Savaş, Hasan Basri
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Savas, Hasan Basri
Savaş, H.B.
Savaş, H.B.
Job Title
Doç. Dr.
Email Address
hasansavas@artuklu.edu.tr
Main Affiliation
Department of Basic Medical Sciences / Temel Tıp Bilimleri Bölümü
Status
Current Staff
Website
ORCID ID
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID
Sustainable Development Goals
17
PARTNERSHIPS FOR THE GOALS
0
Research Products
2
ZERO HUNGER
0
Research Products
5
GENDER EQUALITY
0
Research Products
6
CLEAN WATER AND SANITATION
0
Research Products
13
CLIMATE ACTION
0
Research Products
10
REDUCED INEQUALITIES
0
Research Products
16
PEACE, JUSTICE AND STRONG INSTITUTIONS
0
Research Products
8
DECENT WORK AND ECONOMIC GROWTH
0
Research Products
15
LIFE ON LAND
0
Research Products
3
GOOD HEALTH AND WELL-BEING
6
Research Products
9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
0
Research Products
14
LIFE BELOW WATER
0
Research Products
4
QUALITY EDUCATION
0
Research Products
1
NO POVERTY
0
Research Products
7
AFFORDABLE AND CLEAN ENERGY
0
Research Products
11
SUSTAINABLE CITIES AND COMMUNITIES
0
Research Products
12
RESPONSIBLE CONSUMPTION AND PRODUCTION
0
Research Products
Documents
44
Citations
385
h-index
12
Documents
46
Citations
377
Scholarly Output
29
Articles
27
Views / Downloads
167/2051
Supervised MSc Theses
0
Supervised PhD Theses
0
WoS Citation Count
48
Scopus Citation Count
45
WoS h-index
4
Scopus h-index
4
Patents
0
Projects
1
WoS Citations per Publication
1.66
Scopus Citations per Publication
1.55
Open Access Source
24
Supervised Theses
0
| Journal | Count |
|---|---|
| The Pakistan Veterinary Journal | 2 |
| Iranian Journal of Basic Medical Sciences | 2 |
| Cureus | 2 |
| Beslenme Biyokimyası | 1 |
| Beyoglu Eye Journal | 1 |
Current Page: 1 / 6
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Competency Cloud
29 results
Scholarly Output Search Results
Now showing 1 - 10 of 29
Article Citation - WoS: 12Citation - Scopus: 12Protective Effect of Astaxanthin on Histopathologic Changes Induced by Bisphenol a in the Liver of Rats(Univ Agriculture, Fac veterinary Science, 2024) Karabekir, Seda Cetinkaya; Gultekin, Burcu; Ayan, Ilknur Cinar; Savas, Hasan Basri; Cuce, Gokhan; Kalkan, SerpilBisphenol A (BPA) has several potential uses, including in polycarbonate plastics and epoxy resins, which could expose humans to it. Recognized for its hepatotoxicity and ability to accumulate in organs. We prompted this study to explore the hepatoprotective potential of astaxanthin (ASTX), an antioxidant against BPA toxicity. We used 32 male Wistar Albino rats and randomly assigned them as: Control, Sham (olive oil), BPA, and BPA+ASTX. At the end of the experiment, Native Thiol, Total Thiol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) were measured in serum samples. Histopathological scoring was performed to evaluate the changes caused by ASTX in the liver. Caspase 3 and caspase 9 expression in liver tissues was demonstrated immunohistochemically and by PCR. Collagen I (COL1A1) and collagen III (COL3A1) mRNA levels were measured by PCR in the tissue samples. The BPA group showed elevated AST and ALT with decreased Thiol levels. ASTX administration reversed these changes as observed by reduced AST and ALT levels and increased Thiol levels. Histopathology indicated increased liver damage and fibrosis in the BPA group which were alleviated in the BPA+ASTX group. Gene expression analyses revealed upregulated COL1A1 and COL3A1 in BPA, which was downregulated with ASTX. Immunohistochemistry and PCR confirmed BPA-induced caspase 3 and caspase 9 expression, which were attenuated by ASTX. This study underscores ASTX's hepatoprotective efficacy against BPA-induced hepatotoxicity which ultimately attributed to its antioxidant and antiapoptotic properties. Consequently, ASTX emerges as a promising therapeutic agent for preventing and treating BPA-related liver diseases.Article Citation - WoS: 1Citation - Scopus: 1The Effects of Maternal Body Weight on Iodine Concentration in Breast Milk and Cord Blood and Infant Growth(Cambridge Univ Press, 2025) Kahraman, Ceren Sarahman; Savas, Hasan Basri; Erdem, Dilek; Ayhan, Nurcan YabanciBreast milk (BM) is the only source of iodine and bioactive compounds that influence growth and development in infants. The content of BM may be influenced by maternal body mass index (BMI). The aim of this study was to investigate the effect of maternal weight on BM and cord blood iodine concentrations, growth-related hormones, infant anthropometric measurements. A total of 84 mother-infant pairs participated. Levels of leptin, adiponectin and insulin-like growth factor-I (IGF-I) in postnatal BM and cord blood were analysed by enzyme-linked immunosorbent assay (ELISA), iodine