Related Experiment Video
Updated: Jul 5, 2025

Analysis of Somatic Hypermutation in the JH4 intron of Germinal Center B cells from Mouse Peyer's Patches
Published on: April 20, 2021
Aceruloplasminemia with Novel Mutation, with IgG4 Related Pachymeningitis - Occam's Razor or Hickam's Dictum?
Sai D Yaranagula1, Neeharika L Mathukumalli2, Sruthi Kola1,2
1Parkinson's Disease and Movement Disorders Research Centre (PDMDRC), Citi Neuro Centre, Hyderabad, Telangana, India.
Abstract:
To report a patient with concomitant aceruloplasminemia (with a novel mutation) and IgG4-related pachymeningitis and to hypothesize on the possible relation between the two diseases. Clinical, radiological, and laboratory features of a 56-year-old lady with chronic headache, bifacial palsy, and cerebellar signs are described. Pathophysiology of aceruloplasminemia leading to hyperferritinemia and consequent immune activation is elucidated. A coherent explanation of IgG4-related pachymeningitis resulting from aceruloplasminemia and hyperferritinemia is given. The patient has aceruloplasminemia with a novel nonsense mutation. She also suffers from biopsy-proven IgG4 related pachymeningitis as per standard criteria. These two seemingly unrelated illnesses are linked by hyperferritinemia. This case is a fine example of Occam's razor. Immune dysfunction and autoimmune disorders in aceruloplasminemia need to be explored through further studies to look for causal associations.
Insights
This study details a patient with aceruloplasminemia (a rare genetic disorder) and IgG4-related pachymeningitis, suggesting hyperferritinemia links these conditions. Further research is needed to explore immune dysfunction in aceruloplasminemia.
Area of Science:
- Neuroscience
- Immunology
- Genetics
Background:
- Aceruloplasminemia is a rare autosomal recessive disorder characterized by iron accumulation in the brain and other organs.
- IgG4-related disease is a systemic fibroinflammatory condition that can affect various organs, including the meninges.
Observation:
- A 56-year-old female presented with chronic headache, bifacial palsy, and cerebellar signs.
- The patient was diagnosed with aceruloplasminemia due to a novel nonsense mutation and biopsy-proven IgG4-related pachymeningitis.
Findings:
- The study elucidates the pathophysiology of aceruloplasminemia, leading to hyperferritinemia and subsequent immune activation.
- A link between aceruloplasminemia and IgG4-related pachymeningitis is proposed, mediated by hyperferritinemia.
Implications:
- This case highlights a potential connection between genetic iron metabolism disorders and autoimmune conditions.
- Further investigation into immune dysfunction in aceruloplasminemia may reveal causal associations with autoimmune diseases.
More Related Videos
08:20Hippocampal Neuronal Cultures to Detect and Study New Pathogenic Antibodies Involved in Autoimmune Encephalitis
Published on: June 2, 2022
13:31Novel Atomic Force Microscopy Based Biopanning for Isolation of Morphology Specific Reagents against TDP-43 Variants in Amyotrophic Lateral Sclerosis
Published on: February 12, 2015