Chrysin

Chrysin
Product Name Chrysin
CAS No.: 480-40-0
Catalog No.: CFN98741
Molecular Formula: C15H10O4
Molecular Weight: 254.2 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Yellow powder
Targets: NOS | COX | TNF-α | PGE | IL Receptor | PI3K | Akt | Caspase | NF-kB | TGF-β/Smad
Source: The barks of Oroxylum indicum.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: $40/20mg
Chrysin, a naturally-occurring ligand for benzodiazepine receptors, with anticonvulsant , anti-inflammation, anti-cancer, hepatoprotective, and anti-oxidation properties. Chrysin induced apoptosis is mediated through caspase activation and Akt inactivation in U937 leukemia cells; it prevented the development of DN in HFD/STZ-induced type 2 diabetic rats through anti-inflammatory effects in the kidney by specifically targeting the TNF-α pathway.
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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.

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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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    J Cell Physiol . 2018 Apr;233(4):3129-3140.
    Chrysin attenuates progression of ovarian cancer cells by regulating signaling cascades and mitochondrial dysfunction[Pubmed: 28816359]
    Abstract Chrysin is mainly found in passion flowers, honey, and propolis acts as a potential therapeutic and preventive agent to inhibit proliferation and invasion of various human cancer cells. Although Chrysin has anti-carcinogenic effects in several cancers, little is known about its functional roles in ovarian cancer which shows poor prognosis and chemoresistance to traditional therapeutic agents. In the present study, we investigated functional roles of Chrysin in progression of ovarian cancer cells using ES2 and OV90 (clear cell and serous carcinoma, respectively) cell lines. Results of the current study demonstrated that Chrysin inhibited ovarian cancer cell proliferation and induced cell death by increasing reactive oxygen species (ROS) production and cytoplasmic Ca2+ levels as well as inducing loss of mitochondrial membrane potential (MMP). Moreover, Chrysin activated mitogen-activated protein kinase (MAPK) and phosphoinositide 3-kinase (PI3K)/AKT pathways in ES2 and OV90 cells in concentration-response experiments. Collectively, our results led us to propose that Chrysin-induced apoptotic events are mediated by the activation of PI3K and MAPK pathways in human ovarian cancer cells. Keywords: Chrysin; apoptosis; mitochondrial dysfunction; ovarian cancer; signaling pathways.
    Toxicol Lett. 2013 Feb 4;216(2-3):146-58.
    Chrysin suppresses renal carcinogenesis via amelioration of hyperproliferation, oxidative stress and inflammation: plausible role of NF-κB.[Pubmed: 23194824]
    Flavonoid family is a rich source of polyphenolic compounds and hence possess strong antioxidant and anti inflammatory properties. The aim of this study was to determine the efficacy of Chrysin; a bio-active flavonoid as an anticancer agent.
    METHODS AND RESULTS:
    Renal cancer was initiated by single intraperitoneal (i.p.) injection of N-nitrosodiethylamine (DEN 200 mg/kg BW body weight) and promoted by twice weekly administration of ferric nitrilotriacetate (Fe-NTA) 9 mg Fe/kg BW for 16 wk. In the present study, we report the chemopreventive effects of Chrysin against (Fe-NTA) induced renal oxidative stress, inflammation, hyperproliferative response, and two-stage renal carcinogenesis. To ascertain the molecular mechanism implicated in the antitumor promoting activity of Chrysin, its effect was investigated on markers of tumor promotion and inflammation: ornithine decarboxylase (ODC) activity, proliferating cell nuclear antigen (PCNA), inducible nitric oxide synthase (iNOS) and cyclo-oxygenase-2 (COX-2) expression, and on levels of proinflammatory cytokines interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and prostaglandin E(2) (PGE(2)). Pretreatment of animals with Chrysin at both doses (20 and 40 mg/kg body weight) markedly inhibited all. Further, Fe-NTA enhances renal lipid peroxidation, with concomitant reduction in reduced glutathione content (GSH), antioxidant enzymes, and phase II metabolizing enzymes. It induces serum toxicity markers, viz., blood urea nitrogen (BUN), creatinine and lactate dehydrogenase (LDH). Prophylactic treatment of animals with Chrysin before the administration of Fe-NTA was effective in modulating oxidative and renal injury markers and resulted in the diminution of Fe-NTA mediated injury.
    CONCLUSIONS:
    These results suggest Chrysin as an effective chemopreventive agent having the capability to obstruct DEN initiated and Fe-NTA promoted renal cancer in the rat model.
