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Query: UMLS:C0011849 (diabetes)
 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Autoimmunity is paradoxically a physiologic phenomenon. One finds in normal sera natural autoantibodies that are encoded by germ line genes. Autoimmunity is at the origin of common and severe diseases such as diabetes mellitus, rheumatoid arthritis, systemic lupus erythematosus and perhaps psoriasis and Crohn's disease. The disease may be due according to cases to exacerbation of physiologic autoimmunity or to appearance of autoreactive clones producing autoantibodies encoded by mutated genes. The respective role of triggering environmental factors and genetic predisposition (HLA and non HLA genes) is not determined. New immunotherapeutic methods, particularly cyclosporine, monoclonal antibodies (against T cells, CD4 and T cell receptor molecules and Ia antigens) and autoantigen-specific vaccination open new major therapeutic perspectives that presage major improvement in the prognosis of these diseases.
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PMID:[Evolution of the concept of autoimmunity and its therapeutic implications]. 267 84

Twenty-six episodes of Pseudomonas aeruginosa bacteremia treated with intravenous ceftazidime, 4-6 g/day were evaluated. Treatment was begun within the first 24 hours after the isolation of the microorganism and was maintained for 10-12 days. In two patients with neutropenia amikacin was added during the initial 48-72 hours until the susceptibility to ceftazidime was known. All isolates were sensitive to ceftazidime. The most common underlying diseases were neoplasia (12), diabetes with stroke (4), neurosurgical and vascular procedures (4), rheumatoid arthritis (2), burns (2), cor pulmonale (1), and hypertension (1). The origins of bacteremia were urinary (12), pulmonary (9), and unknown (5). The infection was hospital-acquired in 77% and community-acquired in 23%. A critical clinical status and the presence of complications were significantly (p less than 0.01) associated with an increased mortality rate. Clinical outcome was good in 18/26 (70%), with a 30% mortality rate. The microbiological evolution showed 14 eradications, 6 persistences, 3 relapses and 3 colonizations. Resistance did not develop during therapy. Ceftazidime may be a good alternative therapy for these severe infections, although wider comparative studies are required for a better evaluation.
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PMID:[Evaluation of ceftazidime monotherapy in Pseudomonas aeruginosa bacteremias. Prospective study]. 268 60

The Inuit (Eskimo) gene pool is in many respects similar to that of East Asian populations. Some polymorphisms imply frequent occurrence of disorders comparatively rare in Western Europe (e.g. lactose and sucrose malabsorptions). Low frequencies of alleles for slow isoniazid acetylation and sparteine/debrisoquine oxidation indicate slow elimination of a multitude of drugs. Autoimmune disorders (e.g. rheumatoid arthritis, insulin-dependent diabetes mellitus, Graves' disease and psoriasis) are rare, possibly explained by the associations of these disorders with HLA-alleles rare in the Inuit (e.g. HLA-B8). A correspondingly high incidence of reactive arthritis may be explained by a frequent HLA-B27 allele. The prevalence of disorders due to instability of mesenchymal tissues (e.g. spondylolisthesis, osteoarthrosis, hernia, heart block) still requires a biochemical explanation. Attention is drawn to the urgency of genetic studies in the Arctic because of the accelerating hybridization of the Inuit in all circumpolar areas.
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PMID:Genetic epidemiology of Greenland. 268 6

The patterns of migration and the genetic disorders occurring among North American Mennonites are reviewed, and inherited conditions recently recognized in a religious and genetic isolate, the Old Colony (Chortitza) Mennonites, are described. Old Colony Mennonites are of Dutch/German origin and descend from approximately 400 founding families who settled in the Old Colony, Chortitza (the Ukraine, USSR) in the late 1700s, and then migrated to Canada and Central and South America in the past century. We investigated over 6 generations of a Canadian Old Colony kindred in which there was extensive intermarriage, and in whom 28 individuals developed diabetes mellitus. Insulin-dependent diabetes mellitus (IDDM) occurred in 14 affected individuals in 10 closely related sibships; the 11 living IDDM patients were all concordant for the immunogenetic marker HLA-DR4. Fourteen close relatives had other disorders of carbohydrate metabolism, including gestational diabetes and non-insulin-dependent diabetes mellitus. Other close relatives had autoimmune diseases, including rheumatoid arthritis, hyper- and hypothyroidism, multiple sclerosis, and red cell aplasia. Other inherited diseases, including Alport syndrome, congenital defects, and inborn errors of metabolism were also found in the kindred. In the almost exclusively (99%) Old Colony Mennonite public health district in which the kindred was ascertained, there were multiple cases of Tourette syndrome, of malformations (including congenital heart defects and cleft lip +/- palate), and familial clusters of inborn errors of metabolism. We report this Old Colony (Chortitza) Mennonite isolate because 1) there are large familial aggregations of tissue-specific autoimmune diseases, malformations, inborn errors of metabolism, and of some other conditions whose genetic basis is still unknown; 2) there are multiple cases of rare genetic conditions, 3) we have established a computerized genealogic data base on over 1,000 kindred members as well as a cryopreserved lymphocyte/DNA bank on over 100 closely related individuals with various genetic conditions; and 4) this religious isolate, which extends across North, Central, and South America, offers an excellent opportunity for studying the epidemiology and molecular genetics of both common and rare inherited diseases.
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PMID:Inherited diseases in North American Mennonites: focus on Old Colony (Chortitza) Mennonites. 278 28

