2017
DOI: 10.2147/ott.s128825
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Increased BTLA and HVEM in gastric cancer are associated with progression and poor prognosis

Abstract: PurposeDeregulation of immune checkpoint molecules by tumor cells is related to immune escape. This study was conducted to investigate the relationship between the appearance of B- and T-lymphocyte attenuator (BTLA) and its ligand herpesvirus entry mediator (HVEM) with the prognosis in gastric cancer patients.Patients and methodsA total of 136 patients with curative gastrectomy were included. The expression of BTLA and HVEM was detected by immunohistochemistry, and its correlation with the clinical significanc… Show more

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Cited by 82 publications
(69 citation statements)
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“…Depending on downstream signaling pathways, BTLA may transmit stimulatory or inhibitory signals possibly accounting for its controversial roles in malignant melanoma, gastric, and gall bladder cancer. [32][33][34][35][36][37] We show that BTLA was expressed on more than 50% of CD8 + T cells isolated from peripheral blood, tumor, and unaffected mucosa although expression was less on TILs compared to T UM . The functional and clinical significance of BTLA expression on TILs and T UM in rectal cancer has to be determined in future studies.…”
Section: Discussionmentioning
confidence: 78%
“…Depending on downstream signaling pathways, BTLA may transmit stimulatory or inhibitory signals possibly accounting for its controversial roles in malignant melanoma, gastric, and gall bladder cancer. [32][33][34][35][36][37] We show that BTLA was expressed on more than 50% of CD8 + T cells isolated from peripheral blood, tumor, and unaffected mucosa although expression was less on TILs compared to T UM . The functional and clinical significance of BTLA expression on TILs and T UM in rectal cancer has to be determined in future studies.…”
Section: Discussionmentioning
confidence: 78%
“…4,5 However, in cancer, suppressive immune checkpoints are often hyper-activated to ensure an effective evasion of tumor cells from immune surveillance. 6 These immune checkpoints include in part, the B7/butyrophilinlike receptors such as butyrophilin sub-family 3A/CD277 receptors (BTN3A), 7,8 the B and T lymphocyte attenuator (BTLA) belonging to the B7-like receptors 9,10 and the programmed death protein (PD-1) with its ligands PD-L1 and PD-L2. PD-1/PD-L1 pathways blockade (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…8 On the other hand, the B and T lymphocyte attenuator (BTLA) have been shown to inhibit tumor-specific CD8 + T cell proliferation and their high expression correlates with a shorter survival in some solid tumors mainly of the gastrointestinal tract including gastric cancer. 9,10 Despite considerable efforts, the complete role of these molecules in cancer immunotherapy and the specific role of soluble ectodomains of these receptors remain to be elucidated. Recently, the plasmatic soluble forms of sPD-1 and sPD-L1 have been shown to negatively correlate with survival in myeloma.…”
Section: Introductionmentioning
confidence: 99%
“…BTLA is structurally and functionally related to CTLA-4 and PD-1 [15,16]. An augmented BTLA level is associated with the progress and poor prediction of gastric cancer [17]. In addition, PD-L1 overexpression was shown to interfere with cell cycle, cell growth, apoptosis, and carcinogenesis [18].…”
Section: Obesity Pd-l1 and Cancersmentioning
confidence: 99%