(1) The presence of proteins antigenically related to Bothrops asper myotoxins in various snake venoms, mainly from South America, was investigated by using polyclonal and monoclonal antibodies.
(2) The myotoxin shows partial immunologic identity with a myotoxic phospholipase A2 isolated from Bothrops asper venom.
(3) Mice that received antivenom (0.4 ml) by the iv or im route 15 min after im injection of B. asper venom (100 micrograms) had lower levels of plasma anti-myotoxin antibodies than controls injected with antivenom only, suggesting that at least a fraction of the antibodies combines with myotoxins in vivo.
(4) Metalloproteinase from the venom of Bothrops asper (proteinase G) is a glycoprotein with 1% neutral hexose and 3.5 moles of sialic acid per mole of protein.
(5) A new instrumentation for posterior spinal surgery consists of metallic rods carved with diamond-shaped asperities on which vertebral hooks or screws can be screwed in any position, level, or degree of rotation.
(6) Conditions that inhibited phospholipase A2 activity, i.e., substitution of calcium by EDTA, reduced liposome-disrupting activity of Bothrops asper myotoxin I and Bothrops atrox myotoxin, both of which have high phospholipase A2 activity, but did not affect the action of B. asper myotoxin II and Bothrops moojeni myotoxin II, which have extremely low phospholipase A2 activity.
(7) The time-course and composition of inflammatory infiltrate in mouse gastrocnemius injected with Bothrops asper venom was studied.
(8) Also, the organization of these asperities is directly related to cellular cytoskeletal elements.
(9) The neutralization of two myotoxic phospholipases A2 from the venom of Bothrops asper, myotoxins I and II, by two murine monoclonal antibodies is reported.
(10) Seventeen batches of ICP antivenom were analyzed by EIA, using B. asper myotoxin II as antigen.
(11) No major differences in the DNase electrophoretic pattern were observed between individual venoms of adult B. asper specimens nor between lyophilized and frozen venoms.
(12) It is suggested that muscle regeneration is partially impaired after myonecrosis induced by Bothrops asper venom, probably due to the damage induced by this venom on muscle microvasculature and nerves.
(13) He used fine needle asperation or scraping of pathological tissue and hematoxylin-eosin staining of smears.
(14) Immunochemical results indicate a close immunological relationship between venoms of B. asper, B. nummifer and C. d. durissus collected in Honduras and Guatemala with those of the same species collected in Costa Rica.
(15) A new muscle damaging toxin, myotoxin II, was purified from the venom of Bothrops asper by ion-exchange chromatography on CM-Sephadex C-25.
(16) Ouchterlony immunodiffusion analysis of purified antibodies showed two precipitation bands with a pattern of complete immunologic identity between samples of crude B. asper venoms from specimens collected in the Atlantic and Pacific regions of Costa Rica.
(17) Myotoxin is an abundant component in adult B. asper venom.
(18) Five polyvalent antivenoms (Crotalidae; Orient, North, Central and South Africa) were tested for their ability to neutralize the thrombin-like activity of snake venoms (Bitis gabonica, Agkistrodon acutus, Bothrops asper, B. atrox, Crotalus adamanteus).
(19) A myotoxic, basic phospholipase A2 (pI greater than 9.5) with anticoagulant activity has been purified from the venom of Bothrops asper, and its amino acid sequence determined by automated Edman degradation.
(20) The effects of a myotoxic phospholipase A2 isolated from the venom of the crotaline snake Bothrops asper on skeletal muscle myofibrils were studied by histological, ultrastructural, immunohistochemical, and biochemical parameters.
Asphyxiation
Definition:
(n.) The act of causing asphyxia; a state of asphyxia.
Example Sentences:
(1) We document four patients, including two sibs, with asphyxiating thoracic dystrophy and mild congenital hydrocephalus.
(2) Three cases of asphyxial deaths as a result of aspiration of dental appliances are presented.
(3) The cries were the pain cries of 2 normal newborns, 1 infant with maladie du cri du chat, 1 with Down syndrome, 1 asphyxiated infant with brain damage, and one asphyxiated infant without brain damage.
(4) Fluosol injected 30 min-2 days before irradiation did not alter the radiation response of tumors in air-breathing or N2-asphyxiated mice.
(5) However, at the highest frequencies used, the phase relation between the PCO2 and PO2 components of the response could lead to the summed asphyxial response being less than its individual components.
(6) Localization of brain injury to parasagittal arterial border zones in the asphyxiated term neonate has been recently described as a frequent, clinically significant finding.
(7) And as Crow demonstrated, militancy may not guarantee success – but passivity will asphyxiate unions when the workforce needs them to be stronger than ever.
(8) In the first case the asphyxial after term infant died of pulmonary seventeen hours after birth; in the second case of the foetus had died in the uterus.
(9) Twenty five asphyxiated newborns (seventeen term and eight preterm) with mean gestational age of 37 weeks (range 28-48 weeks) and mean birth weight of 2.4 kg (range 0.75 kg to 3.5 kg), respectively, constituted the cases in present study.
(10) The purpose of this study was to compare the efficacy of standard cardiopulmonary resuscitation and cardiopulmonary resuscitation with interposed abdominal compression for restoration of spontaneous circulation in an asphyxial and fibrillatory arrest model.
(11) In those children with thoracic asphyxiant dystrophy, a genetically determined disorder, who survive infancy, the development of renal disease may be life-threatening.
(12) It is speculated that the changes in the cerebral circulation in asphyxiated infants are at least partly caused by cerebral oedema-induced increase of intracranial pressure due to severe perinatal asphyxia.
(13) The authors discuss the possible ways of managing the asphyxiated infant by considering the respiratory circumstances of the fetus and newborn.
(14) These infants also showed evidence of intrauterine malnutrition, but did not have any greater asphyxiation than the negative OCT group.
(15) Forty-two newborns were classified as asphyxiated by either of two methods: 1) Infants from whom umbilical cord hypoxanthine levels were taken were classified as asphyxiated if they had an Apgar score of 6 or less at 1 or 5 minutes, fetal heart rate below 100 beats per minute, or meconium-stained amniotic fluid; and 2) infants from whom peripheral arterial hypoxanthine samples were taken were classified by clinical assessment, whereby one author, blinded to the infants' hypoxanthine levels, prospectively assessed each patient's condition for evidence of asphyxia.
(16) It is likely that prenatal factors are responsible for the alteration of early development in the neural function of non-asphyxiated SGA infants.
(17) There was 60% mortality in asphyxiated babies with deranged liver function.
(18) There was no evidence of emesis during the experiments or of overt changes in the appearance of the oral cavity, heart, liver, spleen, kidney, proventriculus, gizzard, and intestines of a random sample of birds killed by carbon dioxide asphyxiation and necropsied.
(19) Hydrogen sulfide is an irritant and chemical asphyxiant gas that exerts its primary toxic effects on the respiratory and neurological systems.
(20) The other procedures belong to standard managment in handling an asphyxiated fetus.