The redox biology of redox-inert zinc ions
Free Radical Biology and Medicine,
Journal Year:
2019,
Volume and Issue:
134, P. 311 - 326
Published: Jan. 6, 2019
Language: Английский
Zinc transporters and their functional integration in mammalian cells
Journal of Biological Chemistry,
Journal Year:
2021,
Volume and Issue:
296, P. 100320 - 100320
Published: Jan. 1, 2021
Zinc
is
a
ubiquitous
biological
metal
in
all
living
organisms.
The
spatiotemporal
zinc
dynamics
cells
provide
crucial
cellular
signaling
opportunities,
but
also
challenges
for
intracellular
homeostasis
with
broad
disease
implications.
transporters
play
central
role
regulating
balance
and
subcellular
distributions.
discoveries
of
two
complementary
families
mammalian
(ZnTs
ZIPs)
the
mid-1990s
spurred
much
speculation
on
their
selectivity
functions.
After
decades
research,
we
have
arrived
at
biochemical
description
transport.
However,
vitro
functions
are
fundamentally
different
from
those
cells,
where
directed
to
specific
locations,
engaged
dedicated
macromolecular
machineries,
connected
diverse
processes.
Hence,
molecular
individual
reshaped
deeply
integrated
promote
utilization
chemistry
perform
enzymatic
reactions,
tune
responsiveness
pathophysiologic
signals,
safeguard
homeostasis.
At
present,
underlying
mechanisms
driving
functional
integration
largely
unknown.
This
knowledge
gap
has
motivated
shift
research
focus
studies
purified
cell
context
locations
protein
interactions.
In
this
review,
will
outline
how
been
accumulated
in-test-tube
in-cell
studies,
highlighting
new
insights
paradigm
shifts
our
understanding
basis
transporter
defining
feature
eukaryotic
proteomes,
populating
zinc-binding
proteins
that
encoded
by
∼10%
human
genome
(1Rosenzweig
A.C.
Metallochaperones:
Bind
deliver.Chem.
Biol.
2002;
9:
673-677Abstract
Full
Text
PDF
PubMed
Scopus
(165)
Google
Scholar,
2Andreini
C.
Banci
L.
Bertini
I.
Rosato
A.
Counting
zinc-proteins
genome.J.
Proteome
Res.
2006;
5:
196-201Crossref
(592)
Scholar).
While
fundamental
biology,
it
later
addition
proteomes
after
advent
geochemical
an
ancient
high-sulfide
ocean
modern
oxidizing,
sulfate-rich
one
(3Bekker
Holland
H.D.
Wang
P.L.
Rumble
3rd,
D.
Stein
H.J.
Hannah
J.L.
Coetzee
L.L.
Beukes
N.J.
Dating
rise
atmospheric
oxygen.Nature.
2004;
427:
117-120Crossref
(922)
4Arnold
G.L.
Anbar
A.D.
Barling
J.
Lyons
T.W.
Molybdenum
isotope
evidence
widespread
anoxia
mid-Proterozoic
oceans.Science.
304:
87-90Crossref
(447)
release
sulfide-bound
provided
bioavailability
prompt
burst
innovation
structures
such
as
fingers
consequences
quickening
diversification
eukaryotes
evolution
(5Dupont
C.L.
Butcher
Valas
R.E.
Bourne
P.E.
Caetano-Anolles
G.
History
inferred
through
phylogenomic
analysis
structures.Proc.
Natl.
Acad.
Sci.
U.
S.
2010;
107:
10567-10572Crossref
(197)
came
expense
increasing
risk
interference
preexisting
machineries
evolved
earlier.
Accordingly,
body
harnesses
potentially
toxic
spatially
confined
manner
avoid
cytotoxicity.
organ
level,
highly
enriched
hippocampus
neocortex
region
brain,
prostate
gland,
islets
Langerhans
pancreas
(6Kambe
T.
Matsunaga
M.
Takeda
T.A.
Understanding
contribution
function
early
secretory
pathway.Int.
Mol.
2017;
18
(2179)Crossref
(26)
These
tissues
accumulate
abundant
into
pathways
stored
demand.
total
content
submillimolar
uneven
distributions
ranging
picomolar
range
free
cytosolic
over
20
mM
specialized
vesicles
(7Eide
D.J.
trafficking
zinc.Biochim.
