Guía de Investigación

Guía de péptidos cognitivos

Guía de péptidos cognitivos Selank y Semax. Mecanismos, BDNF, efectos ansiolíticos y neuroimagen con citas PubMed.

Última actualización 11 jun 2026 1 min read

os heptapéptidos sintéticos han despertado interés: Selank Selank Selank synthetic heptapeptide derived from tuftsin Tuftsin-derived anxiolytic peptide studied for immune modulation and stress response y Semax Semax Semax synthetic heptapeptide derived from adrenocorticotropic hormone ACTH-derived nootropic peptide studied for BDNF modulation and cognitive performance . Ambos de programas rusos, ambos intranasales, con mecanismos diferentes.

** Selank Selank Selank synthetic heptapeptide derived from tuftsin Tuftsin-derived anxiolytic peptide studied for immune modulation and stress response **: análogo de tuftsin PMID: 21833148 . ** Semax Semax Semax synthetic heptapeptide derived from adrenocorticotropic hormone ACTH-derived nootropic peptide studied for BDNF modulation and cognitive performance **: fragmento de ACTH(4-10) PMID: 16996037 .

Estudio fMRI 2020 en 52 voluntarios PMID: 32342318 .

Resumen

Selank Selank Selank synthetic heptapeptide derived from tuftsin Tuftsin-derived anxiolytic peptide studied for immune modulation and stress response actúa por el eje estrés-cognición PMID: 21833148 . Semax Semax Semax synthetic heptapeptide derived from adrenocorticotropic hormone ACTH-derived nootropic peptide studied for BDNF modulation and cognitive performance por el eje neurotrófico PMID: 16996037 . El estrés crónico suprime BDNF hipocampal.

Compuestos en Esta Guía

Selank

Tuftsin-derived anxiolytic peptide studied for immune modulation and stress response

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** Selank Selank Selank synthetic heptapeptide derived from tuftsin Tuftsin-derived anxiolytic peptide studied for immune modulation and stress response **: heptapéptido de tuftsin (751,9 Da). Inhibición de encefalinasa PMID: 21833148 , modulación de citoquinas PMID: 32621722 , sistema GABAérgico. Estudio 62 pacientes: comparable al medazepam PMID: 18454096 .

anxiety-reduction immune-modulation cognitive-enhancement

Semax

ACTH-derived nootropic peptide studied for BDNF modulation and cognitive performance

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** Semax Semax Semax synthetic heptapeptide derived from adrenocorticotropic hormone ACTH-derived nootropic peptide studied for BDNF modulation and cognitive performance **: heptapéptido de ACTH(4-10) (813,9 Da). BDNF (1,4x), TrkB (1,6x) PMID: 16996037 . Serotonina/dopamina PMID: 25313017 .

cognitive-enhancement neuroprotection mood-support

Cómo Funcionan Juntos

Mecanismos no superpuestos. fMRI 2020 PMID: 32342318 : firmas neurales distintas.

Ningún ensayo ha probado la combinación.

Preguntas Frecuentes

Frequently Asked Questions

Resumen

Dos enfoques complementarios. La literatura no establece si la combinación produce beneficios clínicos adicionales.