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Chen ST, Ran F, Shi WW, Liu CK, Wang PC, Luo HN, Yang ZM. Tryptophan in the mouse diet is essential for embryo implantation and decidualization. Front Endocrinol (Lausanne) 2024; 15:1356914. [PMID: 38752181 PMCID: PMC11094255 DOI: 10.3389/fendo.2024.1356914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 04/02/2024] [Indexed: 05/18/2024] Open
Abstract
Introduction Nutritional deficiency occurs frequently during pregnancy and breastfeeding. Tryptophan (Trp), an essential amino acid which is critical for protein synthesis, serves as the precursor for serotonin, melatonin, and kynurenine (Kyn). The imbalance between serotonin and kynurenine pathways in Trp metabolism is closely related to inflammation and depression. This study assessed the effects of Trp deficiency on mouse early pregnancy. Methods Embryo implantation and decidualization were analyzed after female mice had been fed diets containing 0.2% Trp (for the control group), 0.062% Trp (for the low Trp group) and 0% Trp (for the Trp-free group) for two months. The uteri of the mice were collected on days 4, 5, and 8 of pregnancy for further analysis. Results On day 8 of pregnancy, the number of implantation sites were found to be similar between the control and the low Trp groups. However, no implantation sites were detected in the Trp-free group. On day 5 of pregnancy, plane polarity- and decidualization-related molecules showed abnormal expression pattern in the Trp-free group. On day 4 of pregnancy, there was no significant difference in uterine receptivity molecules between the low-Trp group and the control group, but uterine receptivity was abnormal in the Trp-free group. At implantation sites of the Trp-free group, IDO and AHR levels were markedly elevated. This potentially increased levels of Kyn, 2-hydroxy estradiol, and 4-hydroxy estradiol to affect decidualization. Conclusions Trp-free diet may impair decidualization via the IDO-KYN-AHR pathway.
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Affiliation(s)
- Si-Ting Chen
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountain Region, College of Animal Science, Guizhou University, Guiyang, China
| | - Feng Ran
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountain Region, College of Animal Science, Guizhou University, Guiyang, China
| | - Wen-Wen Shi
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Cheng-Kan Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Peng-Chao Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Hui-Na Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Zeng-Ming Yang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountain Region, College of Animal Science, Guizhou University, Guiyang, China
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Ding X, Jin Y, Shi X, Wang Y, Jin Z, Yin L, Gao S, Lei Y, Yang J. TDO2 promotes bladder cancer progression via AhR-mediated SPARC/FILIP1L signaling. Biochem Pharmacol 2024; 223:116172. [PMID: 38552852 DOI: 10.1016/j.bcp.2024.116172] [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: 12/14/2023] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024]
Abstract
The enzyme tryptophan 2,3-dioxygenase (TDO2) has been implicated in the dysregulation across a variety of human cancers. Despite this association, the implications of TDO2 in the progression of bladder cancer have eluded thorough understanding. In this study, we demonstrate that TDO2 expression is notably elevated in bladder cancer tissues and serves as an unfavorable prognostic factor for overall survival. Through a series of biological functional assays, we have determined that TDO2 essentially enhances cell proliferation, metastatic potential, and imparts a decreased sensitivity to the chemotherapeutic agent cisplatin. Our mechanistic investigations reveal that TDO2 augments aryl hydrocarbon receptor (AhR) signaling pathways and subsequently upregulates the expression of SPARC and FILIP1L. Importantly, we have identified a positive correlation between TDO2 levels and the basal/squamous subtype of bladder cancer, and we provide evidence to suggest that TDO2 expression is modulated by the tumor suppressors RB1 and TP53. From a therapeutic perspective, we demonstrate that the targeted inhibition of TDO2 with the molecular inhibitor 680C91 markedly attenuates tumor growth and metastasis while concurrently enhancing the efficacy of cisplatin. These findings open a new therapeutic avenue for the management of bladder cancer.
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Affiliation(s)
- Xiaoju Ding
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yunjie Jin
- Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiaokai Shi
- Department of Urology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, China
| | - Yidi Wang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhibo Jin
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lei Yin
- Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China; Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shenglin Gao
- Department of Urology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, China; Department of Urology, Gonghe County Hospital of Traditional Chinese Medicine, Qinghai, China; Changzhou Medical Center, Nanjing Medical University, Changzhou, China.
| | - Yibo Lei
- Department of Otology, Otolaryngology Hospital, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
| | - Jinjian Yang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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Human Chorionic Gonadotropin-Stimulated Interleukin-4-Induced-1 (IL4I1) Promotes Human Decidualization via Aryl Hydrocarbon Receptor. Int J Mol Sci 2023; 24:ijms24043163. [PMID: 36834576 PMCID: PMC9959871 DOI: 10.3390/ijms24043163] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 02/08/2023] Open
Abstract
Decidualization is necessary for the successful establishment of early pregnancy in rodents and humans. Disturbed decidualization results in recurrent implantation failure, recurrent spontaneous abortion, and preeclampsia. Tryptophan (Trp), one of the essential amino acids in humans, has a positive effect on mammalian pregnancy. Interleukin 4-induced gene 1 (IL4I1) is a recently identified enzyme that can metabolize L-Trp to activate aryl hydrocarbon receptor (AHR). Although IDO1-catalyzed kynurenine (Kyn) from Trp has been shown to enhance human in vitro decidualization via activating AHR, whether IL4I1-catalyzed metabolites of Trp are involved in human decidualization is still unknown. In our study, human chorionic gonadotropin stimulates IL4I1 expression and secretion from human endometrial epithelial cells through ornithine decarboxylase-induced putrescine production. Either IL4I1-catalyzed indole-3-pyruvic acid (I3P) or its metabolite indole-3-aldehyde (I3A) from Trp is able to induce human in vitro decidualization by activating AHR. As a target gene of AHR, Epiregulin induced by I3P and I3A promotes human in vitro decidualization. Our study indicates that IL4I1-catalyzed metabolites from Trp can enhance human in vitro decidualization through AHR-Epiregulin pathway.
