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Karyn

@kaesser.bsky.social
838 followers 544 following 70 posts

Scientist who loves most things muscle and circadian clocks. Lives in Florida and is part of the UF Myology community. Considers Chicago her home, Chicago Cubs fan and loves all dogs. Pronouns: She/Her ORCID: 0000-0002-5791-1441

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Reposted by Karyn
Jeremy Berg @jeremymberg.bsky.social · 15/08/2026
Come on, folks. Your chance to get you voice heard. It’s comment time! (until October 13th)
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Harmit Singh Malik @harmitmalik.bsky.social · 06/08/2026
Come be our colleague. I have been in this Division for 27 years (4 as a postdoc and 23 as a PI). It is an amazing place to work, collaborate, and be inspired. If you are applying to be an Assistant or Associate Professor this Fall, don't miss this deadline.
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Wu Tsai Human Performance Alliance @wutsaialliance.bsky.social · 04/08/2026
A study in mice by @kaesser.bsky.social and team at the @ufresearch.bsky.social suggests that exercising on a consistent daily schedule teaches the molecular clocks inside your muscles when to expect a workout and primes them to perform their best. humanperformancealliance.org/news/when-yo...
humanperformancealliance.org
When you train may be as important as how hard you train
June 08, 2026
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Karyn @kaesser.bsky.social · 03/08/2026
Agree completely.
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Reposted by Karyn
I-75 Scientist @flscitriguy.bsky.social · 28/07/2026
For those interested in applying for an R25 (PA-27-036) to support Summer UG Research, Postbac, or even masters students, additional information on NIGMS priorities and some FAQs can be found here: www.nigms.nih.gov/training/Pag...
nigms.nih.gov
Research Education Program - Research Experiences (R25) | National Institute of General Medical Sciences
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Reposted by Karyn
Erik Herzog @erikherzog.bsky.social · 19/06/2026
Join us! Ask Me Anything as part of the #SRBR World Circadian Day. Organized with expert researchers and physicians studying #biologicalrhythms and #sleep. Real-time responses starting in just 5 circadian cycles from now.
World Circadian Day. June 24, 9-11am Pacific Daylight Time. https://reddit.com/r/science
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Harmit Singh Malik @harmitmalik.bsky.social · 17/06/2026
One of the world's most tightly controlled experimental evolution projects is underway in DC, and I hope someone has had the foresight to collect a time series of algal samples. www.cnn.com/2026/06/16/p...
cnn.com
Reflecting Pool woes: Trump administration turns to hydrogen peroxide in latest bid to beat back algae | CNN Politics
President Donald Trump’s more than $14 million Lincoln Memorial Reflecting Pool renovation was completed just over a week ago, with its more than 300,000 square feet refilled with 6.5 million gallons ...
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Karyn @kaesser.bsky.social · 14/06/2026
Happy Birthday
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Karyn @kaesser.bsky.social · 03/05/2026
Congratulations. Impressive
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Karyn @kaesser.bsky.social · 24/04/2026
Beautiful day for a walk in Minneapolis. Midday break before re-joining colleagues at the American Physiological Society Summit meeting
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Karyn @kaesser.bsky.social · 05/04/2026
We told them we hid 60 eggs but really … 58. Worked quite well
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Karyn @kaesser.bsky.social · 18/03/2026
When you are curious and love science it happens!
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Karyn @kaesser.bsky.social · 06/03/2026
My favorite
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Karyn @kaesser.bsky.social · 27/02/2026
Thank you! I was hoping someone would work on this. Been curious
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Karyn @kaesser.bsky.social · 21/01/2026
It’s one good step but unless the multiyear funding is significantly diminished it will be another year of significant declines in funded grants.
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Reposted by Karyn
Hao Yin @haoyin.bsky.social · 21/12/2025
MechanoEnhancer Fibroblast Matrix Stiffness 50 vs 1 kPa 👉Bulk RNAseq 👉On-plate Omni ATACseq (NO detachment required🤠) ▶️Anoikis mechanoenhancer (BMF) 👉HiCAR 👉CRSIPRi epigenomic editing 21.8% putative mechanoenhancers "skipped 5 or more genes"😎 #Science 2025 www.science.org/doi/10.1126/...
