Yellow crystalline powder
ResedaodorataL./Occurs in many plants in Leguminosae, Resedaceae, Euphorbiaceae, Umbelliferae, Scrophulariaceae, Fabaceae, Asteraceae, Cistaceae, Passifloraceae, Yerbenaceae and Hepaticae. First isol. in 1832 from Reseda luteola
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-/Flavopurpol/5,7,3',4'-tetrahydroxyflavon/3' 4' 5 7-tetrahydroxyflavone/LUTEOLOL/3',4',5,7-tetrahydroxy-flavone/FLACITRAN/Cyanidenon 1470/2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one/Digitoflavone/2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-benzopyrone/5,7,3',4'-tetrahydroxyflavone/Daphneflavonol/weldlake/cyanidenon/Luteolin/3',4',5,7-Tetrahydroxyflavone/Salifazide
Luteolin is a falconoid compound, which exhibits anticancer properties.IC50 value:Target: A natural for anticancer.In vitro: Luteolin exerted an anticancer effect against NCI-H460 cells through Sirt1-mediated apoptosis and the inhibition of cell migration . The treatment of luteolin upregulated the expression levels of transforming growth factor β1 (TGF-β1), p21WAF1/CIP1, p27KIP1, Smad4, and Fas in HCC cells. Luteolin induced apoptotic cell death in Hep3B cells while caused G1 arrest in HepG2 cells. And it induces apoptosis from G1 arrest via three signaling pathways of TGF-β1, p53, and Fas/Fas-ligand in HCC cells .In vivo: The study of the effect of Luteolin on the improvement of cancerous cachexia in model mice showed that luteolin can improve the symptoms of cancer cachexia model mice.The mechanism may be related to inhibition of proteasome and calcium activated protease activity and lower the levels of cytokines .
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Luteolin (3′, 4′, 5,7-tetrahydroxyflavone) has been identified as commonly present in plants. Plants with a high luteolin content have been used ethnopharmacologically to treat inflammation-related symptoms. Both isolated luteolin and extracts from luteolin-rich plants have been studied using various models and exhibited anti-inflammatory activity.
AIM OF THE REVIEW:
This paper uses recent research findings with a broad range of study models to describe the anti-inflammatory activity of luteolin, particularly its mechanisms at the molecular level; provide guidance for future research; and evaluate the feasibility of developing luteolin into an anti-inflammatory drug.
MATERIALS AND METHODS:
We summarize reports about the anti-inflammatory activity of luteolin published since 2009, which we found in MEDLINE/PubMed, Scopus, Web of Knowledge, and Google Scholar. To acquire broad information, we extended our search to online FDA documents.
Luteolin is a flavonoid commonly found in medicinal plants and has strong anti-inflammatory activity in vitro and in vivo. Some of its derivatives, such as luteolin-7-O-glucoside, have also shown anti-inflammatory activity. The action mechanism of luteolin varies, but Src in the nuclear factor (NF)-κB pathway, MAPK in the activator protein (AP)- 1 pathway, and SOCS3 in the signal transducer and activator of transcription 3 (STAT3) pathway are its major target transcription factors. A clinical trial with a formulation containing luteolin showed excellent therapeutic effect against inflammation-associated diseases.
In silico, in vitro, in vivo, and clinical studies strongly suggest that the major pharmacological mechanism of luteolin is its anti-inflammatory activity, which derives from its regulation of transcription factors such as STAT3, NF-κB, and AP-1. Much work remains to ensure the safety, quality, and efficacy of luteolin before it can be used to treat inflammation-related diseases in humans.
Copyright © 2018 Elsevier B.V. All rights reserved.
Flavonoid; Inflammatory diseases; Inflammatory signaling; Luteolin; Luteolin (PubChem CID: 5280445); Luteolin-5-O-glucoside (PubChem CID: 44258061); Luteolin-6-C-glucoside (PubChem CID: 49852298); Luteolin-7-O-glucoside (PubChem CID: 5280637); Luteolin-8-C-glucoside (PubChem CID: 5281675)
Anti-inflammatory effects of luteolin: A review of in vitro, in vivo, and in silico studies.
Aziz N1, Kim MY2, Cho JY3.
2018 Oct 28
According to the World Health Organization, two billion people will be aged 60 years or older by 2050. Aging is a major risk factor for a number of neurodegenerative disorders. These age-related disorders currently represent one of the most important and challenging health problems worldwide. Therefore, much attention has been directed towards the design and development of neuroprotective agents derived from natural sources. These phytochemicals have demonstrated high efficacy and low adverse effects in multiple in vitro and in vivo studies. Among these phytochemicals, dietary flavonoids are an important and common chemical class of bioactive products, found in several fruits and vegetables. Luteolin is an important flavone, which is found in several plant products, including broccoli, pepper, thyme, and celery. Numerous studies have shown that luteolin possesses beneficial neuroprotective effects both in vitro and in vivo. Despite this, an overview of the neuroprotective effects of luteolin has not yet been accomplished. Therefore, the aim of this paper is to provide a review of the available literature regarding the neuroprotective effects of luteolin and its molecular mechanisms of action. Herein, we also review the available literature regarding the chemistry of luteolin, its herbal sources, and bioavailability as a pharmacological agent for the treatment and management of age-related neurodegenerative disorders.
Copyright © 2015 Elsevier Inc. All rights reserved.
Alzheimer’s disease; Flavonoid; Luteolin; Neurotoxicity; Oxidative stress
Luteolin as an anti-inflammatory and neuroprotective agent: A brief review.
Nabavi SF1, Braidy N2, Gortzi O3, Sobarzo-Sanchez E4, Daglia M5, Skalicka-Woźniak K6, Nabavi SM7.
Luteolin, 3′,4′,5,7-tetrahydroxyflavone, is a common flavonoid that exists in many types of plants including fruits, vegetables, and medicinal herbs. Plants rich in luteolin have been used in Chinese traditional medicine for treating various diseases such as hypertension, inflammatory disorders, and cancer. Having multiple biological effects such as anti-inflammation, anti-allergy and anticancer, luteolin functions as either an antioxidant or a pro-oxidant biochemically. The biological effects of luteolin could be functionally related to each other. For instance, the anti-inflammatory activity may be linked to its anticancer property. Luteolin’s anticancer property is associated with the induction of apoptosis, and inhibition of cell proliferation, metastasis and angiogenesis. Furthermore, luteolin sensitizes cancer cells to therapeutic-induced cytotoxicity through suppressing cell survival pathways such as phosphatidylinositol 3′-kinase (PI3K)/Akt, nuclear factor kappa B (NF-kappaB), and X-linked inhibitor of apoptosis protein (XIAP), and stimulating apoptosis pathways including those that induce the tumor suppressor p53. These observations suggest that luteolin could be an anticancer agent for various cancers. Furthermore, recent epidemiological studies have attributed a cancer prevention property to luteolin. In this review, we summarize the progress of recent research on luteolin, with a particular focus on its anticancer role and molecular mechanisms underlying this property of luteolin.
Luteolin, a flavonoid with potential for cancer prevention and therapy.
Lin Y1, Shi R, Wang X, Shen HM.