Biophys.
Acta.
1763:
711-722Crossref
(582)
8Vinkenborg
Nicolson
T.J.
Bellomo
E.A.
Koay
M.S.
Rutter
G.A.
Merkx
Genetically
FRET
sensors
monitor
Zn2+
homeostasis.Nat.
Methods.
2009;
6:
737-740Crossref
(311)
9Bozym
R.A.
Thompson
R.B.
Stoddard
A.K.
Fierke
C.A.
Measuring
exchangeable
PC-12
using
ratiometric
fluorescence
biosensor.ACS
Chem.
1:
103-111Crossref
(201)
10Dunn
M.F.
Zinc-ligand
interactions
modulate
assembly
stability
insulin
hexamer
--
review.Biometals.
2005;
18:
295-303Crossref
(196)
11Dodson
Steiner
insulin's
biosynthesis.Curr.
Opin.
Struct.
1998;
8:
189-194Crossref
(401)
For
example,
pancreatic
β-cells
packaging,
epithelial
citrate
production,
mammary
lactation
(12Kelleher
S.L.
McCormick
N.H.
Velasquez
V.
Lopez
tissues:
Roles
pancreas,
prostate,
gland.Adv.
Nutr.
2011;
2:
101-111Crossref
(187)
selectively
capture
transport
ions
across
membrane
barriers
control
gradients
various
membranes.
Mammalian
belong
(13Kambe
Yamaguchi-Iwai
Y.
Sasaki
R.
Nagao
Overview
transporters.Cell
Life
61:
49-68Crossref
(320)
Scholar):
Transporter
(ZnT)
(14Palmiter
R.D.
Huang
Efflux
compartmentalization
members
SLC30
family
solute
carriers.Pflugers
Arch.
447:
744-751Crossref
(316)
Scholar)
Zrt,
Irt-like
Protein
(ZIP)
(15Jeong
Eide
SLC39
transporters.Mol.
Aspects
Med.
2013;
34:
612-619Crossref
(236)
Ten
ZnT
14
ZIP
homologs
SLC30A1-10
SLC39A1-14
genes
humans,
respectively
Common
ability
selective
binding,
bound
ZnTs
ZIPs
transported
opposite
directions.
efflux
responsible
removing
excess
cytoplasm,
whereas
uptake
replenish
(Fig.
1,
A–C).
stabilize
concentration
around
homeostatic
setpoint
while
enriching
lumen
compartments
support
zinc-dependent
multisite
localizations
increase
number
protein–protein
drive
cross
talks
between
array
performing
processes
beyond
organized
hierarchy
scales—from
complexes
up
constitute
physiology
cells.
review
begin
isolated
illuminate
coordination
geometric
arrangements
binding
residues
confer
bindings
structural
move
or
down
membrane.
In-cell
further
showcase
distinct
response
environmental
stimuli.
next
level
integrations
takes
place
which
coordinate
networks
involved
signaling,
endoplasmic
reticulum
(ER)
unfolded
response,
activation
ectoenzymes
pathway.
involvement
provides
global
pathophysiology.
Finally,
summarize
existing
loss-of-function
(LOF)
mutations
polymorphisms
clinical
manifestations
major
diseases.
Cells
acquire
variety
transition
elements
including
iron,
zinc,
copper,
manganese,
cobalt,
nickel,
molybdenum,
tungsten,
chromium,
vanadium.
metals
may
exist
tightly
forms
metal-bound
cofactors
nucleic-acid-bound
species,
loosely
association
heterogeneous
buffer.
Biomolecules
milieu
extraordinary
chelation
capacity,
probably
containing
high-affinity
sites
relative
(16Finney
L.A.
O'Halloran
T.V.
Transition
speciation
cell:
Insights
ion
receptors.Science.
2003;
300:
931-936Crossref
(861)
According
Irving–Williams
series
divalent
(17Irving
H.
Williams
R.J.P.
complexes.J.
Soc.
