John F. Cryan
@jfcryan.bsky.social
VP Research & Innovation, University College Cork @ucc.ie @uccresearch.bsky.social |PI @apcmicrobiomeirel.bsky.social |Prof Dept. Anatomy & Neuroscience |MRIA @ria.ie|
Stress, Microbiota-Gut-Brain Axis, Brain-Body Interactions, Research Policy
Stress, Microbiota-Gut-Brain Axis, Brain-Body Interactions, Research Policy
Pinned
John F. Cryan
@jfcryan.bsky.social
· Jan 19
180 Years of Research at University College Cork
YouTube video by UCC Research
youtu.be
We are delighted to present a short video celebrating 180 years of research and innovation at University College Cork @ucc.ie
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
Reposted by John F. Cryan
What a great way to end the week! Thanks @jfcryan.bsky.social for the fantastic talk and discussion ! We are all delighted here @cbitoulouse.bsky.social
February 13, 2026 at 5:02 PM
What a great way to end the week! Thanks @jfcryan.bsky.social for the fantastic talk and discussion ! We are all delighted here @cbitoulouse.bsky.social
Reposted by John F. Cryan
Fascinating new link between stress, liver tryptophan metabolism, and liver cancer in this new article @natmetabolism.nature.com www.nature.com/articles/s42...
We unpack it in our Nature Metabolism News & Views with John Cryan & Gerard Clarke, have a read: rdcu.be/eZHvs
We unpack it in our Nature Metabolism News & Views with John Cryan & Gerard Clarke, have a read: rdcu.be/eZHvs
January 19, 2026 at 3:37 PM
Fascinating new link between stress, liver tryptophan metabolism, and liver cancer in this new article @natmetabolism.nature.com www.nature.com/articles/s42...
We unpack it in our Nature Metabolism News & Views with John Cryan & Gerard Clarke, have a read: rdcu.be/eZHvs
We unpack it in our Nature Metabolism News & Views with John Cryan & Gerard Clarke, have a read: rdcu.be/eZHvs
Reposted by John F. Cryan
New APC paper in the Journal of Human Nutrition & Dietetics.
First author Aimone Ferri and colleagues validate a tool to measure fermented food intake. The study forms part of the research programme of @jfcryan.bsky.social group at APC.
doi.org/10.1111/jhn....
#microbiome #ucc #teagasc #kefir
First author Aimone Ferri and colleagues validate a tool to measure fermented food intake. The study forms part of the research programme of @jfcryan.bsky.social group at APC.
doi.org/10.1111/jhn....
#microbiome #ucc #teagasc #kefir
February 4, 2026 at 11:39 AM
New APC paper in the Journal of Human Nutrition & Dietetics.
First author Aimone Ferri and colleagues validate a tool to measure fermented food intake. The study forms part of the research programme of @jfcryan.bsky.social group at APC.
doi.org/10.1111/jhn....
#microbiome #ucc #teagasc #kefir
First author Aimone Ferri and colleagues validate a tool to measure fermented food intake. The study forms part of the research programme of @jfcryan.bsky.social group at APC.
doi.org/10.1111/jhn....
#microbiome #ucc #teagasc #kefir
From Fork to Feelings: How Foods Shape Mental Health via the Microbiota–Gut–Brain Axis
Latest review out in @annualreviews.bsky.social -Well done Aimone Ferri, Laise Paes & @elizschneider.bsky.social
www.annualreviews.org/content/jour...
@apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social
Latest review out in @annualreviews.bsky.social -Well done Aimone Ferri, Laise Paes & @elizschneider.bsky.social
www.annualreviews.org/content/jour...
@apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social
February 3, 2026 at 10:31 PM
From Fork to Feelings: How Foods Shape Mental Health via the Microbiota–Gut–Brain Axis
Latest review out in @annualreviews.bsky.social -Well done Aimone Ferri, Laise Paes & @elizschneider.bsky.social
www.annualreviews.org/content/jour...
@apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social
Latest review out in @annualreviews.bsky.social -Well done Aimone Ferri, Laise Paes & @elizschneider.bsky.social
www.annualreviews.org/content/jour...
@apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social
Reposted by John F. Cryan
Expanding Horizon Europe’s Pillar III is very welcome, but researchers and universities are absent from this part of the Commission’s #FP10 proposal.
🏛️ Universities should be explicitly recognised and included as participants.
