METHODS Sections of hearts obtained at autopsy were taken from the left ventricular free
wall and frosen. Homogenates were prepared in 100 ml4 phosphate buffer at pli 7.4 …

Washed mitochondria from rat liver incorporated labelled amino acids into protein in the
presence of sucrose, phosphate, tris buffer, MgSO4, KCl and succinate or α-ketoglutarate …

METHODS Guinea pigs were stunned by a blow on the head and their hearts were quickly
excised and perfused via the aortas with nonrecirculating Krebs-Henseleit solution …

Reoxygenation of ischaemic, energy-depleted heart does not result in sufficiently rapid
regeneration of normal adenine nucleotide concentrations for preservation of cardiac …

We have used the rat isolated, perfused heart to study the metabolism of adenine
nucleotides on a single passage through the coronary circulation. Low doses (3-30 nmol) of …

Materials and Methods-The sources of materials were the same as for a previous
investigation (3), except that in most cases the suspension of liver particles, which contained …

1. The contents of the major purine nucleotides in the isolated non-working perfused rat
heart varied systematically during 80min of perfusion. In particular the amounts of ATP, ADP …

Of 20 amino acids measured, alanine is the principal amino acid released by forearm
muscle of man, in accord with its being the principal amino acid extracted by liver for …

Leucine transaminase was purified extensively from pig heart muscle. It appeared to be
nearly homogeneous by the criteria of both starch gel and free boundary electrophoresis …

This study was conducted to elucidate the role of S-adenosyl-L-homocysteine (SAH)
hydrolase, 5'-nucleotidase and adenosine kinase in the production and removal of …