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Chen L, Xu T, Lou J, Zhang T, Wu S, Xie R, Xu J. The beneficial roles and mechanisms of estrogens in immune health and infection disease. Steroids 2024; 207:109426. [PMID: 38685461 DOI: 10.1016/j.steroids.2024.109426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 02/28/2024] [Accepted: 04/21/2024] [Indexed: 05/02/2024]
Abstract
Multiple epidemiologic studies have revealed that gender is considered one of the important factors in the frequency and severity of certain infectious diseases, in which estrogens may play a vital role. There is growing evidence that estrogens as female sex hormone can modulate multiple biological functions outside of the reproductive system, such as in brain and cardiovascular system. However, it is largely unknown about the roles and mechanisms of estrogens/estrogen receptors in immune health and infection disease. Thence, by reading a lot of literature, we summarized the regulatory mechanisms of estrogens/estrogen receptors in immune cells and their roles in certain infectious diseases with gender differences. Therefore, estrogens may have therapeutic potentials to prevent and treat these infectious diseases, which needs further clinical investigation.
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Affiliation(s)
- Lan Chen
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Ting Xu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jun Lou
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Ting Zhang
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Sheng Wu
- Department of Gastroenterology, Liupanshui People's Hospital, Liupanshui City 553000, Guizhou Province, China
| | - Rui Xie
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
| | - Jingyu Xu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
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2
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Saleh QW, Mohammadnejad A, Tepel M. FOXP3 splice variant expression in males and females in healthy populations and in kidney transplant recipients. Sci Rep 2024; 14:12112. [PMID: 38802392 PMCID: PMC11130272 DOI: 10.1038/s41598-024-62149-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 05/14/2024] [Indexed: 05/29/2024] Open
Abstract
The forkhead box P3 (FOXP3) transcript is essential for tolerance of alloantigens. Here, we describe the expression of FOXP3 mRNA variants in healthy females and males, and in kidney transplant recipients (KTR). We measured FOXP3 in peripheral blood mononuclear cells from healthy kidney donors (N = 101), and in blood from KTRs (N = 248) before and after transplantation. FOXP3 was measured with quantitative polymerase chain reaction, and differentiated between pre-mature mRNA FOXP3, Total mature FOXP3, FOXP3 in which exon two is spliced, and full length FOXP3. We found similar levels of FOXP3 in healthy female and male kidney donors. We confirmed this result in a publicly available cohort (N = 33) of healthy individuals (GSE97475). Homogenously, female and male KTR FOXP3 levels were similar pre-transplantation, one day post-transplantation and 29 days post-transplantation. This may suggest that kidney transplantation and related immunosuppressive treatments do not influence FOXP3 expression differently in females and males. Finally, fold difference analysis revealed that KTRs express lower levels of mature FOXP3 and higher levels of pre-mature FOXP3 mRNA pre-transplant compared to healthy individuals. This finding may suggest higher pre-mRNA synthesis, lower pre-mRNA degradation, lower spliceosome efficiency or higher degradation of mature FOXP3 mRNA in kidney transplant candidates.
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Affiliation(s)
- Qais W Saleh
- Department of Nephrology, Odense University Hospital, J. B. Winsløws Vej 4, 5000, Odense, Denmark
- Cardiovascular and Renal Research, Department of Molecular Medicine, University of Southern Denmark, J.B. Winsløws Vej 21.3, 5000, Odense C, Denmark
| | - Afsaneh Mohammadnejad
- Epidemiology, Biostatistics and Biodemography, Department of Public Health, University of Southern Denmark, J.B. Winsløws Vej 9 B, 5000, Odense C, Denmark
| | - Martin Tepel
- Department of Nephrology, Odense University Hospital, J. B. Winsløws Vej 4, 5000, Odense, Denmark.
- Cardiovascular and Renal Research, Department of Molecular Medicine, University of Southern Denmark, J.B. Winsløws Vej 21.3, 5000, Odense C, Denmark.
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3
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Midavaine É, Moraes BC, Benitez J, Rodriguez SR, Braz JM, Kochhar NP, Eckalbar WL, Domingos AI, Pintar JE, Basbaum AI, Kashem SW. Regulatory T cell-derived enkephalin imparts pregnancy-induced analgesia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.11.593442. [PMID: 38798460 PMCID: PMC11118376 DOI: 10.1101/2024.05.11.593442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
T cells have emerged as sex-dependent orchestrators of pain chronification but the sexually dimorphic mechanisms by which T cells control pain sensitivity is not resolved. Here, we demonstrate an influence of regulatory T cells (Tregs) on pain processing that is distinct from their canonical functions of immune regulation and tissue repair. Specifically, meningeal Tregs (mTregs) express the endogenous opioid, enkephalin, and mTreg-derived enkephalin exerts an antinociceptive action through a presynaptic opioid receptor signaling mechanism that is dispensable for immunosuppression. mTregs are both necessary and sufficient for suppressing mechanical pain sensitivity in female but not male mice. Notably, the mTreg modulation of pain thresholds depends on sex-hormones and expansion of enkephalinergic mTregs during gestation imparts a remarkable pregnancy-induced analgesia in a pre-existing, chronic, unremitting neuropathic pain model. These results uncover a fundamental sex-specific, pregnancy-pronounced, and immunologically-derived endogenous opioid circuit for nociceptive regulation with critical implications for pain biology and maternal health.
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Affiliation(s)
- Élora Midavaine
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Beatriz C. Moraes
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Jorge Benitez
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Sian R. Rodriguez
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Joao M. Braz
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Nathan P. Kochhar
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Walter L. Eckalbar
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Ana I. Domingos
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - John E. Pintar
- Department of Neuroscience and Cell Biology, Rutgers Robert Wood Johnson Medical School, Piscataway, NJ, USA
| | - Allan I. Basbaum
- Department of Anatomy, University of California San Francisco, San Francisco, California, USA
| | - Sakeen W. Kashem
- Department of Dermatology, University of California San Francisco, San Francisco, CA, USA
- Dermatology, Veterans Affairs Medical Center, San Francisco, California, USA
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4
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Li M, Han X, Sun L, Liu X, Zhang W, Hao J. Indole-3-acetic acid alleviates DSS-induced colitis by promoting the production of R-equol from Bifidobacterium pseudolongum. Gut Microbes 2024; 16:2329147. [PMID: 38528729 PMCID: PMC10968315 DOI: 10.1080/19490976.2024.2329147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 03/07/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is characterized by immune-mediated, chronic inflammation of the intestinal tract. The occurrence of IBD is driven by the complex interactions of multiple factors. The objective of this study was to evaluate the therapeutic effects of IAA in colitis. METHOD C57/BL6 mice were administered 2.5% DSS in drinking water to induce colitis. IAA, Bifidobacterium pseudolongum, and R-equol were administered by oral gavage and fed a regular diet. The Disease Activity Index was used to evaluate disease activity. The degree of colitis was evaluated using histological morphology, RNA, and inflammation marker proteins. CD45+ CD4+ FOXP3+ Treg and CD45+ CD4+ IL17A+ Th17 cells were detected by flow cytometry. Analysis of the gut microbiome in fecal content was performed using 16S rRNA gene sequencing. Gut microbiome metabolites were analyzed using Untargeted Metabolomics. RESULT In our study, we found IAA alleviates DSS-induced colitis in mice by altering the gut microbiome. The abundance of Bifidobacterium pseudolongum significantly increased in the IAA treatment group. Bifidobacterium pseudolongum ATCC25526 alleviates DSS-induced colitis by increasing the ratio of Foxp3+T cells in colon tissue. R-equol alleviates DSS-induced colitis by increasing Foxp3+T cells, which may be the mechanism by which ATCC25526 alleviates DSS-induced colitis in mice. CONCLUSION Our study demonstrates that IAA, an indole derivative, alleviates DSS-induced colitis by promoting the production of Equol from Bifidobacterium pseudolongum, which provides new insights into gut homeostasis regulated by indole metabolites other than the classic AHR pathway.
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Affiliation(s)
- Miaomiao Li
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xue Han
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Lijun Sun
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Xinjuan Liu
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Weizhen Zhang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Jianyu Hao
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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Hoffmann JP, Liu JA, Seddu K, Klein SL. Sex hormone signaling and regulation of immune function. Immunity 2023; 56:2472-2491. [PMID: 37967530 DOI: 10.1016/j.immuni.2023.10.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/25/2023] [Accepted: 10/14/2023] [Indexed: 11/17/2023]
Abstract
Immune responses to antigens, including innocuous, self, tumor, microbial, and vaccine antigens, differ between males and females. The quest to uncover the mechanisms for biological sex differences in the immune system has intensified, with considerable literature pointing toward sex hormonal influences on immune cell function. Sex steroids, including estrogens, androgens, and progestins, have profound effects on immune function. As such, drastic changes in sex steroid concentrations that occur with aging (e.g., after puberty or during the menopause transition) or pregnancy impact immune responses and the pathogenesis of immune-related diseases. The effect of sex steroids on immunity involves both the concentration of the ligand and the density and distribution of genomic and nongenomic receptors that serve as transcriptional regulators of immune cellular responses to affect autoimmunity, allergy, infectious diseases, cancers, and responses to vaccines. The next frontier will be harnessing these effects of sex steroids to improve therapeutic outcomes.
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Affiliation(s)
- Joseph P Hoffmann
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Jennifer A Liu
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Kumba Seddu
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Sabra L Klein
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA; Department of Biochemistry and Molecular Biology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA; Department of Medicine, Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA.
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6
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Pacheco JHL, Elizondo G. Interplay between Estrogen, Kynurenine, and AHR Pathways: An immunosuppressive axis with therapeutic potential for breast cancer treatment. Biochem Pharmacol 2023; 217:115804. [PMID: 37716620 DOI: 10.1016/j.bcp.2023.115804] [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: 06/09/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/18/2023]
Abstract
Breast cancer is one of the most common malignancies among women worldwide. Estrogen exposure via endogenous and exogenous sources during a lifetime, together with environmental exposure to estrogenic compounds, represent the most significant risk factor for breast cancer development. As breast tumors establish, multiple pathways are deregulated. Among them is the aryl hydrocarbon receptor (AHR) signaling pathway. AHR, a ligand-activated transcription factor associated with the metabolism of polycyclic aromatic hydrocarbons and estrogens, is overexpressed in breast cancer. Furthermore, AHR and estrogen receptor (ER) cross-talk pathways have been observed. Additionally, the Tryptophan (Trp) catabolizing enzymes indolamine-2,3-dioxygenase (IDO) and tryptophan-2,3-dioxygenase (TDO) are overexpressed in breast cancer. IDO/TDO catalyzes the formation of Kynurenine (KYN) and other tryptophan-derived metabolites, which are ligands of AHR. Once KYN activates AHR, it stimulates the expression of the IDO enzyme, increases the level of KYN, and activates non-canonical pathways to control inflammation and immunosuppression in breast tumors. The interplay between E2, AHR, and IDO/TDO/KYN pathways and their impact on the immune system represents an immunosuppressive axis on breast cancer. The potential modulation of the immunosuppressive E2-AHR-IDO/TDO/KYN axis has aroused great expectations in oncotherapy. The present article will review the mechanisms implicated in generating the immunosuppressive axis E2-AHR-IDO/TDO/KYN in breast cancer and the current state of knowledge as a potential therapeutic target.
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Affiliation(s)
| | - Guillermo Elizondo
- Departamento de Biología Celular, CINVESTAV-IPN, Av. IPN 2508, C.P. 07360 Ciudad de México, México.
