The aim of this study was to define the neurohumoral response associated with the renal hemodynamic perturbations induced by mental stress acting as an adrenergic stimulus. In 8 healthy women, the effects of mental stress were studied during four consecutive 30-minute periods (baseline, mental stress, recovery I, recovery II). Mental stress induced sympathetic activation as evidenced by increases in blood pressure, heart rate, and plasma norepinephrine level. Effective renal plasma flow (iodine 131-1abeled hippurate clearance) decreased only during mental stress (-22%, p < 0.05 vs baseline); glomerular filtration rate (iodine 125-1abeled iotalamate clearance) remained constant during the entire experiment; the filtration fraction increased significantly during mental stress and recovery I (+30% and +22%, respectively, p < 0.02 for both). Complex neuroendocrine responses were associated with the hemodynamic changes. Urinary excretion of endothelin- I and 6-keto-PGF1~ increased during mental stress (+53%, p < 0.01, and +20%, p < 0.01, respectively) and recovery I (+49% and +29%, respectively, p < 0.01 for both). Urinary cyclic guanosine monophosphate rose only during mental stress (+ 77%, p < 0.05), whereas excretion of PGE2 showed a stepwise increase throughout recovery I and II (+292%, p < 0.01, and +360%, p < 0.001, respectively), in conclusion, the present experiments demonstrate that renal hemodynamic response induced by mental stress is a complex reaction in which endothelin-1, prostaglandins, and presumably nitric oxide take part. (J Lab Clin Med 1997; 129:462-9)

Renal adaptation to stress: A possibleendothelin release and prostaglandinthe human subject / SERGIO CASTELLANI; ANDREA UNGAR; GIUSEPPE LA CAVA; CLAUDIA CANTINI; CRISTINA STEFANILE; ALBERTO CAMAITI; GIANNI MESSERI; MIRELLA COPPO; BARBARA VALLOTTI; CLAUDIA DI SERIO; ALESSANDRO BROCCHI; GIULIO MASOTTI. - In: JOURNAL OF LABORATORY AND CLINICAL MEDICINE. - ISSN 0022-2143. - ELETTRONICO. - 129:(1997), pp. 462-469.

Renal adaptation to stress: A possibleendothelin release and prostaglandinthe human subject

CASTELLANI, SERGIO;ANDREA UNGAR;STEFANILE, CRISTINA;COPPO, MIRELLA;CLAUDIA DI SERIO;MASOTTI, GIULIO
1997

Abstract

The aim of this study was to define the neurohumoral response associated with the renal hemodynamic perturbations induced by mental stress acting as an adrenergic stimulus. In 8 healthy women, the effects of mental stress were studied during four consecutive 30-minute periods (baseline, mental stress, recovery I, recovery II). Mental stress induced sympathetic activation as evidenced by increases in blood pressure, heart rate, and plasma norepinephrine level. Effective renal plasma flow (iodine 131-1abeled hippurate clearance) decreased only during mental stress (-22%, p < 0.05 vs baseline); glomerular filtration rate (iodine 125-1abeled iotalamate clearance) remained constant during the entire experiment; the filtration fraction increased significantly during mental stress and recovery I (+30% and +22%, respectively, p < 0.02 for both). Complex neuroendocrine responses were associated with the hemodynamic changes. Urinary excretion of endothelin- I and 6-keto-PGF1~ increased during mental stress (+53%, p < 0.01, and +20%, p < 0.01, respectively) and recovery I (+49% and +29%, respectively, p < 0.01 for both). Urinary cyclic guanosine monophosphate rose only during mental stress (+ 77%, p < 0.05), whereas excretion of PGE2 showed a stepwise increase throughout recovery I and II (+292%, p < 0.01, and +360%, p < 0.001, respectively), in conclusion, the present experiments demonstrate that renal hemodynamic response induced by mental stress is a complex reaction in which endothelin-1, prostaglandins, and presumably nitric oxide take part. (J Lab Clin Med 1997; 129:462-9)
1997
129
462
469
SERGIO CASTELLANI; ANDREA UNGAR; GIUSEPPE LA CAVA; CLAUDIA CANTINI; CRISTINA STEFANILE; ALBERTO CAMAITI; GIANNI MESSERI; MIRELLA COPPO; BARBARA VALL...espandi
File in questo prodotto:
File Dimensione Formato  
CASTELLANI 1997.pdf

accesso aperto

Tipologia: Versione finale referata (Postprint, Accepted manuscript)
Licenza: Open Access
Dimensione 820.73 kB
Formato Adobe PDF
820.73 kB Adobe PDF

I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/743925
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact