1971
DOI: 10.1001/archneur.1971.00490060094010
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Fiber Types and Preclinical Changes in Chicken Muscular Dystrophy

Abstract: The sartorius muscles of normal and dystrophic chicken at different ages were compared by histochemical

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Cited by 36 publications
(8 citation statements)
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“…On the basis of myosin ATPase and dehydrogenase reactivity, mammalian myofibers are classified mainly into type I (Brooke and Kaiser, 1970) or slow-twitch/ oxidative (SO) myofibers (Peter et al, 1972), type IIA or fast-twitch/oxidative/glycolytic (FOG) myofibers, and type IIB or fast-twitch/glycolytic (FG) myofibers. Tonic myofibers of chickens (Shafiq et al, 1971;Ovalle, 1978), amphibians (Smith and Ovalle, 19731, and reptiles are distinguishable from twitch myofibers by differences in myosin adenosine triphosphatase (ATPase) reactivity.…”
mentioning
confidence: 99%
“…On the basis of myosin ATPase and dehydrogenase reactivity, mammalian myofibers are classified mainly into type I (Brooke and Kaiser, 1970) or slow-twitch/ oxidative (SO) myofibers (Peter et al, 1972), type IIA or fast-twitch/oxidative/glycolytic (FOG) myofibers, and type IIB or fast-twitch/glycolytic (FG) myofibers. Tonic myofibers of chickens (Shafiq et al, 1971;Ovalle, 1978), amphibians (Smith and Ovalle, 19731, and reptiles are distinguishable from twitch myofibers by differences in myosin adenosine triphosphatase (ATPase) reactivity.…”
mentioning
confidence: 99%
“…The myofibers that reacted strongly for acid-stable myosin ATPase and moderately (-H-) for alkali-stable myosin ATPase were denoted as type SM (20). Type II myofibers were subdivided into type IIA and JIB myofibers by differences in activity for NADHOX as shown by Shafiq et al (16).…”
Section: Methodsmentioning
confidence: 99%
“…
The presence of subtypes of dark and light myofibers distinguished by myosin adenosine triphosphatase (ATPase) reaction after alkaline preincubation was studied in thigh muscles of chickens.The Type IIB myofibers were strong in activity for glycerol-3-phosphate: menadione oxidoreductase (GPOX) whereas many type IIA myofibers were weak.Type IIA myofibers were stained weakly to moderately with 3-hydroxybutyrate: NAD+ oxidoreductase (HBOX) and type IIB myofibers were stained very weakly.Type I, SM, SS, and MM myofibers were stained strongly with NADHOX, weakly to moderately with HBOX, and weakly with GPOX.Myofibers of skeletal muscle have been classified into three to seven types by correlating the relative activity of myosin adenosine triphosphatase (ATPase) and oxidoreductase in chickens (1,8,16,18). In general, the myofibers that show a strong reaction for acid-stable myosin and a weak reaction for alkali-stable myosin ATPase are designated as type I (3, 16) or 9 (1, 5), whereas type II or a myofibers show a weak reaction for acid-stable myosin ATPase and a strong reaction for alkalistable myosin ATPase.
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mentioning
confidence: 99%
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“…The rasH2 mouse might be a useful model for exploring this diversity of phenotypes in muscular degeneration based on the muscle fiber type, since susceptibility to myopathy was different among muscles or muscle fiber types in the rasH2 mouse. Only type II fiber is also known to be affected in the chicken muscular dystrophy model [1,23,33]. But, a mouse model is thought to have an advantage in the view of ease of maintain and handle.…”
Section: Fig 2 Histochemical Analysis Of Cryosections Of Skeletal Mmentioning
confidence: 99%