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Varisli L, Dancik GM, Tolan V, Vlahopoulos S. Critical Roles of SRC-3 in the Development and Progression of Breast Cancer, Rendering It a Prospective Clinical Target. Cancers (Basel) 2023; 15:5242. [PMID: 37958417 PMCID: PMC10648290 DOI: 10.3390/cancers15215242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
Breast cancer (BCa) is the most frequently diagnosed malignant tumor in women and is also one of the leading causes of cancer-related death. Most breast tumors are hormone-dependent and estrogen signaling plays a critical role in promoting the survival and malignant behaviors of these cells. Estrogen signaling involves ligand-activated cytoplasmic estrogen receptors that translocate to the nucleus with various co-regulators, such as steroid receptor co-activator (SRC) family members, and bind to the promoters of target genes and regulate their expression. SRC-3 is a member of this family that interacts with, and enhances, the transcriptional activity of the ligand activated estrogen receptor. Although SRC-3 has important roles in normal homeostasis and developmental processes, it has been shown to be amplified and overexpressed in breast cancer and to promote malignancy. The malignancy-promoting potential of SRC-3 is diverse and involves both promoting malignant behavior of tumor cells and creating a tumor microenvironment that has an immunosuppressive phenotype. SRC-3 also inhibits the recruitment of tumor-infiltrating lymphocytes with effector function and promotes stemness. Furthermore, SRC-3 is also involved in the development of resistance to hormone therapy and immunotherapy during breast cancer treatment. The versatility of SRC-3 in promoting breast cancer malignancy in this way makes it a good target, and methodical targeting of SRC-3 probably will be important for the success of breast cancer treatment.
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Affiliation(s)
- Lokman Varisli
- Department of Molecular Biology and Genetics, Science Faculty, Dicle University, Diyarbakir 21280, Turkey;
| | - Garrett M. Dancik
- Department of Computer Science, Eastern Connecticut State University, Willimantic, CT 06226, USA;
| | - Veysel Tolan
- Department of Molecular Biology and Genetics, Science Faculty, Dicle University, Diyarbakir 21280, Turkey;
| | - Spiros Vlahopoulos
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, Goudi, 11527 Athens, Greece
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Fukui R, Watanabe T, Morimoto K, Fujimoto Y, Nagahashi M, Ishikawa E, Hirota S, Miyoshi Y. An increase in tumor-infiltrating lymphocytes after treatment is significantly associated with a poor response to neoadjuvant endocrine therapy for estrogen receptor-positive/HER2-negative breast cancers. Breast Cancer 2023; 30:703-713. [PMID: 37115435 PMCID: PMC10404203 DOI: 10.1007/s12282-023-01462-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023]
Abstract
BACKGROUND The reason for the poor prognosis of estrogen receptor (ER) + /human epidermal growth factor receptor 2 (HER2)- breast cancer patients with high levels of tumor-infiltrating lymphocytes (TILs) is poorly understood. The association between TILs and response to neoadjuvant endocrine therapy (NET) was examined. METHODS We recruited 170 patients with ER + /HER2- breast cancer who were treated with preoperative endocrine monotherapy. TILs were evaluated before and after NET, and their changes were noted. Furthermore, T cell subtypes were examined using CD8 and FOXP3 immunohistochemical analyses. Neutrophil and lymphocyte counts in the peripheral blood were analyzed with reference to TIL levels or changes. Responders were defined as Ki67 expression levels ≤ 2.7% after treatment. RESULTS Post-treatment (p = 0.016), but not pre-treatment (p = 0.464), TIL levels were significantly associated with the response to NET. TIL levels increased significantly after treatment among non-responders (p = 0.001). FOXP3 + T cell counts increased significantly after treatment in patients with increased TILs (p = 0.035), but not in those without increased TILs (p = 0.281). Neutrophil counts decreased significantly after treatment in patients without increased TILs (p = 0.026), but not in patients with increased TILs (p = 0.312). CONCLUSION An increase in TILs after NET was significantly associated with a poor response to NET. Given that FOXP3 + T-cell counts increased, and neutrophil counts did not decrease in patients with increased TILs after NET, the induction of an immunosuppressive microenvironment was speculated to play a role in the inferior efficacy. These data might partially indicate the involvement of the immune response in the efficacy of endocrine therapy.
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Affiliation(s)
- Reiko Fukui
- Department of Surgery, Division of Breast and Endocrine Surgery, School of Medicine, Hyogo Medical University, Mukogawa-Cho 1-1, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Takahiro Watanabe
- Department of Clinical Pathology, Chibune General Hospital, Osaka, Japan
| | - Koji Morimoto
- Department of Nutrition, College of Nutrition, Koshien University, Takarazuka, Hyogo, Japan
| | - Yukie Fujimoto
- Department of Surgery, Division of Breast and Endocrine Surgery, School of Medicine, Hyogo Medical University, Mukogawa-Cho 1-1, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Masayuki Nagahashi
- Department of Surgery, Division of Breast and Endocrine Surgery, School of Medicine, Hyogo Medical University, Mukogawa-Cho 1-1, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Eri Ishikawa
- Department of Surgical Pathology, School of Medicine, Hyogo Medical University, Nishinomiya, Hyogo, Japan
| | - Seiichi Hirota
- Department of Surgical Pathology, School of Medicine, Hyogo Medical University, Nishinomiya, Hyogo, Japan
| | - Yasuo Miyoshi
- Department of Surgery, Division of Breast and Endocrine Surgery, School of Medicine, Hyogo Medical University, Mukogawa-Cho 1-1, Nishinomiya City, Hyogo, 663-8501, Japan.
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Lizcano-Meneses S, Hernández-Pando R, García-Aguirre I, Bonilla-Delgado J, Alvarado-Castro VM, Cisneros B, Gariglio P, Cortés-Malagón EM. Combined Inhibition of Indolamine-2,3-Dioxygenase 1 and C-X-C Chemokine Receptor Type 2 Exerts Antitumor Effects in a Preclinical Model of Cervical Cancer. Biomedicines 2023; 11:2280. [PMID: 37626777 PMCID: PMC10452145 DOI: 10.3390/biomedicines11082280] [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: 07/19/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Cervical cancer is a public health problem diagnosed in advanced stages, and its main risk factor is persistent high-risk human papillomavirus infection. Today, it is necessary to study new treatment strategies, such as immunotherapy, that use different targets of the tumor microenvironment. In this study, the K14E7E2 mouse was used as a cervical cancer model to evaluate the inhibition of indolamine-2,3-dioxygenase 1 (IDO-1) and C-X-C chemokine receptor type 2 (CXCR-2) as potential anti-tumor targets. DL-1MT and SB225002 were administered for 30 days in two regimens (R1 and R2) based on combination and single therapy approaches to inhibit IDO-1 and CXCR-2, respectively. Subsequently, the reproductive tracts were resected and analyzed to determine the tumor areas, and IHCs were performed to assess proliferation, apoptosis, and CD8 cellular infiltration. Our results revealed that combined inhibition of IDO-1 and CXCR-2 significantly reduces the areas of cervical tumors (from 196.0 mm2 to 58.24 mm2 in R1 and 149.6 mm2 to 52.65 mm2 in R2), accompanied by regions of moderate dysplasia, decreased papillae, and reduced inflammation. Furthermore, the proliferation diminished, and apoptosis and intra-tumoral CD8 T cells increased. In conclusion, the combined inhibition of IDO-1 and CXCR-2 is helpful in the antitumor response against preclinical cervical cancer.
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Affiliation(s)
- Solangy Lizcano-Meneses
- Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.L.-M.)
| | - Rogelio Hernández-Pando
- Department of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Mexico City 14080, Mexico
| | - Ian García-Aguirre
- Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Instituto Tecnologico y de Estudios Superiores de Monterrey, Ciudad de México, Mexico City 14380, Mexico
| | - José Bonilla-Delgado
- Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Instituto Tecnologico y de Estudios Superiores de Monterrey, Toluca 50110, Mexico
- Research Unit, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico
| | | | - Bulmaro Cisneros
- Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.L.-M.)
| | - Patricio Gariglio
- Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.L.-M.)
| | - Enoc Mariano Cortés-Malagón
- Research Division, Hospital Juárez de México, Mexico City 07760, Mexico
- Genetics Laboratory, Hospital Nacional Homeopático, Mexico City 06800, Mexico
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Padmanabhan RA, Johnson BS, Dhyani AK, Pillai SM, Jayakrishnan K, Laloraya M. Autoimmune regulator (AIRE): Takes a hypoxia-inducing factor 1A (HIF1A) route to regulate FOXP3 expression in PCOS. Am J Reprod Immunol 2023; 89:e13637. [PMID: 36305192 DOI: 10.1111/aji.13637] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 09/05/2022] [Accepted: 10/03/2022] [Indexed: 02/03/2023] Open
Abstract
PROBLEM Autoimmune polyendocrinopathy-candidiasis- ectodermal dystrophy (APECED) pathology due to autoimmune regulator (AIRE) gene mutations leads to loss of central tolerance triggering immune attack, a factor causing infertility. One of the targets of autoimmune attack is ovary and its repercussion results in polycystic ovarian syndrome (PCOS). Although reduced Tregs have been reported in PCOS, a lacunae exists on the status of AIRE gene expression and its role in treg insufficiency via HIF1A-FOXP3 axis in PCOS. METHOD OF STUDY This is a case-control cohort study recruiting 40 normal and 40 PCOS volunteers for peripheral blood sample collection and PCOS diagnoses were based on Rotterdam Consensus criteria. AIRE and HIF1A expression status was analysed by qRT PCR and western blot. FACS analyses was conducted on AIRE silenced peripheral blood mononuclear cells (PBMCs) after Treg induction. RESULTS Our results indicate a reduced AIRE (fold change log2 (RQ) = -2.6, P < .01) and increased HIF1A (fold change log2 (RQ) = 3.6, P < .02) in PBMCs of PCOS subjects compared to age-matched controls. Western blot of AIRE and HIF1A corroborates with qRT PCR data. Our CHIP data demonstrate AIRE mediated HIF1A promoter regulation. Silencing of AIRE in PBMCs contributes to the upregulation of HIF1A transcripts by two-fold (P < .0015) and downregulation in FOXP3 expression by three-fold (P < .0017). FACS analyses revealed that silencing of AIRE reduces Tcell to Treg conversion. CONCLUSIONS Our consolidated results derive a new connection among AIRE-HIF1A-FOXP3 with AIRE reduction enabling increased HIF1A resulting in reduced FOXP3 in PBMCs of PCOS patients leading to Treg insufficiency.
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Affiliation(s)
- Renjini Ambika Padmanabhan
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thycaud PO, Poojappura, Thiruvananthapuram, Kerala, India
| | - Betcy Susan Johnson
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thycaud PO, Poojappura, Thiruvananthapuram, Kerala, India
| | - Ajay Kumar Dhyani
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thycaud PO, Poojappura, Thiruvananthapuram, Kerala, India
| | - Sathy M Pillai
- SAMAD IVF Hospitals, V. V. Road, Pattoor, Thiruvananthapuram, Kerala, India
| | - K Jayakrishnan
- KJK Hospital and Fertility Research Centre, Mar Ivanios College Road, Nalanchira, Thiruvananthapuram, Kerala, India
| | - Malini Laloraya
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thycaud PO, Poojappura, Thiruvananthapuram, Kerala, India
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11
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Chakraborty B, Byemerwa J, Krebs T, Lim F, Chang CY, McDonnell DP. Estrogen Receptor Signaling in the Immune System. Endocr Rev 2023; 44:117-141. [PMID: 35709009 DOI: 10.1210/endrev/bnac017] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Indexed: 01/14/2023]
Abstract
The immune system functions in a sexually dimorphic manner, with females exhibiting more robust immune responses than males. However, how female sex hormones affect immune function in normal homeostasis and in autoimmunity is poorly understood. In this review, we discuss how estrogens affect innate and adaptive immune cell activity and how dysregulation of estrogen signaling underlies the pathobiology of some autoimmune diseases and cancers. The potential roles of the major circulating estrogens, and each of the 3 estrogen receptors (ERα, ERβ, and G-protein coupled receptor) in the regulation of the activity of different immune cells are considered. This provides the framework for a discussion of the impact of ER modulators (aromatase inhibitors, selective estrogen receptor modulators, and selective estrogen receptor downregulators) on immunity. Synthesis of this information is timely given the considerable interest of late in defining the mechanistic basis of sex-biased responses/outcomes in patients with different cancers treated with immune checkpoint blockade. It will also be instructive with respect to the further development of ER modulators that modulate immunity in a therapeutically useful manner.