by Sandell-Kolthoff reaction. Dietary iodine intake of women was determined by food frequency questionnaire, and anthropometric measurements of infants at birth and 3 months were evaluated. Dietary iodine intake was found to be similar in normal weight (NW) and overweight/obese (OW/OB) women (p > 0.05). Breast milk iodine concentration (BMIC) was 17.4 mu g in NW, 18.2 mu g in OB/OW women. Adiponectin in cord blood and IGF-I in BM were higher OB/OW than NW women (p < 0.05). Positive correlations were found between the infant birth weight and adiponectin in BM, between the infant body weight at 3 months and leptin and adiponectin in BM, between the infant birth head circumference and IGF-I in BM (p < 0.05). In multiple linear regression model, leptin and adiponectin in BM had a positive effect on infant body weight (p < 0.05). Maternal BMI may influence infant body weight via leptin and adiponectin in BM and infant head circumference via IGF-I. No relationship was found between maternal BMI and iodine levels and anthropometric measurements of the infant. Longitudinal studies are recommended to understand the effect of BMIC on growth.Article Citation - WoS: 6Citation - Scopus: 5Thiol–disulfide balance and trace element levels in patients with seasonal allergic rhinitis(African Health Sciences, 2022) Savas, Hasan Basri; Gunizi, HuseyinAbstract Background: The prevalence of allergic diseases is gradually increasing worldwide. The most common such allergic disease is allergic rhinitis (AR). Objective: The present study investigated the possible relationship between seasonal AR and the thiol-disulfide balance and zinc and copper levels in adult individuals. Study Design and Methods: 130 male and female adults were included in the study. The participants’ serum thiol-disulfide balance and zinc and copper levels were measured spectrophotometrically using commercial kits. Statistical significance was accepted as p < 0.05 between the groups. Results: The serum copper (p = 0.001), native thiol (p = 0.006), reduced thiol (p < 0.001), and thiol oxidation reduction ratio (p < 0.001) levels were significantly lower in the seasonal AR group than in the control group. Conclusion: In AR patients, the low level of copper, which is an important trace element, the deterioration of the thiol-disulfide balance, which represents a unique indicator of the oxidant-antioxidant balance, the increased disulfide level caused by oxidative stress, and the decreased native thiol level can all serve as important biochemical markers.Article Is There a Relationship Between First-Trimester Aneuploidy Screening Serum Biomarker Values and Nuchal Translucency Measurements and the Development of Retinopathy of Prematurity (ROP) in Premature Infants?(Nature, 2023)Abstract Purpose The purpose of this study is the evaluation of serum biomarker and nuchal translucency (NT) values measured during first-trimester aneuploidy screening in terms of the development of retinopathy of prematurity (ROP) in premature infants and investigation of whether the development of ROP is associated with these parameters. Methods In this retrospective cohort study, 3,750 premature infants who underwent ROP screening from 2016 to 2021 were identified from the hospital medical record system. Among 2,130 premature babies screened for firsttrimester aneuploidy, 166 babies whose mothers had single pregnancies were screened by the same method and showed the same clinical course in both eyes were included in the study. The infants were divided into two groups according to the presence of ROP, and those with ROP were further evaluated in two groups according to the presence of proliferation. The groups were compared in terms of the serum values of human chorionic gonadotropin and pregnancy-associated plasma protein A, among aneuploidy screening biomarkers, and NT measurements. Results There was no significant difference in the evaluated serum biomarker values and NT measurements between the ROP and non-ROP groups or between the proliferative ROP, non-proliferative ROP, and non-ROP groups. Conclusion Our results showed that first-trimester aneuploidy screening serum biomarker values and NT measurements were not associated with the development of ROP in premature infants.Article Anti-angiogenic and oxidative effects of brilliant blue at different concentrations in chorioallantoic membrane model(Modestum, 2023)Introduction: Artificial food colorings are increasingly used to make the color and appearance of foods more attractive. One commonly used food dye is E133, international-coded brilliant blue (BB). According to the European Food Safety Authority panel results in 2010, it was determined that BB daily remained below the acceptable daily intake (ADI) value for adults and exceeded ADI value for children. The purpose of this study was to investigate the effects of BB on angiogenesis and oxidative stress in the chorioallantoic membrane model. Materials & methods: In this investigation, fertilized chick eggs free of specific pathogens were used. The eggs that were not fully grown or fertilized were excluded. 