Robert Signer

Why is it so difficult to grow hematopoietic stem cells in culture? Huge increases in protein synthesis disrupt proteostasis in HSCs ex vivo. HSF1 comes to the rescue ex vivo & during aging to keep stem cells fit. Our latest now in print @CellStemCell cell.com/cell-stem-cell… 🧵

FREE registration for the Sanford Stem Cell Symposium is now open. Join our incredible lineup of speakers discussing stem cells in regenerative medicine, cancer, aging, bioengineering, genomics 🧬 & space 🚀. Agenda: stemcells.ucsd.edu/sanford-stem-c… Registration: eventbrite.com/e/sanford-stem…

.@UCSDMedSchool researchers unlock a way to keep lab-grown stem cells healthy, which is positive news for people who need bone marrow transplants when donor stem cells are not available. The approach may also help further aging research. ow.ly/nSpg50FR4Vi

If you can’t take the heat, get out of the culture. Our latest paper in @CellStemCell uncovers how HSF1 keeps stem cells fit in a dish. 🔥💪 authors.elsevier.com/sd/article/S19…

DOUBLE THE @NIH BUDGET. Science is critical for our economy, health & security. Science is conquering #COVID and is essential for tackling future pandemics and other diseases. But science is woefully underfunded. NOW IS THE TIME.

While we’re focused on the BIG discoveries that enabled the rapid development of the #COVID vaccine, let’s not forget the engine that powered it: trainees, long days, failed experiments, rejection, persistence, resiliency. This is progress. This is science.

Why do some genetic disorders present in kids and others in adults? Our new paper w/@Magee_Lab reveals that BIG changes in protein synthesis during ontogeny sensitize distinct hematopoietic cell types to a ribosomal mutation in an age-dependent manner. cell.com/stem-cell-repo…

Attention hematopoiesis community: Have you ever been confused about which set of markers to use to identify HSCs and MPPs? We hope to bring clarity & unity to the field. Tune in to this important @ISEHSociety webinar on Tuesday, November 10th!

ERADicating stem cells from their niche. Our News & Views on exquisite new work from @XiChenLab in @NatureCellBio on how proteostasis regulation by the ERAD pathway influences the interaction of HSCs with their perivascular niche in the bone marrow. rdcu.be/b7vFR

Why do ribosomal mutations only impair certain cell types? Developmental stage-specific changes in protein synthesis differentially sensitize hematopoietic stem cells and erythroid progenitors to impaired ribosome biogenesis. New preprint w/@Magee_Lab. disq.us/t/3r7tu57

RT @SignerLab: Humbled to be included with these outstanding scientists. Thank you @LLSusa, @TheMarkFdn & @AllenInstitute for supporting ou…

RT @SignerLab: The proteostasis network functions uniquely in hematopoietic stem cells to promote their life-long regenerative function. Le…

RT @SignerLab: My op-ed in @sdut explains why we all must stay home and practice responsible social distancing to safeguard our communities…

My op-ed in @sdut explains why we all must stay home and practice responsible social distancing to safeguard our communities. sandiegouniontribune.com/opinion/commen… #coronavirus #COVID19 #UCSDHealth @Kevin_Faulconer @CityofSanDiego @CAgovernor

RT @SignerLab: The @SignerLab is hiring Postdocs! Our curious and creative team @UCSDHealth investigates how the proteostasis network is un…

DNA isn’t destiny. Stem cell identity and function depend on the epitranscriptome, translational control and protein degradation to regulate proteome content, quality & complexity. New review on post-transcriptional control of stem cells in @CellStemCell. sciencedirect.com/science/articl…

RT @CellReports: Modest declines in proteome quality impair hematopoietic stem cell self-renewal bit.ly/2NopWoq

RT @SignerLab: Misfolded proteins are associated with Alzheimer’s, Parkinson’s and other neurodegenerative diseases. New research reveals t…

RT @SignerLab: The Science of Tidying Up: Stem cells depend on low protein synthesis to prevent the biogenesis of misfolded proteins. https…