Yuan, X. J., Tod, M. L., Rubin, L. J., and Blaustein, M. P. (1990) Contrasting effects of hypoxia on tension in rat pulmonary and mesenteric arteries. Am. J. Physiol., 259, H281–289. PubMedCAS Google Scholar
Egermayer, P., Town G. I., and Peacock, A. J. (1999) Role of serotonin in the pathogenesis of acute and chronic pulmonary hypertension. Thorax54, 161–168. ArticlePubMedCAS Google Scholar
Villalón, C. M., de Vries, P., and Saxena, P. R. (1997) Serotonin receptors as cardiovascular targets. Drug Discovery Today2, 294–300. Article Google Scholar
Rubin, L. J. (1999) Cellular and molecular mechanisms responsible for the pathogenesis of primary pulmonary hypertension. Pediatr. Pulmonol.18(Suppl), 194–197. ArticleCAS Google Scholar
Rich, S. (2000) Primary pulmonary hypertension. Curr. Treat. Options Cardiovasc. Med.2, 135–140. ArticlePubMed Google Scholar
Reeves, J. T., Groves B. M., and Turkevich, D. (1986) The case for treatment of selected patients with primary pulmonary hypertension. Am. Rev Respir. Dis.134, 342–346. PubMedCAS Google Scholar
Aaronson, P. I., Robertson, T. P., and Ward, J. P. (2002) Endothelium-derived mediators and hypoxic pulmonary vasoconstriction. Respir. Physiol. Neurobiol.132, 107–120. ArticlePubMedCAS Google Scholar
Novotna, J. and Herget, J. (2002) Possible role of matrix metalloproteinases in reconstruction of peripheral pulmonary arteries induced by hypoxia. Physiol. Res.51, 323–334. PubMedCAS Google Scholar
Raymond, J. R., Mukhin, Y. V., Gelasco, A., et al. (2001) Multiplicity of mechanisms of serotonin receptor signal transduction. Pharmacol. Ther.92, 179–212. ArticlePubMedCAS Google Scholar
Kuang, S., Doran, S. A., Wilson, R. J., Goss G. G., and Goldberg, J. I. (2002) Serotonergic sensory-motor neurons mediate a behavioral response to hypoxia in pond snail embryos. J. Neurobiol.52, 73–83. ArticlePubMedCAS Google Scholar
Kinkead, R. and Mitchell, G. S. (1999) Time-dependent hypoxic ventilatory responses in rats: effects of ketanserin and 5-carboxamidotryptamine. Am. J. Physiol.277, R658–666. PubMedCAS Google Scholar
McGuire, M., Zhang, Y., White, D. P. and Ling, L. (2004) Serotonin receptor subtypes required for ventilatory long-term facilitation and its enhancement after chronic intermittent hypoxia in awake rats. Am. J. Physiol. Regul. Integr. Comp. Physiol.286, R334–341. PubMedCAS Google Scholar
Kirby, G. C. and McQueen, D. S. (1984) Effects of the antagonists MDL 72222 and ketanserin on responses of cat carotid body chemoreceptors to 5-hydroxytryptamine. Br. J. Pharmacol.83, 259–269. PubMedCAS Google Scholar
Fu, X. W., Nurse, C. A., Wong V., and Cutz, E. (2002) Hypoxia-induced secretion of serotonin from intact pulmonary neuroepithelial bodies in neonatal rabbit. J. Physiol.539, 503–510. ArticlePubMedCAS Google Scholar
Farber, H. W. and Loscalzo, J. (2004) Pulmonary arterial hypertension. N. Engl J. Med.351, 1655–1665. ArticlePubMedCAS Google Scholar
Hervé, P., Drouet, L., Dosquet, C., et al. (1990) Primary pulmonary hypertension in a patient with a familial platelet storage pool disease: role of serotonin. Am. J. Med.89, 117–120. ArticlePubMed Google Scholar
Hervé, P., Launay, J. M., Scrobohaci, M. L., et al. (1995) Increased plasma serotonin in primary pulmonary hypertension. Am. J. Med. 1995. 99, 249–254. ArticlePubMed Google Scholar
Kéreveur, A., Callebert, J., Humbert, M., et al. (2000) High plasma serotonin levels in primary pulmonary hypertension: effect of long-term epoprostenol (Prostacyclin) therapy. Arterioscler. Thromb. Vasc. Biol.20, 2233–2239. PubMed Google Scholar
