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Souza COS, Elias-Oliveira J, Pastore MR, Fontanari C, Rodrigues VF, Rodriguez V, Gardinassi LG, Faccioli LH. CD18 controls the development and activation of monocyte-to-macrophage axis during chronic schistosomiasis. Front Immunol 2022; 13:929552. [PMID: 36263057 PMCID: PMC9574367 DOI: 10.3389/fimmu.2022.929552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Schistosomiasis is a neglected tropical disease caused by worms of the genus Schistosoma spp. The progression of disease results in intense tissue fibrosis and high mortality rate. After egg deposition by adult worms, the inflammatory response is characterized by the robust activation of type 2 immunity. Monocytes and macrophages play critical roles during schistosomiasis. Inflammatory Ly6Chigh monocytes are recruited from the blood to the inflammatory foci and differentiate into alternatively activated macrophages (AAMs), which promote tissue repair. The common chain of β2-integrins (CD18) regulates monocytopoiesis and mediates resistance to experimental schistosomiasis. There is still limited knowledge about mechanisms controlled by CD18 that impact monocyte development and effector cells such as macrophages during schistosomiasis. Here, we show that CD18low mice chronically infected with S. mansoni display monocyte progenitors with reduced proliferative capacity, resulting in the accumulation of the progenitor cell denominated proliferating-monocyte (pMo). Consequently, inflammatory Ly6Chigh and patrolling Ly6Clow monocytes are reduced in the bone marrow and blood. Mechanistically, low CD18 expression decreases Irf8 gene expression in pMo progenitor cells, whose encoded transcription factor regulates CSFR1 (CD115) expression on the cell surface. Furthermore, low CD18 expression affects the accumulation of inflammatory Ly6Chigh CD11b+ monocytes in the liver while the adoptive transference of these cells to infected-CD18low mice reduced the inflammatory infiltrate and fibrosis in the liver. Importantly, expression of Il4, Chil3l3 and Arg1 was downregulated, CD206+PD-L2+ AAMs were reduced and there were lower levels of IL-10 in the liver of CD18low mice chronically infected with S. mansoni. Overall, these findings suggest that CD18 controls the IRF8-CD115 axis on pMo progenitor cells, affecting their proliferation and maturation of monocytes. At the same time, CD18 is crucial for the appropriate polarization and function of AAMs and tissue repair during chronic schistosomiasis.
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Affiliation(s)
- Camila O. S. Souza
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Jefferson Elias-Oliveira
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Marcella R. Pastore
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
- Programa de Pós-Graduação em Biociências e Biotecnologia Aplicadas à Farmácia, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Ribeirão Preto, Brazil
| | - Caroline Fontanari
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Vanessa F. Rodrigues
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Vanderlei Rodriguez
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Luiz G. Gardinassi
- Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
| | - Lúcia H. Faccioli
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
- *Correspondence: Lúcia H. Faccioli,
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Malta KK, Silva TP, Palazzi C, Neves VH, Carmo LAS, Cardoso SJ, Melo RCN. Changing our view of the Schistosoma granuloma to an ecological standpoint. Biol Rev Camb Philos Soc 2021; 96:1404-1420. [PMID: 33754464 DOI: 10.1111/brv.12708] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 12/27/2022]
Abstract
Schistosomiasis, a neglected parasitic tropical disease that has plagued humans for centuries, remains a major public health burden. A primary challenge to understanding schistosomiasis is deciphering the most remarkable pathological feature of this disease, the granuloma - a highly dynamic and self-organized structure formed by both host and parasite components. Granulomas are considered a remarkable example of how parasites evolved with their hosts to establish complex and intimate associations. However, much remains unclear regarding life within the granuloma, and strategies to restrain its development are still lacking. Here we explore current information on the hepatic Schistosoma mansoni granuloma in the light of Ecology and propose that this intricate structure acts as a real ecosystem. The schistosomal granuloma is formed by cells (biotic component), protein scaffolds, fibres, and chemical compounds (abiotic components) with inputs/outputs of energy and matter, as complex as in classical ecosystems. We review the distinct cell populations ('species') within the granuloma and examine how they integrate with each other and interact with their microenvironment to form a multifaceted cell community in different space-time frames. The colonization of the hepatic tissue to form granulomas is explained from the point of view of an ecological succession whereby a community is able to modify its physical environment, creating conditions and resources for ecosystem construction. Remarkably, the granuloma represents a dynamic evolutionary system that undergoes progressive changes in the 'species' that compose its community over time. In line with ecological concepts, we examine the granuloma not only as a place where a community of cells is settled (spatial niche or habitat) but also as a site in which the functional activities of these combined populations occur in an orchestrated way in response to microenvironmental gradients such as cytokines and egg antigens. Finally, we assert how the levels of organization of cellular components in a granuloma as conventionally defined by Cell Biology can fit perfectly into a hierarchical structure of biological systems as defined by Ecology. By rethinking the granuloma as an integrating and evolving ecosystem, we draw attention to the inner workings of this structure that are central to the understanding of schistosomiasis and could guide its future treatment.
