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At least 37 records · Page 2Linked to original sources
PubMed2002

[A RAPD method acceptable for the analysis of mitochondrial gene expression].

Several techniques are available in detecting variations in gene expression between different samples, such as SSH, RACE, etc. However, they can not be applied to analyze mitochondrial gene expression due to the specific characteristics of mitochondrial RNA. So some modifications were made to the conventional techniques. Here we reported a demonstration of this modified technique, taking rice mitochondria as materials. In this technique, using random hexamers to prime the RT, the resultant cDNA likely included coding regions because it was not locked to the poly(A) tail of the messenger RNA.

English Abstract↗
PubMed1990

[A comparative evaluation of antibiotic-enzyme therapy and of generally accepted methods for treating gonorrhea patients].

The authors analyze the immunity-correcting effect of antibiotic and enzyme therapy in 32 patients with gonorrheal orchidoepididymitis and 31 with gonorrhea relapses and compare it to the results of routine therapy in 60 patients with chronic and complicated gonorrhea. They come to a conclusion that combined administration of proteolytic enzymes and antibiotics more effectively corrects a number of disordered immunity nonspecific defense parameters (blood serum levels of circulating immune complexes and lysozyme).

Anti-Bacterial Agents↗
PubMed1984

[Electrocution of foxes; an ethically acceptable method?].

The routine practice of electrocution of foxes by the Fox final apparatus was observed. The measured current was an average 0.31 (+/- 0.01 s.d.) A, the voltage 111.2 (+/- 18.7) V and the stunning time 3.0 (+/- 0.3) seconds (n = 40). The EEG (electroencephalogram) and the ECG (electrocardiogram) were recorded in 12 foxes. The current was initially applied for 1 sec. Ten foxes showed a general epileptiform insult (= unconscious) which was interrupted by a heart fibrillation, based on the EEG and ECG traces. Two foxes showed a general epileptiform insult while the heart fibrillation was incomplete. These two foxes recovered again. After the second stunning with a duration of about 3 seconds the heart fibrillation was complete in these animals. In the EEG and ECG experiments the voltage was on average 110.0 (+/- 7.9) V, the current 0.40 (+/- 0.11) A and the stunning time 1.1 (+/- 0.3) seconds (n = 12). The observations of the method in practice and the EEG and ECG measurements suggest that electrocution of foxes by the Fox final apparatus is a quick and effective method if the current delivery is at least 3 to 4 seconds.

Animals↗
PubMed1981

Dosimetry disparities resulting from two accepted methods of calibration of cobalt-60 teletherapy machines.

The primary concern of all involved in the management of radiotherapeutic patients is that the tumor dose delivered to each and every patient in one institution is identical to that delivered anywhere else. Despite the advocacy 1,2,3,4 for the calibration of high energy photon beams at 5 cm depth or beyond in a water phantom to reduce the effect of electron "contamination" from collimators, filters, applicators, etc., the "in-air" method of calibration is still in vogue in many institutions in the United States and elsewhere. The introduction of S.I. units in radiology is likely to create ambiguity in proper conversion factors from exposure to absorbed dose which can be avoided if field instruments are calibrated in terms of absorbed dose in water under specified conditions. The present study shows that the estimated error can be as much as 7% low when the "in-air" method of calibration is used instead of measurements in a large water phantom at 5 cm depth for cobalt-60 photon beams and hence recommends that the procedure for "in-air" calibration for high energy photon beam should be discontinued.

Air↗
PubMed2006

Low rates of acceptance of BRCA1 and BRCA2 test results among African American women at increased risk for hereditary breast-ovarian cancer.

