作者: concubine 時(shí)間: 2025-3-21 23:39
Questions Raised by the Electron Microscopic Localization of Acetylcholinesterase and Butyrylcholinened solely to the preganglionic fibers and their terminals. Staining for BuChE was intense throughout the neuropil and completely absent from the perikaya of the ganglion cells; following denervation, there was only a slight decrease in the intensity of staining. From these and related findings (1,2作者: 幼稚 時(shí)間: 2025-3-22 04:25 作者: Somber 時(shí)間: 2025-3-22 08:05 作者: Parley 時(shí)間: 2025-3-22 09:04
Kinetic Studies on the Release of [3H]-Acetylcholine from Guinea Pig Myenteric Plexus: Difference inof mechanical activity induced by stimulation. To overcome this problem, the method developed for measuring labelled ACh release from brain slices in the absence of Cholinesterase inhibitors (13) was adapted for the myenteric plexus-longitudinal muscle preparation. After labelling part of the ACh st作者: micronutrients 時(shí)間: 2025-3-22 16:32
0099-6246 lation of acetylcholine synthesis, release, post- synaptic, electrical and trophic effects in the peripheral chol- inergic synapses including ganglia, neuromusc978-1-4684-8645-2978-1-4684-8643-8Series ISSN 0099-6246 作者: micronutrients 時(shí)間: 2025-3-22 18:39 作者: 昏暗 時(shí)間: 2025-3-22 22:42 作者: insipid 時(shí)間: 2025-3-23 03:40
https://doi.org/10.1007/978-3-663-13098-7tinuously modified by a number of factors, including the amount of co-transmitter that is released from the nerve terminals together with the primary transmitter (5,6) and 2) it appears that the co-existence of a primary transmitter with a given co-transmitter is not obligatory. For instance, ACh co作者: 昏睡中 時(shí)間: 2025-3-23 08:22
Ellen Haustein,Peter C. Lorson,Horst Zündorf (Ch) on the evoked outflow of labelled ACh in the absence of a Cholinesterase inhibitor were investigated. The measurement of ACh release from the myenteric plexus without Cholinesterase inhibition was based on the method described by Szerb (11); incubation of the myenteric plexus preparation with 作者: indignant 時(shí)間: 2025-3-23 10:36
https://doi.org/10.1007/978-3-658-21634-4of mechanical activity induced by stimulation. To overcome this problem, the method developed for measuring labelled ACh release from brain slices in the absence of Cholinesterase inhibitors (13) was adapted for the myenteric plexus-longitudinal muscle preparation. After labelling part of the ACh st作者: 細(xì)胞學(xué) 時(shí)間: 2025-3-23 14:45
Book 1981ns on acetylcholine. They open with an extensive coverage of the developmental and phylogenetic aspects of the cholinergic neurons. The regulation of acetylcholine synthesis, release, post- synaptic, electrical and trophic effects in the peripheral chol- inergic synapses including ganglia, neuromusc作者: 直言不諱 時(shí)間: 2025-3-23 20:01
Adolf G. Coenenberg,Christian Finknd Fatt and Katz for acetylcholine (ACh) (16). Another hypothesis is that the transmitter is released from the cytoplasm (7,13,27,28,38,39). However, none of them can explain how transmitters cross the membrane and what kind of membrane mechanism operates to make the membrane permeable to the transmitters.作者: 奴才 時(shí)間: 2025-3-23 23:44 作者: 施加 時(shí)間: 2025-3-24 03:41
https://doi.org/10.1007/978-3-540-85375-6 (1). They found CAT to be highly antigenic and claimed that their antisera were monospecific. However, only 50% of the enzyme activity was inactivated by the antisera. Some discrepancies wre also observed regarding the physicochemical properties of CAT (for review, see Ref. 7).作者: obsession 時(shí)間: 2025-3-24 08:45 作者: 可互換 時(shí)間: 2025-3-24 13:40
Unternehmenswert und Verschuldungsgradobtained with homogenates (9,16). On the other hand, it could be that the .. synaptic activity of ChE, the “functional activity,” of the enzyme, is severely distorted by hindred diffusion, when it is measured with exogenous substrates on intact tissue.作者: 藐視 時(shí)間: 2025-3-24 18:28
Choline Uptake and Choline Acetyltransferase in Brain of Developing Rats made Hypothyroid with Propyin immature cortex. This interpretation was supported by an earlier observation of decreases during development in the concentration of Ch in rat brain, albeit of whole brain, concurrent with increases in ChAT activity (12).作者: OWL 時(shí)間: 2025-3-24 21:26 作者: epicondylitis 時(shí)間: 2025-3-25 01:24
