Personal information

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Websites & social links

Steve Lacroix's lab

Other IDs

Scopus Author ID: 7006552767

Keywords

Neuroimmunology, innate immunity, inflammation, axonal regeneration, neurodegeneration, spinal cord injury, peripheral nerve injury, multiple sclerosis, macrophages, neutrophils, cytokines.

Countries

Canada

Biography

Steve Lacroix is Professor in the Department of Molecular Medicine at Université Laval and Director of the Neurosciences Axis at the CHU de Québec Research Center (Canada). He received his Ph.D. from Université Laval in 1998. He was trained as a postdoc at the University of California, San Diego, in the field of spinal cord regeneration (1998-2001). From 2001 to 2003, he completed a second postdoc in neuroimmunology at McGill University, Montréal. Dr. Lacroix teaches and conducts research in the fields of neuroimmunology and regenerative medicine. His recent research has focused on the identification of the endogenous signals initiating neuroinflammation and the role of immune cells in neural damage and repair in the context of spinal cord and peripheral nerve injury and multiple sclerosis. With over 20 years of research in neuroimmune diseases, he has published more than 70 papers with over 7000 citations, many of which are published in the leading journals of neurosciences and immunology.

Activities

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Employment (3)

Université Laval, Faculté de médecine: Quebec, QC, CA

2012-07-01 to present | Full Professor (Médecine moléculaire)
Employment
Source: Self-asserted source
Steve Lacroix

Université Laval, Faculté de médecine: Quebec, QC, CA

2008-07-01 to 2012-06-30 | Associate Professor (Anatomie et physiologie)
Employment
Source: Self-asserted source
Steve Lacroix

Université Laval, Faculté de médecine: Quebec, QC, CA

2003-07-01 to 2008-06-30 | Assistant Professor (Anatomie et physiologie)
Employment
Source: Self-asserted source
Steve Lacroix

Education and qualifications (5)

McGill University: Montréal, QC, CA

2001-11-01 to 2003-06-30 | Post-doctoral fellow (Neuroscience)
Education
Source: Self-asserted source
Steve Lacroix

University of California San Diego: La Jolla, CA, US

1998-11-01 to 2001-11-01 | Post-doctoral fellow (Neuroscience)
Education
Source: Self-asserted source
Steve Lacroix

Université Laval, Faculté de médecine: Quebec, QC, CA

1995-05-01 to 1998-10-31 | PhD degree (Endocrinology-Physiology)
Education
Source: Self-asserted source
Steve Lacroix

Université Laval, Faculté de médecine: Quebec, QC, CA

1994-05-01 to 1995-05-01 | Master degree (Endocrinology-Physiology)
Education
Source: Self-asserted source
Steve Lacroix

Université du Québec à Trois-Rivières: Trois-Rivières, QC, CA

1991-09-01 to 1994-04-30 | Bachelor degree (Biologie médicale)
Education
Source: Self-asserted source
Steve Lacroix

Works (50 of 59)

Items per page:
Page 1 of 2

Constitutive DAMPs in CNS injury: From preclinical insights to clinical perspectives

Brain, Behavior, and Immunity
2024-11 | Journal article
DOI: 10.1016/j.bbi.2024.07.047
Contributors: Adrian Castellanos-Molina; Floriane Bretheau; Ana Boisvert; Dominic Bélanger; Steve Lacroix
Source: check_circle
Crossref

The alarmin interleukin-1α triggers secondary degeneration through reactive astrocytes and endothelium after spinal cord injury

2021-06-14 | Preprint
DOI: 10.21203/rs.3.rs-580331/v1
Contributors: Floriane Bretheau; Adrian Castellanos-Molina; Benoit Mailhot; Maxime Kusik; Dominic Belanger; Martine Lessard; Nicolas Vallières; Xiaoyu Liu; Ning Quan; Steve Lacroix
Source: check_circle
Crossref

Serial Systemic Injections of Endotoxin (LPS) Elicit Neuroprotective Spinal Cord Microglia through IL-1-Dependent Cross Talk with Endothelial Cells

The Journal of Neuroscience
2020-11-18 | Journal article
DOI: 10.1523/JNEUROSCI.0131-20.2020
Contributors: Camila M. Freria; Faith H. Brennan; David R. Sweet; Zhen Guan; Jodie C. Hall; Kristina A. Kigerl; Daniel P. Nemeth; Xiaoyu Liu; Steve Lacroix; Ning Quan et al.
Source: check_circle
Crossref

Differential attenuation of β2 integrin-dependent and -independent neutrophil migration by Ly6G ligation.

