Collection of Peripheral Blood Mononuclear Cells (PBMCs) From Healthy People for the Expansion of T Cells for Adoptive Cell Therapy

* INCLUSION CRITERIA: * Age greater than or equal to 18 years old and able to give consent. * Adequate clinical parameters (all of the following): * Afebrile (temperature less than or equal to 37.5 degree C) * Systolic blood pressure less than or equal to180 mmHg * Diastolic blood pressure less than or equal to100 mmHg * Weight greater than or equal to 110 lbs. * Heart rate between 50-100 beats/minute * Adequate bilateral antecubital venous access for a 2 arm apheresis procedure * Females of child-bearing potential should not be pregnant or breast-feeding. * Within 30 days of pheresis donation, donors must be negative for infectious disease work-up: Antibody screen for Hepatitis B, Hepatitis C; HIV, HTLV-I/II, T. cruzi (Chagas agent), West Nile, and syphilis (RPR) * Within 30 days of pheresis donation, donor must have: * Hemoglobin: * Women greater than or equal to 12.5 gm/dL * Men greater than or equal to 13.0 gm/dL * Platelets greater than or equal to 100,000/microliter * Total WBC greater than or equal to 2 K/microliter EXCLUSION CRITERIA: * History of medical illness that in the estimation of the PI or DTM physician precludes donation of PBMCs. * Current psychiatric diagnosis that would compromise compliance with donation or precludes appropriate informed consent. * Presence of any blood transmissible infectious disease that cannot be cleared prior to PBMC donation and poses an unacceptable risk for the recipient. * Active malignancy will exclude the donor. Any history of malignancy will be considered on a case by case basis in accordance with NIH/DTM criteria. * If the participant answers Yes to any initial screening question, the participant will be considered ineligible. * If the participant is deferred according to DTM Cellular Therapy Screening Standard Operating Procedures (SOP), the participant will be considered ineligible.