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Biomedical subjects

F Giuliano

Publications and source records attributed to F Giuliano.

107 records · Page 6Linked to original sources

[Injuries to the liver. Study of 54 cases].

The records of 54 consecutively treated patients with hepatic trauma were reviewed. Diagnosis, treatment and results were analyzed. Clinical features and ultra sonography were deciding for diagnosis. Frequent associated injuries are due to mechanism of injury 74% of road accident. 50% of lesions were major. Treatment were hemostasis, by suture and packing. Only 6 major hepatectomy were realised. Total mortality is 15% due to incomplete initial treatment or to extra-hepatic injury. Morbidity is important due to sepsis and hemorrhage. Therapeutic evolution showed decline of resection for conserving operation.

Adult↗

[Computer program recognition of a cDNA sequence specifying signal peptides].

An application of a computational analysis of cDNA sequences is presented in this paper. The goal is the identification of functional domains on sequence data. The results show the capability of this technique to identify a zone of DNA associated with the signal peptide coding region, whose biological function at DNA or RNA level is still unknown.

Base Sequence↗

Human erythrocyte glucose 6-phosphate dehydrogenase. Influence of coenzyme derivatives on thermostability and kinetic properties.

A number of derivatives of NADP(H) were tested with respect to their effectiveness in interacting with tetrameric glucose 6-phosphate dehydrogenase (G6PD) retaining only the fraction of "structural" coenzyme (4 moles NADP). Interaction was probed by two parameters: a) increased thermostability of G6PD activity, measured as the difference in the corresponding transition temperature (Tm) of samples containing and lacking the NADP derivatives, respectively; b) competitive inhibition toward NADP, expressed a Ki values. Protection afforded by the various effectors against thermal denaturation decreased in the following order: NADPH, NADP, PADP-ribose, adenosine 2',5'-P2. Other NADP derivatives, including 2',3' cyclic NADP, NMN, NMNH, nicotinamide, adenosine 2'-P, were uneffective in respect to this property. The kinetically measured affinity was the greatest for NADPH and decreased progressively for the following effectors: PADP-ribose, NADP, NMNH, PADP-glycolaldehyde, adenosine 2',5'-P2, PADP-ribitol, adenosine 2'-P. Nicotinamide and NMN were uneffective on NADP binding. These data show that the adenosine moiety of NADP is more critically involved than the nicotinamide portion in the interaction with human G6PD.

Drug Stability↗