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Winkler I, Tolkachov A, Lammers F, Lacour P, Daugelaite K, Schneider N, Koch ML, Panten J, Grünschläger F, Poth T, Ávila BMD, Schneider A, Haas S, Odom DT, Gonçalves Â. The cycling and aging mouse female reproductive tract at single-cell resolution. Cell 2024; 187:981-998.e25. [PMID: 38325365 DOI: 10.1016/j.cell.2024.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 04/21/2023] [Accepted: 01/12/2024] [Indexed: 02/09/2024]
Abstract
The female reproductive tract (FRT) undergoes extensive remodeling during reproductive cycling. This recurrent remodeling and how it shapes organ-specific aging remains poorly explored. Using single-cell and spatial transcriptomics, we systematically characterized morphological and gene expression changes occurring in ovary, oviduct, uterus, cervix, and vagina at each phase of the mouse estrous cycle, during decidualization, and into aging. These analyses reveal that fibroblasts play central-and highly organ-specific-roles in FRT remodeling by orchestrating extracellular matrix (ECM) reorganization and inflammation. Our results suggest a model wherein recurrent FRT remodeling over reproductive lifespan drives the gradual, age-related development of fibrosis and chronic inflammation. This hypothesis was directly tested using chemical ablation of cycling, which reduced fibrotic accumulation during aging. Our atlas provides extensive detail into how estrus, pregnancy, and aging shape the organs of the female reproductive tract and reveals the unexpected cost of the recurrent remodeling required for reproduction.
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Affiliation(s)
- Ivana Winkler
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany
| | - Alexander Tolkachov
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Fritjof Lammers
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Perrine Lacour
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany
| | - Klaudija Daugelaite
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany
| | - Nina Schneider
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany
| | - Marie-Luise Koch
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Jasper Panten
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany; German Cancer Research Center (DKFZ), Division of Computational Genomics and Systems Genetics, 69120 Heidelberg, Germany
| | - Florian Grünschläger
- Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany; German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Division of Stem Cells and Cancer, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany
| | - Tanja Poth
- CMCP - Center for Model System and Comparative Pathology, Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | | | - Augusto Schneider
- Universidade Federal de Pelotas, Faculdade de Nutrição, 96010-610 Pelotas, RS, Brazil
| | - Simon Haas
- German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Division of Stem Cells and Cancer, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany; Berlin Institute of Health (BIH) at Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany; Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 10115 Berlin, Germany; German Cancer Consortium (DKTK), 69120 Heidelberg, Germany; Charité - Universitätsmedizin Berlin, Department of Hematology, Oncology and Cancer Immunology, 10115 Berlin, Germany
| | - Duncan T Odom
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Cancer Research UK - Cambridge Institute, University of Cambridge, Cambridge, UK.
| | - Ângela Gonçalves
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany.
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2
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Brendle SA, Li JJ, Walter V, Schell TD, Kozak M, Balogh KK, Lu S, Christensen ND, Zhu Y, El-Bayoumy K, Hu J. Immune Responses in Oral Papillomavirus Clearance in the MmuPV1 Mouse Model. Pathogens 2023; 12:1452. [PMID: 38133335 PMCID: PMC10745854 DOI: 10.3390/pathogens12121452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Human papillomavirus (HPV)-induced oropharyngeal cancer now exceeds HPV-induced cervical cancer, with a noticeable sex bias. Although it is well established that women have a more proficient immune system, it remains unclear whether immune control of oral papillomavirus infections differs between sexes. In the current study, we use genetically modified mice to target CCR2 and Stat1 pathways, with the aim of investigating the role of both innate and adaptive immune responses in clearing oral papillomavirus, using our established papillomavirus (MmuPV1) infection model. Persistent oral MmuPV1 infection was detected in Rag1ko mice with T and B cell deficiencies. Meanwhile, other tested mice were susceptible to MmuPV1 infections but were able to clear the virus. We found sex differences in key myeloid cells, including macrophages, neutrophils, and dendritic cells in the infected tongues of wild type and Stat1ko mice but these differences were not observed in CCR2ko mice. Intriguingly, we also observed a sex difference in anti-MmuPV1 E4 antibody levels, especially for two IgG isotypes: IgG2b and IgG3. However, we found comparable numbers of interferon-gamma-producing CD8 T cells stimulated by E6 and E7 in both sexes. These findings suggest that males and females may use different components of innate and adaptive immune responses to control papillomavirus infections in the MmuPV1 mouse model. The observed sex difference in immune responses, especially in myeloid cells including dendritic cell (DC) subsets, may have potential diagnostic and prognostic values for HPV-associated oropharyngeal cancer.
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Affiliation(s)
- Sarah A. Brendle
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Jingwei J. Li
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Vonn Walter
- Department of Biochemistry & Molecular Biology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (V.W.); (K.E.-B.)
- Department of Public Health Sciences, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Todd D. Schell
- Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
| | - Michael Kozak
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Karla K. Balogh
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Song Lu
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Neil D. Christensen
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
- Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
| | - Yusheng Zhu
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
| | - Karam El-Bayoumy
- Department of Biochemistry & Molecular Biology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (V.W.); (K.E.-B.)
| | - Jiafen Hu
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, State College, PA 17033, USA; (S.A.B.); (J.J.L.); (M.K.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.L.); (Y.Z.)
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3
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Rosato PC, Lotfi-Emran S, Joag V, Wijeyesinghe S, Quarnstrom CF, Degefu HN, Nedellec R, Schenkel JM, Beura LK, Hangartner L, Burton DR, Masopust D. Tissue-resident memory T cells trigger rapid exudation and local antibody accumulation. Mucosal Immunol 2023; 16:17-26. [PMID: 36657662 DOI: 10.1016/j.mucimm.2022.11.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 11/29/2022] [Indexed: 01/18/2023]
Abstract
Adaptive immunity is didactically partitioned into humoral and cell-mediated effector mechanisms, which may imply that each arm is separate and does not function together. Here, we report that the activation of CD8+ resident memory T cells (TRM) in nonlymphoid tissues triggers vascular permeability, which facilitates rapid distribution of serum antibodies into local tissues. TRM reactivation was associated with transcriptional upregulation of antiviral signaling pathways as well as Fc receptors and components of the complement cascade. Effects were local, but evidence is presented that TRM in brain and reproductive mucosa are both competent to induce rapid antibody exudation. TRM reactivation in the mouse female genital tract increased local concentrations of virus-specific neutralizing antibodies, including anti-vesicular stomatitis virus, and passively transferred anti-HIV antibodies. We showed that this response was sufficient to increase the efficacy of ex vivo vesicular stomatitis virus neutralization. These results indicate that CD8+ TRM antigen recognition can enhance local humoral immunity.
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Affiliation(s)
- Pamela C Rosato
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA; Geisel School of Medicine at Dartmouth College, Dartmouth Cancer Center, Department of Microbiology and Immunology, Lebanon, NH, USA
| | - Sahar Lotfi-Emran
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA
| | - Vineet Joag
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA
| | - Sathi Wijeyesinghe
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA
| | - Clare F Quarnstrom
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA
| | - Hanna N Degefu
- Geisel School of Medicine at Dartmouth College, Dartmouth Cancer Center, Department of Microbiology and Immunology, Lebanon, NH, USA
| | - Rebecca Nedellec
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Jason M Schenkel
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA
| | - Lalit K Beura
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA; Brown University, Department of Molecular Microbiology and Immunology, Providence, RI, USA
| | - Lars Hangartner
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Dennis R Burton
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA; Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - David Masopust
- University of Minnesota, Center for Immunology, Department of Microbiology and Immunology, Minneapolis, MN, USA.
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Hu J, Brendle SA, Li JJ, Walter V, Cladel NM, Cooper T, Shearer DA, Balogh KK, Christensen ND. Depo Medroxyprogesterone (DMPA) Promotes Papillomavirus Infections but Does Not Accelerate Disease Progression in the Anogenital Tract of a Mouse Model. Viruses 2022; 14:v14050980. [PMID: 35632722 PMCID: PMC9147738 DOI: 10.3390/v14050980] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/29/2022] [Accepted: 05/03/2022] [Indexed: 02/01/2023] Open
Abstract
Contraceptives such as Depo-medroxyprogesterone (DMPA) are used by an estimated 34 million women worldwide. DMPA has been associated with increased risk of several viral infections including Herpes simplex virus-2 (HSV-2) and Human immunodeficiency virus (HIV). In the current study, we used the mouse papillomavirus (MmuPV1) anogenital infection model to test two hypotheses: (1) contraceptives such as DMPA increase the susceptibility of the anogenital tract to viral infection and (2) long-term contraceptive administration induces more advanced disease at the anogenital tract. DMPA treatments of both athymic nude mice and heterozygous NU/J (Foxn1nu/+) but ovariectomized mice led to a significantly increased viral load at the anogenital tract, suggesting that endogenous sex hormones were involved in increased viral susceptibility by DMPA treatment. Consistent with previous reports, DMPA treatment suppressed host anti-viral activities at the lower genital tract. To test the impact of long-term contraceptive treatment on the MmuPV1-infected lower genital tract, we included two other treatments in addition to DMPA: 17β-estradiol and a non-hormone based contraceptive Cilostazol (CLZ, Pletal). Viral infections were monitored monthly up to nine months post infection by qPCR. The infected vaginal and anal tissues were harvested and further examined by histological, virological, and immunological analyses. Surprisingly, we did not detect a significantly higher grade of histology in animals in the long-term DMPA and 17β-estradiol treated groups when compared to the control groups in the athymic mice we tested. Therefore, although DMPA promotes initial papillomavirus infections in the lower genital tract, the chronic administration of DMPA does not promote cancer development in the infected tissues in our mouse model.
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Affiliation(s)
- Jiafen Hu
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
- Correspondence:
| | - Sarah A. Brendle
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Jingwei J. Li
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Vonn Walter
- Department of Public Health Sciences, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
- Department of Biochemistry and Molecular Biology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Nancy M. Cladel
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Timothy Cooper
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, NIH, Fort Detrick, Frederick, MD 21702, USA;
| | - Debra A. Shearer
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Karla K. Balogh
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Neil D. Christensen
- The Jake Gittlen Laboratories for Cancer Research, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA; (S.A.B.); (J.J.L.); (N.M.C.); (D.A.S.); (K.K.B.); (N.D.C.)
