Expression of Vascular Endothelial Growth Factor and Its Receptors in the Developing Rat Lung

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We examined the regulation of the expression of vascular endothelial growth factor (VEGF) and its specific receptors, fetal liver kinase receptor (Flk-1), and fms-like tyrosine kinase receptor (Flt-1) during formation of the capillary network in the developing rat lung. An immunohistochemical study of lung tissue from 19- and 21-d-old fetuses and 1-, 3-, 5-, 7-, and 14-d-old animals revealed that the level of expression of both VEGF and Flk-1 is significantly higher before birth (p < 0.0001) than after. Increased expression of Flt-1 on the first day after birth (p < 0.0001) suggests that this receptor might play an important role in capillary growth in the perinatal period. Immunostaining also revealed the colocalization of VEGF, Flt-1, and Flk-1 in endothelial cells of the lung capillaries at the ultrastructural level. The present studies revealed that VEGF and its two receptors are upregulated during the development of capillaries in the fetal and newborn rat lung.<br>

収録刊行物

  • The Japanese journal of physiology

    The Japanese journal of physiology 51(3), 313-318, 2001-06

    PHYSIOLOGICAL SOCIETY OF JAPAN

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各種コード

  • NII論文ID(NAID)
    10008293690
  • NII書誌ID(NCID)
    AA00691224
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0021521X
  • NDL 記事登録ID
    5840254
  • NDL 雑誌分類
    ZS8(科学技術--医学--解剖学・生理学・生化学)
  • NDL 請求記号
    Z53-D40
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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