Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study
Growing evidence suggests the crucial involvement of inflammation in the pathogenesis of pulmonary hypertension (PH). The current study analyzed the expression of interleukin (IL)-17a and IL-22 as potential biomarkers for PH in a preclinical rat model of PH as well as the serum levels in a PH patien...
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| Language: | English |
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MDPI AG
2024-04-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/25/7/3985 |
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| author | Friederike Klein Sandesh Dinesh Desiree Fiedler Katja Grün Andrea Schrepper Jürgen Bogoviku Laura Bäz Alexander Pfeil Daniel Kretzschmar P. Christian Schulze Sven Möbius-Winkler Marcus Franz |
| author_facet | Friederike Klein Sandesh Dinesh Desiree Fiedler Katja Grün Andrea Schrepper Jürgen Bogoviku Laura Bäz Alexander Pfeil Daniel Kretzschmar P. Christian Schulze Sven Möbius-Winkler Marcus Franz |
| author_sort | Friederike Klein |
| collection | DOAJ |
| description | Growing evidence suggests the crucial involvement of inflammation in the pathogenesis of pulmonary hypertension (PH). The current study analyzed the expression of interleukin (IL)-17a and IL-22 as potential biomarkers for PH in a preclinical rat model of PH as well as the serum levels in a PH patient collective. PH was induced by monocrotalin (60 mg/kg body weight s.c.) in 10 Sprague Dawley rats (PH) and compared to 6 sham-treated controls (CON) as well as 10 monocrotalin-induced, macitentan-treated rats (PH_MAC). Lung and cardiac tissues were subjected to histological and immunohistochemical analysis for the ILs, and their serum levels were quantified using ELISA. Serum IL levels were also measured in a PH patient cohort. IL-22 expression was significantly increased in the lungs of the PH and PH_MAC groups (<i>p</i> = 0.002), whereas increased IL17a expression was demonstrated only in the lungs and RV of the PH (<i>p</i> < 0.05) but not the PH_MAC group (<i>p</i> = n.s.). The PH group showed elevated serum concentrations for IL-22 (<i>p</i> = 0.04) and IL-17a (<i>p</i> = 0.008). Compared to the PH group, the PH_MAC group demonstrated a decrease in IL-22 (<i>p</i> = 0.021) but not IL17a (<i>p</i> = n.s.). In the PH patient collective (<i>n</i> = 92), increased serum levels of IL-22 but not IL-17a could be shown (<i>p</i> < 0.0001). This elevation remained significant across the different etiological groups (<i>p</i> < 0.05). Correlation analysis revealed multiple significant relations between IL-22 and various clinical, laboratory, functional and hemodynamic parameters. IL-22 could serve as a promising inflammatory biomarker of PH with potential value for initial diagnosis, functional classification or even prognosis estimation. Its validation in larger patients’ cohorts regarding outcome and survival data, as well as the probability of promising therapeutic target structures, remains the object of further studies. |
| first_indexed | 2024-04-24T10:42:38Z |
| format | Article |
| id | doaj.art-c5c62ebe17144bb5b29176740ae6edda |
| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-04-24T10:42:38Z |
| publishDate | 2024-04-01 |
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| series | International Journal of Molecular Sciences |
| spelling | doaj.art-c5c62ebe17144bb5b29176740ae6edda2024-04-12T13:20:19ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672024-04-01257398510.3390/ijms25073985Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational StudyFriederike Klein0Sandesh Dinesh1Desiree Fiedler2Katja Grün3Andrea Schrepper4Jürgen Bogoviku5Laura Bäz6Alexander Pfeil7Daniel Kretzschmar8P. Christian Schulze9Sven Möbius-Winkler10Marcus Franz11Department of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Cardiothoracic Surgery, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine III, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyHerz-und Gefäßmedizin Goslar (HUGG), Goslar, Fleischscharren 4, 38640 Goslar, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyDepartment of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, GermanyGrowing evidence suggests the crucial involvement of inflammation in the pathogenesis of pulmonary hypertension (PH). The current study analyzed the expression of interleukin (IL)-17a and IL-22 as potential biomarkers for PH in a preclinical rat model of PH as well as the serum levels in a PH patient collective. PH was induced by monocrotalin (60 mg/kg body weight s.c.) in 10 Sprague Dawley rats (PH) and compared to 6 sham-treated controls (CON) as well as 10 monocrotalin-induced, macitentan-treated rats (PH_MAC). Lung and cardiac tissues were subjected to histological and immunohistochemical analysis for the ILs, and their serum levels were quantified using ELISA. Serum IL levels were also measured in a PH patient cohort. IL-22 expression was significantly increased in the lungs of the PH and PH_MAC groups (<i>p</i> = 0.002), whereas increased IL17a expression was demonstrated only in the lungs and RV of the PH (<i>p</i> < 0.05) but not the PH_MAC group (<i>p</i> = n.s.). The PH group showed elevated serum concentrations for IL-22 (<i>p</i> = 0.04) and IL-17a (<i>p</i> = 0.008). Compared to the PH group, the PH_MAC group demonstrated a decrease in IL-22 (<i>p</i> = 0.021) but not IL17a (<i>p</i> = n.s.). In the PH patient collective (<i>n</i> = 92), increased serum levels of IL-22 but not IL-17a could be shown (<i>p</i> < 0.0001). This elevation remained significant across the different etiological groups (<i>p</i> < 0.05). Correlation analysis revealed multiple significant relations between IL-22 and various clinical, laboratory, functional and hemodynamic parameters. IL-22 could serve as a promising inflammatory biomarker of PH with potential value for initial diagnosis, functional classification or even prognosis estimation. Its validation in larger patients’ cohorts regarding outcome and survival data, as well as the probability of promising therapeutic target structures, remains the object of further studies.https://www.mdpi.com/1422-0067/25/7/3985IL-22pulmonary hypertensionbiomarker |
| spellingShingle | Friederike Klein Sandesh Dinesh Desiree Fiedler Katja Grün Andrea Schrepper Jürgen Bogoviku Laura Bäz Alexander Pfeil Daniel Kretzschmar P. Christian Schulze Sven Möbius-Winkler Marcus Franz Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study International Journal of Molecular Sciences IL-22 pulmonary hypertension biomarker |
| title | Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study |
| title_full | Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study |
| title_fullStr | Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study |
| title_full_unstemmed | Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study |
| title_short | Identification of Serum Interleukin-22 as Novel Biomarker in Pulmonary Hypertension: A Translational Study |
| title_sort | identification of serum interleukin 22 as novel biomarker in pulmonary hypertension a translational study |
| topic | IL-22 pulmonary hypertension biomarker |
| url | https://www.mdpi.com/1422-0067/25/7/3985 |
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