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Wyszukujesz frazę "sperm motility" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Sperm mitochondrial dysfunction and oxidative stress as possible reasons for isolated asthenozoospermia
    Autorzy:
    Nowicka-Bauer, K.
    Lepczynski, A.
    Ozgo, M.
    Kamieniczna, M.
    Fraczek, M.
    Stanski, L.
    Olszewska, M.
    Malcher, A.
    Skrzypczak, W.
    Kurpisz, M.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/70952.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    sperm motility
    mitochondrial dysfunction
    asthenozoospermia
    oxidative stress
    reactive oxygen species
    proteomics
    patient
    Źródło:
    Journal of Physiology and Pharmacology; 2018, 69, 3
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low frequency electromagnetic waves increase human sperm motility – A pilot study revealing the potent effect of 43 kHz radiation
    Autorzy:
    Wdowiak, Artur
    Mazurek, Paweł A.
    Wdowiak, Anita
    Bojar, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/2162024.pdf
    Data publikacji:
    2018-12-20
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    electromagnetic radiation
    semen motility
    sperm hyperactivation
    sperm kinetic variables
    metal detecting
    infertility
    Opis:
    Objectives Abnormalities in the timing and course of spermatozoa capacitation and hyperactivation underlie common pathologies related to male infertility. Recent data shows that low frequency electromagnetic waves may influence cell membrane potential and permeability. It is therefore possible that low frequency electromagnetic waves could affect the maturation and motility processes of spermatozoa. The 43-kHz wave generator was used for modeling the impact of environmental exposure to low frequency electromagnetic radiation on human sperm. Material and Methods Sperm samples were gathered from 103 fertile, healthy men aged 25–30 years old and performed computer-assisted sperm analysis. After initial examination, each participant’s semen sample was divided into 2 aliquots (control and experimental) and placed in separate automated incubators. The samples constituting the experimental group were placed into the exposure system that emitted 43-kHz electromagnetic waves. Sperm motility was assessed at 3 h, 12 h and 24 h. Results Exposure to a 43-kHz radio frequency increased the percentage of sperm in progressive motility by up to 5.8% and the velocity of said sperm by up to 2 μm/s. Moreover, the total number of hyperactivated spermatozoa was significantly increased in the semen exposed to the electromagnetic signal. Conclusions In vivo environmental exposure to 43-kHz waves may promote the development of infertility related to premature capacitation outside of the vaginal tract. Exposing semen to this particular frequency may also boost the capacitation and hyperactivation of spermatozoa in vitro, prior to conducting assisted reproductive therapies.Int J Occup Med Environ Health 2018;31(6):723–739
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2018, 31, 6; 723-739
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Method agreement between three different chambers for comparative bull semen computer assisted sperm motility analysis
    Autorzy:
    Basioura, A.
    Tsousis, G.
    Boscos, C.
    Lymberopoulos, A.
    Tsakmakidis, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087300.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analysis chamber
    bull semen
    computer assisted sperm analysis
    motility
    Źródło:
    Polish Journal of Veterinary Sciences; 2020, 23, 3; 325-331
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Is concentration and motility of male gametes related to DNA damage measured by comet assay?
    Autorzy:
    Dobrzynska, M M
    Tyrkiel, E.J.
    Derezinska, E.
    Ludwicki, J.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/50202.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    spermatozoon
    male
    germ cell
    DNA damage
    motility
    comet assay
    sperm quality
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2010, 17, 1; 73-77
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the effect of using mobile phones on male fertility
    Autorzy:
    Wdowiak, A
    Wdowiak, L.
    Wiktor, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/52101.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human health
    sperm cell
    structure
    electromagnetic wave
    male fertility
    male
    mobile telecommunication zob.mobile telephony system
    mobile telephony system
    living organism
    mobile phone
    motility
    Opis:
    The problem of the lack of offspring is a phenomenon concerning approximately 15% of married couples in Poland. Infertility is defi ned as inability to conceive after a year of sexual intercourses without the use of contraceptives. In half of the cases the causative factor is the male. Males are exposed to the effect of various environmental factors, which may decrease their reproductive capabilities. A decrease in male fertility is a phenomenon which occurs within years, which may suggest that one of the reasons for the decrease in semen parameters is the effect of the development of techniques in the surrounding environment. A hazardous effect on male fertility may be manifested by a decrease in the amount of sperm cells, disorders in their mobility, as well as structure. The causative agents may be chemical substances, ionizing radiation, stress, as well as electromagnetic waves. The objective of the study was the determination of the effect of the usage of cellular phones on the fertility of males subjected to marital infertility therapy. The following groups were selected from among 304 males covered by the study: Group A: 99 patients who did not use mobile phones, Group B: 157 males who have used GSM equipment sporadically for the period of 1-2 years, and Group C: 48 people who have been regularly using mobile phone for more than 2 years. In the analysis of the effect of GSM equipment on the semen it was noted that an increase in the percentage of sperm cells of abnormal morphology is associated with the duration of exposure to the waves emitted by the GSM phone. It was also confi rmed that a decrease in the percentage of sperm cells in vital progressing motility in the semen is correlated with the frequency of using mobile phones.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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