{"id":51682,"date":"2025-05-02T13:40:39","date_gmt":"2025-05-02T18:40:39","guid":{"rendered":"https:\/\/gaceta.facmed.unam.mx\/?p=51682"},"modified":"2025-05-02T13:43:32","modified_gmt":"2025-05-02T18:43:32","slug":"modulacion-cerebelosa-de-la-conducta-impulsiva-y-el-consumo-de-alcohol","status":"publish","type":"post","link":"https:\/\/gaceta.facmed.unam.mx\/index.php\/2025\/05\/02\/modulacion-cerebelosa-de-la-conducta-impulsiva-y-el-consumo-de-alcohol\/","title":{"rendered":"Modulaci\u00f3n\u00a0cerebelosa\u00a0de la\u00a0conducta\u00a0impulsiva\u00a0y\u00a0el\u00a0consumo\u00a0de\u00a0alcohol"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Como parte del Seminario de Investigaci\u00f3n del Departamento de Fisiolog\u00eda de la Facultad de Medicina, la doctora M\u00f3nica M\u00e9ndez D\u00edaz abord\u00f3&nbsp;el&nbsp;tema \u201cModulaci\u00f3n&nbsp;cerebelosa&nbsp;de la&nbsp;conducta&nbsp;impulsiva&nbsp;y&nbsp;el&nbsp;consumo&nbsp;de&nbsp;alcohol: Un estudio comparativo sobre&nbsp;el&nbsp;receptor CB1 en ratas adolescentes, adultas&nbsp;y&nbsp;envejecidas\u201d.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522.jpg?resize=768%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-51684\" srcset=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?resize=1536%2C2048&amp;ssl=1 1536w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?resize=1080%2C1440&amp;ssl=1 1080w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5522-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>En&nbsp;el&nbsp;auditorio \u201cDr. Octavio Rivero Serrano\u201d, la ponente, quien es investigadora del Departamento de Fisiolog\u00eda, cont\u00f3 la historia de la investigaci\u00f3n sobre&nbsp;el&nbsp;autocontrol&nbsp;y&nbsp;c\u00f3mo \u00e9ste se relaciona con la evoluci\u00f3n del cerebro humano, resaltando la importancia del autocontrol para&nbsp;el&nbsp;\u00e9xito en la vida, tanto en&nbsp;el&nbsp;\u00e1mbito acad\u00e9mico como financiero,&nbsp;y&nbsp;c\u00f3mo \u00e9ste se desarrolla a lo largo de la vida, siendo particularmente importante durante la adolescencia.<\/p>\n\n\n\n<p>En la sesi\u00f3n moderada por&nbsp;el&nbsp;doctor H\u00e9ctor Castro Mart\u00ednez, Coordinador de Investigaci\u00f3n del Departamento, la experta tambi\u00e9n analiz\u00f3 las estructuras cerebrales que regulan&nbsp;el&nbsp;autocontrol, incluyendo la neocorteza, la corteza prefrontal, los n\u00facleos subtal\u00e1micos, la corteza premotora&nbsp;y&nbsp;el&nbsp;globo p\u00e1lido, as\u00ed como la expresi\u00f3n del receptor CB1 en dichas estructuras.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1.jpg?resize=1024%2C768&#038;ssl=1\" alt=\"\" class=\"wp-image-51685\" srcset=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=2048%2C1536&amp;ssl=1 2048w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?resize=1080%2C810&amp;ssl=1 1080w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5534-1-scaled.jpg?w=2160&amp;ssl=1 2160w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>El&nbsp;receptor CB1 est\u00e1 acoplado a una prote\u00edna G de inhibici\u00f3n&nbsp;y&nbsp;se expresa en c\u00e9lulas glutamat\u00e9rgicas&nbsp;y&nbsp;GABA\u00e9rgicas; la ponente mencion\u00f3 que al regular la actividad sin\u00e1ptica, este receptor podr\u00eda estar involucrado en la impulsividad.&nbsp;<\/p>\n\n\n\n<p>La doctora M\u00e9ndez D\u00edaz realiz\u00f3 una serie de experimentos para estudiar la relaci\u00f3n entre&nbsp;el&nbsp;receptor CB1&nbsp;y&nbsp;la impulsividad en ratas de distintas edades: adolescentes, adultas&nbsp;y&nbsp;ancianas, as\u00ed como la influencia de \u00e9ste en&nbsp;el&nbsp;consumo&nbsp;de&nbsp;alcohol.