ORCID "0000-0003-3302-5004" Makale Koleksiyonu için listeleme
-
Artificial oocyte activation with calcium ionophore for frozen sperm cycles
Karabulut, Seda; Aksünger, Özlem; Ata, Can; Sağıroğlu, Yusuf; Keskin, İlknur (Taylor and Francis Ltd., 2018)Fertilization problems are the major problems that may be faced in 30-55% of the patients during an intracytoplasmic sperm injection (ICSI) cycle. A successful oocyte activation depends on factors related to both sperm and ... -
Chronic unpredictable stress disturbs the blood-testis barrier affecting sperm parameters in mice
Kolbaşı, Bircan; Bülbül, Muhammet Volkan; Karabulut, Seda; Erdem Altun, Ceren; Çakıcı, Çağrı; Ülfer, Gözde; Müdok, Tangül; Keskin, İlknur (Elsevier Ltd, 2021)Research question: Does chronic stress affect the key proteins and sperm parameters of the blood & ndash;testis barrier (BTB)? Design: C57Bl/6 mice were divided into two groups: a non-treated control group and a chronic ... -
Comparison of machine learning classification techniques to predict implantation success in an IVF treatment cycle
Yiğit, Pakize; Bener, Abdulbari; Karabulut, Seda (Elsevier Science Ltd, 2022)Research question: Which machine learning model predicts the implantation outcome better in an IVF cycle? What is the importance of each variable in predicting the implantation outcome in an IVF cycle?Design: Retrospective ... -
Detailed morphological analysis of axolotl sperm
Keskin, İlknur; Gürsoy Gürgen, Duygu; Avinca, Didem; Özdemir, Ekrem Musa; Keskin, Suat Utku; Karabulut, Seda (Korean Society of Veterinary Science, 2021)The axolotl has extraordinary regeneration capacity compared to other vertebrates. This remarkable potential has been attributed to its life-long neoteny, characterized by the exhibition of embryonic characteristics at the ... -
Dondurulmuş ejekülat ve dondurulmuş testiküler spermin sonuçlarının intrasitoplazmik sperm enjeksiyonu (ICSI) parametrelerine etkisinin değerlendirilmesi
Karabulut, Seda; Korkmaz, Oya; Sağıroğlu, Yusuf; Keskin, İlknur (Avrasya Üroonkoloji Derneği, 2019)Amaç: Çalışmamızda, dondurulmuş ejekülat ve dondurulmuş testiküler spermin İntrasitoplaz - mik Sperm Enjeksiyonu (ICSI) sonuçları üzerine etkisinin araştırılması amaçlanmıştır. Gereç ve Yöntemler: Çalışmamızda 11.10.2016- ... -
Effects of density gradient sperm preparation on semen parameters and acrosomal status
Keskin, İlknur; Karabulut, Seda (Haydarpaşa Sample Training and Research Hospital, 2017)AbstractIntroduction: The aim of this study was to observe changes in sperm parameters after density gradient sperm preparation. These data will help to decide upon preparation technique and to predict the outcome of semen ... -
Effects of gallic acid on endometrial cancer cells in two and three dimensional cell culture models
Bülbül, Muhammet Volkan; Karabulut, Seda; Kalender, Mervenur; Keskin, İlknur (Asian Pacific Organization for Cancer Prevention, 2021)Background and Aim: Cell culture studies are an indispensable tools used to understand basic physiological, biophysical and biomolecular mechanisms. Although traditional two-dimensional (2D) cell culture models are more ... -
Effects of human sperm cryopreservation on apoptotic markers in normozoospermic and non-normozoospermic patients
Karabulut, Seda; Demiroğlu Zergeroğlu, Asuman; Yılmaz, Elif; Kutlu, Pelin; Keskin, Ilknur (Cambridge University Press, 2018)The negative effects of cryopreservation on sperm parameters are well documented but little information is known about molecular basis of the process. The aim of the present study was to investigate the possible effects ... -
Erkek yaşı sperm parametrelerini etkiliyor mu? Türk popülasyonuna ait ilk seri
AMAÇ: Çalışmanın amacı, infertilite araştırma amacıyla elde edilmiş 1402 semen örneğinde, baba yaşı ile semen parametreleri (konsantrasyon, motilite, progresif motilite, morfoloji, akrozomal indeks, semen hacmi) arasındaki ... -
Fresh versus frozen blastocyst transfer outcomes deriven from the same ICSI cycle in male factor infertility
Karabulut, Seda; Kutlu, Pelin; Korkmaz, Oya; Bülbül, Muhammet Volkan; Keskin, İlknur (IMR Press Limited, 2021)The aim of this study was to investigate the clinical outcomes of fresh and frozen-thawed blastocyst transfer deriven from the same ICSI cycle because of male infertility. 2372 couples undergoing a total of 5075 ICSI cycles ... -
A histopathological evaluation of ovarian hyperstimulation syndrome on reproductive and vital organs and the role of the VEGF-PKA pathway in a mouse model
Karabulut, Seda; Korkmaz, Oya; Erdem Altun, Ceren; Keskin, İlknur (Karger, 2021)Ovarian hyperstimulation syndrome (OHSS) is one of the most common and iatrogenic complications of in vitro fertilization therapy, which is an exaggerated response to excess hormones resulting in the development of a large ... -
Intracytoplasmic morphologically selected sperm injection, but for whom?
