نتایج جستجو برای: euchelus asper
تعداد نتایج: 517 فیلتر نتایج به سال:
The venom of Bothrops asper induces severe coagulation disturbances in accidentally envenomed humans. However, only few studies have been conducted to identify components that interact with the hemostatic system in this venom. In the present work, we fractionated B. asper venom in order to investigate the possible presence of inhibitors of platelet aggregation. Using a combination of gel filtra...
The antimicrobial and antiparasite activity of phospholipase A(2) (PLA(2)) from snakes and bees has been extensively explored. We studied the antiplasmodial effect of the whole venom of the snake Bothrops asper and of two fractions purified by ion-exchange chromatography: one containing catalytically-active phospholipases A(2) (PLA(2)) (fraction V) and another containing a PLA(2) homologue devo...
The endemic Rhodanian percid Zingel asper (Linnaeus, 1758), is usually found throughout the Rhône basin, but this fish is now in sharp decline. Understanding its reproductive physiology is important so as to be able to artificially control its reproduction with a view to re-introducing it. This study was carried out on a population obtained by artificial fertilization and bred in external tanks...
A protein that neutralizes the biological activities of basic phospholipase A2 (PLA2) myotoxin isoforms from the venom of the snake Bothrops asper was isolated from its blood by affinity chromatography with Sepharose-immobilized myotoxins. Biochemical characterization of this B. asper myotoxin inhibitor protein (BaMIP) indicated a subunit molecular mass of 23-25 kDa, an isoelectric point of 4, ...
The potamodromous smallscale redfin minnow (Pseudobarbus asper) spawned in the riffle areas of the regulated Groot River, the major tributary of the Gamtoos River system, during controlled releases of water from Beervlei Dam. Water had been released at irregular intervals from this flood control dam solely for irrigating agricultural lands. Flushing flows removed accumuIated salts from riverine...
Streblus asper Lour (Moraceae), commonly known as Siamee Rough Brush in English is widely distributed in subtropical Asia and traditionally used for several medicinal purposes. In the present study, the ethyl acetate fraction of the methanol extract from Streblus asper bark (EASA) was evaluated for antitumor effect against Dalton's ascitic lymphoma (DAL) in Swiss albino mice. Twenty-four hours ...
Bothrops asper (Squamata: Viperidae) is the most important venomous snake in Central America, being responsible for the majority of snakebite accidents. Four basic PLA2s (pMTX-I to -IV) were purified from crude venom by a single-step chromatography using a CM-Sepharose ion-exchange column (1.5 × 15 cm). Analysis of the N-terminal sequence demonstrated that pMTX-I and III belong to the catalytic...
Myotoxins play a major role in the pathogenesis of the envenomations caused by snake bites in large parts of the world where this is a very relevant public health problem. We show here that two myotoxins that are major constituents of the venom of Bothrops asper, a deadly snake present in Latin America, induce the release of large amounts of K(+) and ATP from skeletal muscle. We also show that ...
The anatomical characteristics in the culms of four promising Indonesian bamboo species, including Dendrocalamus asper, giganteus, Bambusa vulgaris var. vulgaris, and striata, were investigated to produce an identification key quality indices for further effective utilization. crystalline properties culm determined using X-ray diffraction analysis. asper striata showed vascular bundle type IV, ...
Ethanol extract of the stem bark of Streblus asper Lour was considered for qualitative assessment for its secondary metabolites content like alkaloids, glycosides, sterols and others. Bark extract revealed anticarcenogenic i.e. antimitotic, cytotoxic and antitumor activities. Results of different anticarcenogenic activities of the bark extract were discussed in relation to its secondary metabol...
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