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Background <p>Oxidative stress is associated with the pathophysiology of schizophrenia. Peripheral non-enzymatic antioxidants can reflect the degree of oxidative stress and antioxidant levels, and can be used as markers of oxidative stress. However, the relationships between these markers and the clinical phenotypes of first -episode adolescent-onset schizophrenia (AOS) is unclear. This study aimed to elucidate the impact of peripheral non - enzymatic antioxidants on male AOS patients and their association with clinical symptoms.</p> Methods <p>Serum albumin (ALB), total bilirubin (TBIL), and uric acid (UA) of 59 first-episode AOS patients and 55 healthy controls were measured respectively. Furthermore, schizophrenia-related clinical symptoms were evaluated using the five-factor model of the Positive and Negative Syndrome Scale (PANSS).</p> Results <p>In Han Chinese first-episode male AOS patients, levels of TBIL and UA were significantly increased <i>(p</i> &lt; 0.05), while ALB decreased (<i>p</i> &lt; 0.01) compared with healthy controls. Furthermore, multivariate logistic regression showed that UA, ALB, and TBIL (all <i>p</i> &lt; 0.01) were independently associated with AOS. Moreover, correlation analysis revealed that ALB was positively correlated with the PANSS total, cognitive and excited factor scores (all <i>p</i> &lt; 0.05); TBIL was positively correlated with the excited factor score (<i>p</i> &lt; 0.01); UA was positively correlated with the PANSS total, negative, cognitive and excited factor scores (all <i>p</i> &lt; 0.05). In addition, Receiver operating characteristics assessment indicated that ALB and TBIL could effectively distinguish AOS patients from healthy controls.</p> Conclusions <p>This study confirms the association of peripheral non-enzymatic antioxidants (ALB, TBIL, and UA) with clinical manifestations and pathophysiology in schizophrenia. ALB and TBIL may serve as potential biomarkers for oxidative stress and symptom severity in AOS, particularly in males, providing insights for diagnostic and therapeutic strategies.</p>

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The predictive potential and relationship of peripheral non-enzymatic antioxidants with clinical symptoms in first-episode male adolescent-onset schizophrenia patients

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月4日

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  • Baolun Du,
  • Jun Ma,
  • Huafeng Chen,
  • Kai Zhang,
  • Zishu Wang,
  • Zhao Zhao,
  • Heguo Li,
  • Xiaobo Meng,
  • Zhihua Liu

摘要

Background

Oxidative stress is associated with the pathophysiology of schizophrenia. Peripheral non-enzymatic antioxidants can reflect the degree of oxidative stress and antioxidant levels, and can be used as markers of oxidative stress. However, the relationships between these markers and the clinical phenotypes of first -episode adolescent-onset schizophrenia (AOS) is unclear. This study aimed to elucidate the impact of peripheral non - enzymatic antioxidants on male AOS patients and their association with clinical symptoms.

Methods

Serum albumin (ALB), total bilirubin (TBIL), and uric acid (UA) of 59 first-episode AOS patients and 55 healthy controls were measured respectively. Furthermore, schizophrenia-related clinical symptoms were evaluated using the five-factor model of the Positive and Negative Syndrome Scale (PANSS).

Results

In Han Chinese first-episode male AOS patients, levels of TBIL and UA were significantly increased (p < 0.05), while ALB decreased (p < 0.01) compared with healthy controls. Furthermore, multivariate logistic regression showed that UA, ALB, and TBIL (all p < 0.01) were independently associated with AOS. Moreover, correlation analysis revealed that ALB was positively correlated with the PANSS total, cognitive and excited factor scores (all p < 0.05); TBIL was positively correlated with the excited factor score (p < 0.01); UA was positively correlated with the PANSS total, negative, cognitive and excited factor scores (all p < 0.05). In addition, Receiver operating characteristics assessment indicated that ALB and TBIL could effectively distinguish AOS patients from healthy controls.

Conclusions

This study confirms the association of peripheral non-enzymatic antioxidants (ALB, TBIL, and UA) with clinical manifestations and pathophysiology in schizophrenia. ALB and TBIL may serve as potential biomarkers for oxidative stress and symptom severity in AOS, particularly in males, providing insights for diagnostic and therapeutic strategies.