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Karyn

@kaesser.bsky.social
835 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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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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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 · 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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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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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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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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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
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 · 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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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 · 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 · 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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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 · 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
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 · 13/03/2025
Yet another report on the economic value of NIH investments The indiscriminate and large cuts are illogical and harmful I am angry www.forbes.com/sites/michae...
forbes.com
NIH Grants Fueled $95 Billion In FY 2024 Economic Activity, Finds New Report
National Institutes of Health grants generated almost $95 billion in economic activity nationwide in FY 2024 according to a new report by United for Medical Research.
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Karyn @kaesser.bsky.social · 12/02/2025
Always fun to work with @bethaschroder.bsky.social and @bpdelisle.bsky.social But honestly, should I really care about ion channels? 😂
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Karyn @kaesser.bsky.social · 01/02/2025
Beautiful day for the Spings Run in Gainesville. Hard to beat February in Florida! Many in the lab running. Stay tuned
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Harmit Singh Malik @harmitmalik.bsky.social · 28/01/2025
If you have been affected by the fires in LA, or are concerned about your ability to keep precious Drosophila strains going during the latest funding crisis, we will host your strains as a backup. Please email me. Please amplify. If you are also able to host fly strains, add your name as well.
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Karyn @kaesser.bsky.social · 11/01/2025
In Lexington and snowed (+iced) in. A large group of floofy robins are hanging out on our tree out back. I had a bit of a stare down with this one.
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Orlando Laitano @olaitano.bsky.social · 07/01/2025
I hope everyone had a terrific holiday! Happy New Year! 🎉 A friendly reminder all ASMB abstracts for poster presentation are due February 19th (with a paid registration). We are at ~50% capacity so register soon to save your spot! #myoblue myology.institute.ufl.edu/conferences/...
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Karyn @kaesser.bsky.social · 29/12/2024
I’ve been a bit slow on re-posting but @mattmuscleguy.bsky.social does a great job for the #myo-name-your-platform community. Thanks for keeping the top 10 papers of the year. This one is one of my favorites too.
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Karyn @kaesser.bsky.social · 24/12/2024
Really excited to get started on this collaboration on dystrophin (and mutations) in the SCN
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Karyn @kaesser.bsky.social · 15/12/2024
Ok @mikefeigin.bsky.social I am taking the Detroit Lions this afternoon!
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Andy Judge @andyjudge24.bsky.social · 14/12/2024
Abstract deadline to be considered for an oral presentation at the 2025 Advances in Skeletal Muscle Biology Conference is tomorrow (Dec 15) ⏱️✍️ @myoblue.bsky.social
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Karyn @kaesser.bsky.social · 11/12/2024
New paper from Spencer Procopio and Xiping Zhang and other colleagues. While looking at sex specificity in mouse heart circadian transcriptome we found that Bmal1 is a key upstream TF in cardiomyocytes for non-circadian sex differences as well academic.oup.com/function/adv...
academic.oup.com
The core circadian clock factor, Bmal1, transduces sex-specific differences in both rhythmic and non-rhythmic gene expression in the mouse heart
Abstract. It has been well established that cardiovascular diseases exhibit significant differences between sexes in both preclinical models and humans. In
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brian_delisle @bpdelisle.bsky.social · 03/12/2024
⏰ Procopio & @kaesser.bsky.social review how #exercise timing impacts skeletal muscle clocks ⏰ 🏋️‍♂️ AM and PM exercise shift #Circadian rhythms differently- enhancing metabolic and anti-inflammatory benefits 🏊‍♀️ 🏃‍♀️ 🏋🏻‍♀️ as a chrono-therapeutic 😮 👉 www.sciencedirect.com/science/arti... #Science #Physiology
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mattiaquattro.bsky.social @mattiaquattro.bsky.social · 02/12/2024
The first review paper by @kaesser.bsky.social lab in the special JMCC issue on "Circadian Determinants of Cardiovascular Health" that I'm co-guest editing together with Martin Young (UAB) and Sumanth Prabhu (WUSTL), is out! Check it out here www.jmcc-online.com/article/S002...
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Anthony Hessel, PhD @hesselanthony.bsky.social · 29/11/2024
#MyoBlue 🧪🔬👩‍🔬👨‍🔬💪♥️. PhD student and Postdoc Jobs that are academic / industry hybrids! Contact me for details!
