Antimicrobial Agents and Chemotherapy,
Journal Year:
2024,
Volume and Issue:
68(8)
Published: July 17, 2024
The
coronavirus
disease
2019
(COVID-19)
pandemic,
caused
by
the
severe
acute
respiratory
syndrome
2
(SARS-CoV-2),
has
triggered
a
serious
global
health
crisis,
resulting
in
millions
of
reported
deaths
since
its
initial
identification
China
November
2019.
disparities
immunization
access
emphasize
urgent
need
for
ongoing
research
into
therapeutic
interventions.
This
study
focuses
on
potential
use
molecular
dihydrogen
(H2)
inhalation
as
an
adjunctive
treatment
COVID-19.
H2
therapy
shows
promise
inhibiting
intracellular
signaling
pathways
associated
with
inflammation,
particularly
when
administered
early
conjunction
nasal
oxygen
therapy.
phase
I
study,
characterized
open-label,
prospective,
monocentric,
and
single
ascending-dose
design,
seeks
to
assess
safety
tolerability
procedure
individuals
confirmed
SARS-CoV-2
infection.
Employing
3
+
includes
three
exposure
durations
(target
durations):
1
day
(D1),
days
(D2),
6
(D3).
We
concluded
that
maximum
tolerated
duration
is
at
least
days.
Every
patient
showed
clinical
improvement
excellent
tolerance
To
best
our
knowledge,
this
trial
first
establish
inhaling
mixture
(3.6%)
N2
(96.4%)
hospitalized
COVID-19
patients.
original
device
method
employed
ensure
absence
explosion
risk.
encouraging
outcomes
observed
12
patients
included
justify
further
exploration
through
larger,
controlled
trials.
registered
ClinicalTrials.gov
NCT04633980.
Cureus,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 23, 2025
The
objective
of
this
exploratory
case
study
was
to
examine
the
impact
a
multifaceted
intervention,
which
incorporated
exercise
therapy,
nutritional
guidance,
and
hydrogen
gas
inhalation,
on
physical
function
caregiver
burden
an
older
female
patient
suspected
having
sarcopenia.
methods
employed
included
three-month
program
group
individualized
sessions,
three
times
per
week,
in
addition
guidance
inhalation
therapy.
primary
outcome
measures
grip
strength,
walking
speed,
inflammatory/oxidative
stress
markers
(c-reactive
protein
(CRP),
interleukin-6
(IL-6),
8-hydroxy-2'
-deoxyguanosine
(8-OHdG)),
burden,
assessed
by
Family
Caregiver
Burden
Scale
(FCS).
results
demonstrated
that
after
period
months,
there
improvement
strength
speed.
Concurrently,
decrease
CRP,
IL-6,
8-OHdG
levels.
FCS
score
shift
from
"severe"
range
"normal"
range,
suggesting
reduction
burden.
findings
suggest
multidisciplinary,
intervention
combining
support,
may
be
effective
enhancing
reducing
adults
with
However,
further
research
is
necessary
clarify
independent
effects
inhalation.
Free Radical Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 13
Published: March 5, 2025
Acute
myocardial
infarction
(AMI)
is
a
deadly
cardiovascular
disease
with
no
effective
solution
except
for
percutaneous
coronary
intervention
and
artery
bypass
grafting.
Inflammation
apoptosis
of
the
injured
myocardium
after
revascularization
seriously
affect
prognosis.
Hydrogen
possesses
anti-inflammatory,
anti-oxidative,
anti-apoptotic
effects
may
become
new
treatment
AMI.
This
study
explored
specific
mechanism
by
which
hydrogen
operates
during
AMI
treatment.
Thirty
Sprague-Dawley
rats
were
randomly
divided
into
three
groups:
control,
(MI),
+
(MI+H2),
each
containing
10
rats.
The
MI
rat
model
was
established
ligation
left
anterior
descending
branch.
MI+H2
group
received
2%
inhalation
3
h/Bid.
Myocardial
infarct
size
evaluated
using
triphenyl
tetrazolium
chloride
staining.
Transmission
electron
microscopy
showed
reduced
mitochondrial
damage
compared
group.
JC-1
staining,
indicates
membrane
potential,
low
red/green
fluorescence
intensity
ratio
in
to
that
control
group,
indicating
potential
loss.
After
inhalation,
this
increased,
suggesting
partial
recovery
potential.
