September 18, 2020

The Niche

Knoepfler lab stem cell blog

stem cells COPD

4 min read

What’s the deal with lung stem cells and stem cells for lungs? For a long time researchers found that stem cells were elusive in adult lungs. There was debate about whether they even existed, but it now seems fairly established that there are some of the little guys in there. Just because one of the early papers on purported human lung stem cells came from Piero Anversa and has been retracted doesn’t mean these stem cell cells don’t exist at all. Other groups have reported …Read More

7 min read

University of Minnesota bioethicist Leigh Turner has been threatened with a lawsuit by a stem cell clinic-related business. Lawsuit threats in this arena come up every so often and as much as they are unpleasant realities, they can also reveal some important aspects of the stem cell arena. Ars Technica reported yesterday that Leigh’s recent paper on stem cell clinics and businesses associated with them with listings of non-FDA approved offerings in Clinicaltrials.gov was the impetus for the threat of a lawsuit and intention of asking …Read More

2 min read

Spock was always my favorite Star Trek character, and even if Leonard Nimoy was not Spock, it seemed to me that there was much of Nimoy in Spock. And for many of us scientists there was some of Nimoy and Spock in us too. The news of Nimoy’s death was a bit of a shock to me. I had no idea he wasn’t well and had kind of assumed that he would be with us for a very long time. (update: Nimoy’s fellow Star …Read More

3 min read

Where do things stand today for using stem cells to treat COPD? Chronic obstructive pulmonary disease (COPD) is a relatively common, often debilitating illness, which has a major impact on the people of the world. In the US alone, COPD costs the country almost $50 billion a year not to mention untold suffering. Most of us know someone who has COPD, which is an umbrella term that includes chronic bronchitis and emphysema. Researchers are still investigating the causes, but two big ones are smoking …Read More