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1.
Asian Pac J Allergy Immunol ; 2003 Mar; 21(1): 63-8
Article Dans Anglais | IMSEAR | ID: sea-37209

Résumé

An 8-year-old girl with acquired immunodeficiency syndrome presented with fever and alteration of consciousness. She had a history of persistent cryptococcal meningitis. She developed multiple discrete umbilicated papules that resembled cutaneous cryptococcosis on the second day of admission. Skin biopsy revealed an ulcer with a wedge-shaped necrosis of the dermis. The edge of the ulcer showed intracellular edema, margination of nucleoplasm and multinucleated cells, consistent with herpes infection. The diagnosis of varicella-zoster virus infection was confirmed by the identification of herpesvirus DNA from the lesion and differentiation from other herpesviruses by restriction fragment length polymorphism (RFLP) method. Intravenous acyclovir was given at a dose of 500 mg/m2, three times daily for 14 days which resulted in resolution of the skin lesions within 2 weeks.


Sujets)
Syndrome d'immunodéficience acquise/complications , Aciclovir/usage thérapeutique , Antiviraux/usage thérapeutique , Varicelle/complications , Enfant , ADN viral/isolement et purification , Exanthème/traitement médicamenteux , Issue fatale , Femelle , Herpèsvirus humain de type 3/génétique , Humains , Polymorphisme de restriction , Ulcère cutané/traitement médicamenteux
2.
Asian Pac J Allergy Immunol ; 2003 Mar; 21(1): 55-61
Article Dans Anglais | IMSEAR | ID: sea-36800

Résumé

Eight human viruses of the Herpesviridae family represent a significant public health problem world-wide. Detection and typing of five of the human herpesviruses (HSV-1, HSV-2, VZV, EBV, and CMV) was performed by applying a consensus primer polymerase chain reaction (PCR). The amplified PCR products from the five human herpesviruses were typed based on their restriction enzyme digestion polymorphism with Hinf I and Alu I. Fifteen clinically suspected specimens from herpesvirus-infected patients were also evaluated. A fragment of the DNA polymerase gene from each of the five human herpesviruses was successfully amplified by the set of consensus primers. Their amplicons obtained by PCR from the template DNAs were subjected to restriction endonuclease digestion and human herpesviruses 1-5 could be clearly differentiated and typed. This method can be used to detect and differentiate between the five human herpesviruses in clinical specimens. This study demonstrates the value of testing for five human herpesviruses by consensus PCR and restricted fragment length polymorphism (RFLP). These procedures are simple and straightforward techniques for the investigation of clinical specimens.


Sujets)
Séquence nucléotidique/génétique , Enfant , ADN viral/génétique , Herpesviridae/génétique , Humains , Réaction de polymérisation en chaîne/méthodes , Polymorphisme de restriction
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