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Wyświetlanie 1-15 z 20
Tytuł:
Hyperglycemia induced C2C12 myoblast cell cycle arrest and skeletal muscle atrophy by modulating sirtuins gene expression in rats
Autorzy:
Surinlert, P.
Thitiphatphuvanon, T.
Khimmaktong, W.
Pholpramool, C.
Tipbunjong, C.
Powiązania:
https://bibliotekanauki.pl/articles/2087134.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
diabetic mellitus
hyperglycemia
muscle atrophy
sirtuins
skeletal muscle
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 4; 563-572
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanisms underlying the regulation of motor unit contraction in the skeletal muscle
Autorzy:
Celichowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/69858.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
muscle fibre
motor unit contraction
motoneuron
regulation
tension regulation
skeletal muscle
Źródło:
Journal of Physiology and Pharmacology; 2000, 51, 1
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Excitation-contraction coupling in cardiac muscle revisited
Autorzy:
Lewartowski, B.
Powiązania:
https://bibliotekanauki.pl/articles/71004.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
cardiac muscle
calcium
sarcoplasmic reticulum
excitation-contraction coupling
cardiomyocyte
skeletal muscle
Źródło:
Journal of Physiology and Pharmacology; 2000, 51, 3
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Glutathione-S-transferase activity in mouse muscle during experital trichinellosis
Autorzy:
Derda, M.
Wandurska-Nowak, E.
Boczoń, K.
Powiązania:
https://bibliotekanauki.pl/articles/2147897.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
glutathione s-transferase
infection
muscle
mouse
Trichinella
mice
trichinellosis
host
skeletal muscle
Opis:
The role of glutathione-S-transferase (GST, EC 2.5.1.18) in biochemical host defence in experimental trichinellosis was evaluated. The activity of GST in mouse skeletal muscles was measured during the muscular phase of trichinellosis, starting from the 3rd week post infection (w.p.i.) to the 11th w.p.i. Activity was determined spectrophotometrically by monitoring the formation of thioether (S-2,4-dinitrophenylglutathione) from the reduced form of glutathione and 1-chloro-2,4-dinitrobenzene used as a substrate and as an example of xenobiotics. The changes in the activity of GST were as follows: an increase in activity starts in the 4th w.p.i., peaks (up to 310% of the normal value) in the 6th w.p.i., decreases in the 8th week and a final, weak rise was observed in week 11. The statistically significant changes in GST activity in this phase of experimental trichinellosis suggest that this enzyme participates in the biochemical defence of the host against Trichinella infection.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 2; 227-232
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poziom sprawności fizycznej a wybrane elementy składu ciała uczestników uniwersytetu III wieku
Activity level and selected body components of third-century university participants
Autorzy:
Nowosielska–Swadźba, Danuta
Zwolińska, Danuta
Kunicki, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1181216.pdf
Data publikacji:
2020
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Raciborzu
Tematy:
elderly
physical fitness
skeletal muscle mass (MS)
skeletal muscle
mass index (SMI)
sarcopenia
Opis:
Objective of the work: Assessment of physical fitness of participants of the University of the Third Age in Racibórz on the basis of selected Senior Fitness Test samples. Test person and the methods: 15 participants were recruited for the study, including 11 women and 4 men students of the University of the Third Age. Get the results of the service quality assessment using selected samples from the Fullerton test and proposed body features. The average age of surveyed users is 69 years, the youngest participant was 63 years, the oldest 79 years. Results: 1. Among the respondents, there were people with sarcopenia features. 2. There was no correlation between sarcopenia and physical fitness. 3. The lack of a relationship between MS (skeletal muscle mass) and SMI (skeletal muscle mass index) and endurance and strength of lower limbs may suggest that factors other than skeletal muscle mass may be associated with a decrease in physical fitness in the elderly.
