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Drews E, Fertuck EA, Koenig J, Kaess M, Arntz A. Hypothalamic-pituitary-adrenal axis functioning in borderline personality disorder: A meta-analysis. Neurosci Biobehav Rev 2018; 96:316-334. [PMID: 30500331 DOI: 10.1016/j.neubiorev.2018.11.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 11/15/2018] [Accepted: 11/18/2018] [Indexed: 12/29/2022]
Abstract
Borderline Personality Disorder (BPD) has been associated with altered hypothalamic-pituitary-adrenal (HPA) axis functioning. However, evidence is inconsistent. Therefore, the present series of meta-analyses aimed to quantify HPA axis functioning in BPD patients based on singular and continuous cortisol assessments and measures of reactivity to pharmacological and psychosocial stress. Case-control studies comparing adult BPD patients and healthy and clinical controls were considered for inclusion. The search resulted in 804 publications, of which 37 studies (k = 81; BPD n = 803, controls n = 1092) were included. Analyses were based on random effect models using standardized mean differences. BPD patients displayed elevated continuous cortisol output and blunted cortisol following psychosocial challenges. Singular cortisol assessments and cortisol after pharmacological challenges were not significantly different. Meta-analyses were limited by inconsistent reporting in individual studies and small samples for some comparisons. Due to the debilitating nature of stress-related symptoms in BPD, more research on elevated continuous cortisol output and blunted cortisol responses to psychosocial stress is warranted.
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Affiliation(s)
- Elisa Drews
- Section for Translational Psychobiology in Child and Adolescent Psychiatry, Department of Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany; Department of Clinical Psychology, University of Amsterdam, Amsterdam, the Netherlands; New York State Psychiatric Institute, Columbia University, College of Physicians and Surgeons, New York, United States.
| | - Eric A Fertuck
- The City College and Graduate Center of the City University of New York, New York, United States; New York State Psychiatric Institute, Columbia University, College of Physicians and Surgeons, New York, United States
| | - Julian Koenig
- Section for Translational Psychobiology in Child and Adolescent Psychiatry, Department of Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany; University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Michael Kaess
- Section for Translational Psychobiology in Child and Adolescent Psychiatry, Department of Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany; University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Arnoud Arntz
- Department of Clinical Psychology, University of Amsterdam, Amsterdam, the Netherlands
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af Klinteberg B, Johansson SE, Levander M, Alm PO, Oreland L. Smoking habits – Associations with personality/behavior, platelet monoamine oxidase activity and plasma thyroid hormone levels. PERSONALITY AND INDIVIDUAL DIFFERENCES 2017. [DOI: 10.1016/j.paid.2017.05.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Borderline personality disorder (BPD) is a severe mental disorder with a multifactorial etiology. The development and maintenance of BPD is sustained by diverse neurobiological factors that contribute to the disorder's complex clinical phenotype. These factors may be identified using a range of techniques to probe alterations in brain systems that underlie BPD. We systematically searched the scientific literature for empirical studies on the neurobiology of BPD, identifying 146 articles in three broad research areas: neuroendocrinology and biological specimens; structural neuroimaging; and functional neuroimaging. We consolidate the results of these studies and provide an integrative model that attempts to incorporate the heterogeneous findings. The model specifies interactions among endogenous stress hormones, neurometabolism, and brain structures and circuits involved in emotion and cognition. The role of the amygdala in BPD is expanded to consider its functions in coordinating the brain's dynamic evaluation of the relevance of emotional stimuli in the context of an individual's goals and motivations. Future directions for neurobiological research on BPD are discussed, including implications for the Research Domain Criteria framework, accelerating genetics research by incorporating endophenotypes and gene × environment interactions, and exploring novel applications of neuroscience findings to treatment research.
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Abstract
BACKGROUND Previous work has demonstrated that patients with borderline personality disorder show some similarities to patients with major depression, especially regarding their sleep profile. This study aimed at investigating such a hypothesis in an Egyptian sample, considering the possible influence of cultural differences. METHODS All night polysomnographic assessments were made for 20 ICD-10 diagnosed borderline patients (without co-morbid depression), in addition to 20 patients with major depression and 20 healthy matched controls. RESULTS The two patient groups differed significantly from controls in their sleep profile, especially regarding sleep continuity measures, decreased SWS and REM sleep abnormalities. High similarity was found in EEG sleep profile of the two patient groups, though the changes were more robust in patients with depression. LIMITATION The small number of subjects precluded finer analyses of sleep microstructure by depressive symptoms. CONCLUSIONS The great similarity in EEG sleep profile between borderline personality disorder patients and patients with major depression suggests a common biological origin for both conditions, with the difference being 'quantitative' rather than 'qualitative'. Our data are all the more compelling in that the presumed personality disturbance in the Egyptian culture manifests neurophysiologically as in the Western world.
