Browsing by Author "Ozkol, Halil"

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Activities of Cholinesterases, Adenosine Deaminase and Myeloperoxidase in Patients With Familial Mediterrenean Fever
(Baycinar Medical Publ-baycinar Tibbi Yayincilik, 2012) Ozkol, Halil; Ediz, Levent; Sekeroglu, Ramazan; Tekeoglu, Ibrahim; Keskin, Siddik
Objective: The aim of this study was to determine Acetylcholinesterase (AChE), Butyrilcholinesterase (BChE), Adenosine Deaminase (ADA) and Myeloperoxidase (MPO) activities in patients with Familial Mediterranean Fever (FMF) during attacks and attack-free periods. Although an inflammatory process is the main pathology in FMF, the activities of AChE, BChE and MPO which might be affected by inflammation has not yet been assessed in FMF. Materials and Methods: The subjects were divided into 3 groups: Group 1. FMF patients in acute attack period (FMF-AP); Group 2. FMF patients in attack-free period (FMF-AFP); Group 3. Healthy Control subjects (HC). The first two groups consisted of 41 and 35 patients, respectively. Thirty individuals without a history of other potential health problems constituted the healthy control (HC) group. We measured the activities of MPO, ADA, AChE and BChE in whole blood and serum of the study groups. Acute phase reactants (AFP) were also evaluated. Results: In the current study, while ADA and MPO activities increased, AChE decreased significantly in both whole blood and serum in FMF-AP group, BChE decreased in only whole blood in this group compared with FMF-AFP and HC groups (p<0.05). In FMF-AP group, both whole blood and serum ADA (r=0.313, r=0.267), and MPO (r=0.341, r=0.253) activities were correlated with C-reactive protein, respectively (all p values <0.001). Conclusion: Our study demonstrated that there are significant differences between FMF-AP and other groups in terms of AChE, BChE, ADA and MPO activities. Thus, we suggest that elevated ADA, MPO and decreased AChE and BChE activities may be considered as supportive markers to distinguish FMF attacks from attack-free periods. However, further larger-scale studies are needed to validate these results. Turk J Phys Med Rehab 2012;58:184-8.
Ameliorative Influence of Urtica Dioica L Against Cisplatin-Induced Toxicity in Mice Bearing Ehrlich Ascites Carcinoma
(Taylor & Francis Ltd, 2012) Ozkol, Halil; Musa, Davut; Tuluce, Yasin; Koyuncu, Ismail
Cisplatin (CP) is a widely used cytotoxic agent against cancer, and high doses of CP have been known to cause nephrotoxicity and hepatotoxicity. Some reports claim that antioxidants can reduce CP-induced toxicity. This study investigated the hepatoprotective, nephroprotective, and antioxidant activity of Urtica dioica L methanolic extract (UDME) against CP toxicity in Erhlich ascites tumor (EAT)-bearing mice. Levels of serum hepatic enzymes, renal function markers, and oxidant/antioxidant parameters of liver tissue were measured. Mice were inoculated with EAT on day 0 and treated with nothing else for 24 hours. After a single dose of CP administration on day 1, the extract was given at the doses of 50, 100, 200, and 400 mg/kg body weight daily during 6 days. Almost all doses of UDME performed a significant (P<0.05) preventive role against CP toxicity by decreasing aspartate aminotransferase, alanine aminotransferase, lactate dehydrogenase, blood urea nitrogen, creatinine, lipid peroxidation, protein oxidation levels, and myeloperoxidase activity, as well as increasing reduced glutathione content, superoxide dismutase, catalase, glutathione S-transferase, and glutathione peroxidase activities. This suggests that UDME has a protective capacity and antioxidant activity against CP toxicity in EAT-bearing mice, probably by promoting antioxidative defense systems.
