C-reactive protein


C-re·​ac·​tive protein ˈsē-rē-ˈak-tiv- How to pronounce C-reactive protein (audio)
: 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 Okinawa Flat Belly Tonic is based on the idea that people become overweight when their C-reactive protein, also known as CRP, interferes with the normal function of mitochondria. Michael Carroll, Discover Magazine, 3 June 2023 People who had consistently high or unmanaged metabolic syndrome but not elevated C-reactive protein had an elevated chance of developing kidney cancer. Kaitlin Sullivan, Health, 23 Mar. 2024 Eating more fish, legumes and vegetables is associated with lower levels of C-reactive protein, a sign of inflammation in the body. Sandee Lamotte, CNN, 13 Feb. 2024 Tart Cherries Can Lower Your Blood Pressure Doctors often use a blood test measuring C-reactive protein (or CRP) to foretell the development of high blood pressure and other cardiovascular diseases in patients. Jessie Shafer, Better Homes & Gardens, 28 Aug. 2023 The C-reactive protein, a measure of inflammation, decreased in participants of the study who underwent IMT. Dr. Keith Roach, oregonlive, 6 July 2023 For example, whole grains may reduce C-reactive protein (CRP) levels. Health Editorial Team, Health, 8 May 2023 Studies have also found higher markers of inflammation, like C-reactive protein, in elite and recreational athletes taking oral contraceptive pills, which could affect training adaptation and recovery. Christine Yu, Outside Online, 23 Mar. 2023 Diet Certain nutrients can help to fight chronic inflammation by counteracting inflammatory proteins like C-reactive protein, interleukins (like IL-1 or IL-6), and tumor necrosis factor-alpha (TNF-a). Lana Barhum, Verywell Health, 26 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'C-reactive protein.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


C-polysaccharide, a polysaccharide found in the cell wall of pneumococci and precipitated by this protein, from carbohydrate

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of C-reactive protein was in 1952

Dictionary Entries Near C-reactive protein

Cite this Entry

“C-reactive protein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/C-reactive%20protein. Accessed 24 Apr. 2024.

Medical Definition

C-reactive protein

C-re·​ac·​tive protein ˌsē-rē-ˌak-tiv- How to pronounce C-reactive protein (audio)
: 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)
Last Updated: - Updated example sentences
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