Juan Fuxman Bass
@fuxmanlab.bsky.social
510 followers 500 following 22 posts
Associate professor at Boston University | systems biology, gene regulation, viral gene expression 🏳️‍🌈🇦🇷
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fuxmanlab.bsky.social
This is big!
epijenatics.bsky.social
Excited to share my postdoc work, out on bioRxiv today! Histones package DNA into nucleosomes to form the building blocks of chromatin, but how modular and programmable is this system? 1/9
fuxmanlab.bsky.social
We work on gene regulatory networks, in particular related to viruses.
fuxmanlab.bsky.social
Excited to share this collaborative review with @dsegre.bsky.social and @devmoy.bsky.social. We discuss common issues with context-specific genome-scale metabolic network models and provide recommendation for future model development.
fuxmanlab.bsky.social
Amazing work by Tommy Taslim, Joseph Finkelberg, Susan Kales, and many other members of Ryan's and my lab.
8/8
fuxmanlab.bsky.social
Finally, we found several CREs that are activated by different signals, such as interferon gamma and dexamethasone, which may contribute to viral reactivation or immune evasion mechanisms.
7/8
fuxmanlab.bsky.social
We also show how that the genomes of different herpesviruses have very different CRE landscapes, with different proportion of promoter-like, proximal, distal, and CTF-only CREs, different activity levels, and different localization.
6/8
fuxmanlab.bsky.social
One of these regions (Psi) is present in most adenoviral vectors and contributes to basal transgene expression. We mutated this region, without affecting packaging capacity, which led to reduced basal activity and increased inducibility.
5/8
fuxmanlab.bsky.social
We also identify many novel CREs in adenoviral genomes, some conserved across strains and isolates and others highly variable.
4/8
fuxmanlab.bsky.social
By testing multiple isolates and performing saturation mutagenesis experiments, we identify regions in the HPV long control region that are highly variable in activity and the nucleotide changes responsible for such variability.
3/8
fuxmanlab.bsky.social
Contrary to human CREs, most virus CREs are promoter-like and overlap with coding sequences. These CREs are regulated by TFs such as SP/KLF, ETS factors, CREB, YY1 and others.
2/8
fuxmanlab.bsky.social
Exited to share our recent work on viral cis-regulatory elements in collaboration with @tewhey.bsky.social!
We identified >2000 CREs across the genomes of 27 human-infecting dsDNA viruses from the Herpesvirus, Adenovirus, Papillomavirus, and Polyomavirus families.
www.biorxiv.org/content/10.1...
1/8
Reposted by Juan Fuxman Bass
luckytran.com
Deaths from heart disease down 75%, that’s NIH.

Deaths from stroke down 75%, that’s NIH.

HIV/AIDS no longer a death sentence, that’s NIH.

99% of FDA approved drugs in the last decade, that’s NIH.

Please show this video to anyone who doesn’t understand why the NIH is so important.
fuxmanlab.bsky.social
Congrats Polly!!! Super well-deserved!
fuxmanlab.bsky.social
Exited to share our recent work on TF isoforms! Amazing work by @kaiamattioli.bsky.social Luke Lambourne and Clarissa Santoso and many other collaborators.
kaiamattioli.bsky.social
our work on the molecular differences between transcription factor isoforms is out now in Molecular Cell!

key point: 2/3rds of TF isos differ in properties like DNA binding & transcriptional activity

many are "negative regulators" & misexpressed in cancer

www.sciencedirect.com/science/arti...
Reposted by Juan Fuxman Bass
mcuban.bsky.social
From 2010 to 2016 (latest data I have ), NIH research contributed to EVERY drug approved by the FDA
Reposted by Juan Fuxman Bass
luckytran.com
Scientists are unfairly and devastatingly seeing their grants cut and careers thrown into uncertainty, yet are still working 24/7 to continue their research, treat patients, talk to journalists, advocate with elected officials, and keep the public informed about potential threats. Absolute heroes!
Reposted by Juan Fuxman Bass
keltonminor.bsky.social
There are days in life that shake you.

I’m shattered 💔 to share that I just found out that the US Government terminated my 2024 NIH Director’s Early Independence Award (~$2 million), threatening my long-promised assistant professor job at Columbia University
& academic career... 1/🧵
Reposted by Juan Fuxman Bass
kwcollins.bsky.social
Scientists have just cured pancreatic cancer in some patients with personalized mRNA vaccines. Pancreatic cancer. And this Trump administration wants to throw it all away.

They’re throwing away a cure for cancer.
Reposted by Juan Fuxman Bass
docsirianni.bsky.social
This is horrible to post, but I may as well post it. We are essentially shutting down research operations in my group, which is focused on treatments for pediatric brain cancer. I’m a well funded investigator, and there’s no choice. Science can’t function without the stability of NIH
Reposted by Juan Fuxman Bass
youranoncentral.bsky.social
The Stand Up For Science protests have kicked off worldwide. Thousands of scientists demonstrated in solidarity with their US counterparts across France to defend the scientific community. (📹 @Margot_Brunet_)

#3E #FranceProtests #USprotests #March7Science #StandUpForScience #Mar7
Reposted by Juan Fuxman Bass
benforward3.bsky.social
✊Massive turnout for STAND UP FOR SCIENCE rally in Boston #StandUpForScience
Stand up for Science rally in Boston