Anthocyanin-Rich Extract From Hibiscus Sabdariffa Calyx Counteracts Uvc-Caused Impairments in Rats
(Taylor & Francis Ltd, 2015) Ozkol, Hatice Uce; Koyuncu, Ismail; Tuluce, Yasin; Dilsiz, Nihat; Soral, Sinan; Ozkol, Halil
Context: Ultraviolet radiation (UV) was reported to cause oxidative stress. Hibiscus sabdariffa L. (Malvaceae) calyx is commonly used in traditional Asian and African medicines and possesses strong antioxidant capacity due to its anthocyanin (ANTH) content. Objective: This study researched the possible protective role of Hibiscus sabdariffa calyx extract (HSCE) in UVC exposure of rats. Material and methods: Levels of serum enzymes, renal function tests, and some oxidant/antioxidant biomarkers of skin, lens, and retina tissues were monitored. Rats were exposed to UVC 4 h daily for 40 d and simultaneously received HSCE containing 2.5, 5, and 10 mg doses of ANTH in drinking water. Results: Significant (p < 0.05) increases in the levels of serum aminotransferases, lactate dehydrogenase, urea, creatinine, and uric acid were noted after UVC exposure. In skin, lens, and retina tissues, total oxidant status, oxidative stress index, lipid peroxidation, and protein oxidation escalated markedly (p < 0.05) whereas total antioxidant status, reduced glutathione, and superoxide dismutase decreased dramatically (p < 0.05) related to UVC. Co-administration of HSCE with each ANTH dose significantly (p < 0.05) reversed aforementioned parameters (except total oxidant status) almost in all tissues. The LD50 of HSCE in rats was determined to be above 5000 mg/kg. Discussion and conclusion: Our data revealed that HSCE has a remarkable potential to counteract UVC-caused impairments, probably through its antioxidant and free radical-defusing effects. Therefore, HSCE could be useful against some cutaneous and ocular diseases in which UV and oxidative stress have a role in the etiopathogenesis.
The Apoptotic, Cytotoxic and Genotoxic Effect of Novel Binuclear Boron-Fluoride Complex on Endometrial Cancer
(Springer, 2017) Tuluce, Yasin; Lak, Pawan Tareq Ahmed; Koyuncu, Ismail; Kilic, Ahmet; Durgun, Mustafa; Ozkol, Halil
Endometrial cancer (EC) is one of the most common types of gynecologic cancer of the female genital tract; it considered being the fourth leading death factor among other types of cancer. Therefore, developing new anti-cancer agents are crucial for cancer treatment. Based on the potential of Schiff based complexes for the induction of apoptosis, Schiff base compounds, and their metal complexes displayed excellent anticancer properties. In this current study, antiproliferative activity of [L(BF2)(2)] as a novel binuclear boron-fluoride complex was examined to preliminary research in eight different cell lines, HELA, DU-145, PC3, DLD-1, ECC-1, PNT1-A, HT-29, and MCF-7, it was found to have a potent, suppressive effect on human endometrial adenocarcinoma cell line ECC-1. Based on this data, later investigated its apoptotic, cytotoxic, and genotoxic properties on human endometrial adenocarcinoma cell line ECC-1 in different concentrations. Apoptotic and cytotoxic tests such as single cell gel electrophoresis assay (comet assay), DNA fragmentation laddering, acridine orange test for DNA damage, and ELISA for apoptotic measurement was performed. We also gauged the oxidative status by evaluating total antioxidant status (TAS) and total oxidant status (TOS). Oxidative stress index (OSI) was calculated too. As a result [L(BF2)(2)] has been found to have a marvelous effect on ECC-1 cells, especially in damaging their DNA and cause a series of reactions lead to apoptosis. Taken together, it suggests that the [L(BF2)(2)] complex can induce the apoptotic pathway of endometrial cancer cells and is a possible candidate for future cancer treatment studies.
Assessment of the Serum Paraoxonase Activity and Oxidant/Antioxidant Status in Patients With Recurrent Aphthous Stomatitis
(Wiley, 2013) Bilgili, Serap Gunes; Ozkol, Halil; Takci, Zennure; Ozkol, Hatice Uce; Karadag, Ayse Serap; Aslan, Mehmet
ObjectivesSeveral studies have indicated that recurrent aphthous stomatitis (RAS) is associated with oxidative stress. The aim of this study was to investigate serum paraoxonase (PON) activity and oxidant/antioxidant status in patients with RAS. Design and methodsThirty-one patients with RAS and 31 healthy controls were enrolled. Serum PON1 and arylesterase activities, total antioxidant capacity, total oxidant status, and oxidative stress index were determined. ResultsSerum total antioxidant capacity levels, PON1, and arylesterase activities were significantly lower in RAS than controls (P<0.001), while total oxidant status levels andoxidative stress index were significantly higher (P<0.001). PON1 activity had a significant correlation with high-density lipoprotein cholesterol only (r=0.482, P<0.05),while there were no correlations with other lipids (P>0.05) in patients with RAS. ConclusionsOur results indicate that RAS is associated with decreased PON1 activity and increased oxidative stress that plays a crucial role in the pathogenesis of RAS. Further studies on a larger number of patients are needed to verify these results.
