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At least 19 recordsLinked to original sources
PubMed1979

[On the leptospirosis occurred in a worker under construction of World Ocean Exposition in Okinawa Prefecture (author's transl)].

A male worker, 29 years old, was engaged in construction work of World Ocean Exposition in Okinawa Perfecture, and was diagnosed as suffering from leptospirosis in September 1973. The leptospirosis was an acute infection caused by Leptospira hebdomadis. The parasite seemed to be transmitted to him by ingestion of food and drink contaminated with the urine and excreta of the reservoir animals in the unsanitary workshop and living environment in Okinawa district. This leptospirosis was determined as an occupational disease.

Adult↗
PubMed2026

Prevalence of Theileria luwenshuni in goats (Capra hircus) on Tarama Island, Okinawa, Japan.

Caprine theileriosis is an economically important tick-borne disease caused by various Theileria species, particularly Theileria lestoquardi, Theileria luwenshuni, and Theileria uilenbergi, in goats (Capra hircus). Goat farming plays an economically and culturally important role on Tarama Island, Okinawa, Japan. Because goats on the island are mainly managed under an extensive grazing system, tick infestation is common. However, Theileria infections have not previously been investigated in goats on Tarama Island. To address this, archived DNA samples prepared from blood collected from 44 goats on Tarama Island were screened using a universal PCR assay targeting 18S rRNA sequences of Theileria and Babesia species. Two DNA samples were positive, and sequencing analysis of the amplicons identified T. luwenshuni. To further investigate the epidemiology of T. luwenshuni on Tarama Island, blood samples were subsequently collected from 96 goats across 19 farms. From each blood sample, a thin blood smear was prepared and genomic DNA was extracted. Microscopic examination of Diff-Quik-stained smears detected intraerythrocytic Theileria-like organisms in 35 (36.5%) goats. In addition, screening of DNA samples using a newly developed T. luwenshuni-specific PCR assay detected 77 (80.2%) positive goats, and the subsequent sequencing analysis confirmed the PCR results. Given that T. luwenshuni can cause severe disease in small ruminants, our findings highlight the importance of managing T. luwenshuni infection in goats on Tarama Island.

Animals↗
PubMed1979

Subcutaneous dirofilariasis in Okinawa, Japan.

A nematode within a subcutaneous nodule excised from an elderly Okinawan man has been tentatively identified in sections as an immature Dirofilaria repens--the first to be reported from Japan.

Aged↗
PubMedDate not supplied

Alpha2-plasmin-inhibitor deficiency (Miyasato disease).

A 25-year-old man, born in Okinawa, Japan, had a haemorrhagic diathesis characterised by prolonged bleeding and ecchymoses after minor trauma and spontaneous joint haemorrhage. The frequency and severity of these episodes were reduced by an antiplasminic drug. Routine coagulation studies revealed no abnormalities except for significantly sshortened euglobulin-lysis time and whole-blood clot lysis time. Activities of all known clotting and fibrinolytic factors were within normal ranges but no circulating alpha2-plasmin inhibitor was found in the plasma. alpha2-plasmin inhibitor is a potent and fast-acting protease inhibitor. Studies of family members indicated that this abnormality was inherited as an autosomal and recessive gene.

Adult↗