Association Between C-Reactive Protein and Suicidal Ideation: A Large-Scale Cross-Sectional Study
In Cheol Hwang1, Hong Yup Ahn2, Yujin Park3
1Department of Family Medicine, Gil Medical Centre, Gachon University College of Medicine, Incheon, Korea.
Summary
This study found higher C-reactive protein (CRP) levels in individuals with suicidal ideation, but the association was not significant after adjusting for all factors. Further research is needed to clarify the link between inflammation and suicide risk.
Area of Science:
- Biomedical Science
- Psychiatry
- Public Health
Background:
- Inconsistent findings exist regarding the relationship between C-reactive protein (CRP) and suicidal behaviors.
- Understanding the biological underpinnings of suicide is crucial for improving risk assessment.
Purpose of the Study:
- To investigate the association between CRP levels and suicidal ideation in a large Korean population-based cohort.
- To explore the biological aspects of suicide and inform clinical risk assessment models.
Main Methods:
- Utilized a multivariate regression model to analyze CRP levels in relation to suicidal ideation.
- Calculated the odds ratio (OR) for suicidal ideation per increase in CRP levels.
Main Results:
- Individuals with suicidal ideation exhibited higher mean CRP levels (1.35 mg/dL) compared to those without (1.17 mg/dL).
- An age- and gender-adjusted model showed a significant OR of 1.14 (p=0.029) for suicidal ideation per 1-SD increase in log(CRP).
- The fully adjusted model, however, did not yield statistically significant results.
Conclusions:
- The relationship between CRP levels and suicidal ideation may not be statistically significant in the general Korean adult population after accounting for confounding factors.
- Further research is warranted to elucidate the complex interplay between inflammation, socioeconomic factors, and suicidal ideation.
Related Concept Videos
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
38
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
38
01:27Psychoneuroimmunology: Cardiovascular Disease
18
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
18
01:29Psychological and Sociocultural Causes of Schizophrenia
33
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
33
01:30Stress and Mental Health
60
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
60
01:27Depressive Disorders: Etiology
19
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
19
01:21G-protein Coupled Receptors
112.8K
G-protein coupled receptors are ligand binding receptors that indirectly affect changes in the cell. The actual receptor is a single polypeptide that transverses the cell membrane seven times creating intracellular and extracellular loops. The extracellular loops create a ligand specific pocket which binds to neurotransmitters or hormones. The intracellular loops holds onto the G-protein.
112.8K