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4
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Pallotta MT, Rossini S, Suvieri C, Coletti A, Orabona C, Macchiarulo A, Volpi C, Grohmann U. Indoleamine 2,3-dioxygenase 1 (IDO1): an up-to-date overview of an eclectic immunoregulatory enzyme. FEBS J 2022; 289:6099-6118. [PMID: 34145969 PMCID: PMC9786828 DOI: 10.1111/febs.16086] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/04/2021] [Accepted: 06/18/2021] [Indexed: 12/30/2022]
Abstract
Indoleamine 2,3-dioxygenase 1 (IDO1) catalyzes the initial rate-limiting step in the degradation of the essential amino acid tryptophan along the kynurenine pathway. When discovered more than 50 years ago, IDO1 was thought to be an effector molecule capable of mediating a survival strategy based on the deprivation of bacteria and tumor cells of the essential amino acid tryptophan. Since 1998, when tryptophan catabolism was discovered to be crucially involved in the maintenance of maternal T-cell tolerance, IDO1 has become the focus of several laboratories around the world. Indeed, IDO1 is now considered as an authentic immune regulator not only in pregnancy, but also in autoimmune diseases, chronic inflammation, and tumor immunity. However, in the last years, a bulk of new information-including structural, biological, and functional evidence-on IDO1 has come to light. For instance, we now know that IDO1 has a peculiar conformational plasticity and, in addition to a complex and highly regulated catalytic activity, is capable of performing a nonenzymic function that reprograms the expression profile of immune cells toward a highly immunoregulatory phenotype. With this state-of-the-art review, we aimed at gathering the most recent information obtained for this eclectic protein as well as at highlighting the major unresolved questions.
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Affiliation(s)
| | - Sofia Rossini
- Department of Medicine and SurgeryUniversity of PerugiaItaly
| | - Chiara Suvieri
- Department of Medicine and SurgeryUniversity of PerugiaItaly
| | - Alice Coletti
- Department of Pharmaceutical SciencesUniversity of PerugiaItaly
| | - Ciriana Orabona
- Department of Medicine and SurgeryUniversity of PerugiaItaly
| | | | - Claudia Volpi
- Department of Medicine and SurgeryUniversity of PerugiaItaly
| | - Ursula Grohmann
- Department of Medicine and SurgeryUniversity of PerugiaItaly
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Hutchinson AP, Yin P, Neale I, Coon JS, Kujawa SA, Liu S, Bulun SE. Tryptophan 2,3-Dioxygenase-2 in Uterine Leiomyoma: Dysregulation by MED12 Mutation Status. Reprod Sci 2022; 29:743-749. [PMID: 35064560 PMCID: PMC8863695 DOI: 10.1007/s43032-022-00852-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 01/08/2022] [Indexed: 01/17/2023]
Abstract
Uterine leiomyomas (fibroids) are common benign tumors in women. The tryptophan metabolism through the kynurenine pathway plays important roles in tumorigenesis in general. Leiomyomas expressing mutated mediator complex subunit 12 (mut-MED12) were reported to contain significantly decreased tryptophan levels; the underlying mechanism and the role of the tryptophan metabolism-kynurenine pathway in leiomyoma tumorigenesis, however, remain unknown. We here assessed the expression and regulation of the key enzymes that metabolize tryptophan. Among these, the tissue mRNA levels of tryptophan 2,3-dioxygenase (TDO2), the rate limiting enzyme of tryptophan metabolism through the kynurenine pathway, was 36-fold higher in mut-MED12 compared to adjacent myometrium (P < 0.0001), and 14-fold higher compared to wild type (wt)-MED12 leiomyoma (P < 0.05). The mRNA levels of other tryptophan metabolizing enzymes, IDO1 and IDO2, were low and not significantly different, suggesting that TDO2 is the key enzyme responsible for reduced tryptophan levels in mut-MED12 leiomyoma. R5020 and medroxyprogesterone acetate (MPA), two progesterone agonists, regulated TDO2 gene expression in primary myometrial and leiomyoma cells expressing wt-MED12; however, this effect was absent or blunted in leiomyoma cells expressing G44D mut-MED12. These data suggest that MED12 mutation may alter progesterone-mediated TDO2 expression in leiomyoma, leading to lower levels of tryptophan in mut-MED12 leiomyoma. This highlights that fibroids can vary widely in their response to progesterone as a result of mutation status and provides some insight for understanding the effect of tryptophan-kynurenine pathway on leiomyoma tumorigenesis and identifying targeted interventions for fibroids based on their distinct molecular signatures.
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Affiliation(s)
- Anne P Hutchinson
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
| | - Ping Yin
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
| | - Ilona Neale
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
| | - John S Coon
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
| | - Stacy A Kujawa
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
| | - Shimeng Liu
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Serdar E Bulun
- Department of Obstetrics and Gynecology, Division of Reproductive Science in Medicine, Feinberg School of Medicine, Prentice Women's Hospital, Northwestern University, 250 E. Superior Street , Chicago, IL, 60611, USA.
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Chuang TD, Quintanilla D, Boos D, Khorram O. Tryptophan catabolism is dysregulated in leiomyomas. Fertil Steril 2021; 116:1160-1171. [PMID: 34116832 DOI: 10.1016/j.fertnstert.2021.05.081] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To determine the expression and functional roles of indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO2) in leiomyoma. DESIGN Experimental study. SETTING Academic research laboratory. PATIENT(S) Women undergoing hysterectomy for leiomyoma. INTERVENTION(S) Blockade of IDO1 and TDO2. MAIN OUTCOME MEASURE(S) Expression of IDO1 and TDO2 in leiomyoma and the effects of their inhibitors on the extracellular matrix. RESULT(S) Leiomyoma expressed significantly higher levels of IDO1 and TDO2 messenger ribonucleic acid (mRNA; 60.3%, 35/58 pairs and 98.3%, 57/58 pairs, respectively) and protein (54%, 27/50 pairs and 92%, 46/50 pairs, respectively) as well as the enzyme activity marker kynurenine (78.3%, 36/46 pairs for IDO1/TDO2) compared with levels in matched myometrium. The expression of TDO2 but not IDO1 mRNA was significantly higher in fibroids from African American compared with that in Caucasian and Hispanic patients. The TDO2 but not the IDO1 protein and mRNA levels were more abundant in fibroids bearing the MED12 mutation compared with results in wild-type leiomyomas. Treatment of leiomyoma smooth muscle cell and myometrial smooth muscle cell spheroids with the TDO2 inhibitor 680C91 but not the IDO1 inhibitor epacadostat significantly repressed cell proliferation and the expression of collagen type I (COL1A1) and type III (COL3A1) in a dose-dependent manner; these effects were more pronounced in leiomyoma smooth muscle cells compared with myometrial smooth muscle cell spheroids. CONCLUSION(S) These results underscore the physiological significance of the tryptophan degradation pathway in the pathogenesis of leiomyomas and the potential utility of anti-TDO2 drugs for treatment of leiomyomas.
