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Posts by DMartin

Thanks. I was going to respond regardless. I think some of the comments require a response. It was clear that no one had the expertise for S-acylation. But one review should have been reworded. I think people forget that these papers are the work of students & the comments can be devastating.

1 hour ago 2 0 1 0

Thanks. I think it would be easier if the comments were appropriate. I think most of it was addressable with either new experiments or added context. So, I guess we can try to reframe it.

1 hour ago 1 0 1 0

One accepted with revisions. The other brutally rejected. Of course, all I can think about is the rejection.

15 hours ago 15 0 3 0

Take it! Set the precedent! Next time you won't even think about it and it will be directly deposited and it will be a nice surprise.

15 hours ago 3 0 0 0

Thanks! One accepted with minor revisions and the other brutally rejected. :-p

19 hours ago 1 0 1 0
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Only mildly stressful having 2 papers with decisions pending at the same journal.....

1 day ago 6 0 1 1

Forgot to tag my co-I! @mickcraig.bsky.social

1 day ago 9 7 0 0
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Whether you cheered, crawled, or cried, there’s nothing quite like crossing the Boston finish line.

Here are some of those emotional moments. trib.al/lJOYfT2

1 day ago 104 27 3 4

Sounds cool. Link?

3 days ago 0 0 1 0
Alprazolam reduces inflammatory cytokine production in pancreatic cancer-associated fibroblasts Abstract. Pancreatic ductal adenocarcinoma (PDAC) diagnoses are often accompanied by a number of physical and psychological symptoms, including anxiety and depression. As a result, many patients are p...

New FeiginLab paper is OUT! A commonly prescribed anti-anxiety drug reduces inflammatory signaling in pancreatic cancer through regulation of cancer-associated fibroblast activity!

aacrjournals.org/cancerrescom...

4 days ago 82 13 8 3

I thought I was going to miss breakfast. French breakfast supercedes any numerical neuroses.

Also, km. Not miles ;)

5 days ago 1 0 1 0
Map showing the run route around the Park de Versailles. The path almost looks like a sailboat

Map showing the run route around the Park de Versailles. The path almost looks like a sailboat

Picture beside a man made lake. There are dozens of white row boats docked and lined up along the shore. After that is very well manicured lawn on the proximal side of the lake after the boats. On the other bank are well manicured trees lining the entire lake. There are no people in the image and the water is almost perfectly calm.

Picture beside a man made lake. There are dozens of white row boats docked and lined up along the shore. After that is very well manicured lawn on the proximal side of the lake after the boats. On the other bank are well manicured trees lining the entire lake. There are no people in the image and the water is almost perfectly calm.

A picture of the Palace of Versailles way off in the distance. In the forefront is a very manicured lawn. Next you see a golden fountain emerging from the water. Then there is a large path leading to Versailles lined with trees and statues of Greek Gods. The sun is rising at the top of the picture

A picture of the Palace of Versailles way off in the distance. In the forefront is a very manicured lawn. Next you see a golden fountain emerging from the water. Then there is a large path leading to Versailles lined with trees and statues of Greek Gods. The sun is rising at the top of the picture

Beautiful day for a run alongside the Versailles Palace gardens.

5 days ago 6 0 1 0
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Notre Dame was to the left.

6 days ago 2 0 0 0
Picture of the River Seine. In the forefront are a bowl of chips and two glasses of wine. In the background is a bridge crossing the river and Parisian buildings

Picture of the River Seine. In the forefront are a bowl of chips and two glasses of wine. In the background is a bridge crossing the river and Parisian buildings

How your email finds @drssfs.bsky.social and I.

6 days ago 6 0 1 0
Image of the square of the Louvre, which has two glass pyramids; one big and one small. In between the two are a lone couple dressed for a wedding (it's about 8 am on a Wednesday, so I don't think they just got married).

Image of the square of the Louvre, which has two glass pyramids; one big and one small. In between the two are a lone couple dressed for a wedding (it's about 8 am on a Wednesday, so I don't think they just got married).

A ginger in a ratty hat with a maple leaf that says Canada and running attire is running along the Seine river. The ginger looks tired.

A ginger in a ratty hat with a maple leaf that says Canada and running attire is running along the Seine river. The ginger looks tired.

