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Posts by Mashek Lab

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Sharing our new paper in @jci.org showing a novel mechanism for fatty liver disease and its progression to inflammation and fibrosis involving non autophagy role of ULK1 www.jci.org/articles/vie...

1 week ago 3 2 0 0
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Interested in lipids? Join us @ the 2026 FASEB Lipid Droplet: From Mechanisms to Disease Conference (July 26-30, Scottsdale, AZ). Registration is now open!

events.faseb.org/event/Lipid-...

We are co-locating with the FASEB Phospholipids SRC! Register for one to enjoy BOTH meetings!

3 months ago 21 17 0 1
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Fueling MASH: Metabolic Drivers and Inflammatory Crosstalk | Keystone Symposia Join us at the Keystone Symposia on Fueling MASH: Metabolic Drivers and Inflammatory Crosstalk, April 2026, in Vancouver, with field leaders!

Worked with a great team to organize @keystoneSymposia.bsky.social Fueling #MASH : #Metabolic Drivers & #Inflammatory Crosstalk, this April! Join us to explore emerging research in Vancouver! keysym.us/KSMASH26 #KSMASH26

Early Registration and Abstract deadline is in less than 2 weeks!

4 months ago 7 7 0 0
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FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis - Nature Cell Biology Lange et al. identify a lipid droplet quality control pathway in which FSP1 safeguards stored neutral lipids from lipid peroxidation, thereby preventing the induction of ferroptosis.

☕ @mikelangelipid.bsky.social @olzmannlab.bsky.social & co identify a #LipidDroplet quality control pathway in which FSP1 safeguards stored neutral lipids from lipid peroxidation, thereby preventing the induction of #ferroptosis.
@berkeleymcb.bsky.social
bit.ly/49mTeyF

5 months ago 25 9 0 0

Congrats! Groundbreaking work!

5 months ago 1 0 0 0
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Quantitative imaging of lipid transport in mammalian cells - Nature Directional, non-vesicular lipid transport is responsible for fast, species-selective lipid sorting into organelle membranes.

Quite a week for #lipidtime: phenomenal study using bifunctional lipid probes to quantify intracellular lipid transport from @nadlerlab.bsky.social and colleagues is now out @nature.com! www.nature.com/articles/s41...

8 months ago 55 18 1 1

Congrats Judi!!!

9 months ago 1 0 0 0
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Understanding the predictors of metabolic dysfunction-associated steatotic liver disease—

ASCI member Peter Crawford & team suggest ketogenesis serves a protective role in MASLD-MASH progression via processes other than fat oxidation: buff.ly/f26w63M

9 months ago 4 2 0 0
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Reversible histone deacetylase activity catalyzes lysine acylation - Nature Chemical Biology Tsusaka et al. discover that histone deacetylases, which are well known to remove protein modifications, such as lysine acetylation and β-hydroxybutyrylation, can also reverse their chemical activity ...

These data are in agreement with www.nature.com/articles/s41... from @dremilygoldberg.bsky.social showing that HDAC1-3 can acylate proteins using fatty acids rather than their acyl-CoA derivatives as substrates. This raises many questions about epigenomic regulation via changes in metabolism.

10 months ago 9 0 2 0
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Sorbate induces lysine sorbylation through noncanonical activities of class I HDACs to regulate the expression of inflammation genes Sorbic acid regulates inflammatory gene expression through the mechanism of lysine sorbylation.

Super excited to share our new publication identifying the food preservative, sorbic acid, as a new PTM. Even cooler is that the deacylation and acylation of this PTM is catalyzed by the non-canonical activity of Class I HDACs using free sorbate (not sorbyl-CoA) www.science.org/doi/10.1126/...

10 months ago 25 5 2 1
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Congrats. This is very cool!

1 year ago 1 0 1 0
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We recently published
@geroscience.bsky.social
the development and validation of the mouse social frailty index (mSFI) link.springer.com/article/10.1...

We now report a detailed step-by-step resource paper describing how to conduct the mSFI.
bio-protocol.org/en/bpdetail?...

1 year ago 11 4 0 0

Congrats!!

1 year ago 2 0 1 0

Proud to share the work of my forst ever PhD student and first author of this paper @dylanduerre.bsky.social!! Here, he summarizes it perfectly! #brownfat #metabolism #BCAA #heme @uwmadison.bsky.social @uofutahcihd.bsky.social

1 year ago 19 11 0 1

Congrats! That is so cool. I hope you are getting some royalties….

1 year ago 2 0 1 0
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What are 26 different Rab GTPases doing on Lipid Droplets? Are lipids transferred by membrane contact sites? Moving the FAT: Emerging roles of Rab GTPases in the regulation of lipid droplet contact sites M Alonso @albertpol.bsky.social and Harriet P Lo www.sciencedirect.com/science/arti...

1 year ago 34 12 2 0
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Neutral lipids restrict the mobility of broken DNA molecules during comet assays This study reveals that neutral lipids (NL), naturally present in cells, become trapped within genomic DNA as a consequence of the standard execution of the comet assay, a technique used to measure D...

New from
@MorieLAB.bsky.social!
Neutral Lipids restrict DNA mobility!!
1. This has important implications for DNA repair in vivo,
2. also in vitro when you measure DNA breaks using the comet assay, beware!
3. And, we provide a fast new protocol overcoming this issue 😍

doi.org/10.1111/boc....

1 year ago 5 7 2 2

Can’t wait to read this. Congrats!

1 year ago 0 0 1 0
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Soooo cool!

1 year ago 1 0 1 0