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122 results about "Genetic Screening (procedure)" patented technology

Preimplantation genetic diagnosis: Genetic testing procedures that are performed on human embryos prior to the implantation as part of an in vitro fertilization procedure. Pre-implantation testing is used when individuals try to conceive a child through in vitro fertilization.

Pulmonary artery hypertension treatment drug stem cell screening model and application thereof

The invention belongs to a novel pulmonary artery hypertension treatment drug screening technology established by applying a stem cell technology; with a BMP signal downstream key gene Id1 as a target spot, a double-report-gene original is designed and inserted into an Id1 genome to construct a restructuring carrier, the carrier is transferred into a human embryonic stem cell strain, and a stable-expression CGMCC11091 cell strain is obtained; the CGMCC11091 cell strain is stimulated by a to-be-tested anti pulmonary artery hypertension compound, then cells are cracked by a cell cracking fluid, according to a genetic testing system, the method detects luciferase expression activity, with the Id1 promoter driven double-report-gene expression quantity as an indicator, and a pulmonary artery hypertension treating compound screening model having Id1 expression up-regulated is obtained. The invention also discloses an application of the model in screening regulators for up-regulation of bone morphogenetic protein (BMP) signals, regulators for up-regulation of expression level of BMP-2 acceptors, preparations for improving the pulmonary artery blood hemodynamics, preparations for improving pulmonary vascular reconstitution, pulmonary artery hypertension treatment drugs and cardiopulmonary vascular disease treatment drugs.
Owner:THE INST OF BASIC MEDICAL SCI OF CHINESE ACAD OF MEDICAL SCI

LAMP-based (loop-mediated isothermal amplification-based) visual fluorogenic and chromogenic genetic testing method for microorganisms

InactiveCN102586438AMeet the requirements for rapid detection of pathogenic microorganismsThe detection process is fastMicrobiological testing/measurementFluorescence/phosphorescenceMicroorganismFluorescence
The invention discloses an LAMP-based visual fluorogenic and chromogenic genetic testing method for microorganisms, which relates to a genetic testing method for microorganisms. The testing method includes the following steps: (1) buffered peptone water (BPW) is used for culturing a sample to be tested according to a national standard method for 4 hours; (2) a water boiling method is used for extracting DNA (deoxyribonucleic acid) from the sample to be tested; (3) the DNA is added into an LAMP reaction system, and the temperature of 65 DEG C is kept for 1 hour; (4) by means of comparison with a control group, the result of the sample to be tested is observed with naked eyes, and qualitative analysis is carried out on the sample. Compared with the conventional culture method, the genetic testing method has the advantages that: testing is rapid, only taking 5 hours, and plus the extraction of the sample DNA, testing takes less than 6 hours in total; the specificity is good, and the sensitivity is high; the steps are simple, and the repeatability is high; and a plurality of samples can be tested at the same time. The genetic testing method can qualitatively test microorganisms, and can take the place of the conventional culture method and the serological testing method which are used up to now.
Owner:WUHAN UNIV
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