{"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":"2026-10-06T18:19:32","modified_gmt":"2026-10-06T22:19:32","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 principal mediador de la erecci\u00f3n del pene.<sup>1<\/sup> Es una mol\u00e9cula gaseosa de tipo radical libre que se sintetiza a partir de la L-arginina mediante la enzima \u00f3xido n\u00edtrico sintasa (NOS).<sup>2<\/sup> Liberado tanto por las c\u00e9lulas nerviosas como por las endoteliales de los cuerpos cavernosos del pene, el NO activa la guanilil ciclasa soluble, que aumenta las concentraciones de 3\u2032,5\u2032-monofosfato de guanosina c\u00edclico (GMPc).<sup>3<\/sup> Como mol\u00e9cula de segundo mensajero, el GMPc regula la actividad de los canales de calcio y de las prote\u00ednas contr\u00e1ctiles intracelulares, lo que desencadena 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, lo que provoca la compresi\u00f3n de las venas emisarias, que retiene la sangre en el pene y produce rigidez.<sup>5<\/sup> La alteraci\u00f3n de la bioactividad del NO se reconoce como un mecanismo patog\u00e9nico importante de la disfunci\u00f3n er\u00e9ctil.<sup>6<\/sup><\/p>","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 del pene, esencial para una funci\u00f3n sexual normal.<sup>1<\/sup> Cl\u00ednicamente, el NO es relevante en el diagn\u00f3stico y el tratamiento de la disfunci\u00f3n er\u00e9ctil (DE), una afecci\u00f3n frecuente cuya prevalencia aumenta marcadamente con la edad.<sup>2<\/sup> La DE se asocia al envejecimiento y a diversas afecciones m\u00e9dicas, como la hipertensi\u00f3n, la enfermedad cardiovascular, la diabetes mellitus, la hipercolesterolemia y la depresi\u00f3n.<sup>3<\/sup><\/p>\n\n<p>La v\u00eda NO-GMPc es la principal diana de las intervenciones farmacol\u00f3gicas en la DE.<sup>4<\/sup> Los tratamientos orales de primera l\u00ednea para la DE incluyen los inhibidores de la fosfodiesterasa tipo 5 (PDE-5) (como sildenafilo, tadalafilo y vardenafilo), que mejoran la funci\u00f3n er\u00e9ctil al impedir la degradaci\u00f3n del GMPc generado por el NO.<sup>5<\/sup> Estos medicamentos han demostrado una elevada tolerabilidad y altas tasas de \u00e9xito en la mejora de la funci\u00f3n er\u00e9ctil.<sup>6<\/sup><\/p>\n\n<p>En los pacientes que no responden a los inhibidores de la PDE-5, entre los tratamientos alternativos dirigidos a la v\u00eda del NO se encuentran los activadores de la guanilil ciclasa soluble y los donantes de NO.<sup>7<\/sup> En los casos graves de DE en los que las intervenciones farmacol\u00f3gicas son ineficaces, puede considerarse la implantaci\u00f3n quir\u00fargica de una pr\u00f3tesis de pene.<sup>8<\/sup><\/p>\n\n<p>Investigaciones recientes tambi\u00e9n han explorado abordajes 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, con resultados prometedores para futuros avances terap\u00e9uticos.<sup>9<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":true,"gt-view-count":22},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - 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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