Hannah Peckham (she/her)
@hlpeks.bsky.social
Postdoctoral immunologist working on the impact of gender, puberty and sex hormones on B cells 👩🔬🔬🌈- Centre for Adolescent Rheumatology at UCL, UCLH & GOSH //
Learning Volunteer at Natural History Museum London 🐳🦎🐻🕸🐙
Learning Volunteer at Natural History Museum London 🐳🦎🐻🕸🐙
Pinned
Estrogen influences class-switched memory B cell frequency only in humans with two X chromosomes | Journal of Experimental Medicine | Rockefeller University Press
Sex hormones and chromosomes work in tandem to impact immune responses, with estrogen influencing class-switched memory B cell frequency exclusively in ind
rupress.org
Thrilled to finally share our paper on how sex hormones and sex chromosomes interact to affect B cell class-switching!🥳 Diversity & inclusion in research recruitment = better science for all!😎 Thanks to @bcellsrosser.bsky.social@[email protected] for ++ hard work!🌟
Reposted by Hannah Peckham (she/her)
🚀 Excited to announce the Immunometabolism Section in @ceijournal.bsky.social led by Dr Lizzy Rosser (UCL)
A dedicated home for cutting-edge research exploring how metabolism shapes immune function in health and disease.
Learn more: vist.ly/58wxd
#Immunometabolism #Immunology
A dedicated home for cutting-edge research exploring how metabolism shapes immune function in health and disease.
Learn more: vist.ly/58wxd
#Immunometabolism #Immunology
June 24, 2026 at 4:11 PM
🚀 Excited to announce the Immunometabolism Section in @ceijournal.bsky.social led by Dr Lizzy Rosser (UCL)
A dedicated home for cutting-edge research exploring how metabolism shapes immune function in health and disease.
Learn more: vist.ly/58wxd
#Immunometabolism #Immunology
A dedicated home for cutting-edge research exploring how metabolism shapes immune function in health and disease.
Learn more: vist.ly/58wxd
#Immunometabolism #Immunology
Reposted by Hannah Peckham (she/her)
A new UK-led research group, including @ucl.ac.uk's Prof Lucy Wedderburn (@uclchildhealth.bsky.social), Prof Coziana Ciurtin & Dr Polly Livermore, aims to improve arthritis care by defining for the first time what remission truly means. Funded by £3m from Arthritis UK www.ucl.ac.uk/news/2025/de...
Study by new consortium aims to help improve care for arthritis patients
A new UK-led research group, which includes UCL, aims to improve the lives of people with arthritis by defining for the first time what being in remission from the illness truly means.
www.ucl.ac.uk
December 17, 2025 at 12:01 PM
A new UK-led research group, including @ucl.ac.uk's Prof Lucy Wedderburn (@uclchildhealth.bsky.social), Prof Coziana Ciurtin & Dr Polly Livermore, aims to improve arthritis care by defining for the first time what remission truly means. Funded by £3m from Arthritis UK www.ucl.ac.uk/news/2025/de...
If you have 30 seconds pretty please could you vote for our research: 'Option 5. Sex differences in the immune system' at the link below! We truly appreciate your support!! 🔬🌟🙏🏻
Loving #BSI25, especially @ciurtinlab.bsky.social and @emmaschambers.bsky.social highlighting our paper in @jem.org is one of #ArthritisUK top research output of ‘25! If you have 5 minutes, give us a vote (number 5) below, sex differences in the immune system:
www.arthritis-uk.org/our-research...
www.arthritis-uk.org/our-research...
Research Highlight of the Year
Arthritis UK Research Highlight of the Year: celebrate the outstanding work that’s made a real impact over the past year.
www.arthritis-uk.org
December 2, 2025 at 5:51 PM
If you have 30 seconds pretty please could you vote for our research: 'Option 5. Sex differences in the immune system' at the link below! We truly appreciate your support!! 🔬🌟🙏🏻
Thanks for the highlight @arrdept-ucldom.bsky.social ! Bernard very happy you captured his good side 😺
When @hlpeks.bsky.social isn’t working in clinics with patients contributing to many studies in our department, you can find her behind a trolley of insects, fossils or gemstones 🐞🦖💎 at the natural history museum where she volunteers as a learning educator volunteer or hanging out with Bernard 🐈⬛
April 2, 2025 at 12:43 PM
Thanks for the highlight @arrdept-ucldom.bsky.social ! Bernard very happy you captured his good side 😺
Reposted by Hannah Peckham (she/her)
Sex hormones and chromosomes work in tandem to impact immune responses, with estrogen influencing class-switched memory B cell frequency exclusively in humans with an XX chromosomal background. From @hlpeks.bsky.social, @bcellsrosser.bsky.social, Coziana Ciurtin et al. rupress.org/jem/article/...
March 28, 2025 at 1:12 PM
Sex hormones and chromosomes work in tandem to impact immune responses, with estrogen influencing class-switched memory B cell frequency exclusively in humans with an XX chromosomal background. From @hlpeks.bsky.social, @bcellsrosser.bsky.social, Coziana Ciurtin et al. rupress.org/jem/article/...
Reposted by Hannah Peckham (she/her)
Did you know women may be naturally better at fighting certain infections than men?
A UCL study funded by the Foundation finds women have a higher proportion of key immune cells between puberty & menopause. 💪🦠
Tune in to @bcellsrosser.bsky.social on BBC R4’s Inside Health to learn more!
A UCL study funded by the Foundation finds women have a higher proportion of key immune cells between puberty & menopause. 💪🦠
Tune in to @bcellsrosser.bsky.social on BBC R4’s Inside Health to learn more!
And please give a listen to our research featured on BBC Radio 4's Inside Health show! Lucy and Lizzy did a wonderful job talking about our findings! (We're in the second half) @bcellsrosser.bsky.social www.bbc.co.uk/sounds/play/...
