Background: Iron is a co-factor of tyrosine hydroxylase which is a critical enzyme in dopamine synthesis. Dopamine has been implicated in the pathophysiology of attention deficit hyperactivity disorder (ADHD). Our objective was to investigate the association of ferritin level with parent and teacher ratings and cognitive measures after controlling for age, sex, ADHD subtype, comorbid conditions, hemoglobin, mean corpuscular volume and reticulocyte distribution width in a large sample.
Methods: The study included 713 children and adolescents with ADHD (613 boys; age 7-15 years). Conners' Parent Rating Scale (CPRS) and Conners' Teacher Rating Scale (CTRS) were obtained. In a subgroup of patients we conducted Digit Span, Digit Symbol, Trail-making Tests as measures of attention and executive functioning.
Results: Multiple regression analysis indicated that CPRS Hyperactivity score was significantly associated with ferritin level (B =-0.12; t =-3.1; P < 0.01). Other CPRS and CTRS scores as well as cognitive measures were not associated with ferritin level.
Conclusions: Although it is not possible to make an inference on causality in cross-sectional studies, the results of this largest-scale cross-sectional field study to date suggest that lower ferritin level might be associated with parent-reported hyperactivity after controlling for important confounding factors.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4677666 | PMC |
| http://dx.doi.org/10.1111/j.1442-200X.2012.03664.x | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Electroacupuncture attenuates ferroptosis by promoting Nrf2 nuclear translocation and activating Nrf2/SLC7A11/GPX4 pathway in ischemic stroke.
Chin Med
January 2025
Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China.
Objective: Electroacupuncture has been shown to play a neuroprotective role following ischemic stroke, but the underlying mechanism remains poorly understood. Ferroptosis has been shown to play a key role in the injury process. In the present study, we wanted to explore whether electroacupuncture could inhibit ferroptosis by promoting nuclear factor erythroid-2-related factor 2 (Nrf2) nuclear translocation.
View Article and Find Full Text PDFAssociation of organ iron levels with type 2 diabetes mellitus and glycemic traits: A bidirectional two-sample Mendelian randomization study.
J Trace Elem Med Biol
December 2024
Department of Biochemistry, Christian Medical College, Vellore, Tamil Nadu, India; Affiliated to The Tamil Nadu Dr. MGR Medical University, Chennai, India. Electronic address:
Introduction: Observational studies have found that higher iron levels are associated with an increased risk of diabetes mellitus. Given the limitations of causal inferences from observational studies and the expensive and time-consuming nature of randomized controlled trials, Mendelian randomization analysis presents a reasonable alternative to study causal relationships. Previous MR analyses studying iron levels and diabetes have used indirect markers of iron levels, such as serum ferritin, and found conflicting results.
View Article and Find Full Text PDFEvaluation of the effect of therapeutic plasma exchange on serum cytokine levels in pediatric intensive care unit.
Ther Apher Dial
January 2025
Department of Pediatric Rheumatology, Health Science University, Umraniye Research and Training Hospital, Istanbul, Turkey.
Introduction: Therapeutic plasma exchange (TPE) is crucial for saving lives when used appropriately. This study aimed to assess TPE's impact on tumor necrosis factor-like weak inducer of apoptosis (TWEAK) protein and IL-6 levels in critically ill pediatric patients.
Methods: Conducted between May 2022 and December 2022, the study observed pediatric intensive care unit (PICU) patients undergoing TPE, recording demographics, lab results, TWEAK, and IL-6 levels pre- and post-procedure.
Pica practices, anemia, and oral health outcomes: a systemic review.
BMC Oral Health
January 2025
Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, New York, USA.
Objectives: Pica is a non-nutritive eating behavior. The potential impact of pica on oral health and the association between pica and anemia are understudied. We examined the current evidence on the relationship between pica practices, anemia, and oral health outcomes.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand.
Background: Thalassemia is a hereditary disease with impaired red blood cell production, resulting in cumulative systemic iron burden. The life-long therapeutic blood transfusion with or without iron chelators in those patients leads to the development of early-onset neurocognitive decline. However, the effects of regularity of blood transfusion on the severity of iron burden, cognitive decline, and gut dysbiosis in thalassemia patients are still unclear.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!