LifeEthics
regenerative medicine
>"Sheeple"
>Scientists have reportedly engineered sheep with organs consisting of up to 15% human cells. A human’s bone marrow stem cells are implanted in a developing sheep ( a fetal lamb), which then develops with the chimeric organs, such as livers, kidneys, etc. The goal is to make multiple sheeple (I’m adapting this term from a … Continue reading
Texas Politics, Bias and Bioethics
“All politics is local,” is a quote attributed to – and the title of a book co-authored by – the late, former Speaker of the House, Tip O’Neill. The lesson seems to be one that Texas State Representative Juan Garcia, D-Corpus Christi, learned well. It doesn’t hurt to stack the deck in your favor, either. … Continue reading
Umbilical Cord Blood Saves Lives
Today, the Texas House State Affairs Committee heard from a young man who was born with sickle cell disease. Young Joseph, Jr. told the Representatives that his baby brother saved his life. And now, he doesn’t have to take medicine or get shots any more. (The oblivious hero slept through the hearing.) And of course, … Continue reading
>Truly transplantable lung stem cells
>Researchers at The University of Michigan have proven that mesenchymal stem cells are present in the lungs, and that these cells have transplanted along with the rest of the lung. In the past, it was believed that the mesenchymal stem cells ( a versatile group of stem cells – see the information in the quote … Continue reading
>Stem cell review, March 2007
>It’s time to write an updated review on the status of stem cell therapy. For one thing, I wrote about the lung cells from two different labs and sources, yesterday. Next, Richard Doerflinger has written his “75 new reasons” to support non embryonic stem cell therapy over on “DO NO HARM.” And then, there’s the … Continue reading
Umbilical Cord vs. Embryonic Stem Cells
The Proceedings of the National Academies of Science (PNAS) has published the article that was the subject of this blog last week, and which claims that researchers at the University of Texas at Houston have produced the “first transplantable source of lung epithelial cells.” There is no evidence that these cells are “transplantable,” and they … Continue reading
>Free Access Nature Reviews Molecular Cell Biology
>If you’d like to learn how little you know (except you, Rebecca of Mary Meets Dolly), Nature Reviews Molecular Cell Biology is offering free access this month, with free registration. The free registration itself is valuable – because you’ll be able to access some of the news@nature items and receive Tables of Contents of many … Continue reading
>Embryonic SC researchers claim doubtful "first"
>Beware of Press Release science reporting – the job of the news release or public affairs department of an institution is to get publicity, not to promote scientific knowledge. There’s no peer review until after the fact, and the goal is to catch our attention, rather to educate. A case in point was the announcement … Continue reading
MIT adult stem cell research soap opera?
Yesterday’s Massachusetts Institute of Technology press release (“MIT bioengineer advances survival, promise of adult stem cells”)led to the story behind the story and and maybe more. Behind them all, of course is the truth that human embryos are, indeed human, and that there is not any difference between the embryo in the petri dish and … Continue reading
Do not look behind the curtain! (again, with the magic tricks)
I’d say the man who said this needs both a heart and a brain: “Ultimately, human hearts, human brains, and human kidneys and human pancreas will be re-created in their entirety from human embryonic stem cells or some combination of adult and embryonic stem cells,” Willerson said. He’s certainly got enough nerve. Tell me what … Continue reading
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