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Affiliation(s)
- Binita Chakraborty
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jovita Byemerwa
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Taylor Krebs
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA.,Known Medicine, Salt Lake City, UT 84108, USA
| | - Felicia Lim
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ching-Yi Chang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Donald P McDonnell
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
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12
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Artham S, Chang CY, McDonnell DP. Eosinophilia in cancer and its regulation by sex hormones. Trends Endocrinol Metab 2023; 34:5-20. [PMID: 36443206 PMCID: PMC10122120 DOI: 10.1016/j.tem.2022.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/25/2022] [Accepted: 11/04/2022] [Indexed: 11/27/2022]
Abstract
Gender differences in the functionality of the immune system have been attributed, in part, to direct and indirect effects of sex steroids, especially estrogens, on immune cell repertoire and activity. Notable are studies that have defined roles for estrogens in the regulation of the biology of dendritic cells (DCs), macrophages, T cells and natural killer (NK) cells. Although estrogens can modulate eosinophil function, the mechanisms by which this occurs and how it contributes to the pathobiology of different diseases remains underexplored. Furthermore, although the importance of eosinophils in infection is well established, it remains unclear as to how these innate immune cells, which are present in different tumors, impact the biology of cancer cells and/or response to therapeutics. The observation that eosinophilia influences the efficacy of immune checkpoint blockers (ICBs) is significant considering the role of estrogens as regulators of eosinophil function and recent studies suggesting that response to ICBs is impacted by gender. Thus, in this review, we consider what is known about the roles of estrogen(s) in regulating tissue eosinophilia/eosinophil function and how this influences the pathobiology of breast cancer (in particular). This information provides the context for a discussion of how estrogens/the estrogen receptor (ER) signaling axis can be targeted in eosinophils and how this would be expected to influence the activity of standard-of-care interventions and contemporary immunotherapy regimens in cancer(s).
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Affiliation(s)
- Sandeep Artham
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Ching-Yi Chang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Donald P McDonnell
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA.
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13
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Moldenhauer LM, Jin M, Wilson JJ, Green ES, Sharkey DJ, Salkeld MD, Bristow TC, Hull ML, Dekker GA, Robertson SA. Regulatory T Cell Proportion and Phenotype Are Altered in Women Using Oral Contraception. Endocrinology 2022; 163:6628694. [PMID: 35786711 PMCID: PMC9354970 DOI: 10.1210/endocr/bqac098] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Indexed: 11/19/2022]
Abstract
Regulatory T (Treg) cells are a specialized CD4+ T cell subpopulation that are essential for immune homeostasis, immune tolerance, and protection against autoimmunity. There is evidence that sex-steroid hormones estrogen and progesterone modulate Treg cell abundance and phenotype in women. Since natural oscillations in these hormones are modified by hormonal contraceptives, we examined whether oral contraception (OC) use impacts Treg cells and related T cell populations. T cells were analyzed by multiparameter flow cytometry in peripheral blood collected across the menstrual cycle from healthy women either using OC or without hormonal contraception and from age-matched men. Compared to naturally cycling women, women using OC had fewer Treg cells and an altered Treg cell phenotype. Notably, Treg cells exhibiting a strongly suppressive phenotype, defined by high FOXP3, CD25, Helios, HLADR, CTLA4, and Ki67, comprised a lower proportion of total Treg cells, particularly in the early- and mid-cycle phases. The changes were moderate compared to more substantial differences in Treg cells between women and men, wherein women had fewer Treg cells-especially of the effector memory Treg cell subset-associated with more T helper type 1 (Th1) cells and CD8+ T cells and lower Treg:Th1 cell and Treg:CD8+ T cell ratios than men. These findings imply that OC can modulate the number and phenotype of peripheral blood Treg cells and raise the possibility that Treg cells contribute to the physiological changes and altered disease susceptibility linked with OC use.
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Affiliation(s)
| | | | - Jasmine J Wilson
- Robinson Research Institute and School of Biomedicine, University of Adelaide, Adelaide, Australia
| | - Ella S Green
- Robinson Research Institute and School of Biomedicine, University of Adelaide, Adelaide, Australia
| | - David J Sharkey
- Robinson Research Institute and School of Biomedicine, University of Adelaide, Adelaide, Australia
| | - Mark D Salkeld
- Robinson Research Institute and School of Biomedicine, University of Adelaide, Adelaide, Australia
| | - Thomas C Bristow
- Robinson Research Institute and School of Biomedicine, University of Adelaide, Adelaide, Australia
| | - M Louise Hull
- Robinson Research Institute and Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Gustaaf A Dekker
- Robinson Research Institute and Adelaide Medical School, University of Adelaide, Adelaide, Australia
- Division of Women’s Health, Lyell McEwin Hospital, Elizabeth Vale, Australia
| | - Sarah A Robertson
- Correspondence: Sarah A. Robertson, PhD, Robinson Research Institute and the School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia.
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14
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Averyanova M, Vishnyakova P, Yureneva S, Yakushevskaya O, Fatkhudinov T, Elchaninov A, Sukhikh G. Sex hormones and immune system: Menopausal hormone therapy in the context of COVID-19 pandemic. Front Immunol 2022; 13:928171. [PMID: 35983046 PMCID: PMC9379861 DOI: 10.3389/fimmu.2022.928171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
The fatal outcomes of COVID-19 are related to the high reactivity of the innate wing of immunity. Estrogens could exert anti-inflammatory effects during SARS-CoV-2 infection at different stages: from increasing the antiviral resistance of individual cells to counteracting the pro-inflammatory cytokine production. A complex relationship between sex hormones and immune system implies that menopausal hormone therapy (MHT) has pleiotropic effects on immunity in peri- and postmenopausal patients. The definite immunological benefits of perimenopausal MHT confirm the important role of estrogens in regulation of immune functionalities. In this review, we attempt to explore how sex hormones and MHT affect immunological parameters of the organism at different level (in vitro, in vivo) and what mechanisms are involved in their protective response to the new coronavirus infection. The correlation of sex steroid levels with severity and lethality of the disease indicates the potential of using hormone therapy to modulate the immune response and increase the resilience to adverse outcomes. The overall success of MHT is based on decades of experience in clinical trials. According to the current standards, MHT should not be discontinued in COVID-19 with the exception of critical cases.
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Affiliation(s)
- Marina Averyanova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Polina Vishnyakova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
- Peoples’ Friendship University of Russia, Medical Institute, Moscow, Russia
- *Correspondence: Polina Vishnyakova,
| | - Svetlana Yureneva
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Oksana Yakushevskaya
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Timur Fatkhudinov
- Peoples’ Friendship University of Russia, Medical Institute, Moscow, Russia
- A. P. Avtsyn Research Institute of Human Morphology, Laboratory of Growth and Development, Moscow, Russia
| | - Andrey Elchaninov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Gennady Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
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15
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Raine C, Giles I. What is the impact of sex hormones on the pathogenesis of rheumatoid arthritis? Front Med (Lausanne) 2022; 9:909879. [PMID: 35935802 PMCID: PMC9354962 DOI: 10.3389/fmed.2022.909879] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Rheumatoid arthritis (RA) is the most common inflammatory rheumatic disease and has a female predominance of around 3:1. The relationship between sex hormones and RA has been of great interest to researchers ever since Philip Hench's observations in the 1930's regarding spontaneous disease amelioration in pregnancy. Extensive basic scientific work has demonstrated the immunomodulatory actions of sex hormones but this therapeutic potential has not to date resulted in successful clinical trials in RA. Epidemiological data regarding both endogenous and exogenous hormonal factors are inconsistent, but declining estrogen and/or progesterone levels in the menopause and post-partum appear to increase the risk and severity of RA. This review assimilates basic scientific, epidemiological and clinical trial data to provide an overview of the current understanding of the relationship between sex hormones and RA, focusing on estrogen, progesterone and androgens.
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16
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Godoy‑Pacheco A, García‑Chagollán M, Ramírez‑De‑Arellano A, Hernández‑Silva C, Villegas‑Pineda J, Ramírez‑López I, Zepeda‑Nuño J, Aguilar‑Lemarroy A, Pereira‑Suárez A. Differential modulation of natural killer cell cytotoxicity by 17β‑estradiol and prolactin through the NKG2D/NKG2DL axis in cervical cancer cells. Oncol Lett 2022; 24:288. [DOI: 10.3892/ol.2022.13408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/19/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Alejandro Godoy‑Pacheco
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Mariel García‑Chagollán
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Adrián Ramírez‑De‑Arellano
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Christian Hernández‑Silva
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Julio Villegas‑Pineda
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Inocencia Ramírez‑López
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - José Zepeda‑Nuño
- Center for Research and Diagnosis of Pathology, Department of Microbiology and Pathology, University Center of Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Adriana Aguilar‑Lemarroy
- Department of Immunology, Western Biomedical Research Center, Guadalajara, Jalisco 44340, Mexico
| | - Ana Pereira‑Suárez
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
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17
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Läsche M, Gallwas J, Gründker C. Like Brothers in Arms: How Hormonal Stimuli and Changes in the Metabolism Signaling Cooperate, Leading HPV Infection to Drive the Onset of Cervical Cancer. Int J Mol Sci 2022; 23:5050. [PMID: 35563441 PMCID: PMC9103757 DOI: 10.3390/ijms23095050] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 02/06/2023] Open
Abstract
Despite all precautionary actions and the possibility of using vaccinations to counteract infections caused by human papillomaviruses (HPVs), HPV-related cancers still account for approximately 5% of all carcinomas. Worldwide, many women are still excluded from adequate health care due to their social position and origin. Therefore, immense efforts in research and therapy are still required to counteract the challenges that this disease entails. The special thing about an HPV infection is that it is not only able to trick the immune system in a sophisticated way, but also, through genetic integration into the host genome, to use all the resources available to the host cells to complete the replication cycle of the virus without activating the alarm mechanisms of immune recognition and elimination. The mechanisms utilized by the virus are the metabolic, immune, and hormonal signaling pathways that it manipulates. Since the virus is dependent on replication enzymes of the host cells, it also intervenes in the cell cycle of the differentiating keratinocytes and shifts their terminal differentiation to the uppermost layers of the squamocolumnar transformation zone (TZ) of the cervix. The individual signaling pathways are closely related and equally important not only for the successful replication of the virus but also for the onset of cervical cancer. We will therefore analyze the effects of HPV infection on metabolic signaling, as well as changes in hormonal and immune signaling in the tumor and its microenvironment to understand how each level of signaling interacts to promote tumorigenesis of cervical cancer.
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Affiliation(s)
| | | | - Carsten Gründker
- Department of Gynecology and Obstetrics, University Medicine Göttingen, 37075 Göttingen, Germany; (M.L.); (J.G.)
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18
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Vini R, Rajavelu A, Sreeharshan S. 27-Hydroxycholesterol, The Estrogen Receptor Modulator, Alters DNA Methylation in Breast Cancer. Front Endocrinol (Lausanne) 2022; 13:783823. [PMID: 35360070 PMCID: PMC8961300 DOI: 10.3389/fendo.2022.783823] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/13/2022] [Indexed: 01/01/2023] Open
Abstract
27-hydroxycholesterol (27-HC) is the first known endogenous selective estrogen receptor modulator (SERM), and its elevation from normal levels is closely associated with breast cancer. A plethora of evidence suggests that aberrant epigenetic signatures in breast cancer cells can result in differential responses to various chemotherapeutics and often leads to the development of resistant cancer cells. Such aberrant epigenetic changes are mostly dictated by the microenvironment. The local concentration of oxygen and metabolites in the microenvironment of breast cancer are known to influence the development of breast cancer. Hence, we hypothesized that 27-HC, an oxysterol, which has been shown to induce breast cancer progression via estrogen receptor alpha (ERα) and liver X receptor (LXR) and by modulating immune cells, may also induce epigenetic changes. For deciphering the same, we treated the estrogen receptor-positive cells with 27-HC and identified DNA hypermethylation on a subset of genes by performing DNA bisulfite sequencing. The genes that showed significant DNA hypermethylation were phosphatidylserine synthase 2 (PTDSS2), MIR613, indoleamine 2,3-dioxygenase 1 (IDO1), thyroid hormone receptor alpha (THRA), dystrotelin (DTYN), and mesoderm induction early response 1, family member 3 (MIER). Furthermore, we found that 27-HC weakens the DNMT3B association with the ERα in MCF-7 cells. This study reports that 27-HC induces aberrant DNA methylation changes on the promoters of a subset of genes through modulation of ERα and DNMT3B complexes to induce the local DNA methylation changes, which may dictate drug responses and breast cancer development.
