CALBINDIN-D-28K AND NADPH-DIAPHORASE ACTIVITY ARE LOCALIZED IN DIFFERENT POPULATIONS OF PERIGLOMERULAR CELLS IN THE RAT OLFACTORY-BULB

被引:47
作者
ALONSO, JR [1 ]
AREVALO, R [1 ]
PORTEROS, A [1 ]
BRINON, JG [1 ]
LARA, J [1 ]
AIJON, J [1 ]
机构
[1] UNIV SALAMANCA,DEPT BIOL CELULAR & PATOL,E-37007 SALAMANCA,SPAIN
关键词
SHORT-AXON CELL;
D O I
10.1016/0891-0618(93)90002-L
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Calbindin D-28k (CaBP) immunocytochemistry and NADPH-diaphorase (ND) histochemistry have been combined in the rat olfactory bulb by successive incubations of the same sections. The outer strata showed a similar neuronal staining pattern for both markers with positive periglomerular neurons (although the CaBP-stained periglomerular cells were six-fold more abundant than the ND-active ones) and larger neurons scattered in the glomerular and external plexiform layers. Both populations of periglomerular cells were distinct but they did not show specific morphological characteristics nor a predominant distribution around ND-positive and negative glomeruli. The colocalization study demonstrates that the larger ND and CaBP-stained juxtaglomerular cells, identified according to their size, location and processes branching patterns as two types of short axon cells (superficial short-axon and Van Gehuchten Cells) were also independent populations.
引用
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页码:1 / 6
页数:6
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