Abstract：
:Dietary administration of L-tryptophan to rats failed to increase blood platelets. Instead platelet counts were decreased after feeding either a tryptophan-deficient or tryptophan-enriched (10%) diet, but were unchanged in animals on a 1% tryptophan diet. Platelet median volumes were not affected by any of these dietary regimens. As expected these dietary manipulations altered both brain and blood serotonin levels in the direction expected for a substrate dependence of serotonin biosynthesis.
journal_name
Biol Psychiatryjournal_title
Biological psychiatryauthors
Sakuma Msubject
Has Abstractpub_date
1980-12-01 00:00:00pages
891-8issue
6eissn
0006-3223issn
1873-2402journal_volume
15pub_type
杂志文章abstract：:Although much is now known about the neural basis of fear acquisition, the mechanisms of fear inhibition or suppression remain largely obscure. Fear inhibition is studied in the laboratory through the use of an extinction procedure, in which an animal (typically a rat) is exposed to nonreinforced presentations of a co...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/s0006-3223(02)01507-x
更新日期：2002-11-15 00:00:00
abstract：BACKGROUND:Both corticotropin-releasing factor (CRF) and glucocorticoid receptors (GR) are implicated in the psychotic symptoms of psychiatric disorders. Correspondingly, it is of interest to determine their respective involvement in the sensorimotor gating deficits displayed by transgenic mice overexpressing CRF. Thes...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2007.06.002
更新日期：2008-02-15 00:00:00
abstract：BACKGROUND:Reduced responsiveness to positive incentives is a central feature of Major Depressive Disorder (MDD). In the present study, we compared neural correlates of monetary incentive processing in unmedicated depressed participants and never-depressed control subjects. METHODS:Fourteen currently depressed and 12 ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2007.07.023
更新日期：2008-04-01 00:00:00
abstract：:Psychiatric disturbances affect as many as 90% of patients with Alzheimer's disease (AD) and are a major focus of treatment. Depression is one of the most frequent psychiatric complications of AD, affecting as many as 50% of patients. In this context, depression is a significant public health problem that has a series...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/s0006-3223(02)01348-3
更新日期：2002-08-01 00:00:00
abstract：BACKGROUND:Treatment approaches for major depressive disorder (MDD) result in approximately one third of patients achieving remission after a first treatment. Added treatment generally improves remission rates, but approximately one third of all patients fail to respond after several treatments (sequential monotherapie...
journal_title：Biological psychiatry
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.biopsych.2013.12.005
更新日期：2014-10-01 00:00:00
abstract：BACKGROUND:Animal studies demonstrate that stress and negative affect enhance the release of the neuropeptide substance P (SP), which binds to the neurokinin 1 (NK1) receptor. This positron emission tomography (PET) study evaluated how the activity in the SP-NK1 receptor system in the amygdala was affected by fear prov...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章
doi：10.1016/j.biopsych.2006.07.003
更新日期：2007-04-15 00:00:00
abstract：BACKGROUND:Exaggerated corticotropin (ACTH) and cortisol response to the combined dexamethasone (DEX)/corticotropin releasing hormone (CRH) test, indicating impaired regulation of the hypothalamus-pituitary-adrenocortical (HPA) system, is frequently observed in depression. In the present study, we examined whether chan...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2006.07.039
更新日期：2007-07-01 00:00:00
abstract：BACKGROUND:Postmortem brain studies have shown that HDAC1-a lysine deacetylase with broad activity against histones and nonhistone proteins-is frequently expressed at increased levels in prefrontal cortex (PFC) of subjects diagnosed with schizophrenia and related disease. However, it remains unclear whether upregulated...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2013.03.020
更新日期：2013-11-01 00:00:00
abstract：:There is a strong association between depression and smoking. Because monoamine oxidase (MAO) inhibition leads to antidepressant effect and in vitro studies have shown that cigarette smoke inhibits MAO activity, it is conceivable that smoking may have an antidepressant effect, if smokers have reduced MAO activity. The...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章
doi：10.1016/0006-3223(95)00084-4
更新日期：1995-12-01 00:00:00
abstract：:Long-term normal-dose benzodiazepine treatment in seven patients was associated with reduced urinary excretion of MOPEG (4-hydroxy-3-methoxy-phenylglycol). Following the discontinuation of the drugs a characteristic withdrawal reaction occurred, with an increase towards normal values of the MOPEG excretion levels and ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1983-02-01 00:00:00
