dendritic cell

noun

Definition of dendritic cell

: any of various antigen-presenting cells with long irregular processes

Examples of dendritic cell in a Sentence

Recent Examples on the Web The human dermis is awash with dendritic cells that act like scouts, moving around the skin and searching for foreign pathogens. Andrew Zaleski, Popular Mechanics, "So When Will a COVID-19 Vaccine Be Available?," 29 Apr. 2020 Ongoing projects include a clinical trial to infuse regulatory dendritic cells in liver transplant patients prior to surgery, with the hope of putting an end to toxic immunosuppression regimens. Scientific American, "An Unconventional Path To Improving Healthcare," 24 Mar. 2020 Pegtel and colleagues started with two types of immune cells; B cells, a type of white blood cell, infected with the virus, and dendritic cells, which sense viral invaders and alert other immune cells. Quanta Magazine, "RNA’s Secret Life Outside the Cell," 8 Nov. 2013 The dendritic cells were genetically engineered to glow until microRNAs that the virus had forced the B cells to produce traveled across the barrier and quieted the glowing genes. Quanta Magazine, "RNA’s Secret Life Outside the Cell," 8 Nov. 2013 Analyzing patterns of gene expression in individual human immune system cells, the researchers refined the definitions of the types known as dendritic cells and monocytes and identified a novel type that had been overlooked. Quanta Magazine, "Cell Atlases Reveal Biology’s Frontiers," 12 July 2017 Among a second cohort of 10 patients who got bevacizumab and dendritic cell vaccine alone (but no cyclophosphamide), only 30 percent survived to the two-year mark. Melissa Healy, Washington Post, "Personalized vaccine helps patients fight ovarian cancer," 22 Apr. 2018 Among a second cohort of 10 patients who got bevacizumab and dendritic cell vaccine alone (but no cyclophosphamide), only 30% survived to the two-year mark. Melissa Healy, latimes.com, "A personalized vaccine helps patients fight back against ovarian cancer," 12 Apr. 2018 Within the immune system, dendritic cells act as clever spies. Susan Scutti, CNN, "Ovarian cancer vaccine shows promising results in human study," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dendritic cell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dendritic cell

1934, in the meaning defined above

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The first known use of dendritic cell was in 1934

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Cite this Entry

“Dendritic cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dendritic%20cell. Accessed 23 Sep. 2020.

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More Definitions for dendritic cell

dendritic cell

noun

Medical Definition of dendritic cell

: any of various antigen-presenting cells with long irregular processes Dendritic cells play a key role in activating an immune response—whether against a foreign microbe or a damaged body cell …— Patrick Barry, Science News, 11 Aug. 2007 Dendritic cells' key role in priming the immune system gives them formidable potential as therapeutic vaccines for fighting cancers and viruses such as HIV.Scientific American, December 2004

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