Cancer spares no one: First record of neoplasm in parasitic barnacles (Arthropoda: Rhizocephala)

Авторы: Miroliubov Aleksei A., Lianguzova Anastasia D., Krupenko Darya Y., Kremnev Georgii A., Enshina Irina C.
Журнал: Journal of Invertebrate Pathology
Том: 198
Номер: 107913
Год издания: 2023
Издательство: Academic Press
Местоположение издательства: United States
DOI: 10.1016/j.jip.2023.107913
Аннотация: Cancer-like neoplasms are extremely rarely present in arthropods, particularly in crustaceans. Thus, it is assumed that these animals have some efficient cancer-preventing mechanisms. However, several cases of cancer-like neoplasms are described in crustaceans, though only for the Decapoda. We identified a tumor in the parasitic barnacle Peltogaster paguri (Cirripedia: Rhizocephala), and described its histological structure. A spherical cell mass consisting mostly of roundish cells with big translucent nuclei, prominent nucleoli, and sparse chromatin, and of cells with condensed chromosomes, was found in the main trunk of the P. paguri rootlet system. Numerous mitoses were observed in this area. Such tissue organization is utterly uncharacteristic of the Rhizocephala. Based on acquired histological data, we assume that this tumor is a cancer-like neoplasm. This is the first report of a tumor identified in the rhizocephalans, as well as in non-decapod crustaceans as a whole.
Добавил в систему: Еньшина Ирина Константиновна

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