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Acta Physiologica Hungarica

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https://www.readbyqxmd.com/read/26690038/low-dietary-zinc-intake-attenuates-the-efficacy-of-2-4-thiazolidinedione-on-reducing-hyperglycemia-in-db-db-mice-short-communication
#1
Y-M Song, H-Y Hsu, M-D Chen
Zinc (Zn) has the potential of regulating the action of thiazolidinedione (TZD), an anti-diabetic drug. Since some diabetic patients cannot achieve optimal glycemic control when receiving TZD, we investigated if Zn deficiency affects TZD's efficacy in glucose metabolism. Diabetic mice were fed diets containing 3 or 30 mg/kg Zn for 6 weeks. Thereafter, all mice were oral gavaged with 2,4-thiazolidinedione. Our results showed that blood glucose values at fasting and during the glucose tolerance test were significantly higher in low-Zn mice than those of adequate-Zn mice...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690037/ace-and-actn3-genes-polymorphisms-among-female-hungarian-athletes-in-the-aspect-of-sport-disciplines
#2
E Bosnyák, E Trájer, A Udvardy, Z Komka, A Protzner, T Kováts, I Györe, M Tóth, J Pucsok, M Szmodis
The aim of the study was to determine the importance of two sport-associated gene polymorphisms, alpha-actinin-3 R577X (ACTN3) and angiotensin-converting enzyme I/D (ACE), among Hungarian athletes in different sports. The examination was carried out only on women (n = 100). Sport-specific groups were formed in order to guarantee the most homogeneous clusters. Human genomic DNA was isolated from blood, and genotyping was performed by polymerase chain reaction. To measure the differences between the participating groups, Chi-squared test was performed using Statistica 9...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690036/effect-of-6-weeks-of-whole-body-vibration-training-on-total-and-segmental-body-composition-in-healthy-young-adults
#3
J A Rubio-Arias, P Esteban, F Martínez, D J Ramos-Campo, S Mendizábal, D Berdejo-Del-Fresno, J F Jiménez-Díaz
The applied use of new technologies to enhance performance and improve health has been increasing. Initially, whole body vibration training (WBVT) was used as system to improve elite athlete performance. However, this is also used to improve body composition, especially there is a great attention on the effectiveness of WBVT to reduce fat and body weight, with a potential increase in muscle tissue. The aim of this study was to investigate the effects of a 6-week vibration-training program on total and segmental body composition in a group of physically healthy participants...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690035/the-acute-muscular-effects-of-cycling-with-and-without-different-degrees-of-blood-flow-restriction
#4
D Kim, J P Loenneke, R S Thiebaud, T Abe, M G Bemben
The aim was to compare the acute effects of work matched high intensity (75% peak aerobic capacity) aerobic exercise to low intensity (40% peak aerobic capacity) aerobic exercise with different degrees of blood flow restriction (BFR) [40% estimated arterial occlusion (40 BFR) and 60% estimated arterial occlusion (60 BFR)] on variables previously hypothesized to be important for muscle adaptation. There were no meaningful changes in torque. Anterior thigh muscle thickness was increased from baseline with high intensity cycling and 40 BFR (~2 mm increase, p ≤ 0...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690034/polar-ownindex-is-not-a-reliable-indicator-of-aerobic-training-status
#5
F Köteles, Z Dömötör, T Berkes, R Szemerszky
Polar watches with heart rate monitoring function have become popular among recreational and professional athletes. In addition to monitoring functions, they calculate a specific index called OwnIndex which is claimed to measure aerobic training status. The current research attempted to shed light on the factors determining the OwnIndex. In Study 1, OwnIndex calculated by the RS-400 Polar watch was estimated using anthropometric (gender, age, height, weight), cardiovascular (resting HR, RMSSD), and exercise-related (maximal oxygen uptake, self-reported physical activity) data of 45 young adults...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690033/the-effects-of-intermittent-hypoxia-training-on-hematological-and-aerobic-performance-in-triathletes
#6
D J Ramos-Campo, F Martínez-Sánchez, P Esteban-García, J A Rubio-Arias, V J Clemente-Suarez, J F Jiménez-Díaz
The aim of the present research was to analyze modifications on hematological and aerobic performance parameters after a 7-week intermittent hypoxia training (IHT) program. Eighteen male trained triathletes were divided in two groups: an intermittent hypoxia training group (IHTG: n: 9; 26.0 ± 6.7 years; 173.3 ± 5.9 cm; 66.4 ± 5.9 kg; VO₂max: 59.5 ± 5.0 ml/kg/min) that conducted a normoxic training plus an IHT and a control group (CG: n: 9; 29.3 ± 6.8 years; 174.9 ± 4.6 cm; 59.7 ± 6.8 kg; VO₂max: 58...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690032/correlation-between-erythropoietin-serum-levels-and-erythrocyte-susceptibility-to-lipid-peroxidation-in-elderly-with-type-2-diabetes
