T cell

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Related to T lymphocytes: MHC, B lymphocytes, Cytotoxic T lymphocytes

T cell

[′tē ‚sel]
(immunology)
One of a heterogeneous population of thymus-derived lymphocytes which participates in the immune responses. Also known as T lymphocyte.
References in periodicals archive ?
Without a full roster of healthy T lymphocytes, the immune system will also lose the battle against microbes such as Pneumocystis carinii.
Previous research has shown that killer T lymphocytes produced in the lab using conventional methods are inefficient in killing cancer cells mainly because they have a very short life-span, which limits their use as treatment for cancer.
ENV-specific cytotoxic T lymphocyte responses in HIV seronegative health care workers occupationally exposed to HIV-contaminated body fluids.
Rotavirus-specific cytotoxic T lymphocytes passively protect against gastroenteritis in suckling mice.
Ho's group found that these survivors exhibited revved-up activity of white cells called CD8 T lymphocytes.
Indeed, Stein points out, this drug can bind directly to the CD4 receptor, the portal through which HIV enters the T lymphocytes.
Using radioactive assays to measurethe number of cells killed, scientists in France and the United States discovered that some of the blood cells called T lymphocytes turn into killers when confronted with other cells infected with the AIDS virus (HIV).
The normally round nuclei of white blood cells known as helper T lymphocytes take on a daisy shape (above) after exposure to cyclosporine, an immune-suppressive drug.
are studying the action of cytotoxic T lymphocytes, cellular immune responders that attack foreign or infected cells.
In a study of homosexual men without overt signs of AIDS, 33 of 67 men who showed signs fo recent cytomegalovirus infection had an abnormal ratio between two types of white blood cells called T lymphocytes.
Washington, March 3 ( ANI ): Researchers have described the earliest stages of fate determination among white blood cells called T lymphocytes, providing new insights that may help drug developers create more effective, longer-lasting vaccines against microbial pathogens or cancer.