Sidar AydΔ±n's Avatar

Sidar AydΔ±n

@sidaraydin.bsky.social

Postdoc at Daneman Lab at UCSD. PhD, Engelhardt Lab at Uni Bern. Brain barriers in health and disease. Neuroimmunologist. MS Society fellow. πŸ³οΈβ€πŸŒˆ

229 Followers  |  311 Following  |  25 Posts  |  Joined: 04.01.2025
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Posts by Sidar AydΔ±n (@sidaraydin.bsky.social)

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New series start with a lecture by @brittae.bsky.social on July 8! Don’t miss out on this great talk!

29.06.2025 17:24 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Lecturer / Associate Professor - London, England job with University College London (UCL) | 12840324 About usThe Division of Biosciences at UCL is one of the world's foremost centres for research and teaching in the biological sciences. We have an out

🚨🚨Job Alert🚨🚨!! Neuroscience, Physiology and Pharmacology are recruiting a new lecturer/associate professor! an amazing opportunity to join our fantastic dept! @ucl.ac.uk @ucllifesciences.bsky.social @uclnpp.bsky.social post here:
www.nature.com/naturecareer...

19.06.2025 12:58 β€” πŸ‘ 44    πŸ” 39    πŸ’¬ 2    πŸ“Œ 6
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Calling all Neuroscience postdocs! 🧠 Share your research through SPiNES (Seminars from Postdocs in Neuroscience: Extramural Series) from the NYUGSoM Department of Neuroscience. Applications close 08/20/25. Apply today! πŸ‘‰ nyumc.qualtrics.com/jfe/form/SV_...
#Neuroscience #Postdoc #ResearchOpportunity

15.06.2025 16:20 β€” πŸ‘ 61    πŸ” 39    πŸ’¬ 1    πŸ“Œ 0
Post image 29.05.2025 18:40 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

and the technicians who contributed so much to this manuscript. Their hard work made this paper all the more meaningful.

Please reach out if you have any questions or comments!

28.05.2025 19:41 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I am incredibly thankful to everyone who helped move this project forward over the years. While Javi and I led the work under the supervision of @brittae.bsky.social, I want to give special appreciation to the early-career trainees, some of whom I had the joy of mentoring,

28.05.2025 19:41 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

This discovery opens a new path for understanding how the glia limitans, a CNS barrier that is conserved across species through evolution, regulates immune cell migration into the CNS parenchyma.

28.05.2025 19:41 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Interestingly, although JAM-B is known to be expressed by the blood-brain barrier endothelial cells, it was not this barrier stopping the T cells. Instead, CD8 T-cells got trapped in the perivascular space, unable to cross the glia limitans and reach the CNS parenchyma.

28.05.2025 19:41 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

In this study, we investigated how CD8 T cells enter the central nervous system (CNS) during neuroinflammation. We found that without JAM-B, mice developed much milder autoimmune disease and had far fewer CD8 T cells entering the brain tissue.

28.05.2025 19:41 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Lack of junctional adhesion molecule (JAM)-B traps CD8 T cells in CNS border zones and ameliorates autoimmune neuroinflammation - Acta Neuropathologica Communications The endothelial blood-brain barrier (BBB) tightly controls T cell entry into the central nervous system (CNS). T cell extravasation across the BBB involves a multi-step cascade with a predominant role...

πŸ””New publication!πŸ””

Excited to share a study that started during my PhD and was beautifully brought to completion by Javier Pareja, PhD in the Engelhardt Lab.

actaneurocomms.biomedcentral.com/articles/10....

28.05.2025 19:41 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

Data from Munji et al. 2019, Pulido et al. 2020, and Profaci et al. 2024.

04.05.2025 16:52 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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🧬The interactive RNA sequencing resource from the Daneman Lab is now live!🧬

Built by Ben Gastfriend, this user-friendly tool lets you explore gene expression changes across multiple conditions!

Check it out here: danemanlab.shinyapps.io/bbbtranscrip...

04.05.2025 16:52 β€” πŸ‘ 8    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0
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This is a trainee seminar series and your participation is very important and much appreciated. Join us next week. Here is the free registration link:

streamyard.com/watch/wHnr7P...

