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The ontogeny of two calcium-binding proteins (calbindin-D28k and calretinin) was studied by immunohistochemical techniques in developing chick kidney. This study showed the presence of calbindin on the 5th incubation day and calretinin on the 7th incubation day in mesonephric distal and connecting tubules, and in the medial wall of the Wolffian duct. At later stages, immunostaining for these two proteins, in particular for calretinin, was also demonstrated in some metanephric proximal tubules. Glomeruli and Bowman's capsules were negative both in the mesonephros and metanephros. The presence of calretinin in the developing kidney has thus been demonstrated for the first time. The early expression of calbindin and calretinin in mesonephric distal tubules suggests their role in regulating the final excretion of calcium. The different patterns of immunoreactivity of the walls of the Wolffian duct can be correlated with their different histogenetic and histological features.
L S Daneo, and
G Corvetti, and
G L Panattoni
October 1994,
Journal of pineal research,
L S Daneo, and
G Corvetti, and
G L Panattoni
July 1993,
European journal of biochemistry,
L S Daneo, and
G Corvetti, and
G L Panattoni
May 1992,
Histochemistry,
L S Daneo, and
G Corvetti, and
G L Panattoni
May 1991,
Cell and tissue research,
L S Daneo, and
G Corvetti, and
G L Panattoni
October 1997,
Brain research. Developmental brain research,
L S Daneo, and
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G L Panattoni
June 1993,
Neuroscience research,
L S Daneo, and
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G L Panattoni
October 1992,
Development (Cambridge, England),
L S Daneo, and
G Corvetti, and
G L Panattoni
January 2003,
Protein science : a publication of the Protein Society,
L S Daneo, and
G Corvetti, and
G L Panattoni
January 1994,
Developmental dynamics : an official publication of the American Association of Anatomists,
L S Daneo, and
G Corvetti, and
G L Panattoni
August 1993,
Kidney international,
