Jeff Carroll, PhD's Avatar

Jeff Carroll, PhD

@jcarroll42.bsky.social

Neuroscientist; Assoc.Prof. at University of Washington; Huntington’s Disease researcher; Army veteran. https://sites.uw.edu/jeffcarr/

1,273 Followers  |  2,473 Following  |  327 Posts  |  Joined: 19.03.2023  |  2.3714

Latest posts by jcarroll42.bsky.social on Bluesky

We speculate that this is due to lowering of HTT1a, a specific form of HTT mRNA that arises from a failure of exon-1 to splice to exon-2, leading to alternate cleavage and polyadenylation that was discovered and characterized by Gill Bates's lab at UCL.

31.07.2025 18:01 — 👍 0    🔁 0    💬 0    📌 0

So, we can say that targeting intron-1 with an ASO in this case leads to really striking rescue of molecular features of HD in a knock-in mouse...

31.07.2025 18:01 — 👍 0    🔁 0    💬 1    📌 0
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Changing transcripts could be good or bad, but if we look at HD people's favorite genes, we see a very striking pattern of rescue when we target intron-1 with an ASO that we don't see if we target downstream:

31.07.2025 18:00 — 👍 0    🔁 0    💬 1    📌 0
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Surprisingly, this is the first mouse HTT ASO experiment to show robust transcriptional rescue. If we look at just the mutant mice by bulk RNASeq, a more distal HTT ASO (left) changes exactly two transcripts - one of which is HTT itself. But targeting intron-1 leads to a huge change of transcripts:

31.07.2025 17:59 — 👍 0    🔁 0    💬 1    📌 0
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The ASO targeting intron-1 basically eliminates aggregates while the more downstream one does nothing:

31.07.2025 17:58 — 👍 0    🔁 0    💬 1    📌 0

Glad to see this out in the world. We observe remarkable rescue in an HD mouse using an ASO targeting intron-1 of Huntingtin, rather than downstream. The intron-1 targeting ASO essentially completely eliminates aggregates, whereas the more distal ASO does nothing: www.biorxiv.org/content/10.1...

31.07.2025 17:57 — 👍 3    🔁 2    💬 1    📌 0
UW Human Resources University of Washington Human Resources

Scientists, especially Seattle ones! One of my research scientists is heading to her PhD and we're looking to fill her spot, if not replace her. If you know someone looking to do cool and impactful translational research give them this:

uwhires.admin.washington.edu/ENG/Candidat...

21.07.2025 18:56 — 👍 4    🔁 6    💬 1    📌 0

And cost of living in several key cities (eg Vancouver and Toronto) not feasible with academic salaries in those towns. Even if you can get a grant!

05.07.2025 14:02 — 👍 1    🔁 0    💬 0    📌 0
Preview
The big beautiful bill reveals the hollowness of Trumponomics Republicans mark America’s birthday with a profligate but insubstantial law

This sub-title from the @economist.com , ouch! But accurate.

www.economist.com/briefing/202...

04.07.2025 13:34 — 👍 0    🔁 0    💬 0    📌 0

This is pretty niche!

26.06.2025 09:23 — 👍 0    🔁 0    💬 0    📌 0

5. Wars are easy to start and hard to stop

22.06.2025 04:28 — 👍 5834    🔁 868    💬 65    📌 23
Post image 22.06.2025 05:07 — 👍 599    🔁 86    💬 21    📌 9

Support the troops baby!!

09.06.2025 23:19 — 👍 2    🔁 0    💬 0    📌 0

Tump's bullying is just his psychopathic personality. Vance is, actually, kind of worse because he's strictly doing it to impress other guys he perceives as tougher. He's like the punk ass kid who takes a kick at someone after the bully knocks him down.

09.06.2025 19:47 — 👍 0    🔁 0    💬 0    📌 0

A hell of a lot of the California National Guard is made up of people from immigrant communities, fwiw.

08.06.2025 01:53 — 👍 182    🔁 28    💬 6    📌 1

Wow, congrats!

05.06.2025 22:57 — 👍 1    🔁 0    💬 0    📌 0

Good lord, how can anyone serious about science even consider cutting funding for Flybase?