Association between diabetes and some rheumatic diseases have been proposed. The aim of our work is the evaluation of the prevalence of diabetes mellitus (DM) in a population of patients affected by some common rheumatic disease. We evaluated 356 consecutive out-patients [205 (71.66%) women and 101 (28.34%) men] attending the Rheumatology Unit of the Dept. of Internal Medicine of the Catholic University of Rome. The control group consisted of 200 out-patients, age and sex matched, who were examined in the Dept. of Surgery. The diagnosis of rheumatic patients were osteoarthritis (OA) (45.5%), rheumatoid arthritis (RA) (34%) and periarthritis (PA) (20.5%). The prevalence of diabetes mellitus in our rheumatic population was 5.78% in RA, 6.17% in OA, 10.9% in PA. The prevalence of DM in the control group was 4%. Our data suggest that the prevalence of DM in OA and RA patients is similar to that of general population, while it is significantly higher in PA patients probably for an active role of microangiopathy and hyperglycemia in the genesis of such disease.
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PMID:Prevalence of diabetes mellitus in common rheumatic diseases. 278 80

While the association between Type A behaviour pattern and coronary heart disease (CHD) has been abundantly investigated, the question of the specificity of this association remains virtually unexplored. The present study addressed this question by examining, in a sample of 1949 male and female adults, the relationship between JAS Type A measurement and self-reported diseases (i.e. CHD, scarlatina, rheumatoid arthritis, asthma, diseases of the liver, diseases of the gall-bladder, thyroid troubles, tuberculosis, peptic ulcer, renal disease, hypertension and diabetes). Type A subjects were found to report not only more CHD, but also more peptic ulcers, thyroid problems, asthma and rheumatoid arthritis. Globally, more Type A than Type B subjects reported having been ill, and the average number of reported diseases per person was higher among Type As than among Type Bs. These results were obtained in spite of the fact that Type A subjects in this study were markedly younger than Type Bs, and in spite of the empirically based reputation of the former to be symptom deniers rather than symptom reporters. Overall, the data supported the view that Type A behaviour pattern is a general disease-prone condition rather than merely a specific coronary risk factor.
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PMID:Type A behaviour pattern: specific coronary risk factor or general disease-prone condition? 278 74

The predominant genetic elements contributing to HLA-associated disease susceptibility have been localized within the HLA-D, or class II, region of the major histocompatibility complex for a large number of autoimmune diseases. Two likely candidate susceptibility genes in this region have been identified: the DQ beta 3.2 gene is the single allele most highly associated with type I diabetes (IDDM) and accounts for the HLA-DR4 association with that disease. DNA sequence analysis and mutagenesis studies implicate a small set of key residues within the DQ3.2 molecule as critical polymorphic residues likely contributing to disease-associated immune mechanisms. Different class II genes, Dw4 and Dw14, specific alleles at the DR beta locus, account for the HLA-DR4 association with rheumatoid arthritis (RA). A single cluster of polymorphic residues within the DR beta molecule may be sufficient to account for nearly all of the structural and genetic contributions of the HLA complex to the pathogenesis of RA.
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PMID:Determinants of genetic susceptibility in HLA-associated autoimmune disease. 279 47

Thirty-six patients with rheumatoid arthritis (RA), 30 patients with cox- or gonarthrosis (OA), and a control group of 40 patients with diabetes mellitus (DM) were studied with the aim of analyzing and comparing patient experienced muscular problems of muscle-strength analyzing and comparing patient experienced muscular problems of muscle-strength, endurance and balance/coordination with muscle function as assessed by standardized tests. The results indicated that patient-experienced problems of muscle function of the lower extremities were frequent in both the RA and the OA groups (about 80%) compared to the DM group (10%). Multivariate analyses of variance (MANOVAs) on experienced and tested muscle strength, endurance and balance/coordination, revealed a significant RA-OA difference (p less than 0.05). Separate analyses of variance (ANOVAs) indicated OA patients to show decreased tested endurance compared with the RA group. There was no significant RA-OA difference as to pain. Results provide evidence for considering muscle function of the lower extremities in therapeutic programs for RA and OA within primary health care.
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PMID:Muscle function of the lower extremities in rheumatoid arthritis and osteoarthrosis. A descriptive study of patients in a primary health care district. 280 54

The HLA region on the short arm of chromosome 6 contains a set of highly polymorphic loci responsible for regulating the immune response. Particular haplotypes, defined serologically, have been associated with a risk of developing certain autoimmune diseases such as insulin-dependent (juvenile-onset) diabetes mellitus, multiple sclerosis and rheumatoid arthritis. Recent developments in molecular biology have permitted an improved resolution of the locus and of the sequential arrangement of the susceptibility determinants on these haplotypes. Restriction fragment length polymorphisms have allowed subdivisions of serological haplotypes to be made. These correlate with disease susceptibility in some cases. Amplification of specific HLA class II alleles and nucleic acid sequencing have resulted in the identification of the structural determinants in the HLA that underlie some of these diseases.
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PMID:The molecular genetics of HLA-related disorders. 289 30

A total of 157 sera from adults and children with rheumatoid arthritis, rheumatic fever, myocarditis, neurodermite, bronchial asthma, wound infections, second degree obesity without symptoms of diabetes were examined. 60% of sera contained high concentrations of antibodies possessing cytotoxicity against thymus cells, but not against bone marrow cells. Sera of healthy children and adults contained no cytotoxic antibodies. Sera cytotoxic against mouse thymus cells inhibited the suppressing activity of mouse splenocytes in experiments on syngeneic transfer, reducing the ability of human lymphocytes to form T-RFC. The latter phenomenon is associated with the decline in the number of T-theophyllin-sensitive lymphocytes, known as T-suppressors.
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PMID:[Antilymphocyte antibodies in various human diseases as a factor of reduced functional activity of T-suppressors]. 294 95


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