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Application of ciglitazone in preparing drugs for treating pulmonary arterial hypertension

A technology for pulmonary arterial hypertension and ciglitazone, applied in the field of biomedicine, can solve problems such as poor treatment effect, and achieve the effects of reducing average pulmonary artery pressure and pulmonary vascular resistance, improving pulmonary vascular remodeling, and promoting apoptosis

Inactive Publication Date: 2019-03-26
张锐
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide the application of ciglitazone in the preparation of the medicine for treating pulmonary hypertension. Technical issues with ineffective drug therapy

Method used

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  • Application of ciglitazone in preparing drugs for treating pulmonary arterial hypertension
  • Application of ciglitazone in preparing drugs for treating pulmonary arterial hypertension
  • Application of ciglitazone in preparing drugs for treating pulmonary arterial hypertension

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1. Materials and methods

[0020] 1.1 Establishment of Rat Pulmonary Hypertension Model

[0021] One-time subcutaneous injection of monocrotaline (Monocrotaline, MCT, 60mg / kg) was performed on the back of the neck. After 3 weeks, the pulmonary artery pressure and hemodynamic parameters were randomly measured by right heart catheterization to determine whether the model was established successfully.

[0022] 1.2 Experimental grouping and drug intervention

[0023] 50 male SPF grade SD rats (provided by the Animal Room of Shanghai Chinese Academy of Sciences), weighing 200-220g. SD rats were randomly divided into normal control group, model group, and different dose groups of ciglitazone (1 mg / kg / d, 3 mg / kg / d, 10 mg / kg / d), with 10 rats in each group. The normal control group was given normal saline (0.3ml / kg / d) by intragastric administration, and the rest of the rats in the other groups were subcutaneously injected with MCT (60mg / kg) at the back of the neck, starting fr...

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Abstract

The invention belongs to the field of medicinal chemistry and provides an application of ciglitazone in preparing drugs for treating pulmonary arterial hypertension. An experiment of the invention proves that ciglitazone is capable of effectively reducing average pulmonary artery pressure and pulmonary vasculature resistance of pulmonary arterial hypertension rats, increasing cardiac output, reducing right ventricular hypertrophy index, improving pulmonary vasculature remodeling and increasing protein expression of Gamma(peroxisome proliferation activated receptor, PPAR Gamma). The experimentproves that ciglitazone has a therapeutic effect on pulmonary arterial hypertension.

Description

Technical field: [0001] The invention belongs to the field of biomedicine and relates to a ciglitazone, in particular to the application of ciglitazone in the preparation of medicines for treating pulmonary hypertension. Background technique: [0002] Pulmonary arterial hypertension (PAH) is a group of malignant diseases characterized by continuous increase in pulmonary vascular resistance, which can eventually lead to right heart failure and death. Pulmonary vasoconstriction, pulmonary vascular remodeling and thrombosis are the main causes of increased pulmonary vascular resistance, among which cell proliferation and vascular remodeling are the central links leading to the pathogenesis of PAH. In recent years, the emergence of targeted drugs such as prostacyclin analogs, endothelin receptor antagonists, and phosphodiesterase type 5 inhibitors has improved the quality of life of PAH patients to a certain extent. However, although these drugs can dilate pulmonary arteries, r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/421A61P9/12A61P11/00
CPCA61K31/421A61P9/12A61P11/00
Inventor 张锐张云龙张轲珩
Owner 张锐
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