Determination of DNA and RNA methylation in circulating tumor cells by mass spectrometry

W Huang, CB Qi, SW Lv, M Xie, YQ Feng… - Analytical …, 2016 - ACS Publications
DNA methylation (5-methylcytosine, 5-mC) is the best characterized epigenetic mark that
has regulatory roles in diverse biological processes. Recent investigation of RNA …

Quantification of modified nucleotides and nucleosides by isotope dilution mass spectrometry

JM Marchante‐Gayón… - Mass Spectrometry …, 2024 - Wiley Online Library
Epigenetic modifications are closely related to certain disorders of the organism, including
the development of tumors. One of the main epigenetic modifications is the methylation of …

Differential impact of adenosine nucleotides released by osteocytes on breast cancer growth and bone metastasis

JZ Zhou, MA Riquelme, X Gao, LG Ellies, LZ Sun… - Oncogene, 2015 - nature.com
Extracellular ATP has been shown to either inhibit or promote cancer growth and migration;
however, the mechanism underlying this discrepancy remained elusive. Here we …

Osteocytic connexin hemichannels suppress breast cancer growth and bone metastasis

JZ Zhou, MA Riquelme, S Gu, R Kar, X Gao, L Sun… - Oncogene, 2016 - nature.com
Although the skeleton is one of the predominant sites for breast cancer metastasis, why
breast cancer cells often become dormant after homing to bone is not well understood. Here …

Mechanistic cross-talk between DNA/RNA polymerase enzyme kinetics and nucleotide substrate availability in cells: Implications for polymerase inhibitor discovery

AC Si'Ana, B Mahboubi, RF Schinazi, B Kim - Journal of Biological …, 2020 - ASBMB
Enzyme kinetic analysis reveals a dynamic relationship between enzymes and their
substrates. Overall enzyme activity can be controlled by both protein expression and various …

Method for quantification of ribonucleotides and deoxyribonucleotides in human cells using (trimethylsilyl) diazomethane derivatization followed by liquid …

Z Li, HX Zhang, Y Li, CWK Lam, CY Wang… - Analytical …, 2018 - ACS Publications
Investigation into intracellular ribonucleotides (RNs) and deoxyribonucleotides (dRNs) is
important for studies of the mechanism of many biological processes, such as RNA and DNA …

Exploring the antitumor mechanism of high-dose cytarabine through the metabolic perturbations of ribonucleotide and deoxyribonucleotide in human promyelocytic …

Z Li, JR Guo, QQ Chen, CY Wang, WJ Zhang, MC Yao… - Molecules, 2017 - mdpi.com
Despite the apparent clinical benefits of high-dose cytarabine (Ara-C) over lower dose Ara-C
in acute myeloid leukemia (AML) therapy, the mechanism behind high-dose Ara-C therapy …

Antiretroviral therapy–induced mitochondrial toxicity: potential mechanisms beyond polymerase‐γ inhibition

S Selvaraj, M Ghebremichael, M Li… - Clinical …, 2014 - Wiley Online Library
We hypothesized that competition between nucleotide reverse‐transcriptase inhibitor
triphosphate and endogenous deoxyribonucleotide triphosphate (dNTP) may lead to …

Ultrasound-and microbubble-assisted gemcitabine delivery to pancreatic cancer cells

T Bjånes, S Kotopoulis, ET Murvold, T Kamčeva… - Pharmaceutics, 2020 - mdpi.com
Pancreatic ductal adenocarcinoma (PDAC) is a major cause of cancer death worldwide.
Poor drug delivery to tumours is thought to limit chemotherapeutic treatment efficacy …

Strategies for quantitation of endogenous adenine nucleotides in human plasma using novel ion-pair hydrophilic interaction chromatography coupled with tandem …

G Zhang, AD Walker, Z Lin, X Han, M Blatnik… - … of Chromatography A, 2014 - Elsevier
We present here a novel and highly sensitive ion-pair hydrophilic interaction
chromatography–tandem mass spectrometry (IP–HILIC–MS/MS) method for quantitation of …