Hyperplasia of microvessels in the superficial dermis is the main pathological feature of psoriasis, and is linked to the pathogenesis of psoriasis. Thus, anti-angiogenic therapy may be effective for psoriasis. Angiopoietins (Angs) are crucial angiogenic factors. Ang1 supports a static mature vascular phenotype, while Ang2 is associated with the formation of abnormal vascular structure, vascular leakage and inflammation. The Ang/Tie2 axis and its signal transduction play an important role in regulation of vascular stability, angiogenesis and inflammation. Targeting the Ang/Tie2 signal axis can normalize microvessels in psoriatic lesions. This paper reviews Ang/Tie2 signal axis and its role in angiogenesis of psoriasis, aiming to provide new ideas and strategies for anti-angiogenic therapy of psoriasis.
Keywords: Angiogenesis; Angiopoietin; Psoriasis; Therapy; Tie2.
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