[Expression of urotensin II and G-protein coupled receptor 14 mRNA in human pheochromocytoma tissues].

Zhongguo Yi Xue Ke Xue Yuan Xue Bao

Department of Endocrinology, PUMC Hospital, CAMS and PUMC, Beijing 100730, China.

Published: August 2005

AI Article Synopsis

  • The study aimed to investigate the expression levels of urotensin II (U II) and G-protein coupled receptor 14 (GPR14) mRNA in human pheochromocytoma tissues compared to normal adrenal tissues.
  • The researchers found that both U II and GPR14 mRNA levels were significantly lower in pheochromocytoma tissues than in normal adrenal cortex and medulla, indicating a potential impact on tumor behavior and hypertension.
  • The results suggest that U II and GPR14 might play a role in the development of pheochromocytoma and its relation to hypertension regulation.

Article Abstract

Objective: To investigate the expression of urotensin II (U II) and G-protein coupled receptor 14 (GPR14) mRNA in human pheochromocytoma tissues.

Methods: Total RNA from normal adrenal and pheochromocytoma tissues was extracted. The reverse transcription-polymerase chain reaction method was used to evaluate the levels of U II and GPR14 mRNA expression in human pheochromocytoma tissues.

Results: There was no significant difference of U II and GPR14 mRNA expression between normal adrenal cortex and medulla. The expression of U II and GPR14 mRNA in pheochromocytoma was significantly lower than that in normal adrenal cortex and medulla (P < 0.05). The expression of GPR14 mRNA in adrenal pheochromocytomas was significantly lower than that of extra-adrenal pheochromocytomas (P < 0.05).

Conclusion: U II and GPR14 may play a role in the pathogenesis and hypertension regulating of pheochromocytoma.

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