Association of Demodicosis With Acne Rosacea
(Professional Medical Publications, 2010) Cengiz, Tas Z.; Yilmaz, Hasan; Akdeniz, Necmettin; Cicek, Mutalip; Ozkol, Halil; Calka, Oemer
Objectives: Demodex spp of humans are encountered frequently all over the world. The role of these parasites is controversial in the causation of skin diseases. This study was carried out to determine the prevalence and the association of Demodex spp with acne rosacea. Methodology: The study was conducted between the years of 2005-2008 in the output clinic of Dermatology and Parasitology Laboratory of Health Research and Training Hospital of Yuzuncu Yil University. One hundred two patients (patient group) composing of 59 females and 43 males with acne rosacea and randomly selected 50 healthy subjects (control group) were examined for Demodex spp. Twenty seven patients were under the age of 35, and 75 patients were aging 35 years old and over. Samples were plucked out from surface of nose and forehead of patients with acne rosacea and healthy subjects by standardized surface skin biopsy (SSSB) method in the Laboratory. The preparations prepared in Hoyer solution were examined under 4X and 10X objectives of light microscope. Results: The detected parasites were higher in the patient group with acne rosacea (67.65%) than the control group (6%), in females (76.27%) than males (55.81%) and in patients aging 35 years old and over (74.67%) than the patients under 35 years of age (48.15%). Significant relationships were detected between acne rosacea and demodicosis, sex and demodicosis, and age and demodicosis (p<0.001, p<0.05 and p<0.05, respectively). Conclusion: It was concluded that there is a relationship between the demodicosis and acne rosacea, and dermatologists should take into consideration the Demodex spp. in the etiology of acne rosacea.
Attenuation of Uvc-Induced Toxicity by Linum Usitatissimum L Oil in Rats: Monitoring of Some Hematological and Biochemical Constituents
(Parlar Scientific Publications (p S P), 2011) Ozkol, Halil; Tuluce, Yasin; Koyuncu, Ismail
The aim of this study was to investigate the protective effect of Linum usitatissimum L. seed oil (LUSO) against ultraviolet C (UVC) exposure through monitoring some hematological and biochemical constituents of rats. For this purpose, rats were divided into three groups: control, UVC and UVC+LUSO. The rats of UVC and UVC+LUSO groups were subjected to UVC during 1 h twice a day for 4 weeks. LUSO (4 ml/kg b.w.) was given to rats of UVC+LUSO group by gavage before each irradiation period. Results showed that lipase and cholesterol levels were markedly higher in UVC group than control. Lipase decreased significantly, and cholesterol diminished slightly with combined treatment of UVC and LUSO. While the level of red cell distribution width (RDWc) decreased in UVC group, it increased significantly after LUSO supplementation. Apart from that, calcium and monocyte levels increased markedly in UVC+LUSO group compared with control and UVC groups. Significant decreases were determined in amounts of white blood corpuscles and lymphocytes as well as an increase was observed in monocyte percentage of UVC+LUSO group compared to control. This investigation showed that treatment of LUSO with UVC supplied relative protection against UVC injury and perfected some blood parameters significantly, even when compared with control group.
