Evolution and developmental functions of the dystrophin-associated protein complex: beyond the idea of a muscle-specific cell adhesion complex
Frontiers in Cell and Developmental Biology,
Journal Year:
2023,
Volume and Issue:
11
Published: June 13, 2023
The
Dystrophin-Associated
Protein
Complex
(DAPC)
is
a
well-defined
and
evolutionarily
conserved
complex
in
animals.
DAPC
interacts
with
the
F-actin
cytoskeleton
via
dystrophin,
extracellular
matrix
membrane
protein
dystroglycan.
Probably
for
historical
reasons
that
have
linked
its
discovery
to
muscular
dystrophies,
function
often
described
as
limited
muscle
integrity
maintenance
by
providing
mechanical
robustness,
which
implies
strong
cell-extracellular
adhesion
properties.
In
this
review,
phylogenetic
functional
data
from
different
vertebrate
invertebrate
models
will
be
analyzed
compared
explore
molecular
cellular
functions
of
DAPC,
specific
focus
on
dystrophin.
These
reveals
evolution
paths
cells
are
not
intrinsically
many
features
dystrophin
domains
been
identified
yet.
adhesive
properties
also
discussed
reviewing
available
evidence
common
key
complexes,
such
clustering,
force
transmission,
mechanosensitivity
mechanotransduction.
Finally,
review
highlights
developmental
roles
tissue
morphogenesis
basement
(BM)
assembly
may
indicate
adhesion-independent
functions.
Language: Английский
Wnt signaling pathway in spinal cord injury: from mechanisms to potential applications
Kai Li,
No information about this author
Zanzhi Chen,
No information about this author
Xuejing Chang
No information about this author
et al.
Frontiers in Molecular Neuroscience,
Journal Year:
2024,
Volume and Issue:
17
Published: July 24, 2024
Spinal
cord
injury
(SCI)
denotes
damage
to
both
the
structure
and
function
of
spinal
cord,
primarily
manifesting
as
sensory
motor
deficits
caused
by
disruptions
in
neural
transmission
pathways,
potentially
culminating
irreversible
paralysis.
Its
pathophysiological
processes
are
complex,
with
numerous
molecules
signaling
pathways
intricately
involved.
Notably,
pronounced
upregulation
Wnt
pathway
post-SCI
holds
promise
for
regeneration
repair.
Activation
plays
a
crucial
role
neuronal
differentiation,
axonal
regeneration,
local
neuroinflammatory
responses,
cell
apoptosis,
highlighting
its
potential
therapeutic
target
treating
SCI.
However,
excessive
activation
can
also
lead
negative
effects,
need
further
investigation
into
applicability
significance
This
paper
provides
an
overview
latest
research
advancements
SCI,
summarizing
recent
progress
treatment
strategies
associated
analyzing
their
advantages
disadvantages.
Additionally,
we
offer
insights
clinical
application
along
prospective
avenues
future
direction.
Language: Английский
Constitutive sodium permeability in a C. elegans two-pore domain potassium channel
Olga Andrini,
No information about this author
Ismail Ben Soussia,
No information about this author
Philippe Tardy
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et al.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(43)
Published: Oct. 15, 2024
Two-pore
domain
potassium
(K2P)
channels
play
a
central
role
in
modulating
cellular
excitability
and
neuronal
function.
The
unique
structure
of
the
selectivity
filter
K2P
other
determines
their
ability
to
allow
selective
passage
ions
across
cell
membranes.
nematode
C.
elegans
has
one
largest
families,
with
47
subunit-coding
genes.
This
remarkable
expansion
been
accompanied
by
evolution
atypical
sequences
that
diverge
from
canonical
TxGYG
motif.
Whether
how
this
sequence
variation
may
impact
function
not
investigated
so
far.
Here,
we
show
UNC-58
channel
is
constitutively
permeable
sodium
cysteine
residue
its
responsible
for
behavior.
