Biomedical subjects
Publications and source records attributed to M S Hudson.
Of 16 patients with Cushing's disease, 13 (81%) had lifetime diagnoses of major affective disorder according to DSM-III criteria. However, the rate of familial major affective disorder among these patients was significantly lower than that found among patients with major depression.
Fibromyalgia is a form of nonarticular rheumatism characterized by diffuse musculoskeletal pain. To investigate the relationship between fibromyalgia and major affective disorder, the authors evaluated 31 patients with fibromyalgia and 14 patients with rheumatoid arthritis for rates of current or past major affective disorder and family history of major affective disorder. Both the rate of major affective disorder and the familial prevalence of major affective disorder were significantly higher in the fibromyalgia patients than the rheumatoid arthritis patients. The results suggest that fibromyalgia may be related to major affective disorder.
To assess the prevalence of anorexia nervosa and bulimia among young diabetic women, a questionnaire was sent to 264 young women with insulin-dependent diabetes mellitus in two clinical settings. Among the women who responded (30%), none reported a history of anorexia nervosa, but 28 (35%) reported a history of bulimia. These results suggest that bulimia represents a common problem among young women with diabetes.
To investigate the specificity of the dexamethasone suppression test (DST) for the diagnosis of major depression in patients with diabetes mellitus, we administered 1 mg of dexamethasone to 30 nondepressed diabetics and to 58 normal controls at 11 PM. Diabetic subjects received hemoglobin A1 (Hb A1) determinations, the Hamilton Rating Scale for Depression (HRSD), and five to eight blood glucose determinations during the 48 hours surrounding the DST. Results demonstrated a significantly higher rate of nonsuppression (plasma cortisol level, greater than or equal to 5 micrograms/dL) at 4 PM the following day among diabetics (43%) than among controls (7%) but no difference between these groups in the rate of nonsuppression at 8 AM. Plasma cortisol level at 4 PM correlated with Hb A1 level but not with duration of illness, HRSD score, mean blood glucose level, or maximum blood glucose excursion. These results suggest that the results of the DST used as a diagnostic test for major depression must be interpreted with caution in patients with diabetes.
The eating disorders of anorexia nervosa and bulimia are associated with marked disturbances in endocrine function. Studies of the hypothalamic-pituitary-adrenal,-thyroid, and -ovarian axes are reviewed, in order to ascertain whether and to what extent alteration in endocrine response is the consequence of abnormal eating, or whether the endocrine abnormalities are primary. Many, if not all, of the disturbances which have been documented can be accounted for the metabolic consequences of disturbed eating behavior, including especially the effects of weight loss. However, it is possible that primary hypothalamic dysfunction may account for or contribute to the following abnormalities: hypercortisolism, blunted TSH response to TRH, and hypogonadism. Given the possibility that primary hypothalamic disturbances are present, the specificity of these disturbances with respect to eating disorders as opposed to other psychiatric disorders, is investigated. It is concluded that, with the possible exception of alterations in the hypothalamic-pituitary-ovarian axis, such disturbances appear not to be specific to eating disorders; rather, they are also present in other psychiatric disorders. In particular, the data reviewed are consistent with the hypothesis that the eating disorders have psychobiological features in common with major affective disorder.
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Hyperactivity of the hypothalamic-pituitary-adrenal axis, demonstrated by nonsuppression of plasma cortisol in the dexamethasone suppression test (DST), has been found in about 50% of patients with major depression. We administered the DST to 47 patients with bulimia and to 22 age- and sex-matched normal controls. Among the bulimics, 47% were nonsuppressors, significantly higher than the 9% prevalence of nonsuppressors in the controls, but similar to the prevalence reported for patients with major depression in other studies. This finding is consistent with evidence from studies of phenomenology, family history, and treatment response which suggest that bulimia may be related to affective disorder.
From the antitumor-bioactive sap of Pogonopus speciosus, tubulosine [1] was isolated, by activity-directed fractionation using the brine shrimp lethality test, as the major antitumor constituent. 1H-nmr assignments, obtained from HETCOR and COSY, and X-ray crystallographic results are reported for the first time. Psychotrine [2] was also isolated, and its spectral data are also reported.