Beneficial Influence of Topical Extra Virgin Olive Oil Application on an Experimental Model of Penile Fracture in Rats
(Sage Publications inc, 2015) Gunes, Mustafa; Ozkol, Halil; Pirincci, Necip; Gecit, Ilhan; Bilici, Salim; Yildirim, Serkan
Penile fracture (PF) is known as a traumatic rupture of the tunica albuginea of corpus cavernosum. In this study, we aimed to investigate the healing influence of topical extra virgin olive oil (EVOO) on PF through evaluating levels of some oxidative stress biomarkers for the first time. Histopathological evaluation was also realized. A total of 18 male Sprague-Dawley albino rats were divided into three groups of six rats each as control group, in PF (alone) group, and PF + EVOO group. Experimental PF was formed via incising from the proximal dorsal side of the penis in the rats of all groups except control. While in PF (alone) group, fracture was formed and the incision was primarily closed, in PF + EVOO group in addition to foregoing processes, EVOO was also administrated topically twice a day for 3 weeks. At the end of the experiment, all rats were killed and penectomy was carried out. While malondialdehyde, myeloperoxidase, lipid hyroperoxide, and total oxidant status significantly (p < 0.05) increased, reduced glutathione and total free sulfhydryl groups markedly (p < 0.05) decreased in PF (alone) group when compared with PF + EVOO group. Levels of these parameters were reversed to nearly normal values by topical EVOO application. Protection by EVOO is further substantiated via the improved histological findings in PF + EVOO group as against degenerative changes in the rats of PF (alone) group. Our data revealed that EVOO has protective effect in penile cavernosal tissue through probably its antioxidant, free radical defusing, anti-inflammatory, and antimicrobial effects.
A Benzimidazolium Salt Induces Apoptosis and Arrests Cells at Sub-G1 Phase in Epithelial Ovarian Cancer Cells
(Springer, 2024) Akar, Sakine; Cakir, Mustafa; Ozkol, Halil; Akkoc, Senem; Ozdem, Berna
BackgroundOvarian cancer, also known as a silent killer, is the deadliest gynecological cancer in women worldwide. Epithelial ovarian cancers constitute the majority of ovarian cancers, and diagnosis can be made in advanced stages, which greatly reduces the likelihood of treatment and lowers the survival rate. For the treatment of epithelial ovarian cancers, the search for synthetic agents as well as agents of natural origin continues. The effects of 1-(2-cyanobenzyl)-3-(4-vinylbenzyl)-1H-benzo[d]imidazole-3-ium chloride (BD), a benzimidazole derivative, were investigated on epithelial ovarian cancer cells.Methods and resultsIn our study, the effects of BD on proliferation, colony formation, cell death by apoptosis and the cell cycle in A2780 and A2780 Adriamycin (ADR) ovarian cancer cell lines were investigated. Proliferation was examined with cell viability analysis, colony formation and apoptosis with Annexin V staining and cell cycle analyses with PI staining, respectively. As a result of the analyses, BD inhibited cell proliferation and colony formation, induced apoptosis and cell death at 48 h in A2780 and A2780 ADR cells at 10.10 and 10.36 mu M concentrations, respectively. In addition, A2780 and A2780ADR cells were arrested in the Sub-G1 phase of the cell cycle.ConclusionsBD suppresses cancer cell progression by showing antiproliferative effects on ovarian cancer cells. Further analyses are required to determine the mechanism of action of this agent and to demonstrate its potential as a suitable candidate for the treatment of epithelial ovarian cancer.
A Benzimidazolium Salt Induces Apoptosis and Arrests Cells at Sub-G1 Phase in Epithelial Ovarian Cancer Cells (Vol 51, 66, 2024)
(Springer, 2024) Akar, Sakine; Cakir, Mustafa; Ozkol, Halil; Akkoc, Senem; Ozdem, Berna
A Biochemical Study on the Protective Potential of Centaurium Erythraea L. in Rats at Acute Aspirin Exposure
(Parlar Scientific Publications (p S P), 2011) Ozkol, Halil; Tuluce, Yasin; Koyuncu, Ismail; Balahoroglu, Ragip
The aim of this study was to determine protective effect of Centaurium erythraea L. on rats exposed to aspirin (ASA). The protective influence of the 50% aqueous-ethanolic Centaurium erythraea L. extract (AECE) (100 mg/kg body weight) was investigated in rats exposed to a single dose of 200 mg/kg body weight ASA administration. Twenty-one Sprague-Dawley albino rats were distributed into three groups equally (n=7) as follows: A (control), B (only ASA-treated) and C (ASA+AECE-treated) group. At the end of 4 h ASA administration to groups B and C, some serum biochemical constituents were assigned and compared between the groups. Results showed that levels of aspartate aminotransferase, alanine aminotransferase, creatinine and potassium increased in group B compared with the control group, but they were decreased significantly with AECE supplementation. While lipase activity decreased only in group B, level of uric acid decreased both in groups B and C compared with control group. In conclusion, the current trial has shown that treatment of AECE with ASA supplied relative protection against acute ASA toxicity through ameliorating some blood parameters.