Kentera, D., Susic, D., Veljkovic, V., Tucakovic, G., and Koko, V. (1988) Pulmonary artery pressure in rats with hereditary platelet function defect. Respiration54, 110–114. ArticlePubMedCAS Google Scholar
Sato, K., Webb, S., Tucker, A., et al. (1992) Factors influencing the idiopathic development of pulmonary hypertension in the fawn hooded rat. Am. Rev. Respir. Dis.145, 793–797. PubMedCAS Google Scholar
Vane, J. R. (1957) A sensitive method for the assay of 5-hydroxytryptamine. Br. J. Pharmacol. Chemother.12, 344–349. PubMedCAS Google Scholar
McDonald, T. P., Cottrell, M., and Clift, R. (1978) Effects of short-term hypoxia on platelet counts of mice. Blood51, 165–175. PubMedCAS Google Scholar
McDonald, T. P., Cottrell, M. B., Steward, S. A., Clift, R. E., Swearingen C. J., and Jackson, C. W. (1992) Comparison of platelet production in two strains of mice with different modal megakaryocyte DNA ploidies after exposure to hypoxia. Exp. Hematol.20, 51–56. PubMedCAS Google Scholar
Li, N., Wallen, N. H., Ladjevardi, M., and Hjemdahl, P. (1997) Effects of serotonin on platelet activation in whole blood. Blood Congul. Fibrinolysis8, 517–523. ArticleCAS Google Scholar
Rostagno, C., Prisco, D., Boddi, M., and Poggesi, L. (1991) Evidence for local platelet activation in pulmonary vessels in patients with pulmonary hypertension secondary to chronic obstructive pulmonary disease. Eur. Respir J.4, 147–151. PubMedCAS Google Scholar
Steele, P., Ellis, Jr., J. H., Weily, H. S., and Genton, E. (1977) Platelet survival time in patients with hypoxemia and pulmonary hypertension. Circulation55, 660–661. PubMedCAS Google Scholar
Keith, I. M., Will, J. A., Huxtable, R. J., and Weir, K. (1987) Anti-platelet agents reduce morphological changes of chronic hypoxic pulmonary hypertension. Histol. Histopathol.2, 203–206. PubMedCAS Google Scholar
Fanburg, B. L. and Lee, S. L. (2000) A role for the serotonin transporter in hypoxia-induced pulmonary hypertension. J. Clin. Invest.105, 1521–1523. PubMedCAS Google Scholar
Cook, E. H., Jr., Fletcher, K. E., Wainwright, M., Marks, N., Yan S. Y., and Leventhal, B. L. (1994) Primary structure of the human platelet serotonin 5-HT2A receptor: identify with frontal cortex serotonin 5-HT2A receptor. J. Neurochem.63, 465–469. ArticlePubMedCAS Google Scholar
De Chaffoy de Courcelles, D. and De Clerck, F. (1990) The human platelet 5-HT2-receptor: an up-date, in Cardiovascular Pharmacology of 5-Hydroxytryptamine (Saxena, P. R., Wallis, D. I., Wouters, W., and Bevan, P., Eds.). Kluwer, Dordrecht: pp. 445–457. Google Scholar
Davidson, C. and Stamford, J. A. (1996) Serotonin efflux in the rat ventral lateral geniculate nucleus assessed by fast cyclic voltammetry is modulated by 5-HT1B and 5-HT1D autoreceptors. Neuropharmacology35, 1627–1634. ArticlePubMedCAS Google Scholar
Eddahibi, S., Fabre, V., Boni, C., Martres, M. P., Raffestin, B., Hamon M., and Adnot, S. (1999) Induction of serotonin transporter by hypoxia in pulmonary vascular smooth muscle cells. Relationship with the mitogenic action of serotonin. circ. Res.84, 329–336. PubMedCAS Google Scholar
Bhat, G. B. and Block, E. R. (1990) Hypoxia directly increases serotonin transport by porcine pulmonary artery endothelial cell plasma membrane vesicle. Am. J. Respir. Cell Mol. Biol.3, 363–367. PubMedCAS Google Scholar
MacLean, M. R., Deuchar, G. A., Hicks, M. N., et al. (2004) Overexpression of the 5-hydroxytryptamine transporter gene: effect on pulmonary hemodynamics and hypoxia-induced pulmonary hypertension. Circulation109, 2150–2155. ArticlePubMedCAS Google Scholar
