Related Experiment Video
Updated: Aug 22, 2026

Microdialysis of Excitatory Amino Acids During EEG Recordings in Freely Moving Rats
Published on: November 8, 2018
Pyridoxine-dependent seizures and microcephaly
Hüseyin Tan1, Fatih Kardaş, Mustafa Büyükavci
1Department of Child Neurology, Yakutiye Research Hospital, Atatürk University, Faculty of Medicine, Erzurum, Turkey.
Insights
Pyridoxine dependency causes severe infant seizures. This case report links this genetic disorder to microcephaly, exploring its developmental cause.
Area of Science:
- Neurology
- Genetics
- Developmental Biology
Background:
- Pyridoxine dependency is a rare autosomal-recessive disorder.
- It is characterized by intractable seizures in neonates and infants, often unresponsive to standard treatments.
Observation:
- This case report details an infant presenting with pyridoxine-dependent seizures.
- The infant also exhibited microcephaly, a condition of an abnormally small head.
Findings:
- The study describes a case of pyridoxine dependency associated with microcephaly.
- It proposes a potential pathogenetic mechanism linking this genetic disorder to the observed microcephaly.
Implications:
- Understanding the link between pyridoxine dependency and microcephaly can aid in early diagnosis and management.
- Further research into the pathogenetic mechanisms may reveal novel therapeutic targets for both conditions.
Abstract:
Pyridoxine dependency is a rare autosomal-recessive disorder causing intractable seizures in neonates and infants. This case report describes an infant with pyridoxine-dependent seizures with microcephaly and discusses a probable pathogenetic mechanism of microcephaly in this condition.
Related Concept Videos
Vitamins
Epilepsy and Seizures: Overview
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures: Classification
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Seizures l: Introduction
Antiepileptic Drugs: GABAergic Pathway Potentiators
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Seizures ll: Types