Multiple Mechanisms in Ganglionic Transmissionofluorescent techniques have demonstrated the presence of various peptides, such as substance P or a related peptide, and enkephalins or enkephalin-like substances, in peripheral media (cf. 28). We present here some of our findings indicating that substance P and enkephalins may indeed participate in ganglionic transmission.作者: GEON 時(shí)間: 2025-3-25 04:59 作者: Prostaglandins 時(shí)間: 2025-3-25 11:01
Na+?K+-Activated ATPase and Non-Quantal/Cytoplasmic Release of Acetylcholinend Fatt and Katz for acetylcholine (ACh) (16). Another hypothesis is that the transmitter is released from the cytoplasm (7,13,27,28,38,39). However, none of them can explain how transmitters cross the membrane and what kind of membrane mechanism operates to make the membrane permeable to the transmitters.作者: nocturia 時(shí)間: 2025-3-25 13:32 作者: affinity 時(shí)間: 2025-3-25 16:30 作者: enormous 時(shí)間: 2025-3-25 20:37 作者: Nonflammable 時(shí)間: 2025-3-26 03:45
https://doi.org/10.1007/978-3-540-85375-6 exerted is not known with any certainty (see reviews, 23,36). The present work concerns the role played by choline (Ch) delivery into the nerve terminal in this process of ACh synthesis regulation; it is a direct extension of the work reported in the proceedings of the previous meeting (10).作者: Iniquitous 時(shí)間: 2025-3-26 08:21
Patrick Velte,Stefan C. Weber,Thies Lentfernd, its mechanism of action is still not clear, despite the fact that much evidence on the mode of action of this venom at vertebrate neuromuscular junctions has been collected in recent years (5). Some insight into this problem was furnished by previous investigations on the rat sympathetic ganglion (13,14).作者: 供過于求 時(shí)間: 2025-3-26 11:24
Aging of Cholinergic Synapses in the Peripheral Autonomic Nervous Systemervous system. Although there seems to be a general tendency toward a decrease in several neurochemical parameters such as enzyme activity (13,19,43), receptor binding (31), or neurotransmitter levels (cf. 23,26), the results are sometimes contradictory.作者: Pde5-Inhibitors 時(shí)間: 2025-3-26 12:58 作者: 陳腐思想 時(shí)間: 2025-3-26 18:36 作者: GOAD 時(shí)間: 2025-3-26 21:10 作者: 衰弱的心 時(shí)間: 2025-3-27 05:03
Book 1981 of acetylcholine, the oldest of the known neurotransmitters. To assess the level of knowledge, to take stock of the still unsolved problems, to evaluate the practical meaning of their findings, the cholinologists first met in 1969 in the eerie atmosphere of a snow-covered Swedish forest, the second作者: 丑惡 時(shí)間: 2025-3-27 09:10
https://doi.org/10.33283/978-3-86298-636-1gions of 27 vertebrates, in most of which all three components (ACh, Chat and AChE) were determined. In the selection of species to be studied efforts were made to cover the main lines of vertebrate evolution, which are indicated in Fig. 1.作者: Ordnance 時(shí)間: 2025-3-27 09:37 作者: 純樸 時(shí)間: 2025-3-27 14:51
The Regional Distribution of Acetylcholine, Cholinacetyltransferase, and Acetylcholinesterase in Vergions of 27 vertebrates, in most of which all three components (ACh, Chat and AChE) were determined. In the selection of species to be studied efforts were made to cover the main lines of vertebrate evolution, which are indicated in Fig. 1.作者: Promotion 時(shí)間: 2025-3-27 18:11
PGE1-Induced cAMP Biosynthesis in the Superior Cervical Ganglion of Different Animal Species antagonist reducing the amplitude of the slow IPSP extracellularly recorded from isolated ganglion preparations. Since DA was supposed to increase cAMP levels via activation of adenylate cyclase, PGE. would exert an inhibitory action on this enzyme.作者: 藥物 時(shí)間: 2025-3-28 01:12
Cholinergic Mechanisms978-1-4684-8643-8Series ISSN 0099-6246 作者: Rodent 時(shí)間: 2025-3-28 03:51 作者: 冰河期 時(shí)間: 2025-3-28 08:42 作者: Anal-Canal 時(shí)間: 2025-3-28 13:20 作者: 匍匐前進(jìn) 時(shí)間: 2025-3-28 18:34
Morphological Analysis of Chick Embryo Heart Developmentes, and in the presence of neural crest cells, exert an inductive influence on the determination of myoblasts (2). A determinant neural influence is also accepted with regard to other muscular structures of non-somitic origin, such as the intrinsic eye muscles. This, indeed, may be felt even earlier than the present evidence shows.作者: 約會(huì) 時(shí)間: 2025-3-28 18:55
Acetylcholine Metabolism in PC12, A Clonal Cell Line on Secretory Cellsfferent granules and exhibit a Ca.-sensitive, depolarization-induced secretion of each (8,9,15,19). These properties make it possible to compare the metabolism and granular storage of two different transmitters produced by the same secretory cell. In this paper we summarize our use of PC12 cells for such studies, with the emphasis being on ACh.作者: Trabeculoplasty 時(shí)間: 2025-3-28 23:14 作者: tangle 時(shí)間: 2025-3-29 06:55