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Affiliation(s)
- Tsai-Der Chuang
- Department of Obstetrics and Gynecology, Harbor-University of California-Los Angeles Medical Center and The Lundquist Institute, Torrance, California
| | - Derek Quintanilla
- Department of Obstetrics and Gynecology, Harbor-University of California-Los Angeles Medical Center and The Lundquist Institute, Torrance, California
| | - Drake Boos
- Department of Obstetrics and Gynecology, Harbor-University of California-Los Angeles Medical Center and The Lundquist Institute, Torrance, California
| | - Omid Khorram
- Department of Obstetrics and Gynecology, Harbor-University of California-Los Angeles Medical Center and The Lundquist Institute, Torrance, California.
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7
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Li Y, Li J, Shen Y, Xiong Y, Li X, Qin Z. Identification of estrogen receptor target genes involved in gonadal feminization caused by estrogen in Xenopus laevis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 232:105760. [PMID: 33515924 DOI: 10.1016/j.aquatox.2021.105760] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/10/2021] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Estrogens and estrogenic endocrine disrupting chemicals can cause gonadal feminization in some vertebrates mainly through estrogen receptor (ER), but the underlying molecular mechanisms are unclear. The present study aimed to identify ER target genes involved in estrogen-caused gonadal feminization in Xenopus laevis. Based on our recent transcriptomic data that 10 nM 17β-estradiol (E2) altered gene transcription in feminizing gonads of male X. laevis at NF stages 48, 50, and 52, we searched estrogen response element (ERE) using the Dragon ERE Finder software in the promoter region of all the E2-regulated genes. As a result, 163 genes containing ERE sequence were identified as predicted ER target genes at NF stage 50 (on the 14th day postfertilization), a crucial stage for gonadal feminization. Then, some of these predicted ER target genes were further investigated, mainly including the genes that were suggested to be involved in E2-caused gonadal feminization and genes being dramatically up or down-regulated by E2. Fifteen genes were demonstrated to be responsive to E2, in turn ER antagonist blocked the E2-regulated transcription. Finally, we identified 10 genes that can bind to ERα by a chromatin immunoprecipitation-qPCR. Taken together, we identified the 10 genes that contain predicted ERE sequences, are responsive to estrogen and ER antagonist, and have ability to bind to ER as ER target genes, including pglyrp2, apoa1, fgb, tdo2, ca6, nags, cpb2, tmprss6, nudc, zwilch. Our results could help to improve the understanding of the molecular mechanisms for gonadal feminization caused by estrogenic endocrine disrupting chemicals in X. laevis, and even in other species.
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Affiliation(s)
- Yuanyuan Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinbo Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanping Shen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yiming Xiong
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xinghong Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhanfen Qin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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8
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Engin AB, Engin A. Indoleamine 2,3-Dioxygenase Activity-Induced Acceleration of Tumor Growth, and Protein Kinases-Related Novel Therapeutics Regimens. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1275:339-356. [PMID: 33539022 DOI: 10.1007/978-3-030-49844-3_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Indoleamine 2,3-dioxygenase (IDO) is overexpressed in response to interferon-gamma (IFN-γ). IDO-mediated degradation of tryptophan (Trp) along the kynurenine (Kyn) pathway by immune cells is associated with the anti-microbial, and anti-tumor defense mechanisms. In contrast, IDO is constitutively expressed by various tumors and creates an immunosuppressive microenvironment around the tumor tissue both by depletion of the essential amino acid Trp and by formation of Kyn, which is immunosuppressive metabolite of Trp. IDO may activate its own expression in human cancer cells via an autocrine aryl hydrocarbon receptor (AhR)- interleukin 6 (IL-6)-signal transducer and activator of transcription 3 (STAT3) signaling loop. Although IDO is not a unique marker, in many clinical trials serum IDO activity is suggested to be an important parameter in the pathogenesis of cancer development and growth. Measuring IDO activity in serum seems to be an indicator of cancer growth rate, however, it is controversial whether this approach can be used as a reliable guide in cancer patients treated with IDO inhibitors. Thus, IDO immunostaining is strongly recommended for the identification of higher IDO producing tumors, and IDO inhibitors should be included in post-operative complementary therapy in IDO positive cancer cases only. Novel therapies that target the IDO pathway cover checkpoint protein kinases related combination regimens. Currently, multi-modal therapies combining IDO inhibitors and checkpoint kinase blockers in addition to T regulatory (Treg) cell-modifying treatments seem promising.
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Affiliation(s)
- Ayse Basak Engin
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey.
| | - Atilla Engin
- Department of General Surgery, Faculty of Medicine, Gazi University, Ankara, Turkey
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Hoffmann D, Dvorakova T, Schramme F, Stroobant V, Van den Eynde BJ. Tryptophan 2,3-Dioxygenase Expression Identified in Murine Decidual Stromal Cells Is Not Essential for Feto-Maternal Tolerance. Front Immunol 2020; 11:601759. [PMID: 33363543 PMCID: PMC7752949 DOI: 10.3389/fimmu.2020.601759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 10/12/2020] [Indexed: 11/13/2022] Open
Abstract
Indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO) catalyze the rate-limiting step of tryptophan catabolism along the kynurenine pathway, which has important immuno suppressive properties, particularly in tumor cells and dendritic cells. The prominent expression of IDO1 in the placenta also suggested a role in preventing immune rejection of fetal tissues, and pharmacological inhibition of IDO1 induced abortion of allogeneic fetuses in mice. However, this was later challenged by the lack of rejection of allogeneic fetuses in IDO1-KO mice, suggesting that other mechanisms may compensate for IDO1 deficiency. Here we investigated whether TDO could contribute to feto-maternal tolerance and compensate for IDO1 deficiency in IDO1-KO mice. Expression of TDO mRNA was previously detected in placental tissues. We developed a new chimeric rabbit anti-TDO antibody to confirm TDO expression at the protein level and identify the positive cell type by immunohistochemistry in murine placenta. We observed massive TDO expression in decidual stromal cells, starting at day E3.5, peaking at day E6.5 then declining rapidly while remaining detectable until gestation end. IDO1 was also induced in decidual stromal cells, but only at a later stage of gestation when TDO expression declined. To determine whether TDO contributed to feto-maternal tolerance, we mated TDO-KO and double IDO1-TDO-KO females with allogeneic males. However, we did not observe reduced fertility. These results suggest that, despite its expression in decidual stromal cells, TDO is not a dominant mechanism of feto-maternal tolerance able to compensate for the absence of IDO1. Redundant additional mechanisms of immunosuppression likely take over in these KO mice. The massive expression of TDO during decidualization might suggest a role of TDO in angiogenesis or vessel tonicity, as previously described for IDO1.
