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Expression of GHR and PGC-lα in association with changes of MyHC isof orm types in longissimus muscle of Erhualian and Large White pigs (Sus scrofa) during postnatal growth. ACTA ACUST UNITED AC 2016. [DOI: 10.1017/s1357729800090068] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
AbstractMyofibre composition in longissimus dorsi (LD) muscle of Erhualian (EHL) and Large White (LW) pigs was investigated by determining the ratios of mRNA abundances of four myosin heavy chain (MyHC) isoforms (MyHC I, MyHC 2a, MyHC 2x and MyHC 2b) using multiplex RT-PCR. The relationship between expression of growth hormone receptor (GHR) and peroxisome proliferator-activated receptor α coactivator-lα (PGC-lα) mRNAs and changes ofmyofibre type composition during postnatal growth from 3 to 180 days of age were analysed. At 3 days of age, proportions of MyHC I, 2a and 2x fibres were high while only a few MyHC 2b fibres were differentiated. Dramatic changes were observed from day 3 to day 20 with significantly decreased MyHC I, 2a and 2x fibres but abrupt increases in MyHC 2b fibres in both breeds of pigs. Breed difference was exhibited only from day 90, with higher MyHC 2b but less MyHC I and 2a expression in LW pigs. Developmental pattern of GHR mRNA expression in LD muscle coincided with that of MyHC 2b, with LW pigs expressing higher abundance of GHR mRNA. PGC-lα mRNA expression followed distinct patterns in the two breeds of pigs, a higher level of PGC-lα mRNA being expressed in LD muscle of EHL pigs, the breed that possessed more oxidative fibres (MyHC I and MyHC 2a).
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Ruusunen M, Puolanne E. Histochemical properties of fibre types in muscles of wild and domestic pigs and the effect of growth rate on muscle fibre properties. Meat Sci 2013; 67:533-9. [PMID: 22061529 DOI: 10.1016/j.meatsci.2003.12.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2003] [Revised: 11/21/2003] [Accepted: 12/17/2003] [Indexed: 10/26/2022]
Abstract
This study reports the results of a comparison of the histochemical properties of various types of porcine muscles in wild and domestic pigs. In domestic pigs, the influence of growth rates on these properties were studied in five muscles: longissimus dorsi (LD), semimembranosus (SM), gluteus superficialis (GS), infra spinam (IS) and masseter (MAS). The growth rate was expressed as: (i) live weight (LW) at 165±2 days and (ii) daily LW gain from day 88 to day 165 (DG) on the experimental diet. LD, SM, GS and IS of wild pigs were found to contain a higher area percentage of oxidative type IIA fibres (type IIA%(area)) and a lower percentage area of glycolytic type IIB fibres (type IIB%(area)) than the same muscles of domestic pigs. The capillary density in the light muscles (LD, SM, GS) of wild pigs was twice that of domestic pigs, indicating higher oxidative capacity. In domestic pigs the cross sectional area of type IIB fibres (CSA(IIB)) was markedly larger than the cross sectional area of type I (CSA(I)) and IIA (CSA(IIA)) fibres. The average fibre cross sectional area (CSA(fibre)) was about the same in the muscles of wild and domestic pigs except in LD and SM, where the average fibre cross sectional area was approximately 25% smaller in wild pigs than in domestic pigs. This difference was caused by the large cross sectional area of type IIB fibres in the light muscles of domestic pigs. In the light muscles of domestic pigs, the cross sectional area of type IIA fibres increased most with increasing growth rate. Growth rate influences muscle fibre properties only in light muscles, not in dark muscles.