In
addition,
ATP
content,
complex
I,
III
activity
significantly
decreased
improved
administration.
Western
blotting
analysis
Cyt-c
protein
levels
mitochondria
increased
cytoplasm
Following
ROS,
8-OHdG,
MDA
could
represent
oxidative
stress
injury
decreased.
Besides,
expression
Cyt-C,
Bax,
cleaved-caspase-9,
cleaved-caspase-3
while
Bcl-2,
TRX2,
SOD2
these
proteins
Overall,
reduces
size,
improves
dysfunction,
modulates
apoptosis-related
substances.
Importantly,
acute
downregulating
ROS
upregulating
antioxidant
proteins.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(9), P. 4116 - 4116
Published: April 26, 2025
Molecular
hydrogen
is
gaining
increasing
attention
as
an
antioxidant,
anti-inflammatory,
and
antiapoptotic
agent.
Once
considered
inert
gas,
it
reveals
current
therapeutic
potential
among
others
in
inflammatory
diseases,
cancer,
sports
medicine,
others.
The
present
review
aims
to
provide
a
consistent
summary
of
the
findings
last
twenty
years
on
use
molecular
major
respiratory
including
allergies,
asthma,
COPD,
pulmonary
fibrosis,
lung
injury
various
origins,
well
cancer
infections
tract.
In
addition,
basic
mechanisms
through
which
exercises
its
biological
activity
system
are
described.
Terapevticheskii arkhiv,
Journal Year:
2024,
Volume and Issue:
96(3), P. 260 - 265
Published: April 16, 2024
Рost-COVID-19
syndrome
(PS)
is
one
of
the
medical
and
social
problem.
According
to
WHO,
10–20%
COVID-19
patients
suffer
from
PS.
The
use
gases
–
inhaled
nitric
oxide
(iNO)
molecular
hydrogen
(iH2)
may
influence
on
mechanisms
development
PC.
Aim.
To
evaluate
safety
efficacy
combined
inhalation
NO
H2
(iNO/iH2)
in
with
respiratory
manifestations
PS.
Materials
methods.
34
PS
(11
men/23
women,
60.0±11.7
years)
were
included
prospective
open-label
controlled
study
parallel
groups:
main
group
(n=17)
received
iNO/iH2
for
90
minutes
once
a
day
10
days
(concentration
60
ppm,
H24%
gas
mixture),
control
didn’t
receive
inhalations.
period
confirmation
start
was
641.8±230.5
days.
groups
did
not
differ
baseline
parameters.
clinical
symptoms
(from
self-observation
diary
mMRC
questionnaires,
"dyspnea
language"),
FAS,
HADS,
SF-36
scores,
6-minute
walk
test,
blood
serum
parameters
oxidative
stress,
dynamics
microcirculation
eye
bulbar
conjunctiva
evaluated.
individual
dose
iNO
has
chosen
during
15-minute
test
(the
positive
have
indicated
that
selected
correctly).
Results.
decrease
severity,
such
as
dyspnea,
cough,
fatigue
palpitations
(p0.005),
increase
questionnaire
scores
(p=0.006)
reducing
FAS
score
(p=0.001),
well
anxiety
component
HADS
(p=0.02)
revealed
at
end
treatment
compared
group.
We
observed
an
improvement
distance
walked
(p=0.01)
values
SpO2
(p=0.04)
volumetric
flow
velocity
venules
(p0.001),
date
damage
(p0.001)
antioxidant
activity
(p=0.03)
serum.
Conclusion.
results
demonstrate
indicators,
stress
The
severe
acquired
respiratory
coronavirus–2
(SARS–CoV-2)
infection
has
initiated
both
acute
and
chronic
COVID–19
disease
between
2020
2023,
currently
evolving
with
other
homologous
prior
coronavirus
strains
of
the
Nidoviridae
order,
which
encompasses
prevalent
alpha/
beta
coronaviruses,
but
also
Middle
East
Respiratory
Syndrome
(MERS-CoV)
SARS-CoV-1,
recent
SARS–CoV–2
variants,
increasing
demands
for
effective
immunogens
therapeutic
approaches
that
will
reduce
global
burden
further
from
SARS–CoV-2
affected
individuals
may
experience
post
sequelae
(PASC)
or
“Long
COVID”.
