Abstract：
:The mechanisms of NMDA-evoked transmitter release are still not clear. We demonstrate for the first time that NMDA-evoked acetylcholine release is depressed by endogenous liberated adenosine in functionally-hypoxic and non-hypoxic brain slices. Adenosine deaminase potentiates the release of 3H-acetylcholine from rat striatum slices in response to N-Methyl-D-Aspartate (NMDA) stimulation, whereas (-)-R-phenylisopropyl-adenosine (R-PIA) decreases the NMDA-evoked transmitter release. The NMDA-evoked transmitter release is potentiated by 8-cyclopentyl-1,3-dipropylxanthine (DPCPX) only in adenosine depleted slices. The increase of extraneuronal adenosine by dipyridamole also depresses the presynaptic transmitter release. Our results indicate: (i) that stimulation of NMDA-receptors induces a complex neuronal response, e.g., release of acetylcholine and release of adenosine, (ii) that adenosine induces an agonist high affinity conformation of the A1-receptors which apparently are insensitive to an A1-adenosine receptor-antagonist (DPCPX) and (iii) that brain slices 0.5 mm thick can serve as an experimental model for testing antihypoxic substances.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Porsche E,Schwan Tdoi
10.1007/978-1-4684-5907-4_20subject
Has Abstractpub_date
1991-01-01 00:00:00pages
241-8eissn
0065-2598issn
2214-8019journal_volume
287pub_type
杂志文章abstract：:Vitamin A is metabolized to several biologically active compounds, the best known of which is retinoic acid. This compound has been shown to inhibit the growth of a variety of tumor cells and to induce a more differentiated phenotype in several tumor types. Vitamin D is metabolized to the active compound 1,25-dihydrox...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4899-0949-7_1
更新日期：1995-01-01 00:00:00
abstract：:The effects of sensory stimulation on the release of amino acids from sensori-motor and visual cortices have been studied using a superfusion technique. Electrical stimulation of the brachial plexus contra-lateral to the superfusion cannula increased significantly the release of glutamate and glutamine from the sensor...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4899-5199-1_15
更新日期：1979-01-01 00:00:00
abstract：:The integrity of the intestinal mucosa depends on a functional coordination of the epithelium, lumenal microorganisms, and the local immune system. The mammalian immune system is superbly organized for innate and adaptive recognition of microbial antigens, a defensive capacity that must be balanced against the tissue ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/0-387-33778-4_13
更新日期：2006-01-01 00:00:00
abstract：:A kininogenase resembling glandular kallikrein was partially purified from vascular tissue and characterized. Saline perfused rat tail arteries and veins were homogenized in 0.25 M sucrose containing 10 mM Tris-HCl (pH 7.4). The homogenate was centrifuged at 105,000 X g for 60 min and a vascular kininogenase was purif...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-5143-6_2
更新日期：1986-01-01 00:00:00
abstract：:A novel method for hand movement pattern recognition from electromyography (EMG) biological signals is proposed. These signals are recorded by a three-channel data acquisition system using surface electrodes placed over the forearm, and then processed to recognize five hand movements: opening, closing, supination, fle...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4419-7046-6_20
更新日期：2011-01-01 00:00:00
abstract：:Osteoblasts and chondrocytes, which derive from a common mesenchymal precursor (osteochondroprogenitor), are involved in bone formation and remodeling in vivo. Determination of osteochondroprogenitor fate is under the control of complex hormonal and local factors converging onto a series of temporospatial dependent tr...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-0-387-34133-0_28
更新日期：2006-01-01 00:00:00
abstract：:The present study shows for the first time, the response in active and passive forces of skeletal muscles to tourniquet ischemia. These responses were shown for both fast and slow twitch muscle types in the same rat hindlimb. Our data agrees partially with metabolic studies on ischemic skeletal muscles. The difference...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-3362-7_40
更新日期：1992-01-01 00:00:00
abstract：:Fifty-eight semicarbazone and pyrazole derivatives of curcumin have been developed as potential mitigation agents to treat acute radiation syndrome (ARS). Pyridyl (D12, D13), furyl (D56), and phenyl (D68) derivatives of curcumin semi-carbazones were found to provide the highest dose modifying factors (DMF) with respec...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4419-7756-4_39