Blood advances
2019-02-01 | Journal article
DOI: 10.1182/bloodadvances.2018026732
PMID: 30696624
PMC: PMC6373735
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

Microglia are an essential component of the neuroprotective scar that forms after spinal cord injury.

Nature communications
2019-01-31 | Journal article
DOI: 10.1038/s41467-019-08446-0
PMID: 30705270
PMC: PMC6355913
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

Ly6C <sup>high</sup> monocytes facilitate transport of Murid herpesvirus 68 into inflamed joints of arthritic mice

European Journal of Immunology
2018 | Journal article
DOI: 10.1002/eji.201747048
EID:

2-s2.0-85034765665
Contributors: LeBel, M.; Egarnes, B.; Brunet, A.; Lacerte, P.; Paré, A.; Lacroix, S.; Brown, J.P.; Gosselin, J.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Portrait of blood-derived extracellular vesicles in patients with Parkinson's disease.

Neurobiology of disease
2018-11-05 | Journal article
DOI: 10.1016/j.nbd.2018.11.002
PMID: 30408591
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

FoxJ1 regulates spinal cord development and is required for the maintenance of spinal cord stem cell potential.

Experimental cell research
2018-04-22 | Journal article
DOI: 10.1016/j.yexcr.2018.04.017
PMID: 29689278
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

IL-1β enables CNS access to CCR2 hi monocytes and the generation of pathogenic cells through GM-CSF released by CNS endothelial cells

Proceedings of the National Academy of Sciences
2018-02-06 | Journal article
DOI: 10.1073/pnas.1714948115
Contributors: Alexandre Paré; Benoit Mailhot; Sébastien A. Lévesque; Camille Juzwik; Prenitha Mercy Ignatius Arokia Doss; Marc-André Lécuyer; Alexandre Prat; Manu Rangachari; Alyson Fournier; Steve Lacroix
Source: check_circle
Crossref
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Platelets release pathogenic serotonin and return to circulation after immune complex-mediated sequestration.

Proceedings of the National Academy of Sciences of the United States of America
2018-01-31 | Journal article
DOI: 10.1073/pnas.1720553115
PMID: 29386381
PMC: PMC5816207
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

Megakaryocytes compensate for Kit insufficiency in murine arthritis

Journal of Clinical Investigation
2017-04-04 | Journal article
DOI: 10.1172/JCI84598
Contributors: Pierre Cunin; Loka R. Penke; Jonathan N. Thon; Paul A. Monach; Tatiana Jones; Margaret H. Chang; Mary M. Chen; Imene Melki; Steve Lacroix; Yoichiro Iwakura et al.
Source: check_circle
Crossref
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Betacellulin regulates schwann cell proliferation and myelin formation in the injured mouse peripheral nerve.

Glia
2017-01-31 | Journal article
DOI: 10.1002/glia.23119
PMID: 28139851
Source: Self-asserted source
Steve Lacroix
grade
Preferred source (of 2)‎

Myeloid cell transmigration across the CNS vasculature triggers IL-1ß-driven neuroinflammation during autoimmune encephalomyelitis in mice

Journal of Experimental Medicine
2016 | Journal article
DOI: 10.1084/jem.20151437
EID:

2-s2.0-84971554433
Contributors: Lévesque, S.A.; Paré, A.; Mailhot, B.; Bellver-Landete, V.; Kébir, H.; Lécuyer, M.-A.; Alvarez, J.I.; Prat, A.; de Rivero Vaccari, J.P.; Keane, R.W. et al.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Involvement of the IL-1 system in experimental autoimmune encephalomyelitis and multiple sclerosis: Breaking the vicious cycle between IL-1β and GM-CSF

Brain, Behavior, and Immunity
2016-07 | Journal article
DOI: 10.1016/j.bbi.2016.07.146
Contributors: Alexandre Paré; Benoit Mailhot; Sébastien A. Lévesque; Steve Lacroix
Source: check_circle
Crossref
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Cerebrovascular and blood-brain barrier impairments in Huntington's disease: Potential implications for its pathophysiology

Annals of Neurology
2015 | Journal article
DOI: 10.1002/ana.24406
EID:

