BetaHPV E6 and E7 colocalize with NuMa in dividing keratinocytes

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Pysyväisosoite

http://hdl.handle.net/10138/320952

Lähdeviite

Oswald , E , Kirschberg , M , Aubin , F , Alonso , A , Hufbauer , M , Akguel , B & Auvinen , E 2019 , ' BetaHPV E6 and E7 colocalize with NuMa in dividing keratinocytes ' , Virus Genes , vol. 55 , no. 5 , pp. 600-609 . https://doi.org/10.1007/s11262-019-01685-9

Julkaisun nimi: BetaHPV E6 and E7 colocalize with NuMa in dividing keratinocytes
Tekijä: Oswald, Evelyn; Kirschberg, Matthias; Aubin, Francois; Alonso, Angel; Hufbauer, Martin; Akguel, Baki; Auvinen, Eeva
Tekijän organisaatio: University of Helsinki
Eeva Auvinen / Principal Investigator
University Management
Medicum
HUSLAB
Päiväys: 2019-10
Kieli: eng
Sivumäärä: 10
Kuuluu julkaisusarjaan: Virus Genes
ISSN: 0920-8569
DOI-tunniste: https://doi.org/10.1007/s11262-019-01685-9
URI: http://hdl.handle.net/10138/320952
Tiivistelmä: Human papillomaviruses (HPVs) of genus betapapillomavirus (betaHPV) are implicated in skin carcinogenesis, but their exact role in keratinocyte transformation is poorly understood. We show an interaction of HPV5 and HPV8 oncoproteins E6 and E7 with the nuclear mitotic apparatus protein 1 (NuMA). Binding of E6 or E7 to NuMA induces little aneuploidy, cell cycle alterations, or aberrant centrosomes. Intracellular localization of NuMA is not altered by E6 and E7 expression in 2D cultures. However, the localization profile is predominantly cytoplasmic in 3D organotypic skin models. Both viral proteins colocalize with NuMA in interphase cells, while only E7 colocalizes with NuMA in mitotic cells. Intriguingly, a small subset of cells shows E7 at only one spindle pole, whereas NuMA is present at both poles. This dissimilar distribution of E7 at the spindle poles may alter cell differentiation, which may in turn be relevant for betaHPV-induced skin carcinogenesis.
Avainsanat: Human papillomavirus
Betapapillomavirus
Nuclear mitotic apparatus protein 1
HUMAN-PAPILLOMAVIRUS TYPE-16
EARLY GENES
PROTEIN
EXPRESSION
DIFFERENTIATION
CHROMOSOME
ORGANIZATION
CENTROSOME
ABROGATE
INVASION
3111 Biomedicine
Vertaisarvioitu: Kyllä
Pääsyrajoitteet: openAccess
Rinnakkaistallennettu versio: publishedVersion


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