This provides another possible source of matched, unrelated stem cells for patients without a matched, related stem cell donor.

许多病人无法找到血缘匹配的干细胞供者，但脐带血可提供了另一种非血缘干细胞的来源。

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His team identified the dogs as clones of a cell donor through DNA tests and earlier this month introduced the achievement in a paper on the Web site of the journal "Genesis."

他的研究小组通过DNA检测用捐献狗细胞克隆出了这几只小狗。该研究报告已在本月初的《成因》杂志网站上发表。

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This provides another possible source of matched, unrelated stem cells for patients without a matched, related stem cell donor. Results from cord blood stem cell transplants are promising.

对无法找到匹配且相关的干细胞供体的病人来说，这提供了另一种可能的匹配但不相关的干细胞来源。

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After several days, the ball of cells that results contains a blanket of embryonic stem cells endowed with the genetic material of the donor skin cell, which have the ability to generate every cell type from that donor.

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This begins with a stimulus, such as an electric shock, that promotes the fusion of an egg cell that has had its nucleus removed with a donor cell whose nucleus it will assume.

ECONOMIST: Cloning around

The success rate for creating an embryo by injecting DNA from a donor cell into an egg was 1 in 15, far more than researchers had previously thought possible.

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