Anxiety due to Long COVID is partially driven by activation of the tryptophan catabolite (TRYCAT) pathway
Asian Journal of Psychiatry,
Journal Year:
2023,
Volume and Issue:
88, P. 103723 - 103723
Published: Aug. 7, 2023
Language: Английский
Brain-targeted autoimmunity is strongly associated with Long COVID and its chronic fatigue syndrome as well as its affective symptoms
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 5, 2023
Abstract
Background
Autoimmune
responses
contribute
to
the
pathophysiology
of
Long
COVID,
affective
symptoms
and
myalgic
encephalomyelitis/chronic
fatigue
syndrome
(ME/CFS).
Objectives
To
examine
whether
its
accompanying
CFS
are
associated
with
immunoglobulin
(Ig)A/IgM/IgG
directed
at
neuronal
proteins
including
myelin
basic
protein
(MBP),
oligodendrocyte
glycoprotein
(MOG),
synapsin,
α+β-tubulin,
neurofilament
(NFP),
cerebellar
protein-2
(CP2),
blood-brain-barrier-brain-damage
(BBD)
claudin-5
S100B.
Methods
IgA
/
IgM/IgG
above
proteins,
human
herpes
virus-6
(HHV-6)
Severe
Acute
Respiratory
Syndrome
Coronavirus
2
(SARS-CoV-2)
were
measured
in
90
COVID
patients
healthy
controls,
while
C-reactive
(CRP),
advanced
oxidation
products
(AOPP)
association
ratings
additionally
assessed
a
subgroup
thereof.
Results
is
significant
increases
IgG
tubulin
(IgG-tubulin),
MBP,
MOG
synapsin;
IgM-MBP,
MOG,
CP2,
synapsin
BBD;
IgA-CP2
synapsin.
IgM-SARS-CoV-2
IgM-HHV-6
antibody
titers
significantly
correlated
IgA/IgG/IgM-tubulin
-CP2,
IgG/IgM-BBD,
IgM-MOG,
IgA/IgM-NFP,
IgG/IgM-synapsin.
Binary
logistic
regression
analysis
shows
that
IgM-MBP
IgG-MBP
best
predictors
COVID.
Multiple
IgG-MOG,
CRP
AOPP
explain
together
41.7%
variance
severity
CFS.
Neural
network
IgM-synapsin,
IgA-MBP,
IgA-synapsin,
IgA-CP2,
most
important
due
predictive
accuracy
r=0.801.
Conclusion
Brain-targeted
autoimmunity
contributes
pathogenesis
physio-affective
phenome.
Language: Английский
What Long COVID investigators can learn from four decades of ME/CFS research
Brain Behavior and Immunity Integrative,
Journal Year:
2023,
Volume and Issue:
4, P. 100022 - 100022
Published: Sept. 7, 2023
Four
decades
of
research
in
the
field
Myalgic
Encephalomyelitis/Chronic
Fatigue
Syndrome
(ME/CFS)
have
yielded
lessons
that
may
be
instructive
for
those
devising
criteria
to
better
comprehend
Post-Acute
Sequelae
SARS
CoV-2
Infection
(PASC)
and
Long
COVID.
For
instance,
substantial
effort
has
been
devoted
defining
classification
systems,
operationalizing
methods,
developing
instruments
with
adequate
reliability
validity
ME/CFS
field.
The
current
article
provides
guidelines
a
case
definition
COVID
discusses
significance
psychometric
issues
criterion
variance,
including
how
specify
symptoms,
develop
thresholds,
subtypes,
exclusionary
conditions.
could
enhance
our
knowledge
pathophysiology,
early
diagnosis,
prognosis,
identification
effective
treatments.
Language: Английский
Immune activation and immune-associated neurotoxicity in Long-COVID: A systematic review and meta-analysis of 82 studies comprising 58 cytokines/chemokines/growth factors
Abbas F. Almulla,
No information about this author
Yanin Thipakorn,
No information about this author
Bo Zhou
No information about this author
et al.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 8, 2024
Abstract
Background
Multiple
studies
have
shown
that
Long
COVID
(LC)
disease
is
associated
with
heightened
immune
activation,
as
evidenced
by
elevated
levels
of
inflammatory
mediators.
However,
there
no
comprehensive
meta-analysis
focusing
on
activation
the
response
system
(IRS)
and
compensatory
immunoregulatory
(CIRS)
along
other
phenotypes
in
LC
patients.
Objectives
This
designed
to
explore
IRS
CIRS
profiles
patients,
individual
cytokines,
chemokines,
growth
factors,
C-reactive
protein
(CRP)
immune-associated
neurotoxicity.
Methods
To
gather
relevant
for
our
research,
we
conducted
a
thorough
search
using
databases
such
PubMed,
Google
Scholar,
SciFinder,
covering
all
available
literature
up
December
20th,
2023.