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Affiliation(s)
- Delia Hoffmann
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Tereza Dvorakova
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Florence Schramme
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Vincent Stroobant
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Benoit J Van den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium.,Walloon Excellence in Life Sciences and Biotechnology, Brussels, Belgium
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10
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Zhai L, Bell A, Ladomersky E, Lauing KL, Bollu L, Sosman JA, Zhang B, Wu JD, Miller SD, Meeks JJ, Lukas RV, Wyatt E, Doglio L, Schiltz GE, McCusker RH, Wainwright DA. Immunosuppressive IDO in Cancer: Mechanisms of Action, Animal Models, and Targeting Strategies. Front Immunol 2020; 11:1185. [PMID: 32612606 PMCID: PMC7308527 DOI: 10.3389/fimmu.2020.01185] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 05/13/2020] [Indexed: 12/24/2022] Open
Abstract
Indoleamine 2, 3-dioxygenase 1 (IDO; IDO1; INDO) is a rate-limiting enzyme that metabolizes the essential amino acid, tryptophan, into downstream kynurenines. Canonically, the metabolic depletion of tryptophan and/or the accumulation of kynurenine is the mechanism that defines how immunosuppressive IDO inhibits immune cell effector functions and/or facilitates T cell death. Non-canonically, IDO also suppresses immunity through non-enzymic effects. Since IDO targeting compounds predominantly aim to inhibit metabolic activity as evidenced across the numerous clinical trials currently evaluating safety/efficacy in patients with cancer, in addition to the recent disappointment of IDO enzyme inhibitor therapy during the phase III ECHO-301 trial, the issue of IDO non-enzyme effects have come to the forefront of mechanistic and therapeutic consideration(s). Here, we review enzyme-dependent and -independent IDO-mediated immunosuppression as it primarily relates to glioblastoma (GBM); the most common and aggressive primary brain tumor in adults. Our group's recent discovery that IDO levels increase in the brain parenchyma during advanced age and regardless of whether GBM is present, highlights an immunosuppressive synergy between aging-increased IDO activity in cells of the central nervous system that reside outside of the brain tumor but collaborate with GBM cell IDO activity inside of the tumor. Because of their potential value for the in vivo study of IDO, we also review current transgenic animal modeling systems while highlighting three new constructs recently created by our group. This work converges on the central premise that maximal immunotherapeutic efficacy in subjects with advanced cancer requires both IDO enzyme- and non-enzyme-neutralization, which is not adequately addressed by available IDO-targeting pharmacologic approaches at this time.
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Affiliation(s)
- Lijie Zhai
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - April Bell
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Erik Ladomersky
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Kristen L. Lauing
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lakshmi Bollu
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jeffrey A. Sosman
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
| | - Bin Zhang
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jennifer D. Wu
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Stephen D. Miller
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Joshua J. Meeks
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Rimas V. Lukas
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Division of Neuro-Oncology, Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Eugene Wyatt
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Transgenic and Targeted Mutagenesis Laboratory, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lynn Doglio
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Transgenic and Targeted Mutagenesis Laboratory, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Gary E. Schiltz
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Center for Molecular Innovation and Drug Discovery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Robert H. McCusker
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Derek A. Wainwright
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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11
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Yu HF, Duan CC, Yang ZQ, Wang YS, Yue ZP, Guo B. Malic enzyme 1 is important for uterine decidualization in response to progesterone/cAMP/PKA/HB-EGF pathway. FASEB J 2020; 34:3820-3837. [PMID: 31944402 DOI: 10.1096/fj.201902289r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/12/2019] [Accepted: 12/21/2019] [Indexed: 01/17/2023]
Abstract
Malic enzyme 1 (Me1), a member of the malic enzymes involving in glycolytic pathway and citric acid cycle, is essential for the energy metabolism and maintenance of intracellular redox balance state, but its physiological role and regulatory mechanism in the uterine decidualization are still unknown. Current study showed that Me1 was strongly expressed in decidual cells, and could promote the proliferation and differentiation of stromal cells followed by an accelerated cell cycle transition, indicating an importance of Me1 in the uterine decidualization. Silencing of Me1 attenuated NADPH generation and reduced GR activity, while addition of NADPH improved the defect of GR activity elicited by Me1 depletion. Further analysis found that Me1 modulated intracellular GSH content via GR. Meanwhile, Me1 played a role in maintaining mitochondrial function as indicated by these observations that blockadge of Me1 led to the accumulation of mitochondrial O 2 - level and decreased ATP production and mtDNA copy numbers accompanied with defective mitochondrial membrane potential. In uterine stromal cells, progesterone induced Me1 expression through PR-cAMP-PKA pathway. Knockdown of HB-EGF might impede the regulation of progesterone and cAMP on Me1. Collectively, Me1 is essential for uterine decidualization in response to progesterone/cAMP/PKA/HB-EGF pathway and plays an important role in preventing mitochondrial dysfunction.
