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Yu S, Diao L, Lian R, Chen C, Huang C, Li X, Li Y, Zeng Y. Comparing the peri-implantation endometrial T-bet/GATA3 ratio between control fertile women and patients with recurrent miscarriage: establishment and application of a reference range. Hum Reprod 2023; 38:1680-1689. [PMID: 37353913 DOI: 10.1093/humrep/dead132] [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: 08/25/2022] [Revised: 04/29/2023] [Indexed: 06/25/2023] Open
Abstract
STUDY QUESTION Is the ratio of endometrial T-box expressed in T cell (T-bet) and GATA-binding protein 3 (GATA3) changed in patients with recurrent miscarriage (RM) compared to fertile controls? SUMMARY ANSWER Our study showed a significantly higher T-bet/GATA3 ratio in patients with RM compared with fertile controls. WHAT IS KNOWN ALREADY The endometrial T-bet (Th1 lineage-committed transcription factor)/GATA3 (Th2 lineage-committed transcription factor) ratio could represent the Th1/Th2 balance, which is particularly important for healthy pregnancy. However, a reliable reference range for the T-bet/GATA3 ratio during the peri-implantation period has not yet been established for use in clinical practice. STUDY DESIGN, SIZE, DURATION This was a retrospective study carried out in a private fertility center. The control group included 120 women in couples undergoing IVF treatment for male infertility, who had experienced a live-birth baby following the first IVF cycle. The study group included 93 women diagnosed with RM that experienced at least two consecutive clinically spontaneous miscarriages before gestational week 12. The ratio of T-bet/GATA3 was calculated in the control group and RM group. PARTICIPANTS/MATERIALS, SETTING, METHODS Endometrium samples were collected at mid-luteal phase of the menstrual cycle prior to IVF treatment or pregnancy. The percentage of T-bet+ and GATA3+ cells in total endometrial cells was analyzed using immunohistochemical staining and quantitative analysis. MAIN RESULTS AND THE ROLE OF CHANCE Using the 95th percentile to define the upper limits of the endometrial T-bet/GATA3 ratio during the mid-luteal phase, the reference range of control fertile women was ≤0.22. Compared with the control group, the RM group exhibited a significantly higher T-bet/GATA3 ratio (P = 0.02), and 19.4% (18/93) women with RM exhibited a T-bet/GATA3 ratio above the reference range in the mid-luteal phase. LIMITATIONS, REASONS FOR CAUTION All patients were recruited from a single center. The stability and clinical value of the endometrial T-bet/GATA3 ratio require further investigation. WIDER IMPLICATIONS OF THE FINDINGS The present study suggests that an abnormal endometrial T-bet/GATA3 ratio may be one of the risk factors of RM. Further studies are needed to follow up the pregnancy outcomes in patients with RM with normal and abnormal endometrial T-bet/GATA3 ratio according to the reference range. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by Shenzhen Fundamental Research Program (JCYJ20180228164631121, JCYJ20190813161203606, JCYJ20220530172817039). There are no conflicts of interest to declare. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Shuyi Yu
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
- Shenzhen Jinxin Medical Technology Innovation Center, Co., Ltd., Shenzhen, China
| | - Lianghui Diao
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
- Shenzhen Jinxin Medical Technology Innovation Center, Co., Ltd., Shenzhen, China
| | - Ruochun Lian
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Cong Chen
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Chunyu Huang
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
- Shenzhen Jinxin Medical Technology Innovation Center, Co., Ltd., Shenzhen, China
| | - Xinyuan Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
- Shenzhen Jinxin Medical Technology Innovation Center, Co., Ltd., Shenzhen, China
| | - Yuye Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
- Shenzhen Jinxin Medical Technology Innovation Center, Co., Ltd., Shenzhen, China
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-Implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
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Milesi MM, Durando M, Lorenz V, Gastiazoro MP, Varayoud J. Postnatal exposure to endosulfan affects uterine development and fertility. Mol Cell Endocrinol 2020; 511:110855. [PMID: 32437785 DOI: 10.1016/j.mce.2020.110855] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 03/30/2020] [Accepted: 04/29/2020] [Indexed: 12/16/2022]
Abstract
Endosulfan is an organochlorine pesticide (OCP) used in large-scale agriculture for controlling a variety of insects and mites that attack food and non-food crops. Although endosulfan has been listed in the Stockholm Convention as a persistent organic pollutant to be worldwide banned, it is still in use in some countries. Like other OCPs, endosulfan is bioaccumulative, toxic and persistent in the environment. Human unintentional exposure may occur through air inhalation, dietary, skin contact, as well as, via transplacental route and breast feeding. Due to its lipophilic nature, endosulfan is rapidly absorbed into the gastrointestinal tract and bioaccumulates in the fatty tissues. Similar to other OCPs, endosulfan has been classified as an endocrine disrupting chemical (EDC). Endocrine action of endosulfan on development and reproductive function of males has been extensively discussed; however, endosulfan effects on the female reproductive tract have received less attention. This review provides an overview of: i) the fate and levels of endosulfan in the environment and human population, ii) the potential estrogenic properties of endosulfan in vitro and in vivo, iii) its effects on uterine development, and iv) the long-term effects on female fertility and uterine functional differentiation during early gestation.