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Karyn @kaesser.bsky.social · 16/12/2025
Congrats @erikherzog.bsky.social Really nice work
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I-75 Scientist @flscitriguy.bsky.social · 11/12/2025
I think some folks might be happy to see this. NIGMS MIRA R35 for EI/NI has been published. PAR-26-121 files.simpler.grants.gov/opportunitie...
files.simpler.grants.gov
PAR-26-121: Maximizing Investigators' Research Award (MIRA) (R35 - Clinical Trial Optional)
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Karyn @kaesser.bsky.social · 22/11/2025
It would work!
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Karyn @kaesser.bsky.social · 21/11/2025
So sorry. Bad streak
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I-75 Scientist @flscitriguy.bsky.social · 07/11/2025
Apparently the postings are up for several NIH director positions. Deadlines between 11/14 and 11/21. hr.nih.gov/careers/care...
hr.nih.gov
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Beth Schroder @bethaschroder.bsky.social · 02/11/2025
Thrilled to share our Creative Concepts paper published in Heart Rhythm on how the circadian clock gene Bmal1 mediates sex specific cardiac ion channel expression. authors.elsevier.com/a/1m1jJ5VtUy... @kaesser.bsky.social @bpdelisle.bsky.social @abhiprabhat.bsky.social
authors.elsevier.com
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Karyn @kaesser.bsky.social · 23/09/2025
One of the reasons I enjoy morning walks in my Gainesville neighborhood. Moms, a dad, young ones and the piebald.
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Harmit Singh Malik @harmitmalik.bsky.social · 31/07/2025
NIH wants to hear from you. No really. Request for Information on Maximizing Research Funds by Limiting Allowable Publishing Costs grants.nih.gov/grants/guide...
grants.nih.gov
NOT-OD-25-138: Request for Information on Maximizing Research Funds by Limiting Allowable Publishing Costs
NIH Funding Opportunities and Notices in the NIH Guide for Grants and Contracts: Request for Information on Maximizing Research Funds by Limiting Allowable Publishing Costs NOT-OD-25-138. NIH
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I-75 Scientist @flscitriguy.bsky.social · 13/06/2025
Also be sure to read the instructions a Forms I SF424. These Fs will have the new format/review instructions so there are different components from the previous NOFOs.
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Karyn @kaesser.bsky.social · 03/06/2025
Sherwood
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Reposted by Karyn
James N. Sleigh @jamessleigh.bsky.social · 21/05/2025
If you're struggling to visualise mouse NMJs, we've got a protocol just for you! bio-protocol.org/en/bpdetail?... Dissection and whole-mount immunofluorescent staining of mouse hind paw muscles for #NMJ analysis Lovely work from Rebecca Simkin @uclqsion.bsky.social @nicolbirsa.bsky.social‬
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Karyn @kaesser.bsky.social · 11/05/2025
Cancer induced FoxP1 expression in muscle reprograms muscle clock output. Why does this matter? By co-opting normal clock output, FoxP1 is disrupting homeostatic pathways important for muscle health. We posit that this clock disruption could be a factor contributing to cachectic outcomes.
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Karyn @kaesser.bsky.social · 11/05/2025
Its taken a few years but finally had science fun collaborating with @andyjudge24.bsky.social, @sarahjudge.bsky.social and the talented postdoc @jbducharme.bsky.social with support from Miguel Gutierrez-Monreal. Cancer and the muscle clock. 1/ www.cell.com/cell-reports...
cell.com
Cancer-induced FOXP1 disrupts and reprograms skeletal-muscle circadian transcription in cachexia
Ducharme et al. investigate the impact and crosstalk between cancer and FoxP1 on the skeletal-muscle circadian transcriptome that mediates time-of-day-dependent biological functions. They reveal cance...
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Abigail Mackey @abigailmackey1.bsky.social · 07/05/2025
Our 2026 PhD course is now open for registration🤩 @ismcopenhagen.bsky.social Copenhagen, 5-7 October 2026 Musculoskeletal tissue regeneration – mechanisms and clinical perspectives Exciting topics and expert teachers - come join us! phdcourses.ku.dk/DetailKursus...
