Loxl2 is dispensable for dermal development, homeostasis and tumour stroma formation.

Loxl2 is dispensable for dermal development, homeostasis and tumour stroma formation.
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DOI:
10.1371/journal.pone.0199679
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
Watt FM
Watt FM
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Kober KI;Cano A;Géraud C;Sipilä K;Mobasseri SA;Philippeos C;Pisco AO;Stannard A;Martin A;Salvador F;Santos V;Boutros M;Rognoni E;Watt FM

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赖氨酰氧化酶样2(L0 XL 2)是铜依赖性单胺氧化酶,其通过胶原和弹性蛋白纤维的交联而有助于细胞外基质(ECM)的重塑,并且已经成为癌症和纤维化的潜在治疗靶点。在皮肤中,LOXL 2对于表皮细胞极性和分化是必需的。然而,其在真皮中的作用尚未得到评价。我们发现Loxl 2对小鼠皮肤发育、成熟和稳态是有利的,但影响皮肤硬度。在用佛波醇酯TPA处理后,Loxl 2的损失和Loxl 2表达的增加都不影响真皮结构。此外,Loxl 2表达没有改变DMBA-TPA诱导的肿瘤的基质。我们得出结论,虽然Loxl 2在真皮和表皮中表达,但其功能似乎主要局限于表皮。
Lysyl oxidase-like 2 (LOXL2) is a copper-dependent monoamine oxidase that contributes to the remodelling of the extracellular matrix (ECM) by cross linkage of collagen and elastin fibres and has emerged as a potential therapeutic target in cancer and fibrosis. In the skin, LOXL2 is essential for epidermal cell polarity and differentiation. However, its role in the dermis has not been evaluated. We found that Loxl2 is dispensable for mouse dermal development, maturation and homeostasis, yet affects dermal stiffness. Neither loss of Loxl2 nor increased Loxl2 expression affected dermal architecture following treatment with the phorbol ester TPA. Furthermore, Loxl2 expression did not alter the stroma of DMBA-TPA-induced tumours. We conclude that, although Loxl2 is expressed in both dermis and epidermis, its function appears largely confined to the epidermis.
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