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Affiliation(s)
- Hai-Fan Yu
- College of Veterinary Medicine, Jilin University, Changchun, P. R. China
| | - Cui-Cui Duan
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun, P. R. China
| | - Zhan-Qing Yang
- College of Veterinary Medicine, Jilin University, Changchun, P. R. China
| | - Yu-Si Wang
- College of Veterinary Medicine, Jilin University, Changchun, P. R. China
| | - Zhan-Peng Yue
- College of Veterinary Medicine, Jilin University, Changchun, P. R. China
| | - Bin Guo
- College of Veterinary Medicine, Jilin University, Changchun, P. R. China
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12
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Hoffmann D, Pilotte L, Stroobant V, Van den Eynde BJ. Induction of tryptophan 2,3-dioxygenase expression in human monocytic leukemia/lymphoma cell lines THP-1 and U937. Int J Tryptophan Res 2020; 12:1178646919891736. [PMID: 31903023 PMCID: PMC6933542 DOI: 10.1177/1178646919891736] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/01/2019] [Indexed: 12/16/2022] Open
Abstract
Tumor-associated macrophages are immune cells with diverse functions in tumor development. Among other functions, they downregulate immune-mediated tumor rejection by depriving lymphocytes of nutrients. The essential amino acid tryptophan is metabolized by the enzymes indoleamine 2,3-dioxygenase 1 and tryptophan 2,3-dioxygenase (TDO). Indoleamine 2,3-dioxygenase 1 is expressed in a large number of human tumors, and inhibitors are in development to improve immunotherapy. Tryptophan 2,3-dioxygenase was also found in human tumors and preclinical working models confirmed its immunosuppressive power. We explored a potential expression of TDO by macrophages. This enzyme could be induced in two human cell lines, THP-1 and U937, by incubation with phorbol myristate acetate, lipopolysaccharide, and interferon gamma. Phorbol-myristate-acetate-mediated induction was inhibited by rottlerin, a protein kinase C inhibitor. In contrast to these monocytic cell lines, other cell lines or fresh human monocytes isolated from peripheral blood mononuclear cells and differentiated into proinflammatory or anti-inflammatory macrophages could not be induced to express TDO. Our results suggest that TDO might play an immunosuppressive role in human monocytic leukemias but not in untransformed macrophages.
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Affiliation(s)
- Delia Hoffmann
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Luc Pilotte
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Vincent Stroobant
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium
| | - Benoit J Van den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium.,de Duve Institute, UCLouvain, Brussels, Belgium.,Walloon Excellence in Life Sciences and Biotechnology, Brussels, Belgium
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13
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Hoffmann D, Dvorakova T, Stroobant V, Bouzin C, Daumerie A, Solvay M, Klaessens S, Letellier MC, Renauld JC, van Baren N, Lelotte J, Marbaix E, Van den Eynde BJ. Tryptophan 2,3-Dioxygenase Expression Identified in Human Hepatocellular Carcinoma Cells and in Intratumoral Pericytes of Most Cancers. Cancer Immunol Res 2019; 8:19-31. [DOI: 10.1158/2326-6066.cir-19-0040] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 06/27/2019] [Accepted: 11/15/2019] [Indexed: 11/16/2022]
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14
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Ott TL. Symposium review: Immunological detection of the bovine conceptus during early pregnancy. J Dairy Sci 2019; 102:3766-3777. [PMID: 30712941 DOI: 10.3168/jds.2018-15668] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Accepted: 11/20/2018] [Indexed: 12/31/2022]
Abstract
Infertility and subfertility reduce the economic viability of dairy production. Inflammation reduces conception rates in dairy cattle, but surprisingly little information exists about the populations and the functions of immune cells at the conceptus-maternal interface during the periattachment period in dairy cattle. Early pregnancy is accompanied by immune stimulation at insemination and conceptus secretion of IFN-τ, pregnancy-associated glycoproteins, prostaglandins, and other molecules whose effects on immune function during early pregnancy have not been determined. Our working hypothesis is that pregnancy induces changes in immune cell populations and functions that are biased toward immunological tolerance, tissue remodeling, and angiogenesis. This review summarizes current knowledge, starting with insemination and proceeding through early pregnancy, as this is the period of maximal embryo loss. Results indicated that early pregnancy is accompanied by a marked increase in the proportion of endometrial immune cells expressing markers for natural killer (CD335) cells and cytotoxic T cells (CD8) along with an increase in cells expressing major histocompatibility class II antigens (macrophages and dendritic cells). This is accompanied by increased abundance of mRNA for IL-15, a natural killer growth factor, and IL-10 in the endometrium during early pregnancy. Furthermore, expression of indoleamine 2,3 dioxygenase was 15-fold greater in pregnant compared with cyclic heifers at d 17, but then declined by d 20. This enzyme converts tryptophan to kynurenine, which alters immune function by creating a localized tryptophan deficiency and by activation of the aryl hydrocarbon receptor and induction of downstream tolerogenic mediators. Expression of the aryl hydrocarbon receptor is abundant in the bovine uterus, but its temporal and spatial regulation during early pregnancy have not been characterized. Pregnancy is also associated with increased expression of proteins known to inhibit immune activation, including programed cell death ligand-1 (CD274), lymphocyte activation gene-3 (CD223), and cytotoxic T-lymphocyte associated protein-4 (CD152). These molecules interact with receptors on antigen-presenting cells and induce lymphocyte tolerance. Current results support the hypothesis that early pregnancy signaling in dairy heifers involves changes in the proportions of immune cells in the endometrium as well as induction of molecules known to mediate tolerance. These changes are likely essential for uterine wall remodeling, placentation, and successful pregnancy.
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Affiliation(s)
- Troy L Ott
- Department of Animal Science, Center for Reproductive Biology and Health, Huck Institutes of the Life Science, Pennsylvania State University, University Park 16802.
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15
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Rogers TJ, Christenson JL, Greene LI, O'Neill KI, Williams MM, Gordon MA, Nemkov T, D'Alessandro A, Degala GD, Shin J, Tan AC, Cittelly DM, Lambert JR, Richer JK. Reversal of Triple-Negative Breast Cancer EMT by miR-200c Decreases Tryptophan Catabolism and a Program of Immunosuppression. Mol Cancer Res 2018; 17:30-41. [PMID: 30213797 DOI: 10.1158/1541-7786.mcr-18-0246] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 08/13/2018] [Accepted: 09/06/2018] [Indexed: 12/18/2022]
Abstract
Tryptophan-2,3-dioxygenase (TDO2), a rate-limiting enzyme in the tryptophan catabolism pathway, is induced in triple-negative breast cancer (TNBC) by inflammatory signals and anchorage-independent conditions. TNBCs express extremely low levels of the miR-200 family compared with estrogen receptor-positive (ER+) breast cancer. In normal epithelial cells and ER+ breast cancers and cell lines, high levels of the family member miR-200c serve to target and repress genes involved in epithelial-to-mesenchymal transition (EMT). To identify mechanism(s) that permit TNBC to express TDO2 and other proteins not expressed in the more well-differentiated ER+ breast cancers, miRNA-200c was restored in TNBC cell lines. The data demonstrate that miR-200c targeted TDO2 directly resulting in reduced production of the immunosuppressive metabolite kynurenine. Furthermore, in addition to reversing a classic EMT signature, miR-200c repressed many genes encoding immunosuppressive factors including CD274/CD273, HMOX-1, and GDF15. Restoration of miR-200c revealed a mechanism, whereby TNBC hijacks a gene expression program reminiscent of that used by trophoblasts to suppress the maternal immune system to ensure fetal tolerance during pregnancy. IMPLICATIONS: Knowledge of the regulation of tumor-derived immunosuppressive factors will facilitate development of novel therapeutic strategies that complement current immunotherapy to reduce mortality for patients with TNBC.