50 embryos were distributed into five groups of 10 each. The negative control group was the control group, the positive control group was the bevacizumab group, and three different BB dosages (10-4 M, 10-5 M, and 10-6 M) were identified. At the end of the experiment, anti-angiogenesis scoring, and total antioxidant-oxidant capacity were evaluated. Results: According to the average score values, the control group had no anti-angiogenic impact, but the bevacizumab group had a strong anti-angiogenic effect (average score 1.1). Furthermore, the 10-4 M BB group had a weak anti-angiogenic impact (average score of 0.7), while the 10-5 M and 10-6 M BB groups had no anti-angiogenic effect (average score of 0.4 and 0.2, respectively). As a result of one-way analysis of variance test, it was seen that BB significantly increased total oxidant capacity and oxidative stress index values in proportion to the increase in dose (p<0.05). Conclusions: BB’s oxidant and anti-angiogenic effects indicate that high doses of processed foods containing artificial food dyes carry a risk for viable growth. Since there are not enough studies in the literature showing the oxidant or antiangiogenic effects of BB in chorioallantoic membrane model, the original data we presented in this study are pioneering.Article The protective role of selenium in an experimental high fructose corn syrup exposure.(Modestum, 2023)Objective: Nowadays, fructose is recognized as a significant health threat. Prepared foods containing fructose are consumed more because they do not create a feeling of satiety. Selenium is an essential trace element with antioxidant and cell protective properties. In this study, the effect of high fructose corn syrup, which is used as a sweetener in many foods and beverages and consumed during pregnancy, and the possible protective role of selenium in this effect were investigated and examined. Methods: Fertilized specific pathogen-free eggs were used in our study. These eggs were divided equally into four groups. Each group was allocated 10 eggs containing viable embryos. These groups are pre-process control, post-process control, high fructose corn syrup (HFCS55), and high fructose corn syrup and selenium (HFCS-55+Se 10-6 ) groups. Pellets containing and containing no active substance (HFCS-55, HFCS-55+Se 10-6 ) were carefully placed on the chorioallantoic membrane (CAM) of each egg in these groups. Oxidative stress status in all groups was determined by total oxidative stress (TOS) and total antioxidant capacity (TAC) methods. Results: In our study, a significant increase in TOS levels and a significant decrease in TAC levels were observed in egg groups given HFCS compared to other groups (p<0.05). The OSI value was shown to be lower in the group given HFCS+Se. Conclusion: As a result, HFCS was shown to increase oxidative stress. In line with our data, it has been shown that Se, plays a protective role against oxidative stress.Article Anti-Angiogenic and Oxidant Effects of Monosodium Glutamate at Different Concentrations in Chorioallantoic Membrane Model(Muğla Sıtkı Koçman Üniversitesi, 2023)Monosodium glutamate (MSG) is a flavor-enhancing food additive. MSG exposure is rising day by day because of the high commercial food consumption. MSG exposure causes damage to various tissues and organs. The aim of this study is to investigate the effects of MSG on angiogenesis and oxidant-antioxidant balance. Three different concentrations of MSG (10-4 M, 10-5 M, and 10-6 M), control, and the bevacizumab (10-6 M) were prepared and placed on the chorioallantoic membrane (CAM) of the embryos. Albumen was taken from the embryos before and after the experiment. Angiogenesis was investigated through the window that was opened on the eggshell. Angiogenesis was found to be normal in the control and 10-6 M MSG group (average score: 0.3). Anti-angiogenic effects were moderate in the 10-5 M MSG group (average score: 0.5) and in the 10-4 M MSG group (average score: 0.7), and strong in the bevacizumab group (average score: 1.1). According to our results, MSG shows anti-angiogenic properties in higher doses. MSG increased oxidative stress. According to the results of our research, it is seen that MSG inhibits angiogenesis in a dose-dependent manner in the CAM model and may cause an increase in oxidative damage by disrupting the oxidant-antioxidant balance. Since no previous study