Lee, S. L., Wang, W. W., Moore, B. J., and Fanburg, B. L. (1991) Dual effect of serotonin on growth of bovine pulmonary artery smooth muscle cells in culture. Circ Res.68, 1362–1368. PubMedCAS Google Scholar
Marcos, E., Adnot, S., Pham, M. H., et al. (2003) Serotonin transporter inhibitors protect against hypoxic pulmonary hypertension. Am. J. Respir. Crit. Care Med.168, 487–493. ArticlePubMed Google Scholar
Pitt, B. R., Weng, W., Steve, A. R., Blakely, R. D., Reynolds, I., and Davies, P. (1994) Serotonin increases DNA synthesis in rat proximal and distal pulmonary vascular smooth muscle cells in culture. Am. J. Physiol.266, L178–186. PubMedCAS Google Scholar
Sanchez, C. and Hyttel, J. (1999) Comparison of the effects of antidepressants and their metabolites on reuptake of biogenic amines and on receptor binding. Cell. Mol. Neurobiol.19, 467–489. ArticlePubMedCAS Google Scholar
Morecroft, I., Loughlin, L., Nilsen, M. J., et al. (2005) Functional interactions between 5-hydroxytryptamine receptors and the serotonin transporter in pulmonary arteries. J. Pharmacol. Exp. Ther.313, 539–548. ArticlePubMedCAS Google Scholar
Ni, W., Wilhelm, C. S., Bader, M., Murphy, D. L., Lookingland, K. J., and Watts, S. W. (2005). (+)-Norfenfluramine-induced arterial contraction is not dependent on endogenous 5-HT or 5-HTT. J. Pharmacol. Exp. Ther.314, 953–960. ArticlePubMedCAS Google Scholar
Rabinovitch, M. (2001) Linking a serotonin transporter polymorphism to vascular smooth muscle proliferation in patients with primary pulmonary hypertension. J. Clin. Invest. 108, 1109–1111. ArticlePubMedCAS Google Scholar
Eddahibi, S., Hanoun, N., Lanfumey, L., et al. (2000) Attenuated hypoxic pulmonary hypertension in mice lacking the 5-hydroxytryptamine transporter gene. J. Clin. Invest.105, 1555–1562. PubMedCAS Google Scholar
Jeffery, T. K. and Wanstall, J. C. (2001) Pulmonary vascular remodeling: a target for therapeutic intervention in pulmonary hypertension. Pharmacol. Ther.92, 1–20. ArticlePubMedCAS Google Scholar
Keegan, A., Morecroft, I., Smillie, D., Hicks M. N., and MacLean, M. R. (2001) Contribution of the 5-HT1B receptor to hypoxia-induced pulmonary hypertension. Converging evidence using 5-HT1B-receptor knockout mice and the 5-HT1B/1D-receptor antagonist GR127935. Circ. Res.89, 1231–1229. ArticlePubMedCAS Google Scholar
Angeles, D. M., Williams, J., Purdy, R. E., Zhang L., and Pearce, W. J. (2001) Effects of maturation and acute hypoxia on receptor-IP(3) coupling in ovine common carotid arteries. Am. J. Physiol. Regul. Integr. Comp. Physiol.280, R410–417. PubMedCAS Google Scholar
Angeles, D. M., Williams, J., Zhang, L., and Pearce, W. J. (2000) Acute hypoxia modulates 5-HT receptor density and agonist affinity in fetal and adult ovine carotid arteries. Am. J. Physiol. Heart Circ. Physiol.279, H502–510. PubMedCAS Google Scholar
Launay, J. M., Hervé, P., Peoćh, K., et al. (2002) Function of the serotonin 5-hydroxytryptamine 2B receptor in pulmonary monary hypertension. Nat. Med. 2002. 8, 1129–1135. ArticlePubMedCAS Google Scholar
Tournois, C., Mutel, V., Manivet, P., Launay J. M., and Kellermann, O. (1998) Cross-talk between 5-hydroxytryptamine receptors in a serotonergic cell line. Involvement of arachidonic acid metabolism. J. Biol. Chem.273, 17,498–17,503. ArticleCAS Google Scholar
Launay, J. M., Schneider, B., Loric, S., Da Prada, M. and Kellermann, O. (2006) Serotonin transport and serotonin transporter-mediated antidepressant recognition are controlled by 5-HT2B receptor signaling in serotonergic neuronal cells. FASEB J.20, 1843–1854. ArticlePubMedCAS Google Scholar
