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@ARTICLE{Dash:281506,
author = {Dash, Banaja and Hermann, Andreas},
title = {{T}ranscriptomic {A}lteration in {FUS}-{ALS} {P}oints
{T}owards {A}poptosis-{R}ather than {F}erroptosis-{R}elated
{C}ell {D}eath {P}athway.},
journal = {Cells},
volume = {14},
number = {18},
issn = {2073-4409},
address = {Basel},
publisher = {MDPI},
reportid = {DZNE-2025-01127},
pages = {1417},
year = {2025},
abstract = {Amyotrophic lateral sclerosis (ALS) is a fatal type of
neurodegenerative disease marked by progressive and
selective degeneration of motor neurons (MNs) present in the
spinal cord, brain stem and motor cortex. However, the
intricate molecular mechanisms underlying primary cell death
pathways, including ferroptosis-related genes (FRGs)
mediating MN dysfunction in ALS, remain elusive.
Ferroptosis, a novel type of iron-dependent cell death with
the accumulation of lipid peroxidation products, stands
distinct from apoptotic-related stress and other cell death
mechanisms. Although growing advances have highlighted the
role of iron deposition, apoptosis and alteration of
antioxidant systems in ALS pathogenesis, there is little
data at the systems biology level. Therefore, we performed a
comprehensive bioinformatic analysis of bulk RNA-sequencing
(RNA-seq) data by systematically comparing the gene
expression profiles from iPSC-derived MNs of ALS patients
and healthy controls using our datasets as well as from the
GEO database to reveal the role of ferroptosis-related gene
alterations in ALS, especially in selective MN vulnerability
of FUSED IN SARCOMA (FUS) mutations. In this study, we first
identified differentially expressed genes (DEGs) between FUS
mutant and healthy controls. Subsequently, the crossover
genes between DEGs and FRGs were selected as differentially
expressed ferroptosis-related genes (DEFRGs). Functional
enrichment and protein-protein interaction (PPI) analysis of
DEFRGs identified that DNA damage, stress response and extra
cellular matrix (ECM) were the most significantly
dysregulated functions/pathways in FUS-ALS causing mutations
compared to healthy controls. While GSEA analysis showed
enrichment of genes associated with apoptosis, the degree of
ferroptosis and iron ion homeostasis/response to iron of FUS
MNs was lower. Altogether, our findings may contribute to a
better understanding of the relevant role of cell death
pathways underlying selective vulnerability of MNs to
neurodegeneration in FUS-ALS pathophysiology.},
keywords = {Ferroptosis: genetics / Humans / Amyotrophic Lateral
Sclerosis: genetics / Amyotrophic Lateral Sclerosis:
pathology / Apoptosis: genetics / RNA-Binding Protein FUS:
genetics / RNA-Binding Protein FUS: metabolism /
Transcriptome: genetics / Motor Neurons: metabolism / Motor
Neurons: pathology / Induced Pluripotent Stem Cells:
metabolism / Gene Expression Profiling / ALS (Other) /
RNA-sequencing (Other) / apoptosis (Other) / differentially
expressed genes (Other) / ferroptosis (Other) /
ferroptosis-related genes (Other) / gene expression omnibus
(Other) / iPSC (Other) / motor neuron (Other) / RNA-Binding
Protein FUS (NLM Chemicals) / FUS protein, human (NLM
Chemicals)},
cin = {AG Hermann},
ddc = {570},
cid = {I:(DE-2719)1511100},
pnm = {353 - Clinical and Health Care Research (POF4-353)},
pid = {G:(DE-HGF)POF4-353},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:41002383},
pmc = {pmc:PMC12468769},
doi = {10.3390/cells14181417},
url = {https://pub.dzne.de/record/281506},
}