Źródło:
Eunomia – Rozwój Zrównoważony – Sustainable Development; 2020, 1(98); 105-116
1897-2349
2657-5760
Pojawia się w:
Eunomia – Rozwój Zrównoważony – Sustainable Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphology of extensor digitorum longus of Wistar rats after remobilization by vibratory platform
Autorzy:
Camilo, Izabela Rodrigues
Wutzke, Maria Luiza Serradourada
Costa, Rose Meire
Bertolini, Gladson Ricardo Flor
Ribeiro, Lucinéia de Fátima Chasko
Powiązania:
https://bibliotekanauki.pl/articles/454965.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
immobilization
skeletal muscle
vibration
Opis:
Introduction. In exercise, vibrations are performed in order to produce rapid and short changes in muscle length. These changes are detected by sensory receptors, in response try to dampen the vibratory waves through a modulation of muscle stiffness. However, its effects on the morphology of muscle tissue are still not fully established, especially after long periods of immobilization. Aim. To compare the effects of the vibratory platform on the remobilization of the extensor digitorum longus (EDL) muscle of Wistar rats with free remobilization. Material and methods. 20 rats were divided into: CG (Control), IG (immobilized), IFG (immobilization and free remobilization), IPG (immobilization and remobilization with vibratory platform). The immobilization was performed on the pelvic limb for 15 days. The remobilization with vibratory platform was done for 10 minutes daily, for 2 weeks. The EDL was processed for histological analysis of cross-sections. Results. The area, larger diameter, smaller diameter and fiber density of the EDL muscle of GI presented significant alteration when opposed to CG, IFG and IPG. The density of nuclei of the EDL muscle of IG presented a significant increase when opposed to the others, and IPG also presented a significant increase when compared to CG. Conclusion. The morphology and morphometry of the EDL muscle tissue were affected, and both free and vibration platform remobilization re-established the morphological aspects of the muscle fiber, without significant differences between the methods.
Źródło:
European Journal of Clinical and Experimental Medicine; 2019, 4; 295-300
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Glutathione-S-transferase activity in mouse muscle during experital trichinellosis
Autorzy:
Derda, M
Wandurska-Nowak, E.
Boczon, K.
Powiązania:
https://bibliotekanauki.pl/articles/837806.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
glutathione s-transferase
infection
muscle
mouse
Trichinella
mice
trichinellosis
host
skeletal muscle
Opis:
The role of glutathione-S-transferase (GST, EC 2.5.1.18) in biochemical host defence in experimental trichinellosis was evaluated. The activity of GST in mouse skeletal muscles was measured during the muscular phase of trichinellosis, starting from the 3rd week post infection (w.p.i.) to the 11th w.p.i. Activity was determined spectrophotometrically by monitoring the formation of thioether (S-2,4-dinitrophenylglutathione) from the reduced form of glutathione and 1-chloro-2,4-dinitrobenzene used as a substrate and as an example of xenobiotics. The changes in the activity of GST were as follows: an increase in activity starts in the 4th w.p.i., peaks (up to 310% of the normal value) in the 6th w.p.i., decreases in the 8th week and a final, weak rise was observed in week 11. The statistically significant changes in GST activity in this phase of experimental trichinellosis suggest that this enzyme participates in the biochemical defence of the host against Trichinella infection.
Źródło:
Annals of Parasitology; 2001, 47, 2
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Miozyny niekonwencjonalne i ich rola w mięśniach poprzecznie prążkowanych i komórkach miogennych
Unconventional myosins and their functions in striated muscles and myogenic cells
Autorzy:
Suszek, Małgorzata
Nowak, Jolanta
Rędowicz, Maria
Powiązania:
https://bibliotekanauki.pl/articles/1033935.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
cardiac muscle
myoblasts
myosins
myotubes
skeletal muscle
mioblasty
miotuby
miozyny
mięsień sercowy
mięsień szkieletowy
Opis:
Miozyny to oddziałujące z aktyną białka motoryczne, zaangażowane w skurcz mięśni, migrację komórek i transport wewnątrzkomórkowy. Występują one we wszystkich organizmach eukariotycznych, w tym w pierwotniakach i roślinach. Miozyny zbudowane są z jednego lub dwóch łańcuchów ciężkich oraz kilku łańcuchów lekkich (1-7 na łańcuch ciężki). Zidentyfikowano kilka tysięcy sekwencji łańcuchów ciężkich miozyn występujących w kilkuset gatunkach. W łańcuchach ciężkich miozyn wyróżniono główkę obejmującą domenę motoryczną (miejsce oddziaływania z aktyną i wiązania ATP) i szyjkę z motywami IQ (miejsce niekowalencyjnego wiązania się z łańcuchami lekkimi) oraz ogonek (zawierający domeny warunkujące specyficzne funkcje poszczególnych izoform miozyny). Na podstawie różnic w sekwencji aminokwasowej domeny motorycznej wyróżniono ponad trzydzieści rodzin w nadrodzinie miozyn, z czego 12, reprezentowanych przez 40 izoform, występuje u człowieka. Miozyny mięśniowe (tworzące rodzinę II) zwane są konwencjonalnymi, a pozostałe - niekonwencjonalnymi. Niniejszy artykuł opisuje nadrodzinę miozyn, a w szczególności budowę i funkcje tych miozyn niekonwencjonalnych, które są obecne w komórkach miogennych i mięśniach poprzecznie-prążkowanych.
