| 1. |
- Bilger, R, et al.
(author)
-
THE WASA DETECTOR AT CELSIUS.
- 2000
-
In: Nuclear Physics A. - : Elsevier Science B.V. Holland. ; , s. 1073-1076
-
Conference paper (peer-reviewed)
|
|
| 2. |
|
|
| 3. |
- Koertge, J., et al.
(author)
-
Vital exhaustion and recurrence of CHD in women with acute myocardial infarction
- 2002
-
In: Psychology, Health & Medicine. - : Informa UK Limited. - 1354-8506 .- 1465-3966. ; 7:2, s. 117-126
-
Journal article (peer-reviewed)abstract
- The objective of this study was to investigate the prospective impact of vital exhaustion on recurrence after acute myocardial infarction (AMI) in women. Women ≤ 65 years, mean age = 55.30, SD = 7. 63, N = 110, consecutively admitted to a coronary care unit with AMI were examined after three-six months, and followed for five years. Vital exhaustion was assessed using an early version of the Maastricht Questionnaire. A recurrent event was defined as cardiac death, AMI or a revascularization procedure. Forty-five recurrent events were found (in 41% of the study group). One standard deviation (8.4 points) increase of vital exhaustion scores was associated with a 53 % increased risk of a new event and a score above the median was associated with a hazard ratio of 2.24 (95% CI 1.21-4.14). These results remained after adjusting severity of chest pain and significant coronary stenosis. In conclusion, it was found that vital exhaustion is a marker of poor prognosis in women with AMI. The relationship appears to be independent of signs of underlying disease, including severity of chest pain and significant coronary stenosis.
|
|
| 4. |
- Nilsson, Hans-Olof, et al.
(author)
-
Effect of Cold Starvation, Acid Stress, and Nutrients on Metabolic Activity of Helicobacter pylori.
- 2002
-
In: Applied and Environmental Microbiology. - 0099-2240. ; 68:1, s. 11-19
-
Journal article (peer-reviewed)abstract
- Helicobacter pylori can transform, in vivo as well as in vitro, from dividing spiral-shaped forms into nonculturable coccoids, with intermediate forms called U forms. The importance of nonculturable coccoid forms of H. pylori in disease transmission and antibiotic treatment failures is unclear. Metabolic activities of actively growing as well as nonculturable H. pylori were investigated by comparing the concentrations of cellular ATP and total RNA, gene expression, presence of cytoplasmic polyphosphate granules and iron inclusions, and cellular morphology during extended broth culture and nutritional cold starvation. In addition, the effect of exposing broth-cultured or cold-starved cells to a nutrient-rich or acidic environment on the metabolic activities was investigated. ATP was detectable up to 14 days and for at least 25 days after transformation from the spiral form to the coccoid form or U form in broth-cultured and cold-starved cells, respectively. mRNAs of VacA, a 26-kDa protein, and urease A were detected by using reverse transcription-PCR in cells cultured for 2 months in broth or cold starved for at least 28 months. The ATP concentration was not affected during exposure to fresh or acidified broth, while 4- to 12-h exposures of nonculturable cells to lysed human erythrocytes increased cellular ATP 12- to 150-fold. Incubation of nonculturable cold-starved cells with an erythrocyte lysate increased total RNA expression and ureA mRNA transcription as measured by quantitative real-time reverse transcription-PCR. Furthermore, the number of structurally intact starved coccoids containing polyphosphate granules increased almost fourfold (P = 0.0022) under the same conditions. In conclusion, a specific environmental stimulus can induce ATP, polyphosphate, and RNA metabolism in nonculturable H. pylori, indicating viability of such morphological forms.
|
|
