Important note: Information in this article was accurate in 1999. The state of the art may have changed since the publication date.
HTLV-I serostatus of mothers of patients with adult T-cell leukemia and HTLV-I-associated myelopathy/tropical spastic paraparesis.
J Hum Virol. 1998 May-Jun;1(4):302-5. Unique Identifier : AIDSLINE MED/99211160 Bartholomew C; Jack N; Edwards J; Charles W; Corbin D; Cleghorn FR; Blattner WA; University of the West Indies, Department of Medicine, Port of; Spain, Trinidad.
Abstract:
OBJECTIVES: It has been shown that > 90% of mothers of HTLV-I-infected children were themselves carriers of HTLV-I. This study was designed to determine the HTLV-I serostatus of mothers of patients with adult T-cell leukemia (ATL) and HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP), and to assess the association of age of exposure and disease outcome. STUDY DESIGN/METHODS: In a cross-sectional study of the HTLV-I serostatus of mothers of HTLV-I-seropositive patients with ATL and HAM/TSP, 36 living mothers of patients with ATL and 15 mothers of patients with TSP/HAM were traced and enrolled. RESULTS: Five of the 15 (33%) mothers of patients with HAM/TSP and 35 of the 36 (97.2%) mothers of patients with ATL were HTLV-I-seropositive. All patients were breast-fed and none received blood transfusions. CONCLUSION: This study confirms that infection with HTLV-I in early childhood can lead to ATL in later life, and that HAM/TSP can also result from early infection but more commonly results from infection acquired in adulthood. There are several reports of posttransfusion HAM/TSP, but ATL has not been reported following blood transfusion except in patients who were immunocompromised. Because the newborn infant is considered to be immunoincompetent, it seems that this is a necessary factor for the development of ATL after infection.
Keywords: JOURNAL ARTICLE Adolescence Adult Age Factors Aged Aged, 80 and over Child Disease Transmission, Vertical Female Human HTLV-I/*IMMUNOLOGY HTLV-I Antibodies/*BLOOD HTLV-I Infections/*EPIDEMIOLOGY Leukemia, T-Cell/*VIROLOGY Male Middle Age Mothers Paraparesis, Tropical Spastic/*VIROLOGY Prevalence Retrospective Studies Risk Factors Seroepidemiologic Studies Support, U.S. Gov't, P.H.S. Time Factors 990730
A9971141
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