Browsing by Author "Sengil A.Z."

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    The effect of zinc supplementation in experimentally induced Toxoplasma gondii infection.
    (1995) Tasçi S.; Sengil A.Z.; Altindis M.; Arisoy K.
    The effect of zinc added diet on cellular immunity in toxoplasmosis was investigated on 50 male wistar albino rats. Total lymphocyte CB8 count were found higher in the infected group when compared to the control group (P < 0.001). The relative increase of CD8 was found to be responsible for the decrease in ratio. In the infected group, there was a slight decrease in CD4 count but it was statistically insignificant. While no significant differences in serum zinc level were observed between the groups, there was a positive correlation with CD8 count in infected group (r = 0.005, P < 0.05). As a result, zinc added diet in toxoplasmosis stimulated the cellular immunity, increased CD8 and total lymphocytes.
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    A comparative study of azithromycin, cephalexin and penicillin V for the treatment of streptococcal pharyngitis and tonsillitis in children; [COCUKLARDA STREPTOKOKSIK FARENJIT VE TONSILLIT TEDAVISINDE AZITROMISIN, SEFALEKSIN VE ORAL PENISILIN VNIN ETKINLIGININ KARSILASTIRILMASI]
    (1996) Ece A.; Iscan A.; Sengil A.Z.; Balkan C.; Cetinkaya Z.
    In this study, clinical and bacteriological efficacies of penicillin V were compared with those of azithromycin and cephalexin. Of 94 children who had group A beta hemolytic streptococcal (GABHS) pharyngitis/tonsillitis, 31 received a single daily. dose of azithromycin (10 mg/kg) for three days, 33 received cephalexin 40 mg/kg/day in three doses for 10 days, 30 received oral penicillin V 50.000 IU/kg for 10 days. At the end of the treatment, bacterial eradication was achieved in 91% of azithromycin-treated patients, 88% of cephalexin-treated patients and 83% of penicillin treated-patients (p > 0.05). Clinical cure rates were 94% in azithromycin group, 91% in cephalexin group and 90% in penicillin group (p > 0.05). At follow-up evaluation (day 30 ± 5) bacteriologic recurrence was observed in 4 patients of azithromycin-treated group (13%), in 6 of cephalexin treated group (18%) and in 6 of penicillin-treated group (20%). The results of this study indicate that oral penicillin V is clinically as effective as azithromycin and cephalexin in the treatment of GABHS pharyngotonsillitis.
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    Evaluation of non-invasive clinical samples in chronic Chlamydial prostatitis by using In situ hybridization
    (Informa Healthcare, 1997) Gümüş B.; Sengil A.Z.; Solak M.; Fistik T.; Alibey E.; Çakmak E.A.; Yeter M.
    Seventy-eight non-invasive prostate specimens collected from patients with chronic non-bacterial prostatitis were evaluated by in situ hybridization (IH) for evidence of Chlamydia trachomatis. Intracellular Chlamydia bodies were detected in 18 of 78 cases (20.6%). Homogeneous blue- black bodies in the cellular cytoplasm were accepted as in situ positive. Chlamydial antigen detected by enzyme immuno assay (EIA) was positive in 12 cases (13.7%), but only nine of them were positive by IH. Our study confirms previous reports implicating C. trachomatis as an aetiological agent in chronic non-bacterial prostatitis, and underscores the applicability of DNA probes for detection and identification of C. trachomatis in prostatic materials.
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    The effects of propofol and thiopentone on natural cytotoxic cell activity; [Tiyopenton ve propofol'un naturel killer hucre aktivitesine etkileri]
    (1998) Luleci N.; Erincler T.; Tekin I.; Sengil A.Z.; Tutan A.
    The effects of thiopentone and propofol on Natural Killer cell activity were studied by the use of candidial colony inhibition method in venous blood samples from healthy volunteers. Following three hours of incubation mean CFU (colony forming unit) was 72.1 in control group while it was 66.3 and 64.1 CFU in samples containing 15 and 150 μL/mL of thiopentone respectively; and 67 and 63.8 in samples containing 5 and 50 μL/mL of propofol respectively. With small doses of propofol and thiopentone colony inhibition was 7% and 8% respectively while high doses leaded higher inhibitions of 11.5% and 11% respectively. It was concluded that a significant increase in anticandidal activity of natural cytotoxic cells is observed with high concentrations of thiopentone and propofol (p<0.01). However, the increase of this activity is not significant in anaesthetic concentrations used in clinical practice.
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    The role of virulent Helicobacter pylori strains in the etiopathogenesis of coronary artery disease; [Virulan Helicobacter pylori suslarinin koroner arter hastaligi etyopatogenezindeki rolu]
    (1999) Yuceyar H.; Saruc M.; Arslan S.; Goksel G.; Ozbakkaloglu B.; Uyanik B.S.; Yigitoglu R.; Sengil A.Z.
    Epidemiological studies have shown a positive correlation between coronary artery disease (CAD) and gastric Helicobacter pylori (H. pylori) infection. The possible mechanism by which H. pylori could increase the risk of CAD is chronic inflammation. More virulent H. pylori strains bearing the cytotoxin associated gene-A (CagA) can induce much more inflammation than CagA negative strains. The aim of our study was to assess the role of virulent H. pylori strains and inflammatory response in the pathogenesis of CAD. We studied 30 patients with CAD, age and sex being matched with 30 controls of similar social class. We determined the presence of H. pylori infection by rapid urease test, histology and serology (anti-H. pylori IgG). CagA status, serum tumor necrosis factor-alpha (TNF-α), gastrin and fibrinogen levels were also studied. The presence of H. pylori infection was statistically equal in CAD group (93.3%) and controls (86.6%)(p = 0.705). Serum CagA titers were 28.13 ± 9.21 U and 18.32 ± 5.8 U in the CAD and control group respectively. Serum TNF-α levels were 15.21 ± 4.30 pg/ml in the CAD group and 5.36 ± 2.41 pg/ml in the control group. Serum CagA and TNF-α levels showed a significant difference between the two groups (p = 0.000). Patients with CAD had a higher prevalence of CagA-positive strains than controls (67.8% versus 42.3%; p = 0.021). The serum gastrin level was higher in CAD but there was no significant difference between two groups (p = 0.379). Fibrinogen levels of the CAD group were significantly higher than those of the control (370 ± 51 mg/ml and 247 ± 43 mg/ml, p = 0.001). Further more, numbers of occluded vessels in CAD patients were positively correlated with both cagA positivity and TNF-α levels. In conclusion, CagA bearing strains of H. pylori may increase the risk of CAD by inducing chronic inflammation and increasing the expression of cytokines and procoagulant substance.