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Angiogenesis in normal human retinal development the involvement of astrocytes and macrophages

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Abstract

Recent studies have suggested a role for mononuclear phagocytes series (MPS) cells in neovascularisation associated with retinal pathology and experimentally induced subretinal neovascularisation. The present study is concerned with the normal development of the human retinal vasculature. Morphological details are provided of developing vascular structures including the formation of tight junctions and canalisation of angioblast cords. The relationships of astrocytes and pericytes to developing structures and the presence of a perivascular collagenous matrix are described. Ultrastructural and histochemcal analyses reveal an association between MPS cells and developing vascular structures. It is suggested that MPS cells may influence angiogenesis in normal retinal development, as well as in retinal pathology.

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Supported by grant numbers 860029 and 870280 from the NH&MRC (Australia)

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Penfold, P.L., Provis, J.M., Madigan, M.C. et al. Angiogenesis in normal human retinal development the involvement of astrocytes and macrophages. Graefe's Arch Clin Exp Ophthalmol 228, 255–263 (1990). https://doi.org/10.1007/BF00920031

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  • DOI: https://doi.org/10.1007/BF00920031

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