HLA

Immunology.

1. human leukocyte antigen: any of a complex of genetically determined antigens, occurring on the surface of almost every human cell, by which one person's cells can be distinguished from another's and the histocompatibility and genetic likeness of any two persons can be established: the major histocompatibility antigen of humans.

Word History and Origins

Origin of HLA¹

First recorded in 1965–70

Example Sentences

Their experiments showed that removing surface proteins known as HLA class 1 molecules allowed NK cells to avoid attack from T cells in the host’s immune system.

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Linton alleges violations of Measure HLA in the summer of 2024 when the city repaved portions of Vermont Avenue without installing “protected bike lanes and pedestrian enhancements,” and a violation over the Metro board of directors’ recent decision to move forward on plans for the Vermont Transit Corridor to implement bus lanes without including new bike lanes.

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“Measure HLA does not apply when non-city entities, public or private, carry out their own projects in the City’s streets,” L.A.

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“Ultimately, the city is the guarantor of HLA,” Linton’s attorney, Mike Gatto said.

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But the scope of Measure HLA — the citywide initiative to follow through on what L.A.

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