Table 1 NBIA-related genes investigated in the Hfe−/−× Tfr2mut mouse brain

From: Brain iron accumulation affects myelin-related molecular systems implicated in a rare neurogenetic disease family with neuropsychiatric features

Gene name and symbol

Proposed roles of encoded protein

Fold change by array (P-value)

NBIA type

Psychiatric abnormality or cognitive impairment

Iron abnormality

Myelin abnormality

Phospholipase A2, group VI (Pla2g6)

Fatty acid release from phospholipids

↓1.60 (0.010)

PLAN

Yes

MRI

MRI

Fatty acid 2-hydroxylase (Fa2h)

2-Hydroxy sphingolipid synthesis

↓1.41 (0.002)

FAHN

Yes

MRI

MRI, animal study

Ceruloplasmin (Cp)

Oxidation of Fe(II) to Fe(III)

↓1.35 (0.013)

Aceruloplasminemia

Yes

MRI, post-mortem, animal study

No

Chromosome 19 open reading frame 12 (C19orf12)

Fatty acid biogenesis

↓1.28 (0.023)

MPAN

Yes

MRI, post-mortem

MRI

ATPase type 13A2 (Atp13a2)

Ceramide synthesis in lysosome, phospholipid distribution in myelin

↓1.17 (0.047)

Kufor–Rakeb disease

Yes

MRI

Biopsy

Ferritin, light polypeptide (Ftl)

Iron storage

↑2.3 (0.0005)a

Ferritinopathy

Yes

MRI, animal model

Post-mortem

Pantothenate kinase 2 (Pank2)

Biosynthesis of CoA

NS

PKAN

Yes

MRI, post-mortem

No

CoA synthase (Coasy)

Biosynthesis of CoA from pantothenic acid

NS

CoPAN

Yes

MRI

NA

WD repeat domain 45 (Wdr45)

Autophagy

NS

BPAN

Yes

MRI

MRI

DDB1 and CUL4 associated factor 17 (Dcaf17)

Ubiquitin ligase

NS

Woodhouse–Sakati syndrome

Yes

MRI

MRI

  1. Abbreviations: BPAN, β-propeller protein-associated neurodegeneration; FAHN, fatty acid hydroxylase-associated neurodegeneration; MPAN, mitochondrial membrane protein-associated neurodegeneration; MRI, magnetic resonance imaging; NA, no reported data available; NBIA, neurodegeneration with brain iron accumulation; NS, nonsignificant (P>0.05); PKAN, pantothenate kinase-associated neurodegeneration; PLAN, PLA2G6-associated neurodegeneration.
  2. Data are presented as fold change and associated P-value is in brackets.
  3. aBy western immunoblotting.