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Affiliation(s)
- Marita Ruusunen
- Department of Food Technology, University of Helsinki, P.O. Box 27 (Viikki E), FIN-00014 Helsinki, Finland
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Realini CE, Vénien A, Gou P, Gatellier P, Pérez-Juan M, Danon J, Astruc T. Characterization of Longissimus thoracis, Semitendinosus and Masseter muscles and relationships with technological quality in pigs. 1. Microscopic analysis of muscles. Meat Sci 2013; 94:408-16. [PMID: 23566687 DOI: 10.1016/j.meatsci.2013.03.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Revised: 03/01/2013] [Accepted: 03/08/2013] [Indexed: 11/20/2022]
Abstract
Three porcine muscles (Longissimus thoracis, Semitendinosus, Masseter), known to have large differences in biochemical and histological traits, were fully characterized and the link between muscle structure and quality evaluated. The oxidative Masseter had more pigment, higher content of metmyoglobin, haem iron, protein and collagen, and was redder with higher fibre numbers, fibre circularity, pH and water holding capacity than the glycolytic Longissimus. Fibre type distribution showed predominance of type IIB in Longissimus and Semitendinosus white, type I in Semitendinosus red and IIA in Masseter. Type I fibres were larger than type IIB and IIA in Semitendinosus and Masseter, respectively, but not in the Longissimus, indicating that fibre size is muscle dependent. Muscle redness was positively correlated with type I fibre traits, haem iron and metmyoglobin, and negatively associated with type II fibre characteristics, non-haem iron and oxymyoglobin. Expressible juice had positive correlation with fibre size and negative with fibre number and connective tissue.
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Affiliation(s)
- C E Realini
- IRTA, Monells, Finca Camps i Armet, E-17121 Monells, Girona, Spain.
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The effects of sex condition, genotype and diet on bovine muscle fiber characteristics. Meat Sci 2012; 17:55-72. [PMID: 22055145 DOI: 10.1016/0309-1740(86)90083-5] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/1985] [Indexed: 11/20/2022]
Abstract
The effects of sex condition, breed type and dietary energy level on muscle fiber characteristics were examined at various ages and related to carcass characteristics and meat palatability. Cattle fed a low-energy diet had a significantly higher percentage of red muscle fibers, larger white muscle fiber areas and a greater percentage area of red muscle fibers than cattle fed a high-energy diet. A significant sex × breed within slaughter group interaction existed, which was complicated due to differences within breeds and sexes at different points of physiological maturity. Separate correlation coefficients for bulls and steers are shown that suggest strong directional interactions between carcass characteristics and meat quality, and muscle fiber characteristics.
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Tetrick MA, Crenshaw TD, Benevenga NJ. Octanoate and nonaoate oxidation increases 50-80% over the first two days of life in piglet triceps brachii and gracilis muscle strips. J Nutr 2012; 142:999-1003. [PMID: 22513984 DOI: 10.3945/jn.111.150797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
An in vitro muscle strip incubation system was developed to measure the rate of catabolism of 1 mmol/L [1-(14)C]octanoate, 1 mmol/L [1-(14)C]nonanoate, 1 mmol/L [9-(14)C]nonanoate, and 10 mmol/L [U-(14)C]glucose by measuring the recovery of (14)CO(2). Muscle strips (13 mm × 1.5 mm, ~50 mg) were isolated from triceps brachii and gracilis muscles of newborn and 2-d-old, small (<950 g) and large (>1450 g) piglets. The position of the (14)C label in the substrate affected the rate and amount of recovery in (14)CO(2). Therefore, comparisons were made between age groups (0 vs. 2 d old) within substrates but limited across substrates to comparisons of [1-(14)C]-labeled fatty acids. The medium-chain fatty acid (MCFA) oxidation rates [pmol/(h · mg)] in muscle strips isolated from piglets from the 2 weight groups (<950 and >1450 g) did not differ (P > 0.99), there was a trend towards a difference between triceps brachii and gracilis muscle (P = 0.09; data not shown), and there were no significant interactions involving pig weight or muscle type; therefore, results were pooled across these factors. During the first 2 d of life, MCFA oxidation [pmol/(h • · mg muscle strip)] increased (P < 0.05) 50-80%, but the glucose oxidation rate did not change (P > 0.82). By d 2, the oxidation rate of nonanoate as represented by the one carbon was 25% greater than for octanoate (P < 0.05). The conversion of [9-(14)C]nonanoate to (14)CO(2) indicated that muscle had the capacity to oxidize the propionyl-CoA produced by β-oxidation of nonanoate and that odd-chain C-9 MCFA provided anabolic carbon to the citric acid cycle.
