Search Results - "Sakadzic, Sava"
-
1
Pericyte degeneration leads to neurovascular uncoupling and limits oxygen supply to brain
Published in Nature neuroscience (01-03-2017)“…The role of pericytes in the regulation of cerebral blood flow (CBF) and neurovascular coupling remains unclear. Using loss-of-function pericyte-deficient…”
Get full text
Journal Article -
2
Atherosclerosis is associated with a decrease in cerebral microvascular blood flow and tissue oxygenation
Published in PloS one (30-08-2019)“…Chronic atherosclerosis may cause cerebral hypoperfusion and inadequate brain oxygenation, contributing to the progression of cognitive decline. In this study,…”
Get full text
Journal Article -
3
Polarization sensitive optical coherence microscopy for brain imaging
Published in Optics letters (15-05-2016)“…Optical coherence tomography (OCT) and optical coherence microscopy (OCM) have demonstrated the ability to investigate cyto- and myelo-architecture in the…”
Get more information
Journal Article -
4
Optogenetic Functional Activation Is Detrimental During Acute Ischemic Stroke in Mice
Published in Stroke (1970) (01-10-2024)“…Functional activation of the focal ischemic brain has been reported to improve outcomes by augmenting collateral blood flow. However, functional activation…”
Get full text
Journal Article -
5
Characterizing the optical properties of human brain tissue with high numerical aperture optical coherence tomography
Published in Biomedical optics express (01-12-2017)“…Quantification of tissue optical properties with optical coherence tomography (OCT) has proven to be useful in evaluating structural characteristics and…”
Get full text
Journal Article -
6
Fluorescence lifetime microscopy of NADH distinguishes alterations in cerebral metabolism in vivo
Published in Biomedical optics express (01-05-2017)“…Evaluating cerebral energy metabolism at microscopic resolution is important for comprehensively understanding healthy brain function and its pathological…”
Get full text
Journal Article -
7
Simulation of oxygen transport and estimation of tissue perfusion in extensive microvascular networks: Application to cerebral cortex
Published in Journal of cerebral blood flow and metabolism (01-03-2021)“…Advanced imaging techniques have made available extensive three-dimensional microvascular network structures. Simulation of oxygen transport by such networks…”
Get full text
Journal Article -
8
Optical measurement of microvascular oxygenation and blood flow responses in awake mouse cortex during functional activation
Published in Journal of cerebral blood flow and metabolism (01-03-2022)“…The cerebral cortex has a number of conserved morphological and functional characteristics across brain regions and species. Among them, the laminar…”
Get full text
Journal Article -
9
Dendritic upconverting nanoparticles enable in vivo multiphoton microscopy with low-power continuous wave sources
Published in Proceedings of the National Academy of Sciences - PNAS (18-12-2012)“…We report a group of optical imaging probes, comprising upconverting lanthanide nanoparticles (UCNPs) and polyanionic dendrimers. Dendrimers with rigid cores…”
Get full text
Journal Article -
10
At Long Last, PAT Hats for the Lab Rats
Published in Journal of cerebral blood flow and metabolism (01-08-2015)Get full text
Journal Article -
11
The mass transfer coefficient for oxygen transport from blood to tissue in cerebral cortex
Published in Journal of cerebral blood flow and metabolism (01-08-2020)“…The functioning of cerebral cortex depends on adequate tissue oxygenation. MRI-based techniques allow estimation of blood oxygen levels, tissue perfusion, and…”
Get full text
Journal Article -
12
“Overshoot” of O 2 Is Required to Maintain Baseline Tissue Oxygenation at Locations Distal to Blood Vessels
Published in The Journal of neuroscience (21-09-2011)“…In vivo imaging of cerebral tissue oxygenation is important in defining healthy physiology and pathological departures associated with cerebral disease. We…”
Get full text
Journal Article -
13
Cortical Spreading Depolarizations in a Mouse Model of Subarachnoid Hemorrhage
Published in Neurocritical care (01-06-2022)“…Background Cortical spreading depolarizations (CSDs) are associated with worse outcomes in patients with aneurysmal subarachnoid hemorrhage (SAH). Animal…”
Get full text
Journal Article -
14
Modeling of Cerebral Oxygen Transport Based on In vivo Microscopic Imaging of Microvascular Network Structure, Blood Flow, and Oxygenation
Published in Frontiers in computational neuroscience (31-08-2016)“…Oxygen is delivered to brain tissue by a dense network of microvessels, which actively control cerebral blood flow (CBF) through vasodilation and contraction…”
Get full text
Journal Article -
15
Optogenetic Spreading Depolarizations Do Not Worsen Acute Ischemic Stroke Outcome
Published in Stroke (1970) (01-04-2023)“…Spreading depolarizations (SDs) are believed to contribute to injury progression and worsen outcomes in focal cerebral ischemia because exogenously induced SDs…”
Get full text
Journal Article -
16
Quantification of Capillary Perfusion in an Animal Model of Acute Intracranial Hypertension
Published in Journal of neurotrauma (15-02-2021)“…Intracranial hypertension (IH) is a common feature of many pathologies, including brain edema. In the brain, the extended network of capillaries ensures blood…”
Get more information
Journal Article -
17
Subarachnoid hemorrhage leads to early and persistent functional connectivity and behavioral changes in mice
Published in Journal of cerebral blood flow and metabolism (01-05-2021)“…Aneurysmal subarachnoid hemorrhage (SAH) leads to significant long-term cognitive deficits, which can be associated with alterations in resting state…”
Get full text
Journal Article -
18
"Overshoot" of O₂ is required to maintain baseline tissue oxygenation at locations distal to blood vessels
Published in The Journal of neuroscience (21-09-2011)“…In vivo imaging of cerebral tissue oxygenation is important in defining healthy physiology and pathological departures associated with cerebral disease. We…”
Get full text
Journal Article -
19
In vivo imaging of cerebral energy metabolism with two-photon fluorescence lifetime microscopy of NADH
Published in Biomedical optics express (01-02-2013)“…Minimally invasive, specific measurement of cellular energy metabolism is crucial for understanding cerebral pathophysiology. Here, we present high-resolution,…”
Get full text
Journal Article -
20
High-resolution ultrasound-modulated optical tomography in biological tissues
Published in Optics letters (01-12-2004)“…We present a novel implementation of high-resolution ultrasound-modulated optical tomography that, based on optical contrast, can image several millimeters…”
Get more information
Journal Article