Hampl, V. and Herget, J. (2000) Role of nitric oxide in the pathogenesis of chronic pulmonary hypertension. Physiol. Rev.80, 1337–1372. PubMedCAS Google Scholar
Ishida, T., Kawashima, S., Hirata K., and Yokoyama, M. (1998) Nitric oxide is produced via 5-HT1B and 5-HT2B receptor activation in human coronary artery endothelial cells. Kobe J. Med. Sci.44, 51–63. PubMedCAS Google Scholar
Glusa, E. and Pertz, H. H. (2000) Further evidence that 5-HT-induced relaxation of pig pulmonary artery is mediated by endothelial 5-HT2B receptors. Br. J. Pharmacol.130, 692–698. ArticlePubMedCAS Google Scholar
Matsuda, H., Li, Y., and Yoshikawa, M. (2000) Possible involvement of 5-HT and 5-HT2 receptors in acceleration of gastrointestinal transit by escin Ib in mice. Life Sci.66, 2233–2238. ArticlePubMedCAS Google Scholar
Miller, K. J. and Gonzalez, H. A. (1998) Serotonin 5-HT2A receptor activation inhibits cytokine-stimulated inducible nitric oxide synthase in C6 glioma cells. Ann. N Y Acad Sci.861, 169–173. ArticlePubMedCAS Google Scholar
Fozard, J. R. (1995) The 5-hydroxytryptamine-nitric oxide connection: the key link in the initiation of migraine? Arch. Int. Pharmacodyn. Ther.329, 111–119. PubMedCAS Google Scholar
Manivet, P., Mouillet-Richard, S., Callebert, J., et al. (2000) PDZ-dependent activation of nitric-oxide synthases by the serotonin 2B receptor. J. Biol. Chem.275, 9324–9331. ArticlePubMedCAS Google Scholar
Grewal, J. S., Mukhin, Y. V., Garnovskaya, M. N., Raymond, J. R., and Greene, E. L. (1999) Serotonin 5-HT2A receptor induces TGF-betal expression in mesangial cells via ERK: proliferative and fibrotic signals. Am. J. Physiol.276, F922–930. PubMedCAS Google Scholar
Mossner, R., Dringen, R., Persico, A. M., et al. (2002) Increased hippocampal DNA oxidation in serotonin transporter deficient mice. J. Neural. Transm.109, 557–565. ArticlePubMedCAS Google Scholar
Pietri, M., Schneider, B., Mouillet-Richard, S., et al. (2005) Reactive oxygen species-dependent TNF-alpha converting enzyme activation trough stimulation of 5-HT2B and alpha1D autoreceptors in neuronal cells. FASEB J.19, 1078–1087. ArticlePubMedCAS Google Scholar
Nebigil, C. G., Etienne, N., Messaddeq N, and Maroteaux, L. (2003) Serotonin is a novel survival factor of cardiomyocytes: mitochondria as a target of 5-HT2B-receptor signaling. FASEB J.17, 1373–1375. PubMedCAS Google Scholar
Blanpain, C., Le Poul, E., Parma, J. et al. (2003) Serotonin 5-HT2B receptor loss of function mutation in a patient with fenfluramine-associated primary pulmonary hypertension. Cardiovasc. Res.60, 518–528. ArticlePubMedCAS Google Scholar
Deraet, M., Manivet, P., Janoshazi, A., et al. (2005) The natural mutation encoding a C terminus-truncated 5-Hydroxytryptamine2B receptor is a gain of proliferative functions. Mol. Pharmacol.67, 983–991. ArticlePubMedCAS Google Scholar
Kitamura, K., Singer, W. D., Star, R. A., Muallem, S., and Miller, R. T. (1996) Induction of inducible nitric-oxide synthase by the heterotrimeric G protein Galpha13. J. Biol. Chem.271, 7412–7415. ArticlePubMedCAS Google Scholar
Nebigil, C. G., Launay, J.-M., Hickel, P., Tournois, C., and Maroteaux, L. (2000) 5-Hydroxytryptamine 2B receptor regulates cell-cycle progression: cross talk with tyrosine kinase pathways. Proc. Natl. Acad. Sci. USA97, 2591–2596. ArticlePubMedCAS Google Scholar
Nagao, M., Kaziro, Y., and Itoh, H. (1999) The Src family tyrosine kinase is involved in Rho-dependent activation of c-Jun N-terminal kinase by Galpha12. Oncogene18, 4425–4434. ArticlePubMedCAS Google Scholar