Results
The
current
encompassed
82
examined
multiple
profiles,
protein,
58
cytokines/chemokines/growth
factors
3836
patients
versus
4537
normal
controls
(NC).
showed
significant
increases
IRS/CIRS
ratio
(standardized
mean
difference
(SMD:0.156,
confidence
interval
(CI):
0.051;0.261),
(SMD:
0.345,
CI:
0.222;0.468),
M1
macrophage
0.421,
0.290;0.551),
T
helper
(Th)1
0.353,
0.189;0.517),
Th17
0.492,
0.332;0.651)
neurotoxicity
0.327
0.205;0.448).
In
addition,
CRP
19
different
cytokines
displayed
significantly
compared
NC.
Conclusion
characterized
increased
Language: Английский
Editorial: Neuropsychiatric and neurodegenerative aspects of acute and long COVID
Frontiers in Molecular Neuroscience,
Journal Year:
2023,
Volume and Issue:
16
Published: Dec. 12, 2023
EDITORIAL
article
Front.
Mol.
Neurosci.,
12
December
2023Sec.
Brain
Disease
Mechanisms
Volume
16
-
2023
|
https://doi.org/10.3389/fnmol.2023.1343930
Language: Английский
Brain-targeted autoimmunity is strongly associated with Long COVID and its chronic fatigue syndrome as well as its affective symptoms
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 8, 2024
Abstract
Background
Autoimmune
responses
contribute
to
the
pathophysiology
of
Long
COVID,
affective
symptoms
and
myalgic
encephalomyelitis/chronic
fatigue
syndrome
(ME/CFS).
Objectives
To
examine
whether
its
accompanying
CFS
are
associated
with
immunoglobulin
(Ig)A/IgM/IgG
directed
at
neuronal
proteins
including
myelin
basic
protein
(MBP),
oligodendrocyte
glycoprotein
(MOG),
synapsin,
α
+
β-tubulin,
neurofilament
(NFP),
cerebellar
protein-2
(CP2),
blood-brain-barrier-brain-damage
(BBD)
claudin-5
S100B.
Methods
IgA
/IgM/IgG
above
proteins,
human
herpes
virus-6
(HHV-6)
Severe
Acute
Respiratory
Syndrome
Coronavirus
2
(SARS-CoV-2)
were
measured
in
90
COVID
patients
healthy
controls,
while
C-reactive
(CRP),
advanced
oxidation
products
(AOPP)
association
ratings
additionally
assessed
a
subgroup
thereof.
Results
is
significant
increases
IgG
tubulin
(IgG-tubulin),
MBP,
MOG
synapsin;
IgM-MBP,
MOG,
CP2,
synapsin
BBD;
IgA-CP2
synapsin.
IgM-SARS-CoV-2
IgM-HHV-6
antibody
titers
significantly
correlated
IgA/IgG/IgM-tubulin
-CP2,
IgG/IgM-BBD,
IgM-MOG,
IgA/IgM-NFP,
IgG/IgM-synapsin.
Binary
logistic
regression
analysis
shows
that
IgM-MBP
IgG-MBP
best
predictors
COVID.
Multiple
IgG-MOG,
CRP
AOPP
explain
together
41.7%
variance
severity
CFS.
Neural
network
IgM-synapsin,
IgA-MBP,
IgA-synapsin,
IgA-CP2,
most
important
due
predictive
accuracy
r
=
0.801.
Conclusion
Brain-targeted
autoimmunity
contributes
pathogenesis
physio-affective
phenome.
Language: Английский
In Parkinson's disease, affective and chronic fatigue syndrome symptoms are associated with neuronal damage markers.
Hussein Kadhem Al‐Hakeim,
No information about this author
Hayder Naji Khudhair,
No information about this author
Sayed-Omid Ranaei-Siadat
No information about this author
et al.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 21, 2024
Abstract
Background
Parkinson’s
disease
(PD)
is
frequently
accompanied
by
mood
and
chronic
fatigue
syndrome
(CFS)
symptoms.
It
unknown
whether
immune
activation
insulin
resistance
(IR)
or
brain
injuries
impacts
the
severity
of
affective
CFS
symptoms
due
to
PD.
Aims
To
examine
immune,
IR,
and/or
injury
biomarkers
determine
Methods
Using
a
case
(70
PD
patients)
control
(60
healthy
controls)
study
design,
we
assessed
symptoms,
measured
peripheral
immune-inflammatory
response
system
(IRS)
using
interleukin-6
(IL-6),
IL-10,
zinc,
calcium
levels,
Homeostasis
Model
Assessment
2
(HOMA2IR)
index,
serum
markers
including
S100
calcium-binding
protein
B
(S100B),
neuron-specific
enolase
(NSE),
phosphorylated
tau217
(pTau217),
glial
fibrillary
acidic
(GFAP).
Results
patients
showed
increased
scores,
IRS
activation,
HOMA2IR,
NSE,
GFAP,
pTau217,
S100B
levels
as
compared
controls.
A
large
part
(52.5%)
variance
in
mood+CFS
score
was
explained
regression
on
S100B,
HOMA2IR
interleukin-10
(IL-10)
(all
positively)
(inversely).
The
indices
were
significantly
associated
with
all
4
biomarkers.
latter
(37.0%)
cumulative
effects
indices.
Discussion
RS
IR
contribute
damage
cell
projections
type
III
intermediate
filament,
which
turn
Language: Английский