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Affiliation(s)
- Tarek Asaad
- Ain Shams University, Institute of Psychiatry, 3 Shawarby St. Kasr El Nile, Cairo, Egypt
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Staner L, Duval F, Calvi-Gries F, Mokrani MC, Bailey P, Hode Y, Toussaint M, Luthringer R, Muzet A, Macher JP. Morning and evening TSH response to TRH and sleep EEG disturbances in major depressive disorder. Prog Neuropsychopharmacol Biol Psychiatry 2001; 25:535-47. [PMID: 11370996 DOI: 10.1016/s0278-5846(00)00185-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
1. The aim of this study was to investigate hypothalamo-pituitary-thyroid axis (HPTA) functioning and sleep EEG disturbances in major depressive disorder. 2. Thyroid function was evaluated by determination of TSH levels before and after 8 AM and 11 PM TRH administration on the same day in a sample of 113 consecutively-admitted DSM-IV major depressed inpatients (72 females aged 44.3 +/- 13.0 and 41 males aged 45.7 +/- 10.7) that underwent sleep EEG recordings. 3. A blunted TSH response occurred in 15.9% for 8 AM deltaTSH (maximum increment above baseline at the 8 AM TRH challenge), in 39.8% for 11 PM deltaTSH and in 77% for deltadeltaTSH (difference between 11 PM deltaTSH and 8 AM deltaTSH). A negative correlation between deltadeltaTSH and duration of awakenings after sleep onset, and a shorter sleep onset latency in patients with a blunted 11 PM deltaTSH were found, but these two significant relationships disappeared after controlling for the effects of gender and age. 4. The present findings do not support the hypothesis that, in major depression, HPTA dysfunctioning, as reflected in TSH response to TRH, may be related to sleep EEG disturbances.
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Affiliation(s)
- L Staner
- FORENAP - Institute for Research in Neurosciences, Neuropharmacology and Psychiatry, Centre Hospitalier, Rouffach, France.
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Koenigsberg HW, Anwunah I, New AS, Mitropoulou V, Schopick F, Siever LJ. Relationship between depression and borderline personality disorder. Depress Anxiety 2000; 10:158-67. [PMID: 10690577 DOI: 10.1002/(sici)1520-6394(1999)10:4<158::aid-da4>3.0.co;2-b] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The frequent occurrence of depressive symptoms in patients with borderline personality disorder has generated considerable interest in the nature of the relationship between borderline personality disorder and the depressive disorders. Data from the perspectives of phenomenology, biology, family history, course of illness, comorbidity patterns, and treatment response have been brought to bear on the question. Reviews based on research available by 1985 and 1991, respectively, arrived at differing conclusions: (1) that both disorders shared common but non-specific sources, and (2) that the two disorders were unrelated but co-occurred because of the high prevalence of each. Since the time of these reviews, additional evidence has become available from a wider range of biological investigations, better controlled comorbidity studies, studies of the relationship of psychosocial stressors to the course of each disorder and neuroimaging studies. In reviewing the more recent findings, we propose the less parsimonious hypothesis that the disorders co-occur, both because they share some common biological features and because the psychosocial sequella of each can contribute to the development of the other.
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Affiliation(s)
- H W Koenigsberg
- Mood and Personality Disorders Program, Mount Sinai School of Medicine, New York, New York, USA
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Taub JM. Sociodemography of borderline personality disorder (PD): a comparison with Axis II PDs and psychiatric symptom disorders convergent validation. Int J Neurosci 1996; 88:27-52. [PMID: 9003963 DOI: 10.3109/00207459608999811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A theoretical objective of the present meta-analysis based upon data derived from a previously reported review (Taub, 1995), was to test two inductive hypotheses empirically regarding educational background and social class across different criteria for the DSM-III diagnosis of borderline personality disorder (PD). A secondary purpose was to determine whether comorbidity of borderline PD with other Axis II PDs would significantly delineate socioeducational variables. Across 7/8 pairwise contrasts which represented five studies, distribution of Hollingshead Redlich (H-R) social classes II-IV borderline PD (N = 326) significantly exceeded that in 457 diagnostic controls with Axis II PDs and psychiatric symptom disorders. Although average differences, as well as, interactions reflected by values of the H-R two-factor scale attained statistical significance these were were less consistent in magnitude and direction versus outcomes yielded by distribution of social classes. For the borderline PD diagnosis, the inductive hypotheses were substantiated by findings of significantly advanced scholastic achievement, as well as the younger age of most cohorts versus diagnostic controls with Axis II PDs and psychiatric symptom disorders; and in pairwise contrasts of outpatients with hospitalized cohorts. Comorbidity of the borderline PD diagnosis was associated with significantly lower social class, scholastic achievement and to a lesser extent, more severe psychopathology. Evidence for predominantly convergent validation relative to the socioeducational variables was substantiated by comparisons with (a) cohorts selected by criteria of the DSM-III-R, Gunderson's DIB and Borderline Personality Scale: (b) Norwegian females admitted to Gaustad Hospital and (c) patients with the DSM-III diagnosis of borderline PD attending an outpatient clinic in Norway.
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Abstract
The link between borderline personality disorder (BPD) and affective disorders is controversial. The dexamethasone suppression test (DST) and the thyrotropin-releasing hormone (TRH) stimulation test, which are useful in the study of affective illness, might help to elucidate this possible link. This report assessed these endocrine tests in a sample of 20 borderline patients without a concomitant diagnosis of major depression (but showing depressive symptoms) in comparison to a group of sex- and age-matched patients with major depressive disorder (MDD) without BPD. Only 5 of our BPD patients were DST nonsuppressors compared to 13 MDD patients at a threshold of 50 micrograms/L. With a threshold of delta max TSH < 5 microU/mL following TRH, 1 BPD patient showed a blunted TSH response compared to 9 MDD patients. BPD patients displayed significantly less perturbed tests. These results show no evidence of an endocrine biological link between BPD and the MDD. The depressive symptoms observed in BPD patients might not have the same biological substrates as those found in patients with MDD.