Fagan, K. A., Oka, M., Bauer, N. R., et al. (2004) Attenuation of acute hypoxic pulmonary vasoconstriction and hypoxic pulmonary hypertension in mice by inhibition of Rho-kinase. Am. J. Physiol. Lung Cell Mol. Physiol.287, L656–664. ArticlePubMedCAS Google Scholar
Rondelet, B., Van Beneden, R., Kerbaul, F., et al. (2003) Expression of the serotonin 1b receptor in experimental pulmonary hypertension. Eur. Respir. J.22, 408–412. ArticlePubMedCAS Google Scholar
Abenhaim, L., Moride, Y., Brenot, F., et al. (1996) Appetitesuppressant drugs and the risk of primary pulmonary hypertension. International primary pulmonary hypertension study group. N. Engl. J. Med.335, 609–616. ArticlePubMedCAS Google Scholar
Fitzgerald, L. W., Burn, T. C., Brown, B. S., et al. (2000) Possible role of valvular serotonin 5-HT2B receptors in the cardiopathy associated with fenfluramine. Mol. Pharmacol.57, 75–81. PubMedCAS Google Scholar
Rothman, R. B., Baumann, M. H., Savage, J. E., et al. (2000) Evidence for possible involvement of 5-HT2B receptors in the cardiac valvulopathy associated with fenfluramine and other serotonergic medications. Circulation102, 2836–2841. PubMedCAS Google Scholar
Loscalzo, J. (2001) Genetic clues to the cause of primary pulmonary hypertension. N. Engl. J. Med.345, 367–371. ArticlePubMedCAS Google Scholar
Frid, M. G., Dempsey, E. C., Durmowicz, A. G., and Stenmark, K. R. (1997) Smooth muscle cell heterogeneity in pulmonary and systemic vessels. Importance in vascular disease. Arterioscler. Thromb. Vasc. Biol.17, 1203–1209. PubMedCAS Google Scholar
Lee, S. L., Wang, W. W., Lanzillo, J. J., and Fanburg, B. L. (1994) Regulation of serotonin-induced DNA synthesis of bovine pulmonary artery smooth muscle cells. Am. J. Physiol.266, L53–60. PubMedCAS Google Scholar
Fanburg, B. L. and Lee, S. L. (1997) A new role for an old molecule: serotonin as a mitogen. Am. J. Physiol.272, L795–806. PubMedCAS Google Scholar
Madden, M. C., Vender, R. L., and Friedman, M. (1986) Effect of hypoxia on prostacyclin production in cultured pulmonary artery endothelium. Prostaglandins31, 1049–1062. ArticlePubMedCAS Google Scholar
Rothman, A., Wolner, B., Button D, and Taylor, P. (1994) Immediate-early gene expression in response to hypertrophic and proliferative stimuli in pulmonary arterial smooth muscle cells. J. Biol. Chem.269, 6399–6404. PubMedCAS Google Scholar
Katayose, D., Ohe, M., Yamauchi, K., et al. (1993) Increased expression of PDGFA-and B-chain genes in rat lungs with hypoxic pulmonary hypertension. Am. J. Physiol.264, L100–106. PubMedCAS Google Scholar
Perkett, E. A., Pelton, R. W., Meyrick, B., Gold, L. I., and Miller, D. A. (1994) Expression of transforming growth factor-beta mRNAs and proteins in pulmonary vascular remodeling in the sheep air embolization model of pulmonary hypertension. Am. J. Respir. Cell Mol. Biol.11, 16–24. PubMedCAS Google Scholar
Humbert, M., Monti, G., Brenot, F., et al. (1995) Increased interleukin-1 and interleukin-6 serum concentrations in severe primary pulmonary hypertension. Am. J. Respir. Crit. Care Med.151, 1628–1631. PubMedCAS Google Scholar
Wang, X., Wang, B. R., Duan, X. L., et al. (2002) Strong expression of interleukin-1 receptor type I in the rat carotid body. J. Histochem. Cytochem.50, 1677–1684. PubMedCAS Google Scholar
Cooper, A. L. and Beasley, D. (1999) Hypoxia stimulates proliferation and interleukin-1alpha production in human vascular smooth muscle cells. Am. J. Physiol.277, H1326–1337. PubMedCAS Google Scholar
Yan, S. F., Tritto, I., Pinsky, D., et al. Induction of interleukin 6 (IL-6) by hypoxia in vascular cells. Central role of the binding site for nuclear factor-IL-6. J. Biol. Chem.270, 11,463–11,471.
