Rat brain endoplasmic reticulum calcium pools are anatomically and functionally segregated
Journal Article
·
· Cell Regulation; (United States)
- Johns Hopkins University School of Public Health, Department of Toxicology, Baltimore, MD (USA)
Autoradiographic imaging can localize 45Ca2+ selectively accumulated via the Ca2+, Mg2(+)-ATPase into endoplasmic reticulum stores in rat brain slices. 45Ca2+ accumulation is markedly stimulated by oxalate and displays a heterogeneous distribution which resembles the mRNA distribution for a sarcoendoplasmic reticulum Ca2+, Mg2(+)-ATPase. Inositol 1,4,5-triphosphate (I(1,4,5)P3) inhibits 45Ca2+ accumulation selectively into regions corresponding to those enriched in I(1,4,5)P3 receptor-binding sites and in Ca2+, -Mg2(+)-ATPase mRNA. Thus rat brain endoplasmic reticulum calcium stores are anatomically and functionally differentiated.
- OSTI ID:
- 5451880
- Journal Information:
- Cell Regulation; (United States), Journal Name: Cell Regulation; (United States) Vol. 1:10; ISSN 1044-2030; ISSN CELRE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ACID ANHYDRASES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METALS
ANIMALS
ATP-ASE
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL ACCUMULATION
BODY
BRAIN
CALCIUM
CALCIUM 45
CALCIUM ISOTOPES
CARBOXYLIC ACID SALTS
CELL CONSTITUENTS
CENTRAL NERVOUS SYSTEM
DAYS LIVING RADIOISOTOPES
ELEMENTS
ENDOPLASMIC RETICULUM
ENZYMES
ESTERS
EVEN-ODD NUCLEI
HYDROLASES
IN VITRO
INTERMEDIATE MASS NUCLEI
ISOTOPES
LIPIDS
MAMMALS
MEMBRANE PROTEINS
MESSENGER-RNA
METALS
NERVOUS SYSTEM
NUCLEI
NUCLEIC ACIDS
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANS
OXALATES
PHOSPHOHYDROLASES
PHOSPHOLIPIDS
PROTEINS
RADIOISOTOPES
RATS
RECEPTORS
RNA
RODENTS
VERTEBRATES
59 BASIC BIOLOGICAL SCIENCES
ACID ANHYDRASES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METALS
ANIMALS
ATP-ASE
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL ACCUMULATION
BODY
BRAIN
CALCIUM
CALCIUM 45
CALCIUM ISOTOPES
CARBOXYLIC ACID SALTS
CELL CONSTITUENTS
CENTRAL NERVOUS SYSTEM
DAYS LIVING RADIOISOTOPES
ELEMENTS
ENDOPLASMIC RETICULUM
ENZYMES
ESTERS
EVEN-ODD NUCLEI
HYDROLASES
IN VITRO
INTERMEDIATE MASS NUCLEI
ISOTOPES
LIPIDS
MAMMALS
MEMBRANE PROTEINS
MESSENGER-RNA
METALS
NERVOUS SYSTEM
NUCLEI
NUCLEIC ACIDS
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANS
OXALATES
PHOSPHOHYDROLASES
PHOSPHOLIPIDS
PROTEINS
RADIOISOTOPES
RATS
RECEPTORS
RNA
RODENTS
VERTEBRATES