Publications by authors named "Shigehiro Enkai"

Background Alveolar echinococcosis (AE) is a fatal zoonotic disease distributed mainly in the Northern Hemisphere. At present, its curative treatment relies on surgery, and the development of effective drugs is needed. We previously demonstrated the anti-echinococcal effect of atovaquone (ATV) as a mitochondrial complex III inhibitor in both in vitro and in vivo experiments.

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Ascofuranone (AF), a meroterpenoid isolated from various filamentous fungi, including , has been reported as a potential lead candidate for drug development against parasites and cancer. In this study, we demonstrated that AF and its derivatives are potent anthelminthic agents, particularly against Echinococcus multilocularis, which is the causative agent of alveolar echinococcosis. We measured the inhibitory activities of AF and its derivatives on the mitochondrial aerobic and anaerobic respiratory systems of E.

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Article Synopsis
  • * Both aerobic and anaerobic tests revealed that mefloquine, alone or with atovaquone, quickly eliminated protoscoleces, but the combination with 3-bromopyruvic acid only showed synergy under anaerobic conditions.
  • * The findings suggest that these drug combinations could effectively target respiration pathways in vivo, potentially aiding the development of improved treatment methods for alveolar echinococcosis.
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Article Synopsis
  • Transient neonatal diabetes mellitus (TNDM) is a rare condition causing diabetes in infants that typically resolves by 18 months but may relapse around 14 years of age, often with complications like hyperinsulinaemia.
  • A case study examined a patient with TNDM due to a genetic anomaly, tracking their glycaemic profiles and insulin function from remission to relapse, revealing initially impaired insulin response but gradually improving fasting insulin levels.
  • Overall, the study provided the first detailed report on the changes in β-cell function and insulin resistance during the remission phase of TNDM, indicating significant fluctuations over time.
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Alveolar echinococcosis (AE) is caused by the larval stage of Echinococcus multilocularis. Chemotherapy for AE involves albendazole (ABZ), which has shown insufficient efficacy. More effective chemotherapy for AE is needed.

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The dataset presented herein is related to a previous research article titled "Mitochondrial Complex III in Larval Stage of as a Potential Chemotherapeutic Target and Efficacy of Atovaquone Against Primary Hydatid Cysts" [1]. In this report, data were collected by screening drugs for echinococcosis. We investigated the inhibitory activities of artemisinin and pyrvinium pamoate against the mitochondrial respiratory enzymes in protoscoleces.

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Echinococcus multilocularis employs aerobic and anaerobic respiration pathways for its survival in the specialized environment of the host. Under anaerobic conditions, fumarate respiration has been identified as a promising target for drug development against E. multilocularis larvae, although the relevance of oxidative phosphorylation in its survival remains unclear.

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The patient had hepatomegaly with liver dysfunction at the age of 1 month. Magnetic resonance imaging performed at the age of 1 year showed multiple nodules of varying size in his liver. We were able to examine the mitochondrial respiratory chain function in the liver biopsy samples because all other differential diagnoses for hepatic cirrhosis had been ruled out.

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Bloody stools, diarrhea and perianal abscesses were observed from the age of two months infant. The boy received a BCG vaccination at the age of four months. The patient was diagnosed as having Crohn's disease at the age of six months by intestinal endoscopy.

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