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1.
Journal of Forensic Medicine ; (6): 211-214, 2021.
Article Dans Anglais | WPRIM | ID: wpr-985210

Résumé

Objective To study the DNA methylation of nucleated cells in peripheral blood of patients died from anaphylactic shock caused by cephalosporin drugs and to provide a new research direction and basis for the forensic diagnosis of shock caused by drug hypersensitiveness. Methods Methylation microarray was used to detect DNA methylation of nucleated cells in peripheral blood of patients died from anaphylactic shock caused by cephalosporin drugs and normal subjects. Sequencing data and chip data were analyzed for differences in DNA methylation using R language methylkit, ChAMP package. Random forest algorithm was used to evaluate the importance of the DNA methylation differential sites. Results Differential sites of DNA methylation highly associated with anaphylaxis caused by cephalosporin drugs were obtained at loci such as ETS1, PRR23B and GNAS. Conclusion Cephalosporin allergy is associated with DNA methylation, and DNA methylation may be a new strategy for forensic identification of anaphylactic shock and death.


Sujets)
Humains , Anaphylaxie/génétique , Méthylation de l'ADN , Médecine légale
2.
Chinese Journal of Integrated Traditional and Western Medicine ; (12): 238-240, 2004.
Article Dans Chinois | WPRIM | ID: wpr-320203

Résumé

<p><b>OBJECTIVE</b>To explore the effect of Jingui Shenqi pill (JGSQP) with various concentrations at different time points on pituitary adrencorticotropic hormone (ACTH) gene expression level in Shen-Yang deficiency rats.</p><p><b>METHODS</b>The Shen-Yang deficiency rats were randomly divided into the model control group and the high, medium and low dosage of JGSQP groups. Reverse transcriptase polymerase chain reaction was used to observe the effect of JGSQP on the ACTH mRNA of pituitary tissue in rats treated at different time points (10 d, 20 d, 30 d).</p><p><b>RESULTS</b>As compared with that in the model group, the ACTH gene expression level was significantly higher in the high dose JGSQP group (P < 0.05), and the increment in the medium dosage group was significantly higher in comparing with that in the high and low dosage groups (P < 0.05 or P < 0.01).</p><p><b>CONCLUSION</b>Through up-regulation on ACTH gene expression is possibly one of the mechanisms of JGSQP in treating Shen-Yang deficiency.</p>


Sujets)
Animaux , Rats , Hormone corticotrope , Génétique , Médicaments issus de plantes chinoises , Pharmacologie , Axe hypothalamohypophysaire , Maladies du rein , Génétique , Métabolisme , Médecine traditionnelle chinoise , Hypophyse , Métabolisme , ARN messager , Génétique , Répartition aléatoire , Rat Sprague-Dawley , Déficit du Yang , Génétique , Métabolisme
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