound

The biflavonoids as protein tyrosine phosphatase 1B inhibitors from Selaginella uncinata and their antihyperglycemic action.

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Nine biflavonoids (1-9) were isolated from ethanolic extract of Selaginella uncinata (Desv.) Spring. Their structures were determined by spectra analysis. Compounds 1-9 were classified into four types according to the connection styles of the two flavonoid parts. Among them, 1 was elucidated as a

Insulin-mimetic selaginellins from Selaginella tamariscina with protein tyrosine phosphatase 1B (PTP1B) inhibitory activity.

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As part of an ongoing search for new antidiabetic agents from medicinal plants, three new (2, 4, and 5) and two known selaginellin derivatives (1 and 3) were isolated from a methanol extract of Selaginella tamariscina. The structures of the new compounds were determined by spectroscopic data

Selaginellin and biflavonoids as protein tyrosine phosphatase 1B inhibitors from Selaginella tamariscina and their glucose uptake stimulatory effects.

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As part of an ongoing search for new antidiabetic agents from medicinal plants, the methanol extract of the aerial parts of Selaginella tamariscina was found to possess stimulatory effect on glucose uptake in 3T3-L1 adipocyte cells. Thus, bioassay-guided isolation of this active extract yielded two

Amentoflavone Promotes Apoptosis in Non-small-cell Lung Cancer by Modulating Cancerous Inhibitor of PP2A.

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Non-small-cell lung cancer (NSCLC) is one of the most common human malignancies. Amentoflavone (AF) is one of bioflavonoid compounds isolated from Selaginella tamariscina Spring. This study was designed to examine the effect of AF on NSCLC. Our results indicated that AF decreased cell viability of

Selaginella tamariscina water extract inhibits receptor activator for the nuclear factor-κB ligand-induced osteoclast differentiation by blocking mitogen-activated protein kinase and NF-κB signaling.

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BACKGROUND Selaginella tamariscina has been traditionally used in Korea for treating hematochezia, hematuria, and prolapse of the anus. The aim of this study was to evaluate the inhibitory effect of Selaginella tamariscina water extract (ST-WE) on osteoclast differentiation, and to determine the

PTP1B inhibitors from Selaginella tamariscina (Beauv.) Spring and their kinetic properties and molecular docking simulation.

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Diabetes is one of the most popular worldwide diseases, regulated by the defects in insulin secretion, insulin action, or both. The overexpression of protein tyrosine phosphatase 1B (PTP1B) was found to down-regulate the insulin-receptor activation. PTP1B has been known as a strategy for the

Functional screening of a cDNA library from the desiccation-tolerant plant Selaginella lepidophylla in yeast mutants identifies trehalose biosynthesis genes of plant and microbial origin.

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Trehalose is a non-reducing disaccharide that accumulates to large quantities in microbial cells, but in plants it is generally present in very low, barely-detectible levels. A notable exception is the desiccation-tolerant plant Selaginella lepidophylla, which accumulates very high levels of

The biflavonoid amentoflavone induces apoptosis via suppressing E7 expression, cell cycle arrest at sub-G₁ phase, and mitochondria-emanated intrinsic pathways in human cervical cancer cells.

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Amentoflavone, a biflavonoid from Selaginella tamariscina, is known to possess several bioactivities such as antitumor, anti-inflammatory, and antifungal effects. However, the mechanism of the anticancer effects of amentoflavone on human cervical cancer cells has not been studied in detail. In this

PTP1B and α-glucosidase inhibitors from Selaginella rolandi-principis and their glucose uptake stimulation

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As part of an ongoing search for new protein tyrosine phosphatase 1B inhibitors and glucose uptake stimulators from nature, a new coumarin, selaginolide A (1) and four known isoflavones (2‒5) were isolated from the ethanol extract of a Vietnamese medicinal plant Selaginella rolandi-principis. The

Amentoflavone enhances osteogenesis of human mesenchymal stem cells through JNK and p38 MAPK pathways.

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Amentoflavone is a bioflavonoid found in a variety of traditional Chinese medicines such as Gingko and Selaginella tamariscina. It has been reported that amentoflavone has anti-inflammatory, antioxidant, antiviral and anticancer effects. However, the effect of amentoflavone on osteogenic

Gene families and evolution of trehalose metabolism in plants

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The genomes of Arabidopsis thaliana L., rice (Oryza sativa L.) and poplar (Populus trichocarpa Torr. & A.Gray) contain large families of genes encoding trehalose-phosphate synthase (TPS) and trehalose-phosphatase (TPP). The class I subfamily of TPS genes encodes catalytically active TPS enzymes,

[Effect of estrogen-like effective part of Selaginella tarmariscina on bone metabolism in ovariectomized rats].

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OBJECTIVE To study the effect of estrogen-like effective part of Selaginella tarmariscina on bone metabolism in ovariectomized rats. METHODS Wistar female rats were carried out the castration to remove both ovaries (except the sham group), in order to establish the rat model of postmenopausal

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