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Zhao SJ, Muyayalo KP, Luo J, Huang D, Mor G, Liao AH. Next generation of immune checkpoint molecules in maternal-fetal immunity. Immunol Rev 2022; 308:40-54. [PMID: 35234305 DOI: 10.1111/imr.13073] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 02/09/2022] [Indexed: 12/18/2022]
Abstract
Successful pregnancy is a unique situation requires the maternal immune system to recognize and tolerate a semi-identical fetus and allow normal invasion of trophoblast cells. Although efforts have been made, the deep mechanisms of the maternal-fetal crosstalk have not yet been fully deciphered. Immune checkpoint molecules (ICMs) are a group of negative modulators of the immune response that avoid immune damage. They have been extensively studied in the fields of oncology and transplantation, while the latest evidence suggests that they are closely associated with pregnancy outcomes via multiple inhibitory mechanisms. Although studies have mostly demonstrated the regulatory role of the well-known PD-1, CTLA-4 at the maternal-fetal interface, what is unique about the newly discovered multiple ICMs remains a mystery. Here, we review the latest knowledge on ICMs, focusing on the first generation of checkpoints (PD-1, CTLA-4) and the next generation (Tim-3, Tigit, Lag-3, VISTA) highlighting their immunoregulatory roles in maternal-fetal tolerance and decidual vascular remodeling, and their involvement in pathological pregnancies. The content covers three aspects: the characteristics they possess, the dynamic expression profile of their expression at the maternal-fetal interface, and their involvement in pathological pregnancy. In immunotherapy strategies for pregnancy complications, upregulation of immune checkpoints may play a role. Meanwhile, the impact on pregnancy outcomes when using ICMs in clinical cancer treatment during pregnancy is a topic worth exploring. These may serve as a guide for future basic research and clinical applications of maternal-fetal immunity.
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Affiliation(s)
- Si-Jia Zhao
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kahindo P Muyayalo
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Luo
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Donghui Huang
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gil Mor
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,C.S. Mott Center for Human Growth and Development, Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, USA
| | - Ai-Hua Liao
- Institute of Reproductive Health, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Abstract
The carcinoembryonic antigen (CEA) family comprises a large number of cellular surface molecules, the CEA-related cell adhesion molecules (CEACAMs), which belong to the Ig superfamily. CEACAMs exhibit a complex expression pattern in normal and malignant tissues. The majority of the CEACAMs are cellular adhesion molecules that are involved in a great variety of distinct cellular processes, for example in the integration of cellular responses through homo- and heterophilic adhesion and interaction with a broad selection of signal regulatory proteins, i.e., integrins or cytoskeletal components and tyrosine kinases. Moreover, expression of CEACAMs affects tumor growth, angiogenesis, cellular differentiation, immune responses, and they serve as receptors for commensal and pathogenic microbes. Recently, new insights into CEACAM structure and function became available, providing further elucidation of their kaleidoscopic functions.
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The different expression of carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) and possible roles in gastric carcinomas. Pathol Res Pract 2009; 205:483-9. [DOI: 10.1016/j.prp.2009.01.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2008] [Revised: 12/30/2008] [Accepted: 01/06/2009] [Indexed: 01/02/2023]
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Stewart CJR, Little L. Use of reticulin stain in the diagnosis of intra-uterine gestation. Pathology 2008; 40:365-71. [PMID: 18446626 DOI: 10.1080/00313020802035873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AIMS The diagnosis of intra-uterine gestation may be problematic when specimens from clinically suspected products of conception lack chorionic villi and/or fetal somatic tissues, since the distinction of intermediate trophoblast from decidual or myometrial elements can be difficult. The placental site is also characterised by stromal changes, including the deposition of a characteristic extracellular fibrinoid matrix. We have noted that these stromal changes may be highlighted by a simple reticulin stain; therefore, we have evaluated reticulin staining in a series of endometrial biopsy specimens from patients with intra-uterine and ectopic gestations. METHODS Reticulin staining was performed in 28 endometrial specimens from patients with first trimester intra-uterine gestations, including 14 cases that lacked chorionic elements. Eight endometrial samples from patients with concurrent histologically verified tubal ectopic pregnancy were also examined. Selected cases were also studied using a Masson trichrome stain, and immunohistochemically with antisera to cytokeratin and HPL. RESULTS There was a distinct increase in reticulin staining, usually evident at low power magnification, in most areas of decidua showing implantation site. Prominent reticulin staining was present around the decidual and trophoblast cells and there was also accentuation around stromal vessels, glands and myometrial cells. There was no clear difference in staining within areas of decidua including only rare intermediate trophoblast cells but this pattern was seldom seen in isolation. Minimal changes were seen in the placental site using the Masson trichrome stain. CONCLUSION Reticulin stains may prove useful in the assessment of endometrial specimens from patients with purported intra-uterine gestations when chorionic elements are not identified. Since the staining technique is simple and can be quickly performed, it could be used as an adjunct to conventional H&E assessment and to select appropriate specimen blocks for additional more sensitive studies, including immunohistochemistry.
