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1.
Folia Biol (Praha) ; 58(6): 256-60, 2012.
Article in English | MEDLINE | ID: mdl-23438852

ABSTRACT

Acute pancreatitis is an initially localized inflammation of the pancreatic gland. The precise mechanisms by which aetiological factors induce acute pancreatitis are not yet known, but when initiated, common inflammatory pathways seem to be involved, with cytokines being their components of major importance. The inducible nitric oxide synthase gene (iNOS) encodes an enzyme involved in the pathway of reactive oxygen species and induced in response to infection, cytokines. iNOS is capable of generating large quantities of nitric oxide produced during inflammation. The objective of this study was to investigate the association between acute pancreatitis risk and iNOS polymorphisms. The studied single-nucleotide polymorphisms (SNPs) were Ser608Leu, resulting in an amino acid substitution, and 1173C/T and 954G/C, both in the gene promoter region that is linked to increased enzyme expression, leading to higher NO production. The genotypes for the three SNPs were determined in 93 patients with acute pancreatitis and 60 controls without pancreatitis or cancer that were matched for age and gender. Data analysis was done by conditional logistic regression. It was found that the Ser608Leu polymorphism was more frequent among cases with acute pancreatitis compared to controls (OR = 2.88; 95% CI: 1.49-5.57; P = 0.002), although no individually statistically significant associations for the other SNPs studied were detected. We suggest that iNOS Ser608Leu can be used as a marker to define the risk of acute pancreatitis.


Subject(s)
Amino Acid Substitution/genetics , Genetic Predisposition to Disease , Nitric Oxide Synthase Type II/genetics , Pancreatitis/enzymology , Pancreatitis/genetics , Polymorphism, Single Nucleotide/genetics , Acute Disease , Aged , Case-Control Studies , Female , Gene Frequency/genetics , Humans , Male , Middle Aged , Risk Factors
2.
Ulus Travma Derg ; 7(1): 22-7, 2001 Jan.
Article in Turkish | MEDLINE | ID: mdl-11705168

ABSTRACT

Despite progress in the management of esophageal perforations by early diagnosis, antibiotics, monitoring, and respiratory and nutritional support, it still remains as a disasterous condition. The most common cause of esophageal perforation is iatrogenic disruption. The result in the management of esophageal perforation is influenced by several factors: localization and size of the rupture, length of delay in diagnosis, age, extent of mediastinal and pleural contamination, the presence of underlying esophageal diseases, and inflammation or tumor at the perforation localization. In this study, 7 cases of esophageal perforations in the last six years have been analysed retrospectively. In study group, there were 5 males and 2 females, and the mean age was 36 (12-75). The most common cause of perforation was gunshot injury (3 cases), and stab wound (1 case), foreign body (1 case), iatrogenic distruption (2 cases). Three patients died and four patients were discharged from hospital with recovery. Esophageal perforation is a life-threatening condition. Early diagnosis and repair reduces the morbidity and mortality.


Subject(s)
Esophageal Perforation/etiology , Esophagus/injuries , Iatrogenic Disease , Adolescent , Adult , Aged , Child , Esophageal Perforation/complications , Esophageal Perforation/diagnosis , Esophageal Perforation/therapy , Female , Foreign Bodies/complications , Humans , Male , Middle Aged , Retrospective Studies , Rupture/diagnosis , Rupture/etiology , Rupture/therapy , Time Factors , Treatment Outcome , Wounds, Gunshot/complications , Wounds, Gunshot/diagnosis , Wounds, Gunshot/therapy , Wounds, Stab/complications , Wounds, Stab/diagnosis , Wounds, Stab/therapy
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