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John Fryer, PhD Profile
John Fryer, PhD

@johnthefryer

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Professor, Director of Center for Accelerated Nanotherapeutics at Translational Genomics Research Institute (TGen), part of City of Hope. Views my own. he/him

Phoenix, AZ
Joined October 2008
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@johnthefryer
John Fryer, PhD
22 days
Fun collab that we thought up over drinks after our RiboTag paper/data ( https://t.co/f9mE55pE2E). System works but not perfect since Cx3cr1 labels other myeloid cells, but most in brain are microglia (and we see the same “DAM” signature as others). Erik’s lab did the hard part!
fryerlab.com
This page links to the web portal to query your gene of interest for translational profiling of microglia (RiboTag). Please cite XXXX. Although more data will be added in the future, we currently...
@ErikMusiek
Erik Musiek
23 days
Our glial circadian atlas in AD and aging mice is now out in @NatureNeuro! Congrats to @patwsheehan for incredible work and to our collaborators @johnthefryer, @CarpeRibosomam, @darshan1s, Ron Anafi, and the team. @johnthefryer and I started this in 2019! https://t.co/AYnP0sCbGj
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@johnthefryer
John Fryer, PhD
4 months
Hugely important work from ⁦@zenbrainest⁩ that opens new doors (and immensely complicates the picture!) The polypharmacology of psychedelics reveals multiple targets for potential therapeutics: Neuron
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cell.com
Jain et al. profiled 41 classical psychedelics across 318 GPCRs, revealing activity at serotonin, dopamine, and adrenergic receptors. All compounds activated multiple 5-HT2AR signal transduction...
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@johnthefryer
John Fryer, PhD
9 months
Neurons looked most impacted in this data, but most likely because there are more neuronal nuclei in snRNAseq data
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@johnthefryer
John Fryer, PhD
9 months
Fun collaboration with @OlneyKimberly and @vivekenigma
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@johnthefryer
John Fryer, PhD
9 months
Sometimes you have to live with PMI, but using a well controlled system (mouse model of Alzheimer’s disease) allowed us to attribute effects solely due to PMI. Surely the brain is not unique here, but curious whether others have tried similar analyses in other tissues.
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@johnthefryer
John Fryer, PhD
9 months
We’ve always wondered if PMI leads to changes in snRNAseq data (spoiler: it does). So, we did the study and decided to publish it for others to consider. Post-mortem interval leads to loss of disease-specific signatures in brain tissue
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eneuro.org
Human brain banks are essential for studying a wide variety of neurological and neurodegenerative diseases, yet the variability in postmortem interval (PMI)—the time from death to tissue preservati...
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@johnthefryer
John Fryer, PhD
9 months
Makes you wonder what they’re measuring/publishing…
@MariosGeorgakis
Marios Georgakis
9 months
Another comparison between the Olink and SomaScan proteomics assays in 3976 plasma samples from Chinese adults. Whatever the two platforms measure is not the same. The median correlation across 1,694 1-to-1 matched proteins was only 0.26❗️
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@brainaddiction
Olivier George
9 months
It's clear that many do not understand what @NIH-funded research does to improve health. It's time to revive a study published 10 years ago that provides incredible information about this. link in the comment Every single new drug approved by the FDA from 2010–2016 was built on
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@johnthefryer
John Fryer, PhD
9 months
A fun podcast I did with Karie Dozer on our new Center for Accelerated Nanotherapeutics at TGen where we will harness the power of llamas/alpacas to hopefully treat many maladies. Hope it is accessible to a broad audience. E78:The Power of Nanotherapeutics
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@NatureNeuro
Nature Neuroscience
10 months
Mice lacking microglia (Csf1r∆FIRE/∆FIRE) have normal -synapse number and maturation -seizure susceptibility and hippocampal-prefrontal cortex coherence -segregation of inputs into the lateral geniculate nucleus -neuronal and astrocytic gene expression https://t.co/C6FBRqwwMA
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nature.com
Nature Neuroscience - Microglia are proposed to have a role in brain development through synaptic engulfment and paracrine signaling. O’Keeffe et al. show that certain neurodevelopmental...
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@johnthefryer
John Fryer, PhD
11 months
Potential game changer in how we vaccinate against…everything!
@mfgrp
Michael Fischbach
11 months
Today we report that an engineered skin bacterium, swabbed gently on the head of a mouse, can unleash a potent antibody response against a pathogen. Could lead to topical vaccines that are applied in a cream. @DjenetBousbaine led the charge... @Nature 1/55
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@johnthefryer
John Fryer, PhD
1 year
Really nice sleuthing from some Northwestern students. I wonder how many of these exist? At least dozens. Agree we need coordinated operations against these. Hidden hydras: uncovering the massive footprint of one paper mill’s operations – Retraction Watch
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retractionwatch.com
At the heart of any paper mill’s operations sits an unavoidable contradiction. On the one hand, paper mills must keep their operations clandestine lest they be discovered and have their clients’ ar…
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@DrDamienFair
Damien Fair
1 year
@ndosenbach and I founded @TuringMedical to turn two decades of advanced MRI collaboration and friendship into real-world impact. We handed the keys over to the incredible team @TuringMedical and they are bringing that vision to life. Huge congrats on reaching this milestone! 👇🏾
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@johnthefryer
John Fryer, PhD
1 year
Lots to unpack in this really cool work by @Da_Mesquita_S lab! Not just for brain lymphatics nerds!
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@johnthefryer
John Fryer, PhD
1 year
I feel like the name is close enough that they should name those panda babies Salt and Shaker. Giant panda Ying Ying gives birth to twins : NPR
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npr.org
The giant panda Ying Ying in Hong Kong is now the mother of twins. The theme park where she lives said the birth is a “true rarity” — because Ying Ying is the world’s oldest first-time panda mom.
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@johnthefryer
John Fryer, PhD
1 year
This continues to be a problem for research. What’s in a picture? Two decades of image manipulation awareness and action – Retraction Watch
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retractionwatch.com
via www.CartoonStock.com This year marks the 20th anniversary of the publication of “What’s in a picture?  The temptation of image manipulation,” in which I described the problem of image mani…
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@johnthefryer
John Fryer, PhD
1 year
So sad to hear about the passing of Carl Cotman. He published countless seminal works and is an icon in the field.
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@johnthefryer
John Fryer, PhD
1 year
If you’ve not seen this paper yet and you do sc/sn-RNAseq, stop and go read it now! Comparative Analysis of Commercial Single-Cell RNA Sequencing Technologies | bioRxiv
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biorxiv.org
This study evaluates ten commercially available single-cell RNA sequencing (scRNA-seq) approaches across four technology groups: Emulsion-based kits from 10x Genomics and Fluent Biosciences; Microw...
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@johnthefryer
John Fryer, PhD
1 year
Super legit lab doing tons of cool work!
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@johnthefryer
John Fryer, PhD
1 year
This was a fun project to collaborate on. We played a small part, but the data is so interesting. Please explore!
@ErikMusiek
Erik Musiek
1 year
Very excited that our astrocyte & microglia circadian atlas preprint is out! Congrats to @Patwsheehan on this awesome work, and thanks to @joeddougherty @darshan1s and especially @johnthefryer! If you study glia, AD, aging, circadian, check it out! @SRBR_Outreach @ResearchSleep
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