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Affiliation(s)
- Colin J R Stewart
- Department of Histopathology, King Edward Memorial Hospital, Perth, Western Australia.
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Nagai Y, Kamoi S, Matsuoka T, Hata A, Jobo T, Ogasawara T, Aoki Y, Ohira S, Okamoto T, Nakamoto T, Kanda K, Matsui H. Impact of p53 immunostaining in predicting advanced or recurrent placental site trophoblastic tumors: a study of 12 cases. Gynecol Oncol 2007; 106:446-52. [PMID: 17544490 DOI: 10.1016/j.ygyno.2007.04.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2007] [Revised: 03/01/2007] [Accepted: 04/16/2007] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To identify an indicator that can predict tumor cell spread beyond the uterine corpus. METHODS We studied clinicopathology and immunohistochemistry of 12 cases of PSTT. Two cases of epithelioid trophoblastic tumor (ETT) were included as reference cases. For immunohistochemistry, antibodies against Ki-67, p53, human chorionic gonadotropin (hCG), human placental lactogen (hPL), carcinoembryonic antigen (CEA, polyclonal antibodies; pCEA), carcinoembryonic antigen-related cellular adhesion molecule 1 (CEACAM1), and bcl-2 were used. PSTT cases were divided as confined and non-confined groups (CG and NCG, respectively). CG consisted of stage I cases with no evidence of recurrence during the follow-up, while NCG consisted of either advanced (stage II or higher) or recurrent stage I lesions. RESULTS Age, the interval from the latest pregnancy, serum hCG/hPL levels, tumor size, mitotic figures, Ki-67 labeling indices, and bcl-2 did not discriminate NCG from CG. CEACAM1 and CEA-related antigens as determined by polyclonal anti-CEA antibodies were specifically stained in PSTT cells, but they could not discriminate groups. p53 was positive in PSTT cells in NCG (6/6, 100%), while it was positive in only one case of CG (1/6, 16.7%), indicating a possible usefulness of p53 immunostaining in predicting an invasive or recurrent propensity of PSTT cells (p=0.015). CONCLUSIONS This finding also suggests the importance of p53 function in the biology of PSTT cells.
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Affiliation(s)
- Yuichiro Nagai
- Department of Molecular Pathology, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-Ku, and Department of Obstetrics and Gynecology, Chiba Hokuso Hospital, Chiba 260-8670, Japan.
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Vićovac L, Bozić M, Bojić-Trbojević Z, Golubović S. Carcinoembryonic Antigen and Related Molecules in Normal and Transformed Trophoblast. Placenta 2007; 28:85-96. [PMID: 16574224 DOI: 10.1016/j.placenta.2006.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2005] [Revised: 02/06/2006] [Accepted: 02/07/2006] [Indexed: 12/27/2022]
Abstract
Carcinoembryonic antigen (CEA, CD66e) and CEA-related cell adhesion molecules (CEACAMs) are important mediators in remodeling of diverse human tissues, and modulators of cell proliferation and differentiation. Expression by normal and transformed trophoblast of gestational trophoblastic diseases (GTDs), isolated cytotrophoblast and choriocarcinoma cell lines is presented here. Immunocyto/histochemistry of normal placenta (n=9), invasive mole (n=8), choriocarcinoma (n=7), a placental site trophoblastic tumor, cytotrophoblast in primary culture and JAr and JEG-3 cells was performed using polyclonal anti-CEA and specific monoclonal anti-CEA antibodies. Data were analyzed and scored using Mann-Whitney Test. CEA and CEA-related molecules were identified by Western blot and immunoaffinity chromatography in JAr and JEG-3 cells and extracts of 1st and 3rd trimester of pregnancy tissue and cytotrophoblast cell lysates. CEA is expressed throughout pregnancy, in first trimester predominantly in syncytiotrophoblast, but also in villous cytotrophoblast and extravillous trophoblast. Data presented here demonstrate that CEA is significantly increased in transformed trophoblast of GTDs (p<0.05). Both cytotrophoblast in primary culture and choriocarcinoma cell lines express CEA, with staining of granular deposits in JAr and cell membrane in JEG-3. The results suggest that CEA (CD66e) and other CEA-related protein(s) could be involved in trophoblast differentiation.
