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Our group has shown that HAART increases the thymic production of naïve T cells in the healthy adult, thereby boosting the immune system. We propose to investigate the amount of and length of Nelfinavir therapy necessary to increase those cells in adults. Subjects will be treated with Nelfinavir, and blood will be sampled at variable times to determine the immune response in peripheral blood.
Blood will be collected at several time points during the study. DNA will be isolated from peripheral blood lymphocytes (PBL) and assessed for signal point (sj) TREC content relative to genomic CCR5 copies by real time PCR in a spectoflourometic thermal cycler. TREC values will be expressed as TREC copy number per copies of CCR5 or TREC/PBLs.
We anticipate that we will confirm our previous observations that nelfinavir therapy will increase TRECs, indicating naive T cell production from the thymus. The proposed study will determine the time course of the anticipated increase in TREC/PBLs.
Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Published on BioPortfolio: 2014-08-27T03:43:43-0400
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The body's defense mechanism against foreign organisms or substances and deviant native cells. It includes the humoral immune response and the cell-mediated response and consists of a complex of interrelated cellular, molecular, and genetic components.
Substances that augment, stimulate, activate, potentiate, or modulate the immune response at either the cellular or humoral level. The classical agents (Freund's adjuvant, BCG, Corynebacterium parvum, et al.) contain bacterial antigens. Some are endogenous (e.g., histamine, interferon, transfer factor, tuftsin, interleukin-1). Their mode of action is either non-specific, resulting in increased immune responsiveness to a wide variety of antigens, or antigen-specific, i.e., affecting a restricted type of immune response to a narrow group of antigens. The therapeutic efficacy of many biological response modifiers is related to their antigen-specific immunoadjuvanticity.
A heterogeneous, immature population of myeloid cells that can suppress the activity of T-CELLS and NATURAL KILLER CELLS in the INNATE IMMUNE RESPONSE and ADAPTIVE IMMUNE RESPONSE. They play important roles in ONCOGENESIS; INFLAMMATION; and INFECTION.
The characteristic properties and processes involved in IMMUNITY and an organism's immune response.
Alteration of the immune system or of an immune response by agents that activate or suppress its function. This can include IMMUNIZATION or administration of immunomodulatory drugs. Immunomodulation can also encompass non-therapeutic alteration of the immune system effected by endogenous or exogenous substances.
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