Proteomic biomarkers of sleep apnea
© Sleep Research Society 2020. Published by Oxford University Press on behalf of the Sleep Research Society. All rights reserved. For permissions, please e-mail journals.permissionsoup.com..
STUDY OBJECTIVES: Obstructive sleep apnea (OSA) is characterized by recurrent partial to complete upper airway obstructions during sleep, leading to repetitive arousals and oxygen desaturations. Although many OSA biomarkers have been reported individually, only a small subset have been validated through both cross-sectional and intervention studies. We sought to profile serum protein biomarkers in OSA in unbiased high throughput assay.
METHODS: A highly multiplexed aptamer array (SomaScan) was used to profile 1300 proteins in serum samples from 713 individuals in the Stanford Sleep Cohort, a patient-based registry. Outcome measures derived from overnight polysomnography included Obstructive Apnea Hypopnea Index (OAHI), Central Apnea Index (CAI), 2% Oxygen Desaturation index, mean and minimum oxygen saturation indices during sleep. Additionally, a separate intervention-based cohort of 16 individuals was used to assess proteomic profiles pre- and post-intervention with positive airway pressure.
RESULTS: OAHI was associated with 65 proteins, predominantly pathways of complement, coagulation, cytokine signaling, and hemostasis which were upregulated. CAI was associated with two proteins including Roundabout homolog 3 (ROBO3), a protein involved in bilateral synchronization of the pre-Bötzinger complex and cystatin F. Analysis of pre- and post intervention samples revealed IGFBP-3 protein to be increased while LEAP1 (Hepicidin) to be decreased with intervention. An OAHI machine learning classifier (OAHI >=15 vs OAHI<15) trained on SomaScan protein measures alone performed robustly, achieving 76% accuracy in a validation dataset.
CONCLUSIONS: Multiplex protein assays offer diagnostic potential and provide new insights into the biological basis of sleep disordered breathing.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:43 |
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| Enthalten in: |
Sleep - 43(2020), 11 vom: 12. Nov. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ambati, Aditya [VerfasserIn] |
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| Links: |
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| Themen: |
Apnea |
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| Anmerkungen: |
Date Completed 14.04.2021 Date Revised 28.05.2021 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/sleep/zsaa086 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © Sleep Research Society 2020. Published by Oxford University Press on behalf of the Sleep Research Society. All rights reserved. For permissions, please e-mail journals.permissionsoup.com. | ||
| 520 | |a STUDY OBJECTIVES: Obstructive sleep apnea (OSA) is characterized by recurrent partial to complete upper airway obstructions during sleep, leading to repetitive arousals and oxygen desaturations. Although many OSA biomarkers have been reported individually, only a small subset have been validated through both cross-sectional and intervention studies. We sought to profile serum protein biomarkers in OSA in unbiased high throughput assay | ||
| 520 | |a METHODS: A highly multiplexed aptamer array (SomaScan) was used to profile 1300 proteins in serum samples from 713 individuals in the Stanford Sleep Cohort, a patient-based registry. Outcome measures derived from overnight polysomnography included Obstructive Apnea Hypopnea Index (OAHI), Central Apnea Index (CAI), 2% Oxygen Desaturation index, mean and minimum oxygen saturation indices during sleep. Additionally, a separate intervention-based cohort of 16 individuals was used to assess proteomic profiles pre- and post-intervention with positive airway pressure | ||
| 520 | |a RESULTS: OAHI was associated with 65 proteins, predominantly pathways of complement, coagulation, cytokine signaling, and hemostasis which were upregulated. CAI was associated with two proteins including Roundabout homolog 3 (ROBO3), a protein involved in bilateral synchronization of the pre-Bötzinger complex and cystatin F. Analysis of pre- and post intervention samples revealed IGFBP-3 protein to be increased while LEAP1 (Hepicidin) to be decreased with intervention. An OAHI machine learning classifier (OAHI >=15 vs OAHI<15) trained on SomaScan protein measures alone performed robustly, achieving 76% accuracy in a validation dataset | ||
| 520 | |a CONCLUSIONS: Multiplex protein assays offer diagnostic potential and provide new insights into the biological basis of sleep disordered breathing | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a apnea | |
| 650 | 4 | |a biomarkers | |
| 650 | 4 | |a oxygen saturation | |
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| 700 | 1 | |a Ju, Yo-El |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Olesen, Alexander N |e verfasserin |4 aut | |
| 700 | 1 | |a Koch, Henriette |e verfasserin |4 aut | |
| 700 | 1 | |a Hedou, Julien Jacques |e verfasserin |4 aut | |
| 700 | 1 | |a Leary, Eileen B |e verfasserin |4 aut | |
| 700 | 1 | |a Sempere, Vicente Peris |e verfasserin |4 aut | |
| 700 | 1 | |a Mignot, Emmanuel |e verfasserin |4 aut | |
| 700 | 1 | |a Taheri, Shahrad |e verfasserin |4 aut | |
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