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Affiliation(s)
- J M De la Fuente
- Free University of Brussels, Erasme Hospital, Department of Psychiatry, Belgium
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9
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Alm PO, af Klinteberg B, Humble K, Leppert J, Sörensen S, Tegelman R, Thorell LH, Lidberg L. Criminality and psychopathy as related to thyroid activity in former juvenile delinquents. Acta Psychiatr Scand 1996; 94:112-7. [PMID: 8883572 DOI: 10.1111/j.1600-0447.1996.tb09834.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Levels of triiodothyronine (T3) and thyroid-stimulating hormone (TSH), psychopathy-related personality traits and criminality from the age of 15 years onward were examined in 70 former juvenile delinquents and 35 control subjects aged 38-46 years. T3 levels were significantly associated with criminality but not with psychopathy-related personality traits. TSH levels were not related to any of these variables. Juvenile delinquents who displayed persistent criminal behaviour were found to have higher mean T3 levels than juvenile delinquents who did not display criminality in adulthood and non-criminal controls. Former juvenile delinquents with T3 levels above the mean level found in the controls were registered for criminality 3.8 times more often than juvenile delinquents with T3 levels below the mean level found in the control group. The results are discussed in terms of elevated T3 levels representing a compensatory or stress phenomenon for low social adaptive ability of individuals who display persistent criminal behaviour.
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Affiliation(s)
- P O Alm
- Department of Clinical Neuroscience and Family Medicine, Karolinska Institute, Huddinge, Sweden
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Hubain PP, Staner L, Dramaix M, Kerkhofs M, van Veeren C, Papadimitriou G, Mendlewicz J, Linkowski P. TSH response to TRH and EEG sleep in non-bipolar major depression: a multivariate approach. Eur Neuropsychopharmacol 1994; 4:517-25. [PMID: 7894263 DOI: 10.1016/0924-977x(94)90301-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The TSH response to TRH and selected sleep EEG variables were studied in a homogeneous sample of 280 non-bipolar major depressed inpatients (95 males and 185 females). The TSH response to TRH was blunted in 28% of the sample. delta max TSH was correlated negatively with age, Hamilton rating scale, Newcastle scale, percentage of wake, and positively with basal TSH, percentage of stage II, slow wave sleep, REM sleep and REM latency. delta max TSH was also lower in male patients and in patients suffering from an endogenous or a psychotic subtype of major depression. Basal TSH was only correlated negatively with the Newcastle score. In view of intercorrelations between all these variables, and because of the confounding effect of age, gender and severity on both the TSH response to TRH and sleep EEG variables, a multiple regression analysis was performed and demonstrated that basal TSH and gender were the two variables with the highest contribution to the delta max TSH variance, followed by age and the presence of psychotic symptoms. When controlling strictly for these significant effects, correlation with the severity or with the endogenous character of depression, and with sleep EEG parameters disappeared.
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Affiliation(s)
- P P Hubain
- Department of Psychiatry, Erasme Hospital, University of Brussels, Belgium
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Abstract
The authors examined thyrotropin-releasing hormone (TRH) stimulation testing in the neuroendocrine evaluation of DSM-III major depressive disorder in 26 consecutive medication-free, medically healthy patients meeting a primary DSM-III diagnosis of axis II personality disorder. Thyroid-stimulating hormone (TSH) responses to TRH challenge were not significantly different between patients with or without major depression at time of study, or between patients with or without a life history of major affective disorder. Further, TSH responses to TRH among 11 healthy male nonpsychiatric controls were not significantly different from those in patients with personality disorders. Comparison of those patients with blunted TSH responses (< 7.0 microU/ml) versus those without blunted response (< or = 7.0 microU/ml) also did not reveal a significant difference. In addition, the TSH response to TRH did not correlate with dimensional assessments of state or trait depression, anxiety, or with past history of suicide attempt or alcohol abuse. These data suggest that TRH stimulation testing has limited utility in the evaluation of major depression or other relevant affective states/traits in personality-disordered patients. Affective symptoms in personality-disordered patients do not seem to be associated with dysregulation of the hypothalamic-pituitary-thyroid axis.
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Affiliation(s)
- R J Kavoussi
- Clinical Neuroscience Research Unit, Medical College of Pennsylvania, Eastern Pennsylvania Psychiatric Institute, Philadelphia
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12
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Lucey JV, Butcher G, Clare AW, Dinan TG. The anterior pituitary responds normally to protirelin in obsessive-compulsive disorder: evidence to support a neuroendocrine serotonergic deficit. Acta Psychiatr Scand 1993; 87:384-8. [PMID: 8356888 DOI: 10.1111/j.1600-0447.1993.tb03392.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The prolactin and thyroid-stimulating hormone (TSH) responses to protirelin and the prolactin and cortisol responses to d-fenfluramine were measured in 8 outpatients with DSM-III-R obsessive-compulsive disorder (OCD). The results were compared to those in 8 age- and sex-matched healthy controls. The responses to d-fenfluramine were significantly attenuated in the OCD patients, but there was no significant difference between the responses to protirelin in OCD patients and healthy controls. The data suggest that, in OCD, blunting of prolactin responses to the serotonin-releasing agent d-fenfluramine is due to a central abnormality and not due to a pituitary deficit.
