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1.
Chinese Journal of Biochemistry and Molecular Biology ; (12): 967-973, 2021.
Artigo em Chinês | WPRIM | ID: wpr-1015914

RESUMO

In order to explore the protective mechanism of stress-activated protein kinase JNK on neurons after ischemic stroke,the model of middle cerebral artery occlusion (MCAO) in male SD rats was established by suture methods. Anisomycin (AN), a JNK agonist, was added at the characteristic time point of autophagy, and then Western blotting and immunofluorescence were used to detect the protein expression of autophagy flow pathways in ischemic penumbra, and the effects of JNK on the stability of Bcl-2-Beclin1 complex and autophagy flow pathway were analyzed. The results showed that compared with the MCAO+Veh group, the expression levels of LC3 (

2.
Chinese Journal of Contemporary Pediatrics ; (12): 596-600, 2014.
Artigo em Chinês | WPRIM | ID: wpr-254241

RESUMO

<p><b>OBJECTIVE</b>To investigate the survival rate, complications during hospitalization, and prognostic factors in extremely preterm infants (gestational age less than 28 weeks) in the neonatal intensive care unit (NICU).</p><p><b>METHODS</b>A retrospective analysis was performed on 90 extremely preterm infants who were admitted to the NICU between January 2011 and March 2013 to investigate the perinatal data, delivery and resuscitation, ventilation/oxygen supply during hospitalization, mortality, and the incidence of severe (grade III/IV) intraventricular hemorrhage (IVH), bronchopulmonary dysplasia (BPD), retinopathy of prematurity (ROP), patent ductus arteriosus (PDA), and septicemia.</p><p><b>RESULTS</b>Among the 90 extremely preterm infants, the gestational age, birth weight, overall survival rate, mortality, and withdrawal rate were 26±1 weeks, 898±165 g, 57%, 9%, and 34%, respectively. The incidence rates of neonatal respiratory distress syndrome, BPD, PDA, ROP, and grade III/IV IVH were 88%, 85%, 69%, 68%, and 31%, respectively. The surviving infants had a mean length of hospital stay of 83±18 days and a mean weight at discharge of 2 419±300 g. The multivariate logistic regression analysis showed that grade III/IV IVH and pulmonary hemorrhage were high-risk factors for death or withdrawal, while antenatal corticosteroids were the protective factor for outcome (P<0.05).</p><p><b>CONCLUSIONS</b>The survival rate of extremely preterm infants is still much lower than that in developed countries. grade III/IV IVH, and pulmonary hemorrhage are important prognostic factors.</p>


Assuntos
Feminino , Humanos , Recém-Nascido , Masculino , Displasia Broncopulmonar , Epidemiologia , Permeabilidade do Canal Arterial , Epidemiologia , Mortalidade Infantil , Lactente Extremamente Prematuro , Modelos Logísticos , Prognóstico , Síndrome do Desconforto Respiratório do Recém-Nascido , Epidemiologia , Retinopatia da Prematuridade , Epidemiologia , Estudos Retrospectivos , Taxa de Sobrevida
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