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Statements

Subject Item
n2:RIV%2F00216208%3A11140%2F14%3A10218652%21RIV15-MSM-11140___
rdf:type
skos:Concept n20:Vysledek
rdfs:seeAlso
http://www.hindawi.com/journals/ecam/2014/248768/
dcterms:description
Propolis is a natural product that honeybees collect from various plants. It is known for its beneficial pharmacological effects. The aim of our study was to evaluate the impact of propolis on human sperm motility, mitochondrial respiratory activity and membrane potential. Semen samples from 10 normozoospermic donors were processed according to the World Health Organization criteria. Propolis effects on the sperm motility and mitochondrial activity parameters were tested in the fresh ejaculate and purified spermatozoa. Propolis preserved progressive motility of spermatozoa in the native semen samples. Oxygen consumption determined in purified permeabilized spermatozoa by high-resolution respirometry in the presence of adenosine diphosphate and substrates of the Complex I and Complex II (state OXPHOS I+II) was significantly increased in the propolis-treated samples. Propolis also increased uncoupled respiration in the presence of rotenone (state ETS II) and Complex IV activity, but it did not influence state LEAK induced by oligomycin. Mitochondrial membrane potential was not affected by propolis. This study demonstrates that propolis maintains sperm motility in the native ejaculates and increases activities of mitochondrial respiratory Complexes II and IV without affecting mitochondrial membrane potential. The data suggest that propolis improves the total mitochondrial respiratory efficiency in the human spermatozoa in vitro thereby having potential to improve sperm motility. Propolis is a natural product that honeybees collect from various plants. It is known for its beneficial pharmacological effects. The aim of our study was to evaluate the impact of propolis on human sperm motility, mitochondrial respiratory activity and membrane potential. Semen samples from 10 normozoospermic donors were processed according to the World Health Organization criteria. Propolis effects on the sperm motility and mitochondrial activity parameters were tested in the fresh ejaculate and purified spermatozoa. Propolis preserved progressive motility of spermatozoa in the native semen samples. Oxygen consumption determined in purified permeabilized spermatozoa by high-resolution respirometry in the presence of adenosine diphosphate and substrates of the Complex I and Complex II (state OXPHOS I+II) was significantly increased in the propolis-treated samples. Propolis also increased uncoupled respiration in the presence of rotenone (state ETS II) and Complex IV activity, but it did not influence state LEAK induced by oligomycin. Mitochondrial membrane potential was not affected by propolis. This study demonstrates that propolis maintains sperm motility in the native ejaculates and increases activities of mitochondrial respiratory Complexes II and IV without affecting mitochondrial membrane potential. The data suggest that propolis improves the total mitochondrial respiratory efficiency in the human spermatozoa in vitro thereby having potential to improve sperm motility.
dcterms:title
Effects of the Czech Propolis on Sperm Mitochondrial Function Effects of the Czech Propolis on Sperm Mitochondrial Function
skos:prefLabel
Effects of the Czech Propolis on Sperm Mitochondrial Function Effects of the Czech Propolis on Sperm Mitochondrial Function
skos:notation
RIV/00216208:11140/14:10218652!RIV15-MSM-11140___
n4:aktivita
n13:S n13:P n13:I
n4:aktivity
I, P(ED2.1.00/03.0076), S
n4:cisloPeriodika
2014
n4:dodaniDat
n17:2015
n4:domaciTvurceVysledku
n5:8264600 n5:1490737 n5:5491894 n5:5623790 n5:3470113 n5:3881970 n5:5550513
n4:druhVysledku
n9:J
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n11:predkladatel
n4:idSjednocenehoVysledku
13783
n4:idVysledku
RIV/00216208:11140/14:10218652
n4:jazykVysledku
n7:eng
n4:klicovaSlova
mitochondria; high resolution respirometry; propolis; human sperm
n4:klicoveSlovo
n6:propolis n6:mitochondria n6:high%20resolution%20respirometry n6:human%20sperm
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[362F2D4B53A0]
n4:nazevZdroje
Evidence-based Complementary and Alternative Medicine
n4:obor
n15:FP
n4:pocetDomacichTvurcuVysledku
7
n4:pocetTvurcuVysledku
9
n4:projekt
n8:ED2.1.00%2F03.0076
n4:rokUplatneniVysledku
n17:2014
n4:svazekPeriodika
Neuveden
n4:tvurceVysledku
Čedíková, Miroslava Králíčková, Milena Tůma, Zdeněk Stachová, Lenka Grundmanová, Martina Miklíková, Michaela Kuncová, Jitka Zech, Nicolas Větvička, Václav
n4:wos
000338850900001
s:issn
1741-427X
s:numberOfPages
10
n14:doi
10.1155/2014/248768
n18:organizacniJednotka
11140