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1.
Southeast Asian J Trop Med Public Health ; 1991 Jun; 22(2): 249-53
Artigo em Inglês | IMSEAR | ID: sea-33852

RESUMO

A successful modification of the indirect hemagglutination test to demonstrate antibodies for serodiagnosis of amebic liver abscess has been described in the present study. In the modified test, the protein A-IMA, Staphylococcus aureus (Cowan's strain I) bearing protein A (SAPA) cells were used to enhance hemagglutination of sensitized red cells. Use of SAPA cells markedly enhanced sensitivity of the test and greatly increased the titers obtained with most of the sera. At a diagnostic antibody titer of 1:128 and above, the protein A-IHA could detect 72 (100%) of amebic liver abscess (ALA) cases. Amongst the controls, no false positive reaction was observed in non-amebic liver disease controls. However 1(2%) of sera demonstrated false positive reactions from healthy controls. The protein A-IHA was highly sensitive when compared with that of the indirect hemagglutination (IHA) for serodiagnosis of amebic liver abscess. The novel immunoassay is simple, inexpensive and requires little technical skill. It has the potential for wide application in serodiagnosis of amebic liver abscess.


Assuntos
Animais , Anticorpos Antiprotozoários/sangue , Antígenos de Protozoários/diagnóstico , Entamoeba histolytica/imunologia , Testes de Hemaglutinação/métodos , Humanos , Abscesso Hepático Amebiano/diagnóstico , Sensibilidade e Especificidade , Proteína Estafilocócica A/diagnóstico , Staphylococcus aureus/imunologia
5.
J Biosci ; 1979 Jun; 1(2): 207-213
Artigo em Inglês | IMSEAR | ID: sea-159961

RESUMO

The fat body appears to contribute cholesterol for testicular steroidogenesis. It also appears to provide prostaglandins and cyclic AMP for testicular steroidogenesis since fatectomy impairs this process which is corrected by the addition of prostaglandins and cyclic AMP. Of the two, prostaglandins have a more important role in spermatogenesis and cyclic AMP functions in steroidogenesis These functions of the fat body suggests that it constitutes a link in the hypothalamohypophysial- gonadal axis.

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