Abstract:
:Bombesin/gastrin-releasing peptide (BB/GRP) receptors were characterized in fetal cortex transplants in the rat. Using in vitro autoradiography techniques, the density of (125I-Tyr4)BB grains was low 2 weeks after transplantation but increased 4 weeks after cortex transplantation into the adult rat fourth ventricle. Densitometry analysis of the autoradiograms indicated that (125I-Tyr4)BB bound with high affinity (Kd = 5 nM) to a single class of sites in the transplant tissue. Specific (125I-Tyr4)BB binding was inhibited with high affinity by (Tyr4)BB but not by NMB (IC50 values of 3 and 100 nM, respectively). These data suggest that GRP may act as a novel growth factor and play a regulatory role in the development of fetal cortex transplants.
journal_name
Exp Neuroljournal_title
Experimental neurologyauthors
Moody TW,Getz R,Rosenstein JMdoi
10.1006/exnr.1996.0190subject
Has Abstractpub_date
1996-11-01 00:00:00pages
195-201issue
1eissn
0014-4886issn
1090-2430pii
S0014-4886(96)90190-9journal_volume
142pub_type
杂志文章abstract::The threshold current required for the excitation of visual cortex neurons in the vicinity (approximately 1 mm) of an intracortical stimulating electrode was measured as a function of the stimulus pulse duration in the anesthetized cat. For cortical neurons with latencies of activation from 0.4 to 3.4 ms and for stimu...
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journal_title:Experimental neurology
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pub_type: 杂志文章
doi:10.1016/0014-4886(91)90128-y
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journal_title:Experimental neurology
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journal_title:Experimental neurology
pub_type: 杂志文章
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更新日期:1998-01-01 00:00:00
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journal_title:Experimental neurology
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