📄 Our analysis: https://bit.ly/4nxoFL4
🏛️ Universities should be explicitly recognised and included as participants.
📄 Our analysis: https://bit.ly/4nxoFL4
January 28, 2026 at 11:33 AM
Expanding Horizon Europe’s Pillar III is very welcome, but researchers and universities are absent from this part of the Commission’s #FP10 proposal.
🏛️ Universities should be explicitly recognised and included as participants.
📄 Our analysis: https://bit.ly/4nxoFL4
🏛️ Universities should be explicitly recognised and included as participants.
📄 Our analysis: https://bit.ly/4nxoFL4
Reposted by John F. Cryan
Nice reading to refresh the knowns and unknowns on feeding gut microbes to nourish the brain
Kudos to @jfcryan.bsky.social , @elizschneider.bsky.social et al.
@natmetabolism.nature.com
https://www.nature.com/articles/s42255-024-01108-6
Kudos to @jfcryan.bsky.social , @elizschneider.bsky.social et al.
@natmetabolism.nature.com
https://www.nature.com/articles/s42255-024-01108-6
January 21, 2026 at 7:36 AM
Nice reading to refresh the knowns and unknowns on feeding gut microbes to nourish the brain
Kudos to @jfcryan.bsky.social , @elizschneider.bsky.social et al.
@natmetabolism.nature.com
https://www.nature.com/articles/s42255-024-01108-6
Kudos to @jfcryan.bsky.social , @elizschneider.bsky.social et al.
@natmetabolism.nature.com
https://www.nature.com/articles/s42255-024-01108-6
So proud of @rabal97.bsky.social who successfully defended her PhD yesterday. Her work on fermented foods was an outstanding collaborative effort between @pauldcotter.bsky.social lab at Teagasc and my own.
Huge thanks to her excellent Examiners @mireiavallesc.bsky.social & Aonghus Lavelle
Huge thanks to her excellent Examiners @mireiavallesc.bsky.social & Aonghus Lavelle
January 21, 2026 at 1:30 PM
So proud of @rabal97.bsky.social who successfully defended her PhD yesterday. Her work on fermented foods was an outstanding collaborative effort between @pauldcotter.bsky.social lab at Teagasc and my own.
Huge thanks to her excellent Examiners @mireiavallesc.bsky.social & Aonghus Lavelle
Huge thanks to her excellent Examiners @mireiavallesc.bsky.social & Aonghus Lavelle
The Microbiota Shapes Central Nervous System Myelination in Early Life
Really excited to see this paper out-A great cross-species collaboration with David Lyons, Edinburgh & Iiris Hovatta Helsinki.
Huge kudos to former PhD student Caoimhe Lynch et al advanced.onlinelibrary.wiley.com/doi/10.1002/...
Really excited to see this paper out-A great cross-species collaboration with David Lyons, Edinburgh & Iiris Hovatta Helsinki.
Huge kudos to former PhD student Caoimhe Lynch et al advanced.onlinelibrary.wiley.com/doi/10.1002/...
January 20, 2026 at 4:06 PM
The Microbiota Shapes Central Nervous System Myelination in Early Life
Really excited to see this paper out-A great cross-species collaboration with David Lyons, Edinburgh & Iiris Hovatta Helsinki.
Huge kudos to former PhD student Caoimhe Lynch et al advanced.onlinelibrary.wiley.com/doi/10.1002/...
Really excited to see this paper out-A great cross-species collaboration with David Lyons, Edinburgh & Iiris Hovatta Helsinki.
Huge kudos to former PhD student Caoimhe Lynch et al advanced.onlinelibrary.wiley.com/doi/10.1002/...
Reposted by John F. Cryan
A new research study has uncovered a previously unknown role that our gut plays in regulating early brain development.
The study, led by researchers from @apcmicrobiomeirel.bsky.social @ucc.ie, is published in the prestigious international journal Advanced Science.
www.ucc.ie/en/research/...
The study, led by researchers from @apcmicrobiomeirel.bsky.social @ucc.ie, is published in the prestigious international journal Advanced Science.
www.ucc.ie/en/research/...
Gut Microbes Play a Role in Early Brain Development | University College Cork
Learn, Study and Research in UCC, Ireland's first 5 star university. Our tradition of independent thinking will prepare you for the world and the workplace in a vibrant, modern, green campus.
www.ucc.ie
January 20, 2026 at 10:57 AM
A new research study has uncovered a previously unknown role that our gut plays in regulating early brain development.
