Key result
Lymphocyte-deficient scid mice exhibited a significantly blunted hypertensive response to chronic angiotensin II infusion compared to wild-type controls (mean arterial pressure 138 vs 151 mmHg).
Why the study?
Does lymphocyte deficiency reduce blood pressure elevation and end-organ damage in ANG II-dependent hypertension in mice?
Population
scid mice lacking lymphocyte responses and wild-type controls
Comparison
Chronic angiotensin II infusion for 4 weeks vs Wild-type controls receiving chronic ANG II…
Design
Preclinical
Follow-up
4 weeks
Authors
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Hypothesis-generating for immune modulation in Ang II hypertension; leaves open human translation and clinical relevance.
Does lymphocyte deficiency reduce blood pressure elevation and end-organ damage in ANG II-dependent hypertension in mice?
Absolute Event Rate: 138% vs 151%
p-value: p=<0.001
Lymphocyte deficiency protects against ANG II-induced hypertension and end-organ damage by promoting sodium excretion, potentially via eNOS and COX-2 pathways.
Crowley et al. (2010) studied Angiotensin II-dependent hypertension. Lymphocyte deficiency (scid mice) vs. Wild-type mice was evaluated on Mean arterial pressure (MAP) over the Angiotensin II infusion period (p=<0.001). Lymphocyte-deficient scid mice exhibited a significantly blunted hypertensive response to chronic angiotensin II infusion compared to wild-type controls (mean arterial pressure 138 vs 151 mmHg).
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