Dense (aged) circulating red cells contain normal concentrations of adenosine triphosphate (ATP). 1979

F H Kirkpatrick, and A G Muhs, and R K Kostuk, and C W Gabel

The densest 0.1%--1% of circulating red cells were separated from fresh blood, and the ATP content of a representative sample of such cells was determined. The dense ("old") cells had decreased amounts of ATP relative to unfractionated cells. However, the dense cells were also smaller, and the concentration of ATP in these cells was the same as in controls. Therefore, it seems unlikely that loss of cellular ATP is a causative factor in removal of senescent red cells from the circulation.

UI MeSH Term Description Entries
D007460 Iodoacetamide An alkylating sulfhydryl reagent. Its actions are similar to those of iodoacetate.
D004582 Electronics, Medical The research and development of ELECTRICAL EQUIPMENT AND SUPPLIES for such medical applications as diagnosis, therapy, research, anesthesia control, cardiac control, and surgery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Medical Electronics
D004905 Erythrocyte Aging The senescence of RED BLOOD CELLS. Lacking the organelles that make protein synthesis possible, the mature erythrocyte is incapable of self-repair, reproduction, and carrying out certain functions performed by other cells. This limits the average life span of an erythrocyte to 120 days. Erythrocyte Survival,Aging, Erythrocyte,Survival, Erythrocyte
D004911 Erythrocyte Volume Volume of circulating ERYTHROCYTES . It is usually measured by RADIOISOTOPE DILUTION TECHNIQUE. Red Cell Mass,Erythrocyte Volumes,Mass, Red Cell,Masses, Red Cell,Red Cell Masses,Volume, Erythrocyte,Volumes, Erythrocyte
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000255 Adenosine Triphosphate An adenine nucleotide containing three phosphate groups esterified to the sugar moiety. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter. ATP,Adenosine Triphosphate, Calcium Salt,Adenosine Triphosphate, Chromium Salt,Adenosine Triphosphate, Magnesium Salt,Adenosine Triphosphate, Manganese Salt,Adenylpyrophosphate,CaATP,CrATP,Manganese Adenosine Triphosphate,MgATP,MnATP,ATP-MgCl2,Adenosine Triphosphate, Chromium Ammonium Salt,Adenosine Triphosphate, Magnesium Chloride,Atriphos,Chromium Adenosine Triphosphate,Cr(H2O)4 ATP,Magnesium Adenosine Triphosphate,Striadyne,ATP MgCl2

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