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At least 19 recordsLinked to original sources
PubMed1978

Heterogeneity of glucose-6-phosphate dehydrogenase deficiency in Algeria. Study in Northern Algeria with description of five new variants.

Glucose-6-phosphate dehydrogenase (G6PD) deficiency was found in 3.2% of the male population living in the urban area of Algiers. The deficient subjects originated from multiple geographic regions of Northern Algeria, with prevalence of individuals of Berber-Kabyle origin. Red blood cell G6PD was partially purified and characterized in deficient males from 17 families, and six different variants were found. Among them, only one, the Gd(-) Kabyle variant, had been previously described. It was detected in nine families. The other five variants were new: Gd(-) Laghouat (four cases), Gd(-) Blida (one case), Gd(-) Thenia (one case), Gd(-) Titteri (one case), and Gd(-) Alger (two brothers). Strikingly, the common Mediterranean variant was not found. G6PD deficiency is heterogeneous in northern Algeria where autochtonous variants seem to prevail. The Kabyle variant may be common in this country.

Algeria↗
PubMed1992

[Newcastle disease in Algeria. Study of the pathogenic properties of Newcastle disease virus strains isolated in Algeria].

The Newcastle disease in Algeria: Study of pathogenic properties of the Newcastle disease viral strains isolated in Algeria. The study of pathogenic characters of 14 strains of Newcastle disease virus isolated from 1972 to 1982 was carried out: The following testS were realized: the mean lethal time for the chicken embryo, the pathogenic power index by intravenous way, the pathogenic power index by intracerebral way, the hemagglutination spectrum and the thermal stability of the hemagglutination. In short we can say that these isolated 14 strains are fast-growing.

Algeria↗
PubMed1989

Course of psychosis in Algeria and in France: about 342 cases observed from 1975 to 1985.

The aim of this study was to compare the evolution of psychotic patients in Algeria and in France. In 1975, 105 patients were selected in Algeria and 237 in France. Ten years later, in 1985, all these patients were interviewed. In 1985, we investigated for each subject the evolution of the following parameters: sex, age, DSM-III axis 1 and 5, marital status, social welfare work, and treatment variables. Our results indicate that the improvement of the psychosocial adaptation (DSM-III axis 5) is slightly better in Algeria than in France. Medical and social support seems to be quantitatively less important in Algeria.

Adult↗
PubMed1986

Fulminant viral hepatitis and pregnancy in Algeria and France.

The relationship between fulminant viral hepatitis (FVH) and pregnancy was compared in Algeria and France. This comparison was based on the study of 22 Algerian and 77 French pregnant and non-pregnant women, aged 15 to 49 years, consecutively admitted for FVH to the Centre Hospitalier Universitaire, Constantine, Algeria, or to Hôpital Beaujon, Clichy, France. The observed and expected (calculated from demographic data) percentage of pregnant women was significantly different among the Algerian patients with FVH (45.5% v. 24.9%, P less than 0.03), but not among the French patients (3.9% v. 5.8%). Hepatitis A was the cause of FVH in none of the Algerian patients, but in eight French patients, none of whom was pregnant. Hepatitis B was the cause of FVH in one non-pregnant Algerian patient and in 49 French patients, two of whom (4.1%) were pregnant. Hepatitis non-A, non-B was the cause of FVH in 21 Algerian patients, ten of whom (47.6%, a percentage significantly higher than expected, P less than 0.04) were pregnant, and in 19 French patients, one of whom (5.3%, a percentage similar to that expected) was pregnant. In conclusion, (1) there is a relationship between FVH and pregnancy in Algeria, but not in France, and (2) this difference is mainly or exclusively attributable to infection with a non-A, non-B virus affecting the Algerian population, but which is much less common or absent in France.

Acute Disease↗
PubMed1977

[Glucose-6-phosphate dehydrogenase deficiency in Algeria].

The normal level of G6PD activity of the red cells is 6.6 +/- 1.6 i.u/g Hb in men and 6.9 +/- 1.6 i.u./g Hb in women. The histogram of the distribution in the population is not symmetrical. G6PD deficiency is present in Algeria at the national level of 3% (+/- 0.5). The level is less high in the mountainous areas of arab culture, higher in the berber culture and in the Shara. Numerous new variants have been detected in Algeria. The G6PD deficiency predominating in Algeria is of Kabyle type, followed by Laghouat and El-Qued types. Types A-, A+ and Ibaden Austin of negro origin exist in the Sahara population. The Mediterranean type is not found in the Algerian population. The clinical manifestations are rare.

Algeria↗
PubMed2026

Pilot metaproteomic profiling reveals bacterial diversity and potential medical and veterinary relevance of tick microbiomes in northern Algeria.

Ticks are major ectoparasites and vectors of pathogens affecting humans, livestock, and wildlife. They harbor diverse microbial communities that may influence tick biology and interactions with microorganisms; however, functional information on tick-associated microbiomes remains limited, particularly in North Africa. In this pilot study, we applied a metaproteomic approach based on high-resolution tandem mass spectrometry to characterize bacterial communities associated with three tick species collected in Algeria: Rhipicephalus sanguineus sensu lato, Hyalomma aegyptium, and Hyalomma dromedarii. Peptide spectra were assigned to taxa using a two-step database search strategy based on NCBInr, and bacterial composition and relative abundance were compared across tick species and sampling locations. A total of 40 bacterial genera belonging to 32 families and four phyla were identified. Microbiome composition differed significantly between tick genera and collection locations, suggesting an influence of species-specific and geographical factors on microbial community structure. Dominant genera included Streptomyces, Bacillus, Clostridium, Escherichia, Flavobacterium, Paenibacillus, and Providencia. Peptides related to Coxiella spp. were frequently detected, consistent with previous reports of Coxiella-like endosymbionts in ticks. This pilot study provides a first metaproteomic characterization of tick-associated communities in Algeria. The results reveal species- and location-associated differences in microbial composition and highlight the potential of metaproteomics for exploring tick-associated microbiomes in North Africa.