&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527.jpg?resize=768%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-51687\" srcset=\"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?resize=1536%2C2048&amp;ssl=1 1536w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?resize=1080%2C1440&amp;ssl=1 1080w, https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/IMG_5527-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Los resultados que encontr\u00f3 sugieren que\u00a0el\u00a0receptor CB1 juega un papel importante en la impulsividad\u00a0y\u00a0el\u00a0consumo\u00a0de\u00a0alcohol\u00a0en ratas adolescentes: la expresi\u00f3n del receptor CB1 es mayor en\u00a0el\u00a0hipocampo\u00a0y\u00a0el\u00a0cerebelo de las ratas adolescentes en comparaci\u00f3n con las adultas; la manipulaci\u00f3n del sistema de cannabinoides, a trav\u00e9s de la administraci\u00f3n de agonistas\u00a0y\u00a0antagonistas del receptor CB1, puede afectar\u00a0el\u00a0consumo\u00a0de\u00a0alcohol\u00a0en ratas\u00a0y\u00a0la expresi\u00f3n del receptor CB1 cambia con la edad, encontr\u00e1ndose en ratas envejecidas principalmente en la gl\u00eda. Por \u00faltimo, coment\u00f3 que se necesitan m\u00e1s estudios para determinar\u00a0el\u00a0papel espec\u00edfico del receptor CB1 en la impulsividad\u00a0y\u00a0el\u00a0consumo\u00a0de\u00a0alcohol\u00a0en humanos.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>Jorge Ugalde<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Como parte del Seminario de Investigaci\u00f3n del Departamento de Fisiolog\u00eda de la Facultad de Medicina, la doctora M\u00f3nica M\u00e9ndez D\u00edaz abord\u00f3&nbsp;el&nbsp;tema \u201cModulaci\u00f3n&nbsp;cerebelosa&nbsp;de la&nbsp;conducta&nbsp;impulsiva&nbsp;y&nbsp;el&nbsp;consumo&nbsp;de&nbsp;alcohol: Un estudio comparativo sobre&nbsp;el&nbsp;receptor CB1 en ratas adolescentes, adultas&nbsp;y&nbsp;envejecidas\u201d. En&nbsp;el&nbsp;auditorio \u201cDr. Octavio Rivero Serrano\u201d, la ponente, quien es investigadora del Departamento de Fisiolog\u00eda, cont\u00f3 la historia de la investigaci\u00f3n sobre&nbsp;el&nbsp;autocontrol&nbsp;y&nbsp;c\u00f3mo \u00e9ste se [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":51689,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[9],"tags":[510,262],"class_list":["post-51682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-academia","tag-facultad-de-medicina","tag-unam","et-has-post-format-content","et_post_format-et-post-format-standard"],"acf":false,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/gaceta.facmed.unam.mx\/wp-content\/uploads\/2025\/05\/Carteles-1.jpg?fit=1280%2C700&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paVGDG-drA","_links":{"self":[{"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/posts\/51682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/comments?post=51682"}],"version-history":[{"count":1,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/posts\/51682\/revisions"}],"predecessor-version":[{"id":51688,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/posts\/51682\/revisions\/51688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/media\/51689"}],"wp:attachment":[{"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/media?parent=51682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/categories?post=51682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaceta.facmed.unam.mx\/index.php\/wp-json\/wp\/v2\/tags?post=51682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}