    Int J Oncol. 2015 Apr;46(4):1835-43.
    Chrysin inhibits cell invasion by inhibition of Recepteur d'origine Nantais via suppressing early growth response-1 and NF-κB transcription factor activities in gastric cancer cells.[Pubmed: 25625479]
    Cell invasion is one of crucial reasons for cancer metastasis and malignancy. Recepteur d'origine Nantais (RON) has been reported to play an important role in the cancer cell invasion process. High accumulation and activation of RON has been implicated in gastric adenocarcinoma AGS cells. Chrysin is a naturally occurring phytochemical, a type of flavonoid, which has been reported to suppress tumor metastasis. However, the effects of Chrysin on RON expression in gastric cancer are not well studied.
    METHODS AND RESULTS:
    In the present study, we examined whether Chrysin affects RON expression in gastric cancer, and if so, its underlying mechanism. We examined the effect of Chrysin on RON expression and activity, via RT-PCR, promoter study, and western blotting in human gastric cancer AGS cells. Chrysin significantly inhibited endogenous and inducible RON expression in a dose-dependent manner. After demonstrating that Egr-1 and NF-κB are the critically required transcription factors for RON expression, we discovered that Chrysin suppressed Egr-1 and NF-κB transcription factor activities. Additionally, the phorbol-12-myristate-13-acetate- (PMA) induced cell invasion was partially abrogated by Chrysin and an RON antibody.
    CONCLUSIONS:
    Our results suggest that Chrysin has anticancer effects at least by suppressing RON expression through blocking Egr-1 and NF-κB in gastric cancer AGS cells.
    Pharmacol Biochem Behav. 1994 Jan;47(1):1-4.
    Possible anxiolytic effects of chrysin, a central benzodiazepine receptor ligand isolated from Passiflora coerulea.[Pubmed: 7906886]
    The pharmacological effects of 5,7-dihydroxyflavone (Chrysin), a naturally occurring monoflavonoid that displaces [3H]flunitrazepam binding to the central benzodiazepine (BDZ) receptors, were examined in mice.
    METHODS AND RESULTS:
    In the elevated plus-maze test of anxiety, diazepam (DZ, 0.3-0.6 mg/kg) or Chrysin (1 mg/kg) induced increases in the number of entries into the open arms and in the time spent on the open arms, consistent with an anxiolytic action of both compounds. The effects of Chrysin on the elevated plus-maze was abolished by pretreatment with the specific BDZ receptor antagonist Ro 15-1788 (3 mg/kg). In the holeboard, diazepam (1 mg/kg) and Chrysin (3 mg/kg) increased the time spent head-dipping. In contrast, high doses of DZ (6 mg/kg) but not of Chrysin produced a decrease in the number of head dips and in the time spent head-dipping. In the horizontal wire test, diazepam (6 mg/kg) had a myorelaxant action. In contrast, Chrysin (0.6-30 mg/kg) produced no effects in this test.
    CONCLUSIONS:
    These data suggest that Chrysin possesses anxiolytic actions without inducing sedation and muscle relaxation. We postulate that this natural monoflavonoid is a partial agonist of the central BDZ receptors.
    Biochem Biophys Res Commun. 2004 Dec 24;325(4):1215-22.
    Chrysin-induced apoptosis is mediated through caspase activation and Akt inactivation in U937 leukemia cells.[Pubmed: 15555556 ]
    Chrysin is a natural, biologically active compound extracted from many plants, honey, and propolis. It possesses potent anti-inflammation, anti-cancer, and anti-oxidation properties. The mechanism by Chrysin is a natural, biologically active compound extracted from many plants, honey, and propolis. It possesses potent anti-inflammation, anti-cancer, and anti-oxidation properties. The mechanism by which Chrysin initiates apoptosis remains poorly understood.
    METHODS AND RESULTS:
    In the present report, we investigated the effect of Chrysin on the apoptotic pathway in U937 human promonocytic cells. We show that Chrysin induces apoptosis in association with the activation of caspase 3 and that Akt signal pathway plays a crucial role in Chrysin-induced apoptosis in U937 cells. Furthermore, we have shown that inhibition of Akt phosphorylation in U937 cells by the specific PI3K inhibitor, LY294002 significantly, enhanced apoptosis. Overexpression of a constitutively active Akt (myr-Akt) in U937 cells inhibited the induction of apoptosis, activation of caspase 3, and PLC-gamma1 cleavage by Chrysin.