abstract：BACKGROUND:Stressors negatively impact emotional state and drive drug seeking, in part, by modulating the activity of the mesolimbic dopamine system. Unfortunately, the rapid regulation of dopamine signaling by the aversive stimuli that cause drug seeking is not well characterized. In a series of experiments, we scruti...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2014.09.004
更新日期：2015-05-15 00:00:00
abstract：BACKGROUND:Structural MRI data indicate schizophrenics have reduced left-sided temporal lobe gray matter volumes, especially in the superior temporal gyrus (STG) and medial temporal lobe. Our data further suggest a specificity to schizophrenia spectrum disorders of STG volume reduction. Interpretation of research studi...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(99)00030-x
更新日期：1999-06-01 00:00:00
abstract：:A high incidence of behavioral and learning difficulties has been found in juvenile seizure-prone baboons presented with a graded series of operant behavioral task challenges. The animals fell into two distinct groups based upon the rate at which their operant performance was able to develop, the amount of day-to-day ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1979-06-01 00:00:00
abstract：BACKGROUND:Conflicting findings have emerged from studies examining the impact of depression on death and readmission following a coronary event, possibly reflecting differences in the measurement of "depression" and the onset of depression in relation to the coronary event. The aim of this study was to examine the rel...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2008.05.021
更新日期：2008-10-15 00:00:00
abstract：:The pharmacokinetics of dexamethasone (DEX) were studied in 9 drug-free melancholically depressed patients and 10 healthy control subjects matched by sex and age. Each subject received 1 mg of DEX administered orally and by the (i.v.) route at 11:00 PM and serial blood samples were collected over the next 17 hours unt...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章
doi：10.1016/s0006-3223(96)00094-7
更新日期：1997-03-01 00:00:00
abstract：BACKGROUND:Elevated levels of proinflammatory cytokines, especially interleukin-6 (IL-6), can mediate the greater risk for cardiovascular disease in individuals with posttraumatic stress disorder (PTSD), particularly in those with comorbid major depressive disorder (MDD). However, IL-6 levels are not consistently eleva...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2010.07.033
更新日期：2010-12-01 00:00:00
abstract：BACKGROUND:Chromium picolinate (CP) has been reported to benefit patients with symptoms of atypical depression. METHODS:A placebo-controlled, double-blind, pilot study of CP was conducted in 15 patients with DSM-IV major depressive disorder, atypical type. Patients received 600 micro g of CP or matching placebo (PBO) ...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0006-3223(02)01500-7
更新日期：2003-02-01 00:00:00
abstract：:We examined the circadian rhythm of core body temperature (CBT) in 22 school refusal patients, ages between 12 and 18 years, who did not have any physical or psychiatric disorders, but had indefinite complaints, and were suspected to have a circadian rhythm disturbance. To obtain normal data for analysis, CBT in 9 hea...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/S0006-3223(96)00179-5
更新日期：1997-04-01 00:00:00
abstract：BACKGROUND:Microtubule-associated protein 2 (MAP2) is a neuronal protein that plays a role in maintaining dendritic structure through its interaction with microtubules. In schizophrenia (Sz), numerous studies have revealed that the typically robust immunoreactivity (IR) of MAP2 is significantly reduced across several c...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2014.12.029
更新日期：2015-09-15 00:00:00
abstract：:Posttraumatic stress disorder (PTSD) is a stress-related psychiatric disorder that is thought to emerge from complex interactions among traumatic events and multiple genetic factors. Epigenetic regulation lies at the heart of these interactions and mediates the lasting effects of the environment on gene regulation. An...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/j.biopsych.2015.04.003
更新日期：2015-09-01 00:00:00
abstract：BACKGROUND:Although cocaine is known to be a highly addictive drug, there appears to be a select subset of individuals who are able to use the substance recreationally without developing dependence. These individuals do not report experiencing feelings of craving for cocaine, an important distinction from dependent use...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2013.05.019
更新日期：2014-01-15 00:00:00
abstract：:Cerebrospinal fluid (CSF) measures of dynorphin A were compared in three groups. Alzheimer patients (n = 9), elderly depressives (n = 9), and age-matched normal controls (n = 9). The Alzheimer patients revealed a 40% decrease in CSF dynorphin compared with controls (36 +/- 15 versus 60 +/- 21 pg/ml, p less than 0.05)....
