Biomaterial Database

Effects of gadolinium on N-methyl-D-aspartate (NMDA)-induced centrogenic arrhythmias. 1992

L Berrino, and V De Novellis, and S Maione, and B Cuparencu, and F Rossi

Institute of Pharmacology and Toxicology, First Faculty of Medicine and Surgery, University of Naples, Italy.

In urethane-anesthetized rats, the intracerebroventricular (i.c.v.) administration of N-methyl-D-aspartate (NMDA)-induced central arrhythmias. These cardiac rhythm disorders could be prevented by the i.c.v. microinjection of gadolinium, an inhibitor of exocytosis. These findings suggest that inhibition of central neurotransmitter exocytosis could protect against centrogenic arrhythmias.

UI	MeSH Term	Description	Entries
D007276	Injections, Intraventricular	Injections into the cerebral ventricles.	Intraventricular Injections,Injection, Intraventricular,Intraventricular Injection
D008297	Male		Males
D001921	Brain	The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.	Encephalon
D005089	Exocytosis	Cellular release of material within membrane-limited vesicles by fusion of the vesicles with the CELL MEMBRANE.
D005260	Female		Females
D005682	Gadolinium	An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors.
D006339	Heart Rate	The number of times the HEART VENTRICLES contract per unit of time, usually per minute.	Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse
D000758	Anesthesia	A state characterized by loss of feeling or sensation. This depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures.
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
D001145	Arrhythmias, Cardiac	Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction.	Arrhythmia,Arrythmia,Cardiac Arrhythmia,Cardiac Arrhythmias,Cardiac Dysrhythmia,Arrhythmia, Cardiac,Dysrhythmia, Cardiac