Key result
Primary pulmonary hypertension is linked to reduced pulmonary vascular BMPR-II expression, potentially driving vascular obliteration.
Why the study?
Reduced BMPR-II expression may contribute to vascular obliteration in severe pulmonary hypertension, but its cellular localization in PPH was not fully characterized.
Reduced BMPR-II expression may play a role in the pathogenesis of vascular obliteration in severe pulmonary hypertension.
Implicates BMPR-II in PAH vascular remodeling; leaves open whether pathway modulation improves clinical outcomes.
The cellular localization of BMPR-II is consistent with a role in the formation of pulmonary vascular lesions in PPH, and reduced BMPR-II expression may contribute to the process of vascular obliteration in severe pulmonary hypertension.
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Atkinson et al. (2002) studied this question. Primary pulmonary hypertension is associated with reduced pulmonary vascular expression of BMPR-II, which may contribute to vascular obliteration and lesion formation.
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