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Publikováno v:
Journal of pharmacological methods. 23(4)
In homogenates of guinea-pig brain minus cerebellum, the delta-binding of 1.5 nM [3H]-[D-Pen2,D-Pen5]enkephalin is little affected by the type and concentration of the three buffers, Tris-HCl, HEPES-KOH, or TES-KOH (10-75 mM). However, the mu-binding
Publikováno v:
Journal of Neurochemistry. 45:1034-1042
Following incubation of [3H]dynorphin A (1-8) and [3H]dynorphin A (1-9) with suspensions of guinea pig brain membranes, analysis of the supernatants by HPLC has shown that both peptides are degraded at 25 degrees C and at 0 degrees C. Bestatin and ca
Publikováno v:
Developmental Brain Research. 31:53-58
With selective labelling techniques and analysis of saturation curves it is shown that in rat brain the concentrations of μ-, δ- and χ-binding sites increase differentially during postnatal development. There are no changes in the binding affiniti
Publikováno v:
Developmental Brain Research. 23:306-309
By selective labelling techniques together with analysis of saturation curves it is shown that the concentrations of the mu-, delta- and chi-binding sites increase during postnatal development particularly in the first few weeks after birth. There ar
Autor:
Hans W. Kosterlitz, L.E. Robson, Paola Petrillo, Antonio La Regina, M. Sbacchi, Alessandra Tavani
Publikováno v:
European Journal of Pharmacology. 166:213-217
The highest maximum binding capacities at the μ-sites of rabbit brain are in the striatum, with intermediate levels in the diencephalon, mesencephalon, cerebellum and cortex and low level in the pons-medulla and hippocampus. For the δ-site the high
Publikováno v:
British Journal of Pharmacology. 85:665-673
The acute effects of beta-funaltrexamine and the effects of pre-incubation with this compound were examined in five in vitro assay tissues and in selective binding assays in homogenates of guinea-pig brain and myenteric plexus. In competitive displac
Publikováno v:
Neuroscience. 12:621-627
(-)-[3H]Bremazocine interacts almost equally well with the mu-, delta- and kappa-types of opioid binding sites. In homogenates of guinea-pig cerebellum, it was bound with high affinity (KD = 0.046 nM) and the maximum binding capacity was 7.04 pmol/g
Autor:
A.T. McKnight, L.E. Robson, S J Paterson, Alistair D. Corbett, Maureen G. C. Gillan, H.W. Kosterlitz
Publikováno v:
Regulatory Peptides. 10:1-7
Publikováno v:
British Journal of Pharmacology. 66:601-608
1 Isolated ilea from guinea-pigs implanted with morphine pellets were stimulated coaxially, either with or without morphine present in the bath fluid, and the longitudinal contractions recorded. 2 In the absence of morphine the inhibitory effects of