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
- Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
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Uyangaa E, Choi JY, Patil AM, Hossain FMA, Park SO, Kim B, Kim K, Eo SK. Dual TLR2/9 Recognition of Herpes Simplex Virus Infection Is Required for Recruitment and Activation of Monocytes and NK Cells and Restriction of Viral Dissemination to the Central Nervous System. Front Immunol 2018; 9:905. [PMID: 29760708 PMCID: PMC5936768 DOI: 10.3389/fimmu.2018.00905] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 04/11/2018] [Indexed: 12/24/2022] Open
Abstract
The importance of TLR2 and TLR9 in the recognition of infection with herpes simplex virus (HSV) and HSV-caused diseases has been described, but some discrepancies remain concerning the benefits of these responses. Moreover, the impact of TLR2/9 on innate and adaptive immune responses within relevant mucosal tissues has not been elucidated using natural mucosal infection model of HSV. Here, we demonstrate that dual TLR2/9 recognition is essential to provide resistance against mucosal infection with HSV via an intravaginal route. Dual TLR2/9 ablation resulted in the highly enhanced mortality with exacerbated symptoms of encephalitis compared with TLR2 or TLR9 deficiency alone, coinciding with highly increased viral load in central nervous system tissues. TLR2 appeared to play a minor role in providing resistance against mucosal infection with HSV, since TLR2-ablated mice showed higher survival rate compared with TLR9-ablated mice. Also, the high mortality in dual TLR2/9-ablated mice was closely associated with the reduction in early monocyte and NK cell infiltration in the vaginal tract (VT), which was likely to correlate with low expression of cytokines and CCR2 ligands (CCL2 and CCL7). More interestingly, our data revealed that dual TLR2/9 recognition of HSV infection plays an important role in the functional maturation of TNF-α and iNOS-producing dendritic cells (Tip-DCs) from monocytes as well as NK cell activation in VT. TLR2/9-dependent maturation of Tip-DCs from monocytes appeared to specifically present cognate Ag, which effectively provided functional effector CD4+ and CD8+ T cells specific for HSV Ag in VT and its draining lymph nodes. TLR2/9 expressed in monocytes was likely to directly facilitate Tip-DC-like features after HSV infection. Also, dual TLR2/9 recognition of HSV infection directly activated NK cells without the aid of dendritic cells through activation of p38 MAPK pathway. Taken together, these results indicate that dual TLR2/9 recognition plays a critical role in providing resistance against mucosal infection with HSV, which may involve a direct regulation of Tip-DCs and NK cells in VT. Therefore, our data provide a more detailed understanding of TLR2/9 role in conferring antiviral immunity within relevant mucosal tissues after mucosal infection with HSV.
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Affiliation(s)
- Erdenebileg Uyangaa
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
| | - Jin Young Choi
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
| | - Ajit Mahadev Patil
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
| | - Ferdaus Mohd Altaf Hossain
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea.,Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, Bangladesh
| | - Sung Ok Park
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
| | - Bumseok Kim
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
| | - Koanhoi Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan, South Korea
| | - Seong Kug Eo
- College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University, Iksan, South Korea
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6
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Hu J, Cladel NM, Budgeon LR, Balogh KK, Christensen ND. The Mouse Papillomavirus Infection Model. Viruses 2017; 9:v9090246. [PMID: 28867783 PMCID: PMC5618012 DOI: 10.3390/v9090246] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 08/23/2017] [Accepted: 08/24/2017] [Indexed: 12/28/2022] Open
Abstract
The mouse papillomavirus (MmuPV1) was first reported in 2011 and has since become a powerful research tool. Through collective efforts from different groups, significant progress has been made in the understanding of molecular, virological, and immunological mechanisms of MmuPV1 infections in both immunocompromised and immunocompetent hosts. This mouse papillomavirus provides, for the first time, the opportunity to study papillomavirus infections in the context of a small common laboratory animal for which abundant reagents are available and for which many strains exist. The model is a major step forward in the study of papillomavirus disease and pathology. In this review, we summarize studies using MmuPV1 over the past six years and share our perspectives on the value of this unique model system. Specifically, we discuss viral pathogenesis in cutaneous and mucosal tissues as well as in different mouse strains, immune responses to the virus, and local host-restricted factors that may be involved in MmuPV1 infections and associated disease progression.
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Affiliation(s)
- Jiafen Hu
- The Jake Gittlen Laboratories for Cancer Research, Hershey, PA 17033, USA.
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
| | - Nancy M Cladel
- The Jake Gittlen Laboratories for Cancer Research, Hershey, PA 17033, USA.
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
| | - Lynn R Budgeon
- The Jake Gittlen Laboratories for Cancer Research, Hershey, PA 17033, USA.
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
| | - Karla K Balogh
- The Jake Gittlen Laboratories for Cancer Research, Hershey, PA 17033, USA.
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
| | - Neil D Christensen
- The Jake Gittlen Laboratories for Cancer Research, Hershey, PA 17033, USA.
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
- Department of Microbiology and Immunology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
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7
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Iversen MB, Paludan SR, Holm CK. Vaginal HSV-2 Infection and Tissue Analysis. Bio Protoc 2017; 7:e2383. [PMID: 34541121 DOI: 10.21769/bioprotoc.2383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 04/06/2017] [Accepted: 06/05/2017] [Indexed: 11/02/2022] Open
Abstract
The vaginal murine HSV-2 infection model is very useful in studying mucosal immunity against HSV-2 ( Overall et al., 1975 ; Renis et al., 1976 ; Parr and Parr, 2003). Histologically, the vagina of Depo-Provera-treated mice is lined by a single layer of mucus secreting columnar epithelial cells overlying two to three layers of proliferative cells. Even though this is morphologically different from the human vagina, it closely resembles the endocervical epithelium, which is thought to be the primary site of HSV-2 infection in women ( Parr et al., 1994 ; Kaushic et al., 2011). In the protocol presented here, mice are pre-treated with Depo-Provera before intra-vaginal inoculation with HSV-2. The virus replicates in the mucosal epithelium from where it spreads to and replicates in the CNS including the spinal cord, brain stem, cerebrum and cerebellum. Cytokine responses can be detected in vaginal washings using ELISA or in vaginal tissues using qPCR. Further, the recruitment of leukocytes to the vagina can be determined by flow cytometry. The model is suitable for research of both innate and adaptive immunity to HSV-2 infection.
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Affiliation(s)
- Marie Beck Iversen
- Department of Biomedicine, Faculty of Health Sciences, Aarhus University, Aarhus, Denmark
| | - Søren Riis Paludan
- Department of Biomedicine, Faculty of Health Sciences, Aarhus University, Aarhus, Denmark
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8
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A mechanism for the induction of type 2 immune responses by a protease allergen in the genital tract. Proc Natl Acad Sci U S A 2017; 114:E1188-E1195. [PMID: 28137851 DOI: 10.1073/pnas.1612997114] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The genital mucosa is a barrier that is constantly exposed to a variety of pathogens, allergens, and external stimuli. Although both allergen exposure and parasite infections frequently occur in the genital area, the mechanism by which immune responses-particularly type 2 immunity-are induced has rarely been studied in the genital mucosa. Here, we demonstrate the induction of T helper type 2 (Th2) immunity in the genital mucosa in response to a model allergen, the protease papain. Intravaginal papain immunization induced type 2 immunity in a manner that was dependent on protease activity and the estrous phase of the mice. In addition, IL-33 was released from the vaginal epithelia after intravaginal papain immunization, leading to the activation of type 2 innate lymphoid cells (ILC2s). Moreover, the IL-33-MyD88 (myeloid differentiation primary response gene 88) signaling pathway was critical for the induction of type 2 immunity. We also found that Th2 differentiation in response to intravaginal papain treatment requires a specific dendritic cell (DC) subset that is controlled by interferon regulatory factor 4 (IRF4). These findings suggest that type 2 immunity is induced by a unique mechanism in the genital tract, which is an important, but often overlooked, barrier surface.
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9
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The reproductive cycle is a pathogenic determinant during gonococcal pelvic inflammatory disease in mice. Mucosal Immunol 2016; 9:1051-64. [PMID: 26693700 PMCID: PMC4915993 DOI: 10.1038/mi.2015.122] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 10/08/2015] [Indexed: 02/04/2023]
Abstract
Women with asymptomatic Neisseria gonorrhoeae infection are at risk of developing pelvic inflammatory disease (PID) if the bacteria ascend from the endocervix into the uterus and oviducts. Factors that affect disease severity, ranging from mild discomfort to severe inflammation, pain, and infertility, remain elusive. Herein we perform direct transcervical inoculation of N. gonorrhoeae into the uterus of mice to establish an infection that leads to PID. Profoundly different disease outcomes were apparent at different stages of the reproductive cycle. Mice that were infected during the diestrus stage of the reproductive cycle displayed extensive gonococcal penetration into the submucosa, severe inflammation, and clinical signs reflecting discomfort. Meanwhile, infection during the intervening estrus stage showed only modest effects. Furthermore, a gonococcal-specific humoral response was only elicited following the penetrative upper genital tract (UGT) infection during diestrus but not estrus. Strikingly, the potential for antibodies to contribute to protection during re-infection also depends upon the reproductive stage, as antigonococcal antibodies within the genital tract were markedly higher when mice were in diestrus. Combined, this work establishes a robust new model reflecting gonococcal PID in humans and reveals how the reproductive cycle determines the pathogenic outcome of gonococcal infections of the UGT.