PURPOSE: This study evaluated rates of BRCA1 and BRCA2 (BRCA1/2) test result acceptance among African American women and identified determinants of test result acceptance. METHODS: Acceptance of BRCA1/2 test results was evaluated among 157 African American women at high and moderate risk for having a BRCA1/2 mutation who were offered genetic testing as part of a clinical genetic counseling research program. RESULTS: Twenty-two percent of women received BRCA1/2 test results. Test result acceptance differed between women with > or =10% prior probability of having a BRCA1/2 mutation (34%) and those who had a 5% prior probability (8%). Among women with > or =10% prior probability, test result acceptors were most likely to be married (OR = 5.29, 95% CI = 1.82, 15.38, P = 0.002) and be less certain about their risk of developing cancer (OR = 3.18, 95% CI = 1.04, 9.80, P = 0.04). CONCLUSION: These results demonstrate that acceptance of BRCA1/2 test results may be limited among African American women. Being married and having less certainty about one's cancer risk may motivate acceptance of BRCA1/2 test results among African American women. It may be important to emphasize the possibility that BRCA1/2 test results may not clarify cancer risks during pre-test counseling with African American women to ensure informed decision-making about testing.

Adult↗
PubMed2004

Acceptance of chronic pain: component analysis and a revised assessment method.

Acceptance of chronic pain entails that an individual reduce unsuccessful attempts to avoid or control pain and focus instead on participation in valued activities and the pursuit of personally relevant goals. Recent research suggests that pain-related acceptance leads to enhanced emotional and physical functioning in chronic pain patients above and beyond the influence of depression, pain intensity, and coping. In these studies, acceptance was measured using the Chronic Pain Acceptance Questionnaire (CPAQ). Preliminary analyses of the CPAQ have supported its psychometric properties. The present study sought to further refine the CPAQ by examining its factor structure and evaluating the relations of these factors to other indices of pain-related distress and disability. Although a previously demonstrated factor structure of the CPAQ was generally supported, only factors assessing (a) the degree to which one engaged in life activities regardless of the pain and (b) willingness to experience pain had adequate reliability and validity and were significantly related to the other measures of patient functioning. A revised version of the CPAQ is suggested.

Adaptation, Psychological↗
PubMed2006

Semiautomated method for determination of serum paraoxonase activity using paraoxon as substrate.

BACKGROUND: Serum paraoxonase (PON1) is an enzyme associated with HDL, and its ability to protect LDL from oxidation is one mechanism by which HDL protects against atherosclerosis. Low concentrations of PON1 are found in patients with type 2 diabetes or coronary heart disease. Serum PON1 activity may also be important in avoidance of organophosphate toxicity in industry. METHODS: The generally accepted method for determining PON1 activity requires use of a recording spectrophotometer and is not suited to large numbers of samples; in addition, automation presents particular problems because of the extreme toxicity of substrates such as paraoxon. We established a relatively safe microtiter plate method that facilitates the determination of PON1 activity at a rate of 120 samples per hour. RESULTS: PON1 activity was determined by the generally accepted method (x) and the new method (y); results correlated with a slope close to unity (y = 0.93x + 8; r = 0.97; P < 0.0001; n = 101). Examination of differences by Bland-Altman plots showed a weak concentration-dependent difference (r = 0.33; P < 0.0001; n = 101). The intra- and interassay sample CVs, obtained with samples with PON1 activities ranging from 41 to 348 nmol x min(-1) x mL(-1), were 3.5% and 2.7%, respectively (n = 16). CONCLUSION: The proposed method for determination of PON1 activity is simple, relatively safe, and inexpensive and is suitable for analysis of large numbers of samples.

Aryldialkylphosphatase↗
PubMedDate not supplied

[Methods for the euthanasia of experimental animals--the ethics, esthetics and personnel safety].

In this paper there are shown chemical and physical methods of euthanasia of vertebrate animals. All methods are divided into three categories: A) Acceptable methods of euthanasia, B) methods acceptable only for unconscious animals, C) methods that are not acceptable for euthanasia. The acceptability or non-acceptability of the method is determined by ethic or aesthetic conceptions and also by conceptions of the personnel safety and the environment. There is provided a table of acceptable methods of euthanasia. Recommendations of working group of the Federation of Laboratory Animal Science Association (FELASA) were taken into consideration in this paper. The survey can be useful for the experimenters and personnel concerned with laboratory animals.

Animal Technicians↗