Investigation of melatonin receptor gene and protein expression in human peripheral blood lymphocytes / 中国病理生理杂志
Chinese Journal of Pathophysiology
;
(12)1989.
Artículo
en Chino
| WPRIM
| ID: wpr-522758
ABSTRACT
AIM:
To investigate the melatonin receptor (MR) gene and protein expression in the human peripheral blood lymphocytes.METHODS:
Total RNA of human peripheral lymphocytes was isolated by single step method of acid guanidinium-thiocyanate-phenol-chloform, mt 1 and MT 2 mRNA were determined by the reverse transcription-polymerase chain reaction(RT-PCR). Immunohistochemistry was applied to identify and localize mt 1 and MT 2 protein.RESULTS:
1 1 kb mt 1 mRNA was detected by Northern blot, but 1 1 kb MT 2 mRNA was not detected. The mt 1 cDNA fragment of the expected size of 370 bp was determined and the MT 2 cDNA fragment of the expected size of 320 bp was not determined by RT-PCR. Sequencing result indicated that the positive product coincided with the cDNA of human mt 1. The mt 1 protein was observed by immunohistochemistry. These buffy positive granules were scattered with some areas stronger than the others, and primarily located in cytoplasm and membrane, with rare location in nucleus; meanwhile the MT 2 protein was not observed.CONCLUSION:
These results demonstrated the mt 1 mRNA and protein expression in human peripheral leukocytes. It is indicated that melatonin has directly immune-regulative effects on peripheral lymphocytes.
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Idioma:
Chino
Revista:
Chinese Journal of Pathophysiology
Año:
1989
Tipo del documento:
Artículo
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