Inside Health - Assisted dying: Who’s eligible under the proposed bill? - BBC Sounds
In the first of our mini-series we discuss who could get an assisted death under the rules
www.bbc.co.uk
March 27, 2025 at 11:47 AM
Did you know women may be naturally better at fighting certain infections than men?
A UCL study funded by the Foundation finds women have a higher proportion of key immune cells between puberty & menopause. 💪🦠
Tune in to @bcellsrosser.bsky.social on BBC R4’s Inside Health to learn more!
A UCL study funded by the Foundation finds women have a higher proportion of key immune cells between puberty & menopause. 💪🦠
Tune in to @bcellsrosser.bsky.social on BBC R4’s Inside Health to learn more!
Reposted by Hannah Peckham (she/her)
Great coverage of the recent JEM paper by @hlpeks.bsky.social, @emmaschambers.bsky.social, @bcellsrosser.bsky.social, Coziana Ciurtin, and colleagues. See the original paper here: rupress.org/jem/article/...
March 26, 2025 at 1:28 PM
Great coverage of the recent JEM paper by @hlpeks.bsky.social, @emmaschambers.bsky.social, @bcellsrosser.bsky.social, Coziana Ciurtin, and colleagues. See the original paper here: rupress.org/jem/article/...
Reposted by Hannah Peckham (she/her)
Congratulations @hlpeks.bsky.social great work. So important to understand sex differences in immunity
Thrilled to finally share our paper on how sex hormones and sex chromosomes interact to affect B cell class-switching!🥳 Diversity & inclusion in research recruitment = better science for all!😎 Thanks to @bcellsrosser.bsky.social@[email protected] for ++ hard work!🌟
Estrogen influences class-switched memory B cell frequency only in humans with two X chromosomes | Journal of Experimental Medicine | Rockefeller University Press
Sex hormones and chromosomes work in tandem to impact immune responses, with estrogen influencing class-switched memory B cell frequency exclusively in ind
rupress.org
March 25, 2025 at 8:51 PM
Congratulations @hlpeks.bsky.social great work. So important to understand sex differences in immunity
And please give a listen to our research featured on BBC Radio 4's Inside Health show! Lucy and Lizzy did a wonderful job talking about our findings! (We're in the second half) @bcellsrosser.bsky.social www.bbc.co.uk/sounds/play/...
Inside Health - Assisted dying: Who’s eligible under the proposed bill? - BBC Sounds
In the first of our mini-series we discuss who could get an assisted death under the rules
www.bbc.co.uk
March 25, 2025 at 6:07 PM
And please give a listen to our research featured on BBC Radio 4's Inside Health show! Lucy and Lizzy did a wonderful job talking about our findings! (We're in the second half) @bcellsrosser.bsky.social www.bbc.co.uk/sounds/play/...
Reposted by Hannah Peckham (she/her)
So excited to see this out please read the paper, article and listen to us on the radio! Big thanks to @uclnews.bsky.social, our superstar postdoc @hlpeks.bsky.social, co-senior author Prof Coziana Ciurtin and collaborators @emmaschambers.bsky.social
Until menopause women have more key immune cells, which may explain why they're less prone to some infections than men, finds a @jem.org study from @arrdept-ucldom.bsky.social including Dr Hannah Peckham @hlpeks.bsky.social & Dr Lizzy Rosser @bcellsrosser.bsky.social
www.ucl.ac.uk/news/2025/ma...
www.ucl.ac.uk/news/2025/ma...
Abundance of key immune cells may be influenced by oestrogen and XX chromosomes
Women have a higher proportion of key immune cells between puberty and menopause, which may be linked to the sex hormone oestrogen and explain why they are less susceptible to certain infectious disea...
www.ucl.ac.uk
March 25, 2025 at 2:38 PM
So excited to see this out please read the paper, article and listen to us on the radio! Big thanks to @uclnews.bsky.social, our superstar postdoc @hlpeks.bsky.social, co-senior author Prof Coziana Ciurtin and collaborators @emmaschambers.bsky.social
And thank you to UCL news for highlighting our work in this article! 😀😀😀
Until menopause women have more key immune cells, which may explain why they're less prone to some infections than men, finds a @jem.org study from @arrdept-ucldom.bsky.social including Dr Hannah Peckham @hlpeks.bsky.social & Dr Lizzy Rosser @bcellsrosser.bsky.social
www.ucl.ac.uk/news/2025/ma...
www.ucl.ac.uk/news/2025/ma...
Abundance of key immune cells may be influenced by oestrogen and XX chromosomes
Women have a higher proportion of key immune cells between puberty and menopause, which may be linked to the sex hormone oestrogen and explain why they are less susceptible to certain infectious disea...
www.ucl.ac.uk
March 25, 2025 at 6:01 PM
And thank you to UCL news for highlighting our work in this article! 😀😀😀
Thrilled to finally share our paper on how sex hormones and sex chromosomes interact to affect B cell class-switching!🥳 Diversity & inclusion in research recruitment = better science for all!😎 Thanks to @bcellsrosser.bsky.social@[email protected] for ++ hard work!🌟
Estrogen influences class-switched memory B cell frequency only in humans with two X chromosomes | Journal of Experimental Medicine | Rockefeller University Press
Sex hormones and chromosomes work in tandem to impact immune responses, with estrogen influencing class-switched memory B cell frequency exclusively in ind
rupress.org
March 25, 2025 at 5:58 PM
Thrilled to finally share our paper on how sex hormones and sex chromosomes interact to affect B cell class-switching!🥳 Diversity & inclusion in research recruitment = better science for all!😎 Thanks to @bcellsrosser.bsky.social@[email protected] for ++ hard work!🌟