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Sleep Apnea and Intermittent Hypoxia 4.0

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 30 May 2024 | Viewed by 1859

Special Issue Editor


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Guest Editor
Department of Biochemistry, Nara Medical University (NMU), 840 Shijo-cho, Kashihara 634-8521, Nara, Japan
Interests: diabetes and its complication; sleep apnea; cancer cell biology; CD38-cyclic ADP-ribose signal system; insulin secretion; regeneration biology; regenerating gene (Reg) family
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Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of our previous Special Issues “Sleep Apnea and Intermittent Hypoxia”, “Sleep Apnea and Intermittent Hypoxia 2.0” and “Sleep Apnea and Intermittent Hypoxia 3.0”.

Sleep apnea syndrome (SAS) is a clinical syndrome characterized by repeated episodes of pharyngeal obstruction during sleep that leads to intermittent hypoxia (IH), sleep fragmentation, and excessive daytime sleepiness. It is a highly prevalent disorder, affecting about 14% of men and 5% of women, and its prevalence is rapidly rising because of its strong association with obesity. The major health burden in SAS patients is an increased risk of cardiovascular diseases, such as systemic arterial hypertension, coronary artery disease, heart failure, and stroke, which is an association that is corroborated by numerous large-scale epidemiological and prospective studies. Furthermore, there is increasing evidence of an independent association of SAS with metabolic dysfunction, and in particular, with alterations in glucose metabolism. Subjects with SAS seem to be at a greater risk of developing type 2 diabetes mellitus, insulin resistance, and metabolic syndrome, an association that seems to be, at least in part, irrespective of the degree of obesity. Indeed, SAS and obesity may exert synergistic negative effects on glucose metabolism. However, there are few molecular studies about SAS/IH. The aim of this Special Issue is to provide new findings regarding the molecular events in SAS/IH, as well as their mechanisms.

Prof. Dr. Shin Takasawa
Guest Editor

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Keywords

  • sleep apnea syndrome
  • intermittent hypoxia
  • oxidative stress
  • gene expression
  • diabetes
  • appetite
  • obesity
  • hypertension

Published Papers (1 paper)

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Research

18 pages, 2654 KiB  
Article
Analysis of the Ischemia-Modified Albumin as a Potential Biomarker for Cardiovascular Damage in Obstructive Sleep Apnea Patients with Acute Coronary Syndrome
by Pilar Resano-Barrio, Enrique Alfaro, Esther Solano-Pérez, Carlota Coso, Carolina Cubillos-Zapata, Elena Díaz-García, Sofía Romero-Peralta, Jose Luis Izquierdo-Alonso, Ferran Barbé, Francisco García-Rio, Manuel Sánchez-de-la-Torre, Olga Mediano and on behalf of the Spanish Sleep Network
Int. J. Mol. Sci. 2023, 24(10), 9019; https://doi.org/10.3390/ijms24109019 - 19 May 2023
Viewed by 1575
Abstract
Obstructive sleep apnea (OSA) has been identified as a cardiovascular (CV) risk factor. The potential of OSA promoting the synthesis of CV biomarkers in acute coronary syndrome (ACS) is unknown. Ischemia-modified albumin (IMA) has been identified as a specific CV biomarker. The aim [...] Read more.
Obstructive sleep apnea (OSA) has been identified as a cardiovascular (CV) risk factor. The potential of OSA promoting the synthesis of CV biomarkers in acute coronary syndrome (ACS) is unknown. Ischemia-modified albumin (IMA) has been identified as a specific CV biomarker. The aim of this study was to evaluate the role of IMA as a potential biomarker for determining the impact of OSA in ACS patients. A total of 925 patients (15.5% women, age: 59 years, body mass index: 28.8 kg/m2) from the ISAACC study (NCT01335087) were included. During hospitalization for ACS, a sleep study for OSA diagnosis was performed and blood samples extraction for IMA determination were obtained. IMA values were significantly higher in severe OSA (median (IQR), 33.7 (17.2–60.3) U/L) and moderate (32.8 (16.9–58.8) U/L) than in mild/no OSA (27.7 (11.8–48.6) U/L) (p = 0.002). IMA levels were very weakly related to apnea–hypopnea index (AHI) as well as hospital and intensive care unit stay, although they only maintained a significant relationship with days of hospital stay after adjusting for sex, age and BMI (ß = 0.410, p = 0.013). The results of the present study would suggest a potentially weaker role of OSA in the synthesis of the CV risk biomarker IMA in patients with ACS than in primary prevention. Full article
(This article belongs to the Special Issue Sleep Apnea and Intermittent Hypoxia 4.0)
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