This article is from the Static Electromagnetic Fields and Cancer FAQ, by John Moulder firstname.lastname@example.org and the Medical College of Wisconsin with numerous contributions by others.
31) S Rockwell: Influence of a 1400-gauss magnetic fields on the
radiosensitivity and recovery of EMT6 cells in vitro, Int. J. Radiat.
Biol. 31:153-160 (1977).
Mouse mammary tumor cells were exposed to a 140 mT field alone, during
or after x-ray treatment. Fields alone has no effect on cell growth.
Fields had no effect on radiation-induced cell killing or on the repair
of radiation damage.
32) T Takatsujiet al: Effect of static magnetic fields on the
induction of chromosome aberrations by 4.9 MeV protons and 23 MeV alpha
particles, J. Radiat. Res. 30:238-246 (1989).
Human lymphocytes were irradiated with and without a 1000-1400 mT
static magnetic field. The authors report a small increase in the
incidence of radiation-induced dicentrics in cells exposed to the static
33) T Norimuraet al: Effects of strong magnetic fields on cell growth
and radiation response of human T-lymphocytes in culture, Sangyo Ika
Diagaku Zasshi 15:103-112 (1993).
Human lymphocytes were exposed to static magnetic fields. An
inhibition of cell growth was observed at 4000 - 6300 mT, but not at
2000 mT or below. Exposure to a 4000 mT field increased
radiosensitivity and decreased repair of radiation-induced damage.
34) PG Kale & JW Baum: Genetic effects of strong magnetic fields in
Drosophila melanogaster. III. Combined treatment with homogeneous
fields and gaseous DBCP, Mutat. Res. 105:79-83 (1982).
A 1300 mT static magnetic field had no effects on the mutagenic
effects of a chemical.
35) M Mevissen et al: Effects of magnetic fields on mammary tumor
development induced by 7,12-dimethylbenz(a)anthracene in rats,
Bioelectromag. 14:131-143 (1993).
Animals were exposed to a 15 mT static field in the DMBA-induced
breast tumor system. Exposure was for 24 hrs/day for 91 days. No
overall promotion effects was observed. An increase in tumor weights
36) A Bellossi: The effect of a static uniform magnetic field on mice
a study of methylcholanthrene carcinogenesis, Radiat. Environ. Biophys.
Mice previously treated with methylcholanthrene (an initiator) were
exposed to static magnetic fields from the day of methylcholanthrene
injection until death, with fields of 300-800 mT, for 5-60 minutes per
day and 1-5 days per week. No significant effect on survival or body
weight was detected.
37) A Bellossi: The effect of a static non-uniform magnetic field on
mice a study of Lewis tumour graft, Radiat. Environ. Biophys. 25:231-234
Mice inoculated with tumor cells were exposed to a static field for 5
days/week, beginning the day of transplant and continuing until death.
Exposure was for 0.5-2 hrs/day at fields of 170-900 mT. No effects on
life span, spleen weight, or metastatic potential were found.
38) A Bellossi & L Toujas: The effect of a static uniform magnetic
field on mice: A study of a Lewis tumor graft, Radiat. Environ.
Biophys. 20:153-157 (1982).
Mice with tumor implants were exposed to static field of 13-915 mT.
Exposure continued 5 days/week for 0.5-8 hours per day. No effect on
animals survival was found in any group. The failure-to-take rate (the
tumor is immunogenic) was also unchanged. There also appears to have
been no effect on the rate of lung metastasis, but the manuscript is a
39) S Chandra & S Stefani: Effect of constant and alternating magnetic
fields on tumor cells in vivo and in vitro, In: "Biological Effects of
Extremely Low Frequency Electromagnetic Fields, Proceedings of the 18th
Hanford Life Symposium ", RD Phillips MF Gillis WT Kaune et al., eds.,
Technical Information Center, U. S. DoE, Springfield, pp. 436-446
Exposure was to a 60-Hz field at 100-1000 mT or to a 11,500 mT static
field. Exposure was for 0.5 to 3 hours/day, 1-3 days. Two human tumor
cell lines exposed in vitro, and no effect on cell growth was observed.
Mouse mammary tumor cells were exposed in culture, then implanted; no
effect on tumor growth was observed. The mouse mammary tumor cells were
also implanted and exposed in vivo; again, no effect on tumor growth was
40) JH Battocletti et al: Exposure of rhesus monkeys to 20,000 G
steady magnetic field: Effect on blood parameters, Med. Phys. 8:115-118
Monkeys were exposed to a uniform 2000 mT static field or to a
gradient static field (700-2000 mT at 34 mT/cm) for 63-67 hours.
Changes in white cells counts were found in both exposed animals;
subsequent sham-exposures caused similar changes. No significant
differences were observed between exposed and sham-exposed animals.