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Affiliation(s)
- J V Lucey
- Department of Psychiatry, Trinity College Medical School, St. James Hospital, Dublin, Ireland
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13
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Maeda K, Yoshimoto Y, Yamadori A. Blunted TSH and unaltered PRL responses to TRH following repeated administration of TRH in neurologic patients: a replication of neuroendocrine features of major depression. Biol Psychiatry 1993; 33:277-83. [PMID: 8471682 DOI: 10.1016/0006-3223(93)90295-o] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A blunted thyrotropin (TSH) and an unaltered prolactin (PRL) responses to thyrotropin-releasing hormone (TRH) are widely recognized in neuroendocrinology of depression. We studied effects of repeated TRH administration of 1 mg/day for 10 days on the pituitary-thyroid axis function and PRL secretion in 16 euthyroid patients with neurological disorders. Although levels of serum thyroid hormones and of nonstimulated PRL were not affected by the treatment, baseline TSH levels were markedly inhibited. A blunted response of TSH to TRH was found without a significant effect on a PRL response to TRH after long-term treatment with TRH in four patients in whom a TRH test was performed. These changes are similar to those in depressed patients. TRH administration in this manner replicates a lowered sensitivity of thyrotrophs of the pituitary with a normal responsibility of lactotrophs in depression.
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Affiliation(s)
- K Maeda
- Hyogo Institute of Clinical Research, Himeji, Japan
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14
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Nehls N. Group therapy for people with borderline personality disorder: interventions associated with positive outcomes. Issues Ment Health Nurs 1992; 13:255-69. [PMID: 1399522 DOI: 10.3109/01612849209078777] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Group psychotherapy is becoming a more prevalent treatment option for people with borderline personality disorder. Various types of group approaches have been discussed; however, data about specific interventions and their relationship to outcomes for subgroups of people with borderline personality disorder are lacking. The purpose of this study was to explicate the interventions used in a successful group therapy program developed for community mental health center clients with borderline personality disorder. Two independent raters used the Hill Counselor Verbal Response Category System-Revised to describe and categorize the therapists' verbal responses. Coding of eight videotaped sessions indicated that the therapists' level and type of verbal activity did not change over time. The most frequently utilized interventions across sessions were providing information and seeking information. These responses are indicative of a moderate and high degree of structure. The results suggest that clinicians must consider the unique needs of serious and persistently ill people with borderline personality disorder and plan group interventions accordingly.
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15
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Corrigan MH, Gillette GM, Quade D, Garbutt JC. Panic, suicide, and agitation: independent correlates of the TSH response to TRH in depression. Biol Psychiatry 1992; 31:984-92. [PMID: 1511081 DOI: 10.1016/0006-3223(92)90092-e] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We investigated the relationship between suicidality, agitation, panic attacks, and the thyrotropin-stimulating hormone (TSH) response to thyrotropin-releasing hormone (TRH), and tested the hypothesis that panic would account for the association between a reduced TSH response and the other conditions. Twenty-seven euthyroid primary unipolar depressed inpatient women received a TRH test and systematic psychiatric assessment. Panic attacks were insufficient to explain the link between the TSH response and suicidal intent, lethality, and agitation; each condition was independently associated with a lower TSH response. In an additive fashion, copresence of conditions further reduced TSH response. The symptom constellation of panic, agitation, and suicidality in depression may correlate with the greatest reduction in TSH response.
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Affiliation(s)
- M H Corrigan
- Dorothea Dix Hospital Clinical Research Unit, Raleigh, NC 27611
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16
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Bendfeldt-Zachrisson F. The Causality of Bulimia Nervosa. INTERNATIONAL JOURNAL OF MENTAL HEALTH 1992. [DOI: 10.1080/00207411.1992.11449222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Schlote B, Nowotny B, Schaaf L, Kleinböhl D, Schmidt R, Teuber J, Paschke R, Vardarli I, Kaumeier S, Usadel KH. Subclinical hyperthyroidism: physical and mental state of patients. Eur Arch Psychiatry Clin Neurosci 1992; 241:357-64. [PMID: 1504113 DOI: 10.1007/bf02191961] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We investigated whether subclinical hyperthyroidism [subnormal basal thyroid-stimulating hormone (TSH) level, attenuated TSH response to thyrotropin-releasing hormone (TRH) stimulation, peripheral thyroid hormones within normal range] is accompanied by physical and mental changes. Thirty-five subclinically hyperthyroid patients (27 female, 8 male) were compared with 60 overtly hyperthyroid patients (51 female, 9 male) and with 28 euthyroid control patients (18 female, 10 male) with respect to physical symptoms, affective state, short-term memory, ability to concentrate and psychomotor performance. Patients with subclinical hyperthyroidism ranged between the other two groups. The major difference between controls and subclinically hyperthyroid patients was an increase in frequency of nervous symptoms and symptoms due to an increase of metabolic rate and thermal regulation changes. The major differences between subclinically hyperthyroid and overtly hyperthyroid patients were psychomotor impairment and symptoms of increased metabolic rate. Self-ratings of affective state tended to be similar in patients with subclinical and overt hyperthyroidism. The ability to concentrate and short-term memory were not impaired in any group. Symptoms in patients with subclinical hyperthyroidism probably result from central changes which lead to attenuated TSH responses to TRH, or from elevated but still normal thyroxine levels, which possibly enhance the effect of catecholamines.
