PMID: 6161114Mar 1, 1980Paper

Lack of 'acid reversal' of myofibrillar adenosine triphosphatase in masticatory muscle fibres of rhesus monkeys

The Histochemical Journal
L C MaxwellC E Brangwyn

Abstract

Myofibrillar adenosine triphosphatase (ATPase) activity was demonstrated in sections of masseter and temporalis muscles and of selected limb muscles of adult rhesus monkeys. Incubations were performed either with no pre-treatment or after prior incubation in alkaline media (pH 10.2-10.4) or acidic media (pH 3.8-4.6). Without pre-treatment, fibres having high or low ATPase activity were observed in limb and masticatory muscles. Following alkaline pre-incubation the difference between high and low ATPase of limb muscle fibres is accentuated, whereas pre-incubation in acidic media (pH 4.3) results in inhibition of high and potentiation of low ATPase activities ('acid reversal'). While pre-incubation of masticatory muscle sections at pH 10.2 accentuates differences in ATPase activity, pre-incubation at pH 10.4 abolishes ATPase activity. In contrast, masticatory muscle fibres showed no reversal of ATPase activity following acidic pre-incubation (pH 4.3). Pre-incubation at pH 3.8 abolished the ATPase activity of both limb and masticatory muscle fibres. The biochemical basis for the differences in ATPase histochemistry between masticatory and limb muscles is not known.

References

Jun 1, 1977·Journal of the Neurological Sciences·M RingqvistL E Thornell
Jul 1, 1977·The American Journal of Physiology·L C MaxwellJ A Faulkner
Sep 1, 1975·Neurology·V Askanas, W K Engel
Oct 1, 1970·Archives of Neurology·M H Brooke, K K Kaiser
Sep 1, 1970·The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society·M H Brooke, K K Kaiser
Jun 1, 1971·Experimental Neurology·C R Ashmore, L Doerr
Feb 1, 1973·The American Journal of Physiology·L C MaxwellD A Lieberman
Dec 1, 1969·The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society·V R Edgerton, D R Simpson
Sep 26, 1973·Nature: New Biology·S R Levinson, J C Ellory
Jul 1, 1957·The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society·M M NACHLASA M SELIGMAN
Dec 31, 1966·Nature·G A Drews, W K Engel

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Citations

Aug 5, 2000·American Journal of Physical Anthropology·F Anapol, S W Herring
Aug 1, 1983·Journal of Muscle Research and Cell Motility·A RowlersonE Carpene
Jan 1, 1984·The American Journal of Physiology·L C Maxwell

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