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Carolyn Bertozzi @carolynbertozzi.bskyverified.social · 30/04/2025
“Given the very real consequences for our competitiveness, our standard of living and, yes, also our bottom lines, we all ought to be making the case for aggressively funding basic science.” www.nytimes.com/2025/04/28/o...
nytimes.com
Opinion | The White House Tech Bros Owe Their Fortunes to the Research They’re Killing
Underlying many investments are breakthroughs in medicine and technology from great universities.
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Karyn @kaesser.bsky.social · 29/04/2025
Sorry that is lousy
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Karyn @kaesser.bsky.social · 28/04/2025
Congratulations!!!!
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Karyn @kaesser.bsky.social · 23/04/2025
I am happy to see 5 of the Regents of University of Michigan write this piece in support of university independence.
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Karyn @kaesser.bsky.social · 07/04/2025
Happy birthday
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Reposted by Karyn
Mary Harrington @mharring.bsky.social · 28/03/2025
I’m looking for a new research assistant! Please share with recent (or soon to be) graduates! www.linkedin.com/jobs/view/41...
linkedin.com
Smith College hiring Research Assistant in Northampton, MA | LinkedIn
Posted 11:09:11 PM. If you have any questions about the position or our application process, reach out to us at…See this and similar jobs on LinkedIn.
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Karyn @kaesser.bsky.social · 21/03/2025
Great talk!
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Karyn @kaesser.bsky.social · 20/03/2025
@dadapisconti.bsky.social presenting her work on neutrophil elastase in muscle regeneration. Great science presented along with good humor
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Karyn @kaesser.bsky.social · 20/03/2025
Awwww, just hang out more at UF
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Karyn @kaesser.bsky.social · 20/03/2025
Well, some of us might think those cells hanging around - terminally differentiated ones like muscle fibers and neurons- provide a significant amount of continued identity.
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Karyn @kaesser.bsky.social · 19/03/2025
Nice morning at La Chua trail with my muscle and clocks friends before the meeting starts. Jake Chen, Clara Peek and Mattia Q. Lots of gators out sunning themselves
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Reposted by Karyn
gabriellekardon.bsky.social @gabriellekardon.bsky.social · 19/03/2025
Looking to conduct research in molecular biology and genetics? Come join the Kardon lab! Looking for lab tech to help research the role of stem cells in muscle development and regeneration and determine the effects of viral infection on muscle. Funding independent of federal resources. Please share!
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Karyn @kaesser.bsky.social · 18/03/2025
Wish you were here!
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Karyn @kaesser.bsky.social · 17/03/2025
Studying metabolism? Pay attention to time of day Nice collaborative review led by Satchin Panda www.nature.com/articles/s42...
nature.com
The time is now: accounting for time-of-day effects to improve reproducibility and translation of metabolism research - Nature Metabolism
This broad group of authors summarizes the impact of circadian factors on metabolic biology and offers recommendations on how to account for and report biological, environmental and experimental facto...
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Karyn @kaesser.bsky.social · 17/03/2025
And like the MDA meeting we will miss our NIH colleagues. Hoping to see them back next time
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Karyn @kaesser.bsky.social · 17/03/2025
It’s Gainesville muscle meeting week. Weather report. Sunny and 70s. A bit chilly in the mornings. Always a great week of science, seeing old friends and making new ones.
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Julie Kiefer @julieckiefer.bsky.social · 14/03/2025
Each year, scientists, including the @utah.edu's own @gabriellekardon.bsky.social @uuhsresearch.bsky.social and Mike Shapiro @uofubiology.bsky.social, review Sundance films through a scientific lens, revealing fascinating insights. Published in @science.org -read on www.science.org/doi/10.1126/...
science.org
Science at Sundance 2025
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Karyn @kaesser.bsky.social · 14/03/2025
A quick look at the paper and it’s not clear if the mice were run in the light (rest phase) or dark (active phase)? If during the light, one might imagine the stress is higher than if run when the mice are normally active in the dark. It’s important to consider when - with exercise interventions
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Karyn @kaesser.bsky.social · 13/03/2025
Thanks
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Karyn @kaesser.bsky.social · 13/03/2025
Interesting study, nice work. Looking at Figure 3. Is sarcomere length different in the VL compared to soleus, gastrocnemius muscles?? Or could that reflect joint position at fixation??
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