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Successful 96-Hr cold-storage preservation of canine pancreas with UW solution containing the thromboxane A2 synthesis inhibitor OKY046. 1992

S Kin, and E Stephanian, and P Gores, and K Shirabe, and T Tanaka, and A Salazar, and K Brayman, and R Gruessner, and D E Sutherland
Department of Surgery, University of Minnesota, Minneapolis 55455.

Prostanoids, such as prostacyclin (PGI) and thromboxane A2 (TxA), have been recently suggested to play an important role in preservation-induced injury of pancreas grafts. We have previously shown that the TxA synthesis inhibitor OKY046 prevents a decrease of both the PGI/TxA ratio and blood flow in pancreas grafts after 24-hr preservation with Euro-Collins solution. In our present study, we analyzed whether OKY046 added to University of Wisconsin (UW) solution could extend successful cold-storage preservation of segmental canine pancreas grafts, compared with UW alone. We divided 30 dogs into four preservation groups: Group 1, UW solution for 72 hr (n = 7); Group 2, UW solution for 96 hr (n = 8); Group 3, UW solution plus OKY046 (10(-4) M) for 72 hr (n = 7); and Group 4, UW solution plus OKY046 (10(-4) M) for 96 hr (n = 8). After the cold storage period, segmental pancreas auto-transplantation with immediate completion pancreatectomy was done. Preservation was deemed successful if serum glucose less than 150 mg/dl was maintained for at least 5 days. Intravenous glucose tolerance tests and biopsies were done in those dogs with functioning grafts 14 days post-transplant. Successful preservation rates were as follows: Group 1, 57.1%; Group 2, 12.5%; Group 3, 100%; and Group 4, 75%. The mean K values (+/- standard error) were: Group 1, 1.54 +/- 0.13; Group 2, 0.59; Group 3, 1.54 +/- 0.14; and Group 4, 1.59 +/- 0.24 (not statistically different).(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D008297 Male Males
D008689 Methacrylates Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group. Methacrylate
D009926 Organ Preservation The process by which organs are kept viable outside of the organism from which they were removed (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Organ Preservations,Preservation, Organ,Preservations, Organ
D011464 Epoprostenol A prostaglandin that is a powerful vasodilator and inhibits platelet aggregation. It is biosynthesized enzymatically from PROSTAGLANDIN ENDOPEROXIDES in human vascular tissue. The sodium salt has been also used to treat primary pulmonary hypertension (HYPERTENSION, PULMONARY). Prostacyclin,Prostaglandin I2,Epoprostanol,Epoprostenol Sodium,Epoprostenol Sodium Salt, (5Z,9alpha,11alpha,13E,15S)-Isomer,Flolan,Prostaglandin I(2),Veletri
D011887 Raffinose A trisaccharide occurring in Australian manna (from Eucalyptus spp, Myrtaceae) and in cottonseed meal. Gossypose,Melitose,Melitriose
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D005978 Glutathione A tripeptide with many roles in cells. It conjugates to drugs to make them more soluble for excretion, is a cofactor for some enzymes, is involved in protein disulfide bond rearrangement and reduces peroxides. Reduced Glutathione,gamma-L-Glu-L-Cys-Gly,gamma-L-Glutamyl-L-Cysteinylglycine,Glutathione, Reduced,gamma L Glu L Cys Gly,gamma L Glutamyl L Cysteinylglycine

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