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Biomedical subjects

E V Smirnov

Publications and source records attributed to E V Smirnov.

At least 19 recordsLinked to original sources
PubMed1995

[Yersinia pestis superoxide dismutase].

Superoxide dismutases with molecular weight of 65-67 and 200 kD have been identified in Yersinia pestis EV cells. These enzymes have some differences in antigenic specificity, resistance to heating and inhibitors (cyanides and hydrogen peroxide). The activity of Y. pestis superoxide dismutase is a thermoinducible sign unassociated with the presence of residual plasmids of the bacilli. Superoxide dismutase can be released from the cells into liquid culture medium. Patients inoculated with live plaque vaccine develop a humoral response to high molecular-weight superoxide dismutase. Immunization of guinea pigs with purified high molecular-weight superoxide dismutase ensures their specific protection after subcutaneous injection.

Animals↗
PubMed1991

[Connection of outer membrane protein composition in Yersinia pestis cells with intrinsic plasmids].

A set of isogenic derivatives of Yersinia pestis EV strain was obtained including the variants harbouring the different compositions of Yersinia own plasmids. The protein profiles of outer membranes of the set of strains were defined. The polyacrylamide gel electrophoresis has shown the small 6.1 Md plasmid to code an outer membrane protein with mol mass 29 kDa, different from pesticin I, while the heavy 60.0 Md plasmid encodes the 15-16 kDa polypeptide different from monomers of F1 and T-antigens of plague microbe.

Antigens, Viral↗
PubMed1990

[Localization of the structural gene for botulinum neurotoxin type A using synthetic DNA probe for neurotoxin light chain].

To obtain the information on the genetic control of toxin production in the botulism causative agents, the oligonucleotides were synthesized as the molecular probes by translation of the amino acid sequence of the botulinic type A neurotoxin. The optimal conditions for hybridization of botulinic DNA with the synthetic DNA probes were determined and the probes specificity was demonstrated. The DNA fragments homologous to the probes used were shown to belong to bacterial genome, but not to bacteriophage one.

Amino Acid Sequence↗
PubMed1978

[Principles of optimization and scaling of certain processes in the vaccine production technology. 3. Method of determination of the optimal method of thermal sterilization of sugar solutions].

One of the most widespread methods of thermal sugar sterilization is the use of saturated water vapour under pressure in the capacity of heat source. Guaranteed sterility of solutions should be reached under conditions providing the least sugar splitting. However, in practice the integral effect of the thermal field on the solution is as a rule not taken into consideration. A new calculation method permitting to determine the amount of sugar split in the varying thermal field.

Carbohydrates↗
PubMed1976

[Assessment of the findings of fibrogastroscopy with gastrobiopsy and determination of hexokinase activity in the serum and gastric juice of stomach ulcer patients].

To compare the results of fibrogastroscopic study and to determine the activity of hexokinase (HK) in gastric juice 113 persons were examined 89 of them having ulcerous disease. The control group comprised 24 healthy individuals. The data obtained indicated that in the control group the activity of HK was not found in any portion of the gastric juice. In patients with ulcerous disease the presence of the enzyme was noted in 36 of 89 subjects. In two of them malignant transformation of the ulcer was observed. Patients with gastric ulcer, who show HK activity in any gastric juice portion, seem to be assessed as gastric cancer high-risk group.

Adult↗