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培养的间期细胞经紫外线微束照射后核仁的降解与生长

Nucleolus degradation and growth induced by uv-microbeam irradiation of interphase cells grown in culture.

作者信息

Sakharov V N, Voronkova N

出版信息

J Cell Biol. 1976 Dec;71(3):963-7. doi: 10.1083/jcb.71.3.963.

DOI:10.1083/jcb.71.3.963
PMID:993275
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2109795/
Abstract

In contrast to total cell irradiation, local UV-microbeam irradiation can stimulate a significant diminution in the irradiated mature nucleoli in interphase mammalian cells in culture. This diminution is accompanied by the concomitant expansion of the unirradiated nucleoli within the same nucleus, and the total nucleolar volume per nucleus does not change appreciably. It is suggested that these nucleolar volume changes are the result of the dispersion, migration, and redistribution of the nucleolar material between competitive nucleolar organizer regions of the interphase nucleus.

摘要

与全细胞照射相比，局部紫外线微束照射可促使培养的间期哺乳动物细胞中受照射的成熟核仁显著缩小。这种缩小伴随着同一细胞核内未受照射核仁的相应扩大，且每个细胞核的总核仁体积没有明显变化。有人认为，这些核仁体积变化是核仁物质在间期细胞核竞争性核仁组织区之间分散、迁移和重新分布的结果。

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本文引用的文献

1
INFLUENCE OF THE NUCLEOLUS ON MITOSIS AS REVEALED BY ULTRAVIOLET MICROBEAM IRRADIATION.紫外线微束照射揭示核仁对有丝分裂的影响
Proc Natl Acad Sci U S A. 1958 Jun;44(6):553-9. doi: 10.1073/pnas.44.6.553.
2
Nucleolar "caps" induced by flying spot ultraviolet nuclear irradiation.飞点紫外线核辐射诱导的核仁“帽”
Am J Pathol. 1966 Sep;49(3):555-67.
3
[The induction of dissolution and growth of nucleoli in interphase tissue culture cells by UV-microirradiation].[紫外线微照射诱导间期组织培养细胞中核仁的溶解与生长]
Tsitologiia. 1968 Jul;10(7):798-802.
4
Argon laser micro-irradiation of nucleoli.氩激光对核仁的微照射。
J Cell Biol. 1969 Dec;43(3):621-6. doi: 10.1083/jcb.43.3.621.
5
Modification of nucleolar expression following laser micro-irradiation of chromosomes.染色体激光微照射后核仁表达的改变
Exp Cell Res. 1970 Apr;60(1):133-8. doi: 10.1016/0014-4827(70)90498-2.
6
Laser microirradiation of the nucleolar organizer in cells of the rat kangaroo (Potorous tridactylis). Reduction of nucleolar number and production of micronucleoli.对大鼠袋鼠（三趾袋狸）细胞中的核仁组织区进行激光微照射。核仁数量减少并产生微核仁。
Exp Cell Res. 1972 Dec;75(2):424-32. doi: 10.1016/0014-4827(72)90449-1.
7
Importance of the nucleolus in the initiation of DNA synthesis in mammalian cells. Studies with an ultraviolet microbeam and low concentrations of actinomycin D.核仁在哺乳动物细胞DNA合成起始中的重要性。用紫外线微束和低浓度放线菌素D进行的研究。
Exp Cell Res. 1973 Mar 30;78(1):214-24. doi: 10.1016/0014-4827(73)90057-8.

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