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Affiliation(s)
- Mark A Tetrick
- Department of Nutritional Sciences, University of Wisconsin, Madison, WI, USA
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Schlotke B, Koch F. Histochemische Untersuchungen zur Entwicklung der Skelettmuskulatur des Ferkels in der Neugeborenenphase. ACTA ACUST UNITED AC 2010. [DOI: 10.1111/j.1439-0442.1978.tb00910.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Werner C, Natter R, Schellander K, Wicke M. Mitochondrial respiratory activity in porcine longissimus muscle fibers of different pig genetics in relation to their meat quality. Meat Sci 2010; 85:127-33. [DOI: 10.1016/j.meatsci.2009.12.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2009] [Revised: 12/04/2009] [Accepted: 12/14/2009] [Indexed: 11/29/2022]
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Andersen N, Ravn L, Guy J, Edwards S, Harrison A. Postnatal changes in electromyographic signals during piglet growth, and in relation to muscle fibre types. Livest Sci 2008. [DOI: 10.1016/j.livsci.2007.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gil M, Delday MI, Gispert M, I Furnols MF, Maltin CM, Plastow GS, Klont R, Sosnicki AA, Carrión D. Relationships between biochemical characteristics and meat quality of Longissimus thoracis and Semimembranosus muscles in five porcine lines. Meat Sci 2008; 80:927-33. [PMID: 22063619 DOI: 10.1016/j.meatsci.2008.04.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2007] [Accepted: 04/14/2008] [Indexed: 10/22/2022]
Abstract
Five porcine genetic lines which represent a high proportion of European pig production were fully characterized for meat quality parameters and muscle biochemical characteristics (Longissimus thoracis, LT, and Semimembranosus, SM). The line characterisation was based on 100 animals each representing Large White, Landrace, Duroc, Piétrain (Halothane negative) and Meishan (a Meishan/Large White crossbred line) prevalent genetic backgrounds. Different meat quality parameters (pH 45min, pH ultimate, electrical conductivity, and colour measurements), as well as muscle water holding capacity, muscle metabolic and contractile traits, fibre type, size and frequencies were measured and their relationships studied. The main differences in the LT were found between the Meishan and Piétrain genetic lines, in relation to the muscle fibre size (larger in Piétrain). The Duroc line was characterized by the muscle oxidative traits and the Landrace by the high percentage of fast glycolytic fibres. In SM, Duroc and Piétrain were distinguished from Landrace and Meishan according to the metabolic and contractile characteristics of this muscle. Large White tended to lie between the other breeds for many of the traits. The measured muscle characteristics were related to differences in drip loss and marbling values and could thereby influence the eating quality of pork. Overall the results show differences between the genetic lines for a number of muscle traits which could have impact on consumer appeal and eating quality. The present findings should serve to emphasise the importance of including eating quality as a trait in breed selection.
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Affiliation(s)
- Marta Gil
- IRTA, Finca Camps i Armet, 17121 Monells, Spain
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Nam YJ, Kim DU, Choi YM, Ryu YC, Lee SH, Kim BC. Histochemical and Physiological Characteristics during Korean Native Ogol Chicken Development. Korean J Food Sci Anim Resour 2007. [DOI: 10.5851/kosfa.2007.27.4.401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Sandoval JA, Arencibia A, Ramirez G, Montes A. [Histochemical and morphometric study of the fibrillar population of the diaphragm muscle. II. Cow and pig]. Anat Histol Embryol 1995; 24:275-80. [PMID: 8592982 DOI: 10.1111/j.1439-0264.1995.tb00048.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
M-ATPase techniques, at different pH levels prior to incubation, as well as metabolic procedures (alpha-MGPDH and NADH-TR), were used to determine the fibre-type content of the lumbar and costal portions in the bovine and porcine diaphragm. The fibre samples were exposed to image analysis in order to evaluate both the morphometrical and statistical values. On the basis of staining reactions, the fibre types IA, IB and IIC were found in the lumbar portion of the bovine diaphragm; in the costal portion of the same diaphragm, IA, IB, IIA and IIC fibre types were observed. With regard to the porcine diaphragm, the I, IIA, IIB, IIC fibre types were present in both portions of the muscle. Further morphometrical and statistical data concerning all the fibre types are obtained and discussed.
