NEUROPEPTIDE-Y IMMUNOREACTIVITY OF A PROJECTION FROM THE LATERAL THALAMIC NUCLEUS TO THE OPTIC TECTUM OF THE LEOPARD FROG

被引:25
作者
CHAPMAN, AM [1 ]
DEBSKI, EA [1 ]
机构
[1] UNIV KENTUCKY,SCH BIOL SCI,LEXINGTON,KY 40506
基金
美国国家科学基金会;
关键词
VISUAL SYSTEM; THALAMUS; MODULATION; RANA PIPIENS;
D O I
10.1017/S0952523800007264
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Using rhodamine-labelled latex beads as a retrograde tracer, we have shown that a subset of the neurons projecting from the lateral thalamic nucleus to the optic tectum of the leopard frog are neuropeptide Y-like immunoreactive (NPY-IR). In juvenile frogs, approximately twice as many lateral thalamic nucleus cells from this area project to the ipsilateral tectum as project to the contralateral tectum. NPY-IR cells make up 25% of the projection to the ipsilateral tectum and 13% of the projection to the contralateral tectum. The ipsilateral NPY-IR projection from the lateral nucleus was present in tadpoles and was similar in its characteristics to that found in the juvenile frog. However, the contralateral tectal projection was virtually nonexistent in these animals. The results of these experiments suggest that NPY from the lateral nucleus is released into the ipsilateral tectal neuropil in both the developing and adult frog.
引用
收藏
页码:1 / 9
页数:9
相关论文
共 42 条
[1]   DISTRIBUTION OF GABA IMMUNOREACTIVITY IN THE OPTIC TECTUM OF THE FROG - A LIGHT AND ELECTRON-MICROSCOPIC STUDY [J].
ANTAL, M .
NEUROSCIENCE, 1991, 42 (03) :879-891
[2]   LOCALIZATION OF NEUROPEPTIDE Y-IMMUNOREACTIVE CELLS AND FIBERS IN THE BRAIN OF THE JAPANESE-QUAIL [J].
ASTE, N ;
VIGLIETTIPANZICA, C ;
FASOLO, A ;
ANDREONE, C ;
VAUDRY, H ;
PELLETIER, G ;
PANZICA, GC .
CELL AND TISSUE RESEARCH, 1991, 265 (02) :219-230
[3]   DISTRIBUTION OF NEUROPEPTIDE-Y, SUBSTANCE-P, AND CHOLINE-ACETYLTRANSFERASE IN THE DEVELOPING VISUAL-SYSTEM OF THE PIGEON AND EFFECTS OF UNILATERAL RETINA REMOVAL [J].
BAGNOLI, P ;
FONTANESI, G ;
ALESCI, R ;
ERICHSEN, JT .
JOURNAL OF COMPARATIVE NEUROLOGY, 1992, 318 (04) :392-414
[4]   NEUROPEPTIDE-Y (NPY) IMMUNOREACTIVE NEURONS IN THE RETINA OF DIFFERENT SPECIES [J].
BRUUN, A ;
TORNQVIST, K ;
EHINGER, B .
HISTOCHEMISTRY, 1986, 86 (02) :135-140
[5]   LOCALIZATION AND IDENTIFICATION OF NEUROPEPTIDE-Y (NPY)-LIKE IMMUNOREACTIVITY IN THE FROG BRAIN [J].
DANGER, JM ;
GUY, J ;
BENYAMINA, M ;
JEGOU, S ;
LEBOULENGER, F ;
COTE, J ;
TONON, MC ;
PELLETIER, G ;
VAUDRY, H .
PEPTIDES, 1985, 6 (06) :1225-1236
[6]  
DEBSKI E A, 1988, Society for Neuroscience Abstracts, V14, P674
[7]   THE DEVELOPMENT OF NON-RETINAL AFFERENT-PROJECTIONS TO THE FROG OPTIC TECTUM AND THE SUBSTANCE-P IMMUNOREACTIVITY OF TECTAL CONNECTIONS [J].
DEBSKI, EA ;
CONSTANTINEPATON, M .
DEVELOPMENTAL BRAIN RESEARCH, 1993, 72 (01) :21-39
[8]   CHOLINERGIC INNERVATION OF THE OPTIC TECTUM IN THE FROG RANA-PIPIENS [J].
DESAN, PH ;
GRUBERG, ER ;
GREWELL, KM ;
ECKENSTEIN, F .
BRAIN RESEARCH, 1987, 413 (02) :344-349
[9]   DEVELOPMENT OF NEUROPEPTIDE Y-IMMUNOREACTIVE NEURONS IN THE RAT RETINA [J].
FERRIERO, DM ;
SAGAR, SM .
DEVELOPMENTAL BRAIN RESEARCH, 1989, 48 (01) :19-26
[10]  
FOX B E S, 1987, Society for Neuroscience Abstracts, V13, P766