Following
a
worldwide
programme
prophylactic
vaccination,
there
is
still
dilemma
in
efforts
to
find
early
would
treat
novel
SARS-CoV-2
variants
prevent
future
epidemics
pandemics
within
host
human
animal
populations,
where
zoonotic
cross
species
transfer
naturally
occurs.
Concerns
about
viral
immune
escape
intersect
at
specific
point;
gained
evolutionary
ability
several
viruses
co–infect
compete
against
previous
scientific
advances
since
1796
remain
undetected
asymptomatic
during
stages
progressing
symptomatic
via
double
methylation
5'
end
eukaryotic
DNA
RNA-based
genomes,
7-MeGpppA2’-O-Me
cap,
its
capping
process
performed
by
activated
2’
-
O
Methyltransferase
(MTase)
enzyme,
complex
two
non-structural
proteins
(NSPs)
joined
together
through
an
activation
(NSP10/16)
N7-Methyltransferase
(N7-MTase/NSP14),
respectively.
Moreover,
it
was
discovered
polymorphic
translate
NSP1,
prevents
various
Pattern
Recognition
Receptors
(PRRs),
consequently,
detection
Pathogen-Associated
Molecular
Patterns
(PAMPs)
Damage-Associated
(DAMPs)
alike.
NSP1
silences
important
interferon-encoding
genes
(INGs)
interferon-stimulated
(ISGs),
signalled
paracrine
manner
neighbouring
cells,
induces
apoptosis
inducing
effect
“trace
erase”
making
as
immunologically
“invisible”
possible
initial,
key
replication
distribution,
all
such
mechanisms
occurring
independently
cause.
Another
NSP
NSP14,
plays
functional
roles
are
independent
each
other;
produce
new
genetic
material
purpose
maintaining
validity
genome
well,
not
just
methyl
group
5’
genome.
Other
NSPs
share
role
10,
14
16
directly
suppressing
PRRs
ISGs,
help
virus
self-camouflaging
first-
second-line
immunity,
thereby
often
severely
impacting
quality
produced
adaptive
responses.
outcome
phenomena
sharp
decrease
Type
I
III
interferons'
(IFNs)
rate
synthesis
usually
occur
affect
homeostatic
cellular
pathways,
resulting
induced
apoptosis.
Nonetheless,
effects
microbial
evasion
development
carcinogenic
pathologies
widely
known.
In
short,
developed
proportionate
response
responses,
relying
on
gaps
mostly
situated
natural
system
their
molecular
self-camouflaging.
Scientists
numerous
treatment
generally
showed
good
success
rates
fewer
risks
adverse
events,
present
COVID-19
research
should
be
taken
into
consideration
whilst
filtering
most
appropriate
solutions.
For
example,
administration
recombinant
interferons
nasal
mucosa
layer,
mediators
anti–viral
activity,
can
simulate
intracellular
stimulate
activity
timely
manner,
training
innate
cells
develop
appropriately
adequate
B
T
cells.
example
could
involve
lymphocytes
low
dose
IFNs
possibly
III,
insertion
lymphatic
system,
alongside
additional
recruitment
plasmacytoid
dendritic
(pDCs)
interferon
“factories”,
management.
It
might
focusing
offering
information
genetics
protein
structure
pathogen,
rather
than
first-line
faster,
excessively
increases
specificity,
reach
level
brings
opportunity
evolve
previously-developed
mechanisms.
until
community
realises
this
potentially
crucial
aspect
large
proportions
world
population
probably
continue
face
serious
diseases
over
coming
decades,
evidenced
dengue
fever
more
recently,
monkeypox
avian
flu.
Of
note,
been
indicated
IFN
/
display
significant
immunising,
clinical
onset-attenuating
many
evoked
diseases,
well
number
oncological
diseases.
PULMONOLOGIYA,
Journal Year:
2024,
Volume and Issue:
34(1), P. 7 - 18
Published: Feb. 21, 2024
The
purpose
of
this
overview
was
to
present
historical
data
on
the
discovery
hydrogen
and
a
brief
summary
its
physical
properties
that
form
basis
for
use
in
aeronautics.