Calendula Officinalis L. Ameliorates Levels of Some Blood Constituents and Body Weight Loss in Passive Cigarette Smoke Exposure of Rats
(Parlar Scientific Publications (p S P), 2011) Ozkol, Halil; Tuluce, Yasin; Koyuncu, Ismail
The aim of this study was to investigate the protective effect of Calendula officinalis L. (CO) on rats exposed to cigarette smoke (CS). For this purpose twenty one albino male Sprague Dawley rats were randomly divided into three groups as control, CS and CS+CO. The rats of the CS and CS+CO groups were subjected to CS during 1 h twice a day for 23 days. CO (100 mg/kg body weight) was given to the rats of the CS+CO group by oral gavage one hour before each administration period. Protective effect of CO was detected by comparing some serum biochemical parameters and mean body weight changes of groups. While aspartate aminotransferase (AST), lactate dehydrogenase (LDH) and creatine phosphokinase (CK) levels of CS group increased, amylase and lipase decreased significantly compared to control. AST, LDH and CK levels reversed to nearly their control group values by CO supplementation. There was a significant reduction in the HDL level of the CS group compared to control. But its level increased markedly in the CS+CO group. With regard to calcium, its amount escalated significantly in the CS and CS+CO groups compared with control. Administration of CO caused an amendment in the body weight loss. In conclusion, this study revealed that CO could relatively combat the hazardous effects of CS and thus may help to reduce development risk of some disorders related to CS.
Chronotypes and Oxidative Stress: Is There an Association
(Taylor & Francis Ltd, 2012) Selvi, Yavuz; Ozkol, Halil; Tuluce, Yasin; Besiroglu, Lutfullah; Ozdemir, Pinar Guzel
Human studies suggest that free radicals and antioxidant enzymes can alter according to age, lifestyle, environment, and habits. Individuals having a marked circadian preference, that is, morning type or evening type, differ on a number of psychological, behavioral, and biological variables. The aim of this study was to determine whether chronotype impacts some parameters of oxidant and antioxidant status. For this purpose, glutathione peroxidase (GSH-P-x), superoxide dismutase (SOD), and myeloperoxidase (MPO) activities and the levels of reduced glutathione (GSH) and malondialdehyde (MDA) were measured in 96 healthy volunteers (including 32 morning-type, 32 intermediate-type, and 32 evening-type individuals), aged between 21 and 26 years. There were no significant relationships between the chronotypes with regard to oxidant and antioxidant parameters. Our results indicated that the levels of GSH and MDA as well as the activities of GSH-P-x, MPO, and SOD were not influenced by the individual circadian differences in our sample. These results were discussed using the theoretical concepts of age-related factors, and suggestions for further research presented.
