Reply to Letter to Editor “Comments on ‘Cell regulation of collagen fibril macrostructure during corneal morphogenesis’ by Koudouna et al”

2021 ◽  
Author(s):  
Elena Koudouna ◽  
Eric Mikula ◽  
Donald J. Brown ◽  
Robert D. Young ◽  
Andrew J. Quantock ◽  
...  
Keyword(s):  
Collagen Fibril ◽  
Cell Regulation

scholarly journals Cell regulation of collagen fibril macrostructure during corneal morphogenesis

2018 ◽  
Vol 79 ◽  
pp. 96-112 ◽  
Author(s):  
Elena Koudouna ◽  
Eric Mikula ◽  
Donald J. Brown ◽  
Robert D. Young ◽  
Andrew J. Quantock ◽  
...  
Keyword(s):  
Collagen Fibril ◽  
Cell Regulation

Ultrastructural analysis of collagen formation in the developing primate amnion

1990 ◽  
Vol 48 (3) ◽  
pp. 106-107
Author(s):  
Barry F. King ◽  
Grete N. Fry
Keyword(s):  
Golgi Apparatus ◽  
Collagen Fibril ◽  
Fibril Formation ◽  
Amniotic Cavity ◽  
Cytological Evidence ◽  
Mammalian Embryo ◽  
Intracellular Location ◽  
Collagen Formation ◽  
Amniotic Epithelium ◽  
Extraembryonic Mesoderm

The amnion surrounding the mammalian embryo consists of the amniotic epithelium facing the amniotic cavity, a layer of extraembryonic mesoderm bordering the exocoelom and an intervening layer of extracellular matrix (Fig. 1). During gestation the amnion expands remarkably to acommodate the rapidly growing embryo. In this study we have examined the process of collagen fibril formation in the developing amnion of the rhesus monkey between 20 and 60 days of gestation.Most cytological evidence of collagen fibril formation was observed in association with the extraembryonic mesodermal cells rather than the amniotic epithelium. The mesodermal cells h ad abundant cisternae of rough endoplasmic reticulum and a prominent Golgi apparatus. Elongated secretory vacuoles were associated with the Golgi apparatus and often contained parallel aggregates of fine filaments (Fig. 2). In some secretory vacuoles, periodic densities also were observed. Some striated collagen fibrils were observed in an apparent intracellular location in long, membrane-limited compartments (Fig. 3). Still other striated fibrils were observed in dense bodies, presumably lysosomes (Fig. 4).

Cell Regulation By a Novel Estrogen Regulated Gene

1999 ◽  
Author(s):  
Brian T. Pentecost
Keyword(s):  
Cell Regulation
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