My barista today made me a latte with a coronal section of a mouse brain on the top.
John Speakman
@johnspeakman4.bsky.social
Scientist interested in energy balance - hence obesity and aging. Running labs in China (Shenzhen) and Scotland (Aberdeen). Co_EIC life metabolism. Also likes photography: especially wildlife.
Common green bottle fly (Lucilia sp.). So beautiful a thing commonly swatted to a pulp without a second thought.
Our reviewer rewards recognise the vital contribution reviewers make to the publishing process. When you review an article in one of our journals, you'll be eligible for a discount towards the Article Processing Charge of publishing in our fully open access journals: royalsociety.org/journals/rev...
New issue online in Life Metabolism: Vol. 5 Issue 2 brings together new work on mitophagy, gut circadian rhythms, MASLD, calorie restriction, β-cell function, fasting-induced hepatic lipid metabolism, and precision nutrition. Explore the full issue: academic.oup.com/lifemeta/iss...
Volume 5 Issue 2 | Life Metabolism | Oxford Academic
Life Metabolism aims to provide an open access platform for the publication of works of high significance and broad interest in all areas of metabolism
academic.oup.com
Original Article @johnspeakman4.bsky.social: A functionally integrated cross-tissue alternative splicing program during short-term calorie restriction doi.org/10.1093/life...
Validate User
doi.org
New issue online | Life Metabolism Vol. 5 Issue 1 features Research Highlights and Original Articles spanning circadian metabolism, macrophage sensing, gut urate metabolism, the gut–liver axis, lean MAFLD, and hepatic autophagy. Read the issue: academic.oup.com/lifemeta/iss...
really looking forwards to this... lets hope there will be enough jet fuel to attend!!
Lawrence Kazak@kazaklab.bsky.social · 4mo agoSpeaker Spotlight: @johnspeakman4.bsky.social Join us @ #AdiposeBiology Conference in Montreal🇨🇦, Oct 7-9, 2026, to hear from this leading #metabolism expert! Register before the early bird deadline at: adiposebiology.com @mcgillgci.bsky.social @uniofaberdeen.bsky.social @sablesys.bsky.social
Reducing the strain on calorie restriction @johnspeakman4.bsky.social url: academic.oup.com/lifemeta/art...
Reducing the strain on calorie restriction
Abstract. Calorie restriction (CR) is a nutritional intervention known to delay aging and extend lifespan across a wide range of species, raising the possi
academic.oup.com
RACMEM 2025 is over and everyone is home safely. Time for some relaxation and photography. White throated kingfisher. zoom in for feather details. Nikon Z9 with 600m f4 lens. 1/1000s f5.6.
Immature black winged stilt. Shenzhen. October 2025. Nikon z9 600mm f4 1/10000s
RACMEM 2025 Important notice Registrations will close on the 30th September (or when venue capacity is reached if sooner). Late registrations will not be accepted. If you wish to attend and didn't yet register this is your last chance. Please register at www.racmem.com Please retweet.
Home | RACMEM
Recent Advances and Controversies in the Measurement of Energy Metabolism
racmem.com
Bee fly eye. Zoom in for detail of ommatidia. Nikon z9 with 105,, f2.8 macro and 250 Raynox. 1/6400 s f10
After years of work with @juliabelluz.bsky.social, it's hard to believe that our book FOOD INTELLIGENCE will be published this month! @barnesandnoble.com has 25% off pre-orders placed on Sept 3-5. www.barnesandnoble.com/w/food-intel...
Bee fly with pollen on its face. Nikon z9 with 105mm f2.8 macro lens and Raynox 250. 1/6400 s f10.
Two flies on a dead shrew. Nikon Z9 with 105mm f2.8 macro lens with raynox 250 fitted. !/6400 s f4
Singer and bassist. Meeting jazz club, Shenzhen. Nikon Z6
Li River. Guilin to Yongshou. 2006. Taken on film and now digitised.
flying carrion crow against blue sky. Aberdeen, Scotland, UK. August 2025. Nikon Z9 with 200mm f2.8 lens. 1/10000s
RACMEM 2025 Abstract submission for contributed short talks and posters is now open. There will be a bunch of 500 USD prizes for the best talks and posters, by ECRs, post docs and students. Abstract submission form at racmem.com
Home | RACMEM
Recent Advances and Controversies in the Measurement of Energy Metabolism
racmem.com
wood pigeon on silver birch tree. Aberdeen. May 2025.
Chinese pond heron in summer plumage. May 2025. Shenzhen. Nikon z6.
Food insecurity drives obesity and adiposity, but how is unclear. A recent study by @clemmensenc.bsky.social developed a mouse model for this phenomenon lnkd.in/d8pEp2qv Happy to share a commentary written with @johnspeakman4.bsky.social with our take on that study doi.org/10.1002/oby....
Scarce and unpredictable, yet obesogenic: modeling the impact of food insecurity on adiposity in mice
Click on the article title to read more.
doi.org
Check out this great commentary by @bartolomuccilab.bsky.social and @johnspeakman4.bsky.social on our recent paper, that investigates the role of #foodinsecurity on energy homeostasis and #adiposity in mice 💡
Alessandro Bartolomucci Lab@bartolomuccilab.bsky.social · last yr.Food insecurity drives obesity and adiposity, but how is unclear. A recent study by @clemmensenc.bsky.social developed a mouse model for this phenomenon lnkd.in/d8pEp2qv Happy to share a commentary written with @johnspeakman4.bsky.social with our take on that study doi.org/10.1002/oby....
Issues of diet design in rodent studies discussed here with @kevinh-phd.bsky.social @johnspeakman4.bsky.social pubmed.ncbi.nlm.nih.gov/37485302/
Chowing down: diet considerations in rodent models of metabolic disease - PubMed
Diet plays a substantial role in the etiology, progression, and treatment of chronic disease and is best considered as a multifaceted set of modifiable input variables with pleiotropic effects on a va...
pubmed.ncbi.nlm.nih.gov
RACMEM 2025 to be held in Shenzhen 13th to 17th October is now open for registration. Please spread the word. www.racmem.org
Home | RACMEM
Recent Advances and Controversies in the Measurement of Energy Metabolism
racmem.org
Looking for new drugs to treat obesity by repurposing old ones. Very happy to have been part of this study looking at the weight loss effects of Halofuginone acting via both FGF21 and GDF15. In Science Advances www.science.org/doi/10.1126/...
The clinical antiprotozoal drug halofuginone promotes weight loss by elevating GDF15 and FGF21
Halofuginone curbs weight gain in mice and pigs.
science.org
Coming soon. Registration for RACMEM 2025 to be held in Shenzhen China will open in early April. Keep an eye on the site www.racmem.com places limited to 230. please retweet (or whatever the equivalent is on here)
Home | RACMEM
Recent Advances and Controversies in the Measurement of Energy Metabolism
racmem.com
MAHA nutrition advisor & chiropractor says the 1st nutrition issue he wants addressed is the 'food pyramid', a USDA food guide tool that was sunset in 2011 (it's been MyPlate since). Glad to see we are finally taking nutrition very seriously. www.foxnews.com/food-drink/a...
American nutrition a top priority for MAHA as the 'Knowledge Doc' weighs in
"The Knowledge Doc" Eric Berg is taking a stand in the fight for better nutrition as RFK Jr. moves to challenge food industry to "Make America Healthy Again."
foxnews.com