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1.
Chinese Journal of Otorhinolaryngology Head and Neck Surgery ; (12): 930-936, 2014.
Artículo en Chino | WPRIM | ID: wpr-248024

RESUMEN

<p><b>OBJECTIVE</b>To investigate the spiral ganglion degeneration and the expression of EFR3A in the cochlea of the deaf mice induced by co-administration of kanamycin and furosemide.</p><p><b>METHODS</b>Eight weeks old C57BL/6J mice were administered with a single dose of kanamycin followed by furosemide, then fluorescent immunohistochemistry staining and transmission electron microscopy were applied to observe the SGNs' degeneration process and extent characteristics at 1, 5, 15, 30 and 60 days following treatment. We detected the expression of EFR3A during the degeneration of SGNs via fluorescent immunohistochemistry and western blotting.</p><p><b>RESULTS</b>Co-administration of kanamycin and furosemide quickly induced cochlear hair cell death in mice, and then caused progressive degeneration of SGNs. Our results showed that the abnormal morphology of SGNs occurredat day 5 following administration, and the number of SGNs began to decrease at day 15. Compared to the control group, it was found the remarkable increase of the EFR3A protein at the fifth day after co-administration, then decreased to the nearly normal at 15 days following treatment, and no further significant changes thereafter.</p><p><b>CONCLUSION</b>The changes of the EFR3A protein expression in the spiral ganglion of the cochlea in mice are coincidence with the time of the SGNs degeneration to happen, which imply that EFR3A may play an important role in the occurrence of the SGNs' degeneration in the cochlea in mice following hair cells loss.</p>


Asunto(s)
Animales , Ratones , Cóclea , Metabolismo , Furosemida , Células Ciliadas Auditivas , Kanamicina , Proteínas de la Membrana , Metabolismo , Ratones Endogámicos C57BL , Proteínas de Saccharomyces cerevisiae , Metabolismo , Ganglio Espiral de la Cóclea , Metabolismo , Patología
2.
Chinese Journal of Experimental and Clinical Virology ; (6): 467-469, 2012.
Artículo en Chino | WPRIM | ID: wpr-305007

RESUMEN

<p><b>OBJECTIVE</b>To explore the risk factors of diabetic peripheral neuropathy (DPN) and the relationship between DPN and diabetic retinopathy (DR).</p><p><b>METHODS</b>The data of the in-patients with type 2 diabetes mellitus (T2 DM) were retrospectively studied. A total of 200 T2 DM patients were divided into DPN group (n = 136) and non-DPN group (n = 64) according to peripheral neuropathy. The basic clinical data and the incidence rate of DR were compared between two groups. Logistic regression analysis was used to study the risk factors of DPN.</p><p><b>RESULTS</b>The course of disease, the level of BMI, glycosylated hemoglobin (HbA1c), 2 hour postprandial blood glucose (2 hPG), 2 hour glucose C peptide (2 hC-P) and the incidence rate of the DR were significantly different between two groups (P < 0.01). Logistic regression analysis showed that significant differences were observed in T2 DM complicated by DR (P = 0.023), the course of disease (P = 0.008), the level of HbA1c (P = 0.006), BMI (P = 0.000) and 2 hC-P (P = 0.065).</p><p><b>CONCLUSION</b>Diabetic retinopathy, the course of disease, the level of BMI,HbA1c and 2 hC-P are the risk factors for type 2 diabetic peripheral neuropathy. Diabetic peripheral neuropathy is positive correlated with diabetic retinopathy.</p>


Asunto(s)
Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Persona de Mediana Edad , Glucemia , Metabolismo , Índice de Masa Corporal , Péptido C , Sangre , China , Diabetes Mellitus Tipo 2 , Neuropatías Diabéticas , Sangre , Epidemiología , Hemoglobina Glucada , Metabolismo , Enfermedades del Sistema Nervioso Periférico , Sangre , Epidemiología , Factores de Riesgo
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