Search Results for: sex

Desperately seeking stem cells: celeb quests for elixirs often mislead

lady gaga, stem cells

What could go wrong with celebrities desperately hunting for stem cells as a fountain of youth? A flaskful of problems. Some famous folks can’t seem to get enough of stem cells, even if those supposed therapies are unproven and risky. In recent years, dozens of celebs have gotten stem cell procedures of various kinds. The …

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Weekly reads: Marc Tessier-Lavigne probe, Neuralink on the brain, Ras unchained

Marc Tessier-Lavigne

We’ll start with a story related to possible research misconduct, Stanford’s President Marc Tessier-Lavigne, and Science Magazine.  In some ways the news on Science itself could be the bigger long-term story. Marc Tessier-Lavigne pub investigation, Science oops moment Here’s some of the coverage: Stanford investigates potential misconduct in president’s research, Science. Multiple publications of Marc Tessier-Lavigne …

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Nature paper claims young CSF fights brain aging in mice

old mice get young CSF

A new Nature paper argues that young CSF fights brain aging. Young CSF vs. young blood CSF is the cerebrospinal fluid that surrounds the brain, including those of young mice. The claim is that when young CSF is injected into the brain/CNS cavity of old mice, it makes the aged brains seem younger. And function …

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Weekly reads: PRC2, 2 weird bits of news, pubs, COVID stem cell hype

PRC2 lineage commitment

I’d say the paper of the week is on how PRC2 mediated H3K27me3 can in some sense replace elements of DNA methylation to repress. Very cool. Here it is: Sex-specific chromatin remodelling safeguards transcription in germ cells, Nature. Weird stuff In a merger of opposites, City of Hope to buy Cancer Treatment Centers of America …

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What are embryonic stem cells & where do they come from?

Knoepfler lab stem cells

What are embryonic stem cells and how do we scientists obtain them? My lab here at UC Davis School of Medicine has been doing research on embryonic stem cells for more than 14 years. You’ve come to the right place for expert answers on these very intriguing cells. What’s in this article Where do embryonic …

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Recommended regenerative medicine reads: making eggs, retraction, freezing, more

hamazaki et al nature fig 2b induction of oocytes from es cells

What to read when there are almost an endless number of stem cell and regenerative medicine pubs? Here are some suggestions including what I would say is a very unusual Nature paper on making egg cells from stem cells. If this could be done safely with human cells all the way to functional eggs, would …

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Red flags on stem cells sold for vaginal rejuvenation

vaginal rejuvenation stem cells

Fact checking vaginal rejuvenation with stem cells When you read marketing terms like “stem cell treatment for sexual enhancement” or more specifically stem cells for “vaginal rejuvenation” what comes to mind? And are stem cell treatments a viable option for vaginal rejuvenation or sexual enhancement? So far, the data do not clearly back up this …

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CAR-T cells review: cancer & a critical look at possible uses in aging & COVID-19

CAR-T-cell-infographic

Introduction to CAR-T cells CAR-T cells are an exciting cutting-edge technology that has been garnering great interest including in the stem cell field. Potential therapeutic uses of CAR-T, which stands for Chimeric Antigen Receptor T-Cells (CAR-T), are being studied in clinical trials as immunotherapies to potentially fight cancer as well as many other diseases by …

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2 State AG’s sue ‘Stem Cell Centers’ clinics including for alleged fraud

Travis-Autor

Some readers suggested earlier this year that I look into a clinic firm called ‘Stem Cell Centers’ with its owner Travis Autor. I didn’t have time to do much since I’ve been very busy in the lab before the state Attorney Generals of Iowa and Nebraska sued them based on a number of allegations including …

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Update on stem cells for COVID-19, Surgisphere scandal

Stem-cells-for-COVID-19-Maryland

The term Regenerative Medicine covers so much biomedical science these days including everything from just about any kind of cell therapy (not just stem cells) to CRISPR gene editing, and with the the COVID-19 pandemic, it seems this umbrella use of the term now includes potential treatment of viral illnesses. It can be hard to …

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