Indeed,
performing
vivo
electrophysiological
recordings
Ca
2+
imaging
experiments,
demonstrate
depolarizing
effect
muscles
sensory
neurons.
Consistently,
unc-58
gain-of-function
mutants
are
hypercontracted,
unlike
relaxed
phenotype
observed
hyperactive
many
neuromuscular
channels.
Finally,
combining
molecular
dynamics
simulations
functional
studies
Xenopus
laevis
oocytes,
plays
key
unconventional
permeability
UNC-58.
As
predicting
consequences
variations
silico
remains
major
challenge,
our
study
illustrates
experiments
essential
determine
contribution
such
unusual
electrical
profile
excitable
cells.
Language: Английский
Structural and Functional Insights into Dishevelled-Mediated Wnt Signaling
Lei Wang,
No information about this author
Rui Zhu,
No information about this author
Zehua Wen
No information about this author
et al.
Cells,
Journal Year:
2024,
Volume and Issue:
13(22), P. 1870 - 1870
Published: Nov. 11, 2024
Dishevelled
(DVL)
proteins
precisely
control
Wnt
signaling
pathways
with
many
effectors.
While
substantial
research
has
advanced
our
understanding
of
DVL's
role
in
pathways,
key
questions
regarding
its
regulatory
mechanisms
and
interactions
remain
unresolved.
Herein,
we
present
the
recent
advances
perspectives
on
how
DVL
regulates
signaling.
The
experimentally
determined
conserved
domain
structures
conjunction
AlphaFold-predicted
are
used
to
understand
regulation.
We
also
summarize
various
diseases
provide
insights
into
further
directions
for
DVL-mediated
mechanisms.
These
findings
underscore
importance
as
a
pharmaceutical
target
or
biological
marker
diseases,
offering
exciting
potential
future
biomedical
applications.
Language: Английский
N7-methyladenosine-induced SLC7A7 serves as a prognostic biomarker in pan-cancer and promotes CRC progression in colorectal cancer
Fuqi Wang,
No information about this author
Shiqian Zhang,
No information about this author
Zhuang Chen
No information about this author
et al.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
Abstract
Solute
transport
family
7A
member
7
(SLC7A7)
mutations
contribute
to
lysinuric
protein
intolerance
(LPI),
which
is
the
mechanism
of
action
that
has
been
extensively
studied.
In
colorectal
cancer
(CRC),
SLC7A7
appears
play
a
role,
but
features
and
mechanisms
are
not
yet
well
understood.
Survival
was
analyzed
using
Kaplan–Meier
analysis.
Enrichment
analysis
performed
characterize,
immune
infiltration,
methylation,
genetic
instability,
crucial
pathways
SLC7A7.
Afterward,
functional
experiments
were
conducted
in
vitro
investigate
how
affects
tumor
metastasis.
Mechanistically,
quantitative
real-time
PCR
(qRT-PCR),
western
blot
(WB),
methylated
RNA
immunoprecipitation
(me-RIP)
carried
out
confirm
methylation
modification
related
functions.
High
levels
expression
predictive
worse
prognosis
for
CRC
patients.
showed
significantly
enriched
during
EMT
could
be
Wnt/β-catenin
signaling
pathway,
infiltration
pan-cancer
macrophages,
affected
specific
cancers.
indicated
promote
migration
invasion
cells
experiments.
observed
potentially
interact
with
possibly
by
influencing
adenomatous
polyposis
coli
(APC)
expression.
Furthermore,
we
identified
undergoes
N7-methylguanosine
(m7G)
modification,
may
regulate
mRNA
stability,
Quaking
(QKI)
playing
role
this
process
recognizing
m7G
modification.
Our
results
indicate
metastasis
through
SLC7A7/APC/Wnt/β-catenin
pathway.
Moreover,
might
involved
regulating
highlighting
novel
layer
regulation.
Language: Английский