Leukocyte Lactate Dehydrogenase Changes as an Indicator of Infection Prior to Overt Symptoms1

作者: Esther M. Leise , Irving Gray , Martha K. Ward

DOI: 10.1128/JB.96.1.154-159.1968

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摘要: Lactic acid dehydrogenase (LDH) concentration of rabbit serum and leukocytes was followed during the course an acute infection with Diplococcus pneumoniae. Control values were obtained prior to infection, again 4, 24, 48 hr later. LDH isozymes characterized by acrylamide gel electrophoresis quantitated densitometry. An increase in observed as early 4 after infection. These levels returned normal 24 rose The level leukocytes, from 10 12 infected rabbits, rapidly 24-hr period exposure. two three times original preinoculation for that animal. In six these this elevation occurred inoculation preceded onset fever. Change type leukocyte did not account cellular LDH. All rabbits showed approximately same polymorphonuclear but all developed comparable increases isozyme patterns obtained, when defined amounts enzyme applied electrophoresis, most part a three-enzyme pattern. Increasing occasionally revealed fourth, more cathodal, enzyme. cathodic enzymes appear be responsive sudden shifts occur within cell.

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