fetal hemoglobin


Definition of fetal hemoglobin

: a hemoglobin variant that predominates in the blood of a newborn and persists in increased proportions in some forms of anemia (such as thalassemia)

Examples of fetal hemoglobin in a Sentence

Recent Examples on the Web

People born with sickle cell and a genetic fluke that allows them to keep making fetal hemoglobin do not suffer from the disease, research shows. Karen Weintraub, Scientific American, "Despite Controversy, Human Studies of CRISPR Move Forward in the U.S.," 13 Aug. 2019 The biotech company CRISPR Therapeutics, founded by one of the technology’s co-developers, has engineered a solution to treat both conditions that relies on genetic modifications connected to the production of fetal hemoglobin. Time, "CRISPR Gene Editing Is Being Tested in Human Patients, and the Results Could Revolutionize Health Care," 6 Aug. 2019 The sickle cell treatment involves re-activating a fetal gene that produces what is known as fetal hemoglobin. San Diego Union-Tribune, "Biotech notebook: Public service on stem cell science," 6 July 2019 Among the treatments currently used is a medication called hydroxyurea, which can stimulate the production of fetal hemoglobin. Michael Nedelman And Minali Nigam, CNN, "Trial underway in US uses CRISPR gene-editing in people with severe sickle cell disease," 30 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fetal hemoglobin.' 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 fetal hemoglobin

1950, in the meaning defined above

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Last Updated

4 Sep 2019

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fetal hemoglobin


Medical Definition of fetal hemoglobin

: hemoglobin that consists of two alpha chains and two gamma chains and that predominates in the blood of a newborn and persists in increased proportions in some forms of anemia (as thalassemia)

called also hemoglobin F

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