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[The histochemical study of the effects of estrogen on the forebrain cholinergic neurons of fetal female rats transplanted into the anterior eye chamber of adult female rats]. 1993

K Tanaka, and T Tamura, and M Kawashima, and S Ueda, and Y Matsumoto, and M Kawata, and Y Ogino, and T Yamamoto, and H Honjo, and H Okada
Department of Obstetrics, Kyoto Prefectural, University of Medicine, Japan.

In order to clarify the effects of estrogen on cholinergic basal forebrain neurons, a cholinergic neuron in the diagonal band nucleus of the female fetal rat was implanted into the anterior eye chamber of the female adult rat. Some host rats were treated with 2mg estradiol valerate (E2v) injected every 3 days after ovariectomy while others were not 2 and 4 weeks after transplantation, the growth of cholinergic neurons in the graft was studied using acethylcholinesterase (AChE) histochemistry. At 2 weeks after transplantation, AChE positive neurons and fibers were densely distributed in the grafts of E2v treated rats. Also in grafts without E2v treatment, AChE positive neurons and fibers were found in all the grafts although their density was low. At 4 weeks, AChE staining was dense staining observed in both groups. These results indicate that neurotrophic effect of estrogen on the cholinergic basal forebrain neurons.

UI MeSH Term Description Entries
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D004967 Estrogens Compounds that interact with ESTROGEN RECEPTORS in target tissues to bring about the effects similar to those of ESTRADIOL. Estrogens stimulate the female reproductive organs, and the development of secondary female SEX CHARACTERISTICS. Estrogenic chemicals include natural, synthetic, steroidal, or non-steroidal compounds. Estrogen,Estrogen Effect,Estrogen Effects,Estrogen Receptor Agonists,Estrogenic Agents,Estrogenic Compounds,Estrogenic Effect,Estrogenic Effects,Agents, Estrogenic,Agonists, Estrogen Receptor,Compounds, Estrogenic,Effects, Estrogen,Effects, Estrogenic,Receptor Agonists, Estrogen
D005260 Female Females
D006651 Histocytochemistry Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods. Cytochemistry
D000110 Acetylcholinesterase An enzyme that catalyzes the hydrolysis of ACETYLCHOLINE to CHOLINE and acetate. In the CNS, this enzyme plays a role in the function of peripheral neuromuscular junctions. EC 3.1.1.7. Acetylcholine Hydrolase,Acetylthiocholinesterase,Hydrolase, Acetylcholine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000867 Anterior Chamber The space in the eye, filled with aqueous humor, bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a small portion of the ciliary body, the iris, and that part of the crystalline lens which presents through the pupil. (Cline et al., Dictionary of Visual Science, 4th ed, p109) Anterior Chambers,Chamber, Anterior,Chambers, Anterior
D016332 Fetal Tissue Transplantation Transference of fetal tissue between individuals of the same species or between individuals of different species. Grafting, Fetal Tissue,Transplantation, Fetal Tissue,Fetal Tissue Donation,Donation, Fetal Tissue,Donations, Fetal Tissue,Fetal Tissue Donations,Fetal Tissue Grafting,Fetal Tissue Graftings,Fetal Tissue Transplantations,Graftings, Fetal Tissue,Tissue Donation, Fetal,Tissue Donations, Fetal,Tissue Grafting, Fetal,Tissue Graftings, Fetal,Tissue Transplantation, Fetal,Tissue Transplantations, Fetal,Transplantations, Fetal Tissue
D016380 Brain Tissue Transplantation Transference of brain tissue, either from a fetus or from a born individual, between individuals of the same species or between individuals of different species. Grafting, Brain Tissue,Transplantation, Brain Tissue,Brain Tissue Grafting,Brain Tissue Graftings,Brain Tissue Transplantations,Graftings, Brain Tissue,Tissue Grafting, Brain,Tissue Graftings, Brain,Tissue Transplantation, Brain,Tissue Transplantations, Brain,Transplantations, Brain Tissue

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