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Penduletin
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Product Name Penduletin
Price:
CAS No.: 569-80-2
Catalog No.: CFN98957
Molecular Formula: C18H16O7
Molecular Weight: 344.3 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Yellow powder
Source: The leaves of Laggera pterodonta
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Penduletin has anti-inflammatory,anti-tumor cells, and anti-bacterical activities,it inhibits growth of the Gram-negative pathogen neisseria gonorrhoeae. Penduletin has strong activity in vitro against EV71 with low cytotoxicity.
Targets: VEGFR | TGF-β/Smad | PGE | COX | Antifection
In vitro:
Eur J Pharm Sci. 2011 Oct 9;44(3):392-8.
Inhibition of enterovirus 71 replication by chrysosplenetin and penduletin.[Pubmed: 21914477]
In recent years, enterovirus 71 (EV71) infections have caused an increasing epidemic in young children, accompanying with more severe nervous system disease and more deaths. Unfortunately, there is no specific medication for it so far.
METHODS AND RESULTS:
Here we investigated the anti-EV71 activity of chrysosplenetin and Penduletin, two o-methylated flavonols isolated from the leaves of Laggera pterodonta. These two compounds were found to have strong activity in vitro against EV71 with low cytotoxicity. In the cytopathic effect (CPE) inhibition assays, both plaque reduction assay and virus yield inhibition assay, the compounds showed a similar 50% inhibitory concentration (IC(50)) value of about 0.20 μM. The selectivity indices (SI) of chrysosplenetin and Penduletin were 107.5 and 655.6 in African green monkey kidney (Vero) cells, and 69.5 and 200.5 in human rhabdomyosarcoma (RD) cells, accordingly. The preliminary mechanism analysis indicates that they function not through blocking virus entry or inactivating virus directly but inhibiting viral RNA replication. In the time-of-addition assay, both compounds inhibited progeny virus production and RNA replication by nearly 100% when introduced within 4h post infection. In addition to EV71, both compounds inhibited several other human enteroviruses with similar efficacy.
CONCLUSIONS:
These findings provide a significant lead for the discovery of anti-EV71 drug.
Oncol Res. 2005;15(2):59-68.
Antineoplastic agents 540. The Indian Gynandropsis gynandra (Capparidaceae).[Pubmed: 16119003 ]
The CH3OH-CH2Cl2 extract of an Indian collection (entire plant) of Gynandropsis gynandra (L.) Briq. was separated based on bioassay results employing cancer cell lines.
METHODS AND RESULTS:
Six cancer cell growth inhibitors were isolated and found to be known flavone apegenin (4) and flavonols 1-3, 5, and 6. The structure of flavonol 2 was confirmed by X-ray crystal structure determination. All of the five flavonols (1-3, 5, 6) inhibited the murine P388 lymphocytic leukemia cell line with ED50 values of 3.0, 9.2, 4.0, 0.37, and 3.9 microg/ml, respectively.
CONCLUSIONS:
All six of the flavonoids (1-6) also exhibited activity against a panel of six human cancer cell lines. Penduletin (3) inhibited growth of the Gram-negative pathogen Neisseria gonorrhoeae and apegenin (4) inhibited growth of the Gram-positive opportunist Enterococcus faecalis.
Planta Med. 2006 Jan;72(1):72-4.
Flavonoids from Artemisia copa with anti-inflammatory activity.[Pubmed: 16450301 ]
Bioactivity-guided fractionation of the dichloromethane and ethanol extracts from the aerial parts of Artemisia copa led to the isolation of the flavonoids spinacetin, jaceosidin, axillarin, Penduletin, tricin and chrysoeriol.
METHODS AND RESULTS:
These compounds were studied for possible inhibitory activity on the generation of inflammatory mediators in a cell line of mouse macrophages (RAW 264.7) stimulated with lipopolysaccharide. Spinacetin and jaceosidin weakly inhibited nitric oxide production whereas all flavonoids reduced prostaglandin E2 levels to different extents. The most active flavonoid was jaceosidin that inhibited cyclooxygenase-2 activity in a concentration-dependent manner with an IC50 value of 2.8 microM. In addition, the other flavonoids partially inhibited synovial phospholipase A2 activity.
CONCLUSIONS:
These mechanisms may provide a basis for explaining the anti-inflammatory activity of this plant.
Penduletin Description
Source: The leaves of Laggera pterodonta
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
doi: 10.1038/nplants.2016.205.
IF=13.297(2019)

PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.9044 mL 14.5222 mL 29.0444 mL 58.0889 mL 72.6111 mL
5 mM 0.5809 mL 2.9044 mL 5.8089 mL 11.6178 mL 14.5222 mL
10 mM 0.2904 mL 1.4522 mL 2.9044 mL 5.8089 mL 7.2611 mL
50 mM 0.0581 mL 0.2904 mL 0.5809 mL 1.1618 mL 1.4522 mL
100 mM 0.029 mL 0.1452 mL 0.2904 mL 0.5809 mL 0.7261 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Cell Research:
Phytother Res. 2011 Jun;25(6):916-21.
Flavonoids inhibit angiogenic cytokine production by human glioma cells.[Pubmed: 21170924]
VEGF and TGF-β1 are cytokines that stimulate tissue invasion and angiogenesis. These factors are considered as molecular targets for the therapy of glioblastoma. Bevacizumab, a recombinant humanized monoclonal antibody developed against VEGF, inhibits endothelial cell proliferation and vessel formation.
METHODS AND RESULTS:
Flavonoids obtained from Dimorphandra mollis and Croton betulaster have been described as proliferation inhibitors of a human glioblastoma derived cell line. VEGF and TGF-β1 levels were dosed by ELISA in a GL-15 cell line treated with bevacizumab and also with the flavonoids rutin, 5-hydroxy-7,4'-dimethoxyflavone, casticin, apigenin and Penduletin. Rutin reduced the VEGF and TGF-β1 levels after 24 h but not after 72 h. The other flavonoids significantly reduced TGF-β1 production. Bevacizumab reduced only the VEGF levels in the supernatant from GL-15 cultures.
CONCLUSIONS:
These results suggest that the flavonoids studied, and commonly used in popular medicine, present an interesting subject of study due to their potential effect as angiogenic factor inhibitors.
Structure Identification:
Phytother Res. 2009 Sep;23(9):1336-9.
Antiinflammatory and lipoxygenase inhibitory compounds from Vitex agnus-castus.[Pubmed: 19173281]

METHODS AND RESULTS:
Several secondary metabolites, artemetin (1), casticin (2), 3,3'-dihydroxy-5,6,7,4'-tetramethoxy flavon (3), Penduletin (4), methyl 4-hydroxybenzoate (5), p-hydroxybenzoic acid (6), methyl 3,4-dihydroxybenzoate (7), 5-hydroxy-2-methoxybenzoic acid (8), vanillic acid (9) and 3,4-dihydroxybenzoic acid (10) were isolated from a folkloric medicinal plant, Vitex agnus-castus. The structures of compounds 1-10 were identified with the help of spectroscopic techniques. Compounds 3-10 were isolated for the first time from this plant. These compounds were screened for their antiinflammatory and lipoxygenase inhibitory activities.
CONCLUSIONS:
Compounds 6, 7 and 10 were found to have significant antiinflammatory activity in a cell-based contemporary assay, whereas compounds 1 and 2 exhibited a potent lipoxygenase inhibition.
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