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Affiliation(s)
- B Schlote
- Berufsgenossenschaft Nahrungsmittel und Gaststätten, Mannheim, Federal Republic of Germany
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Paykel ES, del Campo AM, White W, Horton R. Neuroendocrine challenge studies in puerperal psychoses. Dexamethasone suppression and TRH stimulation. Br J Psychiatry 1991; 159:262-6. [PMID: 1773243 DOI: 10.1192/bjp.159.2.262] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Subjects admitted to hospital with post-partum psychoses were compared with matched normal post-partum controls using two neuroendocrine challenge tests: dexamethasone suppression of cortisol and TRH stimulation of TSH. Post-dexamethasone cortisol levels were significantly elevated. There were less-clear hints of blunting of TSH response. In the small samples there was no obvious association of abnormalities with any particular diagnoses within the range of mania, psychotic depression and schizoaffective disorders.
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Affiliation(s)
- E S Paykel
- Department of Psychiatry, University of Cambridge, Addenbrooke's Hospital
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Drake ME, Phillips BB, Pakalnis A. Auditory evoked potentials in borderline personality disorder. CLINICAL EEG (ELECTROENCEPHALOGRAPHY) 1991; 22:188-92. [PMID: 1879058 DOI: 10.1177/155005949102200311] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Borderline personality disorder is an increasingly recognized condition and frequent management problem in psychiatric and nonpsychiatric practice. Paroxysmal changes in affect and behavior, high incidence of soft neurologic signs and frequent EEG alterations, and evidence of clinical response to antiepileptic drugs have suggested cerebral dysfunction, particularly involving the limbic system or reticular activating system. We recorded early latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (ERPs) in 20 patients fulfilling DSM-III-R criteria for this disorder. BAEPs were recorded from Cz to ipsilateral and contralateral ear reference, with rarefaction clicks presented at 11.1 per second and 70 dB SL. Two thousand averages were recorded and replicated for each ear, with filter band pass of 150-3000 Hz and 10 ms analysis time. ERPs utilized binaural stimulation with 1000 and 3000 Hz tones in an 80:20 ratio, with interstimulus interval 1.1 second, analysis time 1000 ms, and filter band pass 1-100 Hz. Two hundred averages were recorded and replicated from Cz with linked ear reference. No differences were evident in I-III, III-V, and I-V interpeak latencies between borderline patients and age-matched neurologically and audiologically normal controls. N1, P2, and N2 components of the AEPs were longer in latency and lower in amplitude in borderline patients, while P3 latency was longer and amplitude was attenuated in borderline patients as compared to controls. These findings may suggest differences from normals in attention maintenance and in limbic system function.
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Affiliation(s)
- M E Drake
- Clinical Neurophysiology Laboratory, Ohio State University Hospitals, Department of Neurology, Columbus
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Kutcher S, Malkin D, Silverberg J, Marton P, Williamson P, Malkin A, Szalai J, Katic M. Nocturnal cortisol, thyroid stimulating hormone, and growth hormone secretory profiles in depressed adolescents. J Am Acad Child Adolesc Psychiatry 1991; 30:407-14. [PMID: 2055876 DOI: 10.1097/00004583-199105000-00009] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Twelve depressed adolescents and 12 controls matched for age, sex, Tanner stage, time of menstrual cycle (females), weight, and time of year assessed were studied over 3 nights. Measurements for cortisol, thyroid stimulating hormone, and growth hormone were made on serum collected at 10 P.M., 12 midnight, 1 A.M., 2 A.M., 3 A.M., 4 A.M., and 6 A.M. in eight pairs and every 20 minutes from 8 P.M. to 7 A.M. in four pairs. Cortisol secretion did not significantly differentiate the groups. Thyroid stimulating hormone secretion was significantly elevated in the depressed group at one time point. Growth hormone secretion significantly differentiated the two groups at most time points, and the depressed adolescents significantly hypersecreted growth hormone (area under the curve). Implications for the diagnosis, etiology, and treatment of adolescent depression are discussed.
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Affiliation(s)
- S Kutcher
- Division of Adolescent Psychiatry, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada
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21
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Southwick SM, Yehuda R, Giller EL, Perry BD. Platelet alpha 2-adrenergic receptor binding sites in major depressive disorder and borderline personality disorder. Psychiatry Res 1990; 34:193-203. [PMID: 1962862 DOI: 10.1016/0165-1781(90)90019-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Platelet alpha 2-adrenergic receptor binding sites were measured in a group of patients with major depressive disorder (MDD) (n = 23) and in normal controls (n = 25). When all depressed subjects were compared to controls, there were no differences in either Kd (affinity of the ligand) or total binding site (number/platelet), although a significant change in the ratio of high to low affinity states was observed in the depressed group. When the depressed patients were subdivided into those with and without a co-occurring borderline personality disorder (BPD), the BPD group had significantly fewer alpha 2 high affinity binding sites, while the group with depression alone had significantly more binding sites (both low and high affinity) than the control group. The results support the concept that assessment of comorbid diagnoses may be essential to biological studies of depression.
