EFFECT OF TOTAL-BODY X RADIATION FROM NEAR-THRESHOLD TO TISSUE-LETHAL DOSES ON SMALL-BOWEL EPITHELIUM OF THE RAT. I. CHANGES IN MORPHOLOGY AND RATE OF CELL DIVISION IN RELATION TO TIME AND DOSE
Journal Article
·
· Journal of the National Cancer Institute (U.S.) Changed to JNCI, J. Natl. Cancer Inst.
OSTI ID:4334608
A study was made of changes in morphology and mitotic activity associated with changes in nucleic acid metabolism in small-intestinal epithelium of rats following whole-body x irradiation. Data are presented from quantitative measurements of changes in mitotic activity at various intervals after single doses varying from near-threshold to tissue-lethal. Results following local irradiation of an exteriorized loop of small intesting are included. The primary physical and chemical effects of irradiation on cells in interphase at the time of irradiation are discussed. It is concluded that acute cell destruction and prolongation of interphase of stem cells in the crypts of small-bowel epithelium are not mediated through any circulating toxic products or influenced by systemic effects resulting from irradiation. (C.H.)
- Research Organization:
- Naval Medical Research Inst.; National Cancer Inst., Bethesda, Md.
- NSA Number:
- NSA-12-012922
- OSTI ID:
- 4334608
- Journal Information:
- Journal of the National Cancer Institute (U.S.) Changed to JNCI, J. Natl. Cancer Inst., Journal Name: Journal of the National Cancer Institute (U.S.) Changed to JNCI, J. Natl. Cancer Inst. Vol. Vol: 21; ISSN JNCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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EFFECT OF TOTAL-BODY X-RADIATION FROM NEAR THRESHOLD TO TISSUE-LETHAL DOSES ON THE SMALL BOWEL EPITHELIUM OF THE RAT. I. CHANGES IN MORPHOLOGY AND RATE OF CELL DIVISION IN RELATION TO TIME AND DOSE
EFFECT OF TOTAL-BODY X-RADIATION FROM NEAR THRESHOLD TO TISSUE-LETHAL DOSES ON THE SMALL BOWEL EPITHELIUM OF THE RAT. II. CHANGES IN NUCLEIC ACID AND PROTEIN SYNTHESIS IN RELATION TO CELL DIVISION
EFFECT OF TOTAL-BODY X RADIATION FROM NEAR-THRESHOLD TO TISSUE-LETHAL DOSES ON SMALL-BOWEL EPITHELIUM OF THE RAT. II. CHANGES IN NUCLEIC ACID AND PROTEIN SYNTHESIS IN RELATION TO CELL DIVISION
Technical Report
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Wed Jan 22 23:00:00 EST 1958
·
OSTI ID:4276371
EFFECT OF TOTAL-BODY X-RADIATION FROM NEAR THRESHOLD TO TISSUE-LETHAL DOSES ON THE SMALL BOWEL EPITHELIUM OF THE RAT. II. CHANGES IN NUCLEIC ACID AND PROTEIN SYNTHESIS IN RELATION TO CELL DIVISION
Technical Report
·
Thu Jan 23 23:00:00 EST 1958
·
OSTI ID:4276296
EFFECT OF TOTAL-BODY X RADIATION FROM NEAR-THRESHOLD TO TISSUE-LETHAL DOSES ON SMALL-BOWEL EPITHELIUM OF THE RAT. II. CHANGES IN NUCLEIC ACID AND PROTEIN SYNTHESIS IN RELATION TO CELL DIVISION
Journal Article
·
Tue Jul 01 00:00:00 EDT 1958
· Journal of the National Cancer Institute (U.S.) Changed to JNCI, J. Natl. Cancer Inst.
·
OSTI ID:4299473
Related Subjects
BIOLOGY AND MEDICINE
BLOOD CIRCULATION-- CHEMICALS-- CYTOLOGY-- MITOSIS-- RADIATION EFFECTS-- TOXICITY-- VARIATIONS
BODY-- CHEMICAL REACTIONS-- CONFIGURATION-- CYTOLOGY-- DISTRIBUTION-- INTESTINE-- LETHAL DOSE-- MEASURED VALUES-- METABOLISM-- MITOSIS-- NUCLEIC ACIDS-- QUANTITY RATIO-- RADIATION DOSES-- RADIATION EFFECTS-- RATS-- SURGERY-- TISSUES-- VARIATIONS-- X RADIATION
BLOOD CIRCULATION-- CHEMICALS-- CYTOLOGY-- MITOSIS-- RADIATION EFFECTS-- TOXICITY-- VARIATIONS
BODY-- CHEMICAL REACTIONS-- CONFIGURATION-- CYTOLOGY-- DISTRIBUTION-- INTESTINE-- LETHAL DOSE-- MEASURED VALUES-- METABOLISM-- MITOSIS-- NUCLEIC ACIDS-- QUANTITY RATIO-- RADIATION DOSES-- RADIATION EFFECTS-- RATS-- SURGERY-- TISSUES-- VARIATIONS-- X RADIATION