Ultrastructural changes in chondriome of human lymphocytes after irradiation with HeNe laser: appearance of giant mitochondria

Valentina Manteifel; L. Bakeeva; Tiina I. Karu

doi:10.1117/12.260002

25 November 1996 Ultrastructural changes in chondriome of human lymphocytes after irradiation with HeNe laser: appearance of giant mitochondria

Valentina Manteifel, L. Bakeeva, Tiina I. Karu

Author Affiliations +

Proceedings Volume 2929, Effects of Low-Power Light on Biological Systems II; (1996) https://doi.org/10.1117/12.260002
Event: BiOS Europe '96, 1996, Vienna, Austria

Abstract

The structure of mitochondria was studied after irradiation of human lymphocytes with an HeNe laser. Ultrathin sections of the lymphocytes were studied by electron microscopy 1 h after the irradiation. The irradiation resulted in a 20 percent increase in the mean number of mitochondrial profiles on cell section without increase in their total area. 3D reconstruction of mitochondria from ultrathin sections through the whole lymphocyte showed that the number of mitochondria was reduced to 9-12 in the irradiated cells compared to 40-45 in the control cells. In the irradiated lymphocytes also 2-4 branching giant mitochondria were revealed among of small discrete mitochondria.

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Valentina Manteifel, L. Bakeeva, and Tiina I. Karu "Ultrastructural changes in chondriome of human lymphocytes after irradiation with HeNe laser: appearance of giant mitochondria", Proc. SPIE 2929, Effects of Low-Power Light on Biological Systems II, (25 November 1996); https://doi.org/10.1117/12.260002

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