Machine learning methods for fluorescence lifetime imaging (FLIM) based label-free detection of microglia

MAK Sagar, KP Cheng, JN Ouellette… - Frontiers in …, 2020 - frontiersin.org
Automated computational analysis techniques utilizing machine learning have been
demonstrated to be able to extract more data from different imaging modalities compared to …

A shift in central metabolism accompanies virulence activation in Pseudomonas aeruginosa

K Perinbam, JV Chacko, A Kannan, MA Digman… - MBio, 2020 - Am Soc Microbiol
The availability of energy has significant impact on cell physiology. However, the role of
cellular metabolism in bacterial pathogenesis is not understood. We investigated the …

Applying phasor approach analysis of multiphoton FLIM measurements to probe the metabolic activity of three-dimensional in vitro cell culture models

PH Lakner, MG Monaghan, Y Möller, MA Olayioye… - Scientific Reports, 2017 - nature.com
Fluorescence lifetime imaging microscopy (FLIM) can measure and discriminate
endogenous fluorophores present in biological samples. This study seeks to identify FLIM as …

Metabolic imaging using two-photon excited NADH intensity and fluorescence lifetime imaging

J Vergen, C Hecht, LV Zholudeva… - Microscopy and …, 2012 - academic.oup.com
Metabolism and mitochondrial dysfunction are known to be involved in many different
disease states. We have employed two-photon fluorescence imaging of intrinsic …

Autofluorescence imaging of 3D tumor–macrophage microscale cultures resolves spatial and temporal dynamics of macrophage metabolism

TM Heaster, M Humayun, J Yu, DJ Beebe, MC Skala - Cancer research, 2020 - AACR
Macrophages within the tumor microenvironment (TME) exhibit a spectrum of protumor and
antitumor functions, yet it is unclear how the TME regulates this macrophage heterogeneity …

NAD (P) H autofluorescence lifetime imaging enables single cell analyses of cellular metabolism of osteoblasts in vitro and in vivo via two-photon microscopy

K Schilling, E Brown, X Zhang - Bone, 2022 - Elsevier
Two-photon fluorescence lifetime microscopy (2P-FLIM) is a non-invasive optical technique
that can obtain cellular metabolism information based on the intrinsic autofluorescence …

Multicomponent analysis of phasor plot in a single pixel to calculate changes of metabolic trajectory in biological systems

S Ranjit, R Datta, A Dvornikov… - The journal of physical …, 2019 - ACS Publications
Phasor FLIM in cells undergoing oxidative stress and in mice liver sections have shown the
presence of a third autofluorescent component indicative of lipid droplets along with free and …

Metabolic state of human blastocysts measured by fluorescence lifetime imaging microscopy

M Venturas, JS Shah, X Yang, TH Sanchez… - Human …, 2022 - academic.oup.com
STUDY QUESTION Can non-invasive metabolic imaging via fluorescence lifetime imaging
microscopy (FLIM) detect variations in metabolic profiles between discarded human …

Drosophila TRIM32 cooperates with glycolytic enzymes to promote cell growth

S Bawa, DS Brooks, KE Neville, M Tipping, MA Sagar… - elife, 2020 - elifesciences.org
Cell growth and/or proliferation may require the reprogramming of metabolic pathways,
whereby a switch from oxidative to glycolytic metabolism diverts glycolytic intermediates …

Metabolic imaging of head and neck cancer organoids

AT Shah, TM Heaster, MC Skala - PloS one, 2017 - journals.plos.org
Head and neck cancer patients suffer from toxicities, morbidities, and mortalities, and these
ailments could be minimized through improved therapies. Drug discovery is a long …