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Thymic phagocytosis and reduction in the negative surface charge of thymocytes after x irradiation

Journal Article · · Radiat. Res.; (United States)
DOI:https://doi.org/10.2307/3575186· OSTI ID:5758399
 [1]; ;
  1. Aichi Cancer Center Research Inst., Nagoya, Japan
+ Show Author Affiliations
X irradiation of thymocytes in vivo or in vitro caused the reduction of their electrophoretic mobility within 2 hr. An enhanced attachment of irradiated thymocytes to cultured peritoneal macrophages was noted 2 hr after whole-body irradiation. Thymic esterase-positive cells began to phagocytize thymocytes 2 hr after whole-body irradiation with 170 R. Since all of these three radiation-induced phenomena began to occur simultaneously shortly after irradiation, it was considered that the decrease in the negative surface charge of irradiated thymocytes enhanced the attachment of the thymocytes to thymic phagocytic cells through the reduction of the electrostatic repulsive forces and facilitated the phagocytosis of thymocytes by thymic phagocytic esterase-positive cells.
OSTI ID:
5758399
Journal Information:
Radiat. Res.; (United States), Journal Name: Radiat. Res.; (United States) Vol. 79:3; ISSN RAREA
Country of Publication:
United States
Language:
English

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Related Subjects

560121* -- Radiation Effects on Cells-- External Source-- (-1987)
560152 -- Radiation Effects on Animals-- Animals
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CELL CONSTITUENTS
CELL MEMBRANES
ELECTRIC CHARGES
ELECTROMAGNETIC RADIATION
IN VITRO
IN VIVO
IONIZING RADIATIONS
MEMBRANES
PHAGOCYTOSIS
RADIATION EFFECTS
RADIATIONS
SOMATIC CELLS
THYMUS CELLS
X RADIATION