29.04.2025 16:30 β€” πŸ‘ 7    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
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The scientific exchange with top-notch researchers from around the world who share the same passion was phenomenal. And us, the (ex-)Daneman lab crew delivered some amazing talks! Catching up with friends was the cherry on top. Can’t wait for the next BB meeting!

22.04.2025 00:32 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

It was a true pleasure to attend and give a talk at the Cold Spring Harbor Laboratories Brain Barriers conference in NY. By now, the brain barriers community feels like my extended science family, each meeting is like a family reunion.

22.04.2025 00:32 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Multi-omic analysis reveals the unique glycan landscape of the blood-brain barrier glycocalyx The blood-brain barrier (BBB) glycocalyx is the dense layer of glycans and glycoconjugates that coats the luminal surface of the central nervous system (CNS) vasculature. Despite being the first point...

🚨 A new Daneman Lab preprint!! 🚨

Reid Larsen, one of the brightest scientists I know, studied the BBB glycocalyx, identified its structure, composition, and function and uncovered what makes the CNS glycocalyx unique. It was a true pleasure to be a part of this seminal study!
shorturl.at/Wkhxr

12.04.2025 20:58 β€” πŸ‘ 20    πŸ” 7    πŸ’¬ 0    πŸ“Œ 0
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@cshlmeetings.bsky.social Brain Barriers 2025 is a wrap! It was an honor to co-organize this meeting in 2023 & 2025, a highlight of my scientific career.
I am amazed by all the great science presented by these awesome scientists over the last five days...the future of CNS barrier biology is 🀩 πŸ’«!

12.04.2025 20:01 β€” πŸ‘ 42    πŸ” 7    πŸ’¬ 2    πŸ“Œ 1
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IBBS Horizons Global Research Rounds starts next week, with Prof. Norman Saunders kicking off the series! We’ll then host monthly sessions with senior grad students, postdocs, and junior faculty. I’m excited to connect with the community and share our science! The event is open to all. Come join us!

27.02.2025 17:48 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Writing my ideas down, going over my hypotheses, thinking through how I want to study the questions I’m asking etc. It was so helpful and, to be honest, quite relieving. Let’s see what comes out of this. Wish me luck! πŸ€

18.02.2025 19:34 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I have no idea how this will turn out, whether I’ll get funded or not (hoping for the best! 🀞), but one thing I do know is that this process helped me crystallize my vision for what I want to do in the next few years as a faculty member.

18.02.2025 19:34 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

I appreciate all the people who supported me, including those who wrote reference letters, provided collaborator support, and helped in ways big and small. A huge huge thank you to my mentor Rich Daneman, who guided me through it all.

18.02.2025 19:34 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

As someone who wasn’t familiar with the NIH system, I didn’t realize just how much extra work would come with it. So many unexpected steps and so many documents.

But if there’s one thing this process proved to me once more, it’s that science is never a solo journey and we truly lift each other up!

18.02.2025 19:34 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

πŸš€ First NIH Grant Submitted! πŸš€

Despite all the turbulence in the science world in the US lately, last week, I submitted my K99/R00 Pathway to Independence Award, which is also my very first NIH grant!

18.02.2025 19:34 β€” πŸ‘ 7    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Thank you!

04.01.2025 20:09 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Thank you!!

04.01.2025 19:32 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Hi Bluesky!
I'm Sidar AydΔ±n, a postdoc in Richard Daneman’s lab at UCSD. I earned my PhD at the University of Bern in Britta Engelhardt’s lab, studying CD8 T cells/BBB. I continue to study brain barriers in disease, with a new focus on exploring the barriers at circumventricular organs!

04.01.2025 17:29 β€” πŸ‘ 23    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0


If you're in the brain barriers or neurovascular research field and wondering where to begin, @siegenthalerlab.bsky.social has curated an amazing list of people to follow!

04.01.2025 17:04 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Hi everyone! I'm thrilled that we have this platform to bring our neuroimmunology and brain barriers social media community back to life! Looking forward to all the exciting new science and discussions we’ll share here. The energy feels so refreshingβ€”it’s like butterflies are in the air!πŸ¦‹

04.01.2025 17:00 β€” πŸ‘ 13    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0