LOGO www.themegallery.com О.М. Veselova, I.V. Оgneva, I.M. Larina THE INFLUENCE OF THE EXTENDED GRAVITY DISCHARGE ON CELLULAR RESPIRATION IN RATS POSTURAL.

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LOGO О.М. Veselova, I.V. Оgneva, I.M. Larina THE INFLUENCE OF THE EXTENDED GRAVITY DISCHARGE ON CELLULAR RESPIRATION IN RATS POSTURAL MUSCULAR FIBRES Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Moscow,

LOGO The link to the Conference topic

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Reasons for the decrease of contractile capability in postural muscles: Degradation of skeletal proteins Increase of calcium ions concentration Activation of the calcium-depending proteases – calpaines Atrophy

LOGO Respiratory chain picture + Krebs cycle (justification of succinate choice)

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES

LOGO Aim of the study: The decrease of the contractile capabilities in postural muscles contradicting to the long space transportations and decreasing the speed of the rehabilitation and adaptation in traumatologic and neurologic patients. Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES

LOGO 28 males rat Wistar g weighted. raising+ succinum Control Control +succinum Control Control raising raising Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Cohort 1 Cohort 2 Cohort 3Cohort 4 Standard food and water ad libitum Drug preparation «succinum-antitox» per os (50mg succinic acid per 1kg of animal weight)

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES The following respiratory parameters were appreciated: 1. Vendo– the velocity of the oxygen uptake on endogenous substrates ; 2. Vexo – the velocity on exogenous substrates ; 3. Vadp – maximal respiratory speed. The measurement of the oxygen concentration was performed by Clark electrode and by oxymeter YSI Model 53 Oxygen Monitor at temperature 22 С. The oxygen solubility in 1 ml incubation medium were established as 460 ng-at (Seppet E.K. et al., 2004). The velocity of the oxygen uptake was appreciated by Saks polarography (Saks V.A. et al., 1998). METHODS:

LOGO Fibres of muscles: m. Soleus, m. Gastrocnemius caput mediale m. Tibialis anterior MATERIAL FOR THE STUDY

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Summary Of Results

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES * * ** * * * * Параметры клеточного дыхания сканированных мышечных волокон на эндогенных субстратах постуральных мышц It is parametres of cellular breath сканированных the muscular Fibres on эндогенных substrata постуральных muscles NG-AT O/s,mg

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES NG-AT O/s,mg Параметры клеточного дыхания сканированных мышечных волокон на экзогенных субстратах постуральных мышц крыс It is parametres of cellular breath сканированных the muscular Fibres on э экзогенных substrata постуральных muscles * ** * * *

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES NG-AT O/s,mg * ** *

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Respiratory control NG-AT O/s,mg * *

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Vendo, Vexo, V АDP Vendo, Vexo, V АDP Vendo Vendo Vendo, Vexo, V АDP V АDP Vendo, Vexo, V АDP Vendo, Vexo, V АDP Vendo, Vexo, V АDP V АDP ___ Vendo, Vexo Vendo, Vexo Influence of gravity discharge Influence of succinate supplementation Influence of discharge with underlining of the succinate supplementation Musculus Soleus Musculus Gastrocnemius Musculus Tibialis anterior Fig. 4 The scheme of the changing of cellular respiration parameters under the different influences

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES Summaries: The decrease ЭМГ-активности during the gravity discharge, характерное для камбаловидной и икроножной мышц, приводит к переходу на гликолитический тип дыхания, что ведет к снижению скорости потребления кислорода волокнами. The decrease ЭМГ-активности during the gravity discharge, характерное для камбаловидной и икроножной мышц, приводит к переходу на гликолитический тип дыхания, что ведет к снижению скорости потребления кислорода волокнами. При повышенной ЭМГ-активности (передняя большеберцовая мышца) скорость дыхания остается на уровне контроля. При повышенной ЭМГ-активности (передняя большеберцовая мышца) скорость дыхания остается на уровне контроля. The decrease to EMG-ACTIVITY during the gravity discharge, characteristic for камбаловидной and икроножной muscles, leads to transition on гликолитический breath type that conducts to decrease in speed of consumption of oxygen by fibres. The decrease to EMG-ACTIVITY during the gravity discharge, characteristic for камбаловидной and икроножной muscles, leads to transition on гликолитический breath type that conducts to decrease in speed of consumption of oxygen by fibres. At the raised EMG-ACTIVITY (передняя большеберцовая a muscle) speed of breath remains at control level At the raised EMG-ACTIVITY (передняя большеберцовая a muscle) speed of breath remains at control level

LOGO Institute for Medical and Biological Problems SSC RF RUSSIAN ACADEMY OF SCIENCES ВЫВОДЫ: Добавление в рацион крыс сукцината приводит к снижению уровня окислительного фосфорилирования, по-видимому, вследствие шунтирования дыхательной цепи и перехода на сукцинатный путь с потерей одной из трех возможностей для сопряжения окисления- фосфорилирования. Добавление в рацион крыс сукцината приводит к снижению уровня окислительного фосфорилирования, по-видимому, вследствие шунтирования дыхательной цепи и перехода на сукцинатный путь с потерей одной из трех возможностей для сопряжения окисления- фосфорилирования. Гравитационная разгрузка на фоне применения сукцината не оказывает значимого эффекта, что свидетельствует о преимущественном значении избыточного количества субстратов в регуляции клеточного дыхания. Гравитационная разгрузка на фоне применения сукцината не оказывает значимого эффекта, что свидетельствует о преимущественном значении избыточного количества субстратов в регуляции клеточного дыхания. Addition in a diet of rats сукцината leads to decrease in level oxidising фосфорилирования, apparently, owing to shunting of a respiratory chain and transition on сукцинатный a way with loss of one of three possibilities for oxidation-fosforilirovanija interface. Addition in a diet of rats сукцината leads to decrease in level oxidising фосфорилирования, apparently, owing to shunting of a respiratory chain and transition on сукцинатный a way with loss of one of three possibilities for oxidation-fosforilirovanija interface. Gravitational unloading against application сукцината does not render significant effect that testifies to primary value of superfluous quantity of substrata in regulation of cellular breath. Gravitational unloading against application сукцината does not render significant effect that testifies to primary value of superfluous quantity of substrata in regulation of cellular breath.

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