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Association of HTLV-I antibody profile of asymptomatic carriers with proviral DNA levels of peripheral blood mononuclear cells. 1994

S Ishihara, and A Okayama, and S Stuver, and H Horinouchi, and S Shioiri, and K Murai, and T Kubota, and R Yamashita, and N Tachibana, and H Tsubouchi
Second Department of Medicine, Miyazaki Medical College, Japan.

The human T-lymphotropic virus type I (HTLV-I) antibody profile of 216 asymptomatic carriers in Miyazaki, Japan, was analyzed in conjunction with the HTLV-I proviral DNA levels in their peripheral blood mononuclear cells (PBMC) determined by the semiquantitative polymerase chain reaction (PCR) method. The geometric mean HTLV-I titer by particle agglutination assay (PA) of 58 subjects (27%) with a high DNA level was 1:1, 240; 94 (44%) with a medium DNA level, 1:740; 38 (18%) with a low level, 1:476; and, 26 (12%) with an undetectable level, 1:263. Moreover, when the subjects were divided into four groups according to titer from high to low, the correlation between DNA level and antibody titer level was highly significant (p < 0.0001). HTLV-I antibody subclass by Western blot (WB) was determined for 78 randomly selected samples from these carriers. Immunoglobulin (Ig) M antibody was detected in 35 (45%). The mean PA antibody titer was higher in carriers with IgM antibody than in those without, at each detectable proviral DNA level. These findings suggest that HTLV-I antibody titer is related to proviral DNA level and also to the presence of IgM antibodies among those with proviral DNA of the same level. Seven carriers (9%) were negative for IgG antibody by WB, among whom the proviral DNA level was low or undetectable and the PA titer was also low. Three of these were positive only for IgM antibody.

UI MeSH Term Description Entries
D007075 Immunoglobulin M A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally was called a macroglobulin. Gamma Globulin, 19S,IgM,IgM Antibody,IgM1,IgM2,19S Gamma Globulin,Antibody, IgM
D007963 Leukocytes, Mononuclear Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules. Mononuclear Leukocyte,Mononuclear Leukocytes,PBMC Peripheral Blood Mononuclear Cells,Peripheral Blood Human Mononuclear Cells,Peripheral Blood Mononuclear Cell,Peripheral Blood Mononuclear Cells,Leukocyte, Mononuclear
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011533 Proviruses Duplex DNA sequences in eukaryotic chromosomes, corresponding to the genome of a virus, that are transmitted from one cell generation to the next without causing lysis of the host. Proviruses are often associated with neoplastic cell transformation and are key features of retrovirus biology. Provirus
D002353 Carrier State The condition of harboring an infective organism without manifesting symptoms of infection. The organism must be readily transmissible to another susceptible host. Asymptomatic Carrier State,Asymptomatic Infection Carrier,Inapparent Infection Carrier,Presymptomatic Carrier State,Presymptomatic Infection Carrier,Super-spreader Carrier,Superspreader Carrier,Asymptomatic Carrier States,Asymptomatic Infection Carriers,Carrier State, Asymptomatic,Carrier State, Presymptomatic,Carrier States,Carrier, Super-spreader,Carrier, Superspreader,Carriers, Super-spreader,Carriers, Superspreader,Inapparent Infection Carriers,Infection Carrier, Asymptomatic,Infection Carrier, Inapparent,Infection Carrier, Presymptomatic,Presymptomatic Carrier States,Presymptomatic Infection Carriers,Super spreader Carrier,Super-spreader Carriers,Superspreader Carriers
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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