Cited by 1,075Chemokine receptors and signalinginterferon and immune responsesT-cell and B-cell Immunology

IFN-γ-Inducible Protein 10 (IP-10; CXCL10)-Deficient Mice Reveal a Role for IP-10 in Effector T Cell Generation and Trafficking

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Dufour, Jennifer H, Dziejman, Michelle, Liu, Michael T, Leung, Josephine H, Lane, Thomas E, Luster, Andrew D·2002·The Journal of Immunology

Abstract

IFN-gamma-inducible protein 10 (IP-10, CXCL10), a chemokine secreted from cells stimulated with type I and II IFNs and LPS, is a chemoattractant for activated T cells. Expression of IP-10 is seen in many Th1-type inflammatory diseases, where it is thought to play an important role in recruiting activated T cells into sites of tissue inflammation. To determine the in vivo function of IP-10, we constructed an IP-10-deficient mouse (IP-10(-/-)) by targeted gene disruption. Immunological analysis revealed that IP-10(-/-) mice had impaired T cell responses. T cell proliferation to allogeneic and antigenic stimulation and IFN-gamma secretion in response to antigenic challenge were impaired in IP-10(-/-) mice. In addition, IP-10(-/-) mice exhibited an impaired contact hypersensitivity response, characterized by decreased ear swelling and reduced inflammatory cell infiltrates. T cells recovered from draining lymph nodes also had a decreased proliferative response to Ag restimulation. Furthermore, IP-10(-/-) mice infected with a neurotropic mouse hepatitis virus had an impaired ability to control viral replication in the brain. This was associated with decreased recruitment of CD4(+) and CD8(+) lymphocytes into the brain, reduced levels of IFN-gamma and the IFN-gamma-induced chemokines monokine induced by IFN-gamma (Mig, CXCL9) and IFN-inducible T cell alpha chemoattractant (I-TAC, CXCL11) in the brain, decreased numbers of virus-specific IFN-gamma-secreting CD8(+) cells in the spleen, and reduced levels of demyelination in the CNS. Taken together, our data suggest a role for IP-10 in both effector T cell generation and trafficking in vivo.

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Authors
Dufour, J. H., Dziejman, M., Liu, M. T., Leung, J. H., Lane, T. E., & Luster, A. D.
Affiliations
  • Harvard University (US)
  • University of California, Irvine (US)
Corresponding author
Dziejman, Michelle
Venue
The Journal of Immunology
Published
2002-04-01
Volume
168
Issue
7
Pages
3195-3204
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2129071472
Cited by
1,075
References
74
Citations by year
2026: 22 · 2025: 39 · 2024: 54 · 2023: 41 · 2022: 58 · 2021: 53 · 2020: 45 · 2019: 48 · 2018: 49 · 2017: 62 · 2016: 60 · 2015: 65 · 2014: 63 · 2013: 46 · 2012: 45
FWCI
16.17
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Multiple Sclerosis Society
  • National Institutes of Health (7r29ns037336-02, 5f32ai009716-02)
  • National Cancer Institute (F32CA088721, R0O1CA69212, F32-CA88721)
  • National Institute of Allergy and Infectious Diseases (F32AI09716)
  • National Institute of Neurological Disorders and Stroke (NS37336-01, T32NSO74444)
Topics
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
CXCL10, chemokines, T cell migration, contact hypersensitivity, T cell proliferation, interferon-gamma, demyelination, Th1 inflammation, CXCL9, CXCL11, CD4+ T cells, CD8+ T cells, viral encephalitis
MeSH terms
Animals, Antigens, Cell Movement, Demyelinating Diseases, Dermatitis, Contact, Encephalomyelitis, Growth Inhibitors, Murine hepatitis virus, Interferon-gamma, Isoantigens, Lymphocyte Culture Test, Mixed, Lymphocyte Depletion, Lymphocyte Activation, Mice, Inbred BALB C, Mice, Inbred C57BL, Ovalbumin, Spleen, CD4-Positive T-Lymphocytes, Down-Regulation, Mutagenesis, Site-Directed, Mice, Knockout, Coronavirus Infections, CD8-Positive T-Lymphocytes, Chemokines, CXC, Mice, Chemokine CXCL10

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