The editor has retracted a controversial paper published in a scientific journal that claimed to have created human sperm from embryonic stem cells for the first time.
According to Associated Press, scientists at Britain’s Newcastle University said that they produced the sperm in a laboratory, and they hoped that one day it could help infertile men that want to father a child.
Critics of the study said the sperm did not have the specific shape, movement or function of real sperm.
Graham Parker, editor of Stem Cells and Development, has announced on the journal’s Web site that the paper “is being retracted” without giving a reason why.
However, the journal Nature quoted him on Thursday as saying that the study was retracted because two paragraphs in its introduction had been plagiarized.
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