has been found in the literature regarding the effects of MSG on angiogenesis and oxidant-antioxidant balance in the CAM model, we think our results will fill an important gap in the literature.Article The Positive Effects of Wet Cupping Therapy on Thiol Disulfide Balance(Pakistan Medical Association, 2025) Savaş, H.B.; Sarikan, I.Objective: To explore the oxidant and antioxidant effects of wet cupping therapy on thiol disulfide balance. Method: The cross-sectional study was conducted at Alanya Training and Research Hospital, Turkey, from March 15 to September 15, 2021, and comprised volunteers who received two sessions of wet cupping therapy with an interval of four weeks. Blood samples were taken before the session and then again after the session. Total thiol, native thiol and disulfide were measured in the blood samples using the colorimetric method. Data was analyzed using SPSS 26. Results: Of the 50 subjects with mean age 47.10±15.16 years, 25(50%) were males and 25(50%) were females. There was a statistically significant difference between baseline and post-intervention levels of total thiol, disulfide, reduced thiol ratio, oxidized thiol and thiol oxidation reduction (p<0.001). Conclusion: Wet cupping therapy could remove oxidants, reduce oxidative stress and produce antioxidant effects. © (c) 2025 Journal of the Pakistan Medical Association. This work is licensed under a Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by-nc-nd/4.0/.Article Evaluation of Thiol/Disulfide Homeostasis and Ischemia Modified Albumin as Potential Markers for Periodontitis(BMC, 2025) Karci, Bilge; Savas, Hasan BasriBackground The current study aimed to assess the impact of periodontitis on oxidative stress parameters by examining serum total antioxidant capacity (TAS), total oxidant status (TOS), oxidative stress index (OSI), thiol/ disulfide homeostasis and ischemia modified albumin (IMA). Methods The study had 90 participants, categorized into 3 groups: Group 1: Periodontally healthy; Group 2: Stage II Grade B periodontitis; Group 3: Stage III and IV Grade B periodontitis. Demographic and periodontal variables were assessed. The levels of serum TAS, TOS, OSI, IMA, and thiol/disulfide were assessed. Results No significant differences in sex and age were detected among the groups (p > 0.05). When compared to Group 1, all clinical measurements were statistically significantly greater in Group 3 (p < 0.05). Statistical analysis revealed no significant differences in serum TAS, TOS, and OSI levels among the groups (p > 0.05). The highest serum IMA value was observed in Group 3 (p = 0.037), whereas native thiol (p = 0.00), total thiol (p = 0.00) and disulfide values (p = 0.023) were highest in Group 1. Conclusions These findings indicate that thiol/disulfide homeostasis and IMA could hold promise as a potential biomarker of inflammation in periodontitis.Article Is There a Relationship Between First-Trimester Aneuploidy Screening Serum Biomarker Values and Nuchal Translucency Measurements and the Development of Retinopathy of Prematurity (ROP) in Premature Infants?(Springer, 2023) Küçük, Mehmet Fatih; Savaş Hasan Basri; Süren, Elçin; Erol, Muhammet; Yaprak, Lütfiye; Sabancı, ŞenolPurpose The purpose of this study is the evaluation of serum biomarker and nuchal translucency (NT) values measured during first-trimester aneuploidy screening in terms of the development of retinopathy of prematurity (ROP) in premature infants and investigation of whether the development of ROP is associated with these parameters. Methods In this retrospective cohort study, 3,750 premature infants who underwent ROP screening from 2016 to 2021 were identified from the hospital medical record system. Among 2,130 premature babies screened for first-trimester aneuploidy, 166 babies whose mothers had single pregnancies were screened by the same method and showed the same clinical course in both eyes were included in the study. The infants were divided into two groups according to the presence of ROP, and those with ROP were further evaluated in two groups according to the presence of proliferation. The groups were compared in terms of the serum values of human chorionic gonadotropin and pregnancy-associated plasma protein A, among aneuploidy screening biomarkers, and NT measurements. Results There was no significant difference in the evaluated serum biomarker values and NT measurements between the ROP and non-ROP groups or between the proliferative ROP, non-proliferative ROP, and non-ROP groups. Conclusion Our results showed that first-trimester aneuploidy screening serum biomarker values and NT measurements were not associated with the development of ROP in premature infants.
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