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2016 ; 90
(ä): 11-3
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Melanoma exosomes enable tumor tolerance in lymph nodes
#MMPMID27063077
Hood JL
Med Hypotheses
2016[May]; 90
(ä): 11-3
PMID27063077
show ga
Melanoma preferentially spreads via lymph nodes. Melanoma exosomes can induce
angiogenesis and immune suppression. However, a role for melanoma exosomes in
facilitating tumor tolerance in lymph nodes has not been considered. Herein, the
hypothesis that melanoma exosome mediated induction of vascular endothelial cell
(VEC) derived tumor necrosis factor alpha (TNF-?) results in lymphatic
endothelial cell (LEC) mediated tumor tolerance is explored. To support this
hypothesis, experiments involving ex vivo lymph node associated VECs, LECs,
dendritic cells and T lymphocytes are proposed based upon a previously
established fluorescent exosome lymph node trafficking model. The implication of
the hypothesis in the context of melanoma exosome mediated induction of tumor
tolerance in lymph nodes is then discussed.