Do all of human midbrain tyrosine hydroxylase neurons synthesize dopamine?

Do all of human midbrain tyrosine hydroxylase neurons synthesize dopamine?
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DOI:
10.1016/s0006-8993(98)00661-1
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发表时间:
1998-09-14
期刊:
影响因子:
2.9
通讯作者:
Arai, R
Arai, R
中科院分区:
医学3区
文献类型:
--
作者:
Ikemoto, K;Nagatsu, I;Arai, R

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我们使用 TH 和芳香族 L-氨基酸脱羧酶 (AADC) 的双标记免疫组织化学技术检查了是否所有人中脑酪氨酸羟化酶 (TH) 神经元都大量合成多巴胺 (DA)。在黑质中,除了许多对 TH 和 AADC 进行双重染色的神经元外,神经元仅对 TH 和 AADC 进行染色(D 神经元 [C.B. Jaeger、D.A. Ruggiero、V.R. Albert、T.H. Joh、D.J. Reis,芳香族 L-氨基酸脱羧酶的免疫细胞化学定位,见:A. Bjorklund、T. Hokfelt(编辑),手册)化学神经解剖学,中枢神经系统中的经典递质,第 2 卷,第 1 部分,爱思唯尔,阿姆斯特丹,1984 年,第 387-408 页。]) 被识别。在腹侧被盖区,发现了双重标记的神经元和仅 TH 阳性的神经元。表明中脑TH神经元的数量并不能准确反映DA神经元的数量。 (C) 1998 Elsevier Science B.V. 保留所有权利。
We examined whether all of human midbrain tyrosine hydroxylase (TH) neurons substantially synthesize dopamine (DA) using dual labeling immunohistochemical technique of TH and aromatic L-amino acid decarboxylase (AADC). In the substantia nigra, besides many neurons doubly stained for TH and AADC, neurons stained only for TH and only for AADC (D-neurons [C.B. Jaeger, D.A. Ruggiero, V.R. Albert, T.H. Joh, D.J. Reis, Immunocytochemical localization of aromatic L-amino acid decarboxylase, in: A. Bjorklund, T. Hokfelt (Eds.), Handbook of Chemical Neuroanatomy, Classical Transmitters in the CNS, Vol. 2, Part 1, Elsevier, Amsterdam, 1984, pp. 387-408.]) were identified. In the ventral tegmental area, dually labeled neurons and TH-only-positive neurons were found. It is indicated that the number of midbrain TH neurons does not reflect the exact number of DA neurons. (C) 1998 Elsevier Science B.V. All rights reserved.