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2017 ; 7
(2
): 285-299
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The cancer theory of pulmonary arterial hypertension
#MMPMID28597757
Boucherat O
; Vitry G
; Trinh I
; Paulin R
; Provencher S
; Bonnet S
Pulm Circ
2017[Apr]; 7
(2
): 285-299
PMID28597757
show ga
Pulmonary arterial hypertension (PAH) remains a mysterious killer that, like
cancer, is characterized by tremendous complexity. PAH development occurs under
sustained and persistent environmental stress, such as inflammation, shear
stress, pseudo-hypoxia, and more. After inducing an initial death of the
endothelial cells, these environmental stresses contribute with time to the
development of hyper-proliferative and apoptotic resistant clone of cells
including pulmonary artery smooth muscle cells, fibroblasts, and even pulmonary
artery endothelial cells allowing vascular remodeling and PAH development.
Molecularly, these cells exhibit many features common to cancer cells offering
the opportunity to exploit therapeutic strategies used in cancer to treat PAH. In
this review, we outline the signaling pathways and mechanisms described in cancer
that drive PAH cells' survival and proliferation and discuss the therapeutic
potential of antineoplastic drugs in PAH.