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Development and external validation of a diagnostic model for differentiating major depressive disorder from bipolar disorder

 Published on 28/04/2026 |  Original article (Full-text)  | Zheng Hongxin et al. | BMC Psychiatry 2026; 26(1): 197

Bipolar disorder (BD), as a recurrent mood disorder, affects approximately 2% of the global population, and its core features include extreme fluctuations in mood states, ranging from manic periods of extreme euphoria and activation to depressive periods of low mood, energy depletion, and despair [1]....

Transcriptomic Analysis of the Amygdala in Subjects with Schizophrenia, Bipolar Disorder and Major Depressive Disorder Reveals Differentially Altered Metabolic Pathways

 Published on 21/04/2026 |  Original article (Full-text)  | Xiaolu Zhang et al. | Schizophrenia bulletin. Volume 52(2).

The amygdala, crucial for mood, anxiety, fear, and reward regulation, shows neuroanatomical and molecular divergence in psychiatric disorders like schizophrenia, bipolar disorder and major depression. This region is also emerging as an important regulator of metabolic and immune pathways. The goal of...

Cortical Transcriptomic Profiling Reveals Cellular and Mitochondrial Adaptive Stress Signatures That Differ Between Schizophrenia and Bipolar Disorder

 Published on 14/04/2026 |  Original article (Full-text)  | Jill R Glausier et al. | Schizophrenia bulletin. Volume 52(2).

Identifying the nature of mitochondrial perturbations in brain regions dysfunctional in schizophrenia (SZ) and bipolar disorder (BP) is essential to decipher their disease processes. Employing "threshold-free" analytical approaches that evaluate patterns of gene expression differences and functional...

Disrupted Structural Covariance in Schizophrenia, Bipolar Disorder, and Major Depressive Disorder

 Published on 07/04/2026 |  Original article (Full-text)  | Yubing Yin et al. | Schizophrenia bulletin. Volume 52(2).

Shared clinical features and genetic factors in schizophrenia (SCZ), bipolar disorder (BD), and major depressive disorder (MDD) have led to the hypothesis of common pathophysiological mechanisms. This study aims to elucidate aberrant transdiagnostic structural covariance patterns across these disorders...

Behavioral, cellular, and molecular changes in two animal models of bipolar disorder mania: sleep deprivation-induced mice and

 Published on 31/03/2026 |  Original article (Full-text)  | Rong-Jun Ni et al. | Cerebral Cortex. Volume 35(5).

Sleep disturbances are prevalent in bipolar disorder (BD) patients, and the circadian locomotor output cycles kaput (Clock) gene plays a significant role in this process. The role of microglia (the brain-resident immune cells) in mediating this process remains uncertain. In this study, our findings showed...