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排序方式: 共有95条查询结果,搜索用时 15 毫秒
1.
Novel noninvasive detection method for endometriosis: research and development of scintigraphic survey on endometrial implants in rats 总被引:1,自引:0,他引:1
Hascalik S Celik O Kekilli E Elter K Karakas HM Aydin NE 《Fertility and sterility》2008,90(1):209-213
In this experimental study on endometriosis, the majority of the implants were successfully detected with technetium-(99mTc) labeled red blood cell scintigraphy. 相似文献
2.
Eyup Burak Sancak Alpaslan Akbas Coskun Silan Dilek Ulker Cakir Hakan Turkon Sidika Seyma Ozkanli 《Renal failure》2016,38(4):629-635
The objective of the present study was to determine whether preischemic administration of syringic acid (SA) would attenuate renal ischemia-reperfusion injury (IRI). Rats were divided into three groups: Sham group; IR group; and IR?+?SA group. The effects of SA were examined using biochemical parameters including serum ischemia-modified albumin (IMA), total antioxidant status (TAS), total oxidant status (TOS), oxidative stress index (OSI), tissue superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and malondialdehyde (MDA). The apoptosis status and histopathological changes were evaluated. After calculating the score for each histopathological change, the total score was obtained by summing all the scores. In the SA group, MDA, IMA, TOS, and OSI decreased significantly compared to the IR group. After SA administration, the increase in GPx activity was found to be significant. Apoptosis decreased significantly in the SA group compared with the IR group. The total score significantly decreased after administration of SA. Taken together, our findings suggest that SA preconditioning is effective in reducing tissue damage induced in kidney IRI. Renal histology also showed convincing evidence regarding the protective nature of SA. 相似文献
3.
Seyma Ozer Kaya Fatih Mehmet Kandemir Seyfettin Gur Mine Erisir Fulya Benzer Emre Kaya Gaffari Turk Mustafa Sonmez 《Andrologia》2020,52(1):e13439
The purpose of this study is to investigate the effects of L-arginine on spermatological parameters, seminal plasma nitric oxide levels and arginase enzyme activities. Fertile rams that are 2–3 years old and weighing 50–60 kg were used as material. The semen was collected by artificial vagina at 1st, 4th, 24th, 48th, 72nd, 96th and 120th hours for the control group before L-arginine administration. For treatment groups, L-arginine was administered intraperitoneally at a dose of 5 mg kg−1 bw−1 and semen was collected at the time point described for the control group. Spermatological characteristics of semen samples (semen volume, pH, sperm motility, concentration and abnormal sperm rate), seminal plasma nitric oxide levels and arginase enzyme activities were determined. Increased seminal plasma nitric oxide level (p < .01), seminal plasma arginase activity (p < .01), semen volume (p < .05), semen mass activity (p < .05), sperm motility (p < .05) and concentration (p < .01) and decreased abnormal sperm rate (p < .05 and p < .01) were observed by L-arginine administration. In conclusion, it may be concluded that L-arginine application in rams during the breeding season may have positive effects on rams' reproductive performance. 相似文献
4.
Serdar Durdagi Timucin Avsar Muge Didem Orhan Muge Serhatli Bertan Koray Balcioglu Hasan Umit Ozturk Alisan Kayabolen Yuksel Cetin Seyma Aydinlik Tugba Bagci-Onder Saban Tekin Hasan Demirci Mustafa Guzel Atilla Akdemir Seyma Calis Lalehan Oktay Ilayda Tolu Yasar Enes Butun Ece Erdemoglu Alpsu Olkan Nurettin Tokay eyma Ik Aysenur Ozcan Elif Acar Sehriban Buyukkilic Yesim Yumak 《Molecular therapy》2022,30(2):963
Small molecule inhibitors have previously been investigated in different studies as possible therapeutics in the treatment of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). In the current drug repurposing study, we identified the leukotriene (D4) receptor antagonist montelukast as a novel agent that simultaneously targets two important drug targets of SARS-CoV-2. We initially demonstrated the dual inhibition profile of montelukast through multiscale molecular modeling studies. Next, we characterized its effect on both targets by different in vitro experiments including the enzyme (main protease) inhibition-based assay, surface plasmon resonance (SPR) spectroscopy, pseudovirus neutralization on HEK293T/hACE2+TMPRSS2, and virus neutralization assay using xCELLigence MP real-time cell analyzer. Our integrated in silico and in vitro results confirmed the dual potential effect of montelukast both on the main protease enzyme inhibition and virus entry into the host cell (spike/ACE2). The virus neutralization assay results showed that SARS-CoV-2 virus activity was delayed with montelukast for 20 h on the infected cells. The rapid use of new small molecules in the pandemic is very important today. Montelukast, whose pharmacokinetic and pharmacodynamic properties are very well characterized and has been widely used in the treatment of asthma since 1998, should urgently be completed in clinical phase studies and, if its effect is proved in clinical phase studies, it should be used against coronavirus disease 2019 (COVID-19). 相似文献
5.
