{"id":32825,"date":"2026-09-04T18:07:00","date_gmt":"2026-09-04T22:07:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32825"},"modified":"2026-09-05T06:02:00","modified_gmt":"2026-09-05T10:02:00","slug":"oxido-nitrico-en-la-ereccion","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/oxido-nitrico-en-la-ereccion\/","title":{"rendered":"\u00d3xido n\u00edtrico (en la erecci\u00f3n)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[141],"glossary-product":[104,105],"class_list":["post-32825","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-erectile-dysfunction-treatments","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>El \u00f3xido n\u00edtrico (NO) es un neurotransmisor y una mol\u00e9cula de se\u00f1alizaci\u00f3n clave que act\u00faa como el principal mediador de la erecci\u00f3n peneana.<sup>1<\/sup> Es una mol\u00e9cula gaseosa de radical libre sintetizada a partir de la L-arginina por la enzima \u00f3xido n\u00edtrico sintasa (NOS).<sup>2<\/sup> Liberado tanto por c\u00e9lulas nerviosas como endoteliales en los cuerpos cavernosos del pene, el NO activa la guanilil ciclasa soluble, lo que incrementa los niveles de guanos\u00edn monofosfato c\u00edclico 3\u2032,5\u2032 (cGMP).<sup>3<\/sup> Al actuar como mol\u00e9cula de segundo mensajero, el cGMP regula la actividad de los canales de calcio y de las prote\u00ednas contr\u00e1ctiles intracelulares, desencadenando la relajaci\u00f3n del m\u00fasculo liso del cuerpo cavernoso.<sup>4<\/sup> Esta relajaci\u00f3n permite un mayor flujo sangu\u00edneo hacia el pene, provocando la compresi\u00f3n de las venas emisarias, lo que atrapa la sangre en el pene y produce rigidez.<sup>5<\/sup> El deterioro de la bioactividad del NO se reconoce como un mecanismo patog\u00e9nico fundamental de la disfunci\u00f3n er\u00e9ctil.<sup>6<\/sup><\/p>\n","gt-synonyms":"NO, EDRF (factor de relajaci\u00f3n derivado del endotelio), mon\u00f3xido de nitr\u00f3geno, \u00f3xido de nitr\u00f3geno","gt-citation":"[1] Burnett AL. The role of nitric oxide in erectile dysfunction: implications for medical therapy. J Clin Hypertens (Greenwich). 2006;8(12 Suppl 4):53-62. doi: 10.1111\/j.1524-6175.2006.06026.x\n\n[2] Burnett AL. Nitric oxide in the penis: physiology and pathology. J Urol. 1997;157(1):320-324. doi: 10.1016\/S0022-5347(01)65369-2\n\n[3] Cartledge J, Minhas S, Eardley I. The role of nitric oxide in penile erection. Expert Opin Pharmacother. 2001;2(1):95-107. doi: 10.1517\/14656566.2.1.95\n\n[4] Sullivan ME, Thompson CS, Dashwood MR, et al. Nitric oxide and penile erection: is erectile dysfunction another manifestation of vascular disease? Cardiovasc Res. 1999;43(3):658-665. doi: 10.1016\/S0008-6363(99)00135-2\n\n[5] Champion HC, Bivalacqua TJ, Hyman AL, et al. Gene transfer of endothelial nitric oxide synthase to the penis augments erectile responses in the aged rat. Proc Natl Acad Sci U S A. 1999;96(20):11648-11652. doi: 10.1073\/pnas.96.20.11648\n\n[6] Melis MR, Succu S, Mascia MS, et al. Erectile Function and Sexual Behavior: A Review of the Role of Central Nitric Oxide. Biomolecules. 2021;11(12):1866. doi: 10.3390\/biom11121866","gt-clinical-context":"<p>El \u00f3xido n\u00edtrico desempe\u00f1a un papel crucial en el proceso fisiol\u00f3gico de la erecci\u00f3n peneana, fundamental para una funci\u00f3n sexual normal.<sup>1<\/sup> Cl\u00ednicamente, el NO es relevante en el diagn\u00f3stico y tratamiento de la disfunci\u00f3n er\u00e9ctil (ED), una afecci\u00f3n que afecta aproximadamente a 30 millones de varones solo en los Estados Unidos.<sup>2<\/sup> La ED se asocia con el envejecimiento y diversas afecciones m\u00e9dicas, como hipertensi\u00f3n, enfermedad cardiovascular, diabetes mellitus, hipercolesterolemia y depresi\u00f3n.<sup>3<\/sup><\/p>\n<p>La v\u00eda del NO-cGMP es la principal diana de las intervenciones farmacol\u00f3gicas en la ED.<sup>4<\/sup> Las terapias orales de primera l\u00ednea para la ED incluyen los inhibidores de la fosfodiesterasa tipo 5 (PDE-5) (como el sildenafilo, el tadalafilo y el vardenafilo), que mejoran la funci\u00f3n er\u00e9ctil al evitar la degradaci\u00f3n del cGMP generado por el NO.<sup>5<\/sup> Estos medicamentos han demostrado una alta tolerabilidad y tasas de \u00e9xito en la mejora de la funci\u00f3n er\u00e9ctil.<sup>6<\/sup><\/p>\n<p>Para los pacientes que no responden a los inhibidores de la PDE-5, las terapias alternativas dirigidas a la v\u00eda del NO incluyen activadores de la guanilil ciclasa soluble y donadores de NO.<sup>7<\/sup> En casos graves de ED en los que las intervenciones farmacol\u00f3gicas no resultan eficaces, se puede considerar el implante quir\u00fargico de pr\u00f3tesis de pene.<sup>8<\/sup><\/p>\n<p>Investigaciones recientes tambi\u00e9n han explorado enfoques de terapia g\u00e9nica, como la transferencia del gen de la \u00f3xido n\u00edtrico sintasa endotelial (eNOS) para mejorar la funci\u00f3n er\u00e9ctil en modelos animales, mostrando resultados prometedores para futuros desarrollos terap\u00e9uticos.<sup>9<\/sup><\/p>\n","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":true,"gt-view-count":2},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00d3xido n\u00edtrico en la erecci\u00f3n y funci\u00f3n er\u00e9ctil<\/title>\n<meta name=\"description\" content=\"El \u00f3xido n\u00edtrico relaja el m\u00fasculo liso cavernoso, un proceso clave para la erecci\u00f3n que incrementa el flujo sangu\u00edneo peneano.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rigicon.com\/es\/glossary-term\/oxido-nitrico-en-la-ereccion\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00d3xido n\u00edtrico en la erecci\u00f3n y 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