But besides raising ethical concerns for many, doctors say embryonic stem cells pose practical problems. Biologically, they may spark tumors or be rejected by the body because they do not come ...

Some scientists argue that embryonic stem cell research remains important. Robert Waddell says he's glad the stem cells that healed him came from "a guy who was 50 years old" and not a human embryo.

The possibility of using embryonic stem cells to treat disease, a strategy known as regenerative medicine, is not yet being explored in clinical trials, and may not be for many years. However, current ...

As a bioethics professor at the Catholic University of America, I was appalled by the April 21 editorial “Stem cells: Good or evil?” It trumpeted the potential of embryonic stem cell therapies ...

Significant steps toward producing embryonic stem cells without using human eggs, and in some cases without creating embryos, were published on Wednesday in the journal Nature, a development that ...

To enforce ethical guidelines and to ensure that all stem cell research (embryonic or otherwise) is conducted cautiously and responsibly so as not to threaten the safety or autonomy of research ...

Nascent San Carlos firm turns unused embryos from fertility clinic customers into stem... Nascent stem cell company raises ethical and medical issues SF Gate Logo Hearst Newspapers Logo ...

Recent experiments with mice indicate that induced pluripotent stem cells–that is embryonic-like stem cells made from skin–are as effective as their unethically derived cousins. From the ...

Due to ethical dilemmas surrounding IVF and embryonic stem cell sourcing, current research and treatment have moved towards other stem cell sources. Donor-Sourced Stem Cells. Donor-sourced stem cells ...

The possibility of using embryonic stem cells to treat disease, a strategy known as regenerative medicine, is not yet being explored in clinical trials, and may not be for many years. However, current ...