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  • Title: Existence of TT virus DNA in extracellular body fluids from normal healthy Japanese subjects.
    Author: Matsubara H, Michitaka K, Horiike N, Yano M, Akbar SM, Torisu M, Onji M.
    Journal: Intervirology; 2000; 43(1):16-9. PubMed ID: 10773733.
    Abstract:
    Although recent studies indicate a high prevalence (12-92%) of TT virus (TTV) DNA in sera of healthy Japanese individuals, there is a paucity of information regarding the route of transmission of this virus. Analyzing the nucleotide sequences of the existing polymerase chain reaction (PCR) primers of TTV DNA, we developed a set of noble primers (HM-1) and looked for the prevalence of TTV DNA in sera from 39 normal healthy Japanese individuals using PCR. The existence of TTV DNA was also checked in saliva, urine, sweat, stool, and tears from 11 and in semen from 10 serum TTV-positive normal subjects. TTV DNA was detected in sera from 23 of 39 (59.0%) normal subjects. TTV DNA was also detected in saliva, stool, semen and tears from all cases with TTV-DNA-positive serum, but not in body fluids from subjects with TTV-DNA-negative serum. TTV DNA remained undetected in urine and sweat from all cases. Data from these experiments showing the existence of TTV DNA in different body fluids suggest that the high rates of prevalence of TTV among normal healthy subjects might be due to a possible fecal-oral, droplet, or sexual route of transmission of TTV.
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