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(91)90073-u
更新日期：1991-07-01 00:00:00
abstract：BACKGROUND:No objective diagnostic biomarkers or laboratory tests have yet been developed for psychotic illness. Magnetic resonance imaging (MRI) studies consistently find significant abnormalities in multiple brain structures in psychotic patients relative to healthy control subjects, but these abnormalities show subs...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2009.07.019
更新日期：2009-12-01 00:00:00
abstract：BACKGROUND:Stress activates the hypothalamic-pituitary-adrenal (HPA) axis, so it was expected that posttraumatic stress disorder (PTSD) would be associated with activation of this axis; however, studies have found both increased and decreased cortisol in PTSD. To address this question, we collected saliva cortisol at h...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2004.05.011
更新日期：2004-08-01 00:00:00
abstract：:This article demonstrates methods by which receiver operating characteristics (ROC) analysis may be used to evaluate and improve the Dexamethasone Suppression Test (DST). ROC indices provide a description of nonbinary diagnostic tests that is independent of any particular cutoff and that allows investigators to use ri...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(89)90160-1
更新日期：1989-01-15 00:00:00
abstract：BACKGROUND:Chronic pain is clinically associated with the development of affective disorders. However, studies in animal models of neuropathic pain are contradictory and the relationship with mood disorders remains unclear. In this study, we aimed to characterize the affective consequences of neuropathic pain over time...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2011.07.017
更新日期：2011-11-15 00:00:00
abstract：:Somatostatin is a tetradecapeptide that is assuming increasing importance as a regulator of central nervous system activity. Originally identified as the hypothalamic growth hormone release-inhibiting factor, somatostatin has subsequently been shown to be extensively and selectively distributed throughout the central ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(86)90163-0
更新日期：1986-04-01 00:00:00
abstract：:Cannabis use has been reported to increase the risk of developing schizophrenia and to worsen symptoms of the illness. Both of these outcomes might be attributable to the disruption by cannabis of the endogenous cannabinoid system's spatiotemporal regulation of the inhibitory circuitry in the prefrontal cortex that is...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/j.biopsych.2015.06.015
更新日期：2016-04-01 00:00:00
abstract：BACKGROUND:Solid evidence links schizophrenia (SZ) susceptibility to neurodevelopmental processes involving tyrosine phosphorylation-mediated signaling. Mouse studies implicate the Ptpra gene, encoding protein tyrosine phosphatase RPTPα, in the control of radial neuronal migration, cortical cytoarchitecture, and oligod...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2011.06.016
更新日期：2011-10-01 00:00:00
abstract：:Previous neuroimaging research has contributed insights regarding the neural substrates of specific psychiatric disorders. The purpose of this study was to determine the shared mediating neuroanatomy of anxiety symptoms across three different anxiety disorders. Data were pooled from 23 right-handed adult outpatients m...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章
doi：10.1016/S0006-3223(97)00145-5
更新日期：1997-09-15 00:00:00