2-s2.0-84937730922
Contributors: Drouin-Ouellet, J.; Sawiak, S.J.; Cisbani, G.; Lagacé, M.; Kuan, W.-L.; Saint-Pierre, M.; Dury, R.J.; Alata, W.; St-Amour, I.; Mason, S.L. et al.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

IL-1α gene deletion protects oligodendrocytes after spinal cord injury through upregulation of the survival factor Tox3

Journal of Neuroscience
2015 | Journal article
DOI: 10.1523/JNEUROSCI.0498-15.2015
EID:

2-s2.0-84938498544
Contributors: Bastien, D.; Landete, V.B.; Lessard, M.; Vallières, N.; Champagne, M.; Takashima, A.; Tremblay, M.-È.; Doyon, Y.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

In Vivo Imaging of Glial and Immune Cell Responses in Central Nervous System Injury and Disease

Neuroinflammation: New Insights into Beneficial and Detrimental Functions
2015 | Book chapter
Part of DOI: 10.1002/9781118732748.ch2
EID:

2-s2.0-85017369189
Contributors: Paré, A.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Partial depletion of the proinflammatory monocyte population is neuroprotective in the myenteric plexus but not in the basal ganglia in a MPTP mouse model of Parkinson's disease

Brain, Behavior, and Immunity
2015 | Journal article
DOI: 10.1016/j.bbi.2015.01.009
EID:

2-s2.0-84926468403
Contributors: Côté, M.; Poirier, A.-A.; Aubé, B.; Jobin, C.; Lacroix, S.; Soulet, D.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

The P2X7/P2X4 interaction shapes the purinergic response in murine macrophages

Biochemical and Biophysical Research Communications
2015-11 | Journal article
DOI: 10.1016/j.bbrc.2015.10.025
Contributors: Gabriela Pérez-Flores; Sébastien A. Lévesque; Jonathan Pacheco; Luis Vaca; Steve Lacroix; Patricia Pérez-Cornejo; Jorge Arreola
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

GPR84 deficiency reduces microgliosis, but accelerates dendritic degeneration and cognitive decline in a mouse model of Alzheimer’s disease

Brain, Behavior, and Immunity
2015-05 | Journal article
DOI: 10.1016/j.bbi.2015.01.010
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Central canal ependymal cells proliferate extensively in response to traumatic spinal cord injury but not demyelinating lesions

2014 | Journal article
DOI: 10.1371/journal.pone.0085916
EID:

2-s2.0-84899949840
Contributors: Lacroix, S.; Hamilton, L.K.; Vaugeois, A.; Beaudoin, S.; Breault-Dugas, C.; Pineau, I.; Lévesque, S.A.; Grégoire, C.-A.; Fernandes, K.J.L.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Cytokine pathways regulating glial and leukocyte function after spinal cord and peripheral nerve injury

Experimental Neurology
2014 | Journal article
DOI: 10.1016/j.expneurol.2014.04.006
EID:

2-s2.0-84904720898
Contributors: Bastien, D.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Mutant huntingtin is present in neuronal grafts in huntington disease patients

Annals of Neurology
2014 | Journal article
DOI: 10.1002/ana.24174
EID:

2-s2.0-84904787076
Contributors: Cicchetti, F.; Lacroix, S.; Cisbani, G.; Vallières, N.; Saint-Pierre, M.; St-Amour, I.; Tolouei, R.; Skepper, J.N.; Hauser, R.A.; Mantovani, D. et al.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Neutrophils mediate blood-spinal cord barrier disruption in demyelinating neuroinflammatory diseases

Journal of Immunology
2014 | Journal article
DOI: 10.4049/jimmunol.1400401
EID:

2-s2.0-84906841402
Contributors: Aubé, B.; Lévesque, S.A.; Paré, A.; Chamma, É.; Kébir, H.; Gorina, R.; Lécuyer, M.-A.; Alvarez, J.I.; De Koninck, Y.; Engelhardt, B. et al.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Platelets release mitochondria serving as substrate for bactericidal group IIA-secreted phospholipase a to promote inflammation

Blood
2014 | Journal article
DOI: 10.1182/blood-2014-05-573543
EID:

2-s2.0-84907693658
Contributors: Boudreau, L.H.; Duchez, A.-C.; Cloutier, N.; Soulet, D.; Martin, N.; Bollinger, J.; Paré, A.; Rousseau, M.; Naika, G.S.; Lévesque, T. et al.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

