Zoll 2002 J Physiol

From Bioblast
Publications in the MiPMap
Zoll J, Sanchez H, N'Guessan B, Ribera F, Lampert E, Bigard X, Surrurier B, Fortin D, Geny B, Veksler V, Ventura-Clapier R, Mettauer B (2002) Physical activity changes the regulation of mitochondrial respiration in human skeletal muscle. J Physiol 543:191-200.

» PMID: 12181291 Open Access

Zoll J, Sanchez H, N'Guessan B, Ribera F, Lampert E, Bigard X, Surrurier B, Fortin D, Geny B, Veksler V, Ventura-Clapier R, Mettauer B (2002) J Physiol

Abstract: This study explores the importance of creatine kinase (CK) in the regulation of muscle mitochondrial respiration in human subjects depending on their level of physical activity. Volunteers were classified as sedentary, active or athletic according to the total activity index as determined by the Baecke questionnaire in combination with maximal oxygen uptake values (peak V(O2), expressed in ml min(-1) kg(-1)). All volunteers underwent a cyclo-ergometric incremental exercise test to estimate their peak V(O2) and V(O2) at the ventilatory threshold (VT). Muscle biopsy samples were taken from the vastus lateralis and mitochondrial respiration was evaluated in an oxygraph cell on saponin permeabilised muscle fibres in the absence (V(0)) or in the presence (V(max)) of saturating [ADP]. While V(0) was similar, V(max) differed among groups (sedentary, 3.7 +/- 0.3, active, 5.9 +/- 0.9 and athletic, 7.9 +/- 0.5 micromol O2 min(-1) (g dry weight)(-1)). V(max) was correlated with peak V(O2) (P < 0.01, r = 0.63) and with V(T) (P < 0.01, r = 0.57). There was a significantly greater degree of coupling between oxidation and phosphorylation (V(max)/V(0)) in the athletic individuals. The mitochondrial K(m) for ADP was significantly higher in athletic subjects (P < 0.01). Mitochondrial CK (mi-CK) activation by addition of creatine induced a marked decrease in K(m) in athletic individuals only, indicative of an efficient coupling of mi-CK to ADP rephosphorylation in the athletic subjects only. It is suggested that increasing aerobic performance requires an enhancement of both muscle oxidative capacity and mechanisms of respiratory control, attesting to the importance of temporal co-ordination of energy fluxes by CK for higher efficacy.

Bioblast editor: Gnaiger E

MitoEAGLE VO2max/BME database

  • Human vastus lateralis
  • 2 females & 11 males
  • 40.5 years
  • Athletic; involved in a training programme with endurance sessions on a regular basis
  • H = 1.74 m
  • M = 68.2 kg
  • BME = 0.11
  • BMI = 22.5 kg·m-2
  • VO2max/M = 53.9 mL·min-1·kg-1 (= VO2peak/M/0.93)
  • Permeabilized muscle fibres; 22 °C; GMP; md; conversions: Gnaiger 2009 Int J Biochem Cell Biol
  • JO2,P(NS) = 145.8 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(GM) = 106.4 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(NS) = JO2,P(GM)/0.73
  • Fiber wet mass to dry mass ratio = 3.5 (N'Guessan 2004 Mol Cell Biochem)

  • Human vastus lateralis
  • 2 females & 6 males
  • 45.6 years
  • Active; performed physical activity regularly for professional or recreational purposes, but followed no regular training programme
  • H = 1.73 m
  • M = 78.1 kg
  • BME = 0.29
  • BMI = 26.1 kg·m-2
  • VO2max/M = 39.0 mL·min-1·kg-1 (= VO2peak/M/0.93)
  • Permeabilized muscle fibres; 22 °C; GMP; md; conversions: Gnaiger 2009 Int J Biochem Cell Biol
  • JO2,P(NS) = 108.9 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(GM) = 79.5 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(NS) = JO2,P(GM)/0.73
  • Fiber wet mass to dry mass ratio = 3.5 (N'Guessan 2004 Mol Cell Biochem)

  • Human vastus lateralis
  • 8 males
  • 46.7 years
  • Sedentary, no regular professinal or recreational physical activity
  • H = 1.78 m
  • M = 84.4 kg
  • BME = 0.28
  • BMI = 26.6 kg·m-2
  • VO2max/M = 30.6 mL·min-1·kg-1 (= VO2peak/M/0.93)
  • Permeabilized muscle fibres; 22 °C; GMP; md; conversions: Gnaiger 2009 Int J Biochem Cell Biol
  • JO2,P(NS) = 68.3 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(GM) = 49.8 µmol·s-1·kg-1 wet muscle mass (37 °C)
  • JO2,P(NS) = JO2,P(GM)/0.73
  • Fiber wet mass to dry mass ratio = 3.5 (N'Guessan 2004 Mol Cell Biochem)