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Affiliation(s)
- M M Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 242, 3000, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina.
| | - M Durando
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 242, 3000, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - V Lorenz
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 242, 3000, Santa Fe, Argentina
| | - M P Gastiazoro
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 242, 3000, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - J Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 242, 3000, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
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Zavattieri L, Ferrero MC, Alonso Paiva IM, Sotelo AD, Canellada AM, Baldi PC. Brucella abortus Proliferates in Decidualized and Non-Decidualized Human Endometrial Cells Inducing a Proinflammatory Response. Pathogens 2020; 9:pathogens9050369. [PMID: 32408491 PMCID: PMC7281465 DOI: 10.3390/pathogens9050369] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/17/2020] [Accepted: 04/17/2020] [Indexed: 01/18/2023] Open
Abstract
Brucella spp. have been associated with abortion in humans and animals. Although the mechanisms involved are not well established, it is known that placental Brucella infection is accompanied by inflammatory phenomena. The ability of Brucella abortus to infect and survive in human endometrial stromal cells (T-HESC cell line) and the cytokine response elicited were evaluated. B. abortus was able to infect and proliferate in both non-decidualized and decidualized T-HESC cells. Intracellular proliferation depended on the expression of a functional virB operon in the pathogen. B. abortus internalization was inhibited by cytochalasin D and to a lower extent by colchicine, but was not affected by monodansylcadaverine. The infection did not induce cytotoxicity and did not alter the decidualization status of cells. B. abortus infection elicited the secretion of IL-8 and MCP-1 in either decidualized or non-decidualized T-HESC, a response also induced by heat-killed B. abortus and outer membrane vesicles derived from this bacterium. The stimulation of T-HESC with conditioned media from Brucella-infected macrophages induced the production of IL-6, MCP-1 and IL-8 in a dose-dependent manner, and this effect was shown to depend on IL-1β and TNF-α. The proinflammatory responses of T-HESC to B. abortus and to factors produced by infected macrophages may contribute to the gestational complications of brucellosis.
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Affiliation(s)
- Lucía Zavattieri
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
| | - Mariana C. Ferrero
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
| | - Iván M. Alonso Paiva
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
| | - Agustina D. Sotelo
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
| | - Andrea M. Canellada
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
| | - Pablo C. Baldi
- Facultad de Farmacia y Bioquímica, Cátedra de Inmunología, Universidad de Buenos Aires, Buenos Aires 1113, Argentina; (L.Z.); (M.C.F.); (I.M.A.P.); (A.D.S.); (A.M.C.)