Jaffré, F., Callebert, J., Sarre, A., et al. (2004) Involvement of the serotonin 5-HT2B receptor in cardiac hypertrophy linked to sympathetic stimulation: control of interleukin-6, interleukin-1 beta, and tumor necrosis factor-alpha cytokine production by ventricular fibroblasts. Circulation110, 969–974. ArticlePubMedCAS Google Scholar
Thompson, K. and Rabinovitch M. (1996) Exogenous leukocyte and endogenous elastases can mediate mitogenic activity in pulmonary artery smooth muscle cells by release of extracellular-matrix bound basic fibrobalst growth factor. J. Cell Physiol166, 495–505. ArticlePubMedCAS Google Scholar
Maruyama, K., Ye, C. L. Woo, M., et al. (1991) Chronic hypoxic pulmonary hypertension in rats and increased elastolytic activity. Am. J. Physiol.261, H1716–1726. PubMedCAS Google Scholar
Novotna, J. and Herget, J. (1998) Exposure to chronic hypoxia induces qualitative changes of collagen in the walls of peripheral pulmonary arteries. Life Sci.62, 1–12. ArticlePubMedCAS Google Scholar
Wilcox, B. D., Rydelek-Fitzgerald, L., and Jeffrey, J. J. (1994) Regulation of uterine collagenase gene expression: interactions between serotonin and progesterone. Mol. Cell Endocrinol.101, 67–75. ArticlePubMedCAS Google Scholar
Semenza, G. L. (2001) HIF-1, O(2), and the 3 PHDs: how animal cells signal hypoxia to the nucleus. Cell107, 1–3. ArticlePubMedCAS Google Scholar
Zhong, H., De Marzo, A. M., Laughner, E., et al. (1999). Overexpression of hypoxia-inducible factor 1alpha in common human cancers and their metastases. Cancer Res.59, 5830–5835. PubMedCAS Google Scholar
Semenza, G. L. (2000) Expression of hypoxia-inducible factor 1: mechanisms and consequences. Biochem. Pharmacol.59, 47–53. ArticlePubMedCAS Google Scholar
Yu, A. Y., Shimoda, L. A., Iyer, N. V., et al. (1999) Semenza, Impaired physiological responses to chronic hypoxia in mice partially deficient for hypoxia-inducible factor 1alpha. J. Clin. Invest.103, 691–696. ArticlePubMedCAS Google Scholar
Page, E. L., Robitaille, G. A., Pouyssegur, J., and Richard, D. E. (2002). Induction of hypoxia-inducible factor-1alpha by transcriptional and translational mechanisms. J. Biol. Chem.277, 48,403–48,409. ArticleCAS Google Scholar
Regula, K. M., Baetz, D., and Kirshenbaum, L. A. (2004) Nuclear factor-kappaB represses hypoxia-induced mitochondrial defects and cell death of ventricular myocytes. Circulation110, 3795–3802. ArticlePubMedCAS Google Scholar
Matsuda, A., Suzuki, Y., Honda, G., et al. (2003) Large-scale identification and characterization of human genes that activate NF-kappaB and MAPK signaling pathways. Oncogene22, 3307–3318. ArticlePubMedCAS Google Scholar
Hagen T, Taylor, C. T., Lam, F., and Moncada, S. (2003) Redistribution of intracellular oxygen in hypoxia by nitric oxide: effect on HIF1alpha. Science302, 1975–1978. ArticlePubMedCAS Google Scholar
Machado, R. D., Kochler, R., Glissmeyer, E., et al. (2006) Genetic association of the serotonin transporter in pulmonary arterial hypertension. Am. J. Respir. Crit. Care Med.173, 793–797. ArticlePubMedCAS Google Scholar