Search Results for: rmat

Transformative idea for peer review: reviewing & grading the reviewers

Do you feel frustrated with the current peer review system in science? I have an idea that might help and it involves the revolutionary idea of reviewer accountability. In other words, authors and grant writers in essence review their reviewers. I’ve made this all the easier for you with templates that you can simply and …

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Dr Lookgood, dermatologist to the stars, gets FDA warning letter

Dr-LookGood1

If you ever had a really bad day, March 13, 2012 might have been just such a bad day for one Dr. Steven Victor, aka “Dr LookGood”, because he received an official warning letter from the FDA. Why? Dr. Victor, who reportedly greets each patient with the catch phrase “You look so much more beautiful than your picture”, is …

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Weekly reads: death in CRISPR trial, sickle cell, nose picking & dementia, epilepsy

CRISPR gene editing

As both a scientist who works on stem cells, cancer, and CRISPR, and a research advocate I’ve been fortunate to meet many patient advocates over the years. Some have been participants in clinical trials themselves. Benefits & risks of clinical trial participation It is very sobering to find out that a clinical trial participant has …

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Review of ExoFlo paper used to push Direct Biologics IND inside FDA finds red flags

ExoFlo from Direct Biologics

I wrote recently about how political pressure on FDA Commissioner Stephen Hahn in 2020 may have helped the Texas firm Direct Biologics move their product ExoFlo forward inside the agency. Today I analyze the ExoFlo Phase I clinical trial paper used in that push on Hahn to get the firm the IND for a Phase II …

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Weekly reads: NAM dubs 3 stem cell researchers, kick the 2 buckets, stem cell homing

Sally Temple, stem cell researchers

The National Academy of Medicine elected a cohort of new members including three stem cell researchers. It’s great to see our field and these great scientists get recognition. The new NAM stem cell researchers include Sally Temple, Connie Eaves, and Tippie MacKenzie. Here’s a little bit about each of them. Dr. Temple is a stem cell biologist …

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Germ or sex cells: DNA content, research, clinical applications

sex cells, haploid, diploid, germ cells

Germ or sex cells have many important implications for health and research. In today’s post the goal is to provide a helpful, comprehensive overview of these remarkable cells. Where does research on these cells stand today? It’s an exciting time. What are sex cells?  | Are sex cells haploid or diploid?  | Why are germ cells …

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FDA leader Stephen Hahn was pressured to aid Texas firm Direct Biologics

Former FDA Commissioner Stephen Hahn.

An FDA FOIA dump of text messages of former Commissioner Stephen Hahn suggests that a Texas regenerative firm called Direct Biologics benefited from political pressure on him in mid-2020. Then he was asked again to help in early 2021. This was shortly before he resigned at the start of the Biden Administration. The push came from …

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Paper sparks renewed interest in transdifferentiation & clinical potential

transdifferentiation, iOPCS

There was a time when I thought transdifferentiation based approaches might quickly move into clinical trials. Then things kind of cooled off. We didn’t see many papers reporting methods to transdifferentiate cells. I still think that this technology, sometimes called direct reprogramming, has major potential. A new paper on making human brain cells this way got …

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Weekly reads: taste buds, organoids, good news on CRISPR safety

Taste buds diagram

As I’ve mentioned recently, it’s my busy time for medical school teaching and not long ago we did a GI lab that included one of my favorite structures in the course: taste buds. Taste buds The medical students seem fascinated with taste buds too. I can tell as their professor when something is particularly interesting …

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Histone code series: H3K27me3 & H3K27ac functions & roles in diseases like DIPG

ASCL1 in K27M tumors, H3K27me3 loss

Histone proteins such as histone H3 are often popping up in science writing and news sometimes includes specific modified forms of H3 including one that we scientists call H3K27me3. What is in this article What is H3K27me3? | The histone code | H3K27ac and H3K27me3 function | H3K27 and human disease | References The goal of today’s post …

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