Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study
Objective: Diverse inflammatory pathology is involved in acute respiratory distress syndrome (ARDS). This study aimed to assess the role of complement component fragment 5a (C5a) receptor 2 (C5aR2) in prognosis of patients with ARDS. Methods: A total of 64 adult patients diagnosed with ARDS were pro...
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Elsevier
2025-02-01
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844025005262 |
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| author | Muhammed Rashid Sreedharan Nair Pooja Gopal Poojari Vijetha Shenoy Belle Vijayanarayana Kunhikatta Daniel A. Vaz Vishal Shanbhag Viji Pulikkel Chandran Shravya Chitrapady Girish Thunga |
| author_facet | Muhammed Rashid Sreedharan Nair Pooja Gopal Poojari Vijetha Shenoy Belle Vijayanarayana Kunhikatta Daniel A. Vaz Vishal Shanbhag Viji Pulikkel Chandran Shravya Chitrapady Girish Thunga |
| author_sort | Muhammed Rashid |
| collection | DOAJ |
| description | Objective: Diverse inflammatory pathology is involved in acute respiratory distress syndrome (ARDS). This study aimed to assess the role of complement component fragment 5a (C5a) receptor 2 (C5aR2) in prognosis of patients with ARDS. Methods: A total of 64 adult patients diagnosed with ARDS were prospectively recruited to the study over a period of one year after obtaining the informed consent. The serum C5a and C5aR2were determined using ELISA Kit sandwich method. Area under receiver operating characteristic (AUROC) was used to analyse the prognostic performance of C5a, C5R2, and C5a/C5R2 ratio using MedCalc. The relationship of these biomarkers with the parameters of poor prognosis (non-recovery, hospitalization, ventilation and ICU admission) was analysed through regression using SPSSv20. Results: The mean age of the included participants was 49.17 (SD:14.81) years. C5a/C5aR2 ratio had better discrimination (AUC: 0.707 vs 0.699 vs 0.511) and higher specificity (78.1 vs 71.9 vs 3.1) than C5R2 and C5a in predicting the poor prognosis among ARDS patients. The increased level of C5aR2 (OR: 0.225; p = 0.009) was significantly associated with better recovery and the high C5a/C5aR2 ratio (OR: 3.281; p = 0.036) was significantly associated with non-recovery in moderate to severe patients. Additionally, steroid treatment significantly associated with better recovery in patients with a high C5a/C5aR2 ratio (OR: 0.104; p = 0.007). Conclusion: The current evidence indicates that a higher levels of C5aR2 significantly associated with better recovery, whereas high levels of C5a/C5aR2 significantly associated to poor prognosis in moderate to severe ARDS patients. However, adequately powered studies are required to confirm these findings in future. |
| format | Article |
| id | doaj-art-1fabb58692af4e15abe0a312a582ded9 |
| institution | Kabale University |
| issn | 2405-8440 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj-art-1fabb58692af4e15abe0a312a582ded92025-01-27T04:22:04ZengElsevierHeliyon2405-84402025-02-01113e42146Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational studyMuhammed Rashid0Sreedharan Nair1Pooja Gopal Poojari2Vijetha Shenoy Belle3Vijayanarayana Kunhikatta4Daniel A. Vaz5Vishal Shanbhag6Viji Pulikkel Chandran7Shravya Chitrapady8Girish Thunga9Department of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Biochemistry, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Critical Care Medicine, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, IndiaDepartment of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, India; Centre for Toxicovigilance and Drug Safety, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka- 576104, India; Corresponding author. Department of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, India.Objective: Diverse inflammatory pathology is involved in acute respiratory distress syndrome (ARDS). This study aimed to assess the role of complement component fragment 5a (C5a) receptor 2 (C5aR2) in prognosis of patients with ARDS. Methods: A total of 64 adult patients diagnosed with ARDS were prospectively recruited to the study over a period of one year after obtaining the informed consent. The serum C5a and C5aR2were determined using ELISA Kit sandwich method. Area under receiver operating characteristic (AUROC) was used to analyse the prognostic performance of C5a, C5R2, and C5a/C5R2 ratio using MedCalc. The relationship of these biomarkers with the parameters of poor prognosis (non-recovery, hospitalization, ventilation and ICU admission) was analysed through regression using SPSSv20. Results: The mean age of the included participants was 49.17 (SD:14.81) years. C5a/C5aR2 ratio had better discrimination (AUC: 0.707 vs 0.699 vs 0.511) and higher specificity (78.1 vs 71.9 vs 3.1) than C5R2 and C5a in predicting the poor prognosis among ARDS patients. The increased level of C5aR2 (OR: 0.225; p = 0.009) was significantly associated with better recovery and the high C5a/C5aR2 ratio (OR: 3.281; p = 0.036) was significantly associated with non-recovery in moderate to severe patients. Additionally, steroid treatment significantly associated with better recovery in patients with a high C5a/C5aR2 ratio (OR: 0.104; p = 0.007). Conclusion: The current evidence indicates that a higher levels of C5aR2 significantly associated with better recovery, whereas high levels of C5a/C5aR2 significantly associated to poor prognosis in moderate to severe ARDS patients. However, adequately powered studies are required to confirm these findings in future.http://www.sciencedirect.com/science/article/pii/S2405844025005262Acute respiratory distress syndromeBiomarkerInflammationLung injuryPrognosisSpecificity |
| spellingShingle | Muhammed Rashid Sreedharan Nair Pooja Gopal Poojari Vijetha Shenoy Belle Vijayanarayana Kunhikatta Daniel A. Vaz Vishal Shanbhag Viji Pulikkel Chandran Shravya Chitrapady Girish Thunga Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study Heliyon Acute respiratory distress syndrome Biomarker Inflammation Lung injury Prognosis Specificity |
| title | Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study |
| title_full | Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study |
| title_fullStr | Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study |
| title_full_unstemmed | Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study |
| title_short | Role of C5aR2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of C5a: A prospective observational study |
| title_sort | role of c5ar2 in prognosis of patients with acute respiratory distress syndrome through negative modulation of c5a a prospective observational study |
| topic | Acute respiratory distress syndrome Biomarker Inflammation Lung injury Prognosis Specificity |
| url | http://www.sciencedirect.com/science/article/pii/S2405844025005262 |
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