Asymptomatic cyst passers of Entamoeba histolytica but not Entamoeba dispar in institutions for the mentally retarded in Japan

H Tachibana; S Kobayashi; K Nagakura; Y Kaneda; T Takeuchi

doi:10.1016/s1383-5769(99)00032-x

Asymptomatic cyst passers of Entamoeba histolytica but not Entamoeba dispar in institutions for the mentally retarded in Japan

Parasitol Int. 2000 Mar;49(1):31-5. doi: 10.1016/s1383-5769(99)00032-x.

Authors

H Tachibana¹, S Kobayashi, K Nagakura, Y Kaneda, T Takeuchi

Affiliation

¹ Department of Infectious Diseases, Tokai University School of Medicine, Bohseidai, Isehara, Kanagawa, Japan. htachiba@is.icc.u-tokai.ac.jp

PMID: 10729715
DOI: 10.1016/s1383-5769(99)00032-x

Abstract

Entamoeba histolytica/Entamoeba dispar was isolated from 50 asymptomatic amebic cyst passers in three institutions for the mentally retarded in Kanagawa Prefecture, Japan. To distinguish between E. histolytica and E. dispar, the isolates were analyzed by PCR, reactivity to monoclonal antibodies, and zymodemes. All isolates were identified as E. histolytica. The results lead us to conceive that, in Japan, E. histolytica is predominant even in asymptomatic cyst passers.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Animals
Antibodies, Monoclonal
Carrier State / parasitology*
DNA Primers / chemistry
DNA, Protozoan / chemistry
Dysentery, Amebic / parasitology*
Entamoeba histolytica / classification
Entamoeba histolytica / genetics
Entamoeba histolytica / isolation & purification*
Feces / parasitology
Female
Fluorescent Antibody Technique, Indirect
Hospitals, Psychiatric
Humans
Institutionalization
Japan
Male
Polymerase Chain Reaction

Substances

Antibodies, Monoclonal
DNA Primers
DNA, Protozoan