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10
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Hu J, Budgeon LR, Cladel NM, Balogh K, Myers R, Cooper TK, Christensen ND. Tracking vaginal, anal and oral infection in a mouse papillomavirus infection model. J Gen Virol 2016; 96:3554-3565. [PMID: 26399579 DOI: 10.1099/jgv.0.000295] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Noninvasive and practical techniques to longitudinally track viral infection are sought after in clinical practice. We report a proof-of-principle study to monitor the viral DNA copy number using a newly established mouse papillomavirus (MmuPV1) mucosal infection model. We hypothesized that viral presence could be identified and quantified by collecting lavage samples from cervicovaginal, anal and oral sites. Nude mice infected at these sites with infectious MmuPV1 were tracked for up to 23 weeks starting at 6 weeks post-infection. Viral DNA copy number was determined by SYBR Green Q-PCR analysis. In addition, we tracked viral DNA load through three complete oestrous cycles to pinpoint whether there was a correlation between the DNA load and the four stages of the oestrous cycle. Our results showed that high viral DNA copy number was reproducibly detected from both anal and cervicovaginal lavage samples. The infection and disease progression were further confirmed by histology, cytology, in situ hybridization, immunohistochemistry and transmission electron microscopy. Interestingly, the viral copy number fluctuated over the oestrous cycle, with the highest level at the oestrus stage, implying that multiple sampling might be necessary to provide a reliable diagnosis. Virus DNA was detected in oral lavage samples at a later time after infection. Lower viral DNA load was found in oral samples when compared with those in anal and vaginal tracts. To our knowledge, our study is the first in vivo study to sequentially monitor papillomavirus infection from mucosal anal, oral and vaginal tracts in a preclinical model.
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Affiliation(s)
- Jiafen Hu
- The Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Lynn R Budgeon
- The Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Nancy M Cladel
- The Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Karla Balogh
- The Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Roland Myers
- Section of Research Resources, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Timothy K Cooper
- Department of Comparative Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Neil D Christensen
- Department of Microbiology and Immunology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,The Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.,Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
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11
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Stelzer IA, Arck PC. Immunity and the Endocrine System. ENCYCLOPEDIA OF IMMUNOBIOLOGY 2016. [PMCID: PMC7151910 DOI: 10.1016/b978-0-12-374279-7.19001-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Lorenzen E, Follmann F, Jungersen G, Agerholm JS. A review of the human vs. porcine female genital tract and associated immune system in the perspective of using minipigs as a model of human genital Chlamydia infection. Vet Res 2015; 46:116. [PMID: 26411309 PMCID: PMC4586017 DOI: 10.1186/s13567-015-0241-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 08/11/2015] [Indexed: 03/16/2023] Open
Abstract
Sexually transmitted diseases constitute major health issues and their prevention and treatment continue to challenge the health care systems worldwide. Animal models are essential for a deeper understanding of the diseases and the development of safe and protective vaccines. Currently a good predictive non-rodent model is needed for the study of genital chlamydia in women. The pig has become an increasingly popular model for human diseases due to its close similarities to humans. The aim of this review is to compare the porcine and human female genital tract and associated immune system in the perspective of genital Chlamydia infection. The comparison of women and sows has shown that despite some gross anatomical differences, the structures and proportion of layers undergoing cyclic alterations are very similar. Reproductive hormonal cycles are closely related, only showing a slight difference in cycle length and source of luteolysing hormone. The epithelium and functional layers of the endometrium show similar cyclic changes. The immune system in pigs is very similar to that of humans, even though pigs have a higher percentage of CD4(+)/CD8(+) double positive T cells. The genital immune system is also very similar in terms of the cyclic fluctuations in the mucosal antibody levels, but differs slightly regarding immune cell infiltration in the genital mucosa - predominantly due to the influx of neutrophils in the porcine endometrium during estrus. The vaginal flora in Göttingen Minipigs is not dominated by lactobacilli as in humans. The vaginal pH is around 7 in Göttingen Minipigs, compared to the more acidic vaginal pH around 3.5-5 in women. This review reveals important similarities between the human and porcine female reproductive tracts and proposes the pig as an advantageous supplementary model of human genital Chlamydia infection.
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Affiliation(s)
- Emma Lorenzen
- Section for Veterinary Reproduction and Obstetrics, Department of Large Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
- Chlamydia Vaccine Research, Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark.
| | - Frank Follmann
- Chlamydia Vaccine Research, Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark.
| | - Gregers Jungersen
- Section for Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark, Copenhagen, Denmark.
| | - Jørgen S Agerholm
- Section for Veterinary Reproduction and Obstetrics, Department of Large Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Russell MW, Whittum-Hudson J, Fidel PL, Hook EW, Mestecky J. Immunity to Sexually Transmitted Infections. Mucosal Immunol 2015. [DOI: 10.1016/b978-0-12-415847-4.00112-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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14
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Mohan T, Mitra D, Rao DN. Nasal delivery of PLG microparticle encapsulated defensin peptides adjuvanted gp41 antigen confers strong and long-lasting immunoprotective response against HIV-1. Immunol Res 2014; 58:139-53. [PMID: 23666811 DOI: 10.1007/s12026-013-8428-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Defensins display immunostimulatory activities including a chemotactic effect for T lymphocytes/immature dendritic cells and secretion of pro-inflammatory cytokines suggest their role in bridging innate and adaptive immunity. We hypothesized whether defensins with separately emulsified HIV-1 immunogen would elicit peptide-specific systemic and mucosal antibody response in mice. The HIV-1 peptide alone in microsphere showed low peptide-specific antibody response in sera and different washes, while the presence of defensins markedly increased the antibody peak titre both in sera (102,400-409,600) (p < 0.05) and in washes (800-25,600) (p < 0.001). Defensins with HIV-1 peptide were showing 43.0-83.2% and 38.7-72.3% in vitro neutralization against laboratory isolates in serum and lavage samples, respectively, higher than HIV-1 peptide alone. Our findings may have implications in the development of new mucosal adjuvant for AIDS vaccination.
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Affiliation(s)
- Teena Mohan
- Department of Biochemistry, All India Institute of Medical Sciences (A.I.I.M.S.), Room Number 3029, New Delhi, 110029, India,
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15
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Hadas E, Chao W, He H, Saini M, Daley E, Saifuddin M, Bentsman G, Ganz E, Volsky DJ, Potash MJ. Transmission of chimeric HIV by mating in conventional mice: prevention by pre-exposure antiretroviral therapy and reduced susceptibility during estrus. Dis Model Mech 2013; 6:1292-8. [PMID: 23886803 PMCID: PMC3759349 DOI: 10.1242/dmm.012617] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Heterosexual transmission accounts for the majority of new human immunodeficiency virus (HIV) cases worldwide. The current approach to investigate HIV heterosexual transmission in animals involves application of virus stock to the vaginal surface, a method that does not reproduce the physiological conditions of vaginal intercourse that influence the rate of transmission. We have previously described efficient infection of conventional mice using EcoHIV/NL4-3 and EcoHIV/NDK, chimeric HIV molecular clones constructed to express all HIV structural and regulatory genes except envelope, which is replaced by a rodent-tropic envelope gene. Here we investigated whether EcoHIV/NDK-infected male mice transmit virus to females during coitus, and the sensitivity of this transmission to HIV pre-exposure prophylaxis and the estrus state. Our general approach was to allow mating between EcoHIV/NDK-infected male mice and uninfected females for 1–7 nights. At 1–6 weeks after mating, mice were euthanized and virus burdens were measured by quantitative PCR (qPCR) amplification of HIV RNA or DNA in peritoneal macrophages, inguinal lymph node cells, spleen cells or vas deferens, or by ELISA for antibodies to HIV Gag. We found that 70–100% of female mice mated to EcoHIV/NDK-infected males acquired infection. Pericoital treatment of females with either 2′,3′-dideoxcytidine (ddC) or tenofovir largely prevented their EcoHIV/NDK infection by mating (P<0.05 and P<0.003, respectively). In males, T cells were dispensable for virus transmission. The rate of EcoHIV/NDK sexual transmission to females in estrus declined sharply (P=0.003) but their infection by injection was unaffected, indicating that the local environment in the female reproductive tract influences susceptibility to HIV. We conclude that this system of EcoHIV/NDK transmission during mouse mating reproduces key features of heterosexual transmission of HIV in humans and can be used to investigate its biology and control.
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Affiliation(s)
- Eran Hadas
- Molecular Virology Division, St Luke's-Roosevelt Hospital Center, Columbia University Medical Center, New York, NY 10019, USA
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16
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Sex differences in prophylaxis and therapeutic treatments for viral diseases. Handb Exp Pharmacol 2013:499-522. [PMID: 23027464 DOI: 10.1007/978-3-642-30726-3_22] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The intensity and prevalence of viral infections are typically higher in males than in females. In contrast, disease outcome can be worse for females. Males and females also differ in their responses to prophylaxis and therapeutic treatments for viral diseases. In response to vaccines against herpes viruses, hepatitis viruses, influenza viruses, and others, females consistently mount higher humoral immune responses and experience more frequent and severe adverse reactions than males. Males and females also differ in the absorption, metabolism, and clearance of antiviral drugs. The pharmacological effects, including toxicity and adverse reactions, of antiviral drugs are typically greater in females than males. The efficacy of antiviral drugs at reducing viral load also differs between the sexes, with antiviral treatments being better at clearing HIV and hepatitis C virus in females, but showing greater reduction of herpes simplex virus and influenza A virus loads in males. Biological variables, including hormone and genes, as well as gender-specific factors related to access and compliance to drug regimens must be considered when evaluating male-female differences in responses to treatments for viral diseases. Clinicians, epidemiologists, and basic biomedical scientists should design experiments that include both males and females, develop a priori hypotheses that the sexes will differ in their responses to and the outcome of vaccines and antiviral treatments, and statistically analyze outcome data by sex. Knowledge that the sexes differ in response to prophylaxis and therapeutic treatments for viral diseases should influence the recommended course of treatment differently for males and females.
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17
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Klein SL. Sex influences immune responses to viruses, and efficacy of prophylaxis and treatments for viral diseases. Bioessays 2012; 34:1050-9. [PMID: 23012250 DOI: 10.1002/bies.201200099] [Citation(s) in RCA: 186] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The intensity and prevalence of viral infections are typically higher in males, whereas disease outcome can be worse for females. Females mount higher innate and adaptive immune responses than males, which can result in faster clearance of viruses, but also contributes to increased development of immunopathology. In response to viral vaccines, females mount higher antibody responses and experience more adverse reactions than males. The efficacy of antiviral drugs at reducing viral load differs between the sexes, and the adverse reactions to antiviral drugs are typically greater in females than males. Several variables should be considered when evaluating male/female differences in responses to viral infection and treatment: these include hormones, genes, and gender-specific factors related to access to, and compliance with, treatment. Knowledge that the sexes differ in their responses to viruses and to treatments for viral diseases should influence the recommended course of action differently for males and females. Editor's suggested further reading in BioEssays X-chromosome-located microRNAs in immunity: Might they explain male/female differences Abstract.
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Affiliation(s)
- Sabra L Klein
- The W. Harry Feinstone Department of Molecular Microbiology and Immunology, Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
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18
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Jiang J, Kelly KA. Isolation of lymphocytes from mouse genital tract mucosa. J Vis Exp 2012:e4391. [PMID: 22972306 DOI: 10.3791/4391] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Mucosal surfaces, including in the gastrointestinal, urogenital, and respiratory tracts, provide portals of entry for pathogens, such as viruses and bacteria. Mucosae are also inductive sites in the host to generate immunity against pathogens, such as the Peyers patches in the intestinal tract and the nasal-associated lymphoreticular tissue in the respiratory tract. This unique feature brings mucosal immunity as a crucial player of the host defense system. Many studies have been focused on gastrointestinal and respiratory mucosal sites. However, there has been little investigation of reproductive mucosal sites. The genital tract mucosa is the primary infection site for sexually transmitted diseases (STD), including bacterial and viral infections. STDs are one of the most critical health challenges facing the world today. Centers for Disease Control and Prevention estimates that there are 19 million new infectious every year in the United States. STDs cost the U.S. health care system $17 billion every year, and cost individuals even more in immediate and life-long health consequences. In order to confront this challenge, a greater understanding of reproductive mucosal immunity is needed and isolating lymphocytes is an essential component of these studies. Here, we present a method to reproducibly isolate lymphocytes from murine female genital tracts for immunological studies that can be modified for adaption to other species. The method described below is based on one mouse.
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Affiliation(s)
- Janina Jiang
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
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Klein SL, Jedlicka A, Pekosz A. The Xs and Y of immune responses to viral vaccines. THE LANCET. INFECTIOUS DISEASES 2010; 10:338-49. [PMID: 20417416 DOI: 10.1016/s1473-3099(10)70049-9] [Citation(s) in RCA: 556] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The biological differences associated with the sex of an individual are a major source of variation, affecting immune responses to vaccination. Compelling clinical data illustrate that men and women differ in their innate, humoral, and cell-mediated responses to viral vaccines. Sex affects the frequency and severity of adverse effects of vaccination, including fever, pain, and inflammation. Pregnancy can also substantially alter immune responses to vaccines. Data from clinical trials and animal models of vaccine efficacy lay the groundwork for future studies aimed at identifying the biological mechanisms that underlie sex-specific responses to vaccines, including genetic and hormonal factors. An understanding and appreciation of the effect of sex and pregnancy on immune responses might change the strategies used by public health officials to start efficient vaccination programmes (optimising the timing and dose of the vaccine so that the maximum number of people are immunised), ensure sufficient levels of immune responses, minimise adverse effects, and allow for more efficient protection of populations that are high priority (eg, pregnant women and individuals with comorbid conditions).
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Affiliation(s)
- Sabra L Klein
- W Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA.
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20
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Cuburu N, Kweon MN, Hervouet C, Cha HR, Pang YYS, Holmgren J, Stadler K, Schiller JT, Anjuère F, Czerkinsky C. Sublingual immunization with nonreplicating antigens induces antibody-forming cells and cytotoxic T cells in the female genital tract mucosa and protects against genital papillomavirus infection. THE JOURNAL OF IMMUNOLOGY 2010; 183:7851-9. [PMID: 19933861 DOI: 10.4049/jimmunol.0803740] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
We have recently reported that the sublingual (s.l.) mucosa is an efficient site for inducing systemic and mucosal immune responses. In this study, the potential of s.l. immunization to induce remote Ab responses and CD8(+) cytotoxic responses in the female genital tract was examined in mice by using a nonreplicating Ag, OVA, and cholera toxin (CT) as an adjuvant. Sublingual administration of OVA and CT induced Ag-specific IgA and IgG Abs in blood and in cervicovaginal secretions. These responses were associated with large numbers of IgA Ab-secreting cells (ASCs) in the genital mucosa. Genital ASC responses were similar in magnitude and isotype distribution after s.l., intranasal, or vaginal immunization and were superior to those seen after intragastric immunization. Genital, but not blood or spleen, IgA ASC responses were inhibited by treatment with anti-CCL28 Abs, suggesting that the chemokine CCL28 plays a major role in the migration of IgA ASC progenitors to the reproductive tract mucosa. Furthermore, s.l. immunization with OVA induced OVA-specific effector CD8(+) cytolytic T cells in the genital mucosa, and these responses required coadministration of the CT adjuvant. Furthermore, s.l. administration of human papillomavirus virus-like particles with or without the CT adjuvant conferred protection against genital challenge with human papillomavirus pseudovirions. Taken together, these findings underscore the potential of s.l. immunization as an efficient vaccination strategy for inducing genital immune responses and should impact on the development of vaccines against sexually transmitted diseases.
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Affiliation(s)
- Nicolas Cuburu
- Laboratory Sciences Division, International Vaccine Institute, Seoul, Korea
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21
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Pennock JW, Stegall R, Bell B, Vargas G, Motamedi M, Milligan G, Bourne N. Estradiol improves genital herpes vaccine efficacy in mice. Vaccine 2009; 27:5830-6. [PMID: 19660586 DOI: 10.1016/j.vaccine.2009.07.052] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Revised: 07/11/2009] [Accepted: 07/18/2009] [Indexed: 11/24/2022]
Abstract
Herpes Simplex Virus type 2 causes genital herpes but is frequently transmitted asymptomatically; therefore, a prophylactic vaccine is desirable. A candidate vaccine in clinical trials has only shown efficacy in preventing disease in women. Using this subunit vaccine candidate, we were able to demonstrate infection prophylaxis, improved disease prevention and modulated antibody production by complimenting vaccination with estradiol in our murine model. Findings of estradiol-enhanced vaccine efficacy are the first of their kind using a vaccine of this type and have potential clinical relevance to the development of other vaccines and our understanding of gender differences in vaccine efficacy.
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Affiliation(s)
- Jeffry W Pennock
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
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22
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French SS, Moore MC, Demas GE. Ecological immunology: The organism in context. Integr Comp Biol 2009; 49:246-53. [PMID: 21665817 DOI: 10.1093/icb/icp032] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A major challenge in integrative biology is understanding the mechanisms by which organisms regulate trade-offs among various functions competing for limiting resources. Key among these competing processes is the maintenance of health and the production of offspring. Optimizing both, given limited resources, can prove challenging. The physiological and behavioral changes that occur during reproduction have been shown to greatly influence an organism's immune system, which can have consequences for susceptibility to disease. Likewise, investing in costly immunological defenses can impair reproductive function. However, the precise nature of these physiological and behavioral interactions appears to be greatly dependent upon the environmental context in which they occur. Here we take a comparative look at interactions between the reproductive and immune systems, including current immunological approaches, and discuss how similar studies can reveal vastly disparate results. Specifically, we highlight results from the ornate tree lizard (Urosuarus ornatus) and the Siberian hamster (Phodopus sungorus) model systems, which provide an example of current research in the field. Collectively, these results emphasize the importance of resource availability and an individual's energy stores for the existence of life-history trade-offs and the efficiency of physiological processes in general. Akin to Dobzhansky's famous line, like other aspects of biology, nothing in ecoimmunology seems to make sense except in the context of an organism's environment.
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Cytomegalovirus (CMV) infection—related to male and/or female infertility factors? Fertil Steril 2009; 91:67-82. [DOI: 10.1016/j.fertnstert.2007.11.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Revised: 11/11/2007] [Accepted: 11/11/2007] [Indexed: 11/18/2022]
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Ashcraft KA, Bonneau RH. Psychological stress exacerbates primary vaginal herpes simplex virus type 1 (HSV-1) infection by impairing both innate and adaptive immune responses. Brain Behav Immun 2008; 22:1231-40. [PMID: 18639627 PMCID: PMC3721735 DOI: 10.1016/j.bbi.2008.06.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2008] [Revised: 06/09/2008] [Accepted: 06/20/2008] [Indexed: 11/26/2022] Open
Abstract
Chronic psychological stress is generally immunosuppressive and contributes to an increase in herpes simplex virus (HSV) pathogenicity. We have previously shown that mice experiencing stress at the time of intranasal HSV infection have increased levels of infectious virus in their nasal cavity, as compared to control mice that were not subjected to stress. We have extended our studies to determine the effects of stress at another clinically-relevant mucosal site by examining the immune response to and pathogenesis of vaginal HSV infection. Mice experiencing psychological stress during vaginal HSV infection exhibited an increase in both vaginal viral titers and the pathology associated with this HSV infection. We demonstrate that these observations result from the failure of both the innate and HSV-specific adaptive immune responses. At 2 days post-infection, NK cell numbers were significantly decreased in mice experiencing restraint stress. Studies examining the adaptive immune response revealed a decrease in the number of HSV-specific CD8(+) T cells in not only the vaginal tissue itself but also the draining iliac lymph nodes (ILN). Furthermore, the number of functional cells, in terms of both their degranulation and interferon-gamma production, in the ILN of stressed mice was decreased as compared to non-stressed mice. We conclude that psychological stress, through its suppression of both innate and adaptive immune responses, may be an important factor in the ability to control vaginal HSV infection.
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Affiliation(s)
- Kathleen A. Ashcraft
- Department of Microbiology and Immunology, The Pennsylvania State University College of Medicine, Milton S. Hershey Medical Center, Hershey, Pennsylvania 17033, USA
| | - Robert H. Bonneau
- Department of Microbiology and Immunology, The Pennsylvania State University College of Medicine, Milton S. Hershey Medical Center, Hershey, Pennsylvania 17033, USA,Correspondence should be addressed to: Robert H. Bonneau, Ph.D., Department of Microbiology and Immunology (H107), The Pennsylvania State University College of Medicine, Milton S. Hershey Medical Center, 500 University Drive, Hershey, Pennsylvania 17033, Telephone: 717-531-4078; Fax: 717-531-6522;
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Intranasal and subcutaneous immunization under the effect of estradiol leads to better protection against genital HSV-2 challenge compared to progesterone. Vaccine 2008; 26:6165-72. [PMID: 18804503 DOI: 10.1016/j.vaccine.2008.08.045] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2008] [Revised: 08/23/2008] [Accepted: 08/29/2008] [Indexed: 11/20/2022]
Abstract
This study examined the effect of hormonal environment on intranasal and subcutaneous routes of immunization in a genital herpes infection model. Ovariectomized mice were treated with estradiol (E(2)), progesterone (P(4)) or placebo hormone pellets and immunized intranasally (i.n.) or subcutaneously (s.c.) with attenuated HSV-2. Immunized mice were subsequently challenged, intravaginally, with wild-type HSV-2. Mice immunized under the influence of E(2) showed higher survival rates, reduced pathology and significantly lower viral shedding compared with those immunized under the influence of P(4) or placebo, by both i.n. and s.c. routes. Vaginal and serum anti-HSV-2 IgG, but not IgA, levels correlated with decreased pathology in E(2)-treated, i.n. immunized mice. We conclude that immunization under the influence of E(2) afforded better protection compared to placebo and P(4), by both routes of immunization. Female sex hormones can influence immune responses and outcome of viral challenge in the genital tract following systemic immunization.
