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Vascularization of normal human thyroid tissue transplanted to nude mice.

Artikel i vetenskaplig tidskrift
Författare Johan Mölne
E Jörtsö
S Smeds
L E Ericson
Publicerad i Experimental cell biology
Volym 55
Nummer/häfte 2
Sidor 104-14
ISSN 0304-3568
Publiceringsår 1987
Publicerad vid Medicinska institutionen
Sidor 104-14
Språk en
Länkar https://doi.org/10.1159/000163404
www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord Animals, Capillaries, ultrastructure, Humans, Mice, Mice, Inbred BALB C, Mice, Nude, Neovascularization, Pathologic, pathology, Thyroid Gland, blood supply, pathology, transplantation, Transplantation, Heterologous
Ämneskategorier Anatomi

Sammanfattning

The vascularization of normal human thyroid tissue transplanted to nude, athymic mice was examined by light, electron microscopy and autoradiography after continuous infusion of 3H-thymidine during 2, 4 and 6 days after transplantation. Labelled vascular sprouts were found in the surrounding host connective tissue after 2 days, in between peripheral follicles after 4 days and in central parts of the transplants after 6 days. The autoradiographic observations indicate that the sprouts originated from the surrounding host tissue. The amount of sprouts increased up to a maximum after 2 weeks of transplantation. At this time large interfollicular areas were occupied by sprouts. At later observations (3-5 weeks) sprouts occurred together with typical fenestrated capillaries. After 7 weeks all sprouts had differentiated into mature vessels. Our observations suggest that the transplanted thyroid tissue induces the formation of vascular sprouts in the surrounding host connective tissue. The sprouts then penetrate and vascularize the thyroid tissue.

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