July 14, 2020

The Niche

Knoepfler lab stem cell blog

SVF

5 min read

In what could be a serious legal warning sign for the stem cell field, California federal district court Judge Jesus Bernal denied the government’s motion for summary judgment against Cell Surgical Network, et al. related to their marketing of an unproven fat stem cell product via their chain of clinics. The FDA is seeking a permanent injunction. You can read the new ruling here. The reasons why Bernal said he rejected the summary judgment request are concerning and don’t fit with my view of …Read More

5 min read

When people discuss “fat stem cells” they usually mean something called “stromal vascular fraction” or SVF. While references to fat or adipose stem cells can sometimes mean non-SVF materials, these days adipose SVF gets the most attention. But, does anyone have a clear picture of this biologic? Fortunately, it’s starting to come more into focus in recent years and I’ve updated this post in May 2020. What exactly is Stromal Vascular Fraction (SVF)? In a nutshell, stromal vascular fraction is a cellular extract made …Read More

3 min read

The unproven stem cell clinic firm US Stem Cell Inc. is in a world of hurt. If a federal judge says you can no longer sell your key commercial offering, how do you survive as a company? US Stem probably has been thinking about that possibility for months. Still, it’s not yet clear where the company goes from here now that this has become a reality. Where do things stand looking ahead? There’s financial pressure. The company’s stock ($USRM) has been a penny stock …Read More

5 min read

It’s been a big week already for the stem cell field due to the court ruling against US Stem Cell Inc. and that the FDA can define stromal vascular fraction (SVF) as a drug (see my old rough sketch of how SVF is sometimes manufactured; my impression is that the company does this slightly differently). There is a wide range of opinions on the long-term meaning of this court ruling. Some like me view it as likely making a major positive difference, while others …Read More