Abstract：
:Catecholamine secretion in the bovine adrenal medulla is evoked largely by nicotinic receptor activation. However, bovine adrenal medulla also contain muscarinic receptors that mediate several cell responses. To understand the physiological role of muscarinic receptors in the bovine adrenal medulla it is important to identify the pharmacological subtypes present in this tissue. For this, we analyzed the abilities of different selective muscarinic antagonists in displacing the binding of the non-selective antagonist [3H] quinuclidinyl benzylate to an enriched plasma membrane fraction prepared from bovine adrenal medulla. All the selective antagonists bind at least two bindings sites with different affinities. The binding profile of the sites with high proportion is similar to the M2 subtype and those present in low proportion have a M1 profile. However, some variation in the proportion of the sites for the different ligands suggest the presence of the third pharmacological subtype (M3). We conclude that the sites in high proportion (60-80%) correspond to M2 muscarinic subtypes, and the rest is constituted by M1 plus M3 subtypes. The presence of multiplicity of subtypes in the adrenal medulla membranes suggests a diversity of functions of muscarinic receptors in the adrenal gland.
journal_name
Neurochem Resjournal_title
Neurochemical researchauthors
Aguilar JS,Ballesta JJ,Reig JA,Palmero M,Viniegra S,Criado Mdoi
10.1007/BF00968406keywords:
subject
Has Abstractpub_date
1992-12-01 00:00:00pages
1235-9issue
12eissn
0364-3190issn
1573-6903journal_volume
17pub_type
杂志文章abstract：:It is thought that changes in gene expression in the brain mediate chronic ethanol-induced complex behaviors such as tolerance, dependence, and sensitization, and also relate to ethanol-induced brain toxicity. Using high-density filter-based cDNA microarrays (GeneFilters), we analyzed the expression of over 5000 genes...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1020937728506
更新日期：2002-10-01 00:00:00
abstract：:Calcium-naive synaptosomes were used to assess the effects of divalent cations on [3H]acetylcholine release from rat hippocampal homogenates. Following equilibration with calcium-free buffer (containing 10 microM EGTA), calcium reversibly increased [3H]acetylcholine efflux (up to five-fold) while causing no measurable...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00966598
更新日期：1991-10-01 00:00:00
abstract：:The cerebellar cortical circuit of mammals develops via a series of magnificent cellular events in the postnatal stage of development to accomplish the formation of functional circuit architectures. The contribution of genetic factors is thought to be crucial to cerebellar development. Therefore, it is essential to an...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-011-0398-1
更新日期：2011-07-01 00:00:00
abstract：:This article puts forward the hypothesis that the Low Density Lipid Receptor (LDLR) is one of the molecules that is involved in the clearance of amyloid proteins in the brain and that it may play a role in Alzheimer's Disease (AD) via its up-regulation by statins. The hypothesis is built on the following observations:...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-006-9084-0
更新日期：2006-06-01 00:00:00
abstract：:Apoptotic cell death pathways have been implicated in acute brain injuries, including cerebral ischemia, brain trauma, and spinal cord injury, and in chronic neurodegenerative diseases. Experimental ischemia and reperfusion models, such as transient focal/global ischemia in rodents, have been thoroughly studied and su...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-004-6869-x
更新日期：2004-11-01 00:00:00
abstract：:Glutamate dehydrogenase (GDH) is a homohexameric enzyme that catalyzes the reversible oxidative deamination of L-glutamate to 2-oxoglutarate. Only in the animal kingdom is this enzyme heavily allosterically regulated by a wide array of metabolites. The major activators are ADP and leucine and inhibitors include GTP, p...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-013-1173-2
更新日期：2014-01-01 00:00:00
abstract：:Endogenous and xenobiotic sulphur-containing convulsant and non-convulsant compounds containing structural moieties of, or bearing a structural resemblance to, GABA and homocysteine were tested in binding studies for their potency in displacing the GABA-mimetic [3H]muscimol from specific, high-affinity sites (Kd = 3.6...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00971006
更新日期：1987-07-01 00:00:00