The Inflammasome Pyrin Contributes to Pertussis Toxin-Induced IL-1β Synthesis, Neutrophil Intravascular Crawling and Autoimmune Encephalomyelitis

PLoS Pathogens
2014 | Journal article
DOI: 10.1371/journal.ppat.1004150
EID:

2-s2.0-84901651706
Contributors: Dumas, A.; Amiable, N.; de Rivero Vaccari, J.P.; Chae, J.J.; Keane, R.W.; Lacroix, S.; Vallières, L.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Automated Filtering of Intrinsic Movement Artifacts during Two-Photon Intravital Microscopy

2013 | Journal article
DOI: 10.1371/journal.pone.0053942
EID:

2-s2.0-84872236012
Contributors: Soulet, D.; Paré, A.; Coste, J.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Local assessment of myelin health in a multiple sclerosis mouse model using a 2D Fourier transform approach

2013 | Journal article
DOI: 10.1364/BOE.4.002003
EID:

2-s2.0-84884927931
Contributors: Bégin, S.; Bélanger, E.; Laffray, S.; Aubé, B.; Chamma, É.; Bélisle, J.; Lacroix, S.; De Koninck, Y.; Côté, D.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

In situ hybridization within the CNS tissue: Combining in situ hybridization with immunofluorescence

Neuromethods
2012 | Book chapter
DOI: 10.1007/978-1-61779-897-9_3
EID:

2-s2.0-85064535949
Contributors: Bastien, D.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

P2X 4 receptors influence inflammasome activation after spinal cord injury

2012 | Journal article
DOI: 10.1523/JNEUROSCI.4930-11.2012
EID:

2-s2.0-84857530330
Contributors: de Rivero Vaccari, J.P.; Bastien, D.; Yurcisin, G.; Pineau, I.; Dalton Dietrich, W.; De Koninck, Y.; Keane, R.W.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Platelets can enhance vascular permeability

2012 | Journal article
DOI: 10.1182/blood-2012-02-413047
EID:

2-s2.0-84865165303
Contributors: Cloutier, N.; Paré, A.; Farndale, R.W.; Schumacher, H.R.; Nigrovic, P.A.; Lacroix, S.; Boilard, E.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Functional recovery after peripheral nerve injury is dependent on the pro-inflammatory cytokines IL-1β and TNF: Implications for neuropathic pain

2011 | Journal article
DOI: 10.1523/JNEUROSCI.2840-11.2011
EID:

2-s2.0-80052342708
Contributors: Nadeau, S.; Filali, M.; Zhang, J.; Kerr, B.J.; Rivest, S.; Soulet, D.; Iwakura, Y.; Vaccari, J.P.R.; Keane, R.W.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Astrocytes initiate inflammation in the injured mouse spinal cord by promoting the entry of neutrophils and inflammatory monocytes in an IL-1 receptor/MyD88-dependent fashion

2010 | Journal article
DOI: 10.1016/j.bbi.2009.11.007
EID:

2-s2.0-77950521720
Contributors: Pineau, I.; Sun, L.; Bastien, D.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Transcriptional profiling of the injured sciatic nerve of mice carrying the Wld(S) mutant gene: Identification of genes involved in neuroprotection, neuroinflammation, and nerve regeneration

2010 | Journal article
DOI: 10.1016/j.bbi.2010.07.249
EID:

2-s2.0-77957237015
Contributors: Barrette, B.; Calvo, E.; Vallières, N.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Endogenous signals initiating inflammation in the injured nervous system

2009 | Journal article
DOI: 10.1002/glia.20763
EID:

2-s2.0-66249147220
Contributors: Pineau, I.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Requirement of myeloid cells for axon regeneration

2008 | Journal article
DOI: 10.1523/JNEUROSCI.1447-08.2008
EID:

2-s2.0-56949098606
Contributors: Barrette, B.; Hébert, M.-A.; Filali, M.; Lafortune, K.; Vallières, N.; Gowing, G.; Julien, J.-P.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Expression profile of receptors for myelin-associated inhibitors of axonal regeneration in the intact and injured mouse central nervous system

2007 | Journal article
DOI: 10.1016/j.mcn.2006.12.004
EID:

2-s2.0-33947581203
Contributors: Barrette, B.; Vallières, N.; Dubé, M.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Proinflammatory cytokine synthesis in the injured mouse spinal cord: Multiphasic expression pattern and identification of the cell types involved

2007 | Journal article
DOI: 10.1002/cne.21149
EID:

2-s2.0-33845568271
Contributors: Pineau, I.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

T cells contribute to lysophosphatidylcholine-induced macrophage activation and demyelination in the CNS

2007 | Journal article
DOI: 10.1002/glia.20449
EID:

2-s2.0-33846857168
Contributors: Ghasemlou, N.; Suh, Y.J.; Lacroix, S.; David, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Toll-like receptor signaling is critical for Wallerian degeneration and functional recovery after peripheral nerve injury

2007 | Journal article
DOI: 10.1523/JNEUROSCI.3027-07.2007
EID:

2-s2.0-36248934262
Contributors: Boivin, A.; Pineau, I.; Barrette, B.; Filali, M.; Vallières, N.; Rivest, S.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

A novel method for multiple labeling combining in situ hybridization with immunofluorescence

2006 | Journal article
DOI: 10.1369/jhc.6A7022.2006
EID:

2-s2.0-33750285545
Contributors: Pineau, I.; Barrette, B.; Vallières, N.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Systemic injections of lipopolysaccharide accelerates myelin phagocytosis during wallerian degeneration in the injured mouse spinal cord

2006 | Journal article
DOI: 10.1002/glia.20266
EID:

2-s2.0-30444447683
Contributors: Vallières, N.; Berard, J.L.; David, S.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Involvement of monocyte chemoattractant protein-1, macrophage inflammatory protein-1α and interleukin-1β Wallerian degeneration

2005 | Journal article
DOI: 10.1093/brain/awh407
EID:

2-s2.0-16844365105
Contributors: Perrin, F.E.; Lacroix, S.; Avilés-Trieueros, M.; David, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Bilateral Corticospinal Projections Arise from Each Motor Cortex in the Macaque Monkey: A Quantitative Study

2004 | Journal article
DOI: 10.1002/cne.20051
EID:

2-s2.0-2342588822
Contributors: Lacroix, S.; Havton, L.A.; McKay, H.; Yang, H.; Brant, A.; Roberts, J.; Tuszynski, M.H.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Molecular approaches to spinal cord repair

2003 | Book
DOI: 10.1146/annurev.neuro.26.043002.094946
EID:

2-s2.0-0042858516
Contributors: David, S.; Lacroix, S.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

NT-3 gene delivery elicits growth of chronically injured corticospinal axons and modestly improves functional deficits after chronic scar resection

2003 | Journal article
DOI: 10.1016/S0014-4886(02)00055-9
EID:

2-s2.0-0037403572
Contributors: Tuszynski, M.H.; Grill, R.; Jones, L.L.; Brant, A.; Blesch, A.; Löw, K.; Lacroix, S.; Lu, P.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Delivery of hyper-interleukin-6 to the injured spinal cord increases neutrophil and macrophage infiltration and inhibits axonal growth

2002 | Journal article
DOI: 10.1002/cne.10407
EID:

2-s2.0-0037121743
Contributors: Lacroix, S.; Chang, L.; Rose-John, S.; Tuszynski, M.H.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Proinflammatory signal transduction pathways in the CNS during systemic immune response

2001 | Book
DOI: 10.1016/S1567-7443(01)80015-6
EID:

2-s2.0-77957055108
Contributors: Rivest, S.; Nadeau, S.; Lacroix, S.; Laflamme, N.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

How the blood talks to the brain parenchyma and the paraventricular nucleus of the hypothalamus during systemic inflammatory and infectious stimuli

2000 | Journal article
EID:

2-s2.0-0034105064
Contributors: Rivest, S.; Lacroix, S.; Vallières, L.; Nadeau, S.; Zhang, J.; Laflamme, N.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier

Neurotrophic Factors and Gene Therapy in Spinal Cord Injury

Neurorehabilitation and Neural Repair
2000 | Journal article
DOI: 10.1177/154596830001400403
EID:

2-s2.0-0034439622
Contributors: Lacroix, S.; Tuszynski, M.H.
Source: Self-asserted source
Steve Lacroix via Scopus - Elsevier
Items per page:
Page 1 of 2

Peer review (11 reviews for 7 publications/grants)

Review activity for Brain, behavior, and immunity. (3)
Review activity for Developmental cell. (1)
Review activity for JoVE. (2)
Review activity for Nature communications (1)
Review activity for Nature neuroscience. (2)
Review activity for The Journal of experimental medicine. (1)
Review activity for The journal of neuroscience : (1)
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