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Affiliation(s)
- Kássia K Malta
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Biodiversity, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil
| | - Thiago P Silva
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Biodiversity, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil
| | - Cinthia Palazzi
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Cell Biology, Federal University of Minas Gerais, Belo Horizonte, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Vitor H Neves
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Cell Biology, Federal University of Minas Gerais, Belo Horizonte, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Lívia A S Carmo
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Department of Medicine, Federal University of Alagoas, Rodovia AL-115, Bom Sucesso, Arapiraca, AL, 57309-005, Brazil
| | - Simone J Cardoso
- Graduate Program in Biodiversity, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Laboratory of Plankton Ecology, Department of Zoology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil
| | - Rossana C N Melo
- Laboratory of Cellular Biology, Department of Biology, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Biodiversity, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil.,Graduate Program in Cell Biology, Federal University of Minas Gerais, Belo Horizonte, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil
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McDonald EA, Kurtis JD, Acosta L, Gundogan F, Sharma S, Pond-Tor S, Wu HW, Friedman JF. Schistosome egg antigens elicit a proinflammatory response by trophoblast cells of the human placenta. Infect Immun 2013; 81:704-12. [PMID: 23250950 PMCID: PMC3584891 DOI: 10.1128/iai.01149-12] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 12/11/2012] [Indexed: 01/23/2023] Open
Abstract
Schistosomiasis affects nearly 40 million women of reproductive age. Many of these women are infected while pregnant and lactating. Several studies have demonstrated transplacental trafficking of schistosome antigens; however, little is known regarding how these antigens affect the developing fetus and placenta. To evaluate the impact of schistosomiasis on trophoblasts of the human placenta, we isolated primary trophoblast cells from healthy placentas delivered at term. These trophoblasts were placed in culture and treated with Schistosoma japonicum soluble egg antigens (SEA) or plasma from S. japonicum-infected pregnant women. Outcomes measured included cytokine production and activation of signal transduction pathways. Treatment of primary human trophoblast cells with SEA resulted in upregulation of the proinflammatory cytokines interleukin 6 (IL-6) and IL-8 and the chemokine macrophage inflammatory protein 1α (MIP-1α). Cytokine production in response to SEA was dose dependent and reminiscent of production in response to other proinflammatory stimuli, such as Toll-like receptor 2 (TLR2) and TLR4 agonists. In addition, the signaling pathways extracellular signal-regulated kinase 1/2 (ERK1/2), Jun N-terminal protein kinase (JNK), p38, and NF-κB were all activated by SEA in primary trophoblasts. These effects appeared to be mediated through both carbohydrate and protein epitopes of SEA. Finally, primary trophoblasts cocultured with plasma from S. japonicum-infected pregnant women produced increased levels of IL-8 compared to trophoblasts cocultured with plasma from uninfected pregnant women. We report here a direct impact of SEA on primary human trophoblast cells, which are critical for many aspects of a healthy pregnancy. Our data indicate that schistosome antigens can activate proinflammatory responses in trophoblasts, which might compromise maternal-fetal health in pregnancies complicated by schistosomiasis.
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Affiliation(s)
- Emily A McDonald
- Center for International Health Research, Rhode Island Hospital, Brown University Medical School, Providence, Rhode Island, USA.