https://doi.org/10.1007/978-1-4684-8643-8Foam; atmosphere; brain; cortex; development; forest; neurotransmitter; paper; receptor; regulation; synthesis作者: 裙帶關(guān)系 時(shí)間: 2025-3-29 09:22 作者: 構(gòu)想 時(shí)間: 2025-3-29 12:06
https://doi.org/10.1007/978-3-322-83649-6mical modifications. On a chronological scale, synaptogenesis occurs not only during part of the embryonic phase but also during the period following birth or hatching. Recent studies have shown that in the avian peripheral nervous system the process of synaptic growth may continue throughout adult 作者: quiet-sleep 時(shí)間: 2025-3-29 19:03
https://doi.org/10.1007/978-3-322-89126-6 synapses in the nervous system. The majority of data reported in the literature refer to the central nervous system (CNS) and not to the peripheral nervous system. Although there seems to be a general tendency toward a decrease in several neurochemical parameters such as enzyme activity (13,19,43),作者: Outspoken 時(shí)間: 2025-3-29 23:27
Problemstellung und Aufbau der Arbeit, microscope (1,12,18) relatively little had been done with modern techniques with this important model cholinergic system until recently, when electron microscopic surveys were carried out (7,8,17). These have confirmed the conclusion of the earlier workers that electrocytes develop from vertically 作者: 慢慢沖刷 時(shí)間: 2025-3-30 03:35
https://doi.org/10.33283/978-3-86298-636-1erase (AChE) in the vertebrate brains have been reported by several authors (for reviews see 3,4). Recent observations restricted to the determination of ChAT and AChE in a variety of species can be found in several papers (6,10,13–16). In the present paper an attempt to survey the regional distribu作者: Cytokines 時(shí)間: 2025-3-30 07:58
Das betriebliche Rechnungswesen, to be several days in advance of the development of choline acetyltransferase (ChAT, EC 2.3.1.6) activity, although adult values of both were evident by approximately 24 days of age (17). Of the .H-Ch newly accumulated in small slices of frontal cortex by sodium dependent uptake, a larger fraction 作者: 笨拙的你 時(shí)間: 2025-3-30 11:09
Die Aufgaben der Versicherungsstatistik,es, and in the presence of neural crest cells, exert an inductive influence on the determination of myoblasts (2). A determinant neural influence is also accepted with regard to other muscular structures of non-somitic origin, such as the intrinsic eye muscles. This, indeed, may be felt even earlier作者: epidermis 時(shí)間: 2025-3-30 15:33 作者: Commission 時(shí)間: 2025-3-30 19:21 作者: 觀點(diǎn) 時(shí)間: 2025-3-30 22:29
Rechenschaft und Rechnungslegung pathway of the ganglia, there are several slow synaptic potentials, both excitatory and inhibitory that may serve to modulate the primary transmission; these include slow excitatory and late slow excitatory postsynaptic potentials (s-epsp and ls-epsp respectively) and slow inhibitory postsynaptic p作者: Intact 時(shí)間: 2025-3-31 02:49 作者: FOR 時(shí)間: 2025-3-31 05:53 作者: 強(qiáng)所 時(shí)間: 2025-3-31 10:32
Qualifizierungen der erhaltenen Resultate,fferent granules and exhibit a Ca.-sensitive, depolarization-induced secretion of each (8,9,15,19). These properties make it possible to compare the metabolism and granular storage of two different transmitters produced by the same secretory cell. In this paper we summarize our use of PC12 cells for作者: 使服水土 時(shí)間: 2025-3-31 14:47 作者: 外向者 時(shí)間: 2025-3-31 17:53 作者: 導(dǎo)師 時(shí)間: 2025-4-1 01:35 作者: confide 時(shí)間: 2025-4-1 04:44 作者: 協(xié)迫 時(shí)間: 2025-4-1 09:53
https://doi.org/10.1007/978-3-658-21634-4s for demonstrating the specific effects of opiates on neural function (8). Opiates reduce the contractions produced by low frequency stimulation, decrease the resting release of acetylcholine (ACh) and the release produced by low frequency stimulation but not by high frequency stimulation (11). The作者: 污點(diǎn) 時(shí)間: 2025-4-1 12:34
Adolf G. Coenenberg,Christian Finkt transmitters are packed in vesicles which, after having fused with the membrane of the axon terminal, discharge their contents into the external cleft. The first observation of the location of a transmitter in vesicles at nerve endings dates back to 1952; Blaschko and Welch for noradrenaline (7) a