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Affiliation(s)
- Ravindran Vini
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India
| | - Arumugam Rajavelu
- Pathogen Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India
- Department of Biotechnology, Bhupat & Jyoti Mehta School of Biosciences, Indian Institute of Technology, Chennai, India
- *Correspondence: Arumugam Rajavelu, ; Sreeja Sreeharshan,
| | - Sreeja Sreeharshan
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India
- *Correspondence: Arumugam Rajavelu, ; Sreeja Sreeharshan,
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19
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Sharpe MA, Baskin DS, Jenson AV, Baskin AM. Hijacking Sexual Immuno-Privilege in GBM-An Immuno-Evasion Strategy. Int J Mol Sci 2021; 22:10983. [PMID: 34681642 PMCID: PMC8536168 DOI: 10.3390/ijms222010983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 01/12/2023] Open
Abstract
Regulatory T-cells (Tregs) are immunosuppressive T-cells, which arrest immune responses to 'Self' tissues. Some immunosuppressive Tregs that recognize seminal epitopes suppress immune responses to the proteins in semen, in both men and women. We postulated that GBMs express reproductive-associated proteins to manipulate reproductive Tregs and to gain immune privilege. We analyzed four GBM transcriptome databases representing ≈900 tumors for hypoxia-responsive Tregs, steroidogenic pathways, and sperm/testicular and placenta-specific genes, stratifying tumors by expression. In silico analysis suggested that the presence of reproductive-associated Tregs in GBM tumors was associated with worse patient outcomes. These tumors have an androgenic signature, express male-specific antigens, and attract reproductive-associated Related Orphan Receptor C (RORC)-Treg immunosuppressive cells. GBM patient sera were interrogated for the presence of anti-sperm/testicular antibodies, along with age-matched controls, utilizing monkey testicle sections. GBM patient serum contained anti-sperm/testicular antibodies at levels > six-fold that of controls. Myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages (TAMs) are associated with estrogenic tumors which appear to mimic placental tissue. We demonstrate that RORC-Tregs drive poor patient outcome, and Treg infiltration correlates strongly with androgen levels. Androgens support GBM expression of sperm/testicular proteins allowing Tregs from the patient's reproductive system to infiltrate the tumor. In contrast, estrogen appears responsible for MDSC/TAM immunosuppression.
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MESH Headings
- Androgens/metabolism
- Brain Neoplasms/immunology
- Brain Neoplasms/mortality
- Brain Neoplasms/pathology
- Carrier Proteins/genetics
- Carrier Proteins/metabolism
- Databases, Factual
- Estrogens/metabolism
- Female
- Glioblastoma/immunology
- Glioblastoma/mortality
- Glioblastoma/pathology
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Kaplan-Meier Estimate
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
- Male
- Microglia/immunology
- Microglia/metabolism
- Nuclear Receptor Subfamily 1, Group F, Member 3/genetics
- Nuclear Receptor Subfamily 1, Group F, Member 3/metabolism
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/metabolism
- Tumor Microenvironment
- Tumor-Associated Macrophages/immunology
- Tumor-Associated Macrophages/metabolism
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Affiliation(s)
- Martyn A. Sharpe
- Kenneth R. Peak Brain and Pituitary Tumor Treatment Center, Department of Neurosurgery, Houston Methodist Neurological Institute, Houston Methodist Hospital and Research Institute, Houston, TX 77030, USA; (D.S.B.); (A.V.J.); (A.M.B.)
| | - David S. Baskin
- Kenneth R. Peak Brain and Pituitary Tumor Treatment Center, Department of Neurosurgery, Houston Methodist Neurological Institute, Houston Methodist Hospital and Research Institute, Houston, TX 77030, USA; (D.S.B.); (A.V.J.); (A.M.B.)
- Department of Neurological Surgery, Weill Cornell Medical College, New York, NY 10065, USA
| | - Amanda V. Jenson
- Kenneth R. Peak Brain and Pituitary Tumor Treatment Center, Department of Neurosurgery, Houston Methodist Neurological Institute, Houston Methodist Hospital and Research Institute, Houston, TX 77030, USA; (D.S.B.); (A.V.J.); (A.M.B.)
| | - Alexandra M. Baskin
- Kenneth R. Peak Brain and Pituitary Tumor Treatment Center, Department of Neurosurgery, Houston Methodist Neurological Institute, Houston Methodist Hospital and Research Institute, Houston, TX 77030, USA; (D.S.B.); (A.V.J.); (A.M.B.)
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20
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Gjorgoska M, Rižner TL. Estrogens and the Schrödinger's Cat in the Ovarian Tumor Microenvironment. Cancers (Basel) 2021; 13:cancers13195011. [PMID: 34638494 PMCID: PMC8508344 DOI: 10.3390/cancers13195011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/29/2021] [Accepted: 10/02/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Ovarian cancer is a complex pathology for which we require effective screening and therapeutical strategies. Apart from the cancer cell portion, there exist plastic immune and non-immune cell populations, jointly constituting the context-adaptive tumor microenvironment, which is pivotal in tumorigenesis. Estrogens might be synthesized in the ovarian tumor tissue and actively contribute to the shaping of an immunosuppressive microenvironment. Current immune therapies have limited effectiveness as a multitude of factors influence the outcome. A thorough understanding of the ovarian cancer biology is crucial in the efforts to reestablish homeostasis. Abstract Ovarian cancer is a heterogeneous disease affecting the aging ovary, in concert with a complex network of cells and signals, together representing the ovarian tumor microenvironment. As in the “Schrödinger’s cat” thought experiment, the context-dependent constituents of the—by the time of diagnosis—well-established tumor microenvironment may display a tumor-protective and -destructive role. Systemic and locally synthesized estrogens contribute to the formation of a pro-tumoral microenvironment that enables the sustained tumor growth, invasion and metastasis. Here we focus on the estrogen biosynthetic and metabolic pathways in ovarian cancer and elaborate their actions on phenotypically plastic, estrogen-responsive, aging immune cells of the tumor microenvironment, altogether highlighting the multicomponent-connectedness and complexity of cancer, and contributing to a broader understanding of the ovarian cancer biology.
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21
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van der Kooij MK, Dekkers OM, Aarts MJB, van den Berkmortel FWPJ, Boers-Sonderen MJ, de Groot JWB, Hospers GAP, Piersma D, van Rijn RS, Suijkerbuijk KPM, Westgeest HM, van der Veldt AAM, Vreugdenhil G, Wilgenhof S, Wouters MWJM, Haanen JBAG, van den Eertwegh AJM, Kapiteijn E. Sex-Based Differences in Treatment with Immune Checkpoint Inhibition and Targeted Therapy for Advanced Melanoma: A Nationwide Cohort Study. Cancers (Basel) 2021; 13:cancers13184639. [PMID: 34572865 PMCID: PMC8465427 DOI: 10.3390/cancers13184639] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/03/2021] [Accepted: 09/11/2021] [Indexed: 12/21/2022] Open
Abstract
Simple Summary Melanoma is a malignant form of skin cancer. The overall survival of patients with advanced stages of disease were initially low. Fortunately, in recent years systemic treatment with immunotherapy has prolonged survival. We set out to answer the question whether men and women with advanced melanoma differ in prognostic factors, tumor-response to immunotherapy, and treatment-related adverse events. All patients in the Netherlands were registered between July 2013 and July 2018. We showed that although clinical and tumor characteristics differ, the safety profile of immunotherapy is comparable. Furthermore, overall, a 10% survival advantage for women was seen. Following immunotherapy there was no survival difference. Abstract Recent meta-analyses show conflicting data on sex-dependent benefit following systemic treatment for advanced melanoma patients. We examined the nationwide Dutch Melanoma Treatment Registry (July 2013–July 2018), assessing sex-dependent differences in advanced melanoma patients (stage IIIC/IV) with respect to clinical characteristics, mutational profiles, treatments initiated, grade 3–4 adverse events (AEs), treatment responses, and mortality. We included 3985 patients, 2363 men (59%) and showed that although men and women with advanced melanoma differ in clinical and tumor characteristics, the safety profile of immune checkpoint inhibition (ICI) is comparable. The data suggest a 10% survival advantage for women, mainly seen in patients ≥60 years of age and patients with BRAF V600 mutant melanoma. Following ICI there was no survival difference.
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Affiliation(s)
- Monique K. van der Kooij
- Department of Medical Oncology, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, 2300 RC Leiden, The Netherlands;
| | - Olaf M. Dekkers
- Department of Clinical Epidemiology, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, 2300 RC Leiden, The Netherlands;
| | - Maureen J. B. Aarts
- Department of Medical Oncology, Maastricht University Medical Center, P. Debyelaan 25, 6202 AZ Maastricht, The Netherlands;
| | | | - Marye J. Boers-Sonderen
- Department of Medical Oncology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6500 HB Nijmegen, The Netherlands;
| | | | - Geke A. P. Hospers
- Department of Medical Oncology, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands;
| | - Djura Piersma
- Department of Medical Oncology, Medisch Spectrum Twente, Koningsplein 1, 7512 KZ Enschede, The Netherlands;
| | - Rozemarijn S. van Rijn
- Department of Medical Oncology, Medical Center Leeuwarden, Henri Dunantweg 2, 8934 AD Leeuwarden, The Netherlands;
| | - Karijn P. M. Suijkerbuijk
- Department of Medical Oncology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands;
| | - Hans M. Westgeest
- Department of Internal Medicine, Amphia Ziekenhuis, Molengracht 21, 4818 CK Breda, The Netherlands;
| | - Astrid A. M. van der Veldt
- Departments of Medical Oncology and Radiology & Nuclear Medicine, Erasmus MC Cancer Institute, Dr. Molewaterplein 40, 3000 CA Rotterdam, The Netherlands;
| | - Gerard Vreugdenhil
- Department of Medical Oncology, Maxima Medical Center, de Run 4600, 5500 MB Veldhoven, The Netherlands;
| | - Sofie Wilgenhof
- Department of Medical Oncology, Netherlands Cancer Institute—Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands; (S.W.); (J.B.A.G.H.)
| | - Michel W. J. M. Wouters
- Dutch Institute for Clinical Auditing, Rijnsburgerweg 10, 2333 AA Leiden, The Netherlands;
- Department of Surgical Oncology, Netherlands Cancer Institute—Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - John B. A. G. Haanen
- Department of Medical Oncology, Netherlands Cancer Institute—Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands; (S.W.); (J.B.A.G.H.)
| | - Alfonsus J. M. van den Eertwegh
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, de Boelelaan 1117, 1081 HZ Amsterdam, The Netherlands;
| | - Ellen Kapiteijn
- Department of Medical Oncology, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, 2300 RC Leiden, The Netherlands;
- Correspondence: ; Tel.: +31-71-5263486
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Chakraborty S, Pramanik J, Mahata B. Revisiting steroidogenesis and its role in immune regulation with the advanced tools and technologies. Genes Immun 2021; 22:125-140. [PMID: 34127827 PMCID: PMC8277576 DOI: 10.1038/s41435-021-00139-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/03/2021] [Accepted: 05/21/2021] [Indexed: 12/19/2022]
Abstract
Historically tools and technologies facilitated scientific discoveries. Steroid hormone research is not an exception. Unfortunately, the dramatic advancement of the field faded this research area and flagged it as a solved topic. However, it should have been the opposite. The area should glitter with its strong foundation and attract next-generation scientists. Over the past century, a myriad of new facts on biochemistry, molecular biology, cell biology, physiology and pathology of the steroid hormones was discovered. Several innovations were made and translated into life-saving treatment strategies such as synthetic steroids, and inhibitors of steroidogenesis and steroid signaling. Steroid molecules exhibit their diverse effects on cell metabolism, salt and water balance, development and function of the reproductive system, pregnancy, and immune-cell function. Despite vigorous research, the molecular basis of the immunomodulatory effect of steroids is still mysterious. The recent excitement on local extra-glandular steroidogenesis in regulating inflammation and immunity is revitalizing the topic with a new perspective. Therefore, here we review the role of steroidogenesis in regulating inflammation and immunity, discuss the unresolved questions, and how this area can bring another golden age of steroid hormone research with the development of new tools and technologies and advancement of the scientific methods.
