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Zapytanie: YOKOYAMA
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Tytuł oryginału: The expression of PDGF, its receptors and capillary morphometry in the developing lung: quantitative studies.
Autorzy: Marszałek A[ndrzej], Biczysko W[iesława], Wąsowicz M[arcin], Daa T., Yokoyama S.
Źródło: Folia Histochem. Cytobiol. 2002: 40 (2) s.139-140, il., bibliogr. 11 poz. - 37 Sympozjum Polskiego Towarzystwa Histochemików i Cytochemików Kraków 02-05.09. 2001
Sygnatura GBL: 304,846

Hasła klasyfikacyjne GBL:
  • ginekologia i położnictwo
  • pulmonologia

    Typ dokumentu:
  • praca związana ze zjazdem
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • szczury
  • zarodki

    Streszczenie angielskie: The aim of the present study was the evaluation of the expression levels of PDGF-A and B, and PDGFR-ŕ, and changes of apillary cross-sectional areas during terminal vascular network formation in the developing lung. Pathogen-free fetuses and newborn Wistar rats were used. Lungs were processed for frozen sections used for immunohistochemical staining and parallel tissue specimens were prepared for transmission electron microscopy. The expression levels of PDGF-A and B, and PDGRR-ŕ were obtained using quantitative image anlysis. Additionally, the morphometry of capillary cross-sectional area was performed. We found that the expression levels of the studied antigens fluctuated, and the highest values were found in 2-day old fetuses (p 0.0001). Although there were no significant differences of the area of "a single" capillary, the area of the endothelium decreased significantly in perinatal period (p 0.0001). We conclude that the statistically significant changes of the studied antigens' expression as well as the of capillary cross-sectional area occur in the perinatal period.

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