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Kim EM, Bae YM, Choi MH, Hong ST. Cyst formation, increased anti-inflammatory cytokines and expression of chemokines support for Clonorchis sinensis infection in FVB mice. Parasitol Int 2011; 61:124-9. [PMID: 21820080 DOI: 10.1016/j.parint.2011.07.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Revised: 07/01/2011] [Accepted: 07/02/2011] [Indexed: 10/17/2022]
Abstract
To verify the hypothesis that different pathology of Clonorchis sinensis infection by mouse strains is determined by different responses of cytokines and chemokines, we compared those responses of FVB with those of BALB/c mice. All of FVB mice infected with 30 metacercariae of C. sinensis showed cystic dilatation in the liver, whereas infected BALB/c mice did not. Mature worms were recovered from 19 of 20 liver sections of FVB mice while only one of 20 sections of BALB/c mice revealed a mature worm. In both strains the proportion of CD4(+) T cells was lower in C. sinensis-infected than in the uninfected group. However, the proportion of CD8(+) T cells was elevated in C. sinensis-infected from both strains compared to uninfected mice. The Th2-associated anti-inflammatory cytokines such as IL-4, IL-5 and IL-13, IL-10 and TGF-β, were significantly more produced by the lymphocytes of FVB than by those of BALB/c mice. Especially, the 2 anti-inflammatory cytokines, IL-10 and TGF-β, were presumably related with susceptibility and the development of worms in the liver. C. sinensis infected FVB mice also produced more chemokines such as RANTES and MIP-1α in the liver lymphocytes than BALB/c mice. In conclusion, the FVB mice provide the favorable niche for C. sinensis by cyst formation in the bile duct, increased production of Th2-associated anti-inflammatory cytokines and upregulation of chemokines.
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Affiliation(s)
- Eun-Min Kim
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Republic of Korea
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Ellis MK, Li Y, Hou X, Chen H, McManus DP. sTNFR-II and sICAM-1 are associated with acute disease and hepatic inflammation in schistosomiasis japonica. Int J Parasitol 2007; 38:717-23. [PMID: 18001742 PMCID: PMC2757305 DOI: 10.1016/j.ijpara.2007.09.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2007] [Revised: 09/24/2007] [Accepted: 09/27/2007] [Indexed: 12/20/2022]
Abstract
Soluble intracellular adhesive molecule 1 (sICAM-1) and tumour necrosis factor receptors I (TNFR-1) and II (TNFR-II) have been shown to be associated with numerous liver disorders. Shedding of these membrane proteins can be triggered by the Th1 cytokines, TNF-alpha and IFN-gamma, which are associated with susceptibility or resistance to hepatic schistosomiasis, respectively. Further, TNF-alpha receptors and sICAM-1 have been implicated in periportal fibrosis in advanced human schistosomiasis mansoni and correlate with schistosome granuloma formation in the murine model. We measured serum levels of sICAM-1, TNFR-I and TNFR-II in Chinese patients with different clinically defined stages of schistosomiasis japonica and controls; these included 35 patients with acute schistosomiasis, 45 patients with chronic schistosome infections, 34 advanced patients with evidence of severe morbidity and 20 patients with no known history of exposure to infection. Markedly elevated levels of soluble TNFRs (sTNFRs) and sICAM-1 were observed in the acute and advanced patients compared with the chronic and control groups. Mean sTNFR-II levels were significantly higher in acute patients compared with advanced (P < 0.00001) and chronic patients (P < 0.00001) and showed the strongest association of the markers with acute disease (odds ratio (OR) = 1.099). sTNFR-II and sICAM-1 levels both correlated with infection intensity and there were significant positive correlations observed between eosinophil count and infection intensity (P = 0.0072) and sICAM-1 (P = 0.0014). Although there were significantly higher levels of antigen-specific IgG4 and total IgG in infected individuals compared with controls, none correlated with infection intensity. Further, no differences in IgG4 and total IgG levels were observed between the acute and chronic groups. The results suggest sTNFRs and sICAM-1 are associated with liver inflammation and disease progression. Measurement of sTNFR-II and sICAM-1 levels in serum could serve as additional markers for the diagnosis of acute stage disease and the monitoring of hepatic inflammation in human schistosomiasis japonica.
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Affiliation(s)
- Magda K Ellis
- Australian Centre for International and Tropical Health and Nutrition, The Queensland Institute of Medical Research, The University of Queensland, Brisbane, Qld 4029, Australia.