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Affiliation(s)
| | - Jhuma Pramanik
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Bidesh Mahata
- Department of Pathology, University of Cambridge, Cambridge, UK.
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23
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Estrogenic bias in T-Lymphocyte biology: Implications for cardiovascular disease. Pharmacol Res 2021; 170:105606. [PMID: 34119620 DOI: 10.1016/j.phrs.2021.105606] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/23/2021] [Accepted: 04/06/2021] [Indexed: 11/23/2022]
Abstract
Gender bias in cardiovascular disease has been extensively documented in epidemiological and clinical studies. Despite this, the precise molecular mechanisms underlying these disparities between men and women are poorly understood. It is clear that physiological concentrations of estradiol, such as those present in pre-menopausal women, exert cardioprotective effects that are absent in men or in post-menopausal women. These cardioprotective effects, in part, are due to the estrogen receptor-mediated modulation of the immune system including T-cells. Estrogen receptors (ERs) are widely expressed in different T-cell subsets which are known to play an indispensable role in the progression of cardiovascular disease. Because T-cells can be polarized into several distinct subsets depending on the activation milieu, they can have many different, potentially opposing functions, and it is unclear what roles estrogen receptor signaling may play in mediating these functions. This is further complicated by the discrete and often antagonistic actions of different ERs on T-cell biology which dictate the balance between numerous ER-dependent signaling pathways. While myriad effects of estrogen in T-cells are relevant for many cardiovascular diseases, their widespread effects on several other (patho)physiological systems introduce several obstacles to understanding ER signaling and its precise effects on the immune system. This review aims to provide a more comprehensive summary of the mechanisms of estrogen receptor-mediated modulation of T-cell function, polarization, and cytokine production in the context of cardiovascular disease.
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24
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R S J. The Immune Microenvironment in Human Papilloma Virus-Induced Cervical Lesions-Evidence for Estrogen as an Immunomodulator. Front Cell Infect Microbiol 2021; 11:649815. [PMID: 33996630 PMCID: PMC8120286 DOI: 10.3389/fcimb.2021.649815] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/29/2021] [Indexed: 12/24/2022] Open
Abstract
Globally, human papilloma virus (HPV) infection is a common sexually transmitted disease. However, most of the HPV infections eventually resolve aided by the body’s efficient cell-mediated immune responses. In the vast majority of the small group of patients who develop overt disease too, it is the immune response that culminates in regression of lesions. It is therefore a rarity that persistent infection by high-risk genotypes of HPV compounded by other risk factors progresses through precancer (various grades of cervical intraepithelial neoplasia—CIN) to cervical cancer (CxCa). Hence, although CxCa is a rare culmination of HPV infection, the latter is nevertheless causally linked to >90% of cancer. The three ‘Es’ of cancer immunoediting viz. elimination, equilibrium, and escape come into vogue during the gradual evolution of CIN 1 to CxCa. Both cell-intrinsic and extrinsic mechanisms operate to eliminate virally infected cells: cell-extrinsic players are anti-tumor/antiviral effectors like Th1 subset of CD4+ T cells, CD8+ cytotoxic T cells, Natural Killer cells, etc. and pro-tumorigenic/immunosuppressive cells like regulatory T cells (Tregs), Myeloid-Derived Suppressor Cells (MDSCs), type 2 macrophages, etc. And accordingly, when immunosuppressive cells overpower the effectors e.g., in high-grade lesions like CIN 2 or 3, the scale is tilted towards immune escape and the disease progresses to cancer. Estradiol has long been considered as a co-factor in cervical carcinogenesis. In addition to the gonads, the Peyer’s patches in the gut synthesize estradiol. Over and above local production of the hormone in the tissues, estradiol metabolism by the gut microbiome: estrobolome versus tryptophan non-metabolizing microbiome, regulates free estradiol levels in the intestine and extraintestinal mucosal sites. Elevated tissue levels of the hormone serve more than one purpose: besides a direct growth-promoting action on cervical epithelial cells, estradiol acting genomically via Estrogen Receptor-α also boosts the function of the stromal and infiltrating immunosuppressive cells viz. Tregs, MDSCs, and carcinoma-associated fibroblasts. Hence as a corollary, therapeutic repurposing of Selective Estrogen Receptor Disruptors or aromatase inhibitors could be useful for modulating immune function in cervical precancer/cancer. The immunomodulatory role of estradiol in HPV-mediated cervical lesions is reviewed.
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Affiliation(s)
- Jayshree R S
- Department of Microbiology, Kidwai Memorial Institute of Oncology, Bangalore, India
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25
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Millas I, Duarte Barros M. Estrogen receptors and their roles in the immune and respiratory systems. Anat Rec (Hoboken) 2021; 304:1185-1193. [PMID: 33856123 DOI: 10.1002/ar.24612] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/27/2021] [Accepted: 02/04/2021] [Indexed: 01/08/2023]
Abstract
Estrogen is an important hormone for health in both genders. It is indispensable to glucose homeostasis, immune robustness, bone health, cardiovascular health, and neural functions. The main way that estrogen acts in the cells is through estrogen receptors (ERs). The presence of specific estrogen receptors is required for estrogen to have its characteristic ubiquitous action in almost all tissues. Estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ) are the major isoforms of estrogen that are highly specific in humans and enable selective hormonal actions in different tissues. This article reviews some of the observed estrogen actions and effects in different tissues and cells through these specific receptors. This ubiquitous, almost ordinary hormone may reveal itself as a significant factor that helped us to better understand the complexity of the human immune system response against respiratory infections, including the COVID-19, and especially in the current state of this painful pandemic.
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Affiliation(s)
- Ieda Millas
- UNINOVE Curso de Medicina Ringgold Standard Institution-Medical School, Sao Paulo, Brazil
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26
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Corsi-Zuelli F, Deakin B. Impaired regulatory T cell control of astroglial overdrive and microglial pruning in schizophrenia. Neurosci Biobehav Rev 2021; 125:637-653. [PMID: 33713699 DOI: 10.1016/j.neubiorev.2021.03.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/16/2021] [Accepted: 03/06/2021] [Indexed: 02/07/2023]
Abstract
It is widely held that schizophrenia involves an active process of peripheral inflammation that induces or reflects brain inflammation with activation of microglia, the brain's resident immune cells. However, recent in vivo radioligand binding studies and large-scale transcriptomics in post-mortem brain report reduced markers of microglial inflammation. The findings suggest a contrary hypothesis; that microglia are diverted into their non-inflammatory synaptic remodelling phenotype that interferes with neurodevelopment and perhaps contributes to the relapsing nature of schizophrenia. Recent discoveries on the regulatory interactions between micro- and astroglial cells and immune regulatory T cells (Tregs) cohere with clinical omics data to suggest that: i) disinhibited astrocytes mediate the shift in microglial phenotype via the production of transforming growth factor-beta, which also contributes to the disturbances of dopamine and GABA function in schizophrenia, and ii) systemically impaired functioning of Treg cells contributes to the dysregulation of glial function, the low-grade peripheral inflammation, and the hitherto unexplained predisposition to auto-immunity and reduced life-expectancy in schizophrenia, including greater COVID-19 mortality.
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Affiliation(s)
- Fabiana Corsi-Zuelli
- Department of Neuroscience and Behaviour, Division of Psychiatry, Ribeirão Preto Medical School, University of São Paulo, 14048-900, Ribeirão Preto, São Paulo, Brazil
| | - Bill Deakin
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PT, UK.
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27
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Nejatbakhsh Samimi L, Fallahpour M, Khoshmirsafa M, Moosavi SAJ, Bayati P, Baharlou R, Falak R. The impact of 17β-estradiol and progesterone therapy on peripheral blood mononuclear cells of asthmatic patients. Mol Biol Rep 2020; 48:297-306. [PMID: 33315175 DOI: 10.1007/s11033-020-06046-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/28/2020] [Indexed: 12/18/2022]
Abstract
There is a significant fluctuation in clinical symptoms of asthmatic females during their life course, suggesting that the reproductive status and the level of sex hormones may affect the development of asthma and its exacerbation. In this study, we aimed to assess the biological effects of 17β-estradiol (E2) and progesterone (P4), alone or in combination form, on the transcription factors and production of cytokines in peripheral blood mononuclear cells (PBMCs). PBMCs of the mild-to-moderate asthmatic patients and healthy controls (HCs) were treated with equivalent serum levels of E2 or P4 maintained during hormone replacement therapy (HRT). The expression levels of T-bet, GATA-3, RORγt, PU.1, and Foxp3 were assessed by quantitative PCR. We also measured the concentration of IL-4, IL-9, IL-10, IFN-γ, and TGF-β in cell culture supernatants using ELISA. IL-4 production and GATA-3 expression levels slightly increased when asthmatic PBMCs were treated with E2 (p < 0.01), P4 (p < 0.01), or E2 + P4 (p < 0.001) compared to the untreated cells. IL-9 secretion (p < 0.001) and PU.1 gene expression levels (p < 0.05) were slightly higher in asthmatic patients' PBMCs before treatment but hormone therapy did not affect the level of them. Although the untreated asthmatic PBMCs produced a lower amount of IFN-γ compared to HCs (p < 0.01), hormone treatment did not affect the levels of IFN-γ secretion in patient groups. Moreover, we did not observe any significant changes in IL-10 and TGF-β secretion in the supernatant of hormone treated cells. We found that the common applied HRT may faintly increase GATA-3 expression and IL-4 production levels in PBMCs of asthmatic patients and can slightly increase asthma severity.
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Affiliation(s)
- Leila Nejatbakhsh Samimi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Morteza Fallahpour
- Department of Allergy and Clinical Immunology, Rasul-E-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Khoshmirsafa
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | | | - Paria Bayati
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Rasoul Baharlou
- Department of Immunology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Copsel SN, Malek TR, Levy RB. Medical Treatment Can Unintentionally Alter the Regulatory T-Cell Compartment in Patients with Widespread Pathophysiologic Conditions. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:2000-2012. [PMID: 32745461 DOI: 10.1016/j.ajpath.2020.07.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 07/14/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022]
Abstract
Regulatory T cells (Tregs) are non-redundant mediators of immune tolerance that are critical to prevent autoimmune disease and promote an anti-inflammatory tissue environment. Many individuals experience chronic diseases and physiologic changes associated with aging requiring long-term medication. Unfortunately, adverse effects accompany every pharmacologic intervention and may affect overall outcomes. We focus on medications typically prescribed during the treatment of prevalent chronic diseases and disorders, including cardiovascular disease, autoimmune disease, and menopausal symptoms, that affect >200 million individuals in the United States. Increasing studies continue to report that treatment of patients with estrogen, metformin, statins, vitamin D, and tumor necrosis factor blockers are unintentionally modulating the Treg compartment. Effects of these medications likely comprise direct and/or indirect interaction with Tregs via other immune and parenchymal populations. Differing and sometimes opposing effects on the Treg compartment have been observed using the same medication. The length of treatment, dosing regimen and stage of disease, patient age, ethnicity, and sex may account for such findings and determine the specific signaling pathways affected by the medication. Enhancing the Treg compartment can skew the patient's immune system toward an anti-inflammatory phenotype and therefore could provide unanticipated benefit. Currently, multiple medicines prescribed to large numbers of patients influence the Treg compartment; however, how such effects affect their disease outcome and long-term health remains unclear.