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Karyn @kaesser.bsky.social · 29/11/2024
I am excited to share a new review led by Spencer Procopio, a PhD student in the lab. Clockwork conditioning: Aligning the skeletal muscle clock with time of exercise focusing on cardiometabolic health. www.sciencedirect.com/science/arti...
sciencedirect.com
Clockwork conditioning: Aligning the skeletal muscle clock with time-of-day exercise for cardiometabolic health
Circadian rhythms have evolved to synchronize gene expression, physiology, and behavior with time-of-day changes in the external environment. In every…
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Karyn @kaesser.bsky.social · 28/11/2024
Happy Thanksgiving- hanging in Kentucky with family. And local “friends” Looking forward to lots of good science on this space
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Karyn @kaesser.bsky.social · 23/11/2024
Enjoying a visit to Savannah for the SfRBM meeting. Looking forward to learning lots
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Matthew Alexander, PhD @mattmuscleguy.bsky.social · 21/11/2024
Top 10 Matt's Biased Muscle Papers of the Year for 2024 Poll! Choose from 13 papers and the top vote-getter will be announced during the yearly countdown at the end of Dec. Add your favorite paper and I will add it to the list! qualtricsxmw99jp43cl.qualtrics.com/jfe/form/SV_...
qualtricsxmw99jp43cl.qualtrics.com
Qualtrics Survey | Qualtrics Experience Management
The most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today.
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Karyn @kaesser.bsky.social · 20/11/2024
Sharing the video of NIH director and congress. Important topic to track. Also a reminder to - when possible - share the importance of NIH and the research it supports. For both economic and human health reasons
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brian_delisle @bpdelisle.bsky.social · 20/11/2024
🚨 #AJP-Cell 📢 CALL FOR PAPERS: #Autonomic #Signaling & #Cell #Physiology Seeking 🤯 research on ANS regulation 💥 • Molecular mechanisms • Disease interventions • Signal transduction • Therapeutic approaches • Organ function Please repost! journals.physiology.org/ajpcell/cfp-...
journals.physiology.org
Exploring Autonomic Signaling and Cell Physiology
<p>The <em>American Journal of Physiology-Cell Physiology</em> is dedicated to innovative approaches to the study of cell and molecular physiology. Contributions that use cellular and molecular approa...
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#MyoBlue @myoblue.bsky.social · 18/11/2024
Tag us @myoblue.bsky.social or use #MyoBlue to alert us to new papers, job postings, conference/seminar announcements, or professional accomplishments! This account was created to share any and everything #MyoBlue -related. Please RT to help better connect our community!
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Abigail Mackey @abigailmackey1.bsky.social · 18/11/2024
🤩How does exercise keep us strong? Led by Casper Soendenbroe, motor neurons are better supported by muscle stem cells and fibroblasts from life long exercisers v inactive ppl🏃 #keepmoving 🙏 @benchazaud.bsky.social #TeamLyon 🙏 @lundbeckfonden @ismcopenhagen.bsky.social doi.org/10.1111/acel...
doi.org
Muscle fibroblasts and stem cells stimulate motor neurons in an age and exercise‐dependent manner
Muscle biopsies were taken from males and females differing in age and exercise habits. Mononucleated cells were isolated and purified into muscle stem cells (MuSC) and muscle fibroblasts (FIB). Neur...
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brian_delisle @bpdelisle.bsky.social · 16/11/2024
🌙 Ever wondered how artificial light at night affects your #autonomic nerves and #heart? New #circadian research with @bethaschroder.bsky.social reveals some surprising sex-specific effects on cardiovascular health in mice 🐭 #ChronoBiology #HeartHealth #shiftwork www.nature.com/articles/s42...
nature.com
Dim light at night unmasks sex-specific differences in circadian and autonomic regulation of cardiovascular physiology - Communications Biology
Restricted feeding to the dim light at night restores disrupted day-night autonomic and cardiovascular rhythms but not activity in male and female mice.
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Jacob Smith @jacobsmithsci.bsky.social · 16/11/2024
🧪 ⏰️ Are you looking to start a PhD? Interested in circadian rhythms & inter-organ crosstalk? Up for living in Barcelona? (who isnt?). If 3 yeses, get in touch via my website (link in bio). Shares appreciated 🙏 #science #circadian #interorgan #metabolism #liver #muscle #PhD #newPI
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