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Morning and nocturnal serum melatonin rhythm levels in patients with major depressive disorder: an analytical cross-sectional study / Medir los niveles del ritmo de melatonina día-noche entre los pacientes con trastorno depresivo mayor: un estudio analítico transversal
Khaleghipour, Shahnaz; Masjedi, Mohsen; Ahade, Hassan; Enayate, Meersalahodin; Pasha, Gholamreza; Nadery, Farah; Ahmadzade, Gholamhossein.
  • Khaleghipour, Shahnaz; Islamic Azad University. Department of Psychology Science and Research Branch. IR
  • Masjedi, Mohsen; Isfahan University of Medical Sciences. Department of Immunology. Isfahan. IR
  • Ahade, Hassan; Alame Tabatabaei University. Department of Psychology. Tehran. IR
  • Enayate, Meersalahodin; Islamic Azad University. Department of Psychology Science and Research Branch. IR
  • Pasha, Gholamreza; Islamic Azad University. Department of Psychology Science and Research Branch. IR
  • Nadery, Farah; Islamic Azad University. Department of Psychology Science and Research Branch. IR
  • Ahmadzade, Gholamhossein; Isfahan University of Medical Sciences. Department of Psychiatry. Isfahan. IR
São Paulo med. j ; 130(3): 167-172, 2012. ilus, tab
Article in English | LILACS | ID: lil-640905
ABSTRACT
CONTEXT AND

OBJECTIVE:

The pineal gland is an adaptive organ that precisely regulates the biological rhythms of melatonin brain hemostasis. Variation in the regulation of melatonin rhythms is a likely cause of depressive disorder. The purpose of this study was to measure serum melatonin levels in patients with major depressive disorder (MDD) and normal control subjects. DESIGN AND

SETTING:

Analytical cross-sectional study at the industrial medical unit of the Iron Smelting Company of Isfahan, Iran.

METHODS:

The morning and nocturnal serum melatonin levels of patients and controls were measured using the enzyme-linked immunosorbent assay (ELISA) method. All data were assessed using variance analysis.

RESULTS:

The morning and nocturnal serum melatonin levels of depressed and healthy subjects differed (P < 0.05). The nocturnal serum melatonin levels of depressed women were lower than those of depressed men (P < 0.05).

CONCLUSIONS:

The findings of this study showed that the nocturnal serum melatonin levels in the depressed patients were lower than in the controls. Thus, the peak melatonin phase in the depressed patients was reached with delay. CLINICAL TRIAL REGISTRATION NUMBER NCT01357083.
RESUMEN
CONTEXTO Y

OBJETIVO:

La glándula pineal actúa precisamente regulando los ritmos biológicos de melatonina de hemostasia cerebral, como un órgano adaptativo. La modificación del ritmo de melatonina puede ser el motivo probable del trastorno depresivo. Este estudio se realizó con el objetivo de medir los niveles de melatonina entre los pacientes con trastorno depresivo mayor y los sanos. DISEÑO Y ESPACIO Estudio analítico transversal-la unidad medicina laboral de empresa de Zob Ahan de Isfahán-Irán.

MÉTODO:

Los niveles de melatonina en suero día-noche se midó entre dos grupos (pacientes y sanos) utilizando el método de ELISA (Ensayo por inmunoabsorción ligado a enzimas). Todos los datos se hizo utilizando el análisis de la varianza.

RESULTADOS:

El nivel de melatonina en suero día-noche era distinto entre los deprimidos y los saludables (P < 0.05). El nivel de melatonina en suero en las mujeres deprimidas fue menos que los varones deprimidos (P < 0.05).

CONCLUSIONES:

Esta investigación muestra que el nivel de melatonina nocturna en los deprimidos ha sido menos que los controlados, pues el pico de fase de melatonina en los pacientes deprimidos alcanza con retraso. NÚMERO DE REGISTRO DE ENSAYO CLÍNICO NCT01357083.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Circadian Rhythm / Depressive Disorder, Major / Melatonin Type of study: Controlled clinical trial / Observational study / Prevalence study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2012 Type: Article Affiliation country: Iran Institution/Affiliation country: Alame Tabatabaei University/IR / Isfahan University of Medical Sciences/IR / Islamic Azad University/IR

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Full text: Available Index: LILACS (Americas) Main subject: Circadian Rhythm / Depressive Disorder, Major / Melatonin Type of study: Controlled clinical trial / Observational study / Prevalence study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2012 Type: Article Affiliation country: Iran Institution/Affiliation country: Alame Tabatabaei University/IR / Isfahan University of Medical Sciences/IR / Islamic Azad University/IR