Decrease of phagocytic functions in hypertensive rats.

Abstract:

:The present investigation was aimed to examine non-specific immunologic capabilities of spontaneously hypertensive rats (SHR) during the development of hypertension. In vitro phagocytosis and oxidative killing exerted by monocytes, polymorphonuclear cells (PMN) and splenic macrophages (SpM0) were evaluated in SHR at 5-, 8-, and 24-weeks of age. Age-matched normotensive Wistar-Kyoto (WKY) rats were used as controls. Results showed that in pre-hypertensive stage (5-wk) there was no difference between SHR and WKY rats with regard to non-specific immunologic functions. Statistically significant differences in both phagocytosis and oxidative killing arose in early hypertensive stage (8-wk) and became more marked in adult SHR with established hypertension (24-wk). In conclusion, our data provide evidence of novel immunologic abnormalities in SHR in terms of ingestion and bactericidal phagocytic capabilities. The mechanisms responsible for these impaired immunologic functions may depend on various suppressive factors which will be object of discussion.

authors

Serio M,Potenza MA,Vulpis V,Pirrelli A,Mitolo-Chieppa D,Jirillo E

doi

10.3109/08923979409007094

subject

Has Abstract

pub_date

1994-05-01 00:00:00

pages

261-80

issue

2

eissn

0892-3973

issn

1532-2513

journal_volume

16

pub_type

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