The study, led by researchers from @apcmicrobiomeirel.bsky.social @ucc.ie, is published in the prestigious international journal Advanced Science.
www.ucc.ie/en/research/...
The study, led by researchers from @apcmicrobiomeirel.bsky.social @ucc.ie, is published in the prestigious international journal Advanced Science.
www.ucc.ie/en/research/...
Reposted by John F. Cryan
I'm pleased to share our newest publication where we developed and validated a questionnaire to assess fermented food intake, led by PhD student and dietitian Aimone Ferri!
lnkd.in/duU8Jfd2
@jfcryan.bsky.social @pauldcotter.bsky.social @rabal97.bsky.social
lnkd.in/duU8Jfd2
@jfcryan.bsky.social @pauldcotter.bsky.social @rabal97.bsky.social
January 19, 2026 at 12:49 PM
I'm pleased to share our newest publication where we developed and validated a questionnaire to assess fermented food intake, led by PhD student and dietitian Aimone Ferri!
lnkd.in/duU8Jfd2
@jfcryan.bsky.social @pauldcotter.bsky.social @rabal97.bsky.social
lnkd.in/duU8Jfd2
@jfcryan.bsky.social @pauldcotter.bsky.social @rabal97.bsky.social
We are delighted to present a short video celebrating 180 years of research and innovation at University College Cork @ucc.ie
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
180 Years of Research at University College Cork
YouTube video by UCC Research
youtu.be
January 19, 2026 at 8:53 AM
We are delighted to present a short video celebrating 180 years of research and innovation at University College Cork @ucc.ie
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
"From our past to UCC Futures -UCC's legacy of research excellence is just beginning"
@uccalumni.bsky.social
youtu.be/W_IwYJYHqcI
Huge congrats to Brendan Sharvin on a tour de force PhD defence today -a performance that showcased the depth, rigour, and originality of the work. We couldn’t be prouder of all you’ve achieved.
Thanks to @peppeganga.bsky.social and Jane English for being excellent examiners 👏
Thanks to @peppeganga.bsky.social and Jane English for being excellent examiners 👏
January 16, 2026 at 2:31 PM
Huge congrats to Brendan Sharvin on a tour de force PhD defence today -a performance that showcased the depth, rigour, and originality of the work. We couldn’t be prouder of all you’ve achieved.
Thanks to @peppeganga.bsky.social and Jane English for being excellent examiners 👏
Thanks to @peppeganga.bsky.social and Jane English for being excellent examiners 👏
Reposted by John F. Cryan
"The free 10-minute intervention dubbed ‘Deepfakes/Real Harms’ has been designed to reduce the willingness of users to engage with harmful uses of deepfake technology, like creating non-consensual explicit content", research by John Twomey supported by Lero
www.irishexaminer.com/news/arid-41...
www.irishexaminer.com/news/arid-41...
UCC researchers unveil 'world-first tool' aimed at persuading Grok users to avoid creating explicit images
Free 10-minute intervention dubbed ‘Deepfakes/Real Harms’ has been designed to reduce the willingness of users to engage with harmful uses of deepfake technology, like creating non-consensual explicit...
www.irishexaminer.com
January 16, 2026 at 10:46 AM
"The free 10-minute intervention dubbed ‘Deepfakes/Real Harms’ has been designed to reduce the willingness of users to engage with harmful uses of deepfake technology, like creating non-consensual explicit content", research by John Twomey supported by Lero
www.irishexaminer.com/news/arid-41...
www.irishexaminer.com/news/arid-41...
Reposted by John F. Cryan
UCC: 180 years fuelling research & innovation.
UCC Futures continues to empower thinkers, makers, and leaders to shape tomorrow. At UCC, the future isn’t just imagined, it’s created.
@jfcryan.bsky.social | @uccinnovation.bsky.social | @ucc.ie
youtu.be/W_IwYJYHqcI
UCC Futures continues to empower thinkers, makers, and leaders to shape tomorrow. At UCC, the future isn’t just imagined, it’s created.
@jfcryan.bsky.social | @uccinnovation.bsky.social | @ucc.ie
youtu.be/W_IwYJYHqcI
180 Years of Research at University College Cork
YouTube video by UCC Research
youtu.be
January 15, 2026 at 11:00 AM
UCC: 180 years fuelling research & innovation.
UCC Futures continues to empower thinkers, makers, and leaders to shape tomorrow. At UCC, the future isn’t just imagined, it’s created.
@jfcryan.bsky.social | @uccinnovation.bsky.social | @ucc.ie
youtu.be/W_IwYJYHqcI
UCC Futures continues to empower thinkers, makers, and leaders to shape tomorrow. At UCC, the future isn’t just imagined, it’s created.
@jfcryan.bsky.social | @uccinnovation.bsky.social | @ucc.ie
youtu.be/W_IwYJYHqcI
Reposted by John F. Cryan
Research Ireland and the Arts and Humanities Research Council (AHRC) have launched a new research programme that will deliver transformational impact on creative economy research between the UK and Ireland. Deadline to apply is 24th March 2026. For more visit: www.researchireland.ie/funding/crea...
January 13, 2026 at 2:35 PM
Research Ireland and the Arts and Humanities Research Council (AHRC) have launched a new research programme that will deliver transformational impact on creative economy research between the UK and Ireland. Deadline to apply is 24th March 2026. For more visit: www.researchireland.ie/funding/crea...
Reposted by John F. Cryan
Birth by Cesarean Section Remodels Neonatal Brain Barriers and Associated Immune and Metabolic Pathways in Mice https://www.biorxiv.org/content/10.64898/2026.01.06.696394v1
January 7, 2026 at 3:15 PM
Birth by Cesarean Section Remodels Neonatal Brain Barriers and Associated Immune and Metabolic Pathways in Mice https://www.biorxiv.org/content/10.64898/2026.01.06.696394v1
Congrats to Naomi Gavioli on successfully defending her PhD today and bringing exactly 4 years in @apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social @ucc.ie to a close. Huge thanks to Examiners Michelle Roche & Friederike Uhlig for such a great discussion.
January 7, 2026 at 6:30 PM
Congrats to Naomi Gavioli on successfully defending her PhD today and bringing exactly 4 years in @apcmicrobiomeirel.bsky.social @anatneuroucc.bsky.social @ucc.ie to a close. Huge thanks to Examiners Michelle Roche & Friederike Uhlig for such a great discussion.
Reposted by John F. Cryan
#Throwback 🧪
REVIEW | Feeding gut microbes to nourish the brain: unravelling the diet–microbiota–gut–brain axis
@elizschneider.bsky.social, @jfcryan.bsky.social et al
REVIEW | Feeding gut microbes to nourish the brain: unravelling the diet–microbiota–gut–brain axis
@elizschneider.bsky.social, @jfcryan.bsky.social et al
Feeding gut microbes to nourish the brain: unravelling the diet–microbiota–gut–brain axis - Nature Metabolism
This Review provides an overview of the interplay between host diet and the gut microbiota, and how this affects brain function.
www.nature.com
December 31, 2025 at 7:08 PM
#Throwback 🧪
REVIEW | Feeding gut microbes to nourish the brain: unravelling the diet–microbiota–gut–brain axis
@elizschneider.bsky.social, @jfcryan.bsky.social et al
REVIEW | Feeding gut microbes to nourish the brain: unravelling the diet–microbiota–gut–brain axis
@elizschneider.bsky.social, @jfcryan.bsky.social et al
Reposted by John F. Cryan
#12DaysofIrishResearch: A Brush with Climate, led by Dr Maria Kirrane (@ucc.ie), empowers hairdressers to spark conversations on sustainability and climate action. One of 40 projects funded under the Research Ireland Discover Programme. Read more: https://pulse.ly/xeyxg9c5ua
December 21, 2025 at 12:59 PM
#12DaysofIrishResearch: A Brush with Climate, led by Dr Maria Kirrane (@ucc.ie), empowers hairdressers to spark conversations on sustainability and climate action. One of 40 projects funded under the Research Ireland Discover Programme. Read more: https://pulse.ly/xeyxg9c5ua
Reposted by John F. Cryan
Our new paper identifies microbial tryptophan metabolites and their concentration ranges that influence both blood-brain and gut barriers integrity in vitro.
doi.org/10.1016/j.ns...
@apcmicrobiomeirel.bsky.social
@inspiremsca.bsky.social
@sarah-janeleigh.bsky.social
@jfcryan.bsky.social
doi.org/10.1016/j.ns...
