cellular immunity sentence in Hindi
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- But the VaxGen vaccine does not stimulate the immune system defense, called cellular immunity, that kills cells already infected with HIV . Thus, many researchers doubt it will protect people against the virus.
- 3 Loneliness has been associated with impaired cellular immunity as reflected in lower natural killer ( NK ) cell activity and higher antibody titers to the Epstein Barr Virus and human herpes viruses ".
- Thus, MHC class I helps mediate cellular immunity, a primary means to address intracellular pathogens, such as viruses and some bacteria, including bacterial L forms, bacterial genus " Mycoplasma ", and bacterial genus " Rickettsia ".
- Seven other vaccines, including some designed to stimulate cellular immunity and some designed to stimulate both arms of the immune system, are also being tested in the United States, Canada, Thailand, Kenya, Uganda, Holland and Britain.
- Researchers at the University of Colorado have already shown that giving older people the chicken pox vaccine _ the same vaccine used for kids _ boosts cellular immunity, the type of immunity believed necessary to hold the virus in check.
- An attempt by British and Kenyan scientists to use this concept of cellular immunity to make a preventive vaccine was abandoned in August after a trial in Nairobi showed it did not stir up a strong enough response to protect against HIV.
- The important aspect of the latest prospective vaccine, according to some authorities, is that in monkey tests it was the first to elicit _ at least in a significant fraction of animals _ both antibodies against HIV and the other major immune response, called cellular immunity.
- For one thing, the gp-120 vaccine can only stimulate the production of antibodies against the human immunodeficiency virus ( HIV ), which causes AIDS . But many scientists believe that a vaccine must also produce a different type of response called cellular immunity in order to be truly protective.
- By interacting with CD8 molecules on surfaces of cytotoxic T cells, MHC class I mediates destruction of infected or malignant host cells, the aspect of specific immunity termed cellular immunity . ( The other arm of specific immunity is humoral immunity, whose relation to MHC is more indirect .)
- The role of T cells in " Borrelia " was first made in 1984, the role of cellular immunity in active Lyme disease was made in 1986, and long-term persistence of T cell lymphocyte responses to " B . burgdorferi " as an " immunological scar syndrome " was hypothesized in 1990.
- Rejection is an adaptive immune response via cellular immunity ( mediated by killer T cells inducing apoptosis of target cells ) as well as humoral immunity ( mediated by activated B cells secreting antibody molecules ), though the action is joined by components of innate immune response ( phagocytes and soluble immune proteins ).
- A vaccine developed by the French firm Pasteur Merieux Connaught consists of a canarypox virus genetically engineered to carry genes for two HIV proteins . ( Canarypox cannot infect humans, nor reproduce itself when injected into humans . ) That vaccine is intended to stimulate cellular immunity _ reactions against cells that have been infected with a virus.
- The trial was co-funded by the National Institute of Allergy and Infectious Diseases ( NIAID ), which is a division of the National Institutes of Health ( NIH ), and the pharmaceutical company Merck & Co . Merck developed the experimental vaccine called V520 to stimulate HIV-specific cellular immunity, which prompts the body to produce T cells that kill HIV-infected cells.
- By the mid-1960s, several studies identified the gradual reduction in cellular immunity in old age, observing that in a cohort of 1, 000 people who lived to the age of 85, approximately 500 ( i . e ., 50 % ) would have at least one attack of shingles, and 10 ( i . e ., 1 % ) would have at least two attacks.
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