Information
is
provided
hydrogen,
biologically
neutral
molecule,
medicine
as
diagnostic
indicator
penetrating
wounds
gastrointestinal
tract,
determination
local
blood
flow
using
clearance
method,
breath
test
diagnosis
malabsorption
carbohydrate
intolerance,
achlorhydria,
bacterial
overgrowth
syndrome,
assessment
biodegradation
magnesium-containing
implants,
orocecal
transit
time,
during
deep-sea
diving.
reasons
sharp
increase
doctors’
interest
studying
biological
role
after
antioxidant
by
group
Japanese
scientists
(2007)
are
analyzed.
In
order
protection
body,
from
recent
research
ways
concentration
body
through
supply
exogenous
gas
inhalation
or
administering
hydrogen-rich
water
saline
solution
presented.
Particular
attention
paid
critical
analysis
studies
kinetics
different
routes,
tissues,
inhalation,
water.
Based
an
publications,
molecular
relieve
oxidative
stress
tissues
intestines,
liver
lungs
most
promising,
since
highest
found
these
tissues.
Fermentation
carbohydrates
has
also
been
shown
production
intestinal
microbiota.
Considering
large
number
generators
appeared
market,
requirements
their
safety
summarized.
Considerations
cardiology,
gastroenterology,
pulmonology,
other
areas
based
modern
views
mechanisms
antioxidant,
anti-apoptotic,
cytoprotective,
anti-inflammatory
effects
hydrogen.
experimental
clinical
acute
chronic
lung
lesions,
therapy
COVID-19
infection.
Conclusion.
literature
our
own
data,
conclusion
drawn
prospects
wide
range
concentrations
many
diseases
with
pathogenesis
stress.
particular,
need
additional
highlighted
clarify
regimen,
frequency,
duration
used,
personalized
approach
combination
endogenous
(from
microbiota)
various
diseases.
Journal of Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
13(15), P. 4308 - 4308
Published: July 24, 2024
Background.
Due
to
its
antioxidant,
anti-inflammatory,
anti-apoptosis,
and
anti-fatigue
properties,
molecular
hydrogen
(H2)
is
potentially
a
novel
therapeutic
nutrient
for
patients
with
coronavirus
acute
disease
2019
(COVID-19).
We
determined
the
efficacy
safety
profile
of
hydrogen-rich
water
(HRW)
reduce
risk
COVID-19
progression.
Methods:
also
conducted
phase
3,
triple-blind,
randomised,
placebo-controlled
trial
evaluate
treatment
HRW
initiated
within
5
days
after
onset
signs
or
symptoms
in
primary
care
mild-to-moderate,
laboratory-confirmed
COVID-19.
Participants
were
randomised
receive
placebo
twice
daily
21
days.
The
incidence
clinical
worsening
adverse
events
endpoints.
Results:
A
total
675
participants
followed
up
day
30.
was
not
superior
preventing
at
14:
H2
group,
46.1%
43.5%
hazard
ratio
1.09,
90%
confidence
interval
[0.90–1.31].
One
death
reported
30
group
two
Adverse
91
(27%)
89
(26.2%)
participants,
respectively.
Conclusions:
taken
from
did
worsening.
Medical Science Monitor,
Journal Year:
2023,
Volume and Issue:
29
Published: Sept. 18, 2023
There
is
a
growing
body
of
research
on
SARS-CoV-2
(PASC),
previously
known
as
the
post-COVID
syndrome,
chronic
condition
characterized
by
symptoms
that
persist
after
infection.Among
these
symptoms,
feelings
physical
exhaustion
and
prolonged
fatigue
are
particularly
prevalent
can
significantly
impact
patients'
quality
life.These
associated
with
reduced
overall
capacity,
decreased
daily
activity,
malaise
intense
training,
intolerance
to
activity
(IFA).IFA,
described
ability
perform
activities
typical
for
patient's
age,
often
lead
sedentary
lifestyle.Prolonged
inactivity
cause
deterioration
in
disrupt
mitochondrial
function,
triggering
vicious
cycle
gradual
symptom
worsening.The
underlying
causes
PASC
remain
unclear;
however,
several
biochemical
mechanisms
have
been
discussed
explain
body's
energy
depletion,
multidisciplinary
approach
combines
cognitive
rehabilitation
lifestyle
interventions
such
exercise
diet
modifications
has
suggested
improve
health
well-being
patients.This
critical
review
aims
existing
possible
links
among
fatigue,
patients
PASC.Further
into
treatment
importance
developing
individualized
needed
address
each
unique
requirements.