25% of mice transplanted with c-myc-induced iPSCs developed lethal teratomas. N-myc & L-myc have been identified to induce instead of c-myc with similar efficiency.
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The low induction efficiency may reflect the need for precise timing, balance, & absolute levels of expression of the reprogramming genes. It may also suggest a need for rare genetic and/or epigenetic changes in the original somatic cell population or in the prolonged culture. Depletion of Mbd3 improves reprogramming efficiency.
A. 对
B. 错
Reprogramming of adult cells to obtain iPSCs never increase the risk of tumorigenecity.
A. 对
B. 错
Incomplete reprogramming is particularly challenging during iPSC generation because the genome-wide epigenetic code must be reformatted to that of the target cell type in order to fully reprogram a cell.
A. 对
B. 错
Fanconianemiaisacommongeneticdisease.Amongthoseaffectedthemajoritydevelopcancer,mostoftenacutemyelogenousleukemia,and90%developbonemarrowfailure(theinabilitytoproducebloodcells)byage40.
A. 对
B. 错