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Tytuł oryginału:
Suspensional reaggregates of human foetal neocortex and tegmentum as objects of neurotransplantation.
Autorzy:
Bystron
Irina Pavlovna,
Smirnov
Eugene Borisovich,
Otellin
Vladimir Alexandrovich,
Wierzba-Bobrowicz
Teresa,
Dymecki
Jerzy
Źródło:
Folia Neuropathol. 2002: 40 (2) s.75-85, il., bibliogr. 25 poz.
Sygnatura GBL:
304,961
Hasła klasyfikacyjne GBL:
transplantologia
neurologia
Typ dokumentu:
praca kliniczna
praca doświadczalna
tytuł obcojęzyczny
Wskaźnik treści:
ludzie
zwierzęta
szczury
płeć męska
Streszczenie angielskie:
Suspensional reaggregates were obtained from human neocortical and tegmental anlagen (7 weeks of gestation), using 0.1 p.c. tripsin solution, and cultivated in Medium 199. Suspensional reaggregates, formed after 2 days in vitro, were grafted into the Wistar rat striatum. Incipient stages of histogenesis in the reaggregates and their interaction with host brain were investigated using light and electron microscopy, with antibodies against vimentin, glial fibrillary acidic protein (GFAP), proliferating cell nuclear antigen (PCNA), ferritin, as well as lectin ricinus communis agglutinin (RCA). The reaggregates showed a low level of tissue organistaion. An intermediate condition between suspension and the true tissue could be observed in them. These reaggregates had two evident features: a rather irregular cell arrangement (without parallel bundles of radial glia), and the presence of special intercellular junctions. Some cells made up fragments of neuroepithelial sheet in the form of true rosettes. The one-week-old grafts were integrated with the host brain as well as dissociated and contained host astrocytes. Degenerated cells and detritus appeared rarely. The data of this work let us conclude that the suspensional aggregate grafting combines some advantages of suspensional and solid grafting methods.
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