Comparison of Superoxide Dismutase, Glutathione Peroxidase and Adenosine Deaminase Activities Between Respiratory and Nocturnal Subtypes of Patients With Panic Disorder
(Karger, 2012) Ozdemir, Osman; Selvi, Yavuz; Ozkol, Halil; Tuluce, Yasin; Besiroglu, Lutfullah; Aydin, Adem
Objective: There is mounting evidence indicating that oxidative and inflammatory processes may have an important role in the pathogenesis of panic disorder (PD). PD is a heterogeneous disease, and panic attacks are divided according to the different symptom clusters as respiratory, nocturnal, non-fearful, cognitive, or vestibular subtypes. The aim of this study was to compare whole-blood and serum superoxide dismutase (SOD), glutathione peroxidase and adenosine deaminase activities in PD patients with/without nocturnal, respiratory subtypes and healthy subjects. Methods: The study was conducted including 60 patients with PD and 30 healthy control subjects. The Panic Attack Symptom Checklist, Panic and Agoraphobia Scale, Hamilton Depression Rating Scale and Hamilton Anxiety Rating Scale were administered to the patients. Biochemical analyses were performed after all the blood samples were collected. Results: We found that whole-blood SOD and glutathione peroxidase activities of patients were significantly lower and adenosine deaminase activities of patients were higher than those of healthy controls. There were no statistically significant differences between respiratory and nocturnal subtypes. In addition, there were no marked relationships between the duration of illness and panic-agoraphobia scores of patients with nocturnal subtypes. Hamilton Depression Rating Scale and Hamilton Anxiety Rating Scale scores of patients with the nocturnal subtype were markedly higher than those of patients without the nocturnal subtype. Conclusion: The results suggest that oxidative and inflammatory processes may play a role in the pathophysiology of PD. These findings may support the idea that both nocturnal and respiratory subtypes of PD have different symptom clusters of the same disease. Copyright (C) 2012 S. Karger AG, Basel
Determination of Some Antioxidant Activities and Oxidative Stress Leves in Patients With Lip and Oral Cavity Cancer
(2022) Belli, Şeyda; Ozkol, Halil; Demır, Halıt; Aslan, Ali; Mer, Ali Hussein; Demir, Canan
Squamous cell carcinomas constitute the majority of oral cavity tumors. Poor oral hygiene, smoking, chronic irritation and alcohol consumption are counted as etiological factors. In study, it was aimed to determine oxidative stress levels and some antioxidant activities such as superoxide dismutase (SOD), reduced glutathione (GSH) and catalase (CAT) in cancer of the lip and oral cavity. Malondialdehyde (MDA) levels, SOD, GSH and CAT activities were measured using the spectrophotometric method. The results showed that SOD, CAT and GSH levels decreased significantly in the patient group (p<0.05), while MDA levels increased significantly (p<0.05). Lack of antioxidants can increase the development of oral and lip cancers.
Development of Phytophotodermatitis in Two Cases Related To Plantago Lanceolata
(Taylor & Francis Ltd, 2012) Ozkol, Hatice Uce; Akdeniz, Necmettin; Ozkol, Halil; Bilgili, Serap Gunes; Calka, Omer
Plantago lanceolata, also known as snake's tongue, is a perennial herbaceous plant from the family Plantaginaceae. It is a species widely distributed both in Turkey and all over the world. Today, its fresh leaves are still used to soothe and suppress cough, externally for wound healing and draining abscesses. Phytophotodermatitis (PPD) is a dermal photosensitive reaction induced by the contact to or oral intake of a plant and subsequent exposure to sunlight. Its acute course is called phototoxic. In this paper, two cases developed phototoxic reaction with the consumption of Plantago lanceolata and subsequent exposure to the sunlight. These cases were presented since such effect of the plant has not been known previously and there is no resembling case in the literature.
The Effect of Anti-Ccp Antibodies on Synovial Fluid Oxidant and Anti-Oxidant Activities in Patients With Rheumatoid Arthritis
(Oxford Univ Press, 2011) Ediz, Levent; Tuluce, Yasin; Ozkol, Halil; Hiz, Ozcan; Gulcu, Elif; Toprak, Murat
The Effects of Oral Supplementation of Carvacrol on Autophagy and Epithelial To Mesenchymal Transition Regulation in Uv-Induced Skin Damage
(Taylor & Francis Ltd, 2025) Alvur, Ozge; Ozkol, Halil; Altindag, Fikret; Ozkol, Hatice Uce; Evyapan, Gulsah; Akar, Sakine
ObjectiveThe skin is the biggest organ of the body being most exposed to UV radiation (UVR). Many skin diseases may develop due to UV exposure. Thus, it is extremely important to reveal molecules that can prevent these diseases.Material and methodCarvacrol (CVC), a liquid phenolic monoterpenoid is found in thyme and some plants related to thyme. In our study, for the first time in the literature we aimed to determine the effects of CVC on autophagy and Epithelial to Mesenchymal Transition (EMT) mechanisms in skin damage of rats exposed to combined UVA and UVB radiation. For this purpose, twenty-eight rats were divided into four groups: I (Control), II (CVC alone), III (UVA + UVB), IV (UVA + UVB + CVC). While UVA + UVB was applied without any treatment in Group III, this application was performed with CVC support in Group IV. As for the animals in Group II, only carvacrol was given. On the 30th day of the trial, expression of certain genes playing a role in autophagy and EMT pathways were evaluated at mRNA and protein level by qRT-PCR and immunohistochemical staining in the shaved back skin tissues of rats.ResultsBased on our results, it can be concluded that CVC may prevent autophagic cell death by suppressing autophagy and it might support the wound healing process by inducing EMT in UV-induced skin damage. The molecular mechanisms of the effect of CVC on autophagy and EMT mechanisms should be clarified in further studies.
