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    The Effects of Interferon ?2b on Chemically-induced Peritoneal Fibrosis and on Peritoneal Tissue MMP-2 and TIMP-2 Levels in Rats
    (Field House Publishing Llp, 2010) Ucar, E.; Borazan, A.; Semerci, E.; Binici, D. N.; Yaldiz, M.; Aysal, A.; Altug, E.
    This study investigated the effect of interferon alpha 2b on chlorhexidine gluconate (CH)-induced peritoneal fibrosis (PF) in rats and assessed peritoneal tissue levels of metalloproteinase (MMP)-2 and tissue inhibitors of metalloproteinases (TIMP)-2. Wistar albino rats (n = 8 per group) were treated as follows: control group, 3 ml/day of 0.9% saline intraperitoneally for 28 days; CH group, 0.1% CH (200 g [3 ml]/day) in 15% ethanol and 0.9% saline intra-peritoneally for 28 days; CH + interferon (IFN) group, CH (as above) plus pegylated IFN-alpha 2b 1.5 mu g/kg per week subcutaneously on days 0, 7, 14, 21 and 28; IFN group, pegylated IFN-alpha 2b (as above). Parietal peritoneum samples were obtained from the left anterior abdominal wall after 35 days. Parietal thickness, degree of vascular proliferation and inflammation, and MMP-2 and TIMP-2 levels were determined. The mean peritoneal thicknesses of the control, CH, CH + IFN and IFN groups were 7.02 +/- 3.89, 156.86 +/- 29.13, 59.88 +/- 22.1, 9.27 +/- 2.03 mu m, respectively. Pegylated IFN-alpha 2b decreased CH-induced expression of MMP-2 in the parietal peritoneum, but had no effect on TIMP-2 levels. Further studies are needed to determine the optimal dosage and duration for pegylated IFN-alpha 2b treatment.
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    The Relationship between Mortality and Inflammation in Patients with Gastrointestinal Bleeding
    (Sage Publications Ltd, 2009) Koseoglu, Z.; Ozkan, O. V.; Semerci, E.; Aslan, A.; Yetim, I.; Ucar, E.; Kuvandik, G.
    The objective of this study was to investigate the association between mortality and inflammation in patients who were admitted to the emergency room with gastrointestinal bleeding. Patients (n = 96) managed at two medical centres were included in the study. Initial levels of serum C-reactive protein (CRP), haemoglobin and albumin, and leucocyte and thrombocyte counts for 28 patients who died were compared with those for the 68 patients who survived and were successfully discharged. The data were analysed using the chi(2)-test. Serum levels of CRP and leucocyte counts were significantly higher, and albumin and haemoglobin were significantly lower in patients who died compared with patients who survived. The increased levels of serum CRP and leucocyte counts, and decreased levels of albumin and haemoglobin were found to be independent risk factors for mortality. It is concluded that increased serum CRP levels and leucocyte counts combined with decreased albumin and haemoglobin levels on admission to the emergency room may be used as predictive factors of mortality in patients with gastrointestinal bleeding.