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Affiliation(s)
- Lj Vićovac
- Institute for the Application of Nuclear Energy, INEP, University of Belgrade, Banatska 31b, PO Box 46, 11080, Zemun-Belgrade, Serbia and Montenegro.
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Tochigi N, Kishimoto T, Suyama T, Nagai Y, Nikaido T, Akikusa B, Virtudazo E, Yamaguchi M, Ishikura H. Regulatory role of hepatocyte nuclear factor-4alpha on gastric choriocarcinoma function. Exp Mol Pathol 2005; 80:77-84. [PMID: 15990092 DOI: 10.1016/j.yexmp.2005.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2005] [Accepted: 05/17/2005] [Indexed: 11/27/2022]
Abstract
Gastric choriocarcinoma is a highly aggressive carcinoma, most probably originating from somatic cells in the gastric mucosal layer. We herein investigated the regulatory role of hepatocyte nuclear factor (HNF)-4alpha, a transcriptional regulator expressed in non-neoplastic and neoplastic gastric tissues, on functions of gastric choriocarcinoma cells. HNF-4alpha cDNA was stably transfected to a gastric choriocarcinoma cell line, SCH. Alterations in SCH cell functions such as histology, ultrastructure, proliferation, production of trophoblast-specific proteins, and chemosensitivity to methotrexate (MTX) were examined. Neither in vitro and in vivo proliferations nor HLA-G expression differed significantly between the mock-transfected and HNF-4alpha-transfected SCH cells, while suppressed human chorionic gonadotropin (hCG) secretions, increased human placental lactogen (hPL) and carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) immunoreactivity, and decreased chemosensitivity to MTX were seen in HNF-4alpha-transfected SCH cells. General histologic features in xenograft nodules were unaltered, but, ultrastructurally, fascicles of paranuclear filaments were significantly more numerous in HNF-4alpha-transfected SCH cells. These results indicated an HNF-4alpha-rendered functional regulation in SCH cells, suggesting a role of transcriptional factors abundant in gastric but not in trophoblastic tissues/cells on the functional modulation of gastric choriocarcinoma cells.
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Affiliation(s)
- Naobumi Tochigi
- Department of Molecular Pathology, Chiba University Graduate School of Medicine, Inohana 1-8-1, Chuo-Ku, Chiba 260-8670, Japan
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Abstract
Over the last few years, dramatic increases in our knowledge about diffusely adhering Escherichia coli (DAEC) pathogenesis have taken place. The typical class of DAEC includes E. coli strains harboring AfaE-I, AfaE-II, AfaE-III, AfaE-V, Dr, Dr-II, F1845, and NFA-I adhesins (Afa/Dr DAEC); these strains (i) have an identical genetic organization and (ii) allow binding to human decay-accelerating factor (DAF) (Afa/Dr(DAF) subclass) or carcinoembryonic antigen (CEA) (Afa/Dr(CEA) subclass). The atypical class of DAEC includes two subclasses of strains; the atypical subclass 1 includes E. coli strains that express AfaE-VII, AfaE-VIII, AAF-I, AAF-II, and AAF-III adhesins, which (i) have an identical genetic organization and (ii) do not bind to human DAF, and the atypical subclass 2 includes E. coli strains that harbor Afa/Dr adhesins or others adhesins promoting diffuse adhesion, together with pathogenicity islands such as the LEE pathogenicity island (DA-EPEC). In this review, the focus is on Afa/Dr DAEC strains that have been found to be associated with urinary tract infections and with enteric infection. The review aims to provide a broad overview and update of the virulence aspects of these intriguing pathogens. Epidemiological studies, diagnostic techniques, characteristic molecular features of Afa/Dr operons, and the respective role of Afa/Dr adhesins and invasins in pathogenesis are described. Following the recognition of membrane-bound receptors, including type IV collagen, DAF, CEACAM1, CEA, and CEACAM6, by Afa/Dr adhesins, activation of signal transduction pathways leads to structural and functional injuries at brush border and junctional domains and to proinflammatory responses in polarized intestinal cells. In addition, uropathogenic Afa/Dr DAEC strains, following recognition of beta(1) integrin as a receptor, enter epithelial cells by a zipper-like, raft- and microtubule-dependent mechanism. Finally, the presence of other, unknown virulence factors and the way that an Afa/Dr DAEC strain emerges from the human intestinal microbiota as a "silent pathogen" are discussed.
