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  • diabetes mellitus  (5)
  • Type II diabetes  (2)
  • blood pressure  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 17 (1979), S. 161-164 
    ISSN: 1432-0428
    Keywords: American Indians ; autoimmunity ; diabetes mellitus ; islet cell antibodies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Pancreatic islet cell antibodies and 12 other autoantibodies were measured at the time of diabetes diagnosis in 46 Pima Indians, aged 17–47 years, and in 46 age-sex matched non-diabetic controls. Islet cell antibodies were found in only two diabetics, aged 20 and 25, compared with none of 46 controls. Neither of the subjects with islet cell antibodies had other autoantibodies. At least one type of autoantibody was found in 14 (30%) of the diabetics and in 14 controls, but none was significantly associated] with diabetes. This study indicates that diabetes in the Pima Indians, even those with an onset below 25 years of age, is almost entirely of type II, in that the disease is not associated with islet cell antibodies, ketoacidosis, or insulin dependence.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0428
    Keywords: Impaired glucose tolerance ; diabetes mellitus ; prevalence ; Melanesian ; Polynesian ; glucose tolerance ; genetics ; environment ; rural ; urban
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The study of different ethnic groups living in the same physical environment provides the opportunity to examine interaction of genetic and environmental factors in the aetiology of diabetes mellitus. In rural New Caledonia, the prevalence of diabetes was higher in part-Polynesians than in Melanesians: males — 6.6 versus 0.5%; females — 6.3 versus 3.5% respectively. The prevalence of abnormal glucose tolerance (impaired glucose tolerance and diabetes) was 11.5 and 15.7% in part-Polynesian males and females, respectively, and 4.7 and 9.2% in Melanesian males and females. Mean age and degree of obesity in these ethnic groups were sufficiently similar to suggest that these factors played no significant role in the difference in diabetes prevalence. Furthermore, adjustment of relative risk of impaired glucose tolerance and diabetes for age and obesity indicated that the modest differences between groups were not responsible for the observed variation in diabetes prevalence. The differences in prevalence of impaired glucose tolerance and diabetes between Melanesians and part-Polynesians may be genetically determined, although the role of certain environmental factors other than obesity, e.g. differences in physical activity or qualitative aspects of diet, cannot be excluded.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0428
    Keywords: Pima Indians ; diabetes mellitus ; pancreatic islets ; islet amyloid ; islet amyloid polypeptide ; insulin resistance ; glucose tolerance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Islet amyloid may have a pathological role in the development of Type 2 (non-insulin-dependent) diabetes mellitus. The prevalence of islet amyloid has been investigated on post-mortem pancreatic tissue from both diabetic and non-diabetic Pima Indian subjects who had previously been assessed by oral glucose tolerance tests. Islets were examined for amyloid deposits and for cellular immunoreactivity to pancreatic hormones and islet amyloid polypeptide, the constituent peptide of islet amyloid. Twenty of 26 diabetic subjects (77%) had islet amyloid, compared with one of 14 non-diabetic subjects (7%). Twelve of the diabetic subjects (46%) had amyloid in more than 10% of their islets, whereas only 4% of islets were affected in a single non-diabetic subject. Positive immunoreactivity for islet amyloid peptide was present in the islet amyloid and in islet cells in 54% of the diabetic and 50% of the non-diabetic subjects. Islet amyloid in diabetic Pima Indians may indicate a primary Beta-cell defect which interacts with insulin resistance to produce diabetes, or may develop as a result of Beta-cell dysfunction induced by insulin resistance and hyperglycaemia.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0428
    Keywords: Albuminuria ; risk factors ; blood pressure ; Type 2 (non-insulin-dependent) diabetes mellitus ; Pima Indians
