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AbstractAbstract
[en] Concerning the biochemical reactions of the lung parenchyma to irradiation the following points have been developed. Role of biochemically active substances (histamine, serotonin, kinins, catecholamines, prostaglandins) in the early reaction of the lung to irradiation, their common feature being their vascular impact point. Lung irradiation and lipids (fatty acids and lipid metabolism in general); irradiation, by raising the proportion of unsaturated at the expense of saturated fatty acids, may give rise to serious physiological respiratory disorders. Lung irradiation and blood fluidity (fibrinolytic activity, heparin, platelet factors). Pulmonary interstitium and irradiation (of the three interstitium components collagen plays a preferential part). Irradiation and immunological lung reaction (reasons behind the immunological theory, immunological assistance, immunological mechanism of pulmonary reactions towards pollutants). Enzymatic lung radiolesion indicators. Three kinds of physiological changes have been considered. Vascular physiology disturbances caused by the initial biochemical reactions; anomalies of physiological or functional trials, images of the lesion formed; disorders of the cell physiology of carcinogenesis
[fr]
Concernant les reactions biochimiques du parenchyme pulmonaire a l'irradiation, les points suivants ont ete developpes. Role de substances biologiquement actives (histamine, serotonine, kinines, catecholamines, prostaglandines) dans la reaction precoce du poumon a l'irradiation; leur caracteristique commune etant leur point d'impact vasculaire. Irradiation pulmonaire et lipides (acides gras et metabolisme lipidique en general); l'irradiation en augmentant la proportion des acides gras insatures aux depens des satures, peut initier des troubles importants de la physiologie respiratoire. Irradiation pulmonaire et hemofluidite (activite fibrinolytique, heparine, facteurs plaquettaires). Interstitium pulmonaire et irradiation (des trois composants de l'interstitium, le collagene joue un role privilegie). Irradiation et reaction immunologique pulmonaire (raisons de l'hypothese immunologique, mise en oeuvre du support immunologique, mecanisme immunologique des reactions pulmonaires vis-a-vis des polluants). Enzymes indicatrices de radiolesions pulmonaires. Sur le plan physiologique, trois types de modifications ont ete envisagees: les perturbations de la physiologie vasculaire engendrees par les reactions biochimiques initiales; les anomalies des epreuves physiologiques ou fonctionnelles, images de la lesion constituee; les troubles de la physiologie cellulaire de la carcinogeneseOriginal Title
Aspects physiologiques et biochimiques de l'effet des rayonnements ionisants sur le parenchyme pulmonaire
Primary Subject
Source
Mar 1975; 138 p
Record Type
Miscellaneous
Report Number
Country of publication
AMINES, AROMATICS, AZOLES, BIOLOGICAL EFFECTS, BODY, CHEMISTRY, DRUGS, HETEROCYCLIC COMPOUNDS, HYDROXY COMPOUNDS, IMIDAZOLES, INDOLES, ORGANIC COMPOUNDS, ORGANIC NITROGEN COMPOUNDS, ORGANS, PEPTIDES, PHENOLS, POLYPHENOLS, PROTEINS, PYRROLES, RADIATION EFFECTS, RADIOPROTECTIVE SUBSTANCES, RESPIRATORY SYSTEM, RESPONSE MODIFYING FACTORS, SYMPATHOMIMETICS, TRYPTAMINES
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