About half the patients being treated at US fertility clinics say they’d be willing to donate their unused embryos for stem cell research, a new survey reports.約有一半的病人正在接受治療的美國生育診所說，他們要願意捐出他們的未使用的胚胎幹細胞研究，一項新的調查報告。

In a survey of over a thousand patients who have created and frozen embryos as part of fertility treatment, 60 percent said they would be likely to donate unused embryos for stem cell research, according to a study led by researchers at Duke University Medical Center and Johns Hopkins University.一項調查顯示，超過一千名病人曾創造和冷凍胚胎的一部分，生育治療， 60 ％的人表示他們可能會捐出未使用的胚胎幹細胞研究，根據一項研究，所領導的研究人員在杜克大學醫學中心和約翰霍普金斯大學。

The researchers published their findings online in the June 21, 2007 Science Express, the online component of the journal Science, and the study will be published in the journal’s July 6, 2007 print issue.研究人員發表了他們的研究結果線上，在2007年6月21日科學表示，網上的組成部分日刊科學，研究將刊登在該雜誌的2007年7月6日打印的問題。

These findings suggest that the number of embryos potentially available for stem cell research may be 10 times higher than previous estimates, resulting in a potential 100-fold increase in the number of stem cell lines — groups of stem cells derived from a single source — available for federally funded research.這些結果表明，有多少潛在的胚胎可用於幹細胞研究可能是10倍，高於先前的估計，以致在一個潛在的100倍人數的增加幹細胞系-群體的幹細胞來自單一來源-可用為聯邦政府資助的研究。

However, such a move also became less of a possibility on Wednesday, after President Bush for the second time vetoed a bill that would have loosened federal restrictions on funding for embryonic stem cell research.不過，這樣的舉動也成為少的可能性就週三後，美國總統布什為第二次否決了一項法案，將有鬆動的限制聯邦經費胚胎幹細胞研究。

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