更新日期：2011-01-01 00:00:00
abstract：:Gastric polyps occur in 1-4 % of patients undergoing gastroscopy. Although most are sporadic, some gastric polyps are part of an underlying hereditary syndrome. Gastric polyps can be seen in each of the well-known gastrointestinal polyposis syndromes, but also in Lynch syndrome and in several rare not primarily gastro...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-41388-4_17
更新日期：2016-01-01 00:00:00
abstract：:In summary, we have demonstrated that the ocular surface epithelia express at least three mucin genes. We suggest that the gel-forming mucin MUC5AC is a major mucin forming the mucus gel of the tear film. We further suggest that MUC1 facilitates the spread of the MUC5-containing mucus on the ocular surface and, along ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4615-5359-5_32
更新日期：1998-01-01 00:00:00
abstract：:Most chemical exposures involve complex mixtures. The role of paraoxonase 1 (PON1) and the Q192R polymorphism in the detoxication of individual organophosphorous (OP) compounds has been well-established. The extent to which PON1 protects against a given OP is determined by its catalytic efficiency. We used a humanized...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-60761-350-3_6
更新日期：2010-01-01 00:00:00
abstract：:In the past decades, there has been increased awareness that mechanical properties of tissues and cells are closely associated with disease physiology and pathology. Recognizing this importance, Brillouin spectroscopy instrumentation, already utilized in physics and material science, has been adopted for cell and tiss...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-95294-9_16
更新日期：2018-01-01 00:00:00
abstract：:Nanomaterials are invading our environment due to their increasing use in a very broad range of sectors making human exposure foreseeable during the life cycle of these materials. Inhalation is one of the most frequent routes of exposure in case of unintentional exposure and the small size of nanomaterials allows them...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-72041-8_2
更新日期：2018-01-01 00:00:00
abstract：:Benign acute childhood myositis (BACM) is a syndrome classically occurring in children during the convalescent phase from a febrile upper respiratory tract infection, most commonly after influenza B. BACM can cause difficulty walking due to severe calf pain. Laboratory results show increased serum creatinine kinase an...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/5584_2017_79
更新日期：2018-01-01 00:00:00
abstract：:We investigated, with use of a technique of feedback analysis, the dynamic changes in and around the renin-angiotensin system in vivo induced by ACE inhibition. Prolonged studies were performed over a half year on rabbits, which were treated by daily injections of saline or one of the inhibitors as follows: captopril,...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-9543-4_27
更新日期：1989-01-01 00:00:00
abstract：:RNA granules are microscopically visible cellular structures that aggregate by protein-protein and protein-RNA interactions. Using stress granules as an example, we discuss the principles of RNA granule formation, which rely on the multivalency of RNA and multi-domain proteins as well as low-affinity interactions betw...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-3-319-29073-7_11
更新日期：2016-01-01 00:00:00
abstract：:Studies on the gonadotrophin-responsive adenylyl cyclase (AC) system of rabbit and porcine ovarian follicles reveal that hCG or LH-induced desensitization of the AC system can be divided into two phases: an initial, LH-specific phase and a second phase which is not specific for LH. The first phase occurs within the fi...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-3474-3_3
更新日期：1979-01-01 00:00:00
abstract：:This chapter explores the concepts, processes, tools and challenges relating to the validation of alternative methods for toxicity and safety testing. In general terms, validation is the process of assessing the appropriateness and usefulness of a tool for its intended purpose. Validation is routinely used in various ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-33826-2_4
更新日期：2016-01-01 00:00:00
abstract：:Monocytes/macrophages are highly involved in the process of renal injury, repair and fibrosis in many aspects of experimental and human renal diseases. Monocyte-derived macrophages, characterized by high heterogeneity and plasticity, are recruited, activated, and polarized in the whole process of renal fibrotic diseas...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-981-13-8871-2_13