- CONICET-Universidad de Buenos Aires, Instituto de Estudios de la Inmunidad Humoral (IDEHU), Buenos Aires 1033, Argentina
- Correspondence: ; Tel.: +54-11-5287-4419
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Milesi MM, Varayoud J, Ramos JG, Luque EH. Uterine ERα epigenetic modifications are induced by the endocrine disruptor endosulfan in female rats with impaired fertility. Mol Cell Endocrinol 2017; 454:1-11. [PMID: 28559116 DOI: 10.1016/j.mce.2017.05.028] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 05/24/2017] [Accepted: 05/24/2017] [Indexed: 01/30/2023]
Abstract
High ERα activity may disrupt the window of uterine receptivity, causing defective implantation. We investigated whether implantation failures prompted by endosulfan are associated with aberrant ERα uterine expression and DNA methylation status during the pre-implantation period. ERα-dependent target genes that play a crucial role in the uterine receptivity for embryo attachment and implantation were also investigated. Newborn female rats received corn oil (vehicle, Control), 6 μg/kg/d of endosulfan (Endo6) or 600 μg/kg/d of endosulfan (Endo600) on postnatal days (PND) 1, 3, 5, and 7. On PND90, females were made pregnant and on gestational day 5 (GD5, pre-implantation period) uterine samples were collected. ERα expression was assessed at protein and mRNA levels by immunohistochemistry and real time RT-PCR, respectively. ERα transcript variants mRNA containing alternative 5'-untranslated regions (5'UTRs) were also evaluated. We searched for predicted transcription factors binding sites in ERα regulatory regions and assessed their methylation status by Methylation-Sensitive Restriction Enzymes-PCR technique (MSRE-PCR). The expression of the ERα-dependent uterine target genes, i.e. mucin-1 (MUC-1), insulin-like growth factor-1 (IGF-1), and leukemia inhibitory factor (LIF), was assessed by real time RT-PCR. Both doses of endosulfan increased the expression of ERα and its transcript variants ERα-OS, ERα-O, ERα-OT and ERα-E1. Moreover, a decreased DNA methylation levels were detected in some ERα regulatory regions, suggesting an epigenetic up-regulation of it transcription. ERα overexpression was associated with an induction of its downstream genes, MUC-1 and IGF-1, suggesting that endosulfan might alter the uterine estrogenic pathway compromising uterine receptivity. These alterations could account, at least in part, for the endosulfan-induced implantation failures.
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Affiliation(s)
- María M Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina.
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Jorge G Ramos
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
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Predictive Biomarkers May allow Precision Therapy of Endometriosis. JOURNAL OF ENDOMETRIOSIS AND PELVIC PAIN DISORDERS 2017; 9:279-285. [DOI: 10.5301/jeppd.5000311] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Introduction Endometriosis is a chronic inflammatory gynecological disorder that causes pelvic pain. Due to the heterogeneity of the disease, response to any treatment in an individual is variable. We aimed to develop in vitro testing that could be adapted for use in precision therapy for endometriosis. We piloted a personalized medicine approach by identifying predictive biomarkers while determining the effect of bazedoxifene (BZA) and medroxyprogesterone acetate (MPA) on the gene expression of a progesterone receptor (PR), an estrogen receptor (ER), and an aromatase (CYP19A1) enzyme in cells cultured from biopsies of endometriosis patients. The differential expression of the most common molecular targets in endometriosis therapy correlated with cellular response. Methods Primary eutopic endometrial stromal cells were cultured from endometrial biopsies obtained in secretory phase from women between 24 and 42 years old with moderate-to-severe endometriosis (stages III and IV). Exclusion criteria included use of hormonal treatments and intrauterine contraception in the 6 months prior to surgery. Cells were treated either with BZA, MPA, or vehicle control. Total RNA was extracted from the treated and untreated cells. Differential expression of genes that are involved in the pathogenesis of endometriosis was determined by quantitative reverse transcriptase-polymerase chain reaction analysis. Results After determining the baseline expression levels of PRA/B, ERα and CYP19A1, response to treatment was monitored using Ki-67 as a marker of cell proliferation. MPA was effective in blocking proliferation in the group expressing high levels of PRA/B. Endometrium expressing high levels of CYP19A1 preferentially responded to BZA, a selective estrogen receptor modulator known to block estrogen action in endometrium. Conclusions PR expression may predict progestin resistance in endometriosis while CYP19A1 expression may indicate the need to block estrogen signaling.