    CONCLUSIONS:
    Together, these findings suggest that the Akt pathway plays a major role in regulating the apoptotic response of human leukemia cells to Chrysin and raise the possibility that combined interruption of Chrysin and PI3K/Akt-related pathways may represent a novel therapeutic strategy in hematological malignancies.
    Eur J Pharmacol. 2010 Apr 10;631(1-3):36-41.
    Effect of chrysin on hepatoprotective and antioxidant status in D-galactosamine-induced hepatitis in rats.[Pubmed: 20056116 ]
    Chrysin is a natural, biologically active compound present in many plants and possesses potent anti-inflammatory, anticancer and antioxidation properties. This work was designed to investigate the effect of Chrysin, on the hepatoprotective efficacy in d-galactosamine-intoxication rats.
    METHODS AND RESULTS:
    D-galactosamine-induced toxicity was manifested by the elevation of serum hepatic marker enzyme activities (aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase and gamma-glutamyl transpeptidase) and the lipid peroxidation process and by decreasing the antioxidant capacity of the plasma, erythrocyte and tissues. Treatment with Chrysin (25, 50 and 100mg/kg body weight) decreased hepatic marker enzyme activities and lipid peroxidation products such as thiobarbituric acid reactive substances, lipid hydroperoxides and conjugated dienes, increased the activities of free-radical scavenging enzymes superoxide dismutase, catalase and glutathione peroxidase and the levels of non-enzymatic antioxidants reduced glutathione, vitamin C and vitamin E.
    CONCLUSIONS:
    These findings demonstrate that Chrysin acts as a hepatoprotective and antioxidant agent against d-galactosamine-induced hepatotoxicity.
    Toxicol Appl Pharmacol. 2014 Aug 15;279(1):1-7.
    Chrysin, an anti-inflammatory molecule, abrogates renal dysfunction in type 2 diabetic rats.[Pubmed: 24848621]
    Diabetic nepropathy (DN) is considered as the leading cause of end-stage renal disease (ESRD) worldwide, but the current available treatments are limited. Recent experimental evidences support the role of chronic microinflammation in the development of DN. Therefore, the tumor necrosis factor-alpha (TNF-α) pathway has emerged as a new therapeutic target for the treatment of DN.
    METHODS AND RESULTS:
    We investigated the nephroprotective effects of Chrysin (5, 7-dihydroxyflavone) in a high fat diet/streptozotocin (HFD/STZ)-induced type 2 diabetic Wistar albino rat model. Chrysin is a potent anti-inflammatory compound that is abundantly found in plant extracts, honey and bee propolis. The treatment with Chrysin for 16weeks post induction of diabetes significantly abrogated renal dysfunction and oxidative stress. Chrysin treatment considerably reduced renal TNF-α expression and inhibited the nuclear transcription factor-kappa B (NF-кB) activation. Furthermore, Chrysin treatment improved renal pathology and suppressed transforming growth factor-beta (TGF-β), fibronectin and collagen-IV protein expressions in renal tissues. Chrysin also significantly reduced the serum levels of pro-inflammatory cytokines, interleukin-1beta (IL-1β) and IL-6. Moreover, there were no appreciable differences in fasting blood glucose and serum insulin levels between the Chrysin treated groups compared to the HFD/STZ-treated group.
    CONCLUSIONS:
    Hence, our results suggest that Chrysin prevents the development of DN in HFD/STZ-induced type 2 diabetic rats through anti-inflammatory effects in the kidney by specifically targeting the TNF-α pathway.
    Biochem Pharmacol. 1990 Nov 15;40(10):2227-31.
    Chrysin (5,7-di-OH-flavone), a naturally-occurring ligand for benzodiazepine receptors, with anticonvulsant properties.[Pubmed: 2173925]
    Chrysin (5,7-di-OH-flavone) was identified in Passiflora coerulea L., a plant used as a sedative in folkloric medicine.
    METHODS AND RESULTS:
    Chrysin was found to be a ligand for the benzodiazepine receptors, both central (Ki = 3 microM, competitive mechanism) and peripheral (Ki = 13 microM, mixed-type mechanism). Administered to mice by the intracerebroventricular route, Chrysin was able to prevent the expression of tonic-clonic seizures induced by pentylenetertrazol. Ro 15-1788, a central benzodiazepine receptor antagonist, abolished this effect.
    CONCLUSIONS:
    In addition, all of the treated mice lose the normal righting reflex which suggests a myorelaxant action of the flavonoid. The presence in P. coerulea of benzodiazepine-like compounds was also confirmed.
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