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Director, Strategic Planning and Business Development
Phone: (540) 231-6585
Email:shefta@vbi.vt.edu
Fax: (540) 231-2606
Administrative Specialist: Erin Sexton Phone: (540) 231-8138 Email: ecsexton@vbi.vt.edu Fax:540-231-2606
Personal_Page
| Strategic Business Development and Planning Group
Publications:
Tao L, Kiefer SE, Xie D, Bryson JW, Hefta SA, Doyle ML. Time-resolved limited proteolysis of mitogen-activated protein kinase-activated protein kinase-2 determined by LC/MS only. J Am Soc Mass Spectrom. 2008;19(6):841–854. http://www.ncbi.nlm.nih.gov/pubmed/18400511
Omenn GS, States DJ, Adamski M, et al. Overview of the HUPO Plasma Proteome Project: results from the pilot phase with 35 collaborating laboratories and multiple analytical groups, generating a core dataset of 3020 proteins and a publicly-available database. Proteomics. 2005;5(13):3226–3245. http://www.ncbi.nlm.nih.gov/pubmed/16104056
Ho K Q. Xiao E. Fach J. Gao P. Kayne A.R. Dongre S.A. Hefta G. Opiteck. Semi-automated sample Preparation for Plasma Proteomics. J. Assoc. Laboratory Automation,. 2004;9:238–249.
Hulmer J D. Betha K. Ho S.-P. Huang D. Ricci G. Opiteck S.A. Hefta. An Investigation of Plasma Collection, Stabilization, and Storage Procedures for Proteomic Analysis of Clinical Samples. Clinical Proteomics. 2004;1:17–32.
Pang J N. Ginanni A.R. Dongr. Biomarker Discovery in Urine by Proteomics. J. Proteome Res.. 2002;12:183–188.
Dongre AR G. Opiteck W.L. Cosand and S.A. Hefta. Proteomics in the Post-Genome Age. Biopolymers Pept Sci. 2001;60:206–211.
Dongre AR and SAH. Proteomics from a Drug Discovery Persepective. Drug Discovery World. 2000.
Tobi M E. Darmon P. Rozen M. Baratz M. Lundqvist K. Oberg P. Thomas J. Esteban S. Hefta R. Paxon J. Shively. Shared tumor antigens in colorectal carcinoma and neuroendocrine tumors. Cancer Detection and Prevention. 1998;22:147–152.
Klein ML, McGhee SA, Baranian J, Stevens L, Hefta SA. Role of nonspecific cross-reacting antigen, a CD66 cluster antigen, in activation of human granulocytes. Infect Immun. 1996;64(11):4574–4579. http://www.ncbi.nlm.nih.gov/pubmed/8890209
Davis MT, Lee TD, Ronk M, Hefta SA. Microscale immobilized protease reactor columns for peptide mapping by liquid chromatography/mass spectral analyses. Anal Biochem. 1995;224(1):235–244. http://www.ncbi.nlm.nih.gov/pubmed/7710077
Davis MT, Stahl DC, Hefta SA, Lee TD. A microscale electrospray interface for on-line, capillary liquid chromatography/tandem mass spectrometry of complex peptide mixtures. Anal Chem. 1995;67(24):4549–4556. http://www.ncbi.nlm.nih.gov/pubmed/8633788
Pessolani MC, Smith DR, Rivoire B, et al. Purification, characterization, gene sequence, and significance of a bacterioferritin from Mycobacterium leprae. J Exp Med. 1994;180(1):319–327. http://www.ncbi.nlm.nih.gov/pubmed/8006590
Rivoire B, Pessolani MC, Bozic CM, et al. Chemical definition, cloning, and expression of the major protein of the leprosy bacillus. Infect Immun. 1994;62(6):2417–2425. http://www.ncbi.nlm.nih.gov/pubmed/7910593
Enghild JJ, Salvesen G, Thogersen IB, Valnickova Z, Pizzo SV, Hefta SA. Presence of the protein-glycosaminoglycan-protein covalent cross-link in the inter-alpha-inhibitor-related proteinase inhibitor heavy chain 2/bikunin. J Biol Chem. 1993;268(12):8711–8716. http://www.ncbi.nlm.nih.gov/pubmed/7682553
Kasuya J, Paz IB, Maddux BA, Goldfine ID, Hefta SA, Fujita-Yamaguchi Y. Characterization of human placental insulin-like growth factor-I/insulin hybrid receptors by protein microsequencing and purification. Biochemistry. 1993;32(49):13531–13536. http://www.ncbi.nlm.nih.gov/pubmed/8257688
Mahrenholz AM, Yeh CH, Shively JE, Hefta SA. Microsequence and mass spectral analysis of nonspecific cross-reacting antigen 160, a CD15-positive neutrophil membrane glycoprotein. Demonstration of identity with biliary glycoprotein. J Biol Chem. 1993;268(18):13015–13018. http://www.ncbi.nlm.nih.gov/pubmed/8099907
Sauter SL, Rutherfurd SM, Wagener C, Shively JE, Hefta SA. Identification of the specific oligosaccharide sites recognized by type 1 fimbriae from Escherichia coli on nonspecific cross-reacting antigen, a CD66 cluster granulocyte glycoprotein. J Biol Chem. 1993;268(21):15510–15516. http://www.ncbi.nlm.nih.gov/pubmed/8101840
Hefta L F. Chen M. Ronk S. Sauter V. Sarin S. Oikawa H. Nakazato S.A. Hefta J. Shively. Expression of carcinoembryonic antigen and its predicted immunoglobulin-like domains in HeLa cells for epitope analysis. Cancer Research. 1992;52:5647–5655.