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Affiliation(s)
- J A Sandoval
- Departamento de Patología General y Médica, Facultad de Veterinaria, Universidad de Murcia, España
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Rose KJ, Strand FL. Accelerated neuromuscular development in the rat with prenatal exposure to nicotine. Int J Dev Neurosci 1990; 8:565-73. [PMID: 2281817 DOI: 10.1016/0736-5748(90)90049-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Nicotine, administered to pregnant Sprague-Dawley rats either throughout gestation or during two selective prenatal periods before or after muscular innervation (i.e. before or after gestational day 13), accelerated the maturation of developing nerve and muscle as viewed in 2-week-old offspring. Prenatal treatment of rats with nicotine (tartrate salt; 0.25 mg/kg twice a day; i.p.) induced marked changes in the contractile force and speed of the developing extensor digitorum longus (EDL) muscle when tested in situ on 14 to 15-day-old pups. In all nicotine treatment groups isometric twitch and tetanus half contraction durations were shorter than controls. Use of 2,3,5-triphenyltetrazolium chloride, a biochemical indicator for cellular respiration, showed that totigestational nicotine administration increases cellular metabolic activity of EDL muscle. Hypertrophy of adrenal glands in these animals also was noted. While each of the three courses of nicotine administration accelerated muscle development and maturation, nicotine during the first half of prenatal development, prior to EDL muscle innervation, produced a more dramatic effect than nicotine during the second half of prenatal life.
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Affiliation(s)
- K J Rose
- Department of Biology, New York University, NY 10003
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Barnes WS, Hasson SM. Respiratory capacity of developing chick red and white skeletal muscle. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. A, COMPARATIVE PHYSIOLOGY 1983; 75:491-5. [PMID: 6136388 DOI: 10.1016/0300-9629(83)90115-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Oxygen consumption, cytochrome oxidase and succinoxidase activity was measured in samples of leg and breast muscle from chick embryos ranging in age from 11 to 19 days. Respiratory parameters increased significantly in both muscle groups during embryonic life. By the later stages of incubation, leg and breast muscles differed significantly in cytochrome and succinoxidase activity. Oxygen uptake between leg and breast muscles did not differ significantly during later development. The results suggest at least a partial pre-natal differentiation of skeletal muscle in the domestic fowl.
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Lukás Z, Pivník L, Straka I, Rampochová J, Stĕpánová L, Kaman J. Morphological and histochemical type differentiation of the primary and secondary foetal muscle fibres in neonatal piglets. ZENTRALBLATT FUR VETERINARMEDIZIN. REIHE A 1982; 29:107-22. [PMID: 6214125 DOI: 10.1111/j.1439-0442.1982.tb01385.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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17
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Briand M, Talmant A, Briand Y, Monin G, Durand R. Metabolic types of muscle in the sheep: I. Myosin ATPase, glycolytic, and mitochondrial enzyme activities. EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY AND OCCUPATIONAL PHYSIOLOGY 1981; 46:347-58. [PMID: 6455290 DOI: 10.1007/bf00422122] [Citation(s) in RCA: 102] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The metabolic characteristics of 12 skeletal muscles of the sheep were studied. Glycolytic activities (hexokinase, glycogen synthetase I and D, phosphorylase a and b, phosphofructokinase) were measured. Myofibrillar ATPase activity was evaluated. Oxygen consumption, respiratory control and carnitine palmityl transferase, isocitrate dehydrogenase, succinate dehydrogenase and cytochrome oxidase activities were measured in isolated mitochondria. Three metabolic types could be distinguished; (1) essentially oxidative slow twitch muscles, typified by the supraspinatus and infraspinatus, having low ATPase activity, (2) fast twitch red muscles, typified by the longissimus dorsi and the semimembranosus, having a higher ATPase activity and both high oxidative and high glycolytic activity, and (3) essentially glycolytic fast twitch muscles, typified by the tensor fascia lata and the semitendinosus, having the highest ATPase activity.