Animals↗
PubMed1985

[A new enzymatic variant of Leishmania infantum Nicolle, 1908, agent of cutaneous leishmaniasis in northern Algeria].

For the first time, the pathogenic agent of cutaneous leishmaniasis in the North of Algeria has been identified as Leishmania infantum s.1. The parasite was found to be a newly discovered enzymatic variant (zymodeme 24) differing by two electromorphs from a variant isolated in France (zymodeme 11) from the same type of lesion. Until now, the dermotropic zymodemes of Algeria and France have not been seen in cases of visceral leishmaniasis of the Mediterranean Basin.

Algeria↗
PubMed1989

[An unusual genital ulcer in Algeria: soft chancre].

Four cases of soft chancre have been observed in the service of Dermato-Venereology, CHU Tlemcen. Three were contracted in Morroco and one in Algeria. This affection which no long existed in Algeria, has reappeared through tourism.

Adult↗
PubMed1987

[The first finding of Paramphistomum daubneyi (Dinnik, 1962) in beef cattle in Algeria].

The first finding of the causative agent of paramphistomatosis of cattle in the coastal region of Algeria is described. As found on the basis of histological diagnosis, this causative agent is the species Paramphistomum daubneyi (Dinnik, 1962). Lymnaea truncatula was found to be present as a potential intermediate host at the localities where the cattle harbouring these trematodes were kept. It is suggested by the high intensity of invasion by the trematodes (up to 2204 specimens in one host) that the animals suffered from severe helminthosis in some cases. The finding of the causative agent of bovine paramphistomatosis in Algeria draws attention to the need of further investigation of trematodosis in the cattle kept in that country.

Algeria↗
PubMed1985

[Cutaneous leishmaniasis in northern Algeria].

A resurgence of cutaneous leishmaniasis is presently noted in northern Algeria. This form of oriental sore is caused by a parasite belonging to the Leishmania donovani complex. Its epidemiological and clinical characteristics allow distinction with the L. major zoonotic cutaneous leishmaniasis known to occur in the steppe regions of Algeria. Preliminary results of a clinical trial involving the use of ketoconazole, indicate that this drug is rapidly effective.

Adolescent↗
PubMed1990

Investigation of factor VIII:C gene restriction fragment length polymorphisms and search for deletions in hemophiliac subjects in Algeria.

The frequency of alleles for intragenic (intron 17 and intron 25) and extragenic (DXS15 and DXS52) F8C RFLPs was investigated in the Algerian population. Altogether 287 X chromosomes (97 males and 95 females) were studied. The allele frequencies found with the two intragenic F8C RFLPs were not substantially different from those reported in a Mediterranean population. At the highly polymorphic extragenic DXS52 locus the distribution in Algeria differed from that found in France. A new allele (14 kb), called 1 DZ, was found in 3.1% of the chromosomes. Fifty-one families with hemophilia A were studied with the same probes (374 subjects). Of the females, 94% were informative for at least one intra- or extragenic RFLP. Two recombinations were found between DXS52 and F8C, of which one occurred between the DXS15, DXS52 block and F8C, indicating that the two anonymous loci are on the same side of the F8C gene. Only two obvious gene deletions were observed in 73 unrelated hemophiliacs: one encompassed exons 14-22 (about 4.3 kb of cDNA and 36 kb of genomic DNA); the other removed the last exon (exon 26, representing 2 kb of cDNA).

Algeria↗
PubMed1990

Chronic childhood spinal muscular atrophies in Algeria. A genetic study.

This paper describes a genetic study of the chronic spinal muscular atrophies of late infancy and early childhood in Algeria. There were 50 index patients occurring in 44 kindreds and fourteen secondary cases. Genetic and nosological studies indicated that 52% of the patients constitute a genetically homogeneous subgroup with an age of onset between 3 and 24 months and an autosomal recessive mode of transmission. They also indicated that a large subgroup of index patients (48%) had a late age of onset, between 3 and 14 years. Such a large number of late presenting cases has not been reported in previous series. The majority of these cases are probably due to an autosomal recessive gene. A small proportion may represent new dominant mutations or nongenetic phenocopies. A possible sex influence on disease manifestations is discussed. A trend toward later male onset has been noted, and the degree of disability is more marked in males at or after the age of 10. Finally, some empirical risks for use in genetic counselling are presented.

Adolescent↗
PubMed1988

Polio outbreak in Algeria: epidemiological, virological and vaccinational aspects.

During a poliomyelitis outbreak (October 1983) in El Oued territory (Algeria) 28 cases were diagnosed. All the patients were under 4 years old. The ratio of females to males was 0.33. No deaths occurred during this epidemic. 25 of the 28 polio cases were diagnosed by cell culture and 81% were polio type 1. The epidemiological survey established that the epidemic was due to the insufficiency of vaccination coverage, since the consumption of antipolio vaccine in the epidemic area had dropped by 25% from 1982 to 1983. 7 of the 28 polio cases had been given at least 3 injections of vaccine at the correct intervals. 5 of 8 vaccine samples from the epidemic area had an insufficient titre of polio type 1. These observations showed that the nature of the vaccine, whether killed or live virus, was less important for controlling poliomyelitis than providing medical and sanitary facilities to ensure good vaccination coverage.

Algeria↗