SEXUAL DIFFERENCES IN THE SYNAPTIC CONNECTIVITY IN THE RAT DENTATE GYRUS

被引：43

作者：

PARDUCZ, A ^{[1
]}

GARCIASEGURA, LM ^{[1
]}

机构：

[1] CSIC,INST CAJAL,E-28002 MADRID,SPAIN

来源：

NEUROSCIENCE LETTERS | 1993年 / 161卷 / 01期

基金：

匈牙利科学研究基金会;

关键词：

DENTATE GYRUS; HIPPOCAMPUS; MORPHOMETRY; MOSSY FIBER; SEX DIFFERENCE; SYNAPSE;

D O I：

10.1016/0304-3940(93)90138-B

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The volume density of synapses in the hilus of the dentate gyrus was quantitatively assessed in adult rats. A gender difference was found, with males showing a significantly higher number of mossy fiber synapses. Other types of nerve endings on dendritic shafts and dendritic spines were not different between the two sexes. Since it has been previously shown that the volume density of mossy fiber synapses in the CA3 area of the hippocampus is higher in females than in males, the present findings suggest that the sexually dimorphic synaptic patterns may be determined not only by the presynaptic elements, but also by the postsynaptic target area.

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收藏

页码：53 / 56

页数：4

相关论文

共 32 条

[1] GOLGI STUDY OF CELL-TYPES IN HILAR REGION OF HIPPOCAMPUS IN RAT [J].

AMARAL, DG .

JOURNAL OF COMPARATIVE NEUROLOGY, 1978, 182 (04) :851-914

[2] HORMONE ACCUMULATION IN A SEXUALLY DIMORPHIC MOTOR NUCLEUS OF THE RAT SPINAL-CORD [J].

BREEDLOVE, SM ;

ARNOLD, AP .

SCIENCE, 1980, 210 (4469) :564-566

[3] THE DISTRIBUTION OF GLIAL FIBRILLARY ACIDIC PROTEIN IN THE ADULT-RAT BRAIN IS INFLUENCED BY THE NEONATAL LEVELS OF SEX STEROIDS [J].

GARCIASEGURA, LM ;

SUAREZ, I ;

SEGOVIA, S ;

TRANQUE, PA ;

CALES, JM ;

AGUILERA, P ;

OLMOS, G ;

GUILLAMON, A .

BRAIN RESEARCH, 1988, 456 (02) :357-363

[4] ASTROCYTIC SHAPE AND GLIAL FIBRILLARY ACIDIC PROTEIN IMMUNOREACTIVITY ARE MODIFIED BY ESTRADIOL IN PRIMARY RAT HYPOTHALAMIC CULTURES [J].

GARCIASEGURA, LM ;

TORRESALEMAN, I ;

NAFTOLIN, F .

DEVELOPMENTAL BRAIN RESEARCH, 1989, 47 (02) :298-302

[5] EVIDENCE FOR A MORPHOLOGICAL SEX DIFFERENCE WITHIN MEDIAL PREOPTIC AREA OF RAT-BRAIN [J].

GORSKI, RA ;

GORDON, JH ;

SHRYNE, JE ;

SOUTHAM, AM .

BRAIN RESEARCH, 1978, 148 (02) :333-346

[6]

GOULD E, 1990, J NEUROSCI, V10, P996

[7]

GOULD E, 1990, J NEUROSCI, V10, P1286

[8] SEXUAL DIMORPHISMS OF AXO-SPINE SYNAPSES AND POSTSYNAPTIC DENSITY MATERIAL IN THE SUPRACHIASMATIC NUCLEUS OF THE RAT [J].

GULDNER, FH .

NEUROSCIENCE LETTERS, 1982, 28 (02) :145-150

[9] SEXUAL DIMORPHISM AND THE INFLUENCE OF NEONATAL ANDROGEN IN THE DORSOLATERAL MOTOR NUCLEUS OF THE RAT LUMBAR SPINAL-CORD [J].

JORDAN, CL ;

BREEDLOVE, SM ;

ARNOLD, AP .

BRAIN RESEARCH, 1982, 249 (02) :309-314

[10] GENDER DIFFERENCES IN THE DENDRITIC TREE OF GRANULE NEURONS IN THE HIPPOCAMPAL DENTATE GYRUS OF WEANING AGE RATS [J].

JURASKA, JM .

DEVELOPMENTAL BRAIN RESEARCH, 1990, 53 (02) :291-294

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