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2017 ; 7
(ä): 213
Nephropedia Template TP
Front Cell Infect Microbiol
2017[]; 7
(ä): 213
PMID28603698
show ga
Crimean-Congo hemorrhagic fever virus (CCHFV) is transmitted to humans by bite of
infected ticks or by direct contact with blood or tissues of viremic patients or
animals. It causes to humans a severe disease with fatality up to 30%. The
current knowledge about the vector-host-CCHFV interactions is very limited due to
the high-level containment required for CCHFV studies. Among ticks, Hyalomma spp.
are considered the most competent virus vectors. CCHFV evades the tick immune
response, and following its replication in the lining of the tick's midgut, it is
disseminated by the hemolymph in the salivary glands and reproductive organs. The
introduction of salivary gland secretions into the host cells is the major route
via which CCHFV enters the host. Following an initial amplification at the site
of inoculation, the virus is spread to the target organs. Apoptosis is induced
via both intrinsic and extrinsic pathways. Genetic factors and immune status of
the host may affect the release of cytokines which play a major role in disease
progression and outcome. It is expected that the use of new technology of
metabolomics, transcriptomics and proteomics will lead to improved understanding
of CCHFV-host interactions and identify potential targets for blocking the CCHFV
transmission.