Contribution of diffusion‐weighted imaging to dynamic contrast‐enhanced MRI in the characterization of papillary breast lesions 下载免费PDF全文
Seyma Yildiz MD Huseyin Toprak MD Yeliz Emine Ersoy MD Fatma Ümit Malya MD Ayşe Ahsen Bakan MD Ayşe Aralaşmak MD Zuhal Gucin MD 《The breast journal》2018,24(2):176-179
Papillary lesions have a broad spectrum of appearances on magnetic resonance imaging (MRI ). The purpose of this study was to evaluate whether apparent diffusion coefficient (ADC ) values of papillary lesions can be used to characterize lesion as benign or malignant. This retrospective study included 29 papillary lesions. Diagnostic values of dynamic contrast‐enhanced MRI (DCE‐MRI), DWI ‐ADC , and DCE ‐MRI plus DWI ‐ADC were separately calculated. The malignant papillary lesions (0.744×10?3 mm2/s) exhibited significantly lower mean ADC values than the benign lesions (1.339×10?3 mm2/s). Addition of DWI to standard DCE ‐MRI provided 100% sensitivity. We hypothesized that this combination may prevent unnecessary excisional biopsies. 相似文献
6.
Hilal Akalin Izem Olcay Sahin Seyma Aktas Paskal Busra Tan Ezgi Yalcinkaya Mikail Demir Mustafa Yakubi Busra Ozguc Caliskan Ozlem Gokce Ekinci Mehmet Ercan Tugce Yasar Kucuk Gizem Gokgoz Aslihan Kiraz Huseyin Per Mahmut Tuncay Ozgun Numan Baydilli Yusuf Ozkul Munis Dundar 《Journal of clinical laboratory analysis》2024,38(1-2):e24997
7.
Hascalik S Celik O Dogru MI Kocagun Dogru A Inan E Yurekli M 《Acta obstetricia et gynecologica Scandinavica》2005,84(9):833-836
OBJECTIVE: The purpose of this study was to determine the levels of adrenomedullin (AdM) in amniotic fluid (AF) and maternal serum of misoprostol (PGE1)-induced pregnant women. MATERIALS AND METHODS: A total of 40 women were included in the study: 20 were in active labor and were delivered vaginally and a further 20 were not in labor and misoprostol induction was performed. Women who were undergoing labor induction received 50 microg of misoprostol, which was placed in the posterior fornix of the vagina every 4 hrs until the onset of labor. In each patient, maternal plasma and AF samples were collected. Samples of AF were collected by transvaginal route at the time of rupture of the membranes. The labor was at the same stage in both the groups during the sample collection. In all pregnant subjects, maternal blood samples were drawn from the cubital vein at the time of AF sampling. Amniotic fluid and serum AdM concentration was measured by using reverse-phase high-performance liquid chromatography. RESULTS: Misoprostol-induced pregnant women showed significantly higher AdM concentrations than control pregnant women in AF (79.48 +/- 6.14 pmol/ml versus 21.28 +/- 0.90 pmol/ml, P = 0.000) and maternal serum (88.20 +/- 4.34 pmol/ml versus 29.78 +/- 4.51 pmol/ml, P = 0.000). There was no significant difference between maternal serum and AF-AdM concentrations in misoprostol and control subjects. CONCLUSION: Increased serum and AF-AdM concentrations may be necessary to initiate cervical ripening in misoprostol-induced pregnant women. 相似文献
8.