#7
D Gradinaru, D Margina, M Ilie, C Borsa, C Ionescu, G I Prada
Erythropoietin (EPO), a key hormone involved in red blood cell formation has been recently acknowledged for its pleiotropic actions and protective role in ageing and various pathological conditions concurrent with oxidative stress, vascular diseases and metabolic abnormalities such as diabetes mellitus. The aim of the study was to evaluate the relationship between circulating erythropoietin levels and oxidative stress biomarkers, in elderly with type 2 diabetes (T2DM). The study was carried out in 67 subjects with T2DM (69 ± 5 years; n = 37) without anemia, and aged-matched controls (70 ± 6 years; n = 30)...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690031/the-effect-of-high-altitude-on-endothelial-and-vascular-dysfunction-markers-in-preeclamptic-patients
#8
S O Bashir, H Suekit, A O Elkarib, M A Dafaalla, M B Abd Elrouf, M D Morsy, M Eskandar
Placental hypoxia, a major component of the pathophysiology of preeclampsia, is associated with various maternal vascular and endothelial dysfunctions. The higher incidence of preeclampsia at high altitude remains incompletely explained. The aim of the present study was to investigate the effect of high altitude on some endothelial and vascular dysfunction markers in normal and preeclamptic pregnancies. Eighty pregnant women (Paras 2-4) were enrolled in this study, which included four groups (each n = 20): normal pregnancies at low altitude (NL), normal pregnancies at high altitude (NH), preeclamptic pregnancies at low altitude (PL), and preeclamptic pregnancies at high altitude (PH)...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690030/preventive-effects-of-garlic-allium-sativum-on-oxidative-stress-and-histopathology-of-cardiac-tissue-in-streptozotocin-induced-diabetic-rats
#9
R Naderi, G Mohaddes, M Mohammadi, A Alihemmati, R Badalzadeh, R Ghaznavi, R Ghyasi, Sh Mohammadi
Since some complications of diabetes mellitus may be caused or exacerbated by an oxidative stress, the protective effects of garlic (Allium sativum) were investigated in the blood and heart of streptozotocin-induced diabetic rats. Twenty-eight male Wistar rats were randomly divided into four groups: control, garlic, diabetic, and diabetic+garlic. Diabetes was induced by intraperitoneal (i.p.) injection of streptozotocin (50 mg/kg) in male rats. Rats were fed with raw fresh garlic homogenate (250 mg/kg) six days a week by gavage for a period of 6 weeks...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690029/lactation-protects-against-myocardial-ischemia-reperfusion-injury-in-rats
#10
S Shekarforoush, F Safari
Some researchers have reported that lactation is effective in reducing cardiovascular disease risk factors. The purpose of this study was to investigate whether lactation may improve intrinsic tolerance against ischemia reperfusion (IR) injury. The rats were randomly divided into two groups (n = 8 in each group). In the lactation (Lact) group, the surgery was performed on postpartum day 21 (at the end of lactation period) and the results were compared with those of virgin female rats (control group). Cardiac IR injury was induced by means of left anterior descending coronary artery occlusion for 30 min followed by reperfusion for 120 min...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690028/comparative-animal-study-of-the-antinociceptive-efficacy-of-lamotrigine-and-gabapentin-for-the-management-of-pain
#11
A Z Szabo, I C Bocsan, S Suciu, A D Buzoianu
UNLABELLED: Pain relief using drugs with high efficacy provides significant improvement in the patients' lives. Drugs like lamotrigine (LTG) and gabapentin (GBP) have the ability to overcome the symptoms of neuropathic pain. AIM: The present study offers a comparative analysis of LTG and GBP efficacy in a rat model of nociceptive pain after single administration. METHOD: Sixty-three Wistar-Bratislava rats randomized into 7 groups were included: a control group treated with saline solution and 6 groups treated with different doses of LTG and GBP...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690027/noscapine-protects-oln-93-oligodendrocytes-from-ischemia-reperfusion-damage-calcium-and-nitric-oxide-involvement
#12
S Nadjafi, S-A Ebrahimi, N Rahbar-Roshandel
This study was carried out to evaluate the effects of noscapine, a benzylisoquinoline alkaloid from opium poppy, on oligodendrocyte during ischemia/reperfusion-induced excitotoxic injury. Changes in intracellular calcium levels due to chemical ischemia and nitric oxide (NO) production during ischemia/reperfusion were evaluated as the hallmarks of ischemia-derived excitotoxic event. OLN-93 cell line (a permanent immature rat oligodendrocyte) was used as a model of oligodendrocyte. 30- or 60-minute-oxygen-glucose deprivation/24 hours reperfusion were used to induce excitotoxicity...
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26690026/ign%C3%A3-c-f%C3%A3-l%C3%A3-p-semmelweis-pioneer-of-clinical-pathophysiology
#13
EDITORIAL
László Rosivall
No abstract text is available yet for this article.