1953;
637:
3192-3210Crossref
(0)
Scholar),
copper
would
form
most
stable
complexes,
preferentially
accumulating
biomolecules
if
presented
equal
amounts
test
tube.
organisms,
acquired
override
intrinsic
thermodynamic
propensity
selection
enable
metal-specific
As
such,
essential
aspect
composition
metallome
safeguarding
fidelity
delivery
right
amount.
directions
mechanisms,
common
these
overall
zinc.
raises
question
exploit
select
against
other
similar
ions.
unusual
electron
configuration
[Ar]3d10.
completely
filled
d-orbital
renders
redox-inert,
its
ionic
fixed
valence
state
+2.
considered
borderline
soft-hard
metal,
being
coordinated
both
sulfur
atom
cysteine
nitrogen
histidine
(soft
base
ligands)
carboxylate
oxygen
atoms
aspartate
glutamate
(hard
(18Vahrenkamp
Why
does
nature
use
zinc--a
personal
view.Dalton
Trans.
2007;
:
4751-4759Crossref
(106)
Often,
water
molecules
participate
ligation
particular
conformations.
some
cases,
molecule
positively
charged
center
reduces
pKa
15.7
∼7,
generating
hydroxide
catalytically
active
species
(19Baird
Jr.,
T.T.
Waheed
Okuyama
Sly
W.S.
Catalysis
inhibition
carbonic
anhydrase
IV.Biochemistry.
1997;
36:
2669-2678Crossref
A
d
subshell
marked
preference
tetrahedral
geometry
(20Laitaoja
Valjakka
Janis
spheres
structures.Inorg.
52:
10983-10991Crossref
(117)
dictated
18-electron
rule
(21Langmuir
Types
valence.Science.
1921;
54:
59-67Crossref
(145)
addition,
penta-
hexa-coordinated
Zn(II)
frequently
found
metalloenzymes
inhibitors
solvent
each
site
broadly
categorized
(N)
bond
angles
(N
=
4),
trigonal
bipyramidal
5),
octahedral
geometries
6).
Despite
variability
environments,
affinity
toward
usually
high
μM
pM
metalloproteins
(22Maret
W.
New
perspectives
environments
proteins.J.
Inorg.
Biochem.
2012;
111:
110-116Crossref
(122)
23Maret
Li
Coordination
proteins.Chem.
Rev.
109:
4682-4707Crossref
(419)
vectorial
movements
barrier.
two-step
process,
chemical
properties
dictate
metal-binding
immediate
surroundings
afford
selectivity.
bacteria,
archaea,
24Paulsen
Saier
M.J.
novel
heavy
Membr.
156:
99-103Crossref
25Eide
transporters.Pflugers
796-800Crossref
(284)
bacterial
transporters,
YiiP
ZIPB,
representative
crystal
determined
and/or
isomorphous
Cd(II)
2,
B).
selectivities
ZIPB
explicitly
determined,
providing
experimental
correlating
geometry.
integral
cytoplasmic
Escherichia
coli
(26Grass
Fan
B.
Rosen
B.P.
Franke
Nies
D.H.
Rensing
ZitB
(YbgR),
member
cation
diffusion
facilitator
family,
additional
coli.J.
Bacteriol.
2001;
183:
4664-4667Crossref
(119)
It
belongs
(CDF)
(27Montanini
Blaudez
Jeandroz
Sanders
Chalot
Phylogenetic
Cation
Diffusion
Facilitator
family:
Improved
signature
prediction
substrate
specificity.BMC
Genomics.
107Crossref
(226)
was
initially
thought
be
ferrous
iron
based
effects
deletion
trans-expression
growth
survival
(28Grass
Otto
Fricke
Haney
C.J.
Munkelt
FieF
(YiiP)
mediates
decreased
accumulation
relieves
stress.Arch.
Microbiol.
9-18Crossref
(151)
presence
redundant
systems
compensatory
controls
could
lead
misinformation
more
rigorous
determination
developed
direct
measurements
proteoliposomes
mediated
reconstituted
proteins.
spectrum
substrates
profiled
inductively
coupled
plasma–mass
spectrometry
(ICP-MS),
showing
Cd(II),
rejected
fourth
period
(29Hoch
E.
Lin
Chai
Hershfinkel
Fu
Sekler
Histidine
pairing
Cd2+
selectivity.Proc.
7202-7207Crossref
(85)
profile
tube
identical
single-cysteine
mutant
native
plasma
(30Wei
Selective
membrane-embedded
(FieF).J.
280:
33716-33724Abstract
(70)
genomic
target
selected
large
collection
microbial
homologs.
bronchiseptica,
thereby
termed
(31Lin
Love
electrodiffusion
Zrt-,
protein,
ZIPB.J.