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Botros S, Mahmoud M, Hammam O, Salah F, Zidek Z, Masek K. Effect of adamantylamide dipeptide as adjuvant therapy to praziquantel in mice infected with different S. mansoni isolates. APMIS 2006; 114:480-91. [PMID: 16907853 DOI: 10.1111/j.1600-0463.2006.apm_380.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This work investigated the possible use of AdDP as adjuvant therapy to praziquantel (PZQ) in mice infected with PZQ-insusceptible Schistosoma mansoni isolate in a trial to increase the susceptibility of this isolate to the drug. Two batches of C57 BL/6 mice were infected with PZQ-susceptible and -insusceptible S. mansoni isolates, and each batch was divided into five groups. Seven weeks postinfection, the experimental group received AdDP (5 mg/kg) in addition to PZQ in reduced dose (3x100 mg/kg). Three of the remaining four groups were treated controls; they received AdDP, PZQ in reduced dose and in full dose (2x500 mg/kg), and the fourth group was infected untreated. In mice infected with PZQ-susceptible or -insusceptible S. mansoni isolate, praziquantel alone, and in addition to AdDP, reduced worm and egg loads and increased percentage dead eggs. Also, they improved the histopathological changes (reduction in granuloma diameter, percentage fibrotic area with increased percentage degenerated eggs). Inducible nitric oxide synthase (iNOS), nitric oxide (NO) in culture of peritoneal macrophages, and number of CD68-positive cells were decreased with improved alanine amino transaminase. In mice receiving combined therapy AdDP+PZQ, the antischistosomal efficacy and the reductions in the inflammatory granulomatous reactions, NO in cultured peritoneal macrophages, percentage fibrotic areas recorded, were comparable to that in mice receiving full dose of PZQ, with significantly higher reduction in CD68 cells denoting enhanced antischistosomal efficacy and healing of the inflammatory reactions in the liver.
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Affiliation(s)
- Sanaa Botros
- Department of Pharmacology, Theodor Bilharz Research Institute, Warrak El-Hadar, Imbaba, Giza, Egypt.
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Sato K, Imai Y, Higashi N, Kumamoto Y, Mukaida N, Irimura T. Redistributions of macrophages expressing the macrophage galactose-type C-type lectin (MGL) during antigen-induced chronic granulation tissue formation. Int Immunol 2005; 17:559-68. [PMID: 15802308 DOI: 10.1093/intimm/dxh235] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cell surface lectins are known to regulate trafficking of cells in the immune system, yet the role of macrophage galactose-type C-type lectin 1 and 2 (MGL1/2) is poorly understood. In this study, antigen-specific chronic inflammation was induced in a subcutaneous air pouch model in mice, and distribution of cells expressing MGL1/2 was investigated. Azobenzenearsonate-conjugated acetylated BSA, used as an antigen, was introduced into an air pouch of immunized mice, and tissue formation and distribution of MGL1/2-positive cells in the sub-dermal regions was examined. Thickness of the inflammatory tissue and number of MGL1/2-positive cells simultaneously reached the maximum at day 4 and returned to the control level at day 6 or 8. When additional antigenic challenges were given, a chronic granulation tissue, which had two distinct layers, was generated. In the chronic tissue, CD11b-positive/MGL1/2-negative cells were abundant in the area close to the antigenic stimulus, while the area far from the antigenic stimulus was dominated by MGL1/2-positive/CD11b-negative or -low cells. Flow cytometric analyses of isolated cells from the granulation tissue revealed that MGL1/2-positive cells expressed MHC class II at high levels, CD11b at low levels but no CD11c. MGL1/2-positive and -negative fractions were separated from cells in the granulation tissue and a higher level of IL-1alpha messenger RNA than negative populations was detected in the MGL1/2-positive fraction by the semi-quantitative reverse transcription-PCR method. IL-1alpha production by MGL1/2-positive cells was also immunohistochemically detected. Results suggest that MGL1/2-positive cells represent a distinct sub-population of macrophages, having unique functions in the generation and maintenance of granulation tissue induced by antigenic stimuli.
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Affiliation(s)
- Kayoko Sato
- Laboratory of Cancer Biology and Molecular Immunology, Graduate School of Pharmaceutical Sciences, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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Kurt RA, Brault MS, Fried B. Evidence of altered secondary lymphoid-tissue chemokine responsiveness in Balb/c mice infected with Schistosoma mansoni. J Parasitol 2003; 89:721-5. [PMID: 14533681 DOI: 10.1645/ge-92r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
To determine the extent to which splenic T cells were affected by Schistosoma mansoni infection, we investigated the ability of the T cells to produce interferon (IFN)-gamma, as well as their chemotactic ability 7 wk PI. In this study, we report that splenic T cells from Balb/c mice with S. mansoni infections were capable of producing levels of IFN-gamma comparable with splenic T cells from naive mice. However, the T cells exhibited altered chemotactic activity, as evidenced by an inability to respond to secondary lymphoid-tissue chemokine (SLC/CCL21). Although no difference in chemokine expression was found between the spleens of infected versus control mice, chemokine production was greater in the livers of infected versus control mice. Collectively, these data indicate that Balb/c mice with 7-wk S. mansoni infection possess splenic T cells with altered chemotactic activity and that the alterations may be a consequence of the granulomatous response in the liver.
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Affiliation(s)
- Robert A Kurt
- Department of Biology, Lafayette College, Easton, Pennsylvania 18042, USA.
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