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Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

While depression, anxiety, and negative affect are associated with smoking and smoking cessation outcomes in healthy individuals, these associations have not been established in smokers with chronic diseases such as diabetes mellitus, a condition which greatly increases cardiovascular disease risk. Other psychosocial variables such as stress and locus of control may also be associated with smoking but are seldom reported. We examined stress, affect, and locus of control by smoking status in patients with type 1 diabetes mellitus. Results indicated that current smokers reported significantly higher levels of perceived stress, a more negative affect, and higher powerful others locus of control compared with nonsmokers. These findings indicate that those patients who have diabetes and who smoke are at greater risk for depressive symptoms. This knowledge may aid clinicians in their attempts to help these patients quit smoking.
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PMID:Smoking status and psychosocial variables in type 1 diabetes mellitus. 1119 90

This study examined depressive symptoms and their correlates in African-American patients with type 1 diabetes. Five-hundred eighty-one diabetics participated in a study on risk factors for retinopathy in African-Americans with type 1 diabetes. Evaluations included structured interview, ocular examination, blood test, and completion of the Beck Depression Inventory (BDI). Among the 581 diabetic patients, 159 (26.9%) had a BDI score > 14. Significantly more of these patients were unemployed, had less education, lower socio-economic status, and less personal and family income than those who had a BDI < or = 14. Also, significantly more patients with a BDI score > 14 had proliferative retinopathy and were receiving disability payments. In the multiple logistic regression, two factors that significantly and independently associated with the BDI score > 14 were unemployment or not working due to disability. Both socio-economic and diabetic variables are associated with depressive symptoms among African-American patients with type 1 diabetes.
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PMID:Depressive symptoms in African-American type 1 diabetics. 1123 57

Insulin-dependent diabetes mellitus (IDDM) can lead to ventilatory depression and decreased sensitivity to hypercapnia. We examined relationships between ventilation, plasma insulin, leptin, ketones, and blood glucose levels in two mouse models of IDDM: (1) streptozotocin-induced diabetes in C57BL/6J mice on a regular diet or with induced obesity from a high fat diet; and (2) spontaneous diabetes mellitus in NOD-Ltj mice. In both mouse models, IDDM resulted in depression of the hypercapnic ventilatory response (HCVR). This ventilatory depression was not associated with decreases in plasma insulin or leptin levels. There was, however, a strong association between the duration of hyperglycemia, the decline in HCVR, and increased glycosylation of the diaphragm. Hyperventilation was observed in only six of 14 C57BL/6J obese wild-type mice, despite a significant degree of diabetic ketoacidosis (DKA) in all 14 animals. In mice with DKA, there was a significant correlation between the increase in baseline minute ventilation (V E) and hyperleptinemia (r = 0.77, p < 0.01). In leptin-deficient C57BL/6J-Lep(ob) mice, low levels of both V E and ketones were observed. These results suggest that: (1) depression of the HCVR in IDDM is associated with hyperglycemia and glycosylation of the diaphragm; and (2) the hyperventilation of DKA is leptin dependent.
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PMID:The impact of insulin-dependent diabetes on ventilatory control in the mouse. 1125 15

Advances in immunological and genetic tests and in therapeutics may soon make it possible to predict, prevent or delay the development of type 1 diabetes mellitus (DM). Psychological support should be available at every stage of the screening and prevention process for high-risk individuals. Each step in this process results in a threat to the affected individual and his/her family, followed by anxiety, decision processes, uncertainty, conflicts and depression, and also attempts to cope with these. At the first step, information about the screening procedure is provided, and an attempt is made to motivate individuals and families to take part. At the second step, there is notification of risk and, for the small group of marker-positive individuals, an invitation to participate in a prevention trial. At the third step, the individuals included in a prevention protocol have to deal with anxiety over receiving placebo, maintain cooperation with therapy, and cope with potential failures of the prevention. There are only a few psychological data gained in DM screening or intervention studies, showing high clinical anxiety while screening, both before and after notification of risk. After a few months of anxiety, it usually drops to normal levels, but family functioning seems to be changed. Data are explained within the framework of an extended Health Belief Model. Data regarding the psychological impact on family members and identification of variables related to continued study participation are needed for studies seeking to recruit and retain subjects in longitudinal protocols for prediction and prevention of type 1 DM.
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PMID:Psychological and ethical aspects of prevention trials. 1139 61

The coexistence of type 1 diabetes mellitus and disordered eating is associated with poor metabolic control, poor adherence to diabetes treatment regimens, and increased risk of long-term diabetic complications. This study assessed whether a six-session group psychoeducation program would improve metabolic control, diabetes treatment adherence, eating disorder symptomatology, and general psychopathology in women with coexisting type 1 diabetes and subclinical disordered eating. Fourteen women were assigned to the treatment group (n=8) or wait-list control group (n=6). Measurements were taken at baseline, post-intervention, and one month post-intervention. There were no significant differences in how the treatment group and wait-list control group changed over time. Between the first and second measurements, both groups demonstrated significant improvements in depression and general emotional distress. The results suggest that a six-session group psychoeducation program is no more effective than a wait-list control group for treating subclinical disordered eating in women with type 1 diabetes. Further research is required to determine the most effective treatment for this population.
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PMID:Effectiveness of a group psychoeducation program for the treatment of subclinical disordered eating in women with type 1 diabetes. 1174 60

