User profiles for Stephen Whelan

Stephen A Whelan, Ph.D.

- Verified email at cshs.org - Cited by 2567

Stephen Whelan

- Verified email at sydney.edu.au - Cited by 927

The metabolite α-ketoglutarate extends lifespan by inhibiting ATP synthase and TOR

…, B Lomenick, VS Meli, GC Monsalve, E Hu, SA Whelan… - Nature, 2014 - nature.com
Metabolism and ageing are intimately linked. Compared with ad libitum feeding, dietary
restriction consistently extends lifespan and delays age-related diseases in evolutionarily …

[HTML][HTML] Regulation of the O-linked β-N-acetylglucosamine transferase by insulin signaling

SA Whelan, MD Lane, GW Hart - Journal of biological chemistry, 2008 - ASBMB
O-Linked β-N-acetylglucosamine (O-GlcNAc) transferase (OGT) catalyzes the addition of O-linked
β-N-acetylglucosamine (O-GlcNAc) onto serine and threonine residues in response to …

O-GlcNAc: a regulatory post-translational modification

L Wells, SA Whelan, GW Hart - Biochemical and biophysical research …, 2003 - Elsevier
β-N-Acetylglucosamine (O-GlcNAc) is a regulatory post-translational modification of nuclear
and cytosolic proteins. The enzymes for its addition and removal have recently been cloned …

[HTML][HTML] Regulation of insulin receptor substrate 1 (IRS-1)/AKT kinase-mediated insulin signaling by O-linked β-N-acetylglucosamine in 3T3-L1 adipocytes

SA Whelan, WB Dias, L Thiruneelakantapillai… - Journal of biological …, 2010 - ASBMB
Increased O-linked β-N-acetylglucosamine (O-GlcNAc) is associated with insulin resistance
in muscle and adipocytes. Upon insulin treatment of insulin-responsive adipocytes, O-…

[HTML][HTML] Biosynthetic machinery involved in aberrant glycosylation: promising targets for developing of drugs against cancer

…, MC Lucena, NR Mantuano, SA Whelan… - Frontiers in …, 2015 - frontiersin.org
Cancer cells depend on altered metabolism and nutrient uptake to generate and keep the
malignant phenotype. The hexosamine biosynthetic pathway is a branch of glucose …

[HTML][HTML] Epithelial mesenchymal transition induces aberrant glycosylation through hexosamine biosynthetic pathway activation

…, ME McComb, CE Costello, SA Whelan… - Journal of Biological …, 2016 - ASBMB
Deregulated cellular metabolism is a hallmark of tumors. Cancer cells increase glucose and
glutamine flux to provide energy needs and macromolecular synthesis demands. Several …

Proteomic approaches to analyze the dynamic relationships between nucleocytoplasmic protein glycosylation and phosphorylation

SA Whelan, GW Hart - Circulation research, 2003 - Am Heart Assoc
O-linked β-N-acetylglucosamine (O-GlcNAc) is both an abundant and dynamic posttranslational
modification similar to phosphorylation that occurs on serine and threonine residues of …

[HTML][HTML] Tryptophan metabolites suppress the Wnt pathway and promote adverse limb events in chronic kidney disease

…, JD Ravid, MH Kamel, SA Whelan… - The Journal of …, 2022 - Am Soc Clin Investig
Chronic kidney disease (CKD) imposes a strong and independent risk for peripheral artery
disease (PAD). While solutes retained in CKD patients (uremic solutes) inflict vascular …

Comparative proteomics reveals dysregulated mitochondrial O-GlcNAcylation in diabetic hearts

J Ma, P Banerjee, SA Whelan, T Liu… - Journal of proteome …, 2016 - ACS Publications
O-linked β-N-acetylglucosamine (O-GlcNAc), a post-translational modification on serine and
threonine residues of many proteins, plays crucial regulatory roles in diverse biological …

Mass spectrometry (LC-MS/MS) site-mapping of N-glycosylated membrane proteins for breast cancer biomarkers

SA Whelan, M Lu, J He, W Yan, RE Saxton… - Journal of proteome …, 2009 - ACS Publications
Cancer cell membrane proteins are released into the plasma/serum by exterior protein
cleavage, membrane sloughing, cellular secretion or cell lysis, and represent promising …