References: BME and VO2max

» VO2max
 Reference
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Boushel 2007 DiabetologiaBoushel RC, Gnaiger E, Schjerling P, Skovbro M, Kraunsoee R, Dela F (2007) Patients with Type 2 diabetes have normal mitochondrial function in skeletal muscle. Diabetologia 50:790-6.
Chambers 2020 J Appl Physiol (1985)Chambers TL, Burnett TR, Raue U, Lee GA, Finch WH, Graham BM, Trappe TA, Trappe S (2020) Skeletal muscle size, function, and adiposity with lifelong aerobic exercise. J Appl Physiol (1985) 128:368–78.
Daussin 2008 Am J Physiol Regul Integr Comp PhysiolDaussin FN, Zoll J, Dufour SP, Ponsot E, Lonsdorfer-Wolf E, Doutreleau S, Mettauer B, Piquard F, Geny B, Richard R (2008) Effect of interval versus continuous training on cardiorespiratory and mitochondrial functions: relationship to aerobic performance improvements in sedentary subjects. Am J Physiol Regul Integr Comp Physiol 295:R264-72.
Garnier 2005 FASEB JGarnier A, Fortin D, Zoll J, N'Guessan B, Mettauer B, Lampert E, Veksler V, Ventura-Clapier R (2005) Coordinated changes in mitochondrial function and biogenesis in healthy and diseased human skeletal muscle. FASEB J 19:43-52.
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Gnaiger 2019 MiP2019
Erich Gnaiger
OXPHOS capacity in human muscle tissue and body mass excess – the MitoEAGLE mission towards an integrative database (Version 6; 2020-01-12).
Loe 2013 PLOS ONELoe H, Rognmo Ø, Saltin B, Wisløff U (2013) Aerobic capacity reference data in 3816 healthy men and women 20-90 years. PLOS ONE 8:e64319.
Mettauer 2001 J Am Coll CardiolMettauer B, Zoll J, Sanchez H, Lampert E, Ribera F, Veksler V, Bigard X, Mateo P, Epailly E, Lonsdorfer J, Ventura-Clapier R (2001) Oxidative capacity of skeletal muscle in heart failure patients versus sedentary or active control subjects. J Am Coll Cardiol 38:947-54.
Mogensen 2006 J PhysiolMogensen M, Bagger M, Pedersen PK, Fernström M, Sahlin K (2006) Cycling efficiency in humans is related to low UCP3 content and to type I fibres but not to mitochondrial efficiency. J Physiol 571:669-81.
N'Guessan 2004 Mol Cell BiochemN'Guessan B, Zoll J, Ribera F, Ponsot E, Lampert E, Ventura-Clapier R, Veksler V, Mettauer B (2004) Evaluation of quantitative and qualitative aspects of mitochondrial function in human skeletal and cardiac muscles. Mol Cell Biochem 256-257:267-80.
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Raboel 2009 Diabetes Obes MetabRaboel R, Hojberg PM, Almdal T, Boushel RC, Haugaard SB, Madsbad S, Dela F (2009) Improved glycaemic control decreases inner mitochondrial membrane leak in type 2 diabetes. Diabetes Obes Metab 11:355-60.
Rasmussen 2001 Am J Physiol Endocrinol MetabRasmussen UF, Rasmussen HN, Krustrup P, Quistorff B, Saltin B, Bangsbo J (2001) Aerobic metabolism of human quadriceps muscle: in vivo data parallel measurements on isolated mitochondria. Am J Physiol Endocrinol Metab 280:E301-7.
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Zoll 2002 J PhysiolZoll J, Sanchez H, N'Guessan B, Ribera F, Lampert E, Bigard X, Surrurier B, Fortin D, Geny B, Veksler V, Ventura-Clapier R, Mettauer B (2002) Physical activity changes the regulation of mitochondrial respiration in human skeletal muscle. J Physiol 543:191-200.