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Blood pressure was measured in 490 non-proteinuric Pima Indians from the Gila River Indian Community in Arizona at least 1 year before the diagnosis of Type 2 (non-insulin-dependent) diabetes mellitus. Urine albumin concentration was measured in the same subjects 0–24 years (mean 5 years) after diabetes was diagnosed. Prevalence rates of abnormal albumin excretion (albumin-to-creatinine ratio ≥100 mg/g) after the onset of Type 2 diabetes were 9%, 16%, and 23%, respectively, for the lowest to highest tertiles of pre-diabetic mean blood pressure. When controlled for age, sex, duration of diabetes and pre-diabetic 2-h post-load plasma glucose concentration, higher pre-diabetic mean blood pressure predicted abnormal urinary excretion of albumin after the onset of diabetes. This finding suggests that the higher blood pressure seen in diabetic nephropathy is not entirely a result of the renal disease, but may precede and contribute to it.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0428
    Keywords: Diabetic nephropathy ; proteinuria ; end-stage renal disease ; Type 2 (non-insulin-dependent) diabetes mellitus ; blood pressure ; Pima Indians
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To identify factors related to the development of end-stage renal disease after the onset of proteinuria, its incidence was determined in 364 Pima Indians aged 35 years or older with Type 2 (non-insulin-dependent) diabetes mellitus and proteinuria (protein-to-creatinine ratio ≥0.5 g/g). Of these 364 subjects, 95 (36 men, 59 women) developed end-stage renal disease. The cumulative incidence was 40% 10 years after and 61% 15 years after the onset of proteinuria. The incidence of end-stage renal disease was significantly related to the duration of diabetes, the duration of proteinuria, higher 2-h plasma glucose concentration, type of diabetes treatment, and the presence of retinopathy at the time of recognition of the proteinuria, but not to age, sex, or blood pressure. Duration of proteinuria influenced the risk of end-stage renal disease, contingent, however, upon the duration of diabetes at the onset of proteinuria. The higher cumulative incidence of end-stage renal disease 15 years after the onset of proteinuria in Pima Indians (61 %) than in Caucasians from Rochester, Minnesota (17%) may be attributable, in part, to the younger age of onset of Type 2 diabetes in Pima Indians than in Caucasians, to ethnic differences in susceptibility to renal disease, or to lower death rates among the Pima Indians from competing causes of death, such as coronary heart disease.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0428
    Keywords: Familial aggregation ; diabetes mellitus ; nephropathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Both non-insulin-dependent diabetes mellitus and diabetic nephropathy show familial aggregation. If diabetes and renal disease have independent determinants (genetic or otherwise), offspring of parents with diabetic renal disease should have a similar risk of diabetes to those offspring of parents with diabetes alone. To test this hypothesis, the prevalence of diabetes was examined in a population-based pedigree study in Pima Indian offspring of three mutually exclusive parental types: 1) diabetic with renal disease, 2) diabetic, but without renal disease and 3) non-diabetic. Among offspring of one diabetic parent and one non-diabetic parent (n=320) the prevalence of diabetes at ages 15–24 years and 25–34 years was 0% and 11%, respectively if the diabetic parent did not have renal disease compared with 6% and 28% respectively if the diabetic parent did have renal disease. Corresponding rates for offspring of two diabetic parents (n=121) were 10% and 17%, respectively if neither parent had renal disease compared with 30% and 50%, respectively if one parent did have renal disease. The presence of renal disease in a parent with diabetes relative to diabetes alone was associated with 2.5 times the odds of diabetes (95% confidence interval 1.4–4.3) in the offspring controlled for age, age at onset of parental diabetes and diabetes in the other parent using logistic regression. These findings provide support for parental diabetic renal disease, independent of age at onset of parental diabetes, conferring an increased risk for diabetes in the offspring. The results are compatible with the hypothesis that the susceptibility to renal disease in the parents and to diabetes in the offspring are due to shared familial environmental factors or to the same gene or set of genes.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0428