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Huber SA. Coxsackievirus B3-induced myocarditis: infection of females during the estrus phase of the ovarian cycle leads to activation of T regulatory cells. Virology 2008; 378:292-8. [PMID: 18586295 DOI: 10.1016/j.virol.2008.05.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2008] [Revised: 04/08/2008] [Accepted: 05/13/2008] [Indexed: 11/17/2022]
Abstract
Transgenic female mice expressing the TNFalpha gene under the cardiac myosin promoter (TNF1.6) develop substantially increased myocarditis and increased numbers of CD4+Th1 (interferon gamma+) cells when infected with coxsackievirus B3 (CVB3) during the diestrus and proestrus phases of the estrus cycle compared to females infected during the estrus and metestrus phases. Cardiac virus titers were increased in females infected in estrus compared to females infected during the other phases. T regulatory cells (CD4+CD25+FoxP3+) were increased in both peripheral blood and inflammatory cells in the heart in females infected during estrus. Exogenous administration of 200 ng/mouse 17-beta-estradiol to females protected against CVB3 induced myocarditis and increased CD4+CD25+FoxP3+ cells. These results demonstrate that hormonal fluctuations occurring in normally cycling females can determine T regulatory cell response and control virus-induced pathogenesis.
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Affiliation(s)
- S A Huber
- University of Vermont, Department of Pathology, 208 South Park Drive, Suite #2, Colchester, Vermont 05446, USA.
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Muller WJ, Orgun NN, Dong L, Koelle DM, Huang ML, Way SS. Recombinant Listeria monocytogenes expressing an immunodominant peptide fails to protect after intravaginal challenge with herpes simplex virus-2. Arch Virol 2008; 153:1165-9. [PMID: 18443737 DOI: 10.1007/s00705-008-0089-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2008] [Accepted: 04/14/2008] [Indexed: 11/28/2022]
Abstract
Recombinant Listeria monocytogenes expressing a type-common herpes simplex virus (HSV) gB-peptide was shown previously to protect against footpad inoculation with HSV-1. We tested this construct for protection against vaginal challenge with HSV-2. Primed mice demonstrated strong recall responses, had modest reductions in HSV-2 DNA in vaginal mucosa, but were not protected from disease.
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Affiliation(s)
- William J Muller
- Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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28
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Immunization with adenovirus at the large intestinal mucosa as an effective vaccination strategy against sexually transmitted viral infection. Mucosal Immunol 2008; 1:78-88. [PMID: 19079163 DOI: 10.1038/mi.2007.3] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The large intestinal mucosa contains immunological structures that may potentially serve as a site for induction of mucosal immunity against infections. Adenovirus (Ad), which is effective in gene transfer to epithelia, may be an ideal antigen delivery system for vaccination at the large intestinal mucosa. To investigate this potential, we immunized mice with recombinant replication-deficient Ad through a single intracolorectal (ICR) administration. Effective transfer of encoded genes was found in both the epithelial layer and lamina propria of the colorectal mucosa. Dendritic cells were able to transfer antigen to the draining lymph nodes, where antigen-specific CD8(+) T cells were primed. Functional antigen-specific CD8(+) T cells and IgA-specific antibodies were detected during the effector phase in the large intestine. Compared to other immunization routes (intranasal, subcutaneous), ICR immunization induced stronger colorectal immune responses and more potent protection against rectal challenge with pathogenic viruses. Further, this immunization strategy provided vaginal protection, more potent than that induced by vaccination in the nose or skin. Therefore, large intestine mucosal immunization using Ad represents an effective vaccination strategy against virus infection at both rectal and vaginal mucosal tissue sites.
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29
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Zhu Q, Thomson CW, Zhang G, Stämpfli M, McDermott MR, Collins SM, Gauldie J. Eosinophilia is induced in the colon of Th2-sensitized mice upon exposure to locally expressed antigen. Am J Physiol Gastrointest Liver Physiol 2007; 293:G383-90. [PMID: 17431215 DOI: 10.1152/ajpgi.00341.2006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Eosinophilic inflammation is a feature of a variety of gastrointestinal (GI) disorders including eosinophil-associated GI disorder, allergy, inflammatory bowel disease, and parasite infection. Elucidating the mechanisms of eosinophil infiltration into the GI tract is important to the understanding of multiple disease processes. We hypothesize that eosinophilia in the large intestine (colon) can be induced by an antigen in a host that is associated with Th2-skewed antigen-specific immune responses. To investigate the importance of antigenic triggering, we established polarized antigen-specific Th2 type responses in BALB/c mice, using ovalbumin in conjunction with aluminum hydroxide. Upon challenge at the colonic mucosa through transient (3-4 days) expression of the antigen gene encoded in an adenovirus vector, sensitized animals developed significant subepithelial colonic inflammation, characterized by marked eosinophilic infiltration, and the presence of enlarged and increased numbers of lymphoid follicles. The alterations peaked around day 5 and resolved over the next 5-10 days, and no epithelial cell damage was detected through the entire course. Administration of a control (empty) adenovirus vector did not lead to any pathological changes. These data suggest that colonic eosinophilia can be induced by exposure to an antigen associated with preexisting Th2-skewed responses. Thus the model established here may provide a useful tool to study GI and, in particular, colonic inflammation with respect to underlying mechanisms involved in the recruitment and the immediate function of eosinophils.
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Affiliation(s)
- Qing Zhu
- Department of Pathology and Molecular Medicine, Center for Gene Therapeutics, McMaster University, Hamilton, Ontario, Canada.
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30
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Yao XD, Fernandez S, Kelly MM, Kaushic C, Rosenthal KL. Expression of Toll-like receptors in murine vaginal epithelium is affected by the estrous cycle and stromal cells. J Reprod Immunol 2007; 75:106-19. [PMID: 17572507 DOI: 10.1016/j.jri.2007.04.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2006] [Revised: 04/24/2007] [Accepted: 04/26/2007] [Indexed: 11/28/2022]
Abstract
Vaginal epithelium is regulated by female sex hormones and serves as the first line of innate immune defense against sexually transmitted infections (STIs). This occurs in part through recognition of pathogens via Toll-like receptors (TLRs); however, the expression and role of TLRs in reproductive tract immunity are poorly understood. Here, we have compared the effect of the estrous cycle and treatment with DepoProvera (Depo) on TLR mRNA expression in whole mouse vaginal tissue, vaginal epithelium isolated using laser capture microdissection (LCM) and in primary vaginal epithelial cells (ECs) grown in vitro. Distinct patterns of TLR expression were observed in LCM-isolated vaginal epithelium versus whole vaginal tissue. Absolute quantitative RT-PCR of LCM vaginal epithelium showed that expression of all TLRs, except TLR11, was significantly increased during the diestrus phase or following Depo-treatment. TLR2 mRNA showed an extraordinary increase in expression in both diestrus and following Depo-treatment (23-fold) over that in the estrus phase. Although TLR2 protein was expressed at similar levels over the estrous cycle in whole vaginal tissue, full-length TLR2 protein was only detected during diestrus or after Depo-treatment in LCM-isolated vaginal epithelium. Distinct TLR mRNA expression profiles were seen also in primary vaginal ECs in vitro and only expression of TLR2 was significantly decreased in ECs cultured in the presence of stromal cells. Thus, TLR expression in vaginal ECs is regulated by sex hormones and can be affected by stromal cells. These findings contribute to our understanding of innate immune defense against STIs and enhance the quality of woman's reproductive health.
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Affiliation(s)
- Xiao-Dan Yao
- Centre for Gene Therapeutics, Department of Pathology & Molecular Medicine, McMaster University, MDCL 4019, Hamilton, Ontario, Canada
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Abstract
The internal surfaces of the human body are covered by distinct types of epithelial cells and mucus-secreting cells. The mucosal surfaces serve many vital functions, such as respiration (nasal passage and lung), absorption (gastrointestinal tract), excretion (lung, urinary tract, large intestine), and reproduction (reproductive tract). In performing these functions, the host is inevitably exposed to environmental antigens, food particles, commensal flora, and pathogens. Mucosal surfaces contain specialized dendritic cells (DCs) capable of sensing these external stimuli and mounting appropriate local responses depending on the nature of the elements they encounter. In the absence of pathogens, mucosal DCs either ignore the antigen or induce regulatory responses. Upon recognition of microorganisms that invade the mucosal barrier, mucosal DCs mount robust protective immunity. This review highlights progress in our understanding of how mucosal DCs process external information and direct appropriate responses by mobilizing various cells of the innate and adaptive immune systems to achieve homeostasis and protection.
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Affiliation(s)
- Akiko Iwasaki
- Section of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06520, USA.
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32
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de Souza APD, Haut LH, Silva R, Ferreira SIACP, Zanetti CR, Ertl HCJ, Pinto AR. Genital CD8+ T cell response to HIV-1 gag in mice immunized by mucosal routes with a recombinant simian adenovirus. Vaccine 2007; 25:109-16. [PMID: 16914235 DOI: 10.1016/j.vaccine.2006.07.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2006] [Revised: 06/28/2006] [Accepted: 07/05/2006] [Indexed: 11/16/2022]
Abstract
AdC6gag37, an E1-deleted adenovirus recombinant derived from the chimpanzee adenovirus serotype 6 expressing a codon-optimized truncated form of gag of HIV-1, was tested for induction of transgene-specific CD8+ T cell responses upon intranasal or intravaginal immunization of mice. Administration of AdC6gag37 induced gag-specific CD8+ T cells at systemic and mucosal sites. Frequencies of gag-specific CD8+ T cells elicited in the genital tract by intravaginal or intranasal immunizations were substantially increased by intranasal priming followed by intravaginal boosting with the same vector. Additionally, intravaginal immunization with AdC6gag37 increased the amount of gammadelta T cells that could be detected in genital tract.