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Affiliation(s)
- S M Southwick
- Posttraumatic Stress Disorder Program, West Haven VA Medical Center, CT
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22
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Yehuda R, Southwick SM, Edell WS, Giller EL. Low platelet monoamine oxidase activity in borderline personality disorder. Psychiatry Res 1989; 30:265-73. [PMID: 2616692 DOI: 10.1016/0165-1781(89)90018-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Platelet monoamine oxidase (MAO) activity was significantly lower in nonpsychotic, nonorganic, unmedicated male inpatients with DSM-III-R borderline personality disorder (BPD) than in nonpsychiatric controls. Patients with BPD who also met DSM-III-R criteria for antisocial personality disorder had significantly lower MAO activity than those with BPD alone. Low MAO activity in this sample did not appear to be related to the comorbid presence of major depressive disorder or a history of substance abuse.
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Affiliation(s)
- R Yehuda
- University of Connecticut Health Center, Farmington 06516
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23
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Kutcher SP, Blackwood DH, Gaskell DF, Muir WJ, St Clair DM. Auditory P300 does not differentiate borderline personality disorder from schizotypal personality disorder. Biol Psychiatry 1989; 26:766-74. [PMID: 2590690 DOI: 10.1016/0006-3223(89)90117-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The P300 response to an auditory two-tone discrimination task has previously been reported to have prolonged latency and reduced amplitude in schizophrenia and borderline personality disorder. In this study, P300 was recorded from 23 subjects with borderline personality disorder, 12 subjects fulfilling criteria for both borderline and schizotypal personality, and 11 subjects with schizotypal personality. The mean P300 latency was similar in each of these groups and was significantly longer than in 32 patients with neuroses and other personality disorders and 74 nonpatient controls. These findings suggest that borderline and schizotypal patients share a similar abnormality in auditory stimulus evaluation and question whether or not these disorders are separate.
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Affiliation(s)
- S P Kutcher
- Department of Psychiatry, Sunnybrook Medical Centre, University of Toronto, Canada
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24
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Marin DB, De Meo M, Frances AJ, Kocsis JH, Mann J. Biological Models and Treatments for Personality Disorders. Psychiatr Ann 1989. [DOI: 10.3928/0048-5713-19890301-09] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Abstract
Abnormal neuroendocrine responses have been found in depression and eating disorders. It remains unclear whether these reflect an underlying shared biology or epiphenomena. To evaluate this further, we conducted the 1 mg DST and the TSH response to 500 micrograms i.v. TRH in normal-weight bulimics and controls. Bulimics (n = 18) demonstrated significantly more DST non-suppression (45%) than controls (18%; n = 20). In the bulimic group, non-suppressors were significantly thinner than suppressors, but did not differ from them on any measure of depression. Bulimics (n = 19) and controls (n = 12) responded similarly without blunting on the TSH response to TRH. These data suggest that DST non-suppression may be related to non-specific variables such as weight. Bulimics do not demonstrate TSH blunting as found in some depressed patients. These tests do not support evidence for a biological link between these disorders.
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Affiliation(s)
- A S Kaplan
- Eating Disorder Centre, Toronto General Hospital, Ontario, Canada
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26
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Kiriike N, Izumiya Y, Nishiwaki S, Maeda Y, Nagata T, Kawakita Y. TRH test and DST in schizoaffective mania, mania, and schizophrenia. Biol Psychiatry 1988; 24:415-22. [PMID: 2900656 DOI: 10.1016/0006-3223(88)90178-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The thyrotropin-releasing hormone (TRH) test and the Dexamethasone Suppression Test (DST) were given to 10 patients who met Research Diagnostic Criteria (RDC) for schizoaffective disorder, manic type, 9 who met the criteria for mania, and 27 who met the criteria for schizophrenia. A blunted thyrotropin (TSH) response to TRH was observed in 3 of the 10 schizoaffective manics, 4 of the 9 manics, and 3 of the 27 schizophrenics. Nonsuppression on the DST was observed in 5 of the 10 schizoaffective manics, 2 of the 9 manics, and 2 of 22 schizophrenics. The schizoaffective manic and the manic patients had similar rates of TSH blunting and DST nonsuppression, and these were significantly higher than the rates in the schizophrenic patients. This difference was not attributable to baseline TSH and cortisol levels or to neuroleptic treatment. It is suggested that patients with RDC schizoaffective mania and mania have more disturbance in the hypothalamic-pituitary adrenal and thyroid axes than patients with schizophrenia.
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Affiliation(s)
- N Kiriike
- Department of Neuropsychiatry, Osaka City University Medical School, Japan
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27
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Lahmeyer HW, Val E, Gaviria FM, Prasad RB, Pandey GN, Rodgers P, Weiler MA, Altman EG. EEG sleep, lithium transport, dexamethasone suppression, and monoamine oxidase activity in borderline personality disorder. Psychiatry Res 1988; 25:19-30. [PMID: 3217463 DOI: 10.1016/0165-1781(88)90154-0] [Citation(s) in RCA: 62] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Twenty-one patients who met DSM-III criteria for borderline personality disorder (BPD) and also scored at least 7 on the Diagnostic Interview for Borderlines (DIB) were assessed on four biological markers: electroencephalographic (EEG) sleep, in vitro lithium ratio, platelet monoamine oxidase (MAO), and dexamethasone suppression test (DST). REM latency averaged 58.66 (SD 14.39); platelet MAO averaged 21.74 (SD 10.33); and lithium ratio was 0.357 (SD 0.139) in the BPD patients. All of those values were significantly abnormal. Many patients had abnormalities on three or four measures. These patients in general had multiple Axis I diagnoses from the Diagnostic Interview Schedule (DIS), and these Axis I diagnoses tended to produce patient clusters. Patients with a DIS diagnosis of schizophrenia, mania, hypomania, or schizoaffective mania had elevated lithium, low MAO, and normal EEG sleep, while those patients with coexisting major depression tended to have short rapid eye movement (REM) latency, high REM density, and normal MAO and lithium ratio. Only two patients were nonsuppressors on the DST, confirming recent reports of normal DST results in personality disorders.
