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June 1, 1969Biochemistry

Role of magnesium in the relaxation of myofibrils

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Authors

AWAnnemarie WeberGerman DoctorsRHRuth HerzGoogle (United States)IRI ReissGoogle (United States)

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Implication

Supports targeted magnesium studies in cardiac biophysics; leaves open clinical translation to relaxation disorders.

Key Points

  • The research aims to elucidate the role of magnesium in the biochemical process of myofibril relaxation.
  • Analysis of myofibril responses to varying magnesium concentrations.
  • Biochemical assays to measure myofibril relaxation metrics.
  • Comparative studies with calcium's role in muscle contraction and relaxation.
  • Magnesium significantly enhances myofibril relaxation compared to control conditions.
  • Lower magnesium levels correlate with reduced relaxation efficiency of myofibrils.
  • Effects of magnesium observed were distinct from those attributed to calcium.

Cite This Study

Weber et al. (1969) studied this question.

synapsesocial.com/papers/6a6f8117f44fa9f079dcf441https://doi.org/10.1021/bi00834a005
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A study of the effects of substrate concentration and certain relaxing factors on the magnesium-activated myofibrillar adenosine triphosphatase1956 · 279 citations
  2. 2The Site of Calcium Binding in Relation to the Activation of Myofibrillar Contraction1968 · 111 citations
  3. 3The bound nucleotide of the isolated myofibril1952 · 122 citations
  4. 4Studies on the Isolation and Molecular Properties of Homogeneous Globular Actin1967 · 282 citations