December 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551749/menstrual-cycle-phase-effects-free-testosterone-responses-to-prolonged-aerobic-exercise
#14
COMPARATIVE STUDY
A R Lane, C B O'Leary, A C Hackney
Research has shown that total testosterone (tT) levels in women increase acutely during a prolonged bout of aerobic exercise. Few studies, however, have considered the impact of the menstrual cycle phase on this response or have looked at the biologically active free testosterone (fT) form responses. Therefore, this study examined the fT concentration response independently and as a percentage (fT%) of tT to prolonged aerobic exercise during phases of the menstrual cycle with low estrogen-progesterone (L-EP; i...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551748/effects-of-therapeutic-horse-riding-on-gait-cycle-parameters-and-some-aspects-of-behavior-of-children-with-autism
#15
RANDOMIZED CONTROLLED TRIAL
H Steiner, Zs Kertesz
We studied effects of therapeutic riding on the development of children with autism. Experiments in walking is appropriate for assessing the coordination of movement and for following the changes. We found that therapeutic riding should be considered as a new form of rehabilitation. Twenty-six pupils (12 boys and 14 girls) of a special needs school participated in therapeutic riding. We analyzed walking twice during a school-term: full body analyses each time before and after one-month therapy. The research included a non-riding control group...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551747/a-comparative-study-of-the-physical-development-and-motor-performance-of-mentally-non-handicapped-children-and-children-with-intellectual-and-development-disabilities
#16
E Szabó, N Erdei, Sz Bene
Several studies state that there might be a difference in the physical development and the motor performance of the mentally non-handicapped children and those with intellectual and development disabilities. The aim of our research was to compare the two groups from these aspects. The study included the assessment of the physical development and motor performance of altogether 225 primary school pupils (mentally non-handicapped and with intellectual and development disabilities) aged 8-11. The following indicators of physical development and build were examined: body height, body weight and body mass index (BMI), musculoskeletal plasticity index, biceps and triceps skinfold thickness...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551746/examination-of-the-interaction-of-different-lighting-conditions-and-chronic-mild-stress-in-animal-model
#17
COMPARATIVE STUDY
A Muller, N Gal, J Betlehem, N Fuller, P Acs, G L Kovacs, K Fusz, R Jozsa, A Olah
We examined the effects of different shift work schedules and chronic mild stress (CMS) on mood using animal model. The most common international shift work schedules in nursing were applied by three groups of Wistar-rats and a control group with normal light-dark cycle. One subgroup from each group was subjected to CMS. Levels of anxiety and emotional life were evaluated in light-dark box. Differences between the groups according to independent and dependent variables were examined with one- and two-way analysis of variance, with a significance level defined at p < 0...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551745/heat-stress-attenuates-skeletal-muscle-atrophy-of-extensor-digitorum-longus-in-streptozotocin-induced-diabetic-rats
#18
K Nonaka, S Une, J Akiyama
To investigate whether heat stress attenuates skeletal muscle atrophy of the extensor digitorum longus (EDL) muscle in streptozotocin-induced diabetic rats, 12-week-old male Wistar rats were randomly assigned to four groups (n = 6 per group): control (Con), heat stress (HS), diabetes mellitus (DM), and diabetes mellitus/heat stress (DM + HS). Diabetes was induced by intraperitoneal injection of streptozotocin (50 mg/kg). Heat stress was induced in the HS and DM + HS groups by immersion of the lower half of the body in hot water at 42 °C for 30 min; it was initiated 7 days after injection of streptozotocin, and was performed once a day, five times a week for 3 weeks...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551744/plasma-volume-after-heat-acclimation-variations-due-to-season-fitness-and-methods-of-measurement
#19
COMPARATIVE STUDY
J A Loeppky
PURPOSE: The reported magnitude of plasma volume increase (Δ%PV) following heat acclimation (HA) varies widely. Variations may result from differences in measurement techniques, season and subjects' fitness. This report compares direct and indirect measurements of Δ%PV after 10 days of HA from studies in winter (WIN, n = 8) and summer (SUM, n = 10) in men, age 21-43 yr, at two fitness levels (VO(2)max: 35 and 51 ml/min/kg). Direct measurements were made before and after HA (cycling at 30% of VO(2)max at 50 °C, for 100 min/day) by carbon monoxide (CO) rebreathing and compared with indirect estimates from changes in hematocrit, hemoglobin and plasma protein concentration...
September 2015: Acta Physiologica Hungarica
https://www.readbyqxmd.com/read/26551743/oscillation-of-tissue-oxygen-index-in-non-exercising-muscle-during-exercise
#20
COMPARATIVE STUDY
T Yano, R Afroundeh, K Shirakawa, C-S Lian, K Shibata, Z Xiao, T Yunoki
The purpose of the present study was to examine how oscillation of tissue oxygen index (TOI) in non-exercising exercise is affected during high-intensity and low-intensity exercises. Three exercises were performed with exercise intensities of 30% and 70% peak oxygen uptake (Vo(2)peak) for 12 min and with exercise intensity of 70% Vo(2)peak for 30 s. TOI in non-exercising muscle (biceps brachii) during the exercises for 12 min was determined by nearinfrared spectroscopy. TOI in the non-exercising muscle during the exercises was analyzed by fast Fourier transform (FFT) to obtain power spectra density (PSD)...
September 2015: Acta Physiologica Hungarica
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