SPATIAL ARRANGEMENT AND METABOLIC CAPACITY OF FIBER TYPES IN SELF-REINNERVATED CAT MUSCLE

被引:14
作者
NEMETH, PA
COPE, TC
KUSHNER, S
NEMETH, PM
机构
[1] HAHNEMANN UNIV,DEPT PHYSIOL & BIOPHYS,MAIL STOP 409,BROAD & VINE ST,PHILADELPHIA,PA 19102
[2] HAHNEMANN UNIV,DEPT BIOMETR & COMP,PHILADELPHIA,PA 19102
[3] WASHINGTON UNIV,DEPT NEUROL,ST LOUIS,MO 63110
[4] WASHINGTON UNIV,DEPT ANAT & NEUROBIOL,ST LOUIS,MO 63110
来源
AMERICAN JOURNAL OF PHYSIOLOGY | 1993年 / 264卷 / 02期
关键词
NERVE INJURY; TYPE GROUPING; ENERGY METABOLISM; HISTOCHEMISTRY;
D O I
10.1152/ajpcell.1993.264.2.C411
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
The recovery potential of skeletal muscle was explored by examining cat muscle between 10 and 33 mo after complete transection and immediate surgical reunion of its own nerve. Biochemical analysis of single muscle fibers showed that the activities of key enzymes in energy metabolism (malate and lactate dehydrogenase and adenylokinase) were similar to normal for their respective fiber types, suggesting that incomplete recovery of the ability to sustain submaximal contraction in reinnervated muscles (T. C. Cope, C. B. Webb, and B. R. Botterman. J. Neurophysiol. 65: 648-656, 1991) is explained in some other way. Two independent statistical procedures for assessing the randomness of adjacencies of histochemically identified fiber types showed type grouping in some areas, but there were also many regions with randomly distributed fiber types. These findings demonstrate the potential for substantial recovery of both energy metabolism and dispersion of fiber types after self-reinnervation.
引用
收藏
页码:C411 / C418
页数:8
相关论文
共 27 条
[1]   SPATIAL-DISTRIBUTION OF MUSCLE-FIBERS WITHIN THE TERRITORY OF A MOTOR UNIT [J].
BODINEFOWLER, S ;
GARFINKEL, A ;
ROY, RR ;
EDGERTON, VR .
MUSCLE & NERVE, 1990, 13 (12) :1133-1145
[2]   3 MYOSIN ADENOSINE TRIPHOSPHATASE SYSTEMS - NATURE OF THEIR PH LABILITY AND SULFHYDRYL DEPENDENCE [J].
BROOKE, MH ;
KAISER, KK .
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY, 1970, 18 (09) :670-&
[3]  
Burke RE, 1981, HDB PHYSL NERVOUS 1, V1, P345
[4]   CONTROL OF MOTOR-UNIT TENSION BY RATE MODULATION DURING SUSTAINED CONTRACTIONS IN REINNERVATED CAT MUSCLE [J].
COPE, TC ;
WEBB, CB ;
BOTTERMAN, BR .
JOURNAL OF NEUROPHYSIOLOGY, 1991, 65 (03) :648-656
[5]   CROSS-REINNERVATED MOTOR UNITS IN CAT MUSCLE .1. FLEXOR DIGITORUM LONGUS MUSCLE UNITS REINNERVATED BY SOLEUS MOTONEURONS [J].
DUM, RP ;
ODONOVAN, MJ ;
TOOP, J ;
BURKE, RE .
JOURNAL OF NEUROPHYSIOLOGY, 1985, 54 (04) :818-836
[6]  
Feller W., 1957, INTRO PROBABILITY TH
[7]   PROPERTIES OF SELF-REINNERVATED MOTOR UNITS OF MEDIAL GASTROCNEMIUS OF CAT .2. AXOTOMIZED MOTONEURONS AND TIME COURSE OF RECOVERY [J].
FOEHRING, RC ;
SYPERT, GW ;
MUNSON, JB .
JOURNAL OF NEUROPHYSIOLOGY, 1986, 55 (05) :947-965
[8]   PROPERTIES OF SELF-REINNERVATED MOTOR UNITS OF MEDIAL GASTROCNEMIUS OF CAT .1. LONG-TERM REINNERVATION [J].
FOEHRING, RC ;
SYPERT, GW ;
MUNSON, JB .
JOURNAL OF NEUROPHYSIOLOGY, 1986, 55 (05) :931-946
[9]   MYOSIN ISOZYMES IN NORMAL AND CROSS-REINNERVATED CAT SKELETAL-MUSCLE FIBERS [J].
GAUTHIER, GF ;
BURKE, RE ;
LOWEY, S ;
HOBBS, AW .
JOURNAL OF CELL BIOLOGY, 1983, 97 (03) :756-771
[10]   REINNERVATION OF THE LATERAL GASTROCNEMIUS AND SOLEUS MUSCLES IN THE RAT BY THEIR COMMON NERVE [J].
GILLESPIE, MJ ;
GORDON, T ;
MURPHY, PR .
JOURNAL OF PHYSIOLOGY-LONDON, 1986, 372 :485-500