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Affiliation(s)
- Sabrina N Copsel
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida.
| | - Thomas R Malek
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida
| | - Robert B Levy
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida
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29
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Meng Q, Li J, Chao Y, Bi Y, Zhang W, Zhang Y, Ji T, Fu Y, Chen Q, Zhang Q, Li Y, Bian H. β-estradiol adjusts intestinal function via ERβ and GPR30 mediated PI3K/AKT signaling activation to alleviate postmenopausal dyslipidemia. Biochem Pharmacol 2020; 180:114134. [PMID: 32628929 DOI: 10.1016/j.bcp.2020.114134] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 12/12/2022]
Abstract
Decreases in estrogen secretion and estrogen receptor function lead to an increase in the incidence of dyslipidemia and cardiovascular disease (CVD) in postmenopausal women. We previously reported that β-estradiol has a significant regulatory effect on lipids in ApoE-/- mice with bilateral ovariectomy. In the present study, we investigated how β-estradiol regulates intestinal function via estrogen receptors to alleviate postmenopausal dyslipidemia. Ovariectomized ApoE-/- mice were treated with β-estradiol for 90 days, and we found that β-estradiol reduced TC, TG, LDL-c, IL-1β and IL-18 levels in serum and decreased lipid accumulation in the liver. β-estradiol reduced injury and inflammation in the jejunum in ovariectomized mice, and promoted the expression of tight junction-related proteins. Moreover, β-estradiol increased ERα, ERβ, GPR30 and ABCG5 protein expression, and decreased the levels of NPC1L1 and SR-B1 in the jejunum of ovariectomized mice. In Caco-2 cells incubated with cholesterol, β-estradiol up-regulated PI3K/AKT signaling, reduced cholesterol accumulation, suppressed inflammatory signaling, and increased the expression of tight junction-related proteins. ERβ or GPR30 inhibition decreased the protective effect of β-estradiol on cholesterol accumulation, tight junctions, and inflammation in cholesterol incubated Caco-2 cells, while silencing both ERβ and GPR30 completely eliminated the protective effect of β-estradiol. PI3K/AKT inhibition abolished the protective effect of β-estradiol on cholesterol accumulation, tight junction-related protein expression, and inflammation, but had no influence on ERα, ERβ or GPR30 expression in cholesterol incubated Caco-2 cells. Our results provide evidence that β-estradiol regulates intestinal function via ERβ and GPR30 mediated PI3K/AKT signaling activation to alleviate postmenopausal dyslipidemia.
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Affiliation(s)
- Qinghai Meng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jun Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Ying Chao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yunhui Bi
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Weiwei Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yuhan Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Tingting Ji
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yu Fu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qi Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qichun Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yu Li
- School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Huimin Bian
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China.
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30
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Olson WJ, Jakic B, Hermann‐Kleiter N. Regulation of the germinal center response by nuclear receptors and implications for autoimmune diseases. FEBS J 2020; 287:2866-2890. [PMID: 32246891 PMCID: PMC7497069 DOI: 10.1111/febs.15312] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/15/2020] [Accepted: 03/26/2020] [Indexed: 01/09/2023]
Abstract
The immune system plays an essential role in protecting the host from infectious diseases and cancer. Notably, B and T lymphocytes from the adaptive arm of the immune system can co-operate to form long-lived antibody responses and are therefore the main target in vaccination approaches. Nevertheless, protective immune responses must be tightly regulated to avoid hyper-responsiveness and responses against self that can result in autoimmunity. Nuclear receptors (NRs) are perfectly adapted to rapidly alter transcriptional cellular responses to altered environmental settings. Their functional role is associated with both immune deficiencies and autoimmunity. Despite extensive linking of nuclear receptor function with specific CD4 T helper subsets, research on the functional roles and mechanisms of specific NRs in CD4 follicular T helper cells (Tfh) and germinal center (GC) B cells during the germinal center reaction is just emerging. We review recent advances in our understanding of NR regulation in specific cell types of the GC response and discuss their implications for autoimmune diseases such as systemic lupus erythematosus (SLE).
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Affiliation(s)
- William J. Olson
- Translational Cell GeneticsDepartment of Pharmacology and GeneticsMedical University of InnsbruckAustria
| | - Bojana Jakic
- Translational Cell GeneticsDepartment of Pharmacology and GeneticsMedical University of InnsbruckAustria
- Department of Immunology, Genetics and PathologyUppsala UniversitySweden
| | - Natascha Hermann‐Kleiter
- Translational Cell GeneticsDepartment of Pharmacology and GeneticsMedical University of InnsbruckAustria
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31
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Raine C, Austin K, Giles I. Mechanisms determining the amelioration of rheumatoid arthritis in pregnancy: A systematic review. Semin Arthritis Rheum 2020; 50:1357-1369. [PMID: 32224046 DOI: 10.1016/j.semarthrit.2020.03.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 02/17/2020] [Accepted: 03/13/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND The phenomenon of pregnancy-induced remission of rheumatoid arthritis (RA) was first reported by Philip Hench in 1938. Despite extensive efforts, the underlying scientific basis has remained elusive. A number of different potential mechanisms have been investigated. We have undertaken a systematic review of the available peer-reviewed articles involving pregnant patients with RA in order to establish the depth of current scientific understanding of this important topic. METHODS This review was conducted according to guidelines of preferred reporting items for systematic reviews and meta-analyses. Studies were identified by a thorough search of multiple databases including Medline, PubMed and EMBASE. Search terms used were different combinations of the keywords: rheumatoid arthritis, inflammatory arthritis, pregnancy, mechanisms, disease activity, relapse and remission. Non-English language articles and studies that were not directly relevant were excluded. Two independent reviewers (CR and KA) screened the retrieved articles by reading the title and abstract to identify studies that addressed potential mechanisms determining RA activity in pregnancy. Articles were further refined after reading the full text. A data extraction sheet was developed for the purpose of this review and used by the independent reviewers. RESULTS After exclusion of irrelevant, duplicate and foreign language articles, a final total of 37 original articles were identified. The largest body of literature concerned glycosylation of immunoglobulins, with 9 published articles. There is evidence of an association between increasing levels of galactosylation of immunoglobulins and reduced RA disease activity in pregnancy. Other identified articles comprised 5 on cytokine changes in pregnancy, 5 on human leucocyte antigen (HLA) incompatibility, 5 on changes in peripheral blood mononuclear cell (PBMC) gene expression; 4 on changes in corticosteroids; 3 on pregnancy associated α2-glycoprotein; 2 on changes in rheumatoid factor (RF)/anti-citrullinated protein antibody (ACPA); and 1 each on microchimerism, gamma delta T cells, regulatory T cells, and mannose-binding lectin. The results of these studies were heterogenous and occasionally conflicting. Selected studies varied greatly in terms of population size, methodology and use of controls and disease activity assessments. CONCLUSION This systematic review has found that the cause of the pregnancy-induced amelioration of RA remains to be determined, despite extensive efforts. It is unclear which of the various transitory changes in pregnancy may be responsible for initiating downstream anti-inflammatory immunological mechanisms. We discuss limitations of the current literature and suggest areas for future study.
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Affiliation(s)
- Charles Raine
- Rayne Institute, University College London Centre for Rheumatology Research, University Street, London WC1E 6JF, United Kingdom.
| | - Keziah Austin
- Department of Rheumatology, University College London Hospital, 250 Euston Rd, London NW1 2PG, United Kingdom.
| | - Ian Giles
- Rayne Institute, University College London Centre for Rheumatology Research, University Street, London WC1E 6JF, United Kingdom.
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32
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Martini E, Giugliano S, Rescigno M, Kallikourdis M. Regulatory T Cells Beyond Autoimmunity: From Pregnancy to Cancer and Cardiovascular Disease. Front Immunol 2020; 11:509. [PMID: 32296427 PMCID: PMC7136891 DOI: 10.3389/fimmu.2020.00509] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/05/2020] [Indexed: 01/21/2023] Open
Abstract
The evolution of the full range of functions of regulatory T cells (Treg) coincides with the evolution of mammalian pregnancy. Accordingly, Treg function has been shown to be crucial for maternal-fetal tolerance and implantation. As reproduction is a key point of selective pressure, mammalian pregnancy may represent an evolutionary driver for the development of Treg. Yet beyond the chronological boundaries of mammalian pregnancy, several key physiological and pathological events are being gradually uncovered as involving the immunomodulating functions of Treg cells. These include autoimmunity, age-related inflammation in males and in post-menopausal females, but also oncological and cardiovascular diseases. The latter two sets of diseases collectively compose the main causes of mortality world-wide. Emerging data point to Treg-modulable effects in these diseases, in a departure from the relatively narrower perceived role of Treg as master regulators of autoimmunity. Yet recent evidence also suggests that changes in intestinal microbiota can affect the above pathological conditions. This is likely due to the finding that, whilst the presence and maintenance of intestinal microbiota requires active immune tolerance, mediated by Treg, the existence of microbiota per se profoundly affects the polarization, stability, and balance of pro- and anti-inflammatory T cell populations, including Treg and induced Treg cells. The study of these “novel,” but possibly highly relevant from an ontogenesis perspective, facets of Treg function may hold great potential for our understanding of the mechanisms underlying human disease.
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Affiliation(s)
- Elisa Martini
- Adaptive Immunity Laboratory, Humanitas Clinical and Research Center, Milan, Italy
| | - Silvia Giugliano
- Laboratory of Mucosal Immunology and Microbiota, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Maria Rescigno
- Laboratory of Mucosal Immunology and Microbiota, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Marinos Kallikourdis
- Adaptive Immunity Laboratory, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
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33
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Contreras-Zárate MJ, Cittelly DM. Sex steroid hormone function in the brain niche: Implications for brain metastatic colonization and progression. Cancer Rep (Hoboken) 2020; 5:e1241. [PMID: 33350105 PMCID: PMC8022872 DOI: 10.1002/cnr2.1241] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 01/04/2020] [Accepted: 01/30/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND While sex hormones and their receptors play well-known roles in progression of primary tumors through direct action on sex steroid hormone-responsive cancer cells, emerging evidence suggest that hormones also play important roles in metastatic progression by modulating the tumor microenvironment. Estrogens and androgens synthesized in gonads and within the brain influence memory, behavior, and outcomes of brain pathologies. Yet, their impact on brain metastatic colonization and progression is just beginning to be explored. RECENT FINDINGS Estradiol and testosterone cross the blood-brain barrier and are synthesized de novo in astrocytes and other cells within the adult brain. Circulating and brain-synthesized estrogens have been shown to promote brain metastatic colonization of tumors lacking estrogen receptors (ERs), through mechanisms involving the upregulation of growth factors and neurotrophins in ER+ reactive astrocytes. In this review, we discuss additional mechanisms by which hormones may influence brain metastases, through modulation of brain endothelial cells, astrocytes, and microglia. CONCLUSION A greater understanding of hormone-brain-tumor interactions may shed further light on the mechanisms underlying the adaptation of cancer cells to the brain niche, and provide therapeutic alternatives modulating the brain metastatic niche.
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Affiliation(s)
| | - Diana M Cittelly
- Department of Pathology, University of Colorado Denver, Aurora, Colorado
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Cobo-Vuilleumier N, Gauthier BR. Time for a paradigm shift in treating type 1 diabetes mellitus: coupling inflammation to islet regeneration. Metabolism 2020; 104:154137. [PMID: 31904355 DOI: 10.1016/j.metabol.2020.154137] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/26/2019] [Accepted: 12/29/2019] [Indexed: 02/07/2023]
Abstract
Type 1 diabetes mellitus (T1DM) is an autoimmune disease that targets the destruction of islet beta-cells resulting in insulin deficiency, hyperglycemia and death if untreated. Despite advances in medical devices and longer-acting insulin, there is still no robust therapy to substitute and protect beta-cells that are lost in T1DM. Attempts to refrain from the autoimmune attack have failed to achieve glycemic control in patients highlighting the necessity for a paradigm shift in T1DM treatment. Paradoxically, beta-cells are present in T1DM patients indicating a disturbed equilibrium between the immune attack and beta-cell regeneration reminiscent of unresolved wound healing that under normal circumstances progression towards an anti-inflammatory milieu promotes regeneration. Thus, the ultimate T1DM therapy should concomitantly restore immune self-tolerance and replenish the beta-cell mass similar to wound healing. Recently the agonistic activation of the nuclear receptor LRH-1/NR5A2 was shown to induce immune self-tolerance, increase beta-cell survival and promote regeneration through a mechanism of alpha-to-beta cell phenotypic switch. This trans-regeneration process appears to be facilitated by a pancreatic anti-inflammatory environment induced by LRH-1/NR5A2 activation. Herein, we review the literature on the role of LRH1/NR5A2 in immunity and islet physiology and propose that a cross-talk between these cellular compartments is mandatory to achieve therapeutic benefits.
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Affiliation(s)
- Nadia Cobo-Vuilleumier
- Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | - Benoit R Gauthier
- Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, 28029 Spain.
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35
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Smida T, Bruno TC, Stabile LP. Influence of Estrogen on the NSCLC Microenvironment: A Comprehensive Picture and Clinical Implications. Front Oncol 2020; 10:137. [PMID: 32133288 PMCID: PMC7039860 DOI: 10.3389/fonc.2020.00137] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 01/27/2020] [Indexed: 12/15/2022] Open
Abstract
Lung cancer mortality represents the leading cause of cancer related deaths in the United States and worldwide. Almost half of these deaths occur in female patients, making lung cancer the most common cause of cancer mortality in women with a higher annual mortality rate than breast, uterine, and ovarian cancers combined. The distinct epidemiological, histological and biological presentation of non-small cell lung cancer (NSCLC) in women combined with extensive preclinical data have demonstrated that the female sex hormone β-estradiol (E2) plays an important role in NSCLC tumorigenesis, prognosis, and treatment response. Estrogen receptors are widely expressed on stromal and immune cells, and estrogen-linked signaling pathways are known to be involved in regulating the response of both the innate and adaptive immune system. Immune evasion has been recognized as a “hallmark” of cancer and immunotherapy has re-defined standard of care treatment for NSCLC. Despite these advancements, the low response rates observed in patients treated with immune checkpoint inhibitors has led to a search for mediators of immunosuppression and ways to augment the action of these agents. We focus on emerging data describing sex differences that modulate immunotherapy efficacy in NSCLC, immunosuppressive properties of E2 that lead to a pro-tumor microenvironment (TME), and the translational potential of altering the immune microenvironment by targeting the estrogen signaling pathway. E2-induced modulation affects multiple cell types within the TME, including cancer-associated fibroblasts, tumor infiltrating myeloid cells, and tumor infiltrating lymphocytes, all of which interplay with lung tumor cells via E2 and estrogen receptor engagement, ultimately shaping the TME that may, in part, be responsible for the sex-based disparities observed in NSCLC. An improved understanding of the role of the estrogen pathway in NSCLC anti-cancer immunity may lead to novel therapeutic approaches for altering the TME to improve the efficacy of immunotherapy agents.
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Affiliation(s)
- Tanner Smida
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Tullia C Bruno
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States.,UPMC Hillman Cancer Center, Pittsburgh, PA, United States
| | - Laura P Stabile
- UPMC Hillman Cancer Center, Pittsburgh, PA, United States.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA, United States
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Somasundaram A, Rothenberger NJ, Stabile LP. The Impact of Estrogen in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1277:33-52. [PMID: 33119863 DOI: 10.1007/978-3-030-50224-9_2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Tumor immune escape is now a hallmark of cancer development, and therapies targeting these pathways have emerged as standard of care. Specifically, immune checkpoint signal blockade offers durable responses and increased overall survival. However, the majority of cancer patients still do not respond to checkpoint blockade immune therapy leading to an unmet need in tumor immunology research. Sex-based differences have been noted in the use of cancer immunotherapy suggesting that sex hormones such as estrogen may play an important role in tumor immune regulation. Estrogen signaling already has a known role in autoimmunity, and the estrogen receptor can be expressed across multiple immune cell populations and effect their regulation. While it has been well established that tumor cells such as ovarian carcinoma, breast carcinoma, and even lung carcinoma can be regulated by estrogen, research into the role of estrogen in the regulation of tumor-associated immune cells is still emerging. In this chapter, we discuss the role of estrogen in the tumor immune microenvironment and the possible immunotherapeutic implications of targeting estrogen in cancer patients.
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Affiliation(s)
- Ashwin Somasundaram
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.,UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Natalie J Rothenberger
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh, Pittsburgh, PA, USA.,Geisinger Commonwealth School of Medicine, Scranton, PA, USA
| | - Laura P Stabile
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA. .,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA.
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37
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The Roles of Sex Hormones in the Course of Atopic Dermatitis. Int J Mol Sci 2019; 20:ijms20194660. [PMID: 31547021 PMCID: PMC6802354 DOI: 10.3390/ijms20194660] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/17/2019] [Accepted: 09/18/2019] [Indexed: 12/15/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by T helper 2 cell (Th2)-shifted abnormal immunity, skin barrier impairment, and pruritus. The prevalence of AD in childhood is slightly higher in boys than in girls; after puberty, the sexual difference is reversed. The female preponderance in all generations exists in intrinsic AD with enhanced Th1 activity and nickel allergy, lacking increased serum IgE or filaggrin mutation. AD is often deteriorated before menstruation. We review the effects of sex hormones on immune responses and skin permeability barrier and propose possible hypotheses for the above phenomena. After puberty, the immune responses of patients are remarkably influenced by sex hormones. Estrogen and progesterone enhance the activities of Th2/regulatory T cell (Treg) but suppress Th1/Th17. Androgens suppress Th1/Th2/Th17 and induce Treg. The skin permeability barrier is fortified by estrogen but is impaired by progesterone and androgens. Dehydroepiandrosterone suppresses Th2 but enhances Th1. The amount of steroid sulfatase converting dehydroepiandrosterone sulfate to dehydroepiandrosterone is higher in women than in men, and thus, women might be more susceptible to the influence of dehydroepiandrosterone. The balance of modulatory effects of sex hormones on immune responses and skin barrier might regulate the course of AD.
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38
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Gong Z, Shen X, Yang J, Lai L, Wei S. Receptor Binding Inhibitor Suppresses Carcinogenesis of Cervical Cancer by Depressing Levels of FSHR and ERβ in Mice. Anticancer Agents Med Chem 2019; 19:1719-1727. [PMID: 31368878 DOI: 10.2174/1871520619666190801094059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 01/24/2019] [Accepted: 04/08/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND FSH Receptor Binding Inhibitor (FRBI) blocked the binding of FSH to FSHR. Our initial study revealed FRBI reduced the maturation rate, enhanced the apoptosis of sheep Cumulus-Oocyte Complex (COCs). Little is known about whether FRBI modulates ERβ and FSHR levels in the normal uterine and cancerous tissues. The present study aimed to evaluate the FRBI effects on the expressions of Estrogen Receptor-beta (ERβ) and FSH receptor (FSHR) in the uteri. METHODS 150 mice were assigned to FRBI+FSH (COM), FSH and control groups (CG). Mice of COM-1, COM-2 and COM-3 groups were simultaneously intramuscularly injected with 500, 750 and 1000 µg FRBI with 10 IU FSH, respectively for five days. Western blotting and qPCR were utilized to determine the expression of ERβ and FSHR. RESULTS In comparison with FSH group, uterine lumen and glands of COM groups became narrow. The uterine wall and endometrial epithelium were thinned, and uterine lumen became narrow. Epithelial cells were decreased. Uterine wall thicknesses of COM-1, COM-2 and COM-3 groups were reduced by 6.49%, 14.89% and 15.69% on day 30 as compared with FSH group. Uterine perimetrium thicknesses of COM-1, COM-2 and COM-3 groups were reduced by 16.17%, 17.93% and 19.92% on day 20 in comparison with FSH group. Levels of FSHR mRNAs and proteins of COM-1, COM-2 and COM-3 groups were less than FSH group on days 20 and 30 (P<0.05). ERβ protein of COM-3 group was less than FSH group. Serum estradiol (E2) and FSH concentrations of COM-2 and COM-3 were lower than that of FSH group on day 30. CONCLUSION FRBI could decrease UWT and UPT, also block the uterine development, decline expression levels of ERβ and FSHR protein. Additionally, FRBI reduced the secretion of secretion of FSH and E2. Downregulating expression of FSHR and ERβ may be a potential treatment regimen for cervical cancer patients.
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Affiliation(s)
- Zhuandi Gong
- Hospital of Medicine College, Northwest Minzu University, Lanzhou, 730030, China
| | - Xiaoyun Shen
- School of Karst Science, Guizhou Normal University, Guiyang, 550001, China.,School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621 010, China
| | - Juan Yang
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, 730030, China
| | - Luju Lai
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, 730030, China
| | - Suocheng Wei
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, 730030, China.,Research Center of Animal Cell Engineering and Technology of Gansu Province, Northwest Minzu University, Lanzhou, 730030, China
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39
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Dirice E, Kahraman S, De Jesus DF, El Ouaamari A, Basile G, Baker RL, Yigit B, Piehowski PD, Kim MJ, Dwyer AJ, Ng RWS, Schuster C, Vethe H, Martinov T, Ishikawa Y, Teo AKK, Smith RD, Hu J, Haskins K, Serwold T, Qian WJ, Fife BT, Kissler S, Kulkarni RN. Increased β-cell proliferation before immune cell invasion prevents progression of type 1 diabetes. Nat Metab 2019; 1:509-518. [PMID: 31423480 PMCID: PMC6696912 DOI: 10.1038/s42255-019-0061-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Type 1 diabetes (T1D) is characterized by pancreatic islet infiltration by autoreactive immune cells and a near-total loss of β-cells1. Restoration of insulin-producing β-cells coupled with immunomodulation to suppress the autoimmune attack has emerged as a potential approach to counter T1D2-4. Here we report that enhancing β-cell mass early in life, in two models of female NOD mice, results in immunomodulation of T-cells, reduced islet infiltration and lower β-cell apoptosis, that together protect them from developing T1D. The animals displayed altered β-cell antigens, and islet transplantation studies showed prolonged graft survival in the NOD-LIRKO model. Adoptive transfer of splenocytes from the NOD-LIRKOs prevented development of diabetes in pre-diabetic NOD mice. A significant increase in the splenic CD4+CD25+FoxP3+ regulatory T-cell (Treg) population was observed to underlie the protected phenotype since Treg depletion rendered NOD-LIRKO mice diabetic. The increase in Tregs coupled with activation of TGF-β/SMAD3 signaling pathway in pathogenic T-cells favored reduced ability to kill β-cells. These data support a previously unidentified observation that initiating β-cell proliferation, alone, prior to islet infiltration by immune cells alters the identity of β-cells, decreases pathologic self-reactivity of effector cells and increases Tregs to prevent progression of T1D.
