ITPA (inosine triphosphate pyrophosphatase): from surveillance of nucleotide pools to human disease and pharmacogenetics

PD Simone, YI Pavlov, GEO Borgstahl - Mutation Research/Reviews in …, 2013 - Elsevier
Cellular nucleotide pools are often contaminated by base analog nucleotides which interfere
with a plethora of biological reactions, from DNA and RNA synthesis to cellular signaling. An …

Inosine triphosphate pyrophosphatase: A guardian of the cellular nucleotide pool and potential mediator of RNA function

JH Schroader, MT Handley… - Wiley Interdisciplinary …, 2023 - Wiley Online Library
Inosine triphosphate pyrophosphatase (ITPase), encoded by the ITPA gene in humans, is an
important enzyme that preserves the integrity of cellular nucleotide pools by hydrolyzing the …

The mitochondrial amidoxime reducing component (mARC) is involved in detoxification of N-hydroxylated base analogues

N Krompholz, C Krischkowski… - Chemical research in …, 2012 - ACS Publications
The “mitochondrial Amidoxime Reducing Component”(mARC) is the newly discovered
fourth molybdenum enzyme in mammals. All hitherto analyzed mammals express two mARC …

Inosine triphosphate pyrophosphatase dephosphorylates ribavirin triphosphate and reduced enzymatic activity potentiates mutagenesis in hepatitis C virus

K Nyström, PH Wanrooij, J Waldenström… - Journal of …, 2018 - Am Soc Microbiol
ABSTRACT A third of humans carry genetic variants of the ITP pyrophosphatase (ITPase)
gene (ITPA) that lead to reduced enzyme activity. Reduced ITPase activity was earlier …

[PDF][PDF] Variants of the inosine triphosphate pyrophosphatase gene are associated with reduced relapse risk following treatment for HCV genotype 2/3

K Rembeck, J Waldenström, K Hellstrand… - …, 2014 - Wiley Online Library
The present study evaluated the impact of variations in the inosine triphosphate
pyrophosphatase (ITPase) gene (ITPA) on treatment outcome in patients with hepatitis C …

A disease spectrum for ITPA variation: advances in biochemical and clinical research

NE Burgis - Journal of Biomedical Science, 2016 - Springer
Human ITPase (encoded by the ITPA gene) is a protective enzyme which acts to exclude
noncanonical (deoxy) nucleoside triphosphates ((d) NTPs) such as (deoxy) inosine 5 …

Pivotal role of inosine triphosphate pyrophosphatase in maintaining genome stability and the prevention of apoptosis in human cells

MR Menezes, ISR Waisertreiger, H Lopez-Bertoni… - PloS one, 2012 - journals.plos.org
Pure nucleotide precursor pools are a prerequisite for high-fidelity DNA replication and the
suppression of mutagenesis and carcinogenesis. ITPases are nucleoside triphosphate …

The pivotal role of the mitochondrial amidoxime reducing component 2 in protecting human cells against apoptotic effects of the base analog N6-hydroxylaminopurine

B Plitzko, A Havemeyer, T Kunze, B Clement - Journal of Biological …, 2015 - ASBMB
N-Hydroxylated nucleobases and nucleosides as N-hydroxylaminopurine (HAP) or N-
hydroxyadenosine (HAPR) may be generated endogenously in the course of cell …

Impact of IL28B, ITPA and PNPLA3 Genetic Variants on Therapeutic Outcome and Progression of Hepatitis C Virus Infection

K Rembeck, M Lagging - Pharmacogenomics, 2015 - Taylor & Francis
Chronic HCV infection comprises a broad spectrum of liver disease, ranging from no or
minimal activity to active hepatitis that in time may progress to severe liver fibrosis, cirrhosis …

Cassava brown streak virus Ham1 protein hydrolyses mutagenic nucleotides and is a necrosis determinant

KR Tomlinson, JL Pablo‐Rodriguez… - Molecular plant …, 2019 - Wiley Online Library
Cassava brown streak disease (CBSD) is a leading cause of cassava losses in East and
Central Africa, and is currently having a severe impact on food security. The disease is …