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anthracene/turse
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Leht 1 alates 70 tulemused
Sunscreens protect from UV-promoted squamous cell carcinoma in mice chronically irradiated with doses of UV radiation insufficient to cause edema.
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Previously we reported that the broad-spectrum sunscreen microfine titanium dioxide (MTD) could completely protect C3H/HeJ mice from UV radiation-induced immunosuppression to a contact sensitizer. In contrast, 2-ethylhexyl p-methoxycinnamate (2-EHMC), a UVB-absorbing sunscreen, only partially
Inhibition by lipoxygenase inhibitors of 7-bromomethylbenz[a]anthracene-caused epidermal ornithine decarboxylase induction and skin tumor promotion in mice.
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7-Bromomethylbenz[a]anthracene (BrMBA) has been shown to have a tumor-promoting action in mouse skin without an initial direct interaction with protein kinase C, which is believed to be a receptor for phorbol ester tumor promoters such as 12-O-tetradecanoylphorbol-13-acetate (TPA). An application of
7,12-dimethylbenz[a]anthracene induces oxidative DNA modification in vivo.
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Initiation and promotion are major stages in the multistage carcinogenesis process. Formation of initiating carcinogen-DNA base adducts leads to heritable genetic changes, but the tumor-promoting events induced by complete carcinogens have not, as yet, been elucidated. Oxidant production and
IL-12 deficiency suppresses 12-O-tetradecanoylphorbol-13-acetate-induced skin tumor development in 7,12-dimethylbenz(a)anthracene-initiated mouse skin through inhibition of inflammation.
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Interleukin (IL)-12 deficiency exacerbates tumorigenesis in ultraviolet (UV) radiation-induced skin. Here, we assessed the effects of IL-12 deficiency on 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced tumor promotion in 7,12-dimethylbenz(a)anthracene (DMBA)-initiated mouse skin. Using this
Induction of contact hypersensitivity to dimethylbenz(a)anthracene and benzo(a)pyrene in C3H/HeN mice.
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The potential for allergic contact sensitization to two polyaromatic hydrocarbons, 7,12-dimethylbenz(a)anthracene and benzo(a)pyrene, was investigated in C3H/HeN mice. For each agent, contact hypersensitivity was achieved by applying a 100-micrograms dose to the shaved abdomen. An ear swelling
Effects of depot injections of retinyl palmitate on 7,12-dimethylbenz[a]anthracene-induced preneoplastic changes in rat skin.
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The preneoplastic skin changes usually induced by topical application of 7,12-dimethylbenz[a]anthracene (DMBA) to adult rat skin did not appear when animals were treated locally with depot im injections of high doses of retinyl palmitate (RP) prior to exposure to the carcinogen. The epidermal
Interleukin-1alpha up-regulation in vivo by a potent carcinogen 7,12-dimethylbenz(a)anthracene (DMBA) and control of DMBA-induced inflammatory responses.
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Tumor-initiating properties of complete carcinogens such as 7,12-dimethylbenz(a)anthracene (DMBA) are well known but not the mechanism of DMBA-mediated tumor promotion. Our hypothesis is that interleukin (IL)-1alpha, an early proinflammatory cytokine that initiates a cascade of other cytokines and
Inhibitory effects of licochalcone A isolated from Glycyrrhiza inflata root on inflammatory ear edema and tumour promotion in mice.
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Licochalcone A, 3-a,a-dimethylallyl-4,4'-dihydroxy-6-methoxychalcone, from the root of Glycyrrhiza inflata Beta (Leguminosae) (Xin-jiang liquorice) showed anti-inflammatory action towards mouse ear edema induced by arachidonic acid (AA) and 12-O-tetradecanoylphorbol 13-acetate (TPA) by topical
Inhibition of Dimethylbenz(a)anthracene (DMBA) - Croton Oil-Induced Mouse Skin Tumorigenesis by Gmelina arborea with Potential Anti-Inflammatory Activity.