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MESH Headings
- AIDS Vaccines/administration & dosage
- AIDS Vaccines/genetics
- AIDS Vaccines/immunology
- Adenoviruses, Simian/genetics
- Adenoviruses, Simian/immunology
- Administration, Intravaginal
- Animals
- CD8-Positive T-Lymphocytes/immunology
- Female
- Gene Products, gag/administration & dosage
- Gene Products, gag/genetics
- Gene Products, gag/immunology
- Genetic Vectors
- Genitalia, Female/immunology
- HIV Infections/immunology
- HIV Infections/prevention & control
- HIV-1/immunology
- Immunity, Mucosal
- Mice
- Mice, Inbred BALB C
- Receptors, Antigen, T-Cell, gamma-delta/metabolism
- Recombination, Genetic
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Affiliation(s)
- Ana Paula D de Souza
- Departamento de Microbiologia e Parasitologia, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
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Hill JM, Bhattacharjee PS, Neumann DM. Apolipoprotein E alleles can contribute to the pathogenesis of numerous clinical conditions including HSV-1 corneal disease. Exp Eye Res 2006; 84:801-11. [PMID: 17007837 PMCID: PMC2217677 DOI: 10.1016/j.exer.2006.08.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2006] [Revised: 07/19/2006] [Accepted: 08/03/2006] [Indexed: 11/18/2022]
Abstract
Apolipoprotein E (ApoE) alleles have been reported to affect the clinical outcome of numerous cardiovascular, neurodegenerative, and viral infectious diseases, including atherosclerosis, Alzheimer's disease (AD), hepatitis C, and HIV. The major alleles of ApoE are 2, 3, and 4. ApoE genotypes have been hypothesized to regulate many biological functions, resulting in significant changes in the onset and/or outcome (severity and duration) of several clinical conditions. Based on genetic analyses in human and animal studies using knockout (ApoE -/-) mice and mice transgenic for human 3 and 4, we present evidence that strongly suggests that the ApoE alleles can regulate the pathogenesis of ocular herpes simplex virus type 1 (HSV-1) infections. This review will summarize the major studies that support this hypothesis. Significant gender based differences in HSV-1 pathogenesis have also been reported, suggesting that hormonal regulation combined with ApoE genotype plays a significant role in HSV-1 pathogenesis. Identification of specific mechanisms in ocular HSV-1 infections related to the ApoE alleles and gender could lead to therapeutic intervention based on the properties of the apoE isoforms. While many clinical investigations have been reported and, to a lesser extent, transgenic mouse studies have been conducted, no specific mechanisms of how ApoE induces or alters clinical disease are known.
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Affiliation(s)
- James M Hill
- Department of Ophthalmology, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.
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34
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Abstract
It is known that sex hormones regulate IgA and IgG levels in the female reproductive tract. Moreover, antigen presentation by uterine and vaginal epithelial cells is also under strict hormonal control. The effect of the estrous cycle on cytokine secretion by vaginal and uterine lymphoid cells has been examined in mice using simultaneous staining for cytoplasmic cytokines and surface markers after ex vivo culture with PMA/ionomycin in the presence of Brefeldin A, and flow cytometry analysis. Two different mice strains, BALB/c and C57BL/6 mice, were used. The most relevant finding was the increase in the proportion of vaginal cells secreting IFN-gamma at diestrus in both strains of mice. Other cytokines (IL-2 and IL-4) as well as some T cell subsets seemed to be modified in a strain dependent fashion. Data also suggest that NK cells are at least partially responsible for IFN-gamma secretion. Our data indicate that vaginal and uterus lymphoid cells isolated at diestrus were in vivo activated to secrete cytokines after ex vivo culture. IFN-gamma seems to be the key cytokine, since it increases in both strains of mice.
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Affiliation(s)
- Maria C Lopez
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK.
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35
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Gupta S, Janani R, Bin Q, Luciw P, Greer C, Perri S, Legg H, Donnelly J, Barnett S, O'Hagan D, Polo JM, Vajdy M. Characterization of human immunodeficiency virus Gag-specific gamma interferon-expressing cells following protective mucosal immunization with alphavirus replicon particles. J Virol 2005; 79:7135-45. [PMID: 15890953 PMCID: PMC1112144 DOI: 10.1128/jvi.79.11.7135-7145.2005] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
A safe, replication-defective viral vector that can induce mucosal and systemic immune responses and confer protection against many infectious pathogens, such as human immunodeficiency virus type 1 (HIV-1), may be an ideal vaccine platform. Accordingly, we have generated and tested alphavirus replicon particles encoding HIV-1 Gag from Sindbis virus (SIN-Gag) and Venezuelan equine encephalitis virus (VEE-Gag), as well as chimeras between the two (VEE/SIN-Gag). Following intramuscular (i.m.), intranasal (i.n.), or intravaginal (IVAG) immunization with VEE/SIN-Gag and an IVAG challenge with vaccinia virus encoding HIV Gag (VV-Gag), a larger number of Gag-specific CD8+ intracellular gamma interferon-expressing cells (iIFNEC) were detected in iliac lymph nodes (ILN), which drain the vaginal/uterine mucosa (VUM), than were observed after immunizations with SIN-Gag. Moreover, a single i.n. or IVAG immunization with VEE/SIN-Gag induced a larger number of cells expressing HIV Gag in ILN, and immunizations with VEE/SIN-Gag through any route induced better protective responses than immunizations with SIN-Gag. In VUM, a larger percentage of iIFNEC expressed alpha4beta7 or alpha(Ebeta)7 integrin than expressed CD62L integrin. However, in spleens (SP), a larger percentage of iIFNEC expressed alpha4beta7 or CD62L than expressed alpha(Ebeta)7. Moreover, a larger percentage of iIFNEC expressed the chemokine receptor CCR5 in VUM and ILN than in SP. These results demonstrate a better induction of cellular and protective responses following immunizations with VEE/SIN-Gag than that following immunizations with SIN-Gag and also indicate a differential expression of homing and chemokine receptors on iIFNEC in mucosal effector and inductive sites versus systemic lymphoid tissues.
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Affiliation(s)
- Soumi Gupta
- Department of Pathology and Center for Comparative Medicine, University of California, Davis, USA
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36
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Gillgrass AE, Fernandez SA, Rosenthal KL, Kaushic C. Estradiol regulates susceptibility following primary exposure to genital herpes simplex virus type 2, while progesterone induces inflammation. J Virol 2005; 79:3107-16. [PMID: 15709030 PMCID: PMC548484 DOI: 10.1128/jvi.79.5.3107-3116.2005] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We report here that sex hormones modulate susceptibility to a sexually transmitted viral agent, herpes simplex virus type 2 (HSV-2), in a mouse model. Ovariectomized mice were administered either saline (control), estradiol (E(2)), progesterone (P(4)), or a combination of both estradiol and progesterone (E+P) and infected intravaginally with HSV-2. With an inoculation dose of 10(5) PFU, the saline- and P(4)-treated mice were found to be highly susceptible to genital HSV-2 infection. Both groups had extensive pathology and high viral titers in vaginal secretions, and 100% of mice succumbed by day 4 postinfection. E(2)-treated mice were protected from HSV-2 infection at the same dose and did not display any vaginal pathology or viral shedding. There was a slow progression of genital pathology in the combination hormone-treated group, along with prolonged viral shedding; 80% of animals succumbed by day 13. With lower inoculation doses of 10(3) and 10(2) PFU, 50 and 100%, respectively, of the combination hormone-treated mice survived. Localization of HSV-2 infection showed extensive infection in the vaginal epithelium of P(4)- and saline-treated animals within 24 h of inoculation. E(2)-treated animals were clear of infection, while the E+P-treated group had focal infection at 24 h that had progressed extensively by day 3. Infection was accompanied by persistent inflammation and infiltration of neutrophils in the P(4)-treated group. An analysis of the genes in the vaginal tissue showed that inflammation in the P(4)-treated group correlated with local induction of chemokines and chemokine receptors that were absent in the E(2)-treated mice and in uninfected P(4)-treated mice. The results show that sex hormones regulate initiation of infection and immune responses to genital HSV-2 infection.
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Affiliation(s)
- Amy E Gillgrass
- Department of Pathology, Center for Gene Therapeutics, MDCL 4014, McMaster University, 1200 Main St. West, Hamilton, Ontario, Canada
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37
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Schwartz J, Sartini D, Huber S. Myocarditis susceptibility in female mice depends upon ovarian cycle phase at infection. Virology 2005; 330:16-23. [PMID: 15527830 DOI: 10.1016/j.virol.2004.06.051] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2004] [Revised: 04/09/2004] [Accepted: 06/17/2004] [Indexed: 10/26/2022]
Abstract
Female BALB/c mice were infected with coxsackievirus B3 in the diestrus, proestrus, estrus, or metestrus phases of the ovarian cycle. Cycle stage was determined by vaginal smear. All mice were killed 7 days after infection. Females infected in the diestrus and especially the proestrus phases developed myocarditis. CD4+ T cells expressing interferon-gamma (IFNgamma) infiltrate the myocardium in these two phases, whereas CD4+ T cells expressing IL-4 are more frequent during estrus. Cardiac virus titers were determined 15 h and 7 days after infection. No differences in virus titer were seen at 7 days. These studies show that natural hormone variations can have substantial effects on viral pathogenicity presumably due to hormone effects on the immune system.
