Topical treatment with liposomes containing T4 endonuclease V protects human skin in vivo from ultraviolet-induced upregulation of interleukin-10 and tumor necrosis factor-alpha.

Topical treatment with liposomes containing T4 endonuclease V protects human skin in vivo from ultraviolet-induced upregulation of interleukin-10 and tumor necrosis factor-alpha.
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使用含有 T4 核酸内切酶 V 的脂质体进行局部治疗可保护体内人体皮肤免受紫外线诱导的白细胞介素 10 和肿瘤坏死因子 α 的上调。

DOI:
10.1046/j.1523-1747.2000.00839.x
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发表时间:
2000
期刊:
The Journal of investigative dermatology
影响因子:
--
通讯作者:
M. Kripke
M. Kripke
中科院分区:
--
文献类型:
--
作者:
Peter Wolf;Harald Maier;R. Müllegger;C. Chadwick;R. Hofmann;H. Soyer;A. Hofer;J. Smolle;Michael Horn;Lorenzo Cerroni;Daniel B. Yarosh;J. Klein;Corazon D. Bucana;K. Dunner;C. Potten;Herbert Hönigsmann;H. Kerl;M. Kripke

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将人类皮肤暴露在紫外线辐射下会导致DNA损伤、晒伤、免疫改变,最终导致皮肤癌。我们希望确定含有DNA修复酶的脂质体是否可以防止紫外线照射后的任何急性照射效应。15名有皮肤癌病史的人类患者在其粗糙的皮肤上暴露于两个最小红斑剂量的紫外线辐射。含有T4核酸内切酶V或热灭活酶的脂质体在紫外线照射后立即和在2、4和5 h应用。透射电子显微镜后,抗T4核酸内切酶V染色和免疫金标记的活检在6小时后紫外线照射显示,该酶存在于皮肤细胞内。免疫组织化学DNA损伤研究表明,在活性T4核酸内切酶V脂质体处理的测试位点的DNA修复有改善的趋势。虽然活性T4核酸内切酶V脂质体并没有显着影响紫外线诱导的红斑反应和微观晒伤细胞的形成,他们几乎完全阻止了紫外线诱导的上调白细胞介素-10和肿瘤坏死因子-α RNA信息和白细胞介素-10蛋白。这些研究表明,脂质体可用于局部细胞内传递的小蛋白质到人类皮肤,并建议含有DNA修复酶的脂质体可能提供一个新的途径,对某些形式的紫外线诱导的皮肤损伤的光保护。
Exposing human skin to ultraviolet radiation causes DNA damage, sunburn, immune alterations, and eventually, skin cancer. We wished to determine whether liposomes containing a DNA repair enzyme could prevent any of the acute effects of irradiation when applied after ultraviolet exposure. Fifteen human patients with a prior history of skin cancer were exposed to two minimal erythema doses of ultraviolet radiation on their buttock skin. Liposomes containing T4 endonuclease V or heat-inactivated enzyme were applied immediately and at 2, 4, and 5 h after ultraviolet irradiation. Transmission electron microscopy after anti-T4 endonuclease V-staining and immunogold labeling on biopsies taken at 6 h after ultraviolet exposure revealed that the enzyme was present within cells in the skin. Immunohistochemical DNA damage studies suggested a trend toward improved DNA repair at the active T4 endonuclease V liposome-treated test sites. Although the active T4 endonuclease V liposomes did not significantly affect the ultraviolet-induced erythema response and microscopic sunburn cell formation, they nearly completely prevented ultraviolet-induced upregulation of interleukin-10 and tumor necrosis factor-alpha RNA message and of interleukin-10 protein. These studies demonstrate that liposomes can be used for topical intracellular delivery of small proteins to human skin and suggest that liposomes containing DNA repair enzymes may provide a new avenue for photoprotection against some forms of ultraviolet-induced skin damage.
紫外线 B 光诱导的表皮朗格汉斯细胞的改变部分是由肿瘤坏死因子-α 介导的。
DOI: --
发表时间: 1990
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影响因子: --
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影响因子: --
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基底细胞癌患者的外周淋巴细胞对紫外线引起的损伤的 DNA 修复能力降低。
DOI: 10.1111/1523-1747.ep12606207
发表时间: 1995
期刊: The Journal of investigative dermatology
影响因子: --
作者:
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发表时间: 1994
影响因子: 5
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通讯作者: Grossman,L