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Affiliation(s)
- H W Lahmeyer
- Dept. of Psychiatry, University of Illinois, Chicago 60680
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28
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Steiner M, Links PS, Korzekwa M. Biological markers in borderline personality disorders: an overview. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 1988; 33:350-4. [PMID: 3136905 DOI: 10.1177/070674378803300507] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The state of knowledge in the area of suggested biological markers that may delineate subpopulations of patients with borderline personality disorders (BPD) is reviewed. There is widespread disagreement as to the specificity of these markers. The clinical implications of Axis I--Axis II, state vs. trait, acute vs. chronic, and definite vs. probable diagnoses, all seem to contribute to the confusion in this area. Some patients with BPD and with schizotypal personality disorders (SPD) share neuroendocrine abnormalities with affective disorders (AD) and schizophrenic (SCH) patients respectively. This interface and/or potential overlap between personality disorders (PD) and the major mental disorders is discussed with special reference to the DST, TRH/TSH test, and REM latency which have already been established as valuable biological markers for certain subtypes of depression. In contrast, biologic abnormalities observed in chronic schizophrenia are also present in some SPD patients. Current data are supportive of the hypothesis that some PD patients are independent whereas others are genetically related to the major mental disorders.
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Affiliation(s)
- M Steiner
- Faculty of Health Sciences, McMaster University, Hamilton, Ontario
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29
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30
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Roy A, Karoum F, Linnoila M, Pickar D. Thyrotropin releasing hormone test in unipolar depressed patients and controls: relationship to clinical and biologic variables. Acta Psychiatr Scand 1988; 77:151-9. [PMID: 3129906 DOI: 10.1111/j.1600-0447.1988.tb05092.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We compared unipolar depressed patients (n = 31) with controls (n = 38) for their responses to the thyrotropin releasing hormone (TRH) test. Depressed patients showed significantly smaller thyrotropin stimulating hormone (TSH) responses to TRH which correlated negatively with post-dexamethasone plasma cortisol levels. Depressed patients also showed significant negative correlations between delta max TSH and urinary outputs of norepinephrine and normetanephrine with similar trends with plasma levels of norepinephrine and 3-methoxy-4-hydroxyphenylglycol. Patients who showed a blunted TSH response, compared with those who did not, had significantly lower platelet serotonin uptake values. These results suggest that the blunted TSH response to TRH seen in depression may be associated with dysregulation of the cortisol, noradrenergic and serotonin systems.
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Affiliation(s)
- A Roy
- Section on Clinical Studies, National Institute of Mental Health, Bethesda, Maryland
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31
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32
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Abstract
1. The tripeptide TRH exerts a spectrum of biological activities in both animals and man. Some of these activities have been extensively studied, particularly in psychiatric patients. 2. Behaviorally, TRH appears to increase the sense of well-being, motivation, relaxation, and coping capacity in both normal subjects and patients with psychiatric and neurologic disease. These effects are not disease-specific; attempts to use TRH as a treatment tool have thus been disappointing. 3. Endocrinologically, administration of TRH stimulates the response of TSH; this response has been reported to be blunted in approximately 30% of patients with major depression. However, TSH blunting is not specific for depression, it has also been observed in a variety of other psychiatric conditions. 4. The relevance of these effects for psychiatry in general, and for psychoneuroendocrinology especially, is discussed in this review.
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Affiliation(s)
- P T Loosen
- Vanderbilt University Medical Center, Nashville, Tennessee
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33
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Kontaxakis V, Markianos M, Vaslamatzis G, Markidis M, Kanellos P, Stefanis C. Multiple neuroendocrinological responses in borderline personality disorder patients. Acta Psychiatr Scand 1987; 76:593-7. [PMID: 3124503 DOI: 10.1111/j.1600-0447.1987.tb02924.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Male patients suffering from borderline personality disorder (n = 13), major depression (n = 13) or schizophrenia (n = 13) were investigated on several psychopathological (HDRS, BPRS) and neuroendocrinological (DST and TSH, PRL, GH responses to TRH) parameters. Comparisons were made between the borderline group and the other groups of patients. Borderline patients differed from schizophrenics psychopathologically (BPRS) and neuroendocrinologically (DST). Also, borderline patients differed from major depressives in the HDRS, but behaved like them concerning DST. Our findings support the hypothesis that there are neuroendocrinological similarities between borderline personality disorder and major depressive patients, especially on the hypothalamo-pituitary-adrenal axis.
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Affiliation(s)
- V Kontaxakis
- Department of Psychiatry, Athens University Medical School, Eginition Hospital, Greece
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34
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Garbutt JC, Loosen PT, Glenn M. Lack of effect of dopamine receptor blockade on the TSH response to TRH in borderline personality disorder. Psychiatry Res 1987; 21:307-11. [PMID: 3114780 DOI: 10.1016/0165-1781(87)90014-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We recently reported that some patients with borderline personality disorder (BPD) exhibit a blunted thyrotropin (thyroid-stimulating hormone; TSH) response to thyrotropin-releasing hormone (TRH). Because it is known that dopamine can inhibit the TSH response to TRH and that some patients with BPD show improvement with antipsychotic (dopamine-blocking) medication, we investigated whether haloperidol could reverse the blunted TSH response in BPD. Of 12 patients with BPD, three showed a blunted TSH response that did not normalize with haloperidol. Furthermore, there were no overall group changes in TSH response with haloperidol. The present study suggests that reductions in TSH response in BPD are not secondary to dopamine.
