Evidence map›Paper›PMID 34292150›Full record

ArticleeLife2021

Molecular characterization of projection neuron subtypes in the mouse olfactory bulb.

Sara Zeppilli, Tobias Ackels, Robin Attey, Nell Klimpert, Kimberly D Ritola, Stefan Boeing, Anton Crombach, Andreas T Schaefer, Alexander Fleischmann

Abstract read
In one paragraph

Article in eLife, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

39 citing papers in PubMed.

  1. Article
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  6. S3RL: Enhancing Spatial Single-Cell Transcriptomics With Separable Representation Learning.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
    Article
  7. Article
  8. Projection-specific Routing of Odor Information in the Olfactory Cortex.bioRxiv : the preprint server for biology · 2025
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Sara ZeppilliDepartment of Neuroscience, Division of Biology and Medicine, and the Robert J. and Nancy D. Carney Institute for Brain Science, Brown University, Providence, United States.ORCID 0000-0002-6950-3162
Tobias Ackels *The Francis Crick Institute, Sensory Circuits and Neurotechnology Laboratory, London, United Kingdom.ORCID 0000-0002-4964-1162
Robin Attey *Department of Neuroscience, Division of Biology and Medicine, and the Robert J. and Nancy D. Carney Institute for Brain Science, Brown University, Providence, United States.ORCID 0000-0002-9652-8103
Nell KlimpertDepartment of Neuroscience, Division of Biology and Medicine, and the Robert J. and Nancy D. Carney Institute for Brain Science, Brown University, Providence, United States.ORCID 0000-0002-6166-8026
Kimberly D RitolaJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, United States.ORCID 0000-0002-5666-2973
Stefan BoeingThe Francis Crick Institute, Bioinformatics and Biostatistics, London, United Kingdom.ORCID 0000-0003-0495-5659
Anton CrombachInria Antenne Lyon La Doua, Villeurbanne, France.ORCID 0000-0002-2889-5120
Andreas T SchaeferThe Francis Crick Institute, Sensory Circuits and Neurotechnology Laboratory, London, United Kingdom.ORCID 0000-0002-4677-8788
Alexander FleischmannDepartment of Neuroscience, Division of Biology and Medicine, and the Robert J. and Nancy D. Carney Institute for Brain Science, Brown University, Providence, United States.ORCID 0000-0001-7956-9096

Funding

The Structure of Olfactory Neural and Perceptual SpacesU19NS112953 · NINDS · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI RINBERG, DMITRY · 2019 to 2023
$18.4M
Super-Resolution ImagingP30NS072030 · NINDS · HARVARD MEDICAL SCHOOL · PI REGEHR, WADE G · 2011 to 2020
$5.8M
Odor Memory Traces in the Mouse Olfactory Cortex - SupplementR01DC017437 · NIDCD · BROWN UNIVERSITY · PI FLEISCHMANN, ALEXANDER · 2019 to 2023
$2.3M
Brain Science Compute ClusterS10OD025181 · OD · BROWN UNIVERSITY · PI SANES, JEROME N · 2019 to 2019
$600k
BD FACSAria Flow CytometerS10RR021051 · NCRR · BROWN UNIVERSITY · PI BROSSAY, LAURENT · 2007 to 2007
$403k
Howard Hughes Medical InstituteNCRR NIH HHS S10 RR021051NIDCD NIH HHS R01 DC017437NIH HHS S10 OD025181NINDS NIH HHS P30 NS072030NINDS NIH HHS U19 NS112953Wellcome Trust 110174/Z/15/ZWellcome Trust FC001153
6 · The paper itself

Abstract

Projection neurons (PNs) in the mammalian olfactory bulb (OB) receive input from the nose and project to diverse cortical and subcortical areas. Morphological and physiological studies have highlighted functional heterogeneity, yet no molecular markers have been described that delineate PN subtypes. Here, we used viral injections into olfactory cortex and fluorescent nucleus sorting to enrich PNs for high-throughput single nucleus and bulk RNA deep sequencing. Transcriptome analysis and RNA in situ hybridization identified distinct mitral and tufted cell populations with characteristic transcription factor network topology, cell adhesion, and excitability-related gene expression. Finally, we describe a new computational approach for integrating bulk and snRNA-seq data and provide evidence that different mitral cell populations preferentially project to different target regions. Together, we have identified potential molecular and gene regulatory mechanisms underlying PN diversity and provide new molecular entry points into studying the diverse functional roles of mitral and tufted cell subtypes.

Indexed as

AnimalsFemaleInterneuronsMaleMiceMice, Inbred C57BLNeuronsOlfactory BulbSequence Analysis, RNATranscription FactorsTranscription Factorscell typemouseneuroscienceolfactionprojection neurontranscription factor networktranscriptome

Identifiers

PMID34292150
PMCPMC8352594

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.