Biomedical subjects
Publications and source records attributed to G O'Brien.
In a study of the dexamethasone suppression test (DST) in patients with bulimia nervosa, a non-suppression rate of about 50% was found. The only clinical correlates of DST non-suppression were a previous history of weight loss and/or of anorexia nervosa. These results suggest that DST non-suppression in these subjects may be a trait rather than a state marker of anorexia nervosa.
In a study of 98 cases of deliberate self harm, a high correlation was obtained between a diagnosis of Major Depressive Disorder (M.D.D.) and scores on both the Hamilton Rating Scale for depression (HRS) and the Suicide Intent Scale (SIS). There was also a high correlation between HRS and SIS scores. A higher score on HRS and SIS correlated with increasing age, as also did a diagnosis of M.D.D.
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Immunomodulative actions of isoprinosine were tested in 100 prodromal homosexual males and 23 patients who have been diagnosed with AIDS. All subjects showed reduced T helper cells although T suppressor cell counts were normal. Proliferative responses, particularly T cell-dependent B cell function, were severely impaired in prodromal and AIDS subjects. Upon co-cultivation of their lymphocytes with isoprinosine, significant upward modulation, and in some cases, normalization, of lymphocyte functions as monitored by PHA- and PWM-induced blastogenesis was achieved in prodromal subjects. Similar degrees of modulation but not normalization of lymphocyte functions were observed in patients with severe symptoms of AIDS.
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Explore the source record for details and available documents.
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