نتایج جستجو برای: scorpions venom
تعداد نتایج: 10127 فیلتر نتایج به سال:
Scorpions are generally an important source of bioactive components, including toxins and other small peptides as attractive molecules for new drug development. Mesobuthus eupeus, from medically important and widely distributed Buthidae family, is the most abundant species in Iran. Researchers are interesting on the gland of this scorpion due to the complexity of its venom. Here, we have analyz...
Scorpionism is a known significant problem of medical and social importance in many tropical and subtropical regions including the Middle East. In Iran, highest prevalence of scorpion sting about 60% of all the stings has been reported from Khuzestan province. Among the 21,000 cases of reported scorpion stung patients, 12% were caused by H. lepturus, but contributed to 95% of all moralities in ...
Venom and mammalian secreted phospholipases A(2) (sPLA(2)s) have been associated with numerous physiological, pathological, and toxic processes. So far, structurally related group I and II sPLA(2)s have been found in vertebrates such as mammals and snakes, whereas group III sPLA(2)s have mainly been found in venom from invertebrates such as bees and scorpions. Here we report the cloning and exp...
Despite the staggering diversity of venomous animals, there seems to be remarkable convergence in regard to the types of proteins used as toxin scaffolds. However, our understanding of this fascinating area of evolution has been hampered by the narrow taxonomical range studied, with entire groups of venomous animals remaining almost completely unstudied. One such group is centipedes, class Chil...
We provide a mitochondrial DNA-based phylogenetic hypothesis for 21 Tityus species collected in Venezuela, Trinidad, Brazil and Panama, including 12 taxa known to be toxic to humans. Our phylogenetic reconstruction is based on 850 nucleotides of the combined cytochrome oxidase subunit I and 16S rRNA genes for most species, and centered on Venezuelan scorpions owing to the detailed taxonomic and...
Scorpions belonging to the Tityus genus are of medical interest in Brazil. Among them, Tityus stigmurus is the main scorpion responsible for stings in the Northeast region. After a sting, the scorpion venom distributes rapidly to the organs, reaching the kidneys quickly. However, there are few studies concerning the renal pathophysiology of scorpion poisoning. In this study, we evaluated the ef...
Venoms are the secretion of venomous animals, which are synthesized and stored in specific areas of their body i.e., venom glands. The animals use venoms for defense and/or to immo‐ bilize their prey. Most of the venoms are complex mixture of biologically active compounds of different chemical nature such as multidomain proteins, peptides, enzymes, nucleotides, lipids, biogenic amines and other...
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