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感谢介绍与原文。翻译介绍的比较简单与“媒体化”,呵呵。
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: m9 o6 t; G& d( {We would predict that inthe case of chromothripsis, the overwhelming ; ]4 I2 B$ [4 `; K
majority of cells suffering such spectacular genomic damage would
2 f5 Z) ?6 X( z' E) U! Jeither die or acquire more detrimental than advantageous variants., \# I0 e$ S2 Z3 r' ~7 }" r
However, very rarely, a cell might acquire one or more cancercausing
# S) f9 J+ ?0 C# X! B$ O) ylesions from such an event and this clone would then have taken a / S# o+ m" T' \
considerable leap along the road to cancer. There would still be the + k' P) J2 P) j2 B. Q
need for additional mutations in cancer genes, exemplified by the
( a3 U/ R; u7 j# P: Bsecond hits in CDKN2A seen in the chordoma and thyroid cancer $ ?4 S: A! w; Y' e* r
samples (Figure 7), but we might anticipate the emergent tumor - w, d8 m' \2 g, c7 p3 U
having shorter latency.
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3 ?5 Q* @6 G% }% P3 y看起来是说特定过程的一个灾难性事件导致rearrangements,修复
) C' _* H& w+ a9 T+ D过程太急太乱,然后再遇到进一步的突变,应该说是一个灾难性* D4 a/ C5 C/ P) z, D( F4 c
事件引发的加速癌变过程。2 C0 ~+ ^; E, w' Q! s$ ` {
) i5 m3 l: u0 w, _The genomic regions involved in each example are sharply circumscribed,7 P- W2 B2 G, t. c2 ?6 I, @
whether it be a whole chromosome, a chromosome arm or a region of just
# X2 r1 e8 Q2 d0 P0 Ra few megabases within a chromosomal band. It seems likely that the insult ! J" ]" ^( I) E* }( F/ Z
occurs while the chromosomes are condensed for mitosis.
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+ w: `( U9 H5 t2 ? W9 T这个可能情景是否有延伸的意义。。。 |
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