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1.
Clin Psychol Psychother ; 31(3): e2979, 2024.
Article in English | MEDLINE | ID: mdl-38695648

ABSTRACT

INTRODUCTION: Cognitive impairment associated with borderline personality disorder (BPD) has been consistently demonstrated. However, a specific neuropsychological profile has not yet been established for this disorder, maybe due to the heterogeneity of BPD. The aim of this work is the search for distinct neuropsychological subtypes among patients with BPD and for the association of neuropsychological subgroups with specific clinical characteristics. METHODOLOGY: One hundred fifteen patients with BPD diagnosis received an extensive neuropsychological evaluation assessing attentional, memory and executive functions indexes. For subtyping strategies, a cluster analysis of neuropsychological BPD distribution was performed. Central clinical dimensions of BPD were measured and analysed in relation with the obtained neuropsychological clusters. RESULTS: Two clusters were found: Cluster 1 showed a significantly lower score on the working memory index, and Cluster 2 had significantly worse overall executive performance, response inhibition and planning abilities. Patients in the neurocognitive Cluster 2 showed significantly higher clinical deficits of attention as measured with subscales of the CAARS attention deficit hyperactivity disorder (ADHD) index (F = 2.549, p < 0.005, d = 11.49). CONCLUSIONS: Two neuropsychological clusters of patients were found in the BPD sample: Cluster 1 patients showed greater impairment in working memory, while Cluster 2 patients had greater deficits of executive functioning, particularly for response inhibition and planning. In addition, BPD patients with greater executive deficits presented greater levels of ADHD clinical features. These findings might also facilitate earlier diagnosis of severe BPD patient profiles and to establish more personalized treatment based on neurocognitive stimulation.


Subject(s)
Attention Deficit Disorder with Hyperactivity , Borderline Personality Disorder , Executive Function , Neuropsychological Tests , Humans , Borderline Personality Disorder/psychology , Borderline Personality Disorder/complications , Borderline Personality Disorder/diagnosis , Female , Male , Attention Deficit Disorder with Hyperactivity/psychology , Attention Deficit Disorder with Hyperactivity/complications , Neuropsychological Tests/statistics & numerical data , Adult , Cluster Analysis , Memory, Short-Term , Young Adult , Cognitive Dysfunction/psychology , Cognitive Dysfunction/complications , Attention
2.
World J Biol Psychiatry ; 24(7): 587-594, 2023.
Article in English | MEDLINE | ID: mdl-36919867

ABSTRACT

OBJECTIVES: This study is designed to search for aggrupation of inflammatory/oxidative biomarker alterations in borderline personality disorder (BPD) and their association with phenotypic features. METHODOLOGY: Inflammatory/nitrosative proteins were measures in plasma and peripheral blood mononuclear cells obtained from BPD patients. Patients were assessed on different clinical dimensions of BPD. Oxidative damage was tested by measuring TBARS, nitrites, catalase, GPx and SOD. Protein expression of IκBα, NFκB, iNOS, COX-2, PPARγ, Keap1, NQO1, Nrf2 and α7nAChR was also determined. Western blot and ELISA were used for measurements and a cluster analysis of inflammatory/oxidative biomarkers alterations was performed to investigate subgroups of patients with similar alterations and its relationship with clinical features of BPD. RESULTS: 69 patients were included in the study. Two inflammatory/nitrosative clusters of patients were found: Cluster 1 patients showed significantly higher levels of GPx, IκBα, keap1, NQO1, PPARγ, α7nAChR and Nrf2 than cluster 2 patients. These patients had significantly longer duration of illness, milder anxiety symptoms and lower prescription of antipsychotic drugs than cluster 2. CONCLUSIONS: Two clusters of BPD patients according to the inflammatory/nitrosative profiles were identified. Cluster 1 had increased antioxidant and anti-inflammatory biomarkers and was characterised by greater chronicity of illness but less acute symptomatic severity.


Subject(s)
Borderline Personality Disorder , Humans , Kelch-Like ECH-Associated Protein 1/metabolism , NF-KappaB Inhibitor alpha/metabolism , Endophenotypes , alpha7 Nicotinic Acetylcholine Receptor/metabolism , Leukocytes, Mononuclear/metabolism , NF-E2-Related Factor 2/metabolism , PPAR gamma/metabolism , Biomarkers/metabolism , Cluster Analysis , Oxidative Stress
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