Karabulut, Seda; Aksünger, Özlem; Korkmaz, Oya; Eren Gözel, Hilal; Keskin, İlknur (Cambridge University Press, 2019)Intracytoplasmic sperm injection (ICSI) is performed in cases of infertility by injecting a motile and morphologically normal sperm cell under a routine ×400 magnification at which is hard to distinguish morphologically ... -
Male infertility, azoozpermia and cryptozoospermia incidence among three infertility clinics in Turkey
Karabulut, Seda; Keskin, İlknur; Kutlu, Pelin; Delikara, Nuri; Atvar, Özhan; Öztürk, Metin İshak (AVES İbrahim Kara, 2018)Objective: Semen parameters are directly correlated with the infertility of the male. Incidence rates of male factor infertility, azoospermia and cryptozoospermia differ according to many factors such as geographic region, ... -
The role of TNF-α and its target HSP-70 in triggering apoptosis in normozoospermic and non-normozoospermic samples
Karabulut, Seda; Gürsoy Gürgen, Duygu; Kutlu, Pelin; Keskin, İlknur (NLM (Medline), 2022)Objective: Semen analysis is performed as one of the screening tests for infertility, including motility, morphology, and concentration observation. We aimed to investigate the expression rates of tumor necrosis factor-α ... -
Seminal oxidation-reduction potential as a possible indicator of impaired sperm parameters in Turkish population
Karabulut, Seda; Korkmaz, Oya; Yılmaz, Elif; Keskin, İlknur (Wiley, 2021)Oxidative stress (OS) has been shown to have a key role in male infertility. Recently, a new measurement method has been developed to measure the overall oxidation-reduction potential (ORP) in a semen sample known as the ... -
Seminal trace elements and their relationship with sperm parameters
Karabulut, Seda; Korkmaz, Serol; Güneş, Ertuğrul; Kabil, Erol; Keskin, İlknur; Usta, Melek; Omurtag, Gülden Zehra (Wiley, 2022)Male reproductive problems may derive from many reasons including the environmental toxicants which may either intaken by occupational exposure, nutrition or bad air quality. The increased exposure to these substances due ... -
Sperm selection with Annexin-V coated polystrene bead technique (APB-Tech): A novel and reliable method for the microscopic selection of viable and non-apoptotic sperm to be used for intracytoplasmic sperm injection
Karabulut, Seda; Yalım Camcı, İrem; Atambay, Can; Yiğit, Pakize; Keskin, İlknur (Elsevier Inc., 2022)Infertility is a growing health problem that affects 20% of couples who want to conceive. ‘Intracytoplasmic sperm injection’ (ICSI) is a commonly used assisted reproduction treatment technique that offers the couples to ... -
Ultrastructural examination of testicular tissues and evaluation of ZO-1 protein levels obtained from azoospermic cases
Altun, Ayşe; Ersoy Çanillioǧlu, Yasemin; Ünsal, Evrim; Karabulut, Seda; Hürdaǧ, Canan (Ondokuz Mayıs Üniversitesi, 2021)Spermatogenesis is a process that involves cellular and biochemical processes. The purpose of this study is to understand the role of tight junctions in spermatogenesis by evaluating Zonula occludens-1 (ZO-1) protein levels ...