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Haltia M, Berlin O, Schucht H, Sourander P. Postnatal differentiation and growth of skeletal muscle fibres in normal and undernourished rats. A histochemical and morphometric study. J Neurol Sci 1978; 36:25-39. [PMID: 148495 DOI: 10.1016/0022-510x(78)90159-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The postnatal differentiation and growth patterns of the different histochemical muscle fibre types were studied at frequent age intervals in the extensor digitorum longus (EDL) muscle of normal rats and animals subjected to pre- and postnatal protein-calorie undernutrition. Three stepwise changes were seen in the fibre type composition of the EDL muscle during maturation. In newborn normal rats 2 histochemically and morphometrically distinct fibre populations occurred: small foetal type (type F) fibres or myotubes (about 90%), with the staining characteristics of the so-called type 2C fibres, and larger type 1 fibres (10%). At 5 days of age the percentage of type F fibres had dropped to 50 simultaneously with the emergence of a new population (40%) of type 2B fibres, intermediate in cross-sectional area between the remaining type F fibres and type 1 fibres. Between 15 and 20 days the small type F fibres practically disappeared with the emergence of a corresponding percentage (40%) of type 2A fibres, smaller than both type 1 and type 2B fibres; Between 20 and 60 days the percentage of type 1 rose from 10 to almost 30, type 2B fibres correspondingly diminishing in number but growing at a faster rate than either type 1 or type 2A fibres. In the undernourished rats the histochemical differentiation was retarded at birth, all fibres or myotubes being of the foetal type; However, large type 1 and type 2B fibres were seen at the age of 5 days and the histochemical maturation proceeded almost normally at later stages. On the other hand, at all ages there was a proportional reduction in the cross-sectional area of all fibre types, amounting to about 50% at 180 dyas, and not fully restituted by nutritional rehabilitation. These observations suggest that type F (type 2C) fibres are the undifferentiated precursors of all mature muscle fibres, their stepwise histochemical transformation raising the question of maturational differences in the different types of motoneurones.
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Swatland HJ. Transitional stages in the histochemical development of muscle fibres during post-natal growth. THE HISTOCHEMICAL JOURNAL 1977; 9:751-7. [PMID: 144716 DOI: 10.1007/bf01003069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Serial frozen sections of longissimus dorsi muscles from seven pigs at different live weights (13 to 127 kg) were reacted for ATPase by the calcium method at an alkaline pH and for NADH oxidative activity. One hundred muscle fibres from each animal were identified individually in serial sections and their staining intensity was measured with a microscope photometer at 600 nm. For each section, staining intensity of fibres (% tranmission) was measured and converted to the nearest one-tenth unit of the range from the darkest to the lightest staining fibres. Frequency of occurrence of fibre types was plotted on a 10 X 10 grid using the range co-ordinates for NADH oxidative activity (vertical) and ATPase activity (horizontal). The commonly recognized histochemical fibre types in this muscle appeared as crowded areas in the grid but, in many cases, these areas were part of a continuous 'L' shaped range, a continuous but skewed distribution with regard to NADH oxidative activity was detected. In fibres with NADH oxidative activity of 0.6 to 1.0 units of the range, a continuous but irregular distribution with regard to ATPase activity was detected. Within this range, there was some evidence of a growth-related shift towards weaker ATPase activity.
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Swatland HJ. Myofibre number and myofibrillar development in neonatal pigs. ZENTRALBLATT FUR VETERINARMEDIZIN. REIHE A 1975; 22:756-63. [PMID: 813449 DOI: 10.1111/j.1439-0442.1975.tb01485.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Tomanek RJ. A histochemical study of postnatal differentiation of skeletal muscle with reference to functional overload. Dev Biol 1975; 42:305-14. [PMID: 123208 DOI: 10.1016/0012-1606(75)90337-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cassens RG, Marple DN, Eikelenboom G. Animal physiology and meat quality. ADVANCES IN FOOD RESEARCH 1975; 21:71-155. [PMID: 239548 DOI: 10.1016/s0065-2628(08)60090-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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24
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Dalrymple RH, Cassens RG, Kastenschmidt LL. Glycolytic enzyme activity in developing red and white muscle. J Cell Physiol 1974; 83:251-7. [PMID: 4822528 DOI: 10.1002/jcp.1040830211] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Chinoy NJ, Kshatriya AM. Regional differences in guinea pig pectoralis muscle. A histophysiological study. Life Sci 1973; 13:1057-67. [PMID: 4128451 DOI: 10.1016/0024-3205(73)90374-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Robson RM, Zeece MG. Comparative studies of -actinin from porcine cardiac and skeletal muscle. BIOCHIMICA ET BIOPHYSICA ACTA 1973; 295:208-24. [PMID: 4265362 DOI: 10.1016/0005-2795(73)90088-3] [Citation(s) in RCA: 47] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Guth L, Samaha FJ. Erroneous interpretations which may result from application of the "myofibrillar ATPase" histochemical procedure to developing muscle. Exp Neurol 1972; 34:465-75. [PMID: 4260028 DOI: 10.1016/0014-4886(72)90042-8] [Citation(s) in RCA: 75] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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