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Published in: Virchows Archiv 4/2017

01-04-2017 | Original Article

Factors that may influence polymorphous low-grade adenocarcinoma growth

Published in: Virchows Archiv | Issue 4/2017

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Abstract

There is mounting evidence on the importance of some biological processes in tumor growth, such as vascular supply, apoptosis, autophagy, and senescence. We have investigated these processes in polymorphous low-grade adenocarcinoma (PLGA), in an attempt to identify those that are relevant for this particular lesion. We analyzed 31 cases of PLGA using immunohistochemistry to antibodies against CD34 and CD105 to detect blood vessels; against D2-40 to detect lymphatic vessels; against Bax, Bcl-2, and survivin to explore cell apoptosis; and against Beclin and LCB3 to investigate autophagy and against p21 and p16 to assess senescence. Our results showed that PLGA growth does not depend on newly formed vessels but only on preexisting vasculature. Furthermore, PLGA is promoted by autophagy, sustained by both anti-apoptotic and anti-senescence signals, and stimulated by Bcl-2 and survivin.
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Metadata
Title
Factors that may influence polymorphous low-grade adenocarcinoma growth
Publication date
01-04-2017
Published in
Virchows Archiv / Issue 4/2017
Print ISSN: 0945-6317
Electronic ISSN: 1432-2307
DOI
https://doi.org/10.1007/s00428-017-2085-3

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