285:
39013-39020Abstract
(66)
ICP-MS
transports
rejects
Fe(II),
Cu(II),
Co(II),
Mn(II),
Ni(II)
Thus,
shares
YiiP.
cadmium
group-12
d-block
fifth
period,
respectively.
They
outer
configurations
vary
radii.
appears
features
exploited
Zn(II)/Cd(II)
On
hand,
accommodation
sizes
0.74
Å
0.97
demonstrates
considerable
fluidity
size
selection,
making
critical
distinction
size-based
mechanism
used
channels
discriminate
s-block
metals,
potassium
sodium
(32Doyle
D.A.
Morais
Cabral
Pfuetzner
Kuo
Gulbis
J.M.
Cohen
Chait
B.T.
MacKinnon
structure
channel:
Molecular
K+
conduction
selectivity.Science.
69-77Crossref
(5443)
revealed
Y-shaped
dimeric
architecture
arranged
twofold
axis-oriented
perpendicular
plane
(33Lu
Structure
YiiP.Science.
317:
1746-1748Crossref
(268)
34Lu
Structural
autoregulation
YiiP.Nat.
16:
1063-1067Crossref
(162)
2A).
cryo-EM
oneidensis
inward-facing
conformation
lipid
environment
(35Coudray
N.
Valvo
Hu
Lasala
Kim
Vink
Zhou
Provasi
Filizola
Tao
Fang
Penczek
P.A.
Ubarretxena-Belandia
Stokes
D.L.
Inward-facing
cryoelectron
microscopy.Proc.
110:
2140-2145Crossref
(64)
36Lopez-Redondo
M.L.
Coudray
Zhang
Z.
Alexopoulos
alternating
access
YiiP.Proc.
2018;
115:
3042-3047Crossref
(25)
2C).
Each
protomer
comprises
N-terminal
transmembrane
domain
(TMD)
followed
C-terminal
(CTD)
protrudes
cytoplasm.
Three
were
protomer.
intramembranous
site,
known
localized
hydrophobic
core
TMD
Side
chains
four
conserved
(D49,
D53,
H153,
D157)
projected
antiparallel
helices
(TM2
TM5)
classic
Zn(II)/Cd(II)-binding
Metal-binding
isothermal
titration
calorimetry
sub-μM
37Chao
Thermodynamic
YiiP.J.
279:
17173-17180Abstract
(76)
reaction
1.23
proton
upon
suggesting
1:1
Cd(II)-for-proton
exchange
(37Chao
H153
sole
proton-titratable
residue
under
physiological
pH
range.
act
donor
acceptor
depending
coordination.
showed
monomeric
unit
consisting
eight
(TMs)
forming
single
helix
bundle
first
TMs
(TM1
TM4)
approximately
related
last
(TM5–TM8)
(38Zhang
Liu
Fellner
Sui
Crystal
reveal
binuclear
pathway.Sci.
Adv.
3e1700344Crossref
(51)
2B).
intertwine
embrace
within
inner
four-helix
stabilized
peripheral
fill
inter-TM
gaps.
situated
core,
likely
cocrystallized
solved
without
back
soaking
partially
replace
yielding
conformations
occupied
either
trapped
M1
M2,
bridged
(E181
E181
+
E211)
bidentate
penta-coordinated
M2
hexa-coordinated.
Their
primarily
ligands
located
hexapeptides:
"177HNhPEG182"
"207QD/NhPEG212"
(h
refers
residue)
TM4
TM5,
kinked
P180
P210
properly
multiple
ligating
residues.
nested
neighboring
TMs,
M99
TM2
E239
TM6,
sphere.
Of
note,
can
closely
associated
4.5-Å
low-dielectric-constant
show
richly
classical
complex
numbers
4
6.
Carboxylate
anions
predominantly
employed
1C).
offers
alternative
modes
monodentate
bonds
separate
bridging
residue.
group
rearrange
coordinating
gives
flexibility
sphere
maintaining
constant
(39Sousa
S.F.
Fernandes
Ramos
enzymes:
computational
study.J.
Am.
129:
1378-1385Crossref
(120)
accommodated
virtue
shared
geometries,
despite
difference
Although
enzymes
(40Vallee
B.L.
Auld
D.S.
coordination,
function,
proteins.Biochemistry.
