tyrosinase

Analysis of the Single-strand Conformation Polymorphisms of the Upstream 5~ ′ regulating Region of Chicken Tyrosinase ( TYR) Gene

鸡的酪氨酸酶基因5~′调控区的单链构象多态性分析

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Objective To study inhibitory effect of Fu-Ke-Zai-Zao Pill on Tyrosinase activity in vitro.

目的研究妇科再造丸对体外酪氨酸酶活性的影响.

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An experimental study on Rehmanniae pill of six ingredients and each ingredient on tyrosinase activity

六味地黄丸及其组方中药对酪氨酸酶活性影响的实验研究

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Objective To investigate the effect of regulation of qi and the blood drugs ( RD) and compound prescription ( RP) on melanocytes ( MC) and tyrosinase activity ( TC) in vitro, and discuss its therapeutic mechanism for pigmented diseases.

目的：观察调和气血复方及单味中药对体外培养黑素细胞（MC）和酪氨酸酶（TYR）活性的影响，阐明调和气血法治疗色素性皮肤病的机制。

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In the case of the two anti-tyrosinase antibodies, patients with active vitiligo had significantly higher titers than those with stable vitiligo ( P < 0.001);

白癜风患者血清中抗酪氨酸酶IgM抗体平均滴度为0.238，显著高于正常人对照组0.065（P＜0.001）。

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Besides , the depth of blackness also has a direct connection with the tyrosinase activity.

黑色色泽深浅与酪氨酸酶活力大小有直接的关系.

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Study on Inhibitory Activity of Phlorizin against Tyrosinase

根皮素抑酪氨酸酶活性研究

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Studies on the Extraction of Tyrosinase Inhibitor from Red-purple Pitaya Flower

仙蜜果花中酪氨酸酶抑制剂提取的探讨

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Monitoring Gene Expression of Tyrosinase Using Magnetic Resonance Imaging

酪氨酸酶基因表达的磁共振成像（MRI）研究

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Study on production of melanin by tyrosinase gene engineering bacteria

酪氨酸酶基因工程菌产黑色素的发酵条件研究

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Inhibition of reduced glutathione and antiscorbutic acid on tyrosinase activity

还原性谷胱甘肽、抗坏血酸对酪氨酸酶的抑制作用

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Methods: Tyrosinase activity in vitro was measured by the rate of oxidation of L-Dopa.

方法 酪氨酸 酶多巴速率氧化法测定妇科再造丸对体外 酪氨酸 酶活性的抑制率.

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Ethanol extracts of schisandra, wild ageratum pollen had the stronger inhibitory activity of tyrosinase to oxidize diphenol.

五味子和野藿香花粉醇提物对酪氨酸酶二酚氧化活性有较好的抑制作用。

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METHODS: Tyrosinase activity was estimated by measuring the oxidation rate of L DOPA.

方法: 酪氨酸酶多巴速率氧化法体外测定药物干预前后酪氨酸酶活性,求出酪氨酸酶抑制率.

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As a general approach of depigmentation, typical tyrosinase inhibitors and their against melanin synthesis were introduced.

作为防止色素沉着, 介绍了典型的酪氨酸酶抑止剂和它们的抗黑色素合成的效能.

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Combined with the human tyrosinase gene sequence, the gene tree was constructed using parsimony method.

结合已发表人的序列, 用简约法构建了基因树.

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Biochemical characteristics of tyrosinase in Musca domestica were studied.

本文就家蝇Muscadomestica酪氨酸 酶(tyrosinase)的生物化学性质和抑制动力学参数做了基础性研究.

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Conclusion Tyrosinase activity acidum vitamin A.

结论维甲酸可使酪氨酸酶活性增加.

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The inhibition of parathion, phoxim , methomyl, arprocarb, imidacloprid andavermectins to tyrosinase is not obvious.

对硫磷 、 辛硫磷、灭多威 、 残杀威 、 吡虫啉及阿维菌素对家蝇酪氨酸酶有不明显抑制作用.

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In human being, tyrosinase is the key enzyme for melanin biosynthesis, and is associated with melanin hyperpigmentation such as melasma, freckles, ephelide, senile lentigines.

在人体中，它与色素障碍性疾病及恶性黑色素肿瘤的发生与治疗有关。

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Over these years, the study on tyrosinase inhibitors has been a major concern of domestic and international academics. So, the study of screening new naturally tyrosinase inhibitors would provide a theoretical basement for the medical cosmetology, food industry and agriculture resist insects fields.

多年来，对酪氨酸酶抑制剂的研究一直备受国内外学者的关注，因此，筛选酪氨酸酶的天然抑制剂可以为其在医疗美容、食品工业、农业抗虫等多个领域提供理论依据。

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OBJECTIVE To establish the microwave-assisted extraction ( MAE ) technology of inhibitor against tyrosinase from Tribulus terrestris L.

目的探讨白蒺藜中酪氨酸酶抑制剂的微波提取工艺.

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The serum anti-tyrosinase IgG, IgM antibodies titer in the active vitiligo patients was significantly higher than that of stable vitiligo patients ( P < 0.001);

活动期白癜风患者血清抗酪氨酸酶IgG、IgM抗体滴度明显高于稳定期白癜风患者（均P<0.001）；

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Vitamin C only on melanoma cells by tyrosinase are stagnant, only over-pigmentation has improved.

维生素C仅仅对黑素细胞内的酪氨酸酶有迟滞作用, 只对过度的色素沉着有所改善.

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Methods: Tyrosinase activity was estimated by measuring the rate of oxidation of DL-dopa.

方法应用蘑菇 酪氨酸 酶多巴速率氧化法体外测定 酪氨酸 酶活性.

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RP: RP had a strong promotion on melanocytic proliferation, melanin synthesis, and tyrosinase activity at four concentrations comparing with other groups ( P < 0.01).

调和气血中药复方在高中低4个浓度对黑素细胞、黑素合成和酪氨酸酶活性呈显著激活（P＜0.01）。

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Results: The results showed that EGCG inhibited melanin synthesis and tyrosinase activity significantly compared with control.

结果：EGCG显著抑制黑素合成和TYR活性，且呈浓度依赖性；

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Tyrosinase played an important role in biological melanin formation and make the body acquired immune ability when foreign substance invaded.

酪氨酸酶对于生物体黑色素的形成以及外来物入侵时获得性免疫反应的产生有至关重要的作用。

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An amperometric tyrosinase biosensor for phenolic compounds was developed via a simple and effective immobilization method.

通过自组装技术构制了一种简单有效的酪氨酸酶传感器.

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Tyrosinase ( Tyr) catalyzes ortho-hydroxylation of monophenols to catechols ( phenolase activity) and oxidation of catechols into o-quinones ( catecholase activity) with high efficiency and selectivity under mild conditions.

酪氨酸酶在温和条件下能高效、高选择性实现单酚的邻位羟化（单酚酶活性）以及氧化邻二酚为邻二醌（儿茶酚酶活性）。

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