@apcmicrobiomeirel.bsky.social
@inspiremsca.bsky.social
@sarah-janeleigh.bsky.social
@jfcryan.bsky.social
Redirecting
doi.org
December 2, 2025 at 10:14 AM
Our new paper identifies microbial tryptophan metabolites and their concentration ranges that influence both blood-brain and gut barriers integrity in vitro.
doi.org/10.1016/j.ns...
@apcmicrobiomeirel.bsky.social
@inspiremsca.bsky.social
@sarah-janeleigh.bsky.social
@jfcryan.bsky.social
doi.org/10.1016/j.ns...
@apcmicrobiomeirel.bsky.social
@inspiremsca.bsky.social
@sarah-janeleigh.bsky.social
@jfcryan.bsky.social
Reposted by John F. Cryan
LEADING THE WAY has had some incredible reviews 🔥. It will be launched by Lord Mayor, Councillor Fergal Dennehy, in City Hall at 6.30pm on Thursday 11 December.
@ucc.ie @joh2024.bsky.social @jfcryan.bsky.social @corkbeo.bsky.social @what-if-cork.bsky.social
@ucc.ie @joh2024.bsky.social @jfcryan.bsky.social @corkbeo.bsky.social @what-if-cork.bsky.social
November 29, 2025 at 3:12 PM
LEADING THE WAY has had some incredible reviews 🔥. It will be launched by Lord Mayor, Councillor Fergal Dennehy, in City Hall at 6.30pm on Thursday 11 December.
@ucc.ie @joh2024.bsky.social @jfcryan.bsky.social @corkbeo.bsky.social @what-if-cork.bsky.social
@ucc.ie @joh2024.bsky.social @jfcryan.bsky.social @corkbeo.bsky.social @what-if-cork.bsky.social
Delighted to speak at the launch of four books 📕 📕📕📕from UCC Futures: Collective Social Futures Scholar's today as a primer for the Festival of Social Science at University College Cork @ucc.ie @uccresearch.bsky.social
November 24, 2025 at 11:23 PM
Delighted to speak at the launch of four books 📕 📕📕📕from UCC Futures: Collective Social Futures Scholar's today as a primer for the Festival of Social Science at University College Cork @ucc.ie @uccresearch.bsky.social
Reposted by John F. Cryan
Congratulations to APC's @pauldcotter.bsky.social - @teagasc.bsky.social who has been awarded over €1,29million in research funding through @researchireland.ie’s Frontiers for the Future Programme.
▶️ bit.ly/4pntA1u
▶️ bit.ly/4pntA1u
November 24, 2025 at 9:06 AM
Congratulations to APC's @pauldcotter.bsky.social - @teagasc.bsky.social who has been awarded over €1,29million in research funding through @researchireland.ie’s Frontiers for the Future Programme.
▶️ bit.ly/4pntA1u
▶️ bit.ly/4pntA1u
Reposted by John F. Cryan
APC's @kittelschneider.bsky.social will speak about #ADHD and the microbiota-gut brain axis' at this years Royal Society of Medicine (RSM) Food & Health Forum event, “New Insights in Nutrition and Neurodivergence: Why Brain Health Matters." @nutritious_minds
📅 26 Nov 10am- 4.45pm
🔗 bit.ly/4ieeglk
📅 26 Nov 10am- 4.45pm
🔗 bit.ly/4ieeglk
November 24, 2025 at 9:54 AM
APC's @kittelschneider.bsky.social will speak about #ADHD and the microbiota-gut brain axis' at this years Royal Society of Medicine (RSM) Food & Health Forum event, “New Insights in Nutrition and Neurodivergence: Why Brain Health Matters." @nutritious_minds
📅 26 Nov 10am- 4.45pm
🔗 bit.ly/4ieeglk
📅 26 Nov 10am- 4.45pm
🔗 bit.ly/4ieeglk
Train Dreams: a hauntingly beautiful film- Slow, meditative with amazing performances, stunning cinematography & evocative score - on Netflix www.rte.ie/entertainmen...
Train Dreams: a beautiful film arrives on Netflix
Anyone who has lost themselves in the likes of Days of Heaven, Into the Wild, and Wild will find a place in their heart for this film.
www.rte.ie
November 23, 2025 at 2:55 PM
Train Dreams: a hauntingly beautiful film- Slow, meditative with amazing performances, stunning cinematography & evocative score - on Netflix www.rte.ie/entertainmen...