Assessment of myoelectrical signal parameters in estrogen, progesterone, and human chorionic gonadotropin administered in nonpregnant rat myometrium after ovariectomy

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dc.authoridParlakpınar, Hakan/0000-0001-9497-3468
dc.authoridAcet, Ahmet/0000-0003-1131-1878
dc.authoridParlakpinar, Hakan/0000-0001-9497-3468
dc.authoridTağluk, M. Emin/0000-0001-7789-6376
dc.authorwosidelter, koray/A-5082-2018
dc.authorwosidParlakpınar, Hakan/T-6517-2018
dc.authorwosidAcet, Ahmet/AAB-3273-2021
dc.authorwosidParlakpinar, Hakan/V-6637-2019
dc.authorwosidTağluk, M. Emin/ABH-1005-2020
dc.contributor.authorCelik, Onder
dc.contributor.authorHascalik, Seyma
dc.contributor.authorTagluk, M. Emin
dc.contributor.authorElter, Koray
dc.contributor.authorParlakpinar, Hakan
dc.contributor.authorAcet, Ahmet
dc.date.accessioned2024-08-04T20:30:38Z
dc.date.available2024-08-04T20:30:38Z
dc.date.issued2008
dc.departmentİnönü Üniversitesien_US
dc.description2nd Congress of the Turkish-Society-for-Reproductive-Medicine -- SEP 07-10, 2006 -- Antalya, TURKEYen_US
dc.description.abstractObjective: To investigate the correlation of myoelectrical signals with spontaneous contractile events and physiological states in the nonisolated uterine horn of rats. Design: In vivo uterine myoelectrical activity recording study. Setting: Animal and pharmacology laboratory at Inonu University. Animal(s): Thirty-six female Wistar albino rats. Intervention(s): Six animals were not castrated and served as a sham-operated control group; the other 30 were ovariectomized (OVX) and put into groups: unbiased OVX subjects, estrogen (E)-biased OVX subjects, P-biased OVX subjects, E-plus-P-biased OVX subjects, and hCG-biased OVX subjects. An MP100 A-CE was used for data acquisition, and a personal computer was used for processing. Main Outcome Measure(s): Besides the temporal, spectral, and joint time-frequency (spectrotemporal) analysis, some quantitative measures such as standard deviation and mark to space power I ratios of myoelectrical signals were measured. Result(s): Progesterone, E, and hCG administration down-regulated the power and contraction frequency of the uterine electrical signal. The spectral concentrations that occurred around the 0.9, 0.35, and 0.7 Hz frequency ranges may be distinguishing characteristics for P, E, and hCG, respectively. Conclusion(S): Based on the obtained results, uterine contractions change with ovariectomy and administration of hormones. Progesterone, E, and hCG particularly prolong the quiescent periods of the uterus by reducing the frequency of uterine contractions as well as the power of the myoelectrical activity. Individual or combined use of R. or hCG might favor quiescence of the uterine muscle and the maintenance of pregnancy.en_US
dc.description.sponsorshipSoc Reproduct Meden_US
dc.identifier.doi10.1016/j.fertnstert.2007.02.020
dc.identifier.endpage198en_US
dc.identifier.issn0015-0282
dc.identifier.issue1en_US
dc.identifier.pmid17509589en_US
dc.identifier.scopus2-s2.0-38049141372en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage188en_US
dc.identifier.urihttps://doi.org/10.1016/j.fertnstert.2007.02.020
dc.identifier.urihttps://hdl.handle.net/11616/94423
dc.identifier.volume89en_US
dc.identifier.wosWOS:000252498700026en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Science Incen_US
dc.relation.ispartofFertility and Sterilityen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectmyoelectrical signalen_US
dc.subjectmyometriumen_US
dc.subjectestrogenen_US
dc.subjectprogesteroneen_US
dc.subjecthCGen_US
dc.subjectwaveleten_US
dc.titleAssessment of myoelectrical signal parameters in estrogen, progesterone, and human chorionic gonadotropin administered in nonpregnant rat myometrium after ovariectomyen_US
dc.typeConference Objecten_US

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