ScienceDaily: Biotechnology News

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Lab-made skin cells will aid transplantation, cancer, drug discovery research, say scientists Posted: 26 Oct 2011 09:24 AM PDT Researchers have found a way to create melanocytes from mouse tail cells using embryonic stem cell-like intermediates called inducible pluripotent (iPS) cells. They converted mouse tail-tip fibroblasts into iPS cells, producing pluripotent cells similar to embryonic stem cells, but without the concomitant ethical issues.

Inadequate supply of protein building blocks may explain pregnancy failures in bovine cloning experiments Posted: 26 Oct 2011 08:36 AM PDT Amino acids, the building blocks of proteins, are essential to support the normal growth of a developing embryo and the placenta. An insufficient supply of amino acids in the mother's uterus caused by abnormal maternal-embryo interactions may explain the developmental abnormalities and complications of pregnancy that result in the death of cloned bovine embryos, according to a new article.

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