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Dragin N, Bismuth J, Cizeron-Clairac G, Biferi MG, Berthault C, Serraf A, Nottin R, Klatzmann D, Cumano A, Barkats M, Le Panse R, Berrih-Aknin S. Estrogen-mediated downregulation of AIRE influences sexual dimorphism in autoimmune diseases. J Clin Invest 2016; 126:1525-37. [PMID: 26999605 PMCID: PMC4811157 DOI: 10.1172/jci81894] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Accepted: 01/21/2016] [Indexed: 01/01/2023] Open
Abstract
Autoimmune diseases affect 5% to 8% of the population, and females are more susceptible to these diseases than males. Here, we analyzed human thymic transcriptome and revealed sex-associated differences in the expression of tissue-specific antigens that are controlled by the autoimmune regulator (AIRE), a key factor in central tolerance. We hypothesized that the level of AIRE is linked to sexual dimorphism susceptibility to autoimmune diseases. In human and mouse thymus, females expressed less AIRE (mRNA and protein) than males after puberty. These results were confirmed in purified murine thymic epithelial cells (TECs). We also demonstrated that AIRE expression is related to sexual hormones, as male castration decreased AIRE thymic expression and estrogen receptor α-deficient mice did not show a sex disparity for AIRE expression. Moreover, estrogen treatment resulted in downregulation of AIRE expression in cultured human TECs, human thymic tissue grafted to immunodeficient mice, and murine fetal thymus organ cultures. AIRE levels in human thymus grafted in immunodeficient mice depended upon the sex of the recipient. Estrogen also upregulated the number of methylated CpG sites in the AIRE promoter. Together, our results indicate that in females, estrogen induces epigenetic changes in the AIRE gene, leading to reduced AIRE expression under a threshold that increases female susceptibility to autoimmune diseases.
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Affiliation(s)
- Nadine Dragin
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Jacky Bismuth
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
| | | | - Maria Grazia Biferi
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Claire Berthault
- INSERM U668, Unit for Lymphopoiesis, Immunology Department, Pasteur Institute, Paris, France
- Université Paris Diderot, Sorbonne Paris Cité, Cellule Pasteur, Paris, France
| | - Alain Serraf
- Hôpital Marie Lannelongue, Le Plessis–Robinson, France
| | - Rémi Nottin
- Hôpital Marie Lannelongue, Le Plessis–Robinson, France
| | - David Klatzmann
- Assistance Publique – Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Biotherapy, Paris, France
| | - Ana Cumano
- INSERM U668, Unit for Lymphopoiesis, Immunology Department, Pasteur Institute, Paris, France
| | - Martine Barkats
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Rozen Le Panse
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Sonia Berrih-Aknin
- Sorbonne Universités, UPMC University of Paris 06, Paris, France
- INSERM U974, Paris, France
- CNRS FRE 3617, Paris, France
- AIM, Institute of Myology, Paris, France
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Wesa AK, Mandic M, Taylor JL, Moschos S, Kirkwood JM, Kwok WW, Finke JH, Storkus WJ. Circulating Type-1 Anti-Tumor CD4(+) T Cells are Preferentially Pro-Apoptotic in Cancer Patients. Front Oncol 2014; 4:266. [PMID: 25325015 PMCID: PMC4178427 DOI: 10.3389/fonc.2014.00266] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 09/10/2014] [Indexed: 12/21/2022] Open
Abstract
Cancer patients frequently exhibit a deficiency in Type-1 (but not Type-2 or regulatory) CD4+ T cell responses against tumor-associated antigens (TAA), which may limit protection against disease progression or responsiveness to immunotherapy in these individuals. Since such deficiency was acutely evident in patients with active disease (AD), where chronic stimulation of anti-tumor CD4+ T cells would be expected and activation-induced cell death may be prevalent, we employed MHC Class II-peptide tetramers to characterize the frequency and apoptotic status of TAA- vs. influenza (FluM1) virus-specific CD4+ T cells in the peripheral blood of HLA-DR*0401+ patients with melanoma or renal cell carcinoma. We observed that Flu-specific CD4+ T cells ranged from 0.17 to 3.89%, while up to approximately 1% of CD4+ T cells reacted against individual TAA epitopes derived from the EphA2 or MAGE-6 proteins. The frequencies of EphA2 and MAGE-6-specific CD4+ T cells in patients were significantly correlated with AD and gender of the patient (i.e., females > males), while frequencies of Flu-specific CD4+ T cells were distributed within a normal range in all patients. Notably, patient CD4+ T cells reactive with MHC class II-TAA (but not MHC class II-Flu) tetramers were significantly enriched for a pro-apoptotic (Annexin-V+) phenotype, particularly amongst the Th1 (T-bet+) subset. These results suggest that the preferential sensitivity of TAA (but not viral)-specific CD4+ Th1 cells to apoptosis in melanoma patients with AD will need to be overcome for optimal clinical benefit of immunotherapeutic approaches to be realized.