Myosins, actin-dependent molecular motors, are engaged in muscle contraction, cell migration and intracellular transport. They are present in all eukaryotic organisms including protists and plants. They are composed of one or two heavy chains, and a number of light chains (1-7 per a heavy chain). Several thousands of myosin heavy chains have been sequenced in hundreds of species. The heavy chain is composed of a motor domain (with actin and ATP binding sites), a neck with IQ motifs (where light chains bind to) and a tail (with domains determining specific functions of a given myosin). A myosin superfamily is divided into over 30 families based on differences in the motor domain primary sequence. Twelve families represented by 40 isoforms are expressed in humans. Well known muscle myosins forming a family II are termed as conventional while all others are termed as unconventional. The article describes the myosin superfamily with emphasis on structure and function of unconventional myosins present in myogenic cells and striated muscles.
Źródło:
Kosmos; 2018, 67, 1; 57-74
0023-4249
Pojawia się w:
Kosmos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low-level laser therapy on the rat’s gastrocnemius morphometry submitted to a rheumatoid arthritis model
Autorzy:
Marin, Estéfani
Fuse, Jacqueline Lumy
Lopes, Larissa Pereira
Neves, Morgana
da Silva Leal, Taciane Stein
de Fátima Chasko Ribeiro, Lucinéia
Bertolini, Gladson Ricardo Flor
Powiązania:
https://bibliotekanauki.pl/articles/2038178.pdf
Data publikacji:
2021-06-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
photobiomodulation therapy
rheumatic diseases
skeletal muscle
Opis:
Introduction. Rheumatoid arthritis (RA) is a chronic, systemic, autoimmune inflammatory disease of unknown origin, mainly affecting synovial joints and related structures, including the adjacent musculature, generating great disability and reduction in quality of life. Aim. This study was designed to investigate the effect of low-level laser therapy (LLLT) on gastrocnemius of Wistar rats subjected to an experimental model of RA. Material and methods. Forty male Wistar rats were used, separated into: acute and chronic, being subdivided into Control Group (CG): without intervention, Lesion Group (LG): submitted to lesion, Laser Control Group (LCG): without lesion and with treatment, and Laser Lesion Group (LLG): submitted to lesion and LLLT. The treatment with LLLT occurred in four points of the right knee, wavelength of 660 nm, energy density of 5 J/cm², energy per point of 0.003 J. Morphometric analysis was performed using a 40x magnification photomicrograph and analyzed using the Image-Pro-Plus 6.0 program. Results. As result of the acute group there was a difference only for muscle mass, being higher in CG. For the chronic group there was significant difference for cross-sectional area, larger and smaller diameter, again with the control group obtaining higher values than the others, for the number of nuclei LG was lower than CG and LCG, but LLG was not different from any of them. Conclusion. It is concluded that treatment with LLLT was not very effective in reversing the harmful effects of RA on the gastrocnemius muscle.
Źródło:
European Journal of Clinical and Experimental Medicine; 2021, 2; 111-115
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neural impacts on the regeneration of skeletal muscles.
Autorzy:
Pintér, Sándor
Mendler, Luca
Dux, László
Powiązania:
https://bibliotekanauki.pl/articles/1043415.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
notexin-induced regeneration
skeletal muscle
denervation
reinnervation
Opis:
The regeneration of skeletal muscles is a suitable model to study the development and differentiation of contractile tissues. Neural effects are one of the key factors in the regulation of this process. In the present work, effects of different reinnervation protocols (suture or grafting) were studied upon the regenerative capacity of rat soleus muscles treated with the venom of the Australian tiger snake, notexin, which is known to induce complete necrosis and subsequent regeneration of muscles. Morphological and motor endplate analysis indicated that the regenerative capacity of denervated, and thereafter surgically reinnervated muscles remains impaired compared to that of normally innervated muscles, showing differences in the muscle size, fiber type pattern and motor endplate structure, even 35 days after the notexin injection. A lack or deficiency of secreted neural factors, deterioration of satellite cells and/or incomplete recovery of the sutured or grafted nerves may be the cause of these discrepancies in the regeneration process.
