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BACKGROUND Snail (Oncomelania hupensis) control is an important and effective preventive strategy in schistosomiasis control programs, and screening microbial molluscicidal agents is one of the most promising categories in biomolluscicides. OBJECTIVE To purify and identify the molluscicidal ingredient (MI) obtained from strain SL-30's exocellular broth.(More)
MicroRNAs (miRNAs) are non-coding, single-stranded RNAs of approximately 22 nt and constitute a novel class of gene regulators that are found in both plants and animals. Several studies have demonstrated that serum miRNAs could serve as potential biomarkers for the detection of various cancers and other diseases. A few documents regarding the stability of(More)
OBJECTIVE To study the molluscicidal activity, the influence on glycogen content of Oncomelania hupensis and the acute toxicity to zebra fish of the extract from Phytolacca americana Linn leaf. METHODS The different polar factions of the extract of Phytolacca americana Linn leaf were separated by using the systemic solvent segregation method, and then the(More)
This study is to investigate the protective effect of urantide against myocardial ischemia injury in mice and its mechanism. The ischemic model was made by using subcutaneous injection of isoproterenol (Iso) in mice, the change of ST segment of electrocardiogram (ECG) was observed, and the activitise of lactate dehydrogenase (LDH) and nitric oxide(More)
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