Celik O Turkoz Y Hascalik S Hascalik M Cigremis Y Mizrak B Yologlu S 《European journal of obstetrics, gynecology, and reproductive biology》2004,117(2):183-188
OBJECTIVE: This experimental study was designed to determine the changes in tissue levels of malondialdehyde, end-product of lipid peroxidation (MDA), reduced glutathione (GSH) and xanthine oxidase (XO) and the effect of caffeic acid (3,4-dihydroxycinnamic acid) phenethyl ester (CAPE) on these metabolite levels after adnexal torsion-detorsion model in rats. METHOD: Forty adult female albino rats were divided into five groups: basal control (n = 8), sham operation (n = 8), torsion-detorsion plus saline (n = 8), torsion-detorsion plus CAPE (n = 8). and only torsion (n = 8). Rats in the sham operation group underwent a surgical procedure similar to the other groups but the adnexa was not torsioned. Rats in the torsion group were killed after 360 degrees clockwise adnexal torsion for 3 h and ovaries were harvested. CAPE was injected intraperitoneally 30 min before detorsion in the CAPE/detorsion group and saline was administered in the saline/detorsion group. After 3 h of adnexal detorsion, the rats in both groups were killed and adnexa were surgically removed. RESULTS: MDA levels and XO activities in torsion-detorsion plus saline group increased significantly when compared to basal control, torsion and sham operation groups (P < 0.001). In the CAPE group, MDA levels and XO activities were lower than those of torsion-detorsion plus saline group, and differences between the two groups were statistically significant (P < 0.001). GSH levels in torsion-detorsion plus saline group were decreased significantly when compared to basal control and sham operation groups (P < 0.001). GSH levels in the CAPE group were higher than those of torsion-detorsion plus saline group, and differences between the two groups were statistically significant (P < 0.004). Morphologically, polymorphonuclear leukocytic infiltration and vascular dilatation were obvious in the ischemia-reperfusion damaged ovary, a change partially reversed by CAPE. CONCLUSIONS: These results suggest that administration of CAPE has beneficial effects in the prevention of ischemia-reperfusion injury of the ovaries. 相似文献
9.
Aini Wulamujiang Seyma Ozkanli Ender Coskunpinar Halime Tuba Canbaz Gamze Yesilay Muhammetnur Tekayev Kubra Sevgin 《Pathology international》2023,73(10):490-496
Psoriasis is an immune cell-dependent chronic autoimmune skin disorder. Interleukin 37 (IL-37) is a cytokine belonging to the IL-1 family that shows anti-inflammatory and protective effects in various mouse models of psoriasis. Even though various animal models are used to investigate the pathogenic mechanisms of psoriasis, human clinical studies are still needed to make up for the deficiencies, as animal models generally do not exhibit the complex phenotypic features of human psoriasis. Our study aims to demonstrate the relationship between IL-37-producing tissue-resident immune cells with the pathogenesis of psoriasis. The present study was performed on 28 psoriasis patients and 17 healthy volunteers. The ability of anti-inflammatory cytokine IL-37 to impede inflammation and regulate metabolic pathways was assessed by real-time quantitative polymerase chain reaction. Finally, immunofluorescence double staining for CD4+IL-37b+, CD68+IL-37b+, and (forkhead box protein P3) Foxp3+IL-37b+ was performed. The proportion of CD4+IL-37b+ T cells, CD68+IL-37b+ macrophages, and Foxp3+IL-37b+ T regulatory (Treg) cells was significantly increased in the psoriasis group compared to the control group. IL-37 gene expression was downregulated in psoriasis when contrasted to the control group. Our findings disclosed that IL-37-producing tissue-resident immune cells might be involved in the pathogenesis of psoriasis, and thus may be a therapeutic target for individuals with psoriasis. 相似文献
10.
Zeynep Isik-Ercan Tuba Demir-Dagdas Huzeyfe Cakmakci Yasemin Cava-Tadik Seyma Intepe-Tingir 《Early child development and care》2017,187(9):1413-1432
This paper examines the issues surrounding low-income immigrants in the U.S. and the ways they shape the educational experiences of their young children. Using a multidisciplinary lens including sociology, family studies, education, and mental health, the authors analyse multiple perspectives towards the educational experiences of children in low-income immigrant families. After providing a sample case study focusing on the educational experiences of Burmese refugee parents with early elementary education (Grades K through 3) in the Midwestern United States, the authors frame desirable responses from policy and practice that would best support the educational experiences of young children in low-income immigrant families including (a) understanding cultural strengths, (b) creating a positive and inclusive classroom environment, (c) supporting bilingual and bicultural competencies, (d) providing immigrant families with leadership opportunities, (e) teacher professional development on mental health and poverty, and (f) building integrated supports for the family. 相似文献