Źródło:
Acta Biochimica Polonica; 2003, 50, 4; 1229-1237
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tissue variation of mitochondrial oxidative phosphorylation efficiency in cold-acclimated ducklings
Autorzy:
Salin, Karine
Teulier, Loïc
Rey, Benjamin
Rouanet, Jean-Louis
Voituron, Yann
Duchamp, Claude
Roussel, Damien
Powiązania:
https://bibliotekanauki.pl/articles/1040299.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
liver
skeletal muscle
thermogenesis
mitochondrial oxidative phosphorylation
proton conductance
Opis:
We investigated the oxidative phosphorylation efficiency of liver and gastrocnemius muscle mitochondria in thermoneutral and cold-acclimated ducklings. The yield of oxidative phosphorylation was lower in muscle than in liver mitochondria, a difference that was associated with a higher proton conductance in muscle mitochondria. Cold exposure did not affect oxidative phosphorylation efficiency or basal proton leak in mitochondria. We conclude that the basal proton conductance of mitochondria may regulate mitochondrial oxidative phosphorylation efficiency, but is not an important contributor to thermogenic processes in cold-acclimated ducklings.
Źródło:
Acta Biochimica Polonica; 2010, 57, 4; 409-412
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Isolation and characterization of pigeon breast muscle cytosolic 5´-nucleotidase-I (cN-I)
Autorzy:
Tkacz-Stachowska, Kinga
Lechward, Katarzyna
Skladanowski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1041318.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
skeletal muscle
pigeon
enzyme purification
tissue distribution
5´-nucleotidase
Opis:
5´-Nucleotidase specific towards dCMP and AMP was isolated from avian breast muscle and characterized. It was found to be similar to a type-I form (cN-I) identified earlier as the AMP-selective 5´-nucleotidase responsible for adenosine formation during ATP breakdown in transfected COS-7 cells. Expression pattern of the cN-I gene in pigeon tissues indicated breast muscle as a rich source of the transcript. We purified the enzyme from this source using two-step chromatography and obtained an active homogenous preparation, free of ecto-5´-nucleotidase activity. The tissue content of the activity was calculated at 0.09 U/g wet weight. The specific activity of the enzyme preparation was 4.33 U/mg protein and it preferred dCMP and AMP to dAMP and IMP as a substrate. Its kinetic properties were very similar to those of the enzyme purified earlier from heart tissue. It was strongly activated by ADP. Inhibition by inorganic phosphate was more pronounced than in heart-isolated cN-I. Despite this difference, a similar physiological function is suggested for cN-I in both types of muscle.
Źródło:
Acta Biochimica Polonica; 2005, 52, 4; 789-796
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of methylprednisolone on the dynamics of oxygen uptake and peroxidase and superoxide dismutase activities in skeletal muscles of mice infected with Trichinella spiralis larvae
Autorzy:
Wandurska-Nowak, E.
Boczon, K.
Derda, M.
Powiązania:
https://bibliotekanauki.pl/articles/838559.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
superoxide dismutase
mouse
mice
larva
peroxidase
Trichinella spiralis
skeletal muscle
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of triiodothyronine on phospholipid metabolism in skeletal muscles of the rat
Autorzy:
Zendzian-Piotrowska, M.
Gorska, M.
Dworakowski, W.
Gorski, J.
Powiązania:
https://bibliotekanauki.pl/articles/69449.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
abdominal aorta
phospholipid metabolism
blood
triiodothyronine
thyroid hormone
rat
skeletal muscle
Źródło:
Journal of Physiology and Pharmacology; 2000, 51, 1
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dihydropyridine receptors functioning as voltage sensors in cardiac myocytes
Autorzy:
Mackiewicz, U.
Emanuel, K.
Lewartowski, B.
Powiązania:
https://bibliotekanauki.pl/articles/70889.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
dihydropyridine receptor
calcium
cardiac myocyte
guinea pig
voltage sensor
heart
skeletal muscle
Źródło:
Journal of Physiology and Pharmacology; 2000, 51, 4,2
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 20

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