John Whang

ORCID: 0000-0002-2144-9646
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About
Contact & Profiles
Research Areas
  • Health Systems, Economic Evaluations, Quality of Life
  • Advanced MRI Techniques and Applications
  • Cardiac electrophysiology and arrhythmias
  • Pain Mechanisms and Treatments
  • Spine and Intervertebral Disc Pathology
  • Acute Myeloid Leukemia Research
  • Chronic Lymphocytic Leukemia Research
  • Cardiovascular Function and Risk Factors
  • NMR spectroscopy and applications
  • Pharmaceutical Economics and Policy
  • Economic and Financial Impacts of Cancer
  • Cardiac Ischemia and Reperfusion
  • Heart Failure Treatment and Management
  • Cancer-related Molecular Pathways
  • TGF-β signaling in diseases
  • Chronic Myeloid Leukemia Treatments
  • Diabetes Treatment and Management
  • Breast Cancer Treatment Studies
  • Genomics, phytochemicals, and oxidative stress
  • Atomic and Subatomic Physics Research
  • Ubiquitin and proteasome pathways
  • Neutropenia and Cancer Infections
  • Neuroscience and Neuropharmacology Research
  • Mechanical and Optical Resonators
  • Aldose Reductase and Taurine

Columbia University Irving Medical Center
2016-2018

University of Santa Monica
2016

Amgen (United States)
2016

National Institutes of Health
1964-2014

Columbia University
1993-2013

Emory University Hospital
1998

National Cancer Institute
1962-1965

Institute of Art
1964

National Institute of Arthritis and Musculoskeletal and Skin Diseases
1962

Bone marrow (about 0.5 ml) from au erythropoietic region is freed of blood clots by washing 1-3 min in 1 μg/ml colchicine solution (2-3 and then soaking 1-2 hr at 20-30° C a second change. For mammalian or avian marrows, the made up phosphate-buffered (pH 7) physiological NaCl solution; for amphibian, Ringer's A solution. Next specimens are soaked about 20 hypotonic as follows: mammalian, 1% Na-citrate; avian, 1:4 dilution buffered distilled water; A-distilled water, 1:1. Then they heated...

10.3109/10520296209114563 article EN Stain Technology 1962-01-01

Peripheral nerve lesions provoke apoptosis in the dorsal horn of spinal cord. The cause cell death, involvement neurons, and relevance for processing somatosensory information are controversial. Here, we demonstrate a mouse model sciatic injury that glutamate-induced neurodegeneration loss γ-aminobutyric acid (GABA)ergic interneurons superficial promote transition from acute to chronic neuropathic pain. Conditional deletion Grin1, essential subunit N-methyl-d-aspartate-type glutamate...

10.1016/j.celrep.2018.04.107 article EN cc-by-nc-nd Cell Reports 2018-05-01

Prostaglandin reductase 1 (PTGR1) is a highly inducible enzyme with enone activity. Previous studies demonstrated the role of rat PTGR1 in activation acylfulvene analogs, class antitumor natural product derivatives. Of these, hydroxymethylacylfulvene (HMAF) was advanced clinical development for treatment solid tumors, including prostate, ovarian, and pancreatic cancers. However, efficiency human activating acylfulvenes its potential to enhance therapeutic efficacy have remained...

10.1124/jpet.112.195768 article EN Journal of Pharmacology and Experimental Therapeutics 2012-08-15

10.1111/j.1749-6632.1964.tb40725.x article EN Annals of the New York Academy of Sciences 1964-02-01

Metabolic interventions that promote glucose use during ischemia have been shown to protect ischemic myocardium and improve functional recovery on reperfusion. We evaluated whether the cardioprotection afforded by high low-flow is associated with changes in sarcolemmal content of transporters, specifically GLUT-4. Isolated rat hearts were paced at 300 beats/min perfused under normal (5 mM) or (10 conditions buffer containing 0.4 mM albumin, palmitate, 70 mU/l insulin subjected 50 min 60 To...