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Affiliation(s)
- Thomas J Rogers
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Jessica L Christenson
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Lisa I Greene
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Kathleen I O'Neill
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Michelle M Williams
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Michael A Gordon
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Greg D Degala
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Jimin Shin
- Department of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Aik-Choon Tan
- Department of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Diana M Cittelly
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - James R Lambert
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Jennifer K Richer
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
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16
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Stoner R, Camilleri V, Calleja-Agius J, Schembri-Wismayer P. The cytokine-hormone axis - the link between premenstrual syndrome and postpartum depression. Gynecol Endocrinol 2017; 33:588-592. [PMID: 28443697 DOI: 10.1080/09513590.2017.1318367] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Premenstrual syndrome (PMS) and related disorders, and postpartum depression (PPD) can affect women to the extent that their quality of life and that of their near ones can be severely impaired. This review focuses on the different theories regarding the etiologies of PMS and PPD, and attempts to draw a link between the two. Theories focus mainly on hormonal and cytokine factors throughout different phases in the female reproductive cycle. Changes in this symptomatology during pregnancy are also reviewed, as are changes in hormones and cytokine levels. Hypotheses are thus developed as to why the symptoms experienced in PMS often subside during pregnancy yet may recur and be exacerbated after birth, giving rise to the symptoms experienced in PPD.
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Affiliation(s)
- Rebecca Stoner
- a Department of Anatomy , Faculty of Medicine and Surgery, University of Malta , Msida , Malta
| | - Victoria Camilleri
- a Department of Anatomy , Faculty of Medicine and Surgery, University of Malta , Msida , Malta
| | - Jean Calleja-Agius
- a Department of Anatomy , Faculty of Medicine and Surgery, University of Malta , Msida , Malta
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17
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Kukushkina V, Modhukur V, Suhorutšenko M, Peters M, Mägi R, Rahmioglu N, Velthut-Meikas A, Altmäe S, Esteban FJ, Vilo J, Zondervan K, Salumets A, Laisk-Podar T. DNA methylation changes in endometrium and correlation with gene expression during the transition from pre-receptive to receptive phase. Sci Rep 2017. [PMID: 28634372 PMCID: PMC5478666 DOI: 10.1038/s41598-017-03682-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The inner uterine lining (endometrium) is a unique tissue going through remarkable changes each menstrual cycle. Endometrium has its characteristic DNA methylation profile, although not much is known about the endometrial methylome changes throughout the menstrual cycle. The impact of methylome changes on gene expression and thereby on the function of the tissue, including establishing receptivity to implanting embryo, is also unclear. Therefore, this study used genome-wide technologies to characterize the methylome and the correlation between DNA methylation and gene expression in endometrial biopsies collected from 17 healthy fertile-aged women from pre-receptive and receptive phase within one menstrual cycle. Our study showed that the overall methylome remains relatively stable during this stage of the menstrual cycle, with small-scale changes affecting 5% of the studied CpG sites (22,272 out of studied 437,022 CpGs, FDR < 0.05). Of differentially methylated CpG sites with the largest absolute changes in methylation level, approximately 30% correlated with gene expression measured by RNA sequencing, with negative correlations being more common in 5' UTR and positive correlations in the gene 'Body' region. According to our results, extracellular matrix organization and immune response are the pathways most affected by methylation changes during the transition from pre-receptive to receptive phase.
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Affiliation(s)
- Viktorija Kukushkina
- Competence Centre on Health Technologies, Tartu, Estonia.,Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia.,Estonian Genome Center, University of Tartu, Tartu, Estonia
| | | | - Marina Suhorutšenko
- Competence Centre on Health Technologies, Tartu, Estonia.,Women's Clinic, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Maire Peters
- Competence Centre on Health Technologies, Tartu, Estonia.,Women's Clinic, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia
| | - Reedik Mägi
- Estonian Genome Center, University of Tartu, Tartu, Estonia
| | - Nilufer Rahmioglu
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | | | - Signe Altmäe
- Competence Centre on Health Technologies, Tartu, Estonia.,Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | | | - Jaak Vilo
- Institute of Computer Science, University of Tartu, Tartu, Estonia
| | - Krina Zondervan
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK.,Endometriosis CaRe Centre, Nuffield Department of Obstetrics & Gynaecology, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Andres Salumets
- Competence Centre on Health Technologies, Tartu, Estonia.,Women's Clinic, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia.,Institute of Bio- and Translational Medicine, University of Tartu, Tartu, Estonia.,Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Triin Laisk-Podar
- Competence Centre on Health Technologies, Tartu, Estonia. .,Women's Clinic, Institute of Clinical Medicine, University of Tartu, Tartu, Estonia.
