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Implementation of p...
Implementation of periodic acid-thiosemicarbazide-silver proteinate staining for ultrastructural assessment of muscle glycogen utilization during exercise
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Fridén, Jan (författare)
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- Seger, Jan (författare)
- Gymnastik- och idrottshögskolan,Institutionen för idrotts- och hälsovetenskap
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- Ekblom, Björn (författare)
- Gymnastik- och idrottshögskolan,Björn Ekbloms forskningsgrupp
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(creator_code:org_t)
- 1985
- 1985
- Engelska.
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Ingår i: Cell and Tissue Research. - 0302-766X .- 1432-0878. ; :242, s. 229-232
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Distribution of glycogen particles in semithin and ultrathin sections of biopsy samples from human muscles subjected to either short- or long-term running were investigated using PAS and Periodic Acid-ThioSemiCarbazide-Silver Proteinate (PA-TSC-SP) staining methods. Glycogen particles were predominantly found immediately under the sarcolemma or aligned along the myofibrillar I-band. After long-term exhaustive exercise type-1 fibers with a few or no glycogen particles in the core of the fibers were frequently observed. The subsarcolemmal glycogen stores of these "depleted" type-1 fibers were about three times as large as after exhaustive short-time exercise. Another indication of utilization of subsarcolemmal glycogen stores during anaerobic exercise was that many particles displayed a pale, rudimentary shape. This observation suggests fragmental metabolization of glycogen. Thus, depending on type of exercise and type of fiber differential and sequential glycogen utilization patterns can be observed
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Nyckelord
- Physiology
- Fysiologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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