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Figure 2 (A) Reverse-transcriptase polymerase chain reaction (RT-PCR) products of angiotensinogen (AGTN), angiotensin-converting enzyme (ACE), AT1, AT2 and chymase from the myocardium of the control hearts (CH) and from the hearts of patients with stable effort angina (SA) and unstable angina (UA). (B) Densitometric quantification of RT-PCR products of AGTN, ACE and AT1 from human myocardium in a nonfailing heart, SA and UA hearts. In UA hearts, the levels for AGTN, ACE and AT1 messenger RNA were significantly increased versus control hearts and SA hearts (for both p < 0.01). Data are reported as mean ± SD.
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