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Affiliation(s)
- Ercument Dirice
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Sevim Kahraman
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Dario F. De Jesus
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
- Graduate Program in Areas of Basic and Applied Biology
(GABBA), Abel Salazar Biomedical Sciences Institute, University of Porto, Porto,
Portugal
| | - Abdelfattah El Ouaamari
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Giorgio Basile
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Rocky L. Baker
- Department of Immunology, School of Medicine, University of
Colorado, Aurora, CO, USA
| | - Burcu Yigit
- Division of Immunology, Beth Israel Deaconess Medical
Center, Harvard Medical School, Boston, MA, USA
| | - Paul D. Piehowski
- Biological Sciences Division, Pacific Northwest National
Laboratory, Richland, WA, USA
| | - Mi-Jeong Kim
- Section for Immunobiology, Joslin Diabetes Center, Boston,
MA, USA
| | - Alexander J. Dwyer
- University of Minnesota, Center for Immunology, Department
of Medicine, Minneapolis, MN, USA
| | - Raymond W. S. Ng
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Heidrun Vethe
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
| | - Tijana Martinov
- University of Minnesota, Center for Immunology, Department
of Medicine, Minneapolis, MN, USA
| | - Yuki Ishikawa
- Section for Immunobiology, Joslin Diabetes Center, Boston,
MA, USA
| | - Adrian Kee Keong Teo
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Richard D. Smith
- Biological Sciences Division, Pacific Northwest National
Laboratory, Richland, WA, USA
| | - Jiang Hu
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Kathryn Haskins
- Department of Immunology, School of Medicine, University of
Colorado, Aurora, CO, USA
| | - Thomas Serwold
- Section for Immunobiology, Joslin Diabetes Center, Boston,
MA, USA
| | - Wei-Jun Qian
- Biological Sciences Division, Pacific Northwest National
Laboratory, Richland, WA, USA
| | - Brian T. Fife
- University of Minnesota, Center for Immunology, Department
of Medicine, Minneapolis, MN, USA
| | - Stephan Kissler
- Section for Immunobiology, Joslin Diabetes Center, Boston,
MA, USA
| | - Rohit N. Kulkarni
- Islet Cell and Regenerative Biology, Joslin Diabetes
Center, Boston, MA, USA
- Department of Medicine, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
- Harvard Stem Cell Institute, Boston, MA, USA
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40
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Segovia-Mendoza M, Morales-Montor J. Immune Tumor Microenvironment in Breast Cancer and the Participation of Estrogen and Its Receptors in Cancer Physiopathology. Front Immunol 2019; 10:348. [PMID: 30881360 PMCID: PMC6407672 DOI: 10.3389/fimmu.2019.00348] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 02/11/2019] [Indexed: 12/22/2022] Open
Abstract
Breast cancer is characterized by cellular and molecular heterogeneity. Several molecular events are involved in controlling malignant cell process. In this sense, the importance of studying multiple cell alterations in this pathology is overriding. A well-identified fact on immune response is that it can vary depend on sex. Steroid hormones and their receptors may regulate different functions and the responses of several subpopulations of the immune system. Few reports are focused on the function of estrogen receptors (ERs) on immune cells and their roles in different breast cancer subtypes. Thus, the aim of this review is to investigate the immune infiltrating tumor microenvironment and prognosis conferred by it in different breast cancer subtypes, discuss the current knowledge and point out the roles of estrogens and its receptors on the infiltrating immune cells, as well as to identify how different immune subsets are modulated after anti-hormonal treatments in breast cancer patients.
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Affiliation(s)
| | - Jorge Morales-Montor
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
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41
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Ding L, Liu C, Zhou Q, Feng M, Wang J. Association of estradiol and HPV/HPV16 infection with the occurrence of cervical squamous cell carcinoma. Oncol Lett 2019; 17:3548-3554. [PMID: 30867796 DOI: 10.3892/ol.2019.10005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 12/21/2018] [Indexed: 11/05/2022] Open
Abstract
The associations between human papillomavirus (HPV) infection or hormonal exposure and cervical cancer risk are well established. However, to the best of our knowledge, the association between high endogenous estradiol levels in conjunction with HPV/HPV16 infection and the risk of cervical squamous cell carcinoma remains unknown. To investigate this, the current study conducted a matched case-control study in Shanxi Province, China, in which clinical samples were obtained from 74 females with newly diagnosed uterine cervix squamous cell carcinoma and 74 matched healthy females who were selected from 582 healthy females according to age, place of residence, marital status and menopausal status. From all participants, DNA was extracted from cells obtained from a cervical smear and serum was separated from venous blood withdrawn during days 5-8 of the menstrual cycle. HPV/HPV16 DNA and estradiol expression levels in the serum were measured by general polymerase chain reaction and enzyme-linked immunosorbent assay, respectively. Significant differences were identified in the positive HPV and HPV16 DNA expression rates between patients and controls, with odds ratios (95% confidence interval) of 3.74 (1.84-7.59) and 4.04 (1.97-8.28), respectively. Expression levels of estradiol in patients were significantly higher compared with the controls (P<0.001), however, this was only identified when the HPV16 E2 or E6 oncogene status was negative. Considering 40 ng/ml as the cut-off estradiol level, 78.38% of patients exhibited high estradiol levels, which was significantly higher than the percentage of controls (P<0.001). An additive interaction pattern was revealed between estradiol expression levels and HPV/HPV16 infection. The results suggest that among the various types of HPV, HPV16 may be most likely to cause uterine cervix squamous cell carcinoma and an abnormally high level of endogenous estradiol may further increase this risk. Therefore, estradiol therapy may represent a new treatment strategy for cases of cervical cancer associated with HPV infection.
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Affiliation(s)
- Ling Ding
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Chunliang Liu
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Qin Zhou
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Meijuan Feng
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Jintao Wang
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
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42
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Polesso F, Weinberg AD, Moran AE. Late-Stage Tumor Regression after PD-L1 Blockade Plus a Concurrent OX40 Agonist. Cancer Immunol Res 2018; 7:269-281. [PMID: 30563828 DOI: 10.1158/2326-6066.cir-18-0222] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 08/13/2018] [Accepted: 12/14/2018] [Indexed: 11/16/2022]
Abstract
The protective capability of tumor antigen-specific T cells is regulated by costimulatory and inhibitory signals. Current approaches in cancer immunotherapy seek to restore the function of unresponsive T cells by blocking inhibitory pathways. In contrast, providing exogenous costimulatory signals to T cells also enhances antitumor functionality. By combining these two clinical approaches, we demonstrate the synergy of targeting PD-L1 together with the costimulatory molecule OX40, to enhance antitumor immunity. Concurrently blocking PD-L1 and providing a costimulatory agonist to OX40 increased the presence and functionality of tumor antigen-specific CD8+ T cells with simultaneous enhancement of T-helper type 1 (Th1)-skewed CD4+ T cells. This shift was functionally supported by increased glucose metabolism of antigen-specific CD8+ T cells and the acquisition of granzyme B by regulatory T cells. Together, this mechanism promoted tumor regression of late-stage tumors beyond that achieved by either blockade as monotherapy. These findings indicate that targeting both T-cell intrinsic (OX40) and extrinsic (PD-L1) regulatory molecules increases the bioenergetic potential of T cells, thereby expanding functional and tumor antigen-specific T cells.
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Affiliation(s)
- Fanny Polesso
- Department of Cell, Developmental and Cancer Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon
| | - Andrew D Weinberg
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Research Center, Providence Portland Medical Center, Portland, Oregon
| | - Amy E Moran
- Department of Cell, Developmental and Cancer Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.
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43
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Moulton VR. Sex Hormones in Acquired Immunity and Autoimmune Disease. Front Immunol 2018; 9:2279. [PMID: 30337927 PMCID: PMC6180207 DOI: 10.3389/fimmu.2018.02279] [Citation(s) in RCA: 329] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 09/13/2018] [Indexed: 12/15/2022] Open
Abstract
Women have stronger immune responses to infections and vaccination than men. Paradoxically, the stronger immune response comes at a steep price, which is the high incidence of autoimmune diseases in women. The reasons why women have stronger immunity and higher incidence of autoimmunity are not clear. Besides gender, sex hormones contribute to the development and activity of the immune system, accounting for differences in gender-related immune responses. Both innate and adaptive immune systems bear receptors for sex hormones and respond to hormonal cues. This review focuses on the role of sex hormones particularly estrogen, in the adaptive immune response, in health, and autoimmune disease with an emphasis on systemic lupus erythematosus.
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Affiliation(s)
- Vaishali R Moulton
- Division of Rheumatology, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
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44
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Bereshchenko O, Bruscoli S, Riccardi C. Glucocorticoids, Sex Hormones, and Immunity. Front Immunol 2018; 9:1332. [PMID: 29946321 PMCID: PMC6006719 DOI: 10.3389/fimmu.2018.01332] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 05/29/2018] [Indexed: 12/15/2022] Open
Abstract
Glucocorticoid hormones regulate essential body functions in mammals, control cell metabolism, growth, differentiation, and apoptosis. Importantly, they are potent suppressors of inflammation, and multiple immune-modulatory mechanisms involving leukocyte apoptosis, differentiation, and cytokine production have been described. Due to their potent anti-inflammatory and immune-suppressive activity, synthetic glucocorticoids (GCs) are the most prescribed drugs used for treatment of autoimmune and inflammatory diseases. It is long been noted that males and females exhibit differences in the prevalence in several autoimmune diseases (AD). This can be due to the role of sexual hormones in regulation of the immune responses, acting through their endogenous nuclear receptors to mediate gene expression and generate unique gender-specific cellular environments. Given the fact that GCs are the primary physiological anti-inflammatory hormones, and that sex hormones may also exert immune-modulatory functions, the link between GCs and sex hormones may exist. Understanding the nature of this possible crosstalk is important to unravel the reason of sexual disparity in AD and to carefully prescribe these drugs for the treatment of inflammatory diseases. In this review, we discuss similarities and differences between the effects of sex hormones and GCs on the immune system, to highlight possible axes of functional interaction.
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Affiliation(s)
- Oxana Bereshchenko
- Section of Pharmacology, Department of Medicine, University of Perugia, Perugia, Italy.,Department of Surgery and Biomedical Sciences, University of Perugia, Perugia, Italy
| | - Stefano Bruscoli
- Section of Pharmacology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Carlo Riccardi
- Section of Pharmacology, Department of Medicine, University of Perugia, Perugia, Italy
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45
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Gannon M, Kulkarni RN, Tse HM, Mauvais-Jarvis F. Sex differences underlying pancreatic islet biology and its dysfunction. Mol Metab 2018; 15:82-91. [PMID: 29891438 PMCID: PMC6066785 DOI: 10.1016/j.molmet.2018.05.017] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 05/25/2018] [Indexed: 12/30/2022] Open
Abstract
Background The sex of an individual affects glucose homeostasis and the pathophysiology, incidence, and prevalence of diabetes as well as the response to therapy. Scope of the review This review focuses on clinical and experimental sex differences in islet cell biology and dysfunction during development and in adulthood in human and animal models. We discuss sex differences in β-cell and α-cell function, heterogeneity, and dysfunction. We cover sex differences in communication between gonads and islets and islet-cell immune interactions. Finally, we discuss sex differences in β-cell programming by nutrition and other environmental factors during pregnancy. Major conclusions Important sex differences exist in islet cell function and susceptibility to failure. These differences represent sex-related biological factors that can be harnessed for gender-based prevention of and therapy for diabetes.
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Affiliation(s)
- Maureen Gannon
- Department of Medicine, Vanderbilt University Medical Center, Nashville, USA; Department of Veterans Affairs, Tennessee Valley Health Authority, Nashville, TN, USA
| | - Rohit N Kulkarni
- Section of Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, USA; Department of Medicine, Harvard Medical School, Boston, USA; Harvard Stem Cell Institute, Boston, MA, USA
| | - Hubert M Tse
- Department of Microbiology, Birmingham, USA; Comprehensive Diabetes Center, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Franck Mauvais-Jarvis
- Department of Medicine, Section of Endocrinology and Metabolism, Tulane University Health Sciences Center School of Medicine, New Orleans, USA; Southeast Louisiana Veterans Healthcare System Medical Center, New Orleans, LA, USA.
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