MitoPedia: BME and mitObesity

» Body mass excess and mitObesity | BME and mitObesity news | Summary |

TermAbbreviationDescription
BME cutoff pointsBME cutoffObesity is defined as a disease associated with an excess of body fat with respect to a healthy reference condition. Cutoff points for body mass excess, BME cutoff points, define the critical values for underweight (-0.1 and -0.2), overweight (0.2), and various degrees of obesity (0.4, 0.6, 0.8, and above). BME cutoffs are calibrated by crossover-points of BME with established BMI cutoffs.
Body fat excessBFEIn the healthy reference population (HRP), there is zero body fat excess, BFE, and the fraction of excess body fat in the HRP is expressed - by definition - relative to the reference body mass, M°, at any given height. Importantly, body fat excess, BFE, and body mass excess, BME, are linearly related, which is not the case for the body mass index, BMI.
Body massm [kg]; M [kg·x-1]The body mass M is the mass (kilogram [kg]) of an individual (object) [x] and is expressed in units [kg/x]. Whereas the body weight changes as a function of gravitational force (you are weightless at zero gravity; your floating weight in water is different from your weight in air), your mass is independent of gravitational force, and it is the same in air and water.
Body mass excessBMEThe body mass excess, BME, is an index of obesity and as such BME is a lifestyle metric. The BME is a measure of the extent to which your actual body mass, M [kg/x], deviates from M° [kg/x], which is the reference body mass [kg] per individual [x] without excess body fat in the healthy reference population, HRP. A balanced BME is BME° = 0.0 with a band width of -0.1 towards underweight and +0.2 towards overweight. The BME is linearly related to the body fat excess.
Body mass indexBMIThe body mass index, BMI, is the ratio of body mass to height squared (BMI=M·H-2), recommended by the WHO as a general indicator of underweight (BMI<18.5 kg·m-2), overweight (BMI>25 kg·m-2) and obesity (BMI>30 kg·m-2). Keys et al (1972; see 2014) emphasized that 'the prime criterion must be the relative independence of the index from height'. It is exactly the dependence of the BMI on height - from children to adults, women to men, Caucasians to Asians -, which requires adjustments of BMI-cutoff points. This deficiency is resolved by the body mass excess relative to the healthy reference population.
ComorbidityComorbidities are common in obesogenic lifestyle-induced early aging. These are preventable, non-communicable diseases with strong associations to obesity. In many studies, cause and effect in the sequence of onset of comorbidities remain elusive. Chronic degenerative diseases are commonly obesity-induced. The search for the link between obesity and the etiology of diverse preventable diseases lead to the hypothesis, that mitochondrial dysfunction is the common mechanism, summarized in the term 'mitObesity'.
Healthy reference populationHRPA healthy reference population, HRP, establishes the baseline for the relation between body mass and height in healthy people of zero underweight or overweight, providing a reference for evaluation of deviations towards underweight or overweight and obesity. The WHO Child Growth Standards (WHO-CGS) on height and body mass refer to healthy girls and boys from Brazil, Ghana, India, Norway, Oman and the USA. The Committee on Biological Handbooks compiled data on height and body mass of healthy males from infancy to old age (USA), published before emergence of the fast-food and soft-drink epidemic. Four allometric phases are distinguished with distinct allometric exponents. At heights above 1.26 m/x the allometric exponent is 2.9, equal in women and men, and significantly different from the exponent of 2.0 implicated in the body mass index, BMI [kg/m2].
Height of humansh [m]; H [m·x-1]The height of humans, h, is given in SI units in meters [m]. Humans are countable objects, and the symbol and unit of the number of objects is N [x]. The average height of N objects is, H = h/N [m/x], where h is the heights of all N objects measured on top of each other. Therefore, the height per human has the unit [m·x-1] (compare body mass [kg·x-1]). Without further identifyer, H is considered as the standing height of a human, measured without shoes, hair ornaments and heavy outer garments.
Lengthl [m]Length l is an SI base quantity with SI base unit meter m. Quantities derived from length are area A [m2] and volume V [m3]. Length is an extensive quantity, increasing additively with the number of objects. The term 'height' h is used for length in cases of vertical position (see height of humans). Length of height per object, LUX [m·x-1] is length per unit-entity UX, in contrast to lentgth of a system, which may contain one or many entities, such as the length of a pipeline assembled from a number NX of individual pipes. Length is a quantity linked to direct sensory, practical experience, as reflected in terms related to length: long/short (height: tall/small). Terms such as 'long/short distance' are then used by analogy in the context of the more abstract quantity time (long/short duration).
MitObesity drugsBioactive mitObesity compounds are drugs and nutraceuticals with more or less reproducible beneficial effects in the treatment of diverse preventable degenerative diseases implicated in comorbidities linked to obesity, characterized by common mechanisms of action targeting mitochondria.
ObesityObesity is a disease resulting from excessive accumulation of body fat. In common obesity (non-syndromic obesity) excessive body fat is due to an obesogenic lifestyle with lack of physical exercise ('couch') and caloric surplus of food consumption ('potato'), causing several comorbidities which are characterized as preventable non-communicable diseases. Persistent body fat excess associated with deficits of physical activity induces a weight-lifting effect on increasing muscle mass with decreasing mitochondrial capacity. Body fat excess, therefore, correlates with body mass excess up to a critical stage of obesogenic lifestyle-induced sarcopenia, when loss of muscle mass results in further deterioration of physical performance particularly at older age.
VO2maxVO2max; VO2max/MMaximum oxygen consumption, VO2max, is and index of cardiorespiratory fitness, measured by spiroergometry on human and animal organisms capable of controlled physical exercise performance on a treadmill or cycle ergometer. VO2max is the maximum respiration of an organism, expressed as the volume of O2 at STPD consumed per unit of time per individual object [mL.min-1.x-1]. If normalized per body mass of the individual object, M [kg.x-1], mass specific maximum oxygen consumption, VO2max/M, is expressed in units [mL.min-1.kg-1].


Labels: MiParea: Respiration, Exercise physiology;nutrition;life style 


Organism: Human  Tissue;cell: Skeletal muscle  Preparation: Permeabilized tissue 


Coupling state: LEAK, OXPHOS  Pathway:


MitoEAGLE BME, BMI, VO2max, BME 

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