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At least 145 records · Page 8Linked to original sources
PubMedDate not supplied

[Epidemiological study of salmonelloses in the Moldavia area].

A study was carried out on the epizooto-epidemiologic potential of certain domestic and wild animal species (cold-blooded), of the environment (residual waters) and food products, and their role in maintaining Salmonella endemics (others than the typhoid-parathyphoid group). Account was kept of the incidence of Salmonella and its circulation in subjects exposed to occupational risks and in the mass of the population, including those with clinically manifest salmonellosis and the clinically healthy carriers. The results showed the importance of domestic animals in maintaining the endemic (fowl 15%, swine 10%, bovine 5%). The isolated serotypes were identical to those found in residual eaters, in patients and in carriers. The sensitivity test to antibiotics revealed resistance to more than two antibiotics in 65%, except for the strains isolated from reptiles. Reorganization measures appear necessary in order to restrict the circulation of Salmonella in farm animals and to reduce the risks of infection in humans.

Animals↗
PubMed1994

[Molecular-genetic analysis of certain mutations of the "cystic fibrosis gene" in Moldavia. Characteristics of molecular markers and their linkage with various mutations].

Sixty-one patients with cystic fibrosis (CF) from Moldova were tested for mutations delta F508, G551D, and R553X. Frequencies of various alleles of the repeated GATT sequence in intron 6B of the CFTR gene, their linkage to other polymorphic markers, and various mutations were determined. The frequency of occurrence of mutation delta F508 was only 25%. An absolute majority of CF patients (80%) had pancreatic insufficiency. Mutations G551D and R553X were not found in our sample. Each of 31 chromosomes with mutation delta F508 carries the 6-GATT allele. Most "non delta F508" (78%) and normal (80%) chromosomes were marked by 7-GATT allele. Twenty-seven delta F508 chromosomes (96.4%) belong to haplotype B6, and only one to D6. Most chromosomes with "non delta F508" mutations are associated with haplotypes D7 (26.3%) and C7 (21%). In addition, a significant portion of chromosomes from this subgroup were associated with haplotypes A7 (23.7%), A6 (10.5%), and C6 (2.7%), which are not yet described for mutant chromosomes. The results obtained demonstrate that CF in Moldova is mainly associated with mutations other than delta F508, G551D, and R553X. Severe forms of the disease, with pancreatic insufficiency, are more frequently caused by these mutations; moreover, our data provides strong evidence about the presence of at least seven additional CF mutations in Moldova, apart from delta F508, G551D, and R553X. Some of these are probably not described.

Base Sequence↗
PubMedDate not supplied

[The incidence of HBsAg in different population groups of Moldavia in 1991 compared to 1973].

AgHBs incidence in various population groups from the Iaşi region was relatively high in 1991, ranging from 3.8% in blood donors to 75.0% in patients with severe acute virus hepatitis. As compared to the incidence values recorded in 1973, 18 years ago, in the population of the same territory, some mutations were observed, the most important being the more then threefold reduction of the AgHBs incidence in blood donors. In subjects with liver diseases and in risk groups, the frequency of AgHBs carriers maintains at a high level.

Adult↗
PubMedDate not supplied

[Incidence of HBsAg among different population groups in Moldavia in 1991 compared with 1973].

AgHBs incidence in various population groups from the Iassy region was relatively high in 1991, ranging from 3.8% in blood donors to 75.0% in patients with severe acute virus hepatitis. As compared to the incidence values recorded in 1973, 18 years ago, in the population of the same territory, some mutations were observed, the most important being the more then threefold reduction of the AgHBs incidence in blood donors. In subjects with liver diseases and in risk groups, the frequency of AgHBs carriers maintains at a high level.

Adult↗
PubMed1990

[Perinatal infection with hepatitis B virus and the problem of its specific prevention].

The incidence of HBs- and HBe-antigens detection in future mothers was studied in Moscow, Uzbekistan, and Moldavia, and the incidence of hepatitis B (HB) virus transmission from mothers with persisting HBs-antigenemia to their offspring. In reverse passive hemagglutination test, HBsAg was detected in 1.1% of pregnancies in Moscow, in 6.3% of pregnancies in Uzbekistan, and in 5.4% of pregnancies in Moldavia. In these regions, immunofluorescence revealed HBe-antigen in HBsAg carriers in 5.2, 13.9, and 16.3%, respectively. Perinatal infection with HB virus was found in 26.1% of births to HBsAg carriers in Moscow and in 40% in Uzbekistan and Moldavia; in the latter two regions 16.0% and 13.3% of these births were found to become chronic carriers of HBsAg. In the presence of persistence of HBeAg in HSsAg carriers, from 89 to 100% births to these mothers showed the development of durable HBs-antigenemia, while in the presence of anti-HBe such outcome was noted in only 3%. Specific anti-HBs-immunoglobulin administered to infants born to HBsAg carriers exerted a protective effect by reducing the HB virus infection rate in the first 6 months of life, but failed to prevent completely the development of HB virus infection. The necessity of a wide-scale vaccination against HB in order to prevent HB virus infection of neonates is emphasized.

Carrier State↗