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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Maletto, Belkys A. Ranocchia, Romina P. García, Iris A. Crespo, María I. Pistoresi-Palencia, María C. Gorlino, Carolina V. Harman, María F. Morón, Gabriel |
| Description | Country affiliation: Argentina Author Affiliation: Gorlino CV ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Ranocchia RP ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Harman MF ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); García IA ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Crespo MI ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Morón G ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Maletto BA ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina.); Pistoresi-Palencia MC ( Centro de Investigación en Bioquímica Clínica e Inmunología, Consejo Nacional de Investigaciones Científica y Técnicas, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, X5000HUA, Argentina cpistore@fcq.unc.edu.ar.) |
| Abstract | Although much is described about the molecules involved in neutrophil migration from circulation into tissues, less is known about the molecular mechanisms that regulate neutrophil entry into lymph nodes (LNs) draining a local inflammatory site. In this study, we investigated neutrophil migration toward LNs in a context of inflammation induced by immunization of BALB/c mice with OVA emulsified in CFA. We demonstrated that neutrophils can enter LNs of OVA/CFA-immunized mice not only via lymphatic vessels but also from blood, across high endothelial venules. By adoptive transfer experiments, we showed that this influx was dependent on an inflammatory-state condition and previous neutrophil stimulation with OVA/anti-OVA immune complexes. Importantly, we have demonstrated that, in the migratory pattern to LNs, neutrophils used L-selectin and P-selectin glycoprotein ligand-1, macrophage-1 Ag and LFA-1 integrins, and CXCR4 to get access across high endothelial venules, whereas macrophage-1 Ag, LFA-1, and CXCR4 were involved in their trafficking through afferent lymphatics. Strikingly, we found that stimulation with immune complexes significantly upregulated the expression of sphingosine-1-phosphate receptor 4 on neutrophils, and that treatment with the sphingosine-1-phosphate agonist FTY720 altered neutrophil LN-homing ability. These findings summarized in this article disclose the molecular pattern that controls neutrophil recruitment to LNs. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| Journal | The Journal of Immunology |
| Issue Number | 4 |
| Volume Number | 193 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2014-08-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Antigen-antibody Complex Immunology Immune System Diseases Leukocyte Disorders Lymph Nodes Neutrophils Adoptive Transfer Animals Cell Movement Fingolimod Hydrochloride Immunosuppressive Agents Pharmacology Inflammation L-selectin Cytology Lymphatic Vessels Lymphocyte Function-associated Antigen-1 Lysophospholipids Agonists Macrophage-1 Antigen Mice Mice, Inbred Balb C Transplantation P-selectin Propylene Glycols Receptors, Cxcr4 Receptors, Lysosphingolipid Metabolism Sphingosine Analogs & Derivatives Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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