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Affiliation(s)
- Alain L Servin
- Institut National de la Santé et de la Recherche Médicale, Unité 510, Faculté de Pharmacie Paris XI, Châtenay-Malabry, France.
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Cui JQ, Shi YF, Zhou HJ, Li JQ. The changes of gene expression profiles in hydatidiform mole and choriocarcinoma with hyperplasia of trophoblasts. Int J Gynecol Cancer 2004; 14:984-97. [PMID: 15361213 DOI: 10.1111/j.1048-891x.2004.14539.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The purpose of this study is to investigate changes of gene expression profiles in hydatidiform moles (HM) and choriocarcinoma and to explore causes of trophoblastic hyperplasia. Using cDNA microarray, 4,096 genes were analyzed in two pairs of the tissues of HM versus normal villi and in two pairs of normal primary culture trophoblasts versus JAR cell line of choriocarcinoma. The expressions of two genes in normal villi and HM, as well as in JAR and JEG-3, were examined with the help of immunohistochemistry, immunoblot, and reverse transcriptase-polymerase chain reaction in order to confirm the findings of cDNA microarray. Twenty-four genes were upregulated and 65 genes were downregulated in all HM. Four hundred thirty-three genes were upregulated and 380 genes were downregulated in JAR. Forty-six genes were upregulated in both HM and choriocarcinoma, whereas 13 genes were downregulated. Genes associated with the inhibition of cell proliferation were significantly downregulated, whereas genes associated with cell proliferation, malignant transformation, metastasis, and drug resistance were upregulated. Thymidine kinase-1 (TK-1) and small subunit ribonucleotide reductase (RRM-2) were overexpressed in HM, JAR, and JEG-3. The expressions of TK-1 and RRM-2 in moles were positively correlated with proliferative index of trophoblasts. Our results suggest that altered expression of genes exist in HM and choriocarcinoma. Trophoblastic hyperplasia may be involved in the overexpression of DNA synthetic enzymes.
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Affiliation(s)
- J Q Cui
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Radde J, Löning T, Bamberger AM. Expression Pattern of the CCAAT/Enhancer-Binding Protein C/EBP-β in Gestational Trophoblastic Disease. Int J Gynecol Pathol 2004; 23:373-7. [PMID: 15381907 DOI: 10.1097/01.pgp.0000139645.32997.e1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The CCAAT/enhancer-binding protein (C/EBP) family consists of several factors that are important regulators of intracellular processes and hormone action. C/EBP-beta, the most important member of the C/EBP family, was shown recently to be expressed in the normal human placenta where it is localized in villous syncytiotrophoblast and in the extravillous (intermediate) trophoblast but not the villous cytotrophoblast. The purpose of this study was to investigate the expression pattern of C/EBP-beta in gestational trophoblastic disease (GTD) which has not been studied so far. We used immunohistochemistry on a total of 15 cases of GTD including nine complete hydatidiform moles, one placental site nodule (PSN), one placental site trophoblastic tumor (PSTT), and four choriocarcinomas. All our tested specimens showed positivity for C/EBP-beta. The strongest C/EBP-beta expression could be observed in villous syncytiotrophoblast and in the trophoblast proliferations on the villous surface of hydatidiform moles; villous cytotrophoblast was negative. The PSN also showed positive nuclear staining but the expression was not as strong as it was in the hydatidiform moles and the total amount of stained cells was the lowest of all GTD. The PSTT also showed immunoreactivity but with a weaker and more heterogeneous staining than in the choriocarcinomas. The specific expression pattern of C/EBP-beta in GTD indicate that C/EBP-beta could potentially be an additional marker of such lesions.
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Affiliation(s)
- Jessica Radde
- University Hospital Hamburg-Eppendorf, Department of Gynecopathology, Institute of Pathology, Martinistr. 52, 20246 Hamburg, Germany.
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