abstract：:The secretion of fluid and electrolytes by salivary gland acinar cells requires the coordinated regulation of multiple ion channel and transporter proteins, signaling components, and water transport. Importantly, neurotransmitter stimulated increase in the cytosolic free [Ca(2+)] ([Ca(2+)](i)) is critical for the regu...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-011-0465-7
更新日期：2011-07-01 00:00:00
abstract：:The preventive effect of dietary taurine supplementation on glial alterations in retina of streptozotocin-induced diabetic rats was examined in this study. Blood glucose content, content of taurine, glutamate and
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-008-9763-0
更新日期：2009-02-01 00:00:00
abstract：:It has been reported that electrical stimulation (ES) can promote nerve regeneration. One of the key factors leading to the promotion is calcium, which plays a vital role in the regulation on electrical activity of neurons, but the detailed mechanism is still an open question. In this study, ES was used to stimulate c...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-013-1197-7
更新日期：2014-01-01 00:00:00
abstract：:Omega-conotoxin GVIA (omega-CTX), as a selective blocker for an N-type Ca2+ channel, has been conveniently used in many molecular biochemical and pharmacological experiments. There has been little elucidation of 125I-omega-CTX binding sites (mainly the 135-kDa band) in the crude membranes from chick brain, although th...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1022805615926
更新日期：2003-05-01 00:00:00
abstract：:Brains of Alzheimer disease patients in early stages of dementia contain an increased 24(S)-hydroxycholesterol (cerebrosterol)/cholesterol ratio when compared to controls. In this study, effects of amyloid beta peptides and of racemic 24-hydroxycholesterol were evaluated in vitro on undepleted or cholesterol-depleted ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-007-9443-5
更新日期：2008-03-01 00:00:00
abstract：:The activation of caspase-3 is considered to be a reliable marker for apoptotic cell death, and a 120-kDa fragment of αII-spectrin is generated by caspase-3 mediated cleavage of this structural protein. In the present study, we compared cleaved αII-spectrin (120-kDa) and cleaved caspase-3-immunoreactive cells and thei...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-011-0633-9
更新日期：2012-03-01 00:00:00
abstract：:It is an honour to have this opportunity write an article in recognition of the immense contributions of Bruce Ransom to the field of glial research. For me (BAM) personally there are many highlights both as a colleague and a friend that come to mind when I reflect on the many years that I have known Bruce. My own ent...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-017-2315-8
更新日期：2017-09-01 00:00:00
abstract：:Intrauterine growth restricted (IUGR) infants are at increased risk for neurodevelopmental deficits that suggest the hippocampus and cerebral cortex may be particularly vulnerable. Evaluate regional neurochemical profiles in IUGR and normally grown (NG) 7-day old rat pups using in vivo 1H magnetic resonance (MR) spect...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-015-1609-y
更新日期：2017-01-01 00:00:00
abstract：:The central control of growth hormone (GH) secretion from the pituitary gland is ultimately achieved by the interaction between two hypothalamic neurohormones, somatostatin which inhibits and growth hormone-releasing hormone (GHRH) which stimulates GH release. The regulation of the somatostatin and GHRH release from t...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-005-9017-3
更新日期：2006-02-01 00:00:00
abstract：:Phosphate activated glutaminase (PAG) was assayed in whole homogenate and synaptosomes of cerebral cortex from normal or fasted for 120 h rats. The specific activity (s.a.) of PAG was found diminished by 25% in the whole homogenate from the fasted animals compared to the normal. On the contrary, fasting did not affect...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00965830
更新日期：1991-01-01 00:00:00
abstract：:Mutations in genes for Alzheimer's disease (AD) result in a modulating of gene expressions in the brains of patients with AD. The aim of this study was to identify genes whose expression is modulated due to the over-expression of human mutant presenilin-2 (N141I) (hPS2m) in transgenic mice, which has previously been p...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-005-6787-6
更新日期：2005-08-01 00:00:00
abstract：:The antibodies against omega-conotoxin GVIA (omega-CTX GVIA; N-type voltage-dependent calcium channel [VDCC] blocker) and B1Nt (N-terminal segment [residues 1-13] of BI alpha1 subunits of VDCCs) were prepared, and the selectivity for each antigen omega-CTX GVIA and B1Nt was investigated. For the antigen selectivity of...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1023208103438
