Abstract
BackgroundPsychological stressors have been related to tumor progression through the activation of beta-adrenergic receptors (β-AR) in several types of cancer. Purpose: This study aimed to investigate the expressions of β1- and β2-AR and their association with psychological and clinicopathological variables in patients with oral squamous cell carcinoma. Methods: Tumor samples from 99 patients diagnosed with OSCC were subjected to immunohistochemical reaction to detect the expression of β1-AR and β2-AR. Anxiety and depression symptoms were assessed using the Beck Anxiety Inventory and Beck Depression Inventory (BDI), respectively. The Brunel Mood Scale was used for measuring affective mood states. Results: Univariate analyzes revealed that higher expression of β1-AR was associated with increased alcohol consumption (p = 0.032), higher education (p = 0.042), worse sleep quality (p = 0.044) and increased levels of pain related to the primary tumor (p < 0.001). Higher expression of β2-AR was related with regional metastasis (p = 0.014), increased levels of pain related to the primary tumor (p = 0.044), anxiety (p < 0.001) and depressive (p = 0.010) symptoms and higher mood scores of angry (p = 0.010) and fatigue (p = 0.010). Multivariate analysis identified that patients with advanced clinical stage had lower β1-AR expression (OR=0.145, 95% CI=0.025–0.828, p = 0.003). Higher anxiety symptoms and higher mood fatigue are independent factors for increased β2-AR expression (OR=4256, 95% CI=1439–12606, p = 0.009; OR=3816, 95% CI=1258–11,573, p = 0.018, respectively). Conclusion: This study reveal that anxiety, fatigue symptoms, and clinical staging are associated with tumor expression of beta-adrenergic receptors in patients with oral cancer.
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