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18
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Ochs K, Ott M, Rauschenbach KJ, Deumelandt K, Sahm F, Opitz CA, von Deimling A, Wick W, Platten M. Tryptophan-2,3-dioxygenase is regulated by prostaglandin E2 in malignant glioma via a positive signaling loop involving prostaglandin E receptor-4. J Neurochem 2016; 136:1142-1154. [PMID: 26708701 DOI: 10.1111/jnc.13503] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/16/2015] [Accepted: 12/18/2015] [Indexed: 01/21/2023]
Abstract
Malignant gliomas and other types of tumors generate a local immunosuppressive microenvironment, which prohibits an effective anti-tumor immune response and promotes tumor growth. Along with others, we have recently demonstrated that catabolism of the essential amino acid tryptophan via tryptophan-2,3-dioxygenase (TDO) is an important mechanism mediating tumor-associated immunosuppression particularly in gliomas. The pathways regulating TDO in tumors, however, are poorly understood. Here, we show that prostaglandins enhance TDO expression and enzymatic activity in malignant gliomas via activation of prostaglandin E receptor-4 (EP4). Stimulation with prostaglandin E2 (PGE2 ) up-regulated TDO-mediated kynurenine release in human glioma cell lines, whereas knockdown of the PGE2 receptor EP4 inhibited TDO expression and activity. In human malignant glioma tissue expression of the PGE2 -producing enzyme cyclooxygenase-2 (COX2) and its receptor EP4 were associated with TDO expression both on transcript and protein level. High expression of EP4 correlated with poor survival in malignant glioma patients WHO III-IV. Importantly, treatment of glioma cells with an EP4 inhibitor decreased TDO expression and activity. Moreover, TDO-over-expressing murine gliomas showed increased COX2 and EP4 expression suggesting a positive feedback mechanism in vivo. In summary, targeting EP4 may inhibit - in addition to immunosuppressive COX2 signaling - tryptophan degradation as another important immunosuppressive pathway and thus, could provide a dual clinically relevant immunotherapeutic avenue for the treatment of malignant gliomas. We proposed that in malignant gliomas prostaglandin E2 (PGE2 ) produced by cyclooxygenases (COX) up-regulates tryptophan-2,3-dioxygenase (TDO) expression and enzyme activity through binding to its Gs-coupled receptor EP4 and therefore may mediate tumor immune escape in part through aryl hydrocarbon receptor (AHR) activation. Moreover, TDO activity itself seems to induce intratumoral PGE2 metabolism suggesting an immunosuppressive loop involving COX/EP4/TDO.
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Affiliation(s)
- Katharina Ochs
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Martina Ott
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Katharina J Rauschenbach
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Katrin Deumelandt
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Felix Sahm
- Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neuropathology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Christiane A Opitz
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Brain Cancer Metabolism Group, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andreas von Deimling
- Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neuropathology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Wolfgang Wick
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael Platten
- Department of Neurology, University Hospital Heidelberg and National Center for Tumor Diseases, Heidelberg, Germany.,Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
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19
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Zhai L, Spranger S, Binder DC, Gritsina G, Lauing KL, Giles FJ, Wainwright DA. Molecular Pathways: Targeting IDO1 and Other Tryptophan Dioxygenases for Cancer Immunotherapy. Clin Cancer Res 2015; 21:5427-33. [PMID: 26519060 PMCID: PMC4681601 DOI: 10.1158/1078-0432.ccr-15-0420] [Citation(s) in RCA: 222] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 10/15/2015] [Indexed: 01/12/2023]
Abstract
Indoleamine 2, 3-dioxygenase 1 (IDO1), IDO2, and tryptophan 2, 3-dioxygenase (TDO) comprise a family of enzymes that catalyze the first- and rate-limiting step associated with the catabolic conversion of tryptophan (Trp) into kynurenine (Kyn). Through subsequent enzymatic and spontaneous reactions, Kyn is further converted into the energetic substrates, NAD(+) and ATP, to fuel cellular metabolic functions. Coincidently, the depletion of Trp and accumulation of Kyn has been demonstrated to induce effector T-cell apoptosis/dysfunction and immunosuppressive regulatory T-cell induction, respectively. Similar to other immune checkpoints, IDO1 and TDO are suggested to be important targets for immunotherapeutic intervention. This is represented by the recent growth of efforts to inhibit the Trp-to-Kyn pathway as a means to control immunosuppression. Inhibitors currently in clinical trials, INCB024360, GDC-0919, indoximod, and an IDO1 peptide-based vaccine, are being evaluated for their efficacy against a wide range of cancers including melanoma, glioblastoma, non-small cell lung, pancreatic, and/or breast cancer, as well as metastatic disease. Despite the rapid development of potent clinical grade inhibitors, strategic questions remain. Here, we review the state of the literature with respect to current therapeutic inhibitors of tryptophan catabolism, evaluation of those efforts preclinically and clinically, compensatory changes that occur with therapeutic targeting, as well as newly recognized signaling features that raise critical questions to the field. Given the rapidly evolving interest in determining how IDO1/TDO, and to an unknown extent, IDO2, can be targeted for increasing cancer immunotherapeutic efficacy, we present a brief but comprehensive analysis that addresses critical questions, while highlighting the mechanics that remain to be explored.
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Affiliation(s)
- Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Stefani Spranger
- Department of Pathology, The University of Chicago, Chicago, Illinois
| | - David C Binder
- Department of Pathology, The University of Chicago, Chicago, Illinois. Committee on Cancer Biology, The University of Chicago, Chicago, Illinois
| | - Galina Gritsina
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Francis J Giles
- Northwestern Medicine Developmental Therapeutics Institute, Northwestern University, Chicago, Illinois. Division of Hematology and Oncology, Northwestern University, Chicago, Illinois. Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, Illinois
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois. Northwestern Brain Tumor Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
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20
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Li DD, Guo CH, Yue L, Duan CC, Yang ZQ, Cao H, Guo B, Yue ZP. Expression, regulation and function of Hmgn3 during decidualization in mice. Mol Cell Endocrinol 2015; 413:13-25. [PMID: 26112184 DOI: 10.1016/j.mce.2015.05.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 05/26/2015] [Accepted: 05/27/2015] [Indexed: 01/12/2023]
Abstract
Although Hmgn3 is involved in the regulation of development and cellular differentiation, its physiological roles on decidualization are still unknown. Here we showed that Hmgn3 was highly expressed in the decidua and decidualizing stromal cells. Overexpression of Hmgn3 variants, Hmgn3a or Hmgn3b, enhanced the expression of decidualization markers Prl8a2 and Prl3c1, whereas inhibition of Hmgn3 reduced their expression. Hmgn3 could mediate the effects of Hoxa10 and cAMP on the expression of Prl8a2 and Prl3c1. Further study found that Hmgn3 directed the process of decidualization through influencing the expression of Hand2. Progesterone could induce the expression of Hmgn3 in the ovariectomized mouse uterus, uterine epithelial cells and stromal cells. Knockdown of Hoxa10 with siRNA alleviated the induction of progesterone and cAMP on Hmgn3 expression. Simultaneously, siRNA-mediated down-regulation of Hmgn3 in the uterine stromal cells could attenuate the effects of progesterone, cAMP and Hoxa10 on the expression of Hand2. Collectively, Hmgn3 may play an important role during mouse decidualization.
