NEUROTENSIN RECEPTORS IN PARKINSONS-DISEASE AND PROGRESSIVE SUPRANUCLEAR PALSY - AN AUTORADIOGRAPHIC STUDY IN BASAL GANGLIA

被引:43
作者
CHINAGLIA, G
PROBST, A
PALACIOS, JM
机构
[1] SANDOZ PHARMA LTD,PRECLIN RES,CH-4002 BASEL,SWITZERLAND
[2] UNIV BASEL,DEPT PATHOL,DIV NEUROPATHOL,CH-4003 BASEL,SWITZERLAND
关键词
D O I
10.1016/0306-4522(90)90273-7
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The technique of receptor autoradiography was used to study the distribution of neurotensin receptors in post mortem brain tissues from patients affected by Parkinson's disease, progressive supranuclear palsy and from age-matched controls. [I-125]Neurotensin was used as ligand. Significant receptor decreases were found in the substantia nigra, both pars compacta and reticulata, and in the putamen in Parkinson's disease and progressive supranuclear palsy. In addition, significant decreases of neurotensin receptors were found in the ventral tegmental area, nucleus accumbens and dorsal part of the caudate head in patients with Parkinson's disease but not in patients with progressive supranuclear palsy, indicating differential involvement of neurotensin receptors in these two neurological disorders. In addition, both in Parkinson's disease and progressive supranuclear palsy the decrement of striatal neurotensin binding sites was less than expected from the reported decrease of dopamine content in this nucleus, suggesting only partial localization of neurotensin receptors on mesostriatal dopaminergic projections.
引用
收藏
页码:351 / 360
页数:10
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