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Obstructive sleep apnea syndrome (OSA) has been associated with increased cancer incidence and aggressiveness. One hypothesis to support this association is the implication of immune response, particularly the programmed cell death pathway, formed by the receptor PD-1 and its ligand PD-L1. Recent studies have shown dysregulation of this pathway in severe OSA patients. It has also been shown that small extracellular vesicles (sEVs) carrying PD-L1 induce lymphocyte dysfunction. Thus, the aim of our study was to analyze the expression of PD-L1 on sEVs of OSA patients and to evaluate the role of sEVs on lymphocyte activation and cytotoxicity. Circulating sEVs were isolated from OSA patients and the control group. Lymphocytes were isolated from the control group. Circulating sEVs were characterized by western blot, nanotracking analysis, and flow cytometry and were incubated with lymphocytes. Our results show no differences in the quantity and composition of sEVs in OSA patients and no significant effects of sEVs in OSA patients on lymphocyte activation and cytotoxicity. These results suggest that OSA does not modify PD-L1 expression on sEVs, which does not contribute to dysregulation of cytotoxic lymphocytes.
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http://dx.doi.org/10.3390/ijms25063208 | DOI Listing |
Sleep Breath
September 2025
School of medicine, Università Campus Bio-Medico di Roma, Rome, Italy.
Introduction: It is well known that Obstructive Sleep Apnea (OSA) is a complex disease characterized by an Upper Airway (UA) collapse during sleep, with potential consequences on ENT districts. Recent evidence suggests a possible association with Eustachian Tube Dysfunction (ETD). However, the potential effects of both surgical and non-surgical therapeutic strategies on ET function remain poorly explored in the current literature.
View Article and Find Full Text PDFSpine (Phila Pa 1976)
October 2025
Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA.
Study Design: Retrospective cohort.
Objective: To evaluate the impact of having a history of obstructive sleep apnea (OSA) in patients undergoing anterior cervical discectomy and fusion (ACDF) on postoperative outcomes.
Background: With an aging population and rates of obesity increasing, comorbidities that influence patient safety are increasingly common.
J Pain Res
September 2025
Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China.
Purpose: Postoperative hyperalgesia (POH) is a common clinical phenomenon that will increase the experience of patients' pain. Previous studies have confirmed that surgical site, opioid analgesics, gender, and age were risk factors of POH. Limited research has been investigated to prove the association between obstructive sleep apnea (OSA) and POH.
View Article and Find Full Text PDFZhonghua Jie He He Hu Xi Za Zhi
September 2025
Neuromuscular diseases are often accompanied by various types of sleep-related breathing disorders, which can exacerbate the underlying condition and are associated with a poor prognosis. Early identification is essential, and interventions such as non-invasive ventilation, oxygen therapy, and respiratory rehabilitation should be initiated promptly to mitigate disease progression and improve outcomes. Nevertheless, the rates of missed and misdiagnosed cases remain common in clinical practice.
View Article and Find Full Text PDFJAMA Netw Open
September 2025
Perelman School of Medicine, University of Pennsylvania, Philadelphia.
Importance: As obesity rates rise in the US, managing associated metabolic comorbidities presents a growing burden to the health care system. While bariatric surgery has shown promise in mitigating established metabolic conditions, no large studies have quantified the risk of developing major obesity-related comorbidities after bariatric surgery.
Objective: To identify common metabolic phenotypes for patients eligible for bariatric surgery and to estimate crude and adjusted incidence rates of additional metabolic comorbidities associated with bariatric surgery compared with weight management program (WMP) alone.