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Affiliation(s)
- J Schwartz
- Department of Pathology, University of Vermont, Burlington, VT 05405, USA
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38
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Hanniffy S, Wiedermann U, Repa A, Mercenier A, Daniel C, Fioramonti J, Tlaskolova H, Kozakova H, Israelsen H, Madsen S, Vrang A, Hols P, Delcour J, Bron P, Kleerebezem M, Wells J. Potential and opportunities for use of recombinant lactic acid bacteria in human health. ADVANCES IN APPLIED MICROBIOLOGY 2005; 56:1-64. [PMID: 15566975 DOI: 10.1016/s0065-2164(04)56001-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sean Hanniffy
- Institute of Food Research, Norwich Research Park, Colney, Norwich, NR4 7UA, United Kingdom
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39
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40
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Ronsse V, Verstegen J, Thiry E, Onclin K, Aeberlé C, Brunet S, Poulet H. Canine herpesvirus-1 (CHV-1): clinical, serological and virological patterns in breeding colonies. Theriogenology 2004; 64:61-74. [PMID: 15935843 DOI: 10.1016/j.theriogenology.2004.11.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2004] [Revised: 10/10/2004] [Accepted: 11/02/2004] [Indexed: 11/23/2022]
Abstract
Canine herpesvirus-1 (CHV-1) is presumed to be enzootic in the dog population and is associated with reproductive disorders and neonatal mortality. To advise dog breeders towards an effective management of CHV-1 infected colonies, 27 breeding bitches were studied during one reproductive cycle in field conditions: the effect of cycle stage, kennel size, initial antibody titre, mating and gestation on serologic and viral excretion patterns was evaluated, while the association between reproductive disorders and CHV-1 antibody titres and viral excretion was also analysed. All initially seronegative bitches seroconverted, while 40% of the initially seropositive bitches became seronegative at one or two occasions. No difference in antibody patterns was observed between mated and unmated bitches. Of the mated bitches, 46% experienced infertility, foetal resorption or mummification. No difference in antibody patterns was observed depending on the occurrence of reproductive disorders even if a decrease in antibody titres during early or late-di-oestrus was often present. Significantly higher titres were observed at all cycle stages in large kennels. None of the vaginal and nasal samples or buffy coats tested positive for CHV-1 DNA. The mixed image of clinical and sub-clinical carriage in this study demonstrated CHV-1 has a complex and difficult to predict clinical behavior. Preventive management with vaccination of reproducing bitches in kennels with reproductive disorders should therefore be advised.
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Affiliation(s)
- Veerle Ronsse
- Department of Clinical Sciences, Section Small Animal Reproduction, College of Veterinary Medicine, Université de Liège, Boulevard de Colonster 20, B44, 4000 Liège, Belgium.
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41
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Kwant A, Rosenthal KL. Intravaginal immunization with viral subunit protein plus CpG oligodeoxynucleotides induces protective immunity against HSV-2. Vaccine 2004; 22:3098-104. [PMID: 15297061 DOI: 10.1016/j.vaccine.2004.01.059] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2003] [Revised: 01/27/2004] [Accepted: 01/30/2004] [Indexed: 10/26/2022]
Abstract
Although the genital tract has been considered a poor inductive site for immunization with non-replicating antigens, genital immunization may be important for protection against sexually transmitted infections. Recently, we and others showed that CpG oligodeoxynucleotides (ODNs) serve as potent adjuvants for mucosal immunization. The purpose of this study was to determine whether intravaginal (IVAG) immunization with recombinant glycoprotein B (rgB) of herpes simplex virus type 2 (HSV-2) plus CpG ODN can induce specific immunity and protect against genital HSV-2 challenge. C57BL/6 mice were immunized IVAG with rgB plus CpG ODN, rgB plus non-CpG ODN, or rgB alone and challenged IVAG with HSV-2. Mice immunized with rgB + CpG had higher levels of anti-gB IgA and IgG in the vaginal washes and serum compared to mice immunized with rgB alone. Mice immunized with rgB + CpG also had the highest levels of gB-specific IgG in the nasal washes, however no specific IgA was detected in the nasal washes of any group. Mice immunized IVAG with rgB + CpG showed higher survival and lower pathology scores following genital HSV-2 challenge than mice immunized with rgB + non-CpG ODN or rgB alone. Additionally, vaginal viral titers were lower in the rgB + CpG group after infection. These results clearly show that the genital tract is capable of generating a protective immune response after local intravaginal immunization and that a non-replicating antigen is able to induce such a response when administered with an appropriate adjuvant.
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Affiliation(s)
- Amanda Kwant
- Department of Pathology and Molecular Medicine, Centre for Gene Therapeutics, McMaster University Health Sciences Centre, Rm 4H17, 1200 Main Street West, Hamilton, Ont., Canada L8N 3Z5
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42
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Linehan MM, Richman S, Krummenacher C, Eisenberg RJ, Cohen GH, Iwasaki A. In vivo role of nectin-1 in entry of herpes simplex virus type 1 (HSV-1) and HSV-2 through the vaginal mucosa. J Virol 2004; 78:2530-6. [PMID: 14963155 PMCID: PMC369262 DOI: 10.1128/jvi.78.5.2530-2536.2004] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Herpes simplex virus type 2 (HSV-2) is transmitted through the genital mucosa during sexual encounters. In recent years, HSV-1 has also become commonly associated with primary genital herpes. The mechanism of viral entry of HSV-1 and HSV-2 in the female genital tract is unknown. In order to understand the molecular interactions required for HSV entry into the vaginal epithelium, we examined the expression of herpesvirus entry mediator nectin-1 in the vagina of human and mouse at different stages of their hormonal cycle. Nectin-1 was highly expressed in the epithelium of human vagina throughout the menstrual cycle, whereas the mouse vaginal epithelium expressed nectin-1 only during the stages of the estrous cycle in which mice are susceptible to vaginal HSV infection. Furthermore, the ability of nectin-1 to mediate viral entry following intravaginal inoculation was examined in a mouse model of genital herpes. Vaginal infection with either HSV-1 or HSV-2 was blocked by preincubation of the virus with soluble recombinant nectin-1. Viral entry through the vaginal mucosa was also inhibited by preincubation of HSV-2 with antibody against gD. Together, these results suggest the importance of nectin-1 in mediating viral entry for both HSV-1 and HSV-2 in the genital mucosa in female hosts.
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Affiliation(s)
- Melissa M Linehan
- Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, Connecticut 06520, USA
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43
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Iwasaki A. The role of dendritic cells in immune responses against vaginal infection by herpes simplex virus type 2. Microbes Infect 2004; 5:1221-30. [PMID: 14623018 DOI: 10.1016/j.micinf.2003.09.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Herpes simplex virus type 2 is a leading cause of genital ulcers that affects more women than men worldwide. Recent evidence indicates that protective immunity can be generated by specialized dendritic cells in the female genital mucosa. This article aims to provide an overview of the effector immunity required for protection from genital herpes, and to discuss the mechanism by which specific subsets of dendritic cells mediate induction of adaptive immunity following genital infection with herpes simplex virus type 2 in vivo.
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Affiliation(s)
- Akiko Iwasaki
- Department of Epidemiology and Public Health and Immunobiology, Yale University School of Medicine, 60 College Street, LEPH 716, New Haven, CT 06510, USA.
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44
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Toka FN, Gierynska M, Rouse BT. Codelivery of CCR7 ligands as molecular adjuvants enhances the protective immune response against herpes simplex virus type 1. J Virol 2004; 77:12742-52. [PMID: 14610196 PMCID: PMC262576 DOI: 10.1128/jvi.77.23.12742-12752.2003] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Humoral and cellular immunity, associated with long-term protective immunological memory, defines the efficacy of a given vaccine formulation. However, few vaccines achieve this target without the aid of a suitable adjuvant. Molecular adjuvants in vaccination against infectious agents offer a noninvasive means of enhancing the immune response against target antigens. To examine the potency of two beta-chemokines as immunomodulators, plasmid DNA encoding beta-chemokines CCL19 and CCL21 (CCR7L) was codelivered intranasally with plasmid DNA or recombinant vaccinia virus encoding herpes simplex virus (HSV) gB (HSV-gB) in a prime-and-boost vaccination strategy. This vaccination regimen increased serum and vaginal immunoglobulin G (IgG) and IgA, respectively, as well as the numbers of HSV-gB(498-505) peptide-specific gamma interferon-producing CD8(+) T cells. Distinctively, a high number of cytotoxic T lymphocytes was achieved when pCCR7L was applied at both prime and boost as opposed to omission of pCCR7L. A rapid-recall response was induced in the genital tract upon challenge with the HSV McKrae strain, affording a high level of protection and survival of vaccinated mice. Our results demonstrate that high innate immune kinetics and distribution of adaptive response induced in the nasal mucosa appears to be key factors in generating protective memory responses against HSV. Thus CCR7L expressed ectopically may serve as a molecular adjuvant to boost the immune response to a codelivered antigen in mucosal surfaces.
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Affiliation(s)
- Felix N Toka
- Department of Microbiology, University of Tennessee, Knoxville, Tennessee 37996, USA
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Milligan GN, Dudley-McClain KL, Chu CF, Young CG. Efficacy of genital T cell responses to herpes simplex virus type 2 resulting from immunization of the nasal mucosa. Virology 2004; 318:507-15. [PMID: 14972519 DOI: 10.1016/j.virol.2003.10.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2003] [Revised: 09/26/2003] [Accepted: 10/09/2003] [Indexed: 11/18/2022]
Abstract
Intravaginal (ivag) or intranasal (i.n.) immunization of C57BL/6J (B6) mice with a thymidine kinase-deficient strain (tk-) of herpes simplex virus type 2 (HSV-2) resulted in comparable protection of the genital epithelium and sensory ganglia against HSV-2 challenge. In contrast, protection of these sites was much reduced in i.n.-immunized compared to ivag-immunized B cell-deficient microMT mice. Fewer HSV-specific T cells were detected in the genital epithelium of i.n.-immunized compared to ivag-immunized microMT mice after HSV-2 challenge. Passive transfer of HSV-specific serum to immune microMT mice restored protection of these sites against HSV-2 challenge. These results suggest that protection of genital and neuronal sites may be conferred by i.n. immunization but may be more dependent on antibody-dependent mechanisms than the protection resulting from genital immunization. These results have implications for immunization strategies to elicit high levels of cell-mediated protection of the genital tract and sensory ganglia.