An image of the Seine taking from the north side of the river. In the forefront is a blurred image of the stonewall that runs along the Seine. In the distant background is the Eiffel tower. There's also an old stone bridge in view with two pillars with golden statues on top.

An image of the Seine taking from the north side of the river. In the forefront is a blurred image of the stonewall that runs along the Seine. In the distant background is the Eiffel tower. There's also an old stone bridge in view with two pillars with golden statues on top.

Beautiful day for a run along the Seine and through the Louvre courtyard in Paris.

1 week ago 4 0 0 0
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In vitro reconstitution in membrane environment reveals critical lipid dependence of substrate S-acylation by protein palmitoyltransferase enzymes Protein S-acylation, also known as protein palmitoylation, is a common form of post-translational modification and the most abundant form of lipid modification of proteins with several thousands of su...

New paper from our lab !
Thousands of proteins are targets of a form of post translational lipid attachment known as protein S-acylation, commonly as protein palmitoylation. 23 transmembrane zDHHC enzymes catalyze protein S-acylation in humans.

1/n

www.jbc.org/article/S002...

2 months ago 9 3 1 0
Two gingers, a PI and a grad student, are standing in front of a screen with a thesis presentation title in the background. They are trying to open a bottle each of sparkling juice and tea in celebration. On the screen you can partially see Cailyn's artwork showing two hands reaching towards one another. One hand is surrounded by Blue Cornflowers, which represent ALS.

Two gingers, a PI and a grad student, are standing in front of a screen with a thesis presentation title in the background. They are trying to open a bottle each of sparkling juice and tea in celebration. On the screen you can partially see Cailyn's artwork showing two hands reaching towards one another. One hand is surrounded by Blue Cornflowers, which represent ALS.

An overdue post! Very excited to share that Cailyn Perry @cailyncreative.bsky.social successfully defended her Masters thesis at the end of March! Cailyn's thesis was also nominated for the Dean of Science Award for best thesis! Check out the background art

Congratulations again Cailyn! Great job!

1 week ago 6 0 1 1

Science is good. We should fund it.

1 week ago 12638 2530 135 65
Two identical pictures of Canadian Prime Minister Mark Carney. The first has text: "Shares feel good zoom call with Canadian astronaut as public relations exercise." The second has different text: "Cut's funding for Canadian Space Agency by 32.6%"

Two identical pictures of Canadian Prime Minister Mark Carney. The first has text: "Shares feel good zoom call with Canadian astronaut as public relations exercise." The second has different text: "Cut's funding for Canadian Space Agency by 32.6%"

A lot of Canucks feel pride at a Canadian astronaut on a moon mission. The Carney government is milking this opportunity to associate itself with those good feelings while cutting nearly a third of all funding for Canada's space agency.

www.canada.ca/en/treasury-...

1 week ago 112 69 6 1

Carney's cutting science spending, including the development of a Canadian-made lunar rover module.

Wonder if he mentioned that on the call.

1 week ago 268 115 5 5
UC Irvine receives $12 million to test novel stem cell therapy for Huntington’s disease | UC Irvine School of Medicine The CIRM award will support a first-of-its-kind clinical trial of a novel neural stem cell therapy for Huntington’s disease.

Exciting news from our laboratory: UC Irvine receives $12 million to test novel stem cell therapy for Huntington’s disease | UC Irvine School of Medicine share.google/9Z3wiq1dPFk4...

4 months ago 5 2 0 0

ZDHHC17 Links S-Acylation, Huntington Disease, VCP-associated Multisystem Proteinopathy, and Amyotrophic Lateral Sclerosis. www.biorxiv.org/content/10.64898/2026.04...

2 weeks ago 3 1 0 0
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ZDHHC17 Links S-Acylation, Huntington Disease, VCP-associated Multisystem Proteinopathy, and Amyotrophic Lateral Sclerosis. www.biorxiv.org/content/10.64898/2026.04...

2 weeks ago 1 1 0 0

ZDHHC17 Links S-Acylation, Huntington Disease, VCP-associated Multisystem Proteinopathy, and Amyotrophic Lateral Sclerosis. #NeuroDegeneration 🧪🧠
www.biorxiv.org/content/10.64898/2026.04...

