RX Imola: Inflammatory Biomarkers in COVID-19

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RX Imola: Inflammatory Biomarkers in COVID-19

Over the course of human history, few events have had such a dramatic impact as the COVID-19 pandemic. According to the World Health Organization (WHO), as of 12th July 2023, the SARS-CoV-2 virus has claimed almost 7 million lives and figures continue to rise1. While many who become infected are only subject to mild symptoms, those who develop a more severe form of the infection are encumbered with a debilitating flu-like condition, often requiring days, if not weeks of bed rest. In a paper from June 20232, the Rx Imola was used to study C reactive protein concentrations, along with other biomarkers, in mild and severe COVID-19 patients in order to develop novel risk stratification methods for this potentially life-threatening viral infection.

The impact on healthcare services around the world cannot be understated. In developed countries, access to services for both COVID-related and other conditions took a catastrophic hit. In low-to-middle-income countries, the impact has been even more distressing, all but eliminating basic medical care in favour of combating COVID-19, partly due to inferior resources and facilities3.

“The COVID-19 pandemic has changed the world socially, economically and politically.”
Jain, 2023

In times of medical emergency, it is crucial to have an efficient and effective means of stratifying the risk to patients and a process for suitably categorising those into the least and most at risk of severe complications or death. Due to the rate at which COVID-19 spread, unfortunately, the world lacked these mechanisms for SARS-CoV-2, resulting in mass hospital overpopulation, cancelled appointments for other life-threatening conditions and ultimately the staggering mortality statistics we’ve been bombarded with since January 2022. This prompted an unprecedented surge in medical research and major advances in testing capabilities, giving us new methods of detecting SARS-CoV-2 and determining the risk posed to individuals.

One such investigation, by Paranga et al., (2023) studied a total of 13 biomarkers to determine which could accurately differentiate mild, moderate, and severe cases and identify biomarkers which were good predictors of fatality2. C reactive protein (CRP) was the best-described biomarker relating to COVID-19 throughout the pandemic. This paper compares it to 12 other biomarkers including suPAR, sTREM-1, ferritin, MCP-1 and Lactate dehydrogenase. Of these, it was discovered that CRP was clearly the most effective biomarker for differentiating mild from severe cases, with concentrations in those with severe infection being, on average, 45% higher than in those with mild symptoms2. Additionally, the authors discovered that CRP levels were not significantly affected by age, a factor known to affect the inflammation and immune responses, providing a powerful and inclusive risk stratification tool. Some of the additional conclusions drawn from this paper can be seen below2:

  • Lactate dehydrogenase, sTREM-1 and HGF were good predictors of mortality in COVID-19.
  • suPAR was identified as a crucial molecule in characterising Delta variant infection and mortality.
  • The initial values of inflammatory biomarkers were good to excellent predictors of disease severity in COVID-19 patients.
  • Disease severity and mortality are associated with a higher rate of comorbidities including thrombocytopenia and other blood diseases, circulatory and respiratory system diseases and liver diseases such as cirrhosis.

So, what is CRP and how does it become elevated in response to a SARS-CoV-2 infection? CRP is a non-specific, acute-phase protein, meaning its concentration is altered in response to inflammation4. The acute respiratory distress syndrome induced by SARS-CoV-2 is, in part, a result of the hyperinflammation caused by the virus2. CRP is a well-characterised inflammatory biomarker and is therefore well-suited for identification and risk stratification in an emerging disease.

This investigation2 utilised the RX Imola, a rapid, comprehensive clinical chemistry platform, to quantify CRP. With the RX Imola, laboratories can gain access to the world’s largest clinical chemistry test menu covering routine chemistries as well as specific proteins, lipids, and more providing a cost-effective and user-friendly platform. With 60 cooled reagent positions and a sample carousel with 20 cooled positions for controls and calibrators, the RX Imola is an ideal solution for small to medium-throughput laboratories seeking an innovative and reliable clinical chemistry system. Randox also supplies suitable, high-quality reagents, and through Acusera, state-of-the-art controls and calibrators, completing the clinical chemistry portfolio.

References
1. World Health Organisation. WHO Coronavirus (COVID-19) Dashboard. https://covid19.who.int/.
2. Paranga TG, Pavel-Tanasa M, Constantinescu D, et al. Comparison of C-reactive protein with distinct hyperinflammatory biomarkers in association with COVID-19 severity, mortality and SARS-CoV-2 variants. Front Immunol. 2023;14. doi:10.3389/fimmu.2023.1213246
3. Jain P. Impact of COVID-19 Pandemic on Global Healthcare Systems and the role of a new era of global collaborations. Sushruta Journal of Health Policy & Opinion. 2021;14(3):1-5. doi:10.38192/14.3.2
4. Nehring S. C Reactive Protein . https://www.statpearls.com/articlelibrary/viewarticle/18744/.


SARS-CoV-2 Vascular & Multi-System Dysfunction Whitepaper

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30 June 2021

SARS-CoV-2 Vascular & Multi-System Dysfunction Whitepaper Download

COVID-19, the disease caused by SARS-CoV-2, is an infectious disease caused by a newly discovered coronavirus. While many of whom become infected by the disease will experience mild to moderate cold or flu-like symptoms, those with health complications – such as autoimmune diseases, asthma, heart disease and diabetes – are at risk of developing serious illness and adverse outcomes.

As of September 2021, over 228 million COVID-19 cases have been confirmed worldwide, with an estimated one in six patients experiencing complications which could be life threatening, with over £116 billion spent by the UK government alone on measures to combat the disease. This drastic spending has been mirrored across the globe, with the significant economic burden expected to be suffered for generations to come.

The whitepaper provides a brief overview of the COVID-19 pandemic, before discussing vascular abnormalities and associated complications brought on by the virus, such as multi-system disfunction, acute respiratory disease syndrome (ARDS) and hepatic, renal & cardiovascular function.

 

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