03.06.2025 18:27 — 👍 3    🔁 1    💬 2    📌 0
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Just published, expansion in situ genome sequencing, where you can sequence DNA while still inside the cell, mapping its organization relative to proteins and other markers, with the help of expansion microscopy! Led by @jbuenrostro.bksy.social. www.science.org/doi/10.1126/...

30.05.2025 11:37 — 👍 168    🔁 54    💬 3    📌 8

God please. One on every corner.

30.05.2025 03:23 — 👍 1    🔁 0    💬 0    📌 0

Amazing news that she’s finally free

30.05.2025 00:17 — 👍 0    🔁 0    💬 0    📌 0

Being in the military is an interesting experience of what it means to be really filthy, which is kinda what I figure they’d look like?

26.05.2025 08:56 — 👍 0    🔁 0    💬 0    📌 0
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Trump Has Cut Science Funding to Its Lowest Level in Decades (Gift Article) The lag in funding extends far beyond D.E.I. initiatives, affecting almost every area of science: chemistry, computing, engineering, materials and more.

New York Times article on NSF

www.nytimes.com/interactive/...

1/2

24.05.2025 22:20 — 👍 77    🔁 50    💬 3    📌 2

It's painful to read this, 5 years later. Study finds no increase in Covid spread in nursing home after visitation bans were lifted. Implication: The bans, which meant months of isolation for nursing home residents and heartbreak of their families, did no good.
pubmed.ncbi.nlm.nih.gov/40383139/

21.05.2025 19:11 — 👍 0    🔁 1    💬 0    📌 0
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So, if you search google scholar enough it will just flag you as a bot and then there's absolutely no recourse, nor a human that you can prove you're not a bot. Reminding me we shouldn't be outsourcing such a key academic service to a for profit company that normalized not talking to its customers.

21.05.2025 15:21 — 👍 4    🔁 1    💬 0    📌 0
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A Liz Truss Moment for America? Financial indicators are flashing yellow

30 year Treasury above 5%. Also, I successfully used AI to do a Trump/Truss crossover, putting a Trump wig on a lettuce
paulkrugman.substack.com/p/a-liz-trus...

21.05.2025 13:58 — 👍 934    🔁 186    💬 44    📌 23

Although there has been many positive things happening lately for myself and my lab group, this week we've gotten the bad news of a grant termination, as the lead PI is at Harvard (and they've had all their federal funding terminated). It will be tough to stop the work that only last year 1/2

21.05.2025 14:01 — 👍 8    🔁 2    💬 3    📌 0

I remember a story in the Army where a commander was dubious about intelligence soldiers working with people who had connections with the Taliban and could we trust people like that and the intel officer replied "the people who don't work with the Taliban have no information about them."

20.05.2025 23:07 — 👍 281    🔁 40    💬 8    📌 0

I'm always intrigued by people who miss very obvious points in art they love. Things like: people who are mad that "Star Trek is woke" or Paul Ryan loving Rage Against the Machine.

20.05.2025 16:00 — 👍 12    🔁 1    💬 3    📌 0
An Anti-Science MAHA Extremist Is Playing a Major Role at the FDA On first glance, Dr. Vinay Prasad’s medical credentials sound impressive. But look closer and you’ll find a narcissistic attention-seeker peddling misinformation, whose views will cost lives.

The profile that Vinay Prasad deserves. He's presence in this administration is sign of Trump's commitment to endangering public health. Excellent work @lauralew105.bsky.social ! 🩺 #medsky

newrepublic.com/article/1949...

20.05.2025 01:17 — 👍 24    🔁 12    💬 0    📌 0
The patient, KJ, reaching out after infusion of the CRISPR therapy, with a big smile! Photo credit Children's Hospital of Philadelphia

The patient, KJ, reaching out after infusion of the CRISPR therapy, with a big smile! Photo credit Children's Hospital of Philadelphia

In a medical breakthrough, a team including IGI’s
@urnov.bsky.social & @giannikopoulosp.bsky.social created an on-demand #CRISPR therapy for an infant with a deadly gene mutation — developed, approved, and delivered to the patient in just 6 months.

Read more: ow.ly/G0Bg50VTonC

#RareDisease 🧬

15.05.2025 17:04 — 👍 49    🔁 19    💬 0    📌 6

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