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1.
Emerg Infect Dis ; 18(10): 1658-61, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-23018120

RESUMO

More than 900 cases of scarlet fever were recorded in Hong Kong during January-July, 2011. Six cases were complicated by toxic shock syndrome, of which 2 were fatal. Pulsed-field gel electrophoresis patterns suggested a multiclonal epidemic; emm12 was the predominant circulating type. We recommend genetic testing of and antimicrobial resistance monitoring for this reportable disease.


Assuntos
Epidemias , Escarlatina/epidemiologia , Streptococcus pyogenes/genética , Antibacterianos/farmacologia , Criança , Eletroforese em Gel de Campo Pulsado , Feminino , Hong Kong/epidemiologia , Humanos , Incidência , Testes de Sensibilidade Microbiana , Escarlatina/complicações , Escarlatina/microbiologia , Choque Séptico/epidemiologia , Choque Séptico/etiologia , Streptococcus pyogenes/efeitos dos fármacos
2.
BJU Int ; 95(7): 1104-8, 2005 May.
Artigo em Inglês | MEDLINE | ID: mdl-15839941

RESUMO

OBJECTIVE: To investigate the distribution of aquaporins, a recently discovered family of transmembrane water channels, in human renal explants, with specific reference to chronic renal allograft dysfunction (CRAD). MATERIALS AND METHODS: Immunohistochemistry for aquaporin-1 and -2 was used in 11 explants, of which five had clinically and histologically confirmed CRAD. Controls were taken from the six explants unaffected by CRAD and from histologically normal areas of six kidneys excised for renal tumours. RESULTS: In the renal tumour control group, aquaporin-1 immunoreactivity was detected in the glomerular endothelium, Bowman's capsule, the proximal convoluted tubules and the thin limb of the loop of Henle, whereas immunoreactivity for aquaporin-2 was detected in the collecting ducts only. Of the explants without CRAD, where architecture was preserved, immunoreactivity for aquaporin-1 and -2 was the same as in the renal tumour controls. In the two explants with no CRAD and loss of collecting ducts, there was no aquaporin-2 immunoreactivity. In five explants with CRAD, immunoreactivity for aquaporin-2 was decreased or absent from the medulla to the cortex. The apparent decreased immunoreactivity of aquaporin-1 in this group was secondary to a decrease in the number of viable proximal tubules. CONCLUSION: There was less aquaporin-2 immunoreactivity in human renal explants diagnosed with CRAD, starting from the medullary region. In explants with no CRAD and viable collecting ducts, or in normal controls, aquaporin-2 immunoreactivity remained unchanged. Aquaporins might be useful as markers for CRAD.


Assuntos
Aquaporinas/metabolismo , Transplante de Rim , Rim/metabolismo , Complicações Pós-Operatórias/metabolismo , Aquaporina 2 , Estudos de Casos e Controles , Doença Crônica , Humanos , Imuno-Histoquímica , Neoplasias Renais/metabolismo , Neoplasias Renais/cirurgia , Transplante de Rim/patologia , Túbulos Renais Proximais/metabolismo , Complicações Pós-Operatórias/etiologia , Transplante Homólogo
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