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I am a results-driven, goal-oriented research scientist with 15 + years experience in the pharmaceutical industry ♦ I have used molecular and biochemical methods to study targets that were in an early exploratory phase ♦ I have a successful track record of developing and validating cell-based assays for small-molecule screening campaigns ♦ I have taken the initiative to learn new techniques and instrumentation to maximize efficiency and facilitate compound screening ♦ I have been a significant contributor within successful project teams ♦ I have worked effectively within a highly matrixed environment to advance large molecule programsMy goal is to obtain a Scientist position at a leading pharmaceutical/biotechnology/CRO company, where I can use my molecular biology and assay deveolpment expertise to advance project and company goals.Specialties: cell-based assays: cAMP (htrf and Lance); calcium mobilization (FLIPR); beta-Arrestin and membrane potential.15+ years of mammalian cell culture experienceMolecular Biology: including western; northern and southern analysis; qRT-PCR and nucleic acid isolationRadioligand Binding and membrane isolationELISAMSDSoftware experience: Microsoft office suite, GraphPad Prism and Electronic Laboratory Notebook
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Scientist IiThe Janssen Pharmaceutical Companies Of Johnson & Johnson Jul 2011 - Dec 2018United StatesIn addition to the scientific duties listed below, I was also an Operations Manager for the Kelly BPO program.• 15+ years of mammalian cell culture experience – lines include primary, cancer and immortalized.• Performed qPCR to screen clones for stable cell line generation.• Performed competitive binding assays (SPA) to screen compounds for the metabolic target.• Screened small molecules in cAMP and β-arrestin assays for a metabolic target.• Screened small molecules in a calcium mobilization assay for a metabolic target.• Optimized a FLIPR Ca assay for the CKD target and transferred method to Discovery Sciences.• Developed and executed insulin secretion assays to examine the effects of GRK2 inhibition on GLP-1 mediated insulin secretion in INS-1 832/13 cells.• Executed large molecule screens for three major Obesity programs simultaneously – 2 are transitioning to NME status.• Wrote macros replacing established data analysis templates which improved data analysis turn-a-round and data integrity.• Executed cAMP (HTMS & htrf), β-Arrestin and solubility assays in support of cardiovascular programs.• Executed high throughput screens for Cardiovascular and Neuroscience programs.• Optimized off-target profiling assays.• Performed off-target profiling of directed synthesis compounds using both cAMP (htrf) and calcium mobilization assays.• Re-optimized for higher throughput and executed a luciferase assay that utilized a transiently transfected HEK293 cell line to screen small molecules for the TNFα program. -
Biologist IiMerck & Co Sep 2009 - Dec 2010This was a contract position for People 2.0 Global.• Developed and validated an Osteogenesis assay using a Mesenchymal Stem Cell Line.• Developed and validated a High-Content Screening assay using a Rhabdomyosarcoma Cell Line. • Established, maintained and banked 35 cancer cell lines for Cell Line Biomarker Discovery Project. • Provided statistical data analysis that included: Z*score, Z-Prime, -LOGp-value, %CV, standard deviation and median.• Lentivirus-Transduced Schnurri-3 in a Mesenchymal Stem Cell line for an Osteogenesis assay.• Executed primary and confirmatory screens of an annotated small-molecule library for CMAP projects. • Used MSD technology to show upregulation of IGFBP-1 by transfection with Let-7 miRNA.
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Research Scientist IiWyeth Sep 1998 - Nov 2008• Promoted to Research Scientist II, 2003.• Investigated levels of KCNQ 1-5 in tissues and primary bladder smooth muscle cells by qRT-PCR.• Investigated levels of APJ receptor in H9c2 and HL-1 cell lines by qRT-PCR.• Extensive experience with mammalian cell culture and aseptic technique (10.5 years).• Showed activation of AKT and ERK1/2 signaling in APJ-over-expressing cardiomyocytes, suggesting a potential mechanism for cardioprotection ( SDS-PAGE and Western analysis).• Showed attenuation of IGF-induced p70S6 kinase phosphorylation and preservation of AKT phosphorylation status with the use of novel Rapamycin analogs (SDS-PAGE and Western analysis). • Screened a series of Rapalogs for their ability to induce autophagy (Western analysis).• Used ELISA for the determination of Apelin, uPA, tPA, and TGF-b1 in sera and cell culture preparations. • Developed and validated cAMP, IP-One, calcium efflux and ligand binding assays for Wyeth’s Apelin and Niacin programs, resulting in their advancement to a Discovery milestone ahead of established deadlines. • Developed and validated a membrane potential assay to identify compounds that hyperpolarize bladder smooth muscle cells (FLIPR). • Introduced technology and cell-based assays to a newly-formed heart failure group, which resulted in the accelerated advancement of Wyeth's Apelin program.• Created Excel spreadsheets to manage multi-assay data from compound-screening efforts.• Created procedures for all newly developed and validated assays for submission into corporate database.• Investigated GPCR-driven signal transduction in mammalian cell lines.• Showed inhibition of cardiac hypertrophy by Rapamycin and adenoviral-infected GDF-15 using immunocytochemistry.
James Littrell Skills
James Littrell Education Details
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Molecular Biology/Biotechnology
Frequently Asked Questions about James Littrell
What is James Littrell's role at the current company?
James Littrell's current role is R & D Professional at Janssen Pharmaceutical Companies of Johnson & Johnson.
What is James Littrell's email address?
James Littrell's email address is jl****@****sen.com
What is James Littrell's direct phone number?
James Littrell's direct phone number is +161053*****
What schools did James Littrell attend?
James Littrell attended Millersville University Of Pennsylvania.
What are some of James Littrell's interests?
James Littrell has interest in Carpentry And Bicycling, Landscaping, Home Improvement.
What skills is James Littrell known for?
James Littrell has skills like Assay Development, Elisa, Molecular Biology, Cell, Pharmaceutical Industry.
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