1990;
29:
5647-5659Crossref
(1452)
occurs
less
sites.
Nevertheless,
plays
proton-coupled
pH-dependent
acceptor.
Cysteine
another
prevalent
many
(41Barber-Zucker
Shaanan
Zarivach
correlation
classification
family.Sci.
Rep.
7:
16381Crossref
(39)
Scholar);
however,
conspicuously
missing
ZIPB.
Structure-guided
discovery
roles
conserved,
alanine
substitutions
quartets
resulted
loss
activity
42Ohana
Hoch
Keasar
Kambe
Yifrach
O.
Identification
mode
operation
transporter.J.
284:
17677-17686Abstract
(129)
functionally
important.
Moreover,
DDHD
quartet
transporting
HDHD
only.
H-to-D
substitution
raised
barrier
giving
refined
Language: Английский
Zinc and Skin Disorders
Nutrients,
Journal Year:
2018,
Volume and Issue:
10(2), P. 199 - 199
Published: Feb. 11, 2018
The
skin
is
the
third
most
zinc
(Zn)-abundant
tissue
in
body.
consists
of
epidermis,
dermis,
and
subcutaneous
tissue,
each
fraction
composed
various
types
cells.
Firstly,
we
review
physiological
functions
Zn
transporters
these
Several
human
disorders
accompanied
with
manifestations
are
caused
by
mutations
or
dysregulation
transporters;
acrodermatitis
enteropathica
(Zrt-,
Irt-like
protein
(ZIP)4
intestinal
epithelium
possibly
epidermal
basal
keratinocytes),
spondylocheiro
dysplastic
form
Ehlers-Danlos
syndrome
(ZIP13
dermal
fibroblasts),
transient
neonatal
deficiency
(Zn
transporter
(ZnT)2
secretory
vesicles
mammary
glands),
epidermodysplasia
verruciformis
(ZnT1
keratinocytes).
Additionally,
acquired
deeply
involved
development
some
diseases
related
to
nutritional
deficiencies
(acquired
enteropathica,
necrolytic
migratory
erythema,
pellagra,
biotin
deficiency),
alopecia,
delayed
wound
healing.
Therefore,
it
important
associate
existence
manifestations.
Language: Английский
Functionalization treatment of micro-arc oxidation coatings on magnesium alloys: a review
Journal of Alloys and Compounds,
Journal Year:
2021,
Volume and Issue:
879, P. 160453 - 160453
Published: May 21, 2021
Language: Английский
Interactions of zinc- and redox-signaling pathways
Redox Biology,
Journal Year:
2021,
Volume and Issue:
41, P. 101916 - 101916
Published: Feb. 24, 2021
Zinc
and
cellular
oxidants
such
as
reactive
oxygen
species
(ROS)
each
participate
in
a
multitude
of
physiological
functions.
There
is
considerable
overlap
between
the
affected
events,
including
signal
transduction.
While
there
no
obvious
direct
connection
zinc
ROS,
mainly
because
bivalent
cation
does
not
change
its
oxidation
state
biological
systems,
these
are
linked
by
their
interaction
with
sulfur,
forming
remarkable
triad
zinc,
protein
thiols.
First,
binds
to
reduced
thiols
can
be
released
upon
oxidation.
Thereby,
redox
signals
translated
into
changes
free
concentration,
which
act
signals.
Second,
affects
several
ways,
directly
well
indirectly.
A
incorporating
many
interactions
metallothionein
(MT),
rich
cysteine
capable
binding
up
seven
ions
fully
state.
diminished
after
(partial)
oxidation,
while
show
increased
reactivity
absence
bound
metal
ions.
Adding
still
more
complexity,
MT
promoter
controlled
(via
regulatory
transcription
factor
1
(MTF-1))
nuclear
erythroid
2-related
2
(NRF2)).
Many
signaling
cascades
that
important
for
cell
proliferation
or
apoptosis
contain
thiols,
acting
centers
crosstalk
zinc-
redox-signaling.
prominent
example
shared
molecular
targets
ROS
active
site
tyrosine
phosphatases
(PTP),
activity
being
downregulated
binding.
Because
also
protects
PTP
form
irreversible
multi-faceted
reciprocal
interaction,
illustrating
redox-signaling
intricately
on
multiple
levels.
Language: Английский