2 weeks ago 1 1 0 0

Thanks! By far our biggest paper. 5 labs, 3 disease mouse models, 5 fly lines (plus all their controls), patient cells, and more!

1 week ago 0 0 1 0

So, in the end, we think ZDHHC17 may have an unappreciated role in ALS!

1 week ago 0 0 0 0

When we made ZDHHC17 knockdown flies, they died at the pupal stage, but a few partially emerged.

We wanted to know if this was related to the nervous system or motor neurons.

Total nervous system KD was lethal.

Motor neuron KD flies survived, but had a progressive motor deficits!

1 week ago 2 0 1 0
(A) In healthy neurons wild type HTT is S-acylated (fatty acid represented by red lines) by the protein acyltransferases ZDHHC13 and ZDHHC17 and deacylated by the acyl protein thioesterases APT1 and APT2. In addition to being a substrate of ZDHHC17, HTT also positively modulates the enzymatic activity of ZDHHC17 (indicated by the up arrow beside ‘ZDHHC17’). (B) In an HD neuron, poly-Q expanded mutant HTT (mHTT) is less S-acylated due to reduced interaction with ZDHHC13 and ZDHHC17. In addition, ZDHHC17 activity is lower due to loss of the positive modulatory effect of wild type HTT (indicated by the down arrow beside ‘ZDHHC17’). In contrast, APT1 activity is increased (indicated by the up arrow beside ‘APT1’), likely leading to enhanced deacylation of mHTT. The altered enzymatic activity of these two enzymes, ZDHHC17 and APT1, results in reduced S-acylation of mHTT and other neuronal S-acylated proteins and is associated with mHTT aggregation (green aggregates in the degenerating neuron), cytotoxicity, and ER-Golgi to plasma membrane trafficking deficits. Inhibiting deacylation using the small molecule broad deacylation enzyme inhibitor Palmostatin B (Palm B) and/or the APT1 specific inhibitor ML348 restores S-acylation of HTT and other ZDHHC17 substrates and trafficking deficits, as well as reduces mHTT aggregation and cytotoxicity. Figure created with Biorender.com.

(A) In healthy neurons wild type HTT is S-acylated (fatty acid represented by red lines) by the protein acyltransferases ZDHHC13 and ZDHHC17 and deacylated by the acyl protein thioesterases APT1 and APT2. In addition to being a substrate of ZDHHC17, HTT also positively modulates the enzymatic activity of ZDHHC17 (indicated by the up arrow beside ‘ZDHHC17’). (B) In an HD neuron, poly-Q expanded mutant HTT (mHTT) is less S-acylated due to reduced interaction with ZDHHC13 and ZDHHC17. In addition, ZDHHC17 activity is lower due to loss of the positive modulatory effect of wild type HTT (indicated by the down arrow beside ‘ZDHHC17’). In contrast, APT1 activity is increased (indicated by the up arrow beside ‘APT1’), likely leading to enhanced deacylation of mHTT. The altered enzymatic activity of these two enzymes, ZDHHC17 and APT1, results in reduced S-acylation of mHTT and other neuronal S-acylated proteins and is associated with mHTT aggregation (green aggregates in the degenerating neuron), cytotoxicity, and ER-Golgi to plasma membrane trafficking deficits. Inhibiting deacylation using the small molecule broad deacylation enzyme inhibitor Palmostatin B (Palm B) and/or the APT1 specific inhibitor ML348 restores S-acylation of HTT and other ZDHHC17 substrates and trafficking deficits, as well as reduces mHTT aggregation and cytotoxicity. Figure created with Biorender.com.

Long story short. Maybe. Our search of S-acylating studies found that ZDHHC17 regulates VCP & TDP-43 localization, but in an S-acylation dependent & independent manner, respectively!

ZDHHC17 is also known as Huntingtin-interacting protein 14 (HIP14) & has been linked to HD.
tinyurl.com/2ytf92rj

1 week ago 0 0 1 0

C9Orf72 mutations are the primary cause of familial (inherited) ALS. VCP acts like SQSTM1 in autophagy (cell clearance pathway), but it leads to TDP-43 mislocalization in the brain, bones, & muscle (altogether known as multisystem proteinopathy or MSP).

So, is S-acylation a link in HD, ALS & MSP?

1 week ago 0 1 1 0