Pregnancy is associated with a depression of the immune inflammatory system, and with increased growth and function of the pancreatic islets of Langerhans. We monitored glucosuria, blood glucose concentration, and lymphocytic infiltration of pancreatic islets in 30 female, 10-wk-old, pre-diabetic nonobese diabetic (NOD) mice divided into 3 treatment groups for 13 wk: group 1, saline; group 2, pregnancy hormones (dexamethasone 4 mg/Kg/day, progesterone 1.7 mg/Kg/day, growth hormone 0.6 mg/Kg/day, prolactin 1 mg/Kg/day, and estradiol 0.05 mg/Kg); and group 3, prolactin alone (1 mg/Kg/day). At sacrifice, the pancreases were fixed in paraformaldehyde and islet infiltration was evaluated. In the saline-treated group (#1) 4/10 mice developed diabetes, while in the hormone treated group (#2) none of the mice developed diabetes. Only 1/10 mice in the prolactin-treated group (#3) developed diabetes during the study. Islets from the hormone cocktail treated group were significantly less infiltrated than islets from the other 2 treatment groups (p <0.001). Thus, the pregnancy hormones protected NOD mice from developing diabetes and significantly reduced or eliminated insulitis and islet infiltration. Prolactin alone had a partial protective effect. The results have implications for prevention of type 1 diabetes and for immune suppression in patients receiving islet cell transplantation.
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PMID:Pregnancy hormones prevent diabetes and reduce lymphocytic infiltration of islets in the NOD mouse. 1184 23

This study examined gender differences in (1) the psychological adjustment to diabetes and (2) the relation between psychological adjustment and metabolic control in patients with type 1 diabetes. The 280 adult patients attending the outpatient diabetes clinic completed psychological self-rating questionnaires evaluating coping, depression, marital satisfaction, cognitive and emotional adjustment to diabetes. Glycaemic control was measured with HbA(1c)-values. This study revealed that men used significantly more active coping, less avoiding, less social support seeking and less depressive coping. Despite these differences, glycaemic control was not significantly better in men than in women. Women reported more depressive symptomatology than men did and more women were depressed. Significant gender differences were also found in psychological adjustment to diabetes. The psychological factors negatively related with the psychological adjustment to diabetes in men and women are depressive coping and depressive symptomatology.
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PMID:Gender differences in the psychological adjustment to type 1 diabetes mellitus: an explorative study. 1240 17

In summary, our review of the literature suggests that diabetes, especially type 1 diabetes, may place patients at risk for a depressive disorder through a biological mechanism linking the metabolic changes of diabetes to changes in brain structure and function. Further studies are warranted examining these relationships in order to better understand the impact of diabetes on brain functioning and structure as well as one potential manifestation of such changes--affective disorder. Moreover, such studies could play a useful role in better understanding mechanisms that commonly underlie the development of depression in individuals without diabetes but with other medical problems or conditions.
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PMID:Diabetes, the brain, and behavior: is there a biological mechanism underlying the association between diabetes and depression? 1242 Mar 67

Animal biosynthesis of high polyunsaturated fatty acids from linoleic, alpha-linolenic and oleic acids is mainly modulated by the delta6 and delta5 desaturases through dietary and hormonal stimulated mechanisms. From hormones, only insulin activates both enzymes. In experimental diabetes mellitus type-1, the depressed delta6 desaturase is restored by insulin stimulation of the gene expression of its mRNA. However, cAMP or cycloheximide injection prevents this effect. The depression of delta6 and delta5 desaturases in diabetes is rapidly correlated by lower contents of arachidonic acid and higher contents of linoleic in almost all the tissues except brain. However, docosahexaenoic n-3 acid enhancement, mainly in liver phospholipids, is not explained yet. In experimental non-insulin dependent diabetes, the effect upon the delta6 and delta5 desaturases is not clear. From all other hormones glucagon, adrenaline, glucocorticoids, mineralocorticoids, oestriol, oestradiol, testosterone and ACTH depress both desaturases, and a few hormones: progesterone, cortexolone and pregnanediol are inactive.
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PMID:Hormonal modulation of delta6 and delta5 desaturases: case of diabetes. 1253 79

The activities of the enzymes involved in the malate-aspartate shuttle were measured in peripheral leucocytes of dogs with type 1 diabetes mellitus. In the diabetic dogs, fasting plasma glucose concentrations were twofold greater than control levels despite insulin injections and the activities of malate dehydrogenase (MDH), which plays a crucial role in the malate-aspartate shuttle, were decreased remarkably. The cytosolic ratio of MDH/lactate dehydrogenase (LDH) activity (M/L ratio) in leucocytes of the diabetic dogs was significantly lower than that of normal control dogs. The decrease of the M/L ratio appeared to reflect depression of energy metabolism in leucocytes of the diabetic dogs. The M/L ratio may be a useful parameter to evaluate metabolic conditions in diabetic dogs.
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PMID:Decrease in malate dehydrogenase activities in peripheral leucocytes of type 1 diabetic dogs. 1258 44


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