Four Beta-adrenoceptor subtypes in the mammalian heart
Article Abstract:
A study was conducted to compare the functions and pharmacological properties of the four Beta (B) adrenoceptor subtypes that affect cardiostimulation in several mammalian species. Cardiac B1 and B2 adrenoceptors promote myocardial relaxation and mediate sinoatrial rate, contractile force and arrythmias. The B3 adrenoreceptor controls cardiodepressant effects while the B4 adrenoceptor mediates the the cardiostimulant effects of of nonconventional partial agonists.
Publication Name: Trends in Pharmacological Sciences
Subject: Pharmaceuticals and cosmetics industries
ISSN: 0165-6147
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
Nuclear waste: the Academy and million-year estimates
Article Abstract:
The National Academy of Sciences' report, 'Technical Bases for Yucca Mountain Standards,' affirms the feasibility of million-year performance assessments for a permanent nuclear waste repository at Yucca Mountain, NV, despite a contrary report by peer reviewers. The Dept. of Energy peer reviewers concluded that forecasts of tectonic activity rates, volcanism, and natural resource occurrence and value are doubtful and unquantified.
Publication Name: Quarterly Review of Biology
Subject: Biological sciences
ISSN: 0033-5770
Year: 1996
User Contributions:
Comment about this article or add new information about this topic:
License to collect
Article Abstract:
Collecting license plates is a popular hobby and is international in scope. Issuing license plates began in Bavaria in 1896 and there are now about 295 plate-issuing bodies around the world. Hobbyists try to collect one from each.
Publication Name: Antiques & Collecting Hobbies
Subject: Home and garden
ISSN: 0884-6294
Year: 1993
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: RNA-assisted nuclear transport of the meiotic regulator Mei2p in fission yeast. Molecular mimicry in development: identification of ste11+ as a substrate and mei3+ as a pseudosubstrate inhibitor of ran1+ kinase
- Abstracts: Selector genes and limb identity on arthropods and vertebrates. Axis formation- beta-catenin catches a Wnt
- Abstracts: Preparation of substituted methylarsonic and arsonoacetic acids. Molecular analysis of Physarum haemagglutinin I: lack of a signal sequence, sulphur amino acids and post-translational modifications
- Abstracts: Micrasterias cells as model system for research on morphogenesis. mRNA stability in mammalian cells
- Abstracts: The role of alanine in the acute response of Giardia intestinalis to hypo-osmotic shock