نتایج جستجو برای: enteric
تعداد نتایج: 14896 فیلتر نتایج به سال:
Despite the increasing availability of typhoid vaccine in many regions, global estimates of mortality attributable to enteric fever appear stable. While both Salmonella enterica serovar Typhi (S. Typhi) and serovar Paratyphi (S. Paratyphi) cause enteric fever, limited data exist estimating the burden of S. Paratyphi, particularly in Asia and Africa. We performed a systematic review of both Engl...
There are several enteric bacterial diseases and conditions of pigs that require control to prevent overt disease, to reduce morbidity and mortality, and to improve the efficiency of production. Traditionally, veterinarians, feed manufacturers and producers have relied upon antibiotics and minerals (for example, ZnO, CuSO4) in diets for a large part of this control. However, recent trends, part...
After entering the gastrointestinal (GI) tract on the way to their physiological site of infection, enteric bacteria encounter a remarkable diversity in environmental conditions. There are gross differences in the physico-chemical parameters in different sections of the GI tract e.g. between the stomach, small intestine and large intestine. Furthermore, even within a certain anatomical site, th...
The activity of the enzyme tryptophanase in the enteric environment was investigated to elucidate the significance of the enzyme in the metabolism of Escherichia coli. The tryptophanase activity, tryptophan content, and indole concentration as well as the numbers of E. coli were determined in the intestinal and fecal contents of conventional, germ-free, and monocontaminated axenic laboratory mi...
Ulcerative colitis (UC) is a chronic non-specific inflammatory disease affecting the mucosa and the submucosa of the colon, and is characterized by alterations of gut functions which influence the clinical symptoms (Fiocchi, 1998; Reddy et al., 1991; Spriggs et al., 1951). Although reports showed morpho-functional abnormalities of the enteric nervous system in UC patients, the available literat...
There are several enteric bacterial diseases and conditions of pigs that require control to prevent overt disease, to reduce morbidity and mortality, and to improve the efficiency of production. Traditionally, veterinarians, feed manufacturers and producers have relied upon antibiotics and minerals (for example, ZnO, CuSO4) in diets for a large part of this control. However, recent trends, part...
BACKGROUND & AIMS Gastrointestinal motility is regulated by enteric neural circuitry that includes enteric neurons and glia. Enteric glia monitor synaptic activity and exhibit responses to neurotransmitters that are encoded by intracellular calcium (Ca2+) signaling. What role evoked glial responses play in the neural regulation of gut motility is unknown. We tested how evoking Ca2+ signaling in...
BACKGROUND The similar presentations in relapse of inflammatory bowel disease (IBD) and enteric infection pose substantial barriers to diagnosis and treatment. The objective of this study was to investigate the incidence, etiology, predictors, and treatment of enteric infection in patients with IBD. METHODS We reviewed the records of 214 patients with IBD who underwent 295 gastrointestinal pa...
Enteric fever is a systemic infection caused by typhoidal strains of Salmonella enterica and is a significant cause of mortality and morbidity in many parts of the world, especially in resource-limited areas. Unfortunately, currently available diagnostic tests for enteric fever lack sensitivity and/or specificity. No true clinically practical gold standard for diagnosing patients with enteric f...
The similarities between the enteric nervous system of the gut and the central nervous system (CNS), both of which function as complex integrative nervous networks, include striking ultrastructural similarities between the glia of the enteric nervous system and the astrocytic glia of the CNS. In this paper we have determined whether this anatomical resemblance also extends to the molecular leve...
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