نتایج جستجو برای: crude venom

تعداد نتایج: 47082  

2014
Pawan Kumar K. Venkateshvaran P. P. Srivastava S. K. Nayak S. M. Shivaprakash S. K. Chakraborty

The bioactivities of the venom from Conus lentiginosus were studied from Mumbai coast, are characterized biomedically and pharmaceutically. Partial purification of the crude extract was carried out using DEAE cellulose anion exchange chromatography. The protein content of crude venom was found to be maximum 432.5 ± 1.58 μg/mL and minimum 80.2 ± 1.08 μg/mL. The mice bioassay for lethality was pe...

2017
Akbar Oghalaie Mahdi Behdani Najmeh Yardehnavi Delavar Shahbazzadeh Fatemeh Kazemi-Lomedasht

Snake bite was known as one of the most important public health concerns world wild. Respiratory and cardiac problems and destruction of endothelium system occurs as a result of snake bite. Some proteins and peptides in snake venom have potential for drug discovery studies. According to the important role of cell adhesion and angiogenesis in cancer development, identification of new therapeutic...

2005
SILVANA L. MARUÑAK OFELIA C. ACOSTA LAURA C. LEIVA RAQUEL M. RUIZ MARIA V. AGUIRRE PAMELA TEIBLER

Due to variability of venom components from the same species of snakes that inhabit different regions, particular properties of the venom of Crotalus durissus terrificus that inhabits the North-East of Argentina were studied. Gyroxin, a thrombin-like enzyme, was isolated from this venom by gel filtration and affinity chromatography, it was found to be homogeneous according to SDS-PAGE, with a m...

Journal: :iranian journal of basic medical sciences 0
nasim tabaraki department of marine biology, science and research branch, islamic azad university (iau), tehran, iran delavar shahbazzadeh biotechnology research center, department of medical biotechnology, venom and biotherapeutics molecules lab, pasteur institute of iran, tehran iran ali mashinchian moradi department of marine biology, science and research branch, islamic azad university (iau), tehran, iran gholamhossein vosughi department of marine biology, science and research branch, islamic azad university (iau), tehran, iran pargol ghavam mostafavi department of marine biology, science and research branch, islamic azad university (iau), tehran, iran

objective(s):cone snails are estimated to consist of up to 700 species. the venom of these snails has yielded a rich source of novel peptides. this study was aimed to study the analgesic effect of persian gulf conus textile and its comparison with morphine in mouse model. materials and methods: samples were collected in larak island. the venom ducts were isolated and kept on ice then homogenize...

2015
Hazem K. Ghneim Yazeed A. Al-Sheikh Mourad A. M. Aboul-Soud

Fibroblast cultures were used to study the effects of crude Walterinnesia aegyptia venom and its F1-F7 protein fractions on TCA cycle enzyme activities and mitochondrial NAD-redox state. Confluent cells were incubated with 10 μg of venom proteins for 4 hours at 37°C. The activities of all studied TCA enzymes and the non-TCA mitochondrial NADP(+)-dependent isocitrate dehydrogenase underwent sign...

2011
Rebecca D Pierce Ethan S Kim Lance W Girton Jonathan L McMurry Joshua W Francis Eric A Albrecht

Echis carinatus (saw-scaled viper) produces potent hemorrhagic venom that causes the development of apoptotic and necrotic tissues. In this study, we used polyethyleneimine (PEI) to enhance cellular adherence, and to determine whether the substrate attachment influenced the survival of cells treated with crude E. carinatus venom. Human embryonic kidney (HEK) 293T cells were grown for 18hr in ti...

Ali Mashinchian Moradi Delavar Shahbazzadeh Gholamhossein Vosughi Nasim Tabaraki Pargol Ghavam Mostafavi

Objective(s):Cone snails are estimated to consist of up to 700 species. The venom of these snails has yielded a rich source of novel peptides. This study was aimed to study the analgesic effect of Persian Gulf Conus textile and its comparison with morphine in mouse model. Materials and Methods: Samples were collected in Larak Island. The venom ducts were Isolated and kept on ice then homogenize...

Journal: :journal of arthropod-borne diseases 0
mehdi khoobdel health research center, baqiyatallah university of medical sciences, tehran, iran. taghi zahraei-salehi department of microbiology, faculty of veterinary medicine, university of tehran, tehran, iran. bahar nayeri-fasaei department of microbiology, faculty of veterinary medicine, university of tehran, tehran, iran. mohammad khosravi health research center, baqiyatallah university of medical sciences, tehran, iran. zahra omidian department of parasitology, faculty of veterinary medicine, university of tehran, tehran, iran. mohammad hassan motedayen razi vaccine and serum research institute-karaj branch, karaj, iran.

b a ckground: scorpions stings are a health problem in many parts of the world. mesobuthus eupeus (buthidae) is the most prevalent species in the middle east and central asia. definition of toxicogenic and immunogenic characteris- tics of the venom is necessary to produce antidote. in this study, the noted properties of m. eupeus venom were eval- uated. m e t hods: venom was obtained by milking...

Journal: :The Journal of General Physiology 1988
PA Pappone MT Lucero

We examined the effects of Pandinus imperator scorpion venom on voltage-gated potassium channels in cultured clonal rat anterior pituitary cells (GH3 cells) using the gigohm-seal voltage-clamp method in the whole-cell configuration. We found that Pandinus venom blocks the voltage-gated potassium channels of GH3 cells in a voltage-dependent and dose-dependent manner. Crude venom in concentration...

2010

The crude venom of Bothrops jararacussu (Bjssu) is known to induce muscular paralysis in vitro. Many studies have shown that various substances, including heparin, neutralize the damage caused by snake venom. In the present study, the ability of heparin (Hep) and commercial bothropic antivenom (CBA) to neutralize neuromuscular effects of Bjssu venom, at different time-points, was analyzed. Mous...

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