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Affiliation(s)
- Amy K Wesa
- Department of Dermatology, University of Pittsburgh , Pittsburgh, PA , USA ; Department of Immunology, University of Pittsburgh , Pittsburgh, PA , USA
| | - Maja Mandic
- Department of Dermatology, University of Pittsburgh , Pittsburgh, PA , USA
| | - Jennifer L Taylor
- Department of Dermatology, University of Pittsburgh , Pittsburgh, PA , USA
| | - Stergios Moschos
- Department of Medicine, University of Pittsburgh , Pittsburgh, PA , USA ; University of Pittsburgh Cancer Institute , Pittsburgh, PA , USA
| | - John M Kirkwood
- Department of Medicine, University of Pittsburgh , Pittsburgh, PA , USA ; University of Pittsburgh Cancer Institute , Pittsburgh, PA , USA
| | - William W Kwok
- Benaroya Research Institute at Virginia Mason University , Seattle, WA , USA
| | - James Harold Finke
- Department of Immunology, Cleveland Clinic Lerner Research Institute , Cleveland, OH , USA
| | - Walter J Storkus
- Department of Dermatology, University of Pittsburgh , Pittsburgh, PA , USA ; Department of Immunology, University of Pittsburgh , Pittsburgh, PA , USA ; University of Pittsburgh Cancer Institute , Pittsburgh, PA , USA
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Schutte SC, James CO, Sidell N, Taylor RN. Tissue-engineered endometrial model for the study of cell-cell interactions. Reprod Sci 2014; 22:308-15. [PMID: 25031317 DOI: 10.1177/1933719114542008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Endometrial stromal and epithelial cell cross talk is known to influence many of the dynamic changes that occur during the menstrual cycle. We modified our previous model and embedded telomerase-immortalized human endometrial stromal cells and Ishikawa adenocarcinoma epithelial cells in a collagen-Matrigel hydrogel to create a tissue-engineered model of the endometrium. Comparisons of single and cocultured cells examined communication between endometrial stromal and epithelial cells, which were cultured with 0 or 10 nmol/L 17β estradiol; conditioned medium was used to look at the production of paracrine factors. Using this model, we were able to identify the changes in interleukin 6 (IL-6) and active matrix metalloproteinase 2, which appear to be due to paracrine signaling and differences in transforming growth factor β1 (TGF-β1) that do not appear to be due to paracrine signaling. Moreover, IL-6, TGF-β1, and DNA content were also affected by the presence of estradiol in many of the tissues. These results indicate that paracrine and endocrine signaling are involved in human endometrial responses and support the use of coculture models to further investigate cell-cell and cell-matrix interactions.
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Affiliation(s)
- Stacey C Schutte
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Christopher O James
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Neil Sidell
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Robert N Taylor
- Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Woo C, Shin S, Koh S, Lim J. TBX21 participates in innate immune response by regulating Toll-like receptor 2 expression inStreptococcus pneumoniaeinfections. Mol Oral Microbiol 2014; 29:233-43. [DOI: 10.1111/omi.12061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2014] [Indexed: 11/29/2022]
Affiliation(s)
- C.H. Woo
- Department of Pharmacology; Yeungnam University College of Medicine; Daegu Korea
| | - S.G. Shin
- Department of Microbiology; Ewha Womans University School of Medicine; Seoul Korea
| | - S.H. Koh
- Department of Microbiology; Ewha Womans University School of Medicine; Seoul Korea
| | - J.H. Lim
- Department of Microbiology; Ewha Womans University School of Medicine; Seoul Korea
- Gonda Department of Cell and Molecular Biology; House Ear Institute; Los Angeles CA USA
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