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2014 ; 10
(11
): 3165-74
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Engineering better immunotherapies via RNA interference
#MMPMID25483669
Sioud M
Hum Vaccin Immunother
2014[]; 10
(11
): 3165-74
PMID25483669
show ga
The therapeutic potential of dendritic cell (DC) cancer vaccines has gained
momentum in recent years. However, clinical data indicate that antitumor immune
responses generally fail to translate into measurable tumor regression. This has
been ascribed to a variety of tolerance mechanisms, one of which is the
expression of immunosuppressive factors by DCs and T cells. With respect to
cancer immunotherapies, these factors antagonise the ability to induce robust and
sustained immunity required for tumor cell eradication. Gene silencing of
immunosuppressive factors in either DCs or adoptive transferred T cells enhanced
anti-tumor immune responses and significantly inhibited tumor growth. Therefore,
engineered next generation of DC vaccines or adoptive T-cell therapy should
include immunomodulatory siRNAs to release the "brakes" imposed by the immune
system. Moreover, the combination of gene silencing, antigen targeting to DCs and
cytoplasmic cargo delivery will improve clinical benefits.
|Cancer Vaccines/*immunology/therapeutic use
[MESH]