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Application of circulating miRNA in serving as age-related macular degeneration diagnostic markers
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A technology of macular degeneration and markers, applied in the field of clinical diagnosis of molecular biology and medicine
Pending Publication Date: 2016-08-17
SHANGHAI TENTH PEOPLES HOSPITAL
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However, there is no report on the application of the circulating miRNA of the present invention as a diagnostic marker for neovascular age-related macular degeneration
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[0039] All the research subjects were from the patients who visited the Ophthalmology Department of the Tenth People's Hospital Affiliated to Tongji University from June 2012 to July 2012, and all the selected patients signed the informed consent.
[0044] (1) Corrected visual acuity <0.5, may have metamorphopsia, and gaze shadows in front of the eyes.
[0045] (2) Fundus photography: there are fused ill-defined drusen and subretinal hemorrhage in the macular area.
[0046] (3) O...
Embodiment 2
[0111] Example 2 Verification research of differential circulating miRNA
[0112] 1. Materials and methods
[0113] 1. Research Methods
[0114] All the research subjects were from patients who visited the Ophthalmology Department of the Tenth People's Hospital Affiliated to Tongji University from June 2012 to September 2012, and all signed the informed consent.
[0118] (1) Visual acuity was not significantly affected, and the central visual acuity of all patients ...
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Abstract
The invention relates to application of circulating miRNA in serving as age-related macular degeneration diagnostic markers. Expression differences of miRNA between patients with neovascular AMD and patients with cataract are detected through a miRNA expressionchip, ten pieces of miRNA are selected from all miRNA subjected to differential expression for verification, a sample is enlarged, special miRNA expression is conducted through a fluorescent quantitative PCR method, comparison is conducted on the content of different miRNA in the patients with AMD and a control group, and the feasibility of serving as the diagnostic markers is verified. It is displayed through ROC curve analysis that AUC of miR-27a-3p, AUC of miR-29b-3p and AUC of miR-195-5p are 79.1%, 72.7% and 70.7% respectively. It is shown that miR-27a-3p, miR-29b-3p and miR-195-5p can serve as the age-related macular degeneration diagnostic markers.
Description
technical field [0001] The invention relates to the technical field of clinical diagnosis of molecular biology and medicine, specifically, the application of circulating miRNA as a diagnostic marker for age-related macular degeneration. Background technique [0002] Age-related macular degeneration (AMD) is one of the most important causes of irreversible blindness in the elderly over 50 years old. According to a survey in the United States, the prevalence of AMD among people over the age of 40 is 9%. The epidemiological survey conducted in Handan and Beijing, China showed that the prevalence of AMD in the elderly was 3.1% and 5.5%, respectively. Aging, racial differences, heredity and smoking history are risk factors for AMD. Other factors such as obesity, heart disease and AMD have been reported inconsistently. Although there are dietary and lifestyle interventions, as well as the application of antioxidant drugs, intravitreal drug injections, laser photocoagulation, and...
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