10.1152/ajpheart.2001.281.1.h290 article EN AJP Heart and Circulatory Physiology 2001-07-01

Subcellular compartmentalization of energy stores to support different myocardial processes has been exemplified by the glycolytic control ATP-sensitive K + channel. Recent data suggest that intracellular sodium (Na i ) may also rely on glycolytically derived ATP; however, degree this dependence is unclear. To examine question, isolated, perfused rat hearts were exposed hypoxia, selectively inhibit oxidative metabolism, or iodoacetate (IAA, 100 μmol/l), glycolysis. Na and high-energy...

10.1152/ajpheart.1998.274.4.h1082 article EN AJP Heart and Circulatory Physiology 1998-04-01

The feasibility of employing triple-quantum-filtered (TQF) or double-quantum-filtered (DQF) 23Na NMR spectra to monitor intracellular Na (Nain) content in isolated rat hearts perfused the absence a chemical-shift reagent (SR) was investigated. This necessitated characterization following: first, pool Nain represented by TQF (TQFin) spectrum; second, maximum extent which altered transverse relaxation times affect TQFin spectral amplitudes; and finally, situations for SR-free method can...

10.1006/jmre.1997.1181 article EN cc-by-nc-nd Journal of Magnetic Resonance 1997-07-01

Reducing the risk of chronic postoperative pain through preventive analgesia is an attractive therapeutic concept. Because peripheral nerve lesions are a major cause after surgery, we tested in rats whether analgesic treatment with pregabalin (PGB) has capacity to mitigate development persistent neuropathic pain-like behavior. Starting on day spared injury or 1week later, treated continuous intrathecal infusion PGB (300 900μg/24hours) vehicle for up 28days. Rats receiving early had almost...

10.1016/j.pain.2013.10.024 article EN Pain 2013-10-28

NRP/B, a family member of the BTB/Kelch repeat proteins, is implicated in neuronal and cancer development, as well regulation oxidative stress responses breast brain cancer. Our previous studies indicate that NRP/B-BTB/POZ domain involved dimerization NRP/B complex formation with tumor suppressor, retinoblastoma protein. Although much evidence supports potential role molecular mechanisms action on E2F transcription factors have not been elucidated.Three-dimensional modeling was used to...

10.15430/jcp.2014.19.3.187 article EN Journal of Cancer Prevention 2014-09-30

Diabetes increases both the incidence of cardiovascular disease and complications myocardial infarction heart failure. Studies using diabetic animals have shown that changes in sodium transporters result alterations intracellular (Na i ) homeostasis. Because homeostasis can be due to increased entry Na + via electroneutral -K -2Cl − cotransporter (NKCC), we conducted experiments acute hearts determine if 1) net inward cation flux NKCC is increased, 2) this contributes a greater increase...

10.1152/ajpheart.2001.281.2.h515 article EN AJP Heart and Circulatory Physiology 2001-08-01

6602 Background: US health care spending continues to exceed that of other industrialized countries, in part because there is insufficient transparency as the relative value (benefit-cost) different treatment options. Comparing drug regimens based on their overall would help create a common set metrics enable better therapy decision-making and improve quality reduce costs care. Methods: We developed methodology review, synthesize assess evidence drug's performance across three major domains...

10.1200/jco.2015.33.15_suppl.6602 article EN Journal of Clinical Oncology 2015-05-20

The primary aim of this study is to model the cost per 1md/dL reduction in LDL-C with evolocumab 140mg and alirocumab 75/150mg a large national health plan. Patients clinical atherosclerotic cardiovascular disease (ASCVD) >100 mg/dl (mean = 125.2 mg/dl; SD 25.1 mg/dl) were obtained from Optum Research Database Jan 1, 2012 2014. An economic using Monte Carlo simulations was developed validated estimate 1mg/dL LDL-C. Inputs include efficacy based on published Navarese meta-analysis (evolocumab...

10.1016/j.jval.2016.03.125 article EN publisher-specific-oa Value in Health 2016-05-01

Abstract Smads are intracellular signaling transducers of TGF-β family ligands. Through activation, phosphorylated R-Smads (Smad2/3) form active heteromeric complexes with co-Smad (Smad4) and translocate to the nucleus where they interact chromatin assemble transcriptional machinery various target genes. Evidence also indicates that involved in modulation via interactions histone modifiers. The role pre-existing nuclear modulation, however, has not been described, nor have molecular...

10.1158/1538-7445.am10-4866 article EN Cancer Research 2010-04-01
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