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Affiliation(s)
- Dang-Dang Li
- College of Veterinary Medicine, Jilin University, Changchun, PR China
| | - Chuan-Hui Guo
- College of Veterinary Medicine, Jilin University, Changchun, PR China
| | - Liang Yue
- College of Clinical Medicine, Jilin University, Changchun, PR China
| | - Cui-Cui Duan
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun, PR China
| | - Zhan-Qing Yang
- College of Veterinary Medicine, Jilin University, Changchun, PR China
| | - Hang Cao
- College of Veterinary Medicine, Jilin University, Changchun, PR China
| | - Bin Guo
- College of Veterinary Medicine, Jilin University, Changchun, PR China.
| | - Zhan-Peng Yue
- College of Veterinary Medicine, Jilin University, Changchun, PR China
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21
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Guo B, Tian XC, Li DD, Yang ZQ, Cao H, Zhang QL, Liu JX, Yue ZP. Expression, regulation and function of Egr1 during implantation and decidualization in mice. Cell Cycle 2015; 13:2626-40. [PMID: 25486203 DOI: 10.4161/15384101.2014.943581] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Abstract Early growth response gene 1 (Egr1), a zinc finger transcriptional factor, plays an important role in regulating cell proliferation, differentiation and angiogenesis. Current data have shown that Egr1 is involved in follicular development, ovulation, luteinization and placental angiogenesis. However, the expression, regulation and function of Egr1 in mouse uterus during embryo implantation and decidualization are poorly understood. Here we showed that Egr1 was strongly expressed in the subluminal stroma surrounding the implanting blastocyst on day 5 of pregnancy. Injection of Egr1 siRNA into the mouse uterine horn could obviously reduce the number of implanted embryos and affect the uterine vascular permeability. Further study found that Egr1 played a role through influencing the expression of cyclooxygenase-2 (Cox-2), microsomal prostaglandin E synthase 1 (mPGES-1), vascular endothelial growth factor (Vegf), transformation related protein 53 (Trp53) and matrix metallopeptidase 9 (Mmp9) genes in the process of mouse embryo implantation. Growth hormone (GH) and insulin-like growth factor 1 (IGF-1) might direct the expression of Egr1 in the uterine stromal cells. Under in vivo and in vitro artificial decidualization, Egr1 expression was significantly decreased. Overexpression of Egr1 downregulated the expression of decidual marker decidual/trophoblast PRL-related protein (Dtprp) in the uterine stromal cells, while inhibition of Egr1 upregulated the expression of Dtprp under in vitro decidualization. Estrogen and progesterone could regulate the expression of Egr1 in the ovariectomized mouse uterus and uterine stromal cells. These results suggest that Egr1 may be essential for embryo implantation and decidualization.
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Affiliation(s)
- Bin Guo
- a College of Veterinary Medicine ; Jilin University ; Changchun , P. R. China
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Li DD, Yin YH, Wu JY, Yang ZQ, Cao H, Zhang QL, Guo B, Yue ZP. Effects of Ido1 on mouse decidualization. Mol Biol 2015. [DOI: 10.1134/s0026893315030127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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van Baren N, Van den Eynde BJ. Tumoral Immune Resistance Mediated by Enzymes That Degrade Tryptophan. Cancer Immunol Res 2015; 3:978-85. [PMID: 26269528 DOI: 10.1158/2326-6066.cir-15-0095] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 06/03/2015] [Indexed: 11/16/2022]
Abstract
Cancer patients mount T-lymphocyte responses against antigens expressed selectively by their malignancy, but these responses often fail to control their disease, because tumors select mechanisms that allow them to resist immune destruction. Among the numerous resistance mechanisms that have been proposed, metabolic inhibition of T cells by tryptophan catabolism deserves particular attention, because of the frequent expression of tryptophan-degrading enzymes in human tumors, and because in vitro and in vivo studies have shown that their enzymatic activity can be readily blocked by pharmacologic inhibitors, thereby restoring T-cell-mediated tumor cell killing and paving the way to targeted therapeutic intervention. In view of recent observations, and taking into account the differences between human and mouse data that differ in several aspects, in this Cancer Immunology at the Crossroads article, we discuss the role of the three enzymes that have been proposed to control tryptophan catabolism in tumoral immune resistance: indoleamine 2,3-dioxygenase 1 (IDO1), tryptophan 2,3-dioxygenase (TDO), and indoleamine 2,3-dioxygenase 2 (IDO2).
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Affiliation(s)
- Nicolas van Baren
- Ludwig Institute for Cancer Research, Brussels, Belgium. de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Benoît J Van den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium. WELBIO (Walloon Excellence in Life Sciences and Biotechnology), Brussels, Belgium. de Duve Institute, Université catholique de Louvain, Brussels, Belgium.
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Differential expression and regulation of Ido2 in the mouse uterus during peri-implantation period. In Vitro Cell Dev Biol Anim 2014; 51:264-72. [PMID: 25408380 DOI: 10.1007/s11626-014-9833-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 10/01/2014] [Indexed: 10/24/2022]
Abstract
Ido2 is involved in tryptophan catabolism and immunity, but its physiological functions remain poorly understood. This study was undertaken to examine the expression and regulation of Ido2 gene in mouse uterus during the peri-implantation period. The results showed that Ido2 mRNA was highly expressed on day 4 of pregnancy and in the delayed implantation uterus. On days 5-8 of pregnancy, a low level of Ido2 expression was observed in the uteri. Simultaneously, Ido2 mRNA was also lowly expressed in the decidualized uterus. In the uterine stromal cells, 8-Br-cAMP could inhibit the expression of Ido2 mRNA. Moreover, Ido2 mRNA expression was gradually decreased after the stromal cells were treated with estrogen and progesterone and reached a nadir at 96 h. Further study found that overexpression of Ido2 could downregulate the expression of decidualization marker genes PRL, IGFBP1, and Dtprp under in vitro decidualization, while inhibition of Ido2 with devo-1-methyl-tryptophan (D-1-MT) could upregulate the expression of these marker genes. Under in vitro decidualization, overexpression of Ido2 could suppress the proliferation of uterine stromal cells and elevate the expression of Bax and MMP2 genes. On the contrary, Ido2 inhibitor D-1-MT could enhance the proliferation of stromal cells and expression of Bcl2 gene but decline the Bax/Bcl2 ratio. In the uterine stromal cells, estrogen and progesterone could induce the expression of Ido2 mRNA. These data indicate that Ido2 may be important for mouse embryo implantation and decidualization.
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