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MESH Headings
- Administration, Intranasal
- Administration, Intravaginal
- Animals
- Antibodies, Viral/administration & dosage
- Cell Count
- Epithelium/immunology
- Epithelium/virology
- Female
- Ganglia, Sensory/virology
- Genitalia, Female/immunology
- Genitalia, Female/virology
- Herpes Genitalis/immunology
- Herpes Genitalis/prevention & control
- Herpes Genitalis/virology
- Herpesvirus 2, Human/enzymology
- Herpesvirus 2, Human/immunology
- Immunization, Passive
- Immunoglobulin mu-Chains/genetics
- Mice
- Mice, Inbred C57BL
- Mice, Mutant Strains
- Species Specificity
- T-Lymphocytes/immunology
- Thymidine Kinase/deficiency
- Vaccination
- Viral Vaccines/administration & dosage
- Viral Vaccines/immunology
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Affiliation(s)
- Gregg N Milligan
- Sealy Center for Vaccine Development, University of Texas Medical Branch-Galveston, TX 77555-0436, USA.
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Gillgrass AE, Ashkar AA, Rosenthal KL, Kaushic C. Prolonged exposure to progesterone prevents induction of protective mucosal responses following intravaginal immunization with attenuated herpes simplex virus type 2. J Virol 2003; 77:9845-51. [PMID: 12941893 PMCID: PMC224606 DOI: 10.1128/jvi.77.18.9845-9851.2003] [Citation(s) in RCA: 99] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Depo-Provera (Depo) is a long-acting progestational formulation that is a popular form of contraception for women. In animal models of sexually transmitted diseases, it is used to facilitate infection. Here we report that treatment with Depo, in a mouse model of genital herpes simplex virus type 2 (HSV-2), altered immune responses depending on the length of time that animals were exposed to Depo prior to immunization. Mice immunized intravaginally (i.vag.) with an attenuated strain (TK(-)) of HSV-2 following longer (15 days) exposure to Depo (Depo 15 group) failed to show protection when challenged with wild-type HSV-2. In contrast, mice that were immunized shortly after Depo treatment (5 days; Depo 5 group) were fully protected and showed no genital pathology after HSV-2 challenge. High viral titers were detected in the vaginal washes of the Depo 15 group up to 6 days postchallenge. In contrast, no viral shedding was observed beyond day 3 postchallenge in the Depo 5 group. Following i.vag. TK(-) immunization, high levels of gamma interferon (IFN-gamma) were detected locally in vaginal washes of the Depo 5 group but not the Depo 15 group. After HSV-2 challenge, an early peak of IFN-gamma in the Depo 5 group coincided with clearance of the virus. In Depo 15 animals IFN-gamma was present throughout the 6 days postinfection. HSV-2-specific T-cell cytokine responses measured in the lymph node cells of Depo 5 TK(-)-immunized mice indicated a significantly higher Th1 response than that of Depo 15 TK(-)-immunized mice. The protection after HSV-2 challenge in the Depo 5 group correlated with increased local HSV-2 glycoprotein B (gB)-specific immunoglobulin G (IgG) and IgA responses seen in the vaginal secretions. The Depo 15 group had poor gB-specific antibody responses in the genital tract after HSV-2 challenge. These results indicate that longer exposure to Depo leads to poor innate and adaptive immune responses to HSV-2 that fail to protect mice from subsequent genital challenges.
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Affiliation(s)
- Amy E Gillgrass
- Center of Gene Therapeutics, Department of Pathology and Molecular Medicine, McMaster University Health Sciences Center 4H30F, 1200 Main Street West, Hamilton, Ontario, Canada L8P 3Z5
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Beagley KW, Gockel CM. Regulation of innate and adaptive immunity by the female sex hormones oestradiol and progesterone. FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY 2003; 38:13-22. [PMID: 12900050 DOI: 10.1016/s0928-8244(03)00202-5] [Citation(s) in RCA: 291] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Women mount more vigorous antibody- and cell-mediated immune responses following either infection or vaccination than men. The incidence of most autoimmune diseases is also higher in women than in men; however, during pregnancy many autoimmune diseases go into remission, only to flare again in the early post-partum period. Successful pregnancy requires that the female immune system tolerate the presence of a semi-allogeneic graft for 9 months. Oral contraceptive use can increase susceptibility to certain genital tract infections and sexually transmitted diseases in women. Moreover, treatment of mice and rats with female sex hormones is required to establish animal models of genital tract Chlamydia, Neisseria and Mycoplasma infection. This review describes what is currently known about the effects of the female sex hormones oestradiol and progesterone on innate and adaptive immune responses in order to provide a framework for understanding these sex differences. Data from both human and animal studies will be reviewed.
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Affiliation(s)
- Kenneth W Beagley
- School of Biomedical Sciences, The University of Newcastle, Royal Newcastle Hospital, Newcastle, NSW 2300, Australia.
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Gu W, Holland M, Janssens P, Kerr P. Antibody response in the female rabbit reproductive tract to influenza haemagglutinin encoded by a recombinant myxoma virus. Virology 2003; 313:286-95. [PMID: 12951040 DOI: 10.1016/s0042-6822(03)00324-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The antibody response in serum and the reproductive tract of female rabbits to a model antigen, influenza virus haemagglutinin (HA), encoded by a recombinant myxoma virus was investigated. Strong and lasting IgG antibody responses to HA were induced in serum following intradermal, intranasal, and intravaginal immunisations. HA IgG was also detected in reproductive tract fluids but was only about 1% the titer of that in serum. HA IgA was not detected in serum of any infected groups and was occasionally detected in reproductive tract fluids at a low titer only after infections through mucosal sites. HA IgM was also detected only in some of the reproductive tract fluids at very low levels. Induction of ovulation did not change these patterns and B cell homing to the reproductive tract was not profound. In contrast, HA IgG and IgM titers in ovarian follicular fluids were comparable to that in serum. These data suggest that if this virus is used to deliver an immunocontraceptive vaccine that requires a high-level antibody response, the target antigen needs to be accessible to serum antibody or in the ovary.
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MESH Headings
- Animals
- Antibodies, Viral/analysis
- Antibodies, Viral/biosynthesis
- Antibodies, Viral/blood
- Contraception, Immunologic
- Female
- Follicular Fluid/immunology
- Genetic Vectors
- Genitalia, Female/immunology
- Hemagglutinin Glycoproteins, Influenza Virus/biosynthesis
- Hemagglutinin Glycoproteins, Influenza Virus/genetics
- Hemagglutinin Glycoproteins, Influenza Virus/immunology
- Immunity, Mucosal
- Immunization
- Immunoglobulin A, Secretory/analysis
- Immunoglobulin G/blood
- Immunoglobulin M/analysis
- Models, Animal
- Myxoma virus/genetics
- Myxoma virus/metabolism
- Orthomyxoviridae/immunology
- Ovulation
- Rabbits
- Recombinant Proteins/immunology
- Vaccines, Synthetic/administration & dosage
- Vaccines, Synthetic/immunology
- Viral Vaccines/administration & dosage
- Viral Vaccines/immunology
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Affiliation(s)
- Wenyi Gu
- Division of Biochemistry and Molecular Biology, the School of Life Science, The Australian National University, Canberra, Australia.
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Mouihate A, Pittman QJ. Neuroimmune response to endogenous and exogenous pyrogens is differently modulated by sex steroids. Endocrinology 2003; 144:2454-60. [PMID: 12746307 DOI: 10.1210/en.2002-0093] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The objective of this study was to explore whether and how ovarian hormones interact with the febrile response to pyrogens. Estrogen and progesterone treatment of ovariectomized rats was associated with a reduction in lipopolysaccharide (LPS)-induced fever, compared with ovariectomized controls. LPS-fever reduction was accompanied by reduced levels of the inducible cyclooxygenase-2 (COX-2) protein expression in the hypothalamus as well as reduced plasma levels of IL-1beta. The amount of LPS-induced IL-6 in the plasma was not affected by ovarian hormone replacement. In contrast, hypothalamic COX-2 expression in response to intraperitoneal injection of IL-1beta was potentiated by the ovarian hormone replacement. IL-1beta induced a moderate increase in plasma levels of IL-6 that was suppressed by ovarian hormone replacement. These data suggest that ovarian hormone replacement attenuated the proinflammatory response to LPS by suppressing the LPS-induced IL-1beta production and COX-2 expression in the hypothalamus. The markedly different action of ovarian hormones on IL-1beta and LPS effects suggests that this sex hormone modulation of the immune response is a function of the nature of infection and provides further evidence that LPS actions are different from those of IL-1beta.
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Affiliation(s)
- A Mouihate
- Neuroscience Research Group, Department of Physiology and Biophysics, Faculty of Medicine, University of Calgary, Alberta, Canada T2N 4N1.
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Albu DI, Jones-Trower A, Woron AM, Stellrecht K, Broder CC, Metzger DW. Intranasal vaccination using interleukin-12 and cholera toxin subunit B as adjuvants to enhance mucosal and systemic immunity to human immunodeficiency virus type 1 glycoproteins. J Virol 2003; 77:5589-97. [PMID: 12719551 PMCID: PMC154022 DOI: 10.1128/jvi.77.10.5589-5597.2003] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We have investigated the induction of protective mucosal immunity to human immunodeficiency virus type 1 (HIV-1) isolate 89.6 by intranasal (i.n.) immunization of mice with gp120 and gp140 together with interleukin-12 (IL-12) and cholera toxin subunit B (CTB) as adjuvants. It was found that both IL-12 and CTB were required to elicit mucosal antibody responses and that i.n. immunization resulted in increased total, immunoglobulin G1 (IgG1), and IgG2a anti-HIV-1 antibody levels in serum; increased total, IgG1, IgG2a, and IgA antibody expression in bronchoalveolar lavage fluids; and increased IgA antibody levels in vaginal washes. Levels of anti-HIV-1 antibodies in both sera and secretions were higher in groups immunized with gp140 than in those immunized with gp120. However, only gp120-specific mucosal antibodies demonstrated neutralizing activity against HIV-1 89.6. Taken together, the results show that IL-12 and CTB act synergistically to enhance both systemic and local mucosal antibody responses to HIV-1 glycoproteins and that even though gp140 induces higher antibody titers than gp120, only gp120-specific mucosal antibodies interfere with virus infectivity.
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Affiliation(s)
- Diana I Albu
- Center for Immunology and Microbial Disease, Albany Medical College, Albany, New York 12208, USA
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