更新日期：2019-01-01 00:00:00
abstract：:Psychiatric disorders such as addiction (substance use and addictive disorders), depression, eating disorders, schizophrenia, and post-traumatic stress disorder (PTSD) are severe, complex, multifactorial mental disorders that carry a high social impact, enormous public health costs, and various comorbidities as well a...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-981-32-9721-0_4
更新日期：2019-01-01 00:00:00
abstract：:The selective translation of maternal mRNAs encoding cell-fate determinants drives the earliest decisions of embryogenesis that establish the vertebrate body plan. This chapter will discuss studies in Xenopus laevis that provide insights into mechanisms underlying this translational control. Xenopus has been a powerfu...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-46095-6_2
更新日期：2017-01-01 00:00:00
abstract：:As a new member of persistent organic pollutants, the potent neurotoxicity of perfluorooctane sulfonates (PFOS) found in epidemiological studies and laboratory research has drawn increasing attention around the world. Previous studies showed that apoptosis driven by oxidative stress and autophagy were both observed in...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-94-024-1079-2_72
更新日期：2017-01-01 00:00:00
abstract：:Anti-coagulant proteins are essential to maintain blood hemostatis for the supply of oxygen and nutrients to tissue cells and for the removal of toxic by-products from metabolism. Hereditary or acquired deficiencies of Protein C, Protein S, or Antithrombin III can lead to disease states such as deep vein thrombosis (D...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-0-387-71764-7_1
更新日期：2007-01-01 00:00:00
abstract：:Three novel trisialogangliosides of fish brain, GT3, GT2 and GT1c, have been isolated in their intact forms and their structures characterized. The discovery of these ganglioside species provides essential links for a new possible biosynthetic pathway leading to the major tetrasialoganglioside, GQ1c, of the fish brain...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-7844-0_5
更新日期：1980-01-01 00:00:00
abstract：:The data presented in this paper support a common source for intestinal mast cells in intestinal mucosae. IMC precursors and/or mastocytopoietic factors of as yet unknown origin could be transferred by immune mesenteric lymph node (IMLN) cells of thymus-bearing mice. The differentiated locally or induced mastocytopoie...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-9066-4_67
更新日期：1982-01-01 00:00:00
abstract：:A common characteristic among fungal pathogens of plants is that each specializes on a narrow range of specific plants as hosts. One adaptation to a specific host plant is the recognition of the host's chemicals which can be used to trigger genes or developmental pathways needed for pathogenesis. The production of cha...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4757-5235-9_2
更新日期：2002-01-01 00:00:00
abstract：:Sprouting has been studied extensively using morphological markers, but relatively little is known regarding the molecular and biochemical events which underlie the sprouting response. Moreover, due to the lack of suitable markers, it has been difficult to examine changes in the major hippocampal pathways in animal le...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4684-5769-8_47
更新日期：1990-01-01 00:00:00
abstract：:Although prevalence estimates are imprecise, growing numbers of women in the United States are living longer with metastatic breast cancer, attributable at least in part to the availability of effective targeted therapies. Women living with metastatic disease are understudied, however, and substantial heterogeneity ex...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-3-319-16366-6_16
更新日期：2015-01-01 00:00:00
abstract：:Amyotrophic lateral sclerosis (ALS) is one of the major forms of motor neuron disease (MND), a group of degenerative disorders causing progressive motor neuron death leading to eventual paralysis and death. The pathogenesis of MND is poorly understood and may include genetic and/or environmental factors, with a common...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：
更新日期：2008-01-01 00:00:00
abstract：:Lower back pain is a common disorder that often requires bony spinal fusion for long-term relief. Current arthrodesis procedures use bone grafts from autogenous bone, allogenic backed bone or synthetic materials. Autogenous bone grafts can result in donor site morbidity and pain at the donor site, while allogenic back...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4614-4090-1_11
更新日期：2012-01-01 00:00:00
