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Biomedical subjects

G Sansone

Publications and source records attributed to G Sansone.

At least 91 records · Page 5Linked to original sources

[Eventual presence of 3-4 benzopyrene in the non-saponificable part of sunflower oil].

Within the limit of the research on the chemical composition of the nonsaponds of the edible oils, under execution in our Institute have been affected some cromatografic gas and spectoskopic analysis (U.V.) on a sample of sunflower seeds oil. Concentrating our research essentially on the determination of the presence of 3-4 benzopyrene in the above oil, we have treated about 8,3 gr. of nonsapond with appropriate chemical methodologies, in order to obtain specific samples for the polycyclic aromatic hydrocarbon analysis. The results of the cromatografic gas and spectoskopic of two fractions, obtained through the process of the preparation of the nonsapond sample, compared with those of a standard solution of 3-4 benzopyrene, exclude the presence of the hydrocarbon in the sunflower oil.

Benzopyrenes↗

[Estrogens in calf embryos].

A particular technique has been restated for the analysis of extradiol and extrones. Availing ourselves of such a technique, we have determined the presence of the steroid hormones, extradiol and extrones, in the calf embryos. The above studies are framed within the sphere of the researches made in our Institute, having the scope of determining the biological effects and the chemical composition of the calf embryos, which is utilized like a commercial product in some other Nations.

Animals↗

The silent carrier of beta thalassemia: interaction with the typical beta thalassemic trait.

The case of a girl affected by a Colley's disease of moderate severity is reported. A brother and a sister had levels of Hb F respectively of 18% and 45%. The father showed all the hematological signs of heterozygous thalassemia. The mother, however, was normal so far as osmotic fragility, red cell morphology, and Hb A2 level are concerned. In vitro hemoglobin chains biosynthesis was performed in all the subjects. Both the parents showed an alfa/non alfa ratio typical of beta thalassemia. Therefore, the mother has to be considered a "silent" carrier of the trait. The daughters and the son have a less severe Colley disease originating by such a double heterozygosity.

Child↗

[Diagnosis of chronic reflux esophagitis. Role of endoscopic and histological examination].

Fibroendoscopic and histobioptic study of the distal oesophageal mucosa has been carried out in a series of patients suffering from gastro-oesophageal regurgitation. The regurgitation condition was verified and its extent established by means of anamnestic, spot-fluorographic and manometric-pHmetric investigations. On the basis of the analysis of relations between the extent of the oesophagitis assessed on the basis of endoscopy and that arising out of microscopic examination of the biopsy, it is concluded that there is no complete correspondence between the two techniques insofar as endoscopy can give false positive or false negative results. On the basis of these results and of those of functional investigations, histology is considered desirable even when the oesophageal mucosa is normal, if there are clinical and/or laboratory signs of gastro-oesophageal regurgitation.

Adult↗

A new type of congenital dyserythropoietic anaemia.

This report concerns a 6-year-old child with severe dyseythropoietic anaemia and splenomegaly, apparently present since the first months of life. Striking anisopolikilocytosis was observed in the blood smear. The bone marrow showed marked erythroblastic hyperplasia with dyserythropoiesis. Ineffective erythropoiesis was demonstrated by ferrokinetic studies. Ultrastructurally erythroblasts appeared grossly abnormal. The clinical course was progressively worsening, necessitating repeated transfusions. The patient's father, also affected by a chronic anaemia of moderate degree since childhood, had a peripheral picture of anisopoikilocytosis, a shortened life span of the erythrocyte and in his bone marrow an erythroblastic hyperplasia with many atypical erythroblasts. His condition deteriorated because of persistent jaundice, biliary cholelithiasis, fibrosis and haemosiderosis of the liver. The clinical course, the pattern of the genetical transmission, the peculiar features of the erythroblasts disclosed by light and by electron microscope studies suggest that these cases represent a new type of congenital dyserythropoietic anaemia.

Adult↗

A drug-induced haemolytic anaemia due to Hb Torino (alpha43(CD1)Phe replaced by Val). second finding in an Italian family.

The unstable haemoglobin, Tb Torino (alpha43(CD1)Phe replaced by Val), has been found for the second time in a family from the Treviso region of Italy. The haemoglobin has a slightly lower oxygen affinity than normal. In both cases, the abnormal haemoglobin is associated with inclusion body anaemia but the course of the disorder in the present case is much less severe than that previously reported. The oxygen affinity of the haemolysate has been measured and been found lower than normal.

Adult↗

Glucose-6-phosphate dehydrogenase variants from Italian subjects associated with severe neonatal jaundice.

Screening for the G6PD deficiency was carried out at the Maternity Division of the Galliera Hospital in Genoa, Italy. Two groups of subjects with hyperbilirubinaemia of non-immunological origin were examined: (a) 302 newborn babies of Sardinian extraction (on cord blood) and (b) 201 newborn babies of south Italian ancestry (on peripheral blood). Among 503 subjects, 43 showed an enzyme deficiency; in 39 the defect was of the Mediterranean type. In one case, previously described, the enzyme was of the A- type. In the remaining cases three different variants were identified. In the present work these three cases, each with severe neonatal jaundice, are reported. Their parents originated from Calabria, from Sardinia and from Sicily. The abnormal enzymes are respectively designated as GdDcbrousse-like,, GdGallura and GdAgrigento.

Electrophoresis, Starch Gel↗