更新日期：2003-06-01 00:00:00
abstract：:Autoantibodies to three eukaryotic 60S ribosomal phosphoproteins P0, P1 and P2 have been found in the sera of 10-20% of patients with systemic lupus erythematosus (SLE). These antibodies inhibit protein synthesis in vitro and when microinjected into cultured human fibroblasts. The three proteins share a common epitope...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00969925
更新日期：1990-04-01 00:00:00
abstract：:Ellagic acid (EA, 2,3,7,8-tetrahydroxy-chromeno; C14H6O8) is a polyphenol derived from fruits (pomegranates, berries) and nuts. EA exhibits antioxidant capacity and induces anti-inflammatory actions in several mammalian tissues. EA has been characterized as a possible neuroprotective agent, but the number of reports i...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-016-1853-9
更新日期：2016-06-01 00:00:00
abstract：:The effects of 100microg melatonin injection at postnatal day 5 (PD 5) on the development of the central serotonergic systems in male and female rats were investigated. The contents of serotonin (5-HT) and 5-hydroxy-3-indolacetic acid (5-HIAA) were measured in several extrahypothalamic regions at 3, 10 and 42 weeks of...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1007517524179
更新日期：2000-06-01 00:00:00
abstract：:We analyzed two disease model groups with rats infected by Japanese encephalitis virus (JEV), a 90-day group and a 180-day group after JEV infection. The time measured by the modified pole test showed that motor activities in these two groups were slower than those of age-matched control groups. Striatal dopamine (DA)...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-006-9197-5
更新日期：2006-12-01 00:00:00
abstract：:Glycogen is the main storage form of glucose in the brain. In contrast with previous beliefs, brain glycogen has recently been shown to play important roles in several brain functions. A fraction of metabolized glucose molecules are being shunted through glycogen before reentering the glycolytic pathway, a phenomenon ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-017-2267-z
更新日期：2017-09-01 00:00:00
abstract：:Age-related increase of reactive oxygen species (ROS) is particularly detrimental in postmitotic tissues. Calorie restriction (CR) has been shown to exert beneficial effects, consistent with reduced ROS generation by mitochondria. Many antioxidant compounds also mimic such effects. N-acetyl cysteine (NAC) provides thi...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-005-6867-7
更新日期：2005-06-01 00:00:00
abstract：:The characteristics and properties of the increase in cytosolic [Ca2+] that occurs in bovine adrenal medullary chromaffin cells on exposure to angiotensin 11 have been investigated. In fura-2 loaded cells exposure to a maximally effective concentration of angiotensin II (100 nM) caused a rapid, but transient increase ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1024987128090
更新日期：2003-09-01 00:00:00
abstract：:Incubation of membranes derived from sarcotubular system of rabbit skeletal muscle with increasing concentrations of Triton X-100 produced both stimulation of the AChE activity and solubilization of this enzyme. Mild proteolytic treatment of microsomal membranes produced a several fold activation of the still membrane...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00969639
更新日期：1989-02-01 00:00:00
abstract：:A double ligand enzyme-linked immunosorbent assay (ELISA) has been developed to detect antibodies against brain tissue antigens in the sera of patients with neurological diseases. The sera were tested on human white matter homogenate. The technique consists of successive incubations with the human serum to be tested, ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00964651
更新日期：1985-04-01 00:00:00
abstract：:The real-time iontophoretic method has measured volume fraction and tortuosity of the interstitial component of extracellular space in many regions and under different conditions. To interpret these data computer models of the interstitial space (ISS) of the brain are constructed by representing cells as Basic Cellula...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-019-02793-6
更新日期：2020-01-01 00:00:00
abstract：:Myelinating cells of both the peripheral and central nervous systems (CNSs) undergo dramatic cytoskeletal reorganization in order to differentiate and produce myelin. Myelinating oligodendrocytes in the CNS show a periodic actin pattern, demonstrating tight regulation of actin. Furthermore, recent data demonstrate tha...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-019-02753-0
更新日期：2020-03-01 00:00:00