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35
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36
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Rial RV, Tur JA, Palmer AM, Tur J. Altered responsiveness to ambiental stimuli in altered thyroidal states. Physiol Behav 1987; 41:119-23. [PMID: 3685160 DOI: 10.1016/0031-9384(87)90140-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Hypothyroidal rats produced by low iodine diet or propylthiouracyl (PTU) were less active in the open field and received fewer food reinforcements than controls in a lever press situation at both 22 degrees C and 1 degree C. The hypothyroid rats also pressed less when heat was the reinforcer. On the other hand, hyperthyroidal rats produced by thyroid powder ingestion showed reduced emotionality in the open field. Acute exposure to cold failed to increase their alimentary or heat reinforced behavior. The results suggest that hypothyroidism produces a general inattention to the environment. This is found whether the environmental stimulus is an opportunity to explore, access to food or the availability of external heat.
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Affiliation(s)
- R V Rial
- Dept. of Biology and Health Sciences, Universitat de les Illes Balears, Ciutat de Mallorca, Spain
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37
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Abstract
In an evaluation of the possible role of dopamine on TRH test results, 21 depressed patients were given TRH before and after one week of treatment with a low dose of haloperidol. Haloperidol significantly increased serum prolactin (both basal and after TRH) and cortisol levels, decreased body temperature, and had no effect on serum TSH, growth hormone, or thyroid hormone levels. Five of six patients with initial TSH blunting were retested with TRH; in four patients the TSH response remained blunted. These data render it unlikely that dopamine exerts a major inhibitory input on TSH secretion in depression.
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38
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Sunderland T, Tariot PN, Mueller EA, Newhouse PA, Murphy DL, Cohen RM. TRH stimulation test in dementia of the Alzheimer type and elderly controls. Psychiatry Res 1985; 16:269-75. [PMID: 3937167 DOI: 10.1016/0165-1781(85)90118-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Dementia of the Alzheimer type (DAT) is known to be a heterogeneous syndrome with many clinical manifestations, including depression. In the present study, the thyrotropin-releasing hormone (TRH) stimulation test, previously used as a possible biological marker of depression, was administered to 15 DAT patients and 10 elderly controls. Seven out of 15 (47%) of the patients but none of the controls showed a blunted response with maximal changes of thyroid-stimulating hormone (TSH) from baseline of less than or equal to 7 microIU/ml following injection of 500 micrograms of TRH. The degree of blunting did not correlate with concurrent depression ratings.
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39
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Schulz SC, Schulz PM, Dommisse C, Hamer RM, Blackard WG, Narasimhachari N, Friedel RO. Amphetamine response in borderline patients. Psychiatry Res 1985; 15:97-108. [PMID: 3862151 DOI: 10.1016/0165-1781(85)90045-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The behavioral and biological responses to d-amphetamine have been studied extensively in patients with schizophrenia and depression, and to a lesser degree in bipolar affective disorders. Because of theories linking borderline personality disorder to those illnesses, amphetamine, 30 mg, p.o., was administered to eight borderline patients in a double-blind, placebo-controlled study and the results were compared to the responses of normal subjects under identical conditions. Amphetamine led to symptoms of psychosis in four out of eight (50%) borderline patients. No normal subject became psychotic during the procedure. Global ratings of well-being were significantly elevated in the borderline group compared to the normal group. In addition the global response was highly inversely correlated with the patient's score on the Diagnostic Interview for Borderlines. Borderline patients had a nonsignificantly decreased growth hormone response following amphetamine compared to normals. Thus, borderline patients appear to be pharmacodynamically separable from normals.
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40
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Garbutt JC, Hsiao JK, Mayo JP, Blacharsh J. A study of the TRH test in a family with psychiatric illness: a reflection on the TRH test as a state-trait marker. Biol Psychiatry 1985; 20:570-2. [PMID: 3921066 DOI: 10.1016/0006-3223(85)90029-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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41
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42
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Radouco-Thomas S, Garcin F, Murthy MR, Faure N, Lemay A, Forest JC, Radouco-Thomas C. Biological markers in major psychosis and alcoholism: phenotypic and genotypic markers. J Psychiatr Res 1984; 18:513-39. [PMID: 6439854 DOI: 10.1016/0022-3956(84)90038-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Some basic concepts and trends which appear to be essential in the search for biological markers in mental disorders are discussed. Comments related to major psychosis and alcoholism are presented under three headings: (i) heterogeneity of disorders (ii) multifactoriality of disorders and (iii) mental disorders as genetically influenced disorders. Tentative classification and terminology of biological markers are given. Various types of phenotypic markers are discussed and alcoholism is taken as a model for a more detailed discussion of available putative phenotypic markers and of research strategies to be used, namely the pharmacological challenge in high risk subjects (e.g. ethanol and TRH challenge). Some highlights from the field of DNA markers are described, mainly the basic procedures which may be used to investigate genetic aspects of mental disorders by recombinant DNA technology.
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