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Target intelligence / Profile preview
Immune System Stimulation via Modified Vaccinia Ankara (MVA) Vector (MVA Vector)
- Target
- MVA Vector
- Molecular classification
- Viral vector, Vaccine platform
01
Overview
Modified Vaccinia Ankara (MVA) is an attenuated, replication-deficient poxvirus used as a vaccine vector to stimulate the immune system. It delivers genes encoding target antigens, which are expressed by host cells and presented on MHC molecules to T lymphocytes, stimulating both innate and adaptive immune responses. Key pathways activated include TLR2/TLR6-MyD88, RIG-I/MDA5-IPS-1, and the NALP3 inflammasome. MVA is used in vaccines against infectious diseases and cancer immunotherapy.
- Other names
- MVAModified Vaccinia AnkaraPoxvirus vectorVaccinia virus Ankara vector
02
Mechanism of action
MVA infects antigen-presenting cells and delivers genes encoding target antigens. These antigens are expressed by host cells and presented on MHC molecules to T lymphocytes, stimulating both innate and adaptive immune responses through pathways like TLR2/TLR6-MyD88, RIG-I/MDA5-IPS-1, and the NALP3 inflammasome.
03
Biological functions
Immune response stimulationAntigen deliveryT-cell activationB-cell activationInnate immune activationAdaptive immune activation
04
Disease associations
Infectious diseaseCancerImmunodeficiency
05
Safety considerations
Potential for off-target immune activationRisk of adverse reactions
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