Related Experiment Video
Updated: May 14, 2026

Functional Interrogation of Adult Hypothalamic Neurogenesis with Focal Radiological Inhibition
Published on: November 14, 2013
Nonmonotonous Changes in Metabolic Parameters of Tissues and Cells under Action of Ionizing Radiation on Animal
I K Kolomiytseva1, L V Slozhenikina, L A Fialkovskaya
1Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, Russia.
Abstract:
A nonmonotonous relationship between changes of metabolic parameters of tissues and cells of animal and radiation dose were discussed. Under acute irradiation of animals the nonmonotonous dose-response curve for metabolic parameters of tissues and cells were found. The nonmonotonous dose-response curves of metabolic and functional tissues and cells parameters were also revealed upon chronic irradiation of animals at a low dose-rate. The nonmonotonous shape of dose-response curves may be explained on the basis of nonmonotonous kind of the time-course of metabolic response after irradiation. Living cells were supposed to possess a fundamental property in response to action of different stress agents by nonmonotonous changes of cell metabolism. This response was damping in time oscillation of the value of metabolic parameters around the normal level. Amplitudes and periods of oscillations in these changes of metabolic parameters could be observed. In case of chronic irradiation at a low dose-rate the metabolic and functional parameters showed some modified oscillation during irradiation. The nonmonotonous type of changes in metabolic and functional parameters of tissue and cell by chronic low dose-rate irradiation threw some new light on the peculiarities of biological effects of chronic irradiation.
Related Concept Videos
Biological Effects of Radiation
Isotopes and Radioisotopes
An isotope containing more...
Cellular Adaptation I: Introduction and Atrophy
Bioactivation and Tissue Toxicity
Cellular Injury I: Introduction
Dose Response Curve: Conventional Versus Nonmonotonic

