A practical guide for nephrologist peer reviewers: understanding and appraising Mendelian randomization studies
Renal Failure,
Journal Year:
2025,
Volume and Issue:
47(1)
Published: Jan. 13, 2025
Identifying
risk
factors
for
disease
onset
and
progression
has
been
a
core
focus
in
nephrology
research.
Mendelian
Randomization
(MR)
emerged
as
powerful
genetic
epidemiological
approach,
utilizing
genome-wide
association
studies
(GWAS)
to
establish
causal
relationships
between
modifiable
kidney
outcomes.
MR
uses
variants
instrumental
variables
infer
exposures
This
method
leverages
the
natural
randomization
of
balance
confounders,
akin
matched
cohorts
observational
The
rapid
increase
on
poses
challenges
journals
peer
reviewers,
especially
clinicians
unfamiliar
with
methodology.
High-quality
use
strong,
well-validated
instruments
clear
biological
relevance,
thoroughly
testing
pleiotropy
confounding
using
methods
like
MR-Egger.
Sensitivity
analyses,
such
MR-PRESSO,
should
ensure
findings
remain
consistent
across
various
assumptions.
Effect
sizes
confidence
intervals
be
reported
discussed
within
established
mechanisms.
Additionally,
limitations
must
transparently
addressed,
recommendations
replication
future
studies,
strengthen
findings.
article
guides
readers
understanding
application
identifying
high-quality
helping
peers
avoid
pitfalls
while
seizing
new
opportunities
advancing
Language: Английский
Identification of Potential Drug Targets for Immunoglobulin A Nephropathy: A Mendelian Randomization Study
Limei Xiong,
No information about this author
Hui Zhang,
No information about this author
Yannan Guo
No information about this author
et al.
Biomedicines,
Journal Year:
2025,
Volume and Issue:
13(3), P. 581 - 581
Published: Feb. 25, 2025
Background:
The
current
pharmacological
treatments
for
Immunoglobulin
A
nephropathy
(IgAN)
demonstrate
limited
effectiveness
and
may
cause
serious
side
effects.
This
study
aimed
to
explore
novel
potential
drug
targets
IgAN.
Methods:
We
utilized
summarized
data
from
a
recent
genome-wide
association
on
IgAN,
cis-expression
quantitative
trait
loci
druggable
genes
obtained
the
eQTLGen
Consortium,
DNA
methylation
derived
GoDMC
database.
Two-sample
Mendelian
randomization
(MR)
analysis,
Bayesian
colocalization,
mediation
analysis
through
two-step
MR
approach
were
performed
investigate
their
causal
relationships.
Results:
colocalization
analyses
demonstrated
that
expression
of
HLA-DPA1
C4A
was
associated
with
an
increased
risk
In
contrast,
TUBB,
CYP21A2,
C4B
decreased
Mediation
revealed
acted
as
mediator
in
relationship
between
three
sites
(cg01140143,
cg08898074,
cg12168509)
mediated
proportions
33.74%
(95%
CI
1.64–73.27),
41.67%
20.78–66.97),
50.34%
27.89–74.76),
respectively.
Conclusions:
Several
identified
show
associations
IgAN
be
targeted
development.
Nevertheless,
additional
experimental
validation
is
warranted
clarify
specific
roles
pathogenesis
Language: Английский
The Genetics of IgA Nephropathy: Implications for Future Therapies
Seminars in Nephrology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 151567 - 151567
Published: March 1, 2025
Language: Английский
Uncovering leading compounds for alzheimer’s disease treatment: mendelian randomization and virtual screening insights into plasma protein modulation
Biological Research,
Journal Year:
2025,
Volume and Issue:
58(1)
Published: April 5, 2025
Abstract
Alzheimer's
disease
(AD)
is
a
neurodegenerative
disorder
influenced
by
both
genetic
and
environmental
factors.
Identifying
therapeutic
targets
interventions
remains
challenging.
This
study
utilized
Mendelian
Randomization
(MR)
to
investigate
causal
relationships
between
plasma
proteins,
lifestyle
factors,
AD,
along
with
virtual
screening
identify
potential
drug
compounds.
A
two-sample
MR
analysis
assessed
associations
identified
through
genome-wide
association
studies
(GWAS),
AD
risk.
