The inositol pyrophosphate pathway in health and diseases

A Chakraborty - Biological Reviews, 2018 - Wiley Online Library
Inositol pyrophosphates (IPPs) are present in organisms ranging from plants, slime moulds
and fungi to mammals. Distinct classes of kinases generate different forms of energetic …

Identity and functions of inorganic and inositol polyphosphates in plants

L Lorenzo‐Orts, D Couto, M Hothorn - New Phytologist, 2020 - Wiley Online Library
Inorganic polyphosphates (polyPs) and inositol pyrophosphates (PP‐InsPs) form important
stores of inorganic phosphate and can act as energy metabolites and signaling molecules …

Analysis of inositol phosphate metabolism by capillary electrophoresis electrospray ionization mass spectrometry

D Qiu, MS Wilson, VB Eisenbeis, RK Harmel… - Nature …, 2020 - nature.com
The analysis of myo-inositol phosphates (InsPs) and myo-inositol pyrophosphates (PP-
InsPs) is a daunting challenge due to the large number of possible isomers, the absence of …

Two bifunctional inositol pyrophosphate kinases/phosphatases control plant phosphate homeostasis

J Zhu, K Lau, R Puschmann, RK Harmel, Y Zhang… - Elife, 2019 - elifesciences.org
Many eukaryotic proteins regulating phosphate (Pi) homeostasis contain SPX domains that
are receptors for inositol pyrophosphates (PP-InsP), suggesting that PP-InsPs may regulate …

Flux regulation through glycolysis and respiration is balanced by inositol pyrophosphates in yeast

N Qin, L Li, X Ji, R Pereira, Y Chen, S Yin, C Li, X Wan… - Cell, 2023 - cell.com
Although many prokaryotes have glycolysis alternatives, it's considered as the only energy-
generating glucose catabolic pathway in eukaryotes. Here, we managed to create a hybrid …

The inositol hexakisphosphate kinases IP6K1 and-2 regulate human cellular phosphate homeostasis, including XPR1-mediated phosphate export

MS Wilson, HJ Jessen, A Saiardi - Journal of Biological Chemistry, 2019 - ASBMB
Phosphate's central role in most biochemical reactions in a living organism requires
carefully maintained homeostasis. Although phosphate homeostasis in mammals has long …

Capillary electrophoresis mass spectrometry identifies new isomers of inositol pyrophosphates in mammalian tissues

D Qiu, C Gu, G Liu, K Ritter, VB Eisenbeis, T Bittner… - Chemical …, 2023 - pubs.rsc.org
Technical challenges have to date prevented a complete profiling of the levels of myo-
inositol phosphates (InsPs) and pyrophosphates (PP-InsPs) in mammalian tissues. Here, we …

Control of XPR1-dependent cellular phosphate efflux by InsP8 is an exemplar for functionally-exclusive inositol pyrophosphate signaling

X Li, C Gu, S Hostachy, S Sahu… - Proceedings of the …, 2020 - National Acad Sciences
Homeostasis of cellular fluxes of inorganic phosphate (Pi) supervises its structural roles in
bones and teeth, its pervasive regulation of cellular metabolism, and its functionalization of …

Extensive protein pyrophosphorylation revealed in human cell lines

JAM Morgan, A Singh, L Kurz, M Nadler-Holly… - Nature Chemical …, 2024 - nature.com
Reversible protein phosphorylation is a central signaling mechanism in eukaryotes.
Although mass-spectrometry-based phosphoproteomics has become routine, identification …

Development of novel IP6K inhibitors for the treatment of obesity and obesity-induced metabolic dysfunctions

Y Zhou, S Mukherjee, D Huang… - Journal of medicinal …, 2022 - ACS Publications
Obesity and obesity-induced metabolic dysfunctions are significant risk factors for
nonalcoholic fatty liver disease and cardiovascular diseases. Thus, obesity is an economic …