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In traditional Indian medicine, the plant Gmelina arborea Linn. (GA) is described to have the ability to relieve edema. The present study evaluates the anticancer property of GA stem bark against 7,12-dimethylbenz(a) anthracene (DMBA)-croton oil-induced skin tumorigenesis along with the evaluation
Dietary grape seed proanthocyanidins inhibit 12-O-tetradecanoyl phorbol-13-acetate-caused skin tumor promotion in 7,12-dimethylbenz[a]anthracene-initiated mouse skin, which is associated with the inhibition of inflammatory responses.
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Grape seed proanthocyanidins (GSPs) possess anticarcinogenic activities. Here, we assessed the effects of dietary GSPs on 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced skin tumor promotion in 7,12-dimethylbenz[a]anthracene (DMBA)-initiated mouse skin. Administration of dietary GSPs (0.2 and
Phellinus rimosus (Berk.) pilat attenuates 7,12-dimethylbenz[a] anthracene induced and croton oil promoted skin papilloma formation in mice.
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The roles of 7,12-dimethylbenz[a]anthracene (DMBA), a polycyclic aromatic hydrocarbon (PAH), and 12-O-tetradecanoylphorbol-13-acetate (TPA) a skin tumor promoter present in croton oil, are clearly implicated in the formation of skin papilloma. The effect of ethyl acetate extract of Phellinus
Inhibition of 12-O-tetradecanoylphorbol-13-acetate-caused tumor promotion in 7,12-dimethylbenz[a]anthracene-initiated SENCAR mouse skin by a polyphenolic fraction isolated from green tea.
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Our laboratory has been studying cancer chemopreventive effects of polyphenolic fraction isolated from green tea (GTP). In prior studies we have shown that (a) GTP possesses antigenotoxic effects in various test systems; (b) topical application of GTP protects against UV radiation and chemical
Dermatological effects of chronic exposure to 7,12-dimethylbenz[A]anthracene (DMBA) or N-methyl-N-nitrosoguanidine (MNNG) in swine.
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OBJECTIVE
To determine whether chronic exposure to DMBA or MNNG in combination with or without UVB exposure would induce skin carcinomas in swine.
METHODS
Eight gilts were exposed to 100 mJ of UVB in their left side, allowed to recuperate, and divided into two groups. Each gilt received identical
Protective and therapeutic efficacies of protein A on 7,12-dimethylbenz(alpha)anthracene-induced rat mammary adenocarcinoma.
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Protein A of Staphylococcus aureus Cowan I is a powerful immunostimulating agent. Female Swiss Portan rats fed 7,12-dimethylbenz(alpha)anthrancene (DMBA) exhibited increased serum alkaline phosphatase activity, which returned to normal levels following eight weeks of treatment with 12 micrograms
Humulon, a bitter in the hop, inhibits tumor promotion by 12-O-tetradecanoylphorbol-13-acetate in two-stage carcinogenesis in mouse skin.
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Humulon, one of the bitters in the hop, was isolated from the female flowers of Humulus lupulus. This component has inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced inflammation. At 1 mg/mouse, humulon inhibited markedly the tumor-promoting effect of TPA (1
Kõige täiuslikum ravimtaimede andmebaas, mida toetab teadus
- Töötab 55 keeles
- Taimsed ravimid, mida toetab teadus
- Maitsetaimede äratundmine pildi järgi
- Interaktiivne GPS-kaart - märgistage ürdid asukohas (varsti)
- Lugege oma otsinguga seotud teaduspublikatsioone
- Otsige ravimtaimi nende mõju järgi
- Korraldage oma huvisid ja hoidke end kursis uudisteuuringute, kliiniliste uuringute ja patentidega
Sisestage sümptom või haigus ja lugege ravimtaimede kohta, mis võivad aidata, tippige ürdi ja vaadake haigusi ja sümptomeid, mille vastu seda kasutatakse.
* Kogu teave põhineb avaldatud teaduslikel uuringutel