Co-localization
(CA)
confirmed
the
overlap
protein
expression
susceptibility
loci,
reverse
ruled
out
causality.
protein–protein
interaction
(PPI)
network
was
constructed
explore
targets,
followed
small-molecule
inhibitors
for
selected
proteins.
The
found
significant
eight
proteins
five
(GSTP1,
BIN1,
Siglec-3,
SERPINF2,
GRN)
showing
strong
evidence
of
involvement
in
pathogenesis.
Virtual
six
compounds
as
GSTP1
four
BIN1.
Furthermore,
such
dietary
behaviors
smoking
cessation,
indicated
they
may
influence
risk
their
effects
on
specific
These
findings
offer
novel
insights
into
mechanisms
underlying
highlight
combining
targets.
also
suggests
that
modifications
could
alternative
prevention
treatment
strategies
AD.
Future
research
should
focus
experimental
validation
further
linking
factors
Language: Английский
Glucagon-like peptide-1 receptor agonists, inflammation, and kidney diseases: evidence from Mendelian randomization
Yuxuan Yao,
No information about this author
Chen Tang,
No information about this author
Feng‐Lei Si
No information about this author
et al.
Renal Failure,
Journal Year:
2025,
Volume and Issue:
47(1)
Published: April 15, 2025
It
has
been
proved
that
glucagon-like
peptide-1
receptor
(GLP1R)
agonists
have
positive
effects
on
renal
outcomes
in
diabetic
patients.
However,
it
remains
unknown
whether
GLP1R
could
provide
similar
protection
against
other
kidney
diseases.
We
performed
two-sample
Mendelian
randomization
(MR)
analyses
to
determine
the
causal
of
multiple
Exposure
agonist
was
proxied
by
available
cis-eQTLs
for
GLP1R.
Primary
included
risk
assessment
nephropathy,
IgA
membranous
nephrotic
syndrome,
chronic
disease,
acute
glomerulonephritis,
glomerulonephritis
and
calculus
kidney/ureter.
Type
2
diabetes
body
mass
index
were
used
as
control.
Two-stage
network
MR
conducted
assess
mediation
effect
inflammatory
proteins
relationships
between
After
meta-analyses
both
discovery
validation
cohorts,
genetically
found
significantly
associated
with
a
decreased
nephropathy
(OR
=
0.72,
95%CI
0.54-0.97,
p
0.031)
0.58,
0.36-0.94,
0.027).
revealed
there
an
indirect
through
signaling
lymphocytic
activation
molecule
family
member
1
(SLAMF1),
mediated
proportion
34.27%
(95%
CI,
1.47-67.03%,
0.041)
total
effect.
The
findings
current
study
presented
genetic
proof
potential
protective
development
offering
novel
sight
future
mechanistic
clinical
applications.
Language: Английский
Mendelian Randomization Unveils Drug Targets for IgA Nephropathy
Journal of the American Society of Nephrology,
Journal Year:
2024,
Volume and Issue:
35(8), P. 988 - 991
Published: July 12, 2024
1Division
of
Nephrology,
Department
Medicine,
Columbia
University,
New
York,
York
2Unit
Genomic
Variability
and
Complex
Diseases,
Medical
Sciences,
University
Turin,
Italy
Correspondence:
Dr.
Simone
Sanna-Cherchi,
email:
[email
protected]
See
related
article,
"Circulating
Proteins
IgA
Nephropathy:
A
Multiancestry
Proteome-Wide
Mendelian
Randomization
Study,"
on
pages
1045–1057.
Language: Английский
Circulating RAC1 contributed to steroid-sensitive nephrotic syndrome: Mendelian randomization, single-cell RNA-sequencing, proteomic, and experimental evidence
Renal Failure,
Journal Year:
2024,
Volume and Issue:
46(2)
Published: Oct. 18, 2024
Objectives
The
small
GTPase
Rac1
(RAC1)
has
been
linked
to
podocyte
disorders
and
steroid-sensitive
nephrotic
syndrome
(SSNS).
aim
of
this
study
was
explore
validate
the
potential
causal
association
between
circulating
RAC1
SSNS.
Language: Английский