1 Methods: The model of pulmonary hypertension induced by monocrotaline was established in rats.

2 OBJECTIVE:To study the action of the extract of Peucedanum Praeruptorum Dunnon(PPD) on monocrotaline(MCT)-induced pulmonary hypertension in rats.

3 Effect of dimethyl 4 (2 chlorophenyl) 1,4 dihydro 2,6 dimethyl 3,5 pyridinedicarboxylate on the chronic pulmonary hypertension induced by monocrotaline in rats.

4 To observe the effect of 764-3 on ventricular collagen deposition in pulmonary hypertension induced by chronic hypoxia or monocrotaline (MCT) in rats.

5 Objective To study the effect of compound macrostem onion capsule(CMOC) on products of arachidonic acid metabolism in monocrotaline(MCT)-induced pulmonary artery hypertension rats.

6 Methods Chronic inflammatory PHT was induced in rats with monocrotaline. The PKC activities in the rat pulmonary arteries were measured by radioactive assay during the development of PHT.

7 Pulmonary hypertension(PHT)was induced in rats by a single subcutaneous injection of monocrotaline (MCT).

8 Objective:To observe the effect of LHI injection on rat pulmonary hypertension(PH)caused by Monocrotaline(MCT).

9 Objective To explore the therapeutic effect of simvastatin on the pulmonary hypertension induced by injected monocrotaline combining with high pulmonary blood flow of rats.