User profiles for Rashim Singh

Rashim Singh

- Verified email at uh.edu - Cited by 1475

Rashim Pal Singh

- Verified email at utoronto.ca - Cited by 787

Glucuronidation: driving factors and their impact on glucuronide disposition

G Yang, S Ge, R Singh, S Basu, K Shatzer… - Drug metabolism …, 2017 - Taylor & Francis
Glucuronidation is a well-recognized phase II metabolic pathway for a variety of chemicals
including drugs and endogenous substances. Although it is usually the secondary metabolic …

[HTML][HTML] Secreted protein Del-1 regulates myelopoiesis in the hematopoietic stem cell niche

I Mitroulis, LS Chen, RP Singh… - The Journal of …, 2017 - Am Soc Clin Investig
Hematopoietic stem cells (HSCs) remain mostly quiescent under steady-state conditions but
switch to a proliferative state following hematopoietic stress, eg, bone marrow (BM) injury, …

[HTML][HTML] The metabolic enzyme hexokinase 2 localizes to the nucleus in AML and normal haematopoietic stem and progenitor cells to maintain stemness

…, M Gronda, N MacLean, C O'Brien, RP Singh… - Nature cell …, 2022 - nature.com
Mitochondrial metabolites regulate leukaemic and normal stem cells by affecting epigenetic
marks. How mitochondrial enzymes localize to the nucleus to control stem cell function is …

Simultaneous determination of genistein and its four phase II metabolites in blood by a sensitive and robust UPLC–MS/MS method: Application to an oral …

…, W Zhu, S Gao, H Xu, B Wu, K Kulkarni, R Singh… - … of pharmaceutical and …, 2010 - Elsevier
The purpose of this research was to develop a sensitive and reproducible UPLC–MS/MS
method to simultaneously quantify genistein, genistein-7-O-glucuronide (G-7-G), genistein-4′-…

Structure and concentration changes affect characterization of UGT isoform-specific metabolism of isoflavones

L Tang, R Singh, Z Liu, M Hu - Molecular pharmaceutics, 2009 - ACS Publications
We characterized the isoform specific glucuronidation of six isoflavones, genistein, daidzein,
glycitein, formononetin, biochanin A and prunetin, using 12 expressed human UGTs and …

Disposition of naringenin via glucuronidation pathway is affected by compensating efflux transporters of hydrophilic glucuronides

H Xu, KH Kulkarni, R Singh, Z Yang… - Molecular …, 2009 - ACS Publications
The purposes of this study were to investigate how efflux transporters and UDP-glucuronosyltransferases
(UGT) affect the disposition of naringenin. A rat intestinal perfusion model with …

HIF-1α is a protective factor in conditional PHD2-deficient mice suffering from severe HIF-2α–induced excessive erythropoiesis

…, J Kalucka, S Mamlouk, RP Singh… - Blood, The Journal …, 2013 - ashpublications.org
Erythropoiesis must be tightly balanced to guarantee adequate oxygen delivery to all tissues
in the body. This process relies predominantly on the hormone erythropoietin (EPO) and its …

Increased EPO levels are associated with bone loss in mice lacking PHD2 in EPO‐producing cells

M Rauner, K Franke, M Murray, RP Singh… - Journal of Bone and …, 2016 - academic.oup.com
The main oxygen sensor hypoxia inducible factor (HIF) prolyl hydroxylase 2 (PHD2) is a
critical regulator of tissue homeostasis during erythropoiesis, hematopoietic stem cell …

[PDF][PDF] Disrupting mitochondrial copper distribution inhibits leukemic stem cell self-renewal

RP Singh, DV Jeyaraju, V Voisin, R Hurren, C Xu… - Cell Stem Cell, 2020 - cell.com
Leukemic stem cells (LSCs) rely on oxidative metabolism and are differentially sensitive to
targeting mitochondrial pathways, which spares normal hematopoietic cells. A subset of …

Evaluation of copper toxicity in isolated human peripheral blood mononuclear cells and it's attenuation by zinc: ex vivo

RP Singh, S Kumar, R Nada, R Prasad - Molecular and cellular …, 2006 - Springer
Copper and zinc act as a cofactor of over 300 mammalian proteins. Both have same electronic
configuration therefore they are antagonist at higher individual concentration. The present …