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Query: UMLS:C0042961 (volvulus)
 4,305 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Comparison of glycolysis in Brugia pahangi and Onchocerca volvulus by 13C nuclear magnetic resonance (NMR) spectroscopy showed that the former organism is predominantly a lactate fermenter and the latter resembles more closely the metabolism of a mixed acid fermenter producing lactate, succinate, acetate, ethanol, formate and carbon dioxide. Both organisms synthesize glycogen as a storage carbohydrate. Glutaminolysis in both organisms proceeds by the delta-amino-butyrate shunt to produce succinate which is then further metabolized to acetate and carbon dioxide as end-products.
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PMID:Comparison of glycolysis and glutaminolysis in Onchocerca volvulus and Brugia pahangi by 13C nuclear magnetic resonance spectroscopy. 260 14

Thirteen fetuses with abdominal cystic tumors were diagnosed by routine prenatal ultrasonography between the 28th and 36th week of gestation. Postnatal ultrasonography of the full-term newborns confirmed the findings. Laparotomies were performed in all cases except one. Patients who were operated on had large ovarian pseudocysts with volumes between 24 and 120 cc. In seven patients (54%), the cysts arose from the left ovary; this included four cases in which the postnatal ultrasound was interpreted as showing the cysts in the right abdomen. Very thin cystic walls threatening perforation were found in 91%. In 33%, we found salpingotorsion on the affected side. Small contralateral ovarian cysts were found in 66% of the patients. One infant required resection of 30 cm of necrotic jejunum because adhesions to the cyst had caused bowel volvulus. Histology of the cysts showed hemorrhage and calcifications, but ovarian stroma was absent in all but one patient. Serum estradiol-17 beta, progesterone follicle-stimulating hormone, and luteinizing hormone were normal in all cases, and similar levels were found in the cyst fluid. These results show that large abdominal cystic masses in full-term infant girls with normal gonadotrophin levels and normal serum estradiol-17 beta and progesterone levels are very likely to require surgery; this is in contrast to preterm neonates with elevated gonadotrophins who can be treated with medroxyprogesterone acetate in the absence of clinical signs necessitating surgery.
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PMID:Three years' experience with large ovarian cysts diagnosed in utero. 266 96

Living females and microfilariae of Onchocerca volvulus incubated in culture medium containing [32P]orthophosphate were observed to phosphorylate their proteins rapidly. Patterns of phosphoproteins in extracts from these labelled parasites were compared after two dimensional electrophoresis and autoradiography. Protein extracts from eggs, microfilariae and adult females of O. volvulus were phosphorylated in the presence of [gamma-32P]ATP, magnesium acetate, and added cyclic AMP-dependent protein kinase or the endogenous protein kinase present in the extracts. Patterns of phosphoproteins were compared after separation by single and two-dimensional gel electrophoresis followed by autoradiography. Common phosphopeptide bands were observed when phosphorylated extracts from adult females, microfilariae and eggs were compared. However, extracts from eggs displayed unique phosphorylated polypeptides of M(r) 30,000 and 34,000 that were absent from the extracts from microfilariae. Furthermore, two phosphorylated polypeptides of M(r) 47,000 and 76,000 were detected in extracts from microfilariae but not from eggs. These results indicate that O. volvulus parasites may phosphorylate different proteins at different stages of their development.
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PMID:Phosphoprotein patterns in Onchocerca volvulus developmental stages. 781 28