    Keywords: Key words Familial aggregation ; diabetes mellitus ; nephropathy.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Both non-insulin-dependent diabetes mellitus and diabetic nephropathy show familial aggregation. If diabetes and renal disease have independent determinants (genetic or otherwise), offspring of parents with diabetic renal disease should have a similar risk of diabetes to those offspring of parents with diabetes alone. To test this hypothesis, the prevalence of diabetes was examined in a population-based pedigree study in Pima Indian offspring of three mutually exclusive parental types: 1) diabetic with renal disease, 2) diabetic, but without renal disease and 3) non-diabetic. Among offspring of one diabetic parent and one non-diabetic parent (n = 320) the prevalence of diabetes at ages 15–24 years and 25–34 years was 0 % and 11 %, respectively if the diabetic parent did not have renal disease compared with 6 % and 28 % respectively if the diabetic parent did have renal disease. Corresponding rates for offspring of two diabetic parents (n = 121) were 10 % and 17 %, respectively if neither parent had renal disease compared with 30 % and 50 %, respectively if one parent did have renal disease. The presence of renal disease in a parent with diabetes relative to diabetes alone was associated with 2.5 times the odds of diabetes (95 % confidence interval 1.4–4.3) in the offspring controlled for age, age at onset of parental diabetes and diabetes in the other parent using logistic regression. These findings provide support for parental diabetic renal disease, independent of age at onset of parental diabetes, conferring an increased risk for diabetes in the offspring. The results are compatible with the hypothesis that the susceptibility to renal disease in the parents and to diabetes in the offspring are due to shared familial environmental factors or to the same gene or set of genes. [Diabetologia (1995) 38: 221–226]
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0428
    Keywords: Keywords Prevalence ; epidemic ; children ; Type II diabetes ; obesity ; diabetic pregnancy.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Until recently, Type II diabetes was considered rare in children. The disease is, however, increasing among children in populations with high rates of Type II diabetes in adults. The prevalence of Type II diabetes was determined in 5274 Pima Indian children between 1967 and 1996 in three 10-year time periods, for age groups 5–9, 10–14 and 15–19 years. Diabetes was diagnosed using World Health Organisation criteria, based on an oral glucose tolerance test. The prevalence of diabetes increased over time in children aged 10 years and over: in boys from 0 % in 1967–1976 to 1.4 % in 1987–1996 in the 10–14 year old age group, and from 2.43 % to 3.78 % for age group 15–19 and in girls from 0.72 % in 1967–1976 to 2.88 % in 1987–1996 in the 10–14 year old age group, and from 2.73 % to 5.31 % for age group 15–19 years. Along with the increase in the prevalence of Type II diabetes (p 〈 0.0001), there was an increase in weight (calculated as percentage of relative weight, p 〈 0.0001), and in frequency of exposure to diabetes in utero (p 〈 0.0001). The increasing weight and increasing frequency of exposure to diabetes in utero accounted for most of the increase in diabetes prevalence in Pima Indian children over the past 30 years. Type II diabetes is now a common disease in American Indian children aged 10 or more years and has increased dramatically over time, along with increasing weight. A vicious cycle related to an increase in the frequency of exposure to diabetes in utero appears to be an important feature of this epidemic. [Diabetologia (1998) 41: 904–910]
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-0428
    Keywords: Keywords Diabetic Renal Disease Study ; glomerular filtration rate ; impaired glucose tolerance ; Type II diabetes ; Pima Indians.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Glomerular filtration rate (iothalamate clearance) was measured serially for 48 months in 26 Pima Indians with impaired glucose tolerance and 27 with normal glucose tolerance. At baseline, the mean glomerular filtration rate (SEM) was 133 ± 8 ml/min in subjects with impaired glucose tolerance and 123 ± 5 ml/min in those with normal glucose tolerance (p = 0.12). In the 12 subjects with impaired glucose tolerance who progressed to Type II (non-insulin-dependent) diabetes during follow-up, mean glomerular filtration rate increased by 30 % (p = 0.011). Among the remaining 14 subjects with impaired glucose tolerance, 12 reverted to normoglycaemia. The glomerular filtration rate both at baseline and after 48 months in this subgroup exceeded the values of subjects with normal glucose tolerance by 20 % (p = 0.008) and 14 % (p = 0.013), respectively. A pronounced rise in the glomerular filtration rate occurs at the onset of Type II diabetes but a trend to hyperfiltration is also present in those with impaired glucose tolerance. [Diabetologia (1999) 42: 90–93]
    Type of Medium: Electronic Resource
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