Evaluation of the Relationship Between Adenosine Deaminase, Myeloperoxidase, Cholinesterase, Preeclampsia Severity, and Neonatal Outcomes
(informa Healthcare, 2012) Kurdoglu, Zehra; Ozkol, Halil; Kurdoglu, Mertihan; Kamaci, Mansur
We aimed to evaluate whole blood adenosine deaminase (ADA), myeloperoxidase (MPO), butyrylcholinesterase (BChE), and acetylcholinesterase (AChE) activities and to investigate whether there was a correlation between these enzymes and severity of preeclampsia and neonatal outcomes. Sixty-one pregnant women with mild (n = 31) or severe (n = 30) preeclampsia and 50 healthy controls were included in this study. Whole blood adenosine deaminase, myeloperoxidase, butyrylcholinesterase, and acetylcholinesterase activities were measured. Adenosine deaminase and myeloperoxidase activities were significantly higher in both mild and severe preeclamptic women than they were in the controls. There was also a significant difference between the severe and the mild preeclamptic groups with respect to these enzyme activities. Although BChE activity was lower in the severe preeclamptic women than it was in the healthy controls (P < .05), AChE activity was similar in all groups (P > .05). We noted an inverse correlation between ADA activity and birth weight (r = -0.337) (P < .05) and between MPO activity and Apgar scores at 1 and 5 minutes (r = -0.438 and r = -0.475, respectively, P < .01). We concluded that elevated ADA and MPO but not AChE activities may correlate with disease severity and neonatal outcomes in preeclamptic women. Further studies are needed to elucidate the exact roles of ADA and MPO in the pathophysiology of preeclampsia.
Evaluation of the Relationship of Il-17a and Il-17f Gene Polymorphisms With the Response To Treatment in Psoriatic Patients Using Biological Drugs: a Case-Control Study in Patients in Eastern Turkey
(Termedia Publishing House Ltd, 2021) Ozkol, Hatice Uce; Gorgisen, Gokhan; Ates, Can; Ozkol, Halil; Tuluce, Yasin; Savas, Hulya; Gulacar, Ismail Musab
Introduction: IL-17A and IL-17F cytokines have important roles in the pathogenesis of psoriasis. Aim: To examine the associations of IL-17A rs2275913 and IL-17F rs763780 variants with the development of psoriasis and whether these polymorphisms affect the responsiveness of biological agents. Material and methods: In our case-controlled study, which included 83 psoriatic patients who were treated with different biological agents and 69 healthy controls, we genotyped IL-17A rs2275913 and IL-17F rs763780 variants using TaqMan probes. Results: We did not observe statistically significant changes in genotype frequencies of IL-17A rs2275913 (p = 0.922) and IL-17F rs763780 (p = 0.621) variants between patient and control groups. Although we did not find any association between these polymorphisms and the development of psoriasis, statistical analyses showed that individuals with the IL-17A AA genotype had shorter disease duration (9.09 +/- 6.82, p = 0.020) and AA genotype frequency was higher in patients who used single conventional treatment (34.6%; p = 0.025). IL17A/rs2275913 variant in terms of disease duration, it was observed that individuals with AA genotype had a shorter disease duration (less than 10 years) (p = 0.009). For patients with PASI90 and PASI100 response, the IL-17A AA genotype was significantly higher (p = 0.015). On the other hand, we did not detect any statistically significant correlation between variants and response to biological agents. Conclusions: According to our results, we may suggest that rs2275913 variant seems to be associated with disease duration, use of single conventional treatment and responsiveness of PASI90 and PASI100 however both variants have no effect on the susceptibility to psoriasis in the population of Eastern Turkey.