C-reactive protein
noun
C-re·ac·tive protein
ˈsē-rē-ˈak-tiv- 
: a protein present in blood serum in various abnormal states (such as inflammation or neoplasia)
—abbreviation CRP
Examples of C-reactive protein in a Sentence
Recent Examples on the Web
The results showed shockingly high levels of C-reactive protein (CRP), a protein made by the liver.
—
Alyce Collins, MSNBC Newsweek, 28 June 2025
Physical health issues, including increases in inflammatory markers like C-reactive protein, more physical symptoms and more visits to a doctor or health center for physical illness have also been noted in research.
—Jess Cording, Forbes.com, 8 June 2025
Shiitake also reduces inflammation markers like CRP (C-reactive protein) and IgA (Immunoglobulin A).
—Boutayna Chokrane, Wired News, 28 May 2025
In a study, people who followed the Mediterranean diet and consumed nuts experienced decreased inflammatory markers of C-reactive protein (CRP) and interleukin 6 (IL-6).6
6.
—Julie Marks, Verywell Health, 5 May 2025
The strongest results show up in comparisons of C-reactive protein, which is associated with inflammation, and interleukin-10, which fights inflammation.
—Alex Hutchinson, Outside Online, 8 Apr. 2025
For now, Cue offers the ability to test for testosterone, vitamin D, the flu virus, luteinizing hormone, which indicates a woman's fertility, and C-reactive protein, which serves as a marker of inflammation.
—IEEE Spectrum, 13 May 2014
Also, this specific decrease in C-reactive protein is associated with a 10-15% lower risk of heart attacks, cancer or death as a result of any disease.
—Bill Frist, Forbes, 15 Jan. 2025
Common blood tests that are markers of inflammation include C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-a).
—Allison Herries, Verywell Health, 14 Jan. 2025
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Alyce Collins, MSNBC Newsweek, 28 June 2025
Physical health issues, including increases in inflammatory markers like C-reactive protein, more physical symptoms and more visits to a doctor or health center for physical illness have also been noted in research.
—Jess Cording, Forbes.com, 8 June 2025
Shiitake also reduces inflammation markers like CRP (C-reactive protein) and IgA (Immunoglobulin A).
—Boutayna Chokrane, Wired News, 28 May 2025
In a study, people who followed the Mediterranean diet and consumed nuts experienced decreased inflammatory markers of C-reactive protein (CRP) and interleukin 6 (IL-6).6
6.
—Julie Marks, Verywell Health, 5 May 2025
The strongest results show up in comparisons of C-reactive protein, which is associated with inflammation, and interleukin-10, which fights inflammation.
—Alex Hutchinson, Outside Online, 8 Apr. 2025
For now, Cue offers the ability to test for testosterone, vitamin D, the flu virus, luteinizing hormone, which indicates a woman's fertility, and C-reactive protein, which serves as a marker of inflammation.
—IEEE Spectrum, 13 May 2014
Also, this specific decrease in C-reactive protein is associated with a 10-15% lower risk of heart attacks, cancer or death as a result of any disease.
—Bill Frist, Forbes, 15 Jan. 2025
Common blood tests that are markers of inflammation include C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-a).
—Allison Herries, Verywell Health, 14 Jan. 2025
Cite this Entry
“C-reactive protein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/C-reactive%20protein. Accessed 18 Jul. 2025.
Copy CitationMedical Definition
C-reactive protein
noun
C-re·ac·tive protein
ˌsē-rē-ˌak-tiv-
: a protein produced by the liver that is normally present in trace amounts in the blood serum but is elevated during episodes of acute inflammation (as those associated with neoplastic disease, chronic infection, or coronary artery disease)
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