User profiles for Poulomi Acharya

Poulomi Acharya, Ph.D.

Postdoctoral Researcher, University of California San Francisco
Verified email at cmp.ucsf.edu
Cited by 901

[HTML][HTML] Ubiquitin-dependent proteasomal degradation of human liver cytochrome P450 2E1: identification of sites targeted for phosphorylation and ubiquitination

YQ Wang, S Guan, P Acharya, DR Koop, Y Liu… - Journal of biological …, 2011 - ASBMB
Human liver CYP2E1 is a monotopic, endoplasmic reticulum-anchored cytochrome P450
responsible for the biotransformation of clinically relevant drugs, low molecular weight …

[HTML][HTML] The ABCs of finding a good antibody: How to find a good antibody, validate it, and publish meaningful data

P Acharya, A Quinlan, V Neumeister - F1000Research, 2017 - ncbi.nlm.nih.gov
Finding an antibody that works for a specific application can be a difficult task. Hundreds of
vendors offer millions of antibodies, but the quality of these products and available validation …

Kinetic identification of membrane transporters that assist P-glycoprotein-mediated transport of digoxin and loperamide through a confluent monolayer of MDCKII …

P Acharya, MP O'Connor, JW Polli, A Ayrton… - Drug metabolism and …, 2008 - ASPET
A robust screen for compound interaction with P-glycoprotein (P-gp) has some obvious
requirements, such as a cell line expressing P-gp and a probe substrate that is transported solely …

[HTML][HTML] A role for protein phosphorylation in cytochrome P450 3A4 ubiquitin-dependent proteasomal degradation

YQ Wang, M Liao, N Hoe, P Acharya, C Deng… - Journal of biological …, 2009 - ASBMB
Cytochromes P450 (P450s) incur phosphorylation. Although the precise role of this post-translational
modification is unclear, marking P450s for degradation is plausible. Indeed, we …

[HTML][HTML] Multisite phosphorylation of human liver cytochrome P450 3A4 enhances Its gp78-and CHIP-mediated ubiquitination: a pivotal role of its Ser-478 residue in …

YQ Wang, S Guan, P Acharya, Y Liu… - Molecular & Cellular …, 2012 - ASBMB
CYP3A4, an integral endoplasmic reticulum (ER)-anchored protein, is the major human liver
cytochrome P450 enzyme responsible for the disposition of over 50% of clinically relevant …

RETRACTION: Hepatic Heme-Regulated Inhibitor (HRI) Eukaryotic Initiation Factor 2α Kinase: A Protagonist of Heme-Mediated Translational Control of CYP2B …

P Acharya, JJ Chen, MA Correia - Molecular pharmacology, 2010 - ASPET
We have reported previously that the hepatic heme-regulated inhibitor (HRI)-eukaryotic
initiation factor 2α (eIF2α) kinase is activated in acute heme-deficient states, resulting in …

[HTML][HTML] Liver cytochrome P450 3A ubiquitination in vivo by gp78/autocrine motility factor receptor and C terminus of Hsp70-interacting protein (CHIP) E3 ubiquitin …

SM Kim, P Acharya, JC Engel, MA Correia - Journal of biological chemistry, 2010 - ASBMB
CYP3A4 is a dominant human liver cytochrome P450 enzyme engaged in the metabolism
and disposition of >50% of clinically relevant drugs and held responsible for many adverse …

RETRACTION: Hepatic CYP3A Suppression by High Concentrations of Proteasomal Inhibitors: A Consequence of Endoplasmic Reticulum (ER) Stress Induction …

P Acharya, JC Engel, MA Correia - Molecular pharmacology, 2009 - ASPET
Hepatic cytochromes P450 3A (P450s 3A) are endoplasmic reticulum (ER)-proteins,
responsible for xenobiotic metabolism. They are degraded by the ubiquitin-dependent 26S …

[HTML][HTML] Liver cytochrome P450 3A endoplasmic reticulum-associated degradation: a major role for the p97 AAA ATPase in cytochrome P450 3A extraction into the …

P Acharya, M Liao, JC Engel, MA Correia - Journal of biological chemistry, 2011 - ASBMB
The CYP3A subfamily of hepatic cytochromes P450, being engaged in the metabolism and
clearance of >50% of clinically relevant drugs, can significantly influence therapeutics and …

P-Glycoprotein (P-gp) Expressed in a Confluent Monolayer of hMDR1− MDCKII Cells Has More Than One Efflux Pathway with Cooperative Binding Sites

P Acharya, TT Tran, JW Polli, A Ayrton, H Ellens… - Biochemistry, 2006 - ACS Publications
The multidrug resistance transporter P-glycoprotein (P-gp) effluxes a wide range of substrates
and can be affected by a wide range of inhibitors or modulators. Many studies have …