Publikationen
Ausgewählte wissenschaftliche Publikationen aus den Bereichen Tauchmedizin und Tauchphysiologie.
2022 Jul 17
Varying Oxygen Partial Pressure Elicits Blood-Borne Microparticles Expressing Different Cell-Specific Proteins - Toward a Targeted Use of Oxygen?
Balestra C, Arya AK, Leveque C, Virgili F, Germonpré P, Lambrechts K, Lafère P & Thom SR.

Oxygen is a powerful trigger for cellular reactions, but there are few comparative investigations assessing the effects over a large range of partial pressures. We investigated a metabolic response to single exposures to either normobaric (10%, 15%, 30%, 100%) or hyperbaric (1.4 ATA, 2.5 ATA) oxygen. Forty-eight healthy subjects (32 males/16 females; age: 43.7 ± 13.4 years, height: 172.7 ± 10.07 cm; weight 68.4 ± 15.7 kg) were randomly assigned, and blood samples were taken before and 2 h after each exposure.

Lies mehr

2022 Jun 20
Serum Amino Acid Profile Changes After Repetitive Breath-Hold Dives: A Preliminary Study
Danilo Cialoni, Andrea Brizzolari, Nicola Sponsiello, Valentina Lancellotti, Gerardo Bosco, Alessandro Marroni, Alessandra Barassi

Background: The aim of this work was to investigate the serum amino acid (AA) changes after a breath-hold diving (BH-diving) training session under several aspects including energy need, fatigue tolerance, nitric oxide (NO) production, antioxidant synthesis and hypoxia adaptation. Twelve trained BH-divers were investigated during an open sea training session and sampled for blood 30 min before the training session, 30 min and 4 h after the training session.

Lies mehr

2023 Mär 22
Elevations of Extracellular Vesicles and Inflammatory Biomarkers in Closed Circuit SCUBA Divers
Arya AK, Balestra C, Bhopale VM, Tuominen LJ, Räisänen-Sokolowski A, Dugrenot E, L'Her E, Bhat AR, Thom SR.

Blood-borne extracellular vesicles and inflammatory mediators were evaluated in divers using a closed circuit rebreathing apparatus and custom-mixed gases to diminish some diving risks. "Deep" divers (n = 8) dove once to mean (±SD) 102.5 ± 1.2 m of sea water (msw) for 167.3 ± 11.5 min. "Shallow" divers (n = 6) dove 3 times on day 1, and then repetitively over 7 days to 16.4 ± 3.7 msw, for 49.9 ± 11.9 min.

Lies mehr

2023 Feb 10
Seasonal Oxy-Inflammation and Hydration Status in Non-Elite Freeskiing Racer: A Pilot Study by Non-Invasive Analytic Method.
Rubino FM, Ottolenghi S, Brizzolari A, Maioli C, Samaja M, Paroni R.

Freeskiing is performed in an extreme environment, with significant physical effort that can induce reactive oxygen species (ROS) generation and dehydration. This study aimed to investigate the evolution of the oxy-inflammation and hydration status during a freeskiing training season with non-invasive methods.

Lies mehr

2023 Jan 4
Enhanced-Precision Measurement of Glutathionyl Hemoglobin by MALDI-ToF MS
Rubino FM, Ottolenghi S, Brizzolari A, Maioli C, Samaja M, Paroni R.

Glutathionyl-hemoglobin (HbSSG) is used as a human biomarker to pinpoint systemic oxidative stress caused by various pathological conditions, noxious lifestyles, and exposure to drugs and environmental or workplace toxicants. Measurement by MALDI mass spectrometry is most frequently used, however, the method suffers from excessive uncontrolled variability.

Lies mehr