Enghild JJ, Salvesen G, Hefta SA, Thogersen IB, Rutherfurd S, Pizzo SV. Chondroitin 4-sulfate covalently cross-links the chains of the human blood protein pre-alpha-inhibitor. J Biol Chem. 1991;266(2):747–751. http://www.ncbi.nlm.nih.gov/pubmed/1898736
Leusch HG, Drzeniek Z, Hefta SA, Markos-Pusztai Z, Wagener C. The putative role of members of the CEA-gene family (CEA, NCA an BGP) as ligands for the bacterial colonization of different human epithelial tissues. Zentralbl Bakteriol. 1991;275(1):118–122. http://www.ncbi.nlm.nih.gov/pubmed/1718301
Mahrenholz AM, Hefta SA, Mansour TE. Phosphofructokinase from Fasciola hepatica: sequence of the cAMP-dependent protein kinase phosphorylation site. Arch Biochem Biophys. 1991;288(2):463–467. http://www.ncbi.nlm.nih.gov/pubmed/1832841
Mooser G, Hefta SA, Paxton RJ, Shively JE, Lee TD. Isolation and sequence of an active-site peptide containing a catalytic aspartic acid from two Streptococcus sobrinus alpha-glucosyltransferases. J Biol Chem. 1991;266(14):8916–8922. http://www.ncbi.nlm.nih.gov/pubmed/1827439
Sauter SL, Rutherfurd SM, Wagener C, Shively JE, Hefta SA. Binding of nonspecific cross-reacting antigen, a granulocyte membrane glycoprotein, to Escherichia coli expressing type 1 fimbriae. Infect Immun. 1991;59(7):2485–2493. http://www.ncbi.nlm.nih.gov/pubmed/1675630
Hefta SA, Paxton RJ, Shively JE. Sequence and glycosylation site identity of two distinct glycoforms of nonspecific cross-reacting antigen as demonstrated by sequence analysis and fast atom bombardment mass spectrometry. J Biol Chem. 1990;265(15):8618–8626. http://www.ncbi.nlm.nih.gov/pubmed/2341397
Leusch HG, Hefta SA, Drzeniek Z, Hummel K, Markos-Pusztai Z, Wagener C. Escherichia coli of human origin binds to carcinoembryonic antigen (CEA) and non-specific crossreacting antigen (NCA). FEBS Lett. 1990;261(2):405–409. http://www.ncbi.nlm.nih.gov/pubmed/2178978
Wong C, Hefta SA, Paxton RJ, Shively JE, Mooser G. Size and subdomain architecture of the glucan-binding domain of sucrose:3-alpha-D-glucosyltransferase from Streptococcus sobrinus. Infect Immun. 1990;58(7):2165–2170. http://www.ncbi.nlm.nih.gov/pubmed/2142138
Hefta SA, Hefta LJ, Lee TD, Paxton RJ, Shively JE. Carcinoembryonic antigen is anchored to membranes by covalent attachment to a glycosylphosphatidylinositol moiety: identification of the ethanolamine linkage site. Proc Natl Acad Sci U S A. 1988;85(13):4648–4652. http://www.ncbi.nlm.nih.gov/pubmed/3387431
Hinoda Y, Neumaier M, Hefta SA, et al. Molecular cloning of a cDNA coding biliary glycoprotein I: primary structure of a glycoprotein immunologically crossreactive with carcinoembryonic antigen. Proc Natl Acad Sci U S A. 1988;85(18):6959–6963. http://www.ncbi.nlm.nih.gov/pubmed/2457922
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