Cited by 22Cancer and biochemical researchCancer, Hypoxia, and MetabolismRedox biology and oxidative stress

Modification of lung tumor growth by hyperoxia

Lindenschmidt, R.C., Margaretten, N., Griesemer, R.A., Witschi, H.P.·1986·Carcinogenesis

Abstract

The effects of hyperoxia on lung tumor development were examined in mice and rats. In mice, exposure to 70% O2 prevented the development of urethan- or 3-methylcholanthrene-induced lung tumors. Dietary antioxidants [butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA)] were unable to prevent the inhibition of tumor development by oxygen, although BHT retained its capability to enhance tumor development in mouse lung. In visible-size tumors, oxygen did not depress DNA synthesis. Oxygen also reduced the number of pulmonary metastatic nodules after i.v. injection of mammary gland-derived carcinoma cells, but failed to inhibit growth of murine lung carcinoma or murine melanoma-derived cell lines. Rats treated with one single intratracheal instillation of 3-methylcholanthrene developed multiple lung lesions; their growth could be prevented by exposure of the animals to 40 or 70% O2. It is concluded that hyperoxia prevents development of transformed cells in vivo in the lung and may affect adversely the growth of selected cell lines metastatic to the lung.

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Crossref · 10.1093/carcin/7.9.1581

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  • Lindenschmidt et al. demonstrated that sustained exposure to 70% oxygen in mice inhibited the development of lung tumors.

    “The application of early hyperoxia in tumor therapy is controversial, and Lindenschmidt et al. demonstrated that sustained exposure to 70% oxygen in mice inhibited the development of lung tumors.”

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Authors
Lindenschmidt, R. C., Margaretten, N., Griesemer, R. A., & Witschi, H. P.
Affiliations
Oak Ridge National Laboratory (US)
Venue
Carcinogenesis
Published
1986
Volume
7
Issue
9
Pages
1581-1586
ISSN
  • 0143-3334 (ISSN-L)
  • 1460-2180
OpenAlex
W2040778912
Cited by
22
References
0
Citations by year
2023: 1 · 2017: 2
FWCI
1.01
Type
journal article
Language
en
Open access
closed
Locations
  • Carcinogenesis (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (CA-09336)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer and biochemical research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
hyperoxia, lung cancer, tumor growth inhibition, oxygen, 3-methylcholanthrene, urethane, antioxidants, butylated hydroxytoluene, butylated hydroxyanisole, lung metastasis, mammary gland carcinoma, melanoma, DNA synthesis
MeSH terms
Animals, Butylated Hydroxyanisole, Butylated Hydroxytoluene, Cell Division, DNA, Dose-Response Relationship, Drug, Lung Neoplasms, Male, Methylcholanthrene, Mice, Inbred BALB C, Mice, Inbred C57BL, Oxygen, Rats, Inbred F344, Mice, Rats

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