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Malignant cell-deri...
Malignant cell-derived PlGF promotes normalization and remodeling of the tumor vasculature
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- Hedlund, EM (författare)
- Karolinska Institutet
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- Hosaka, K (författare)
- Karolinska Institutet
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Zhong, ZD (författare)
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visa fler...
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- Cao, RH (författare)
- Karolinska Institutet
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- Cao, YH (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2009-10-13
- 2009
- Engelska.
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 1091-6490. ; 106:41, s. 17505-17510
- Relaterad länk:
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https://europepmc.or...
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http://kipublication...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Vascular functions of PlGF remain poorly understood and controversial. Here, we show that tumor cell-derived PlGF-1 and PlGF-2 displayed significant remodeling effects on the tumor vasculature, leading to a normalized vascular phenotype and improved functions against leakage. In two murine tumor models, that is, T241 fibrosarcoma and Lewis lung carcinoma, stable expression of PlGF-1 and PlGF-2 in tumor cells resulted in significant reduction of tumor microvascular density and branch formation. Markedly, the vasculature in PlGF-expressing tumors consisted of relatively large-diameter microvessels with substantial improvement of pericyte coverage. Similarly, PlGF-induced vascular normalization and remodeling were also observed in a spontaneous human choriocarcinoma that expressed endogenous PlGF. Our findings shed light on functions of PlGF as a vascular remodeling factor that normalizes the tumor vasculature and thus may have conceptual implications of cancer therapy.
Publikations- och innehållstyp
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- art (ämneskategori)
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