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The Expression of ILT4 in Myeloid Dendritic Cells in Patients with Hepatocellular Carcinoma.
- Source :
-
Immunological investigations [Immunol Invest] 2019 Oct; Vol. 48 (7), pp. 704-718. Date of Electronic Publication: 2019 May 02. - Publication Year :
- 2019
-
Abstract
- Immunoglobulin-like transcript (ILT) 4 is an inhibitory immune receptor of the immunoglobulin superfamily, which could deliver inhibitory signals and induce immunosuppression. The significance of the expression of ILT4 in mDCs subsets in patients with hepatocellular carcinoma (HCC) remains unclear. In this study, the frequency of mDCs subsets in the peripheral blood of 121 patients with HCC and 103 normal controls, and in the tumor and tumor free liver tissues (TFL) of 43 HCC patients was analyzed by flow cytometry. Then, the expressions of ILT4 in mDCs subsets in the microenvironment of liver cancer were also analyzed. Results showed that the percentage of CD1c <superscript>+</superscript> subset was dramatically decreased in peripheral blood mononuclear cells (PBMCs) of HCC patients compared with normal controls, and also significantly decreased in tumor tissue compared with the TFL. The decreased of CD1c <superscript>+</superscript> subset in blood could be a diagnostic factor for HCC with the area under the receiver operating characteristic curve 0.975 (P < 0.01). The percentage of ILT4 <superscript>+</superscript> CD1c <superscript>+</superscript> subset was dramatically increased in tumor than that of TFL and blood. There were significant correlations between the percentage of ILT4 <superscript>+</superscript> in CD1c <superscript>+</superscript> subset in tumor and that of in blood. The percentage of ILT4 <superscript>+</superscript> CD1c <superscript>+</superscript> subset in tumor tissue was strongly associated with the Edmondson-Steiner stage in HCC (P = 0.03). Furthermore, the capacity of ILT4 <superscript>+</superscript> CD1c <superscript>+</superscript> subset producing IFN-γ was lower than ILT4 <superscript>-</superscript> CD1c subset in PBMC of HCC patients following Poly I:C stimulation. Taken together, the increased ILT4 <superscript>+</superscript> CD1c <superscript>+</superscript> subset in tumor tissue might play an important role in immune suppression for patients with HCC.
- Subjects :
- Antigens, CD1 immunology
Biomarkers, Tumor immunology
Carcinoma, Hepatocellular blood
Carcinoma, Hepatocellular pathology
Dendritic Cells pathology
Female
Glycoproteins immunology
Humans
Interferon-gamma metabolism
Liver Neoplasms blood
Liver Neoplasms pathology
Male
Middle Aged
Myeloid Cells pathology
Poly I-C pharmacology
ROC Curve
Tumor Microenvironment
Carcinoma, Hepatocellular immunology
Dendritic Cells immunology
Liver Neoplasms immunology
Membrane Glycoproteins immunology
Myeloid Cells immunology
Receptors, Immunologic immunology
Subjects
Details
- Language :
- English
- ISSN :
- 1532-4311
- Volume :
- 48
- Issue :
- 7
- Database :
- MEDLINE
- Journal :
- Immunological investigations
- Publication Type :
- Academic Journal
- Accession number :
- 31044626
- Full Text :
- https://doi.org/10.1080/08820139.2019.1571507