Publications

Liu IK, Turner JW Jr, Van Leeuwen EM, Flanagan DR, Hedrick JL, Murata K,
Lane VM, Morales-Levy MP.
 Persistence of anti-zonae pellucidae antibodies following a single inoculation
of porcine zonae pellucidae in the domestic equine.
Reproduction. 2005 Feb;129(2):181-90. Erratum in: Reproduction. 2005
Apr;129(4):545.

Lindsay LL, Hedrick JL.
 Proteolysis of Xenopus laevis egg envelope ZPA triggers envelope hardening.
Biochem Biophys Res Commun. 2004 Nov 12;324(2):648-54.

Zhang J, Xie Y, Hedrick JL, Lebrilla CB.
 Profiling the morphological distribution of O-linked oligosaccharides.
Anal Biochem. 2004 Nov 1;334(1):20-35.
PMID: 15464950 [PubMed - indexed for MEDLINE]

Zhang J, Lindsay LL, Hedrick JL, Lebrilla CB.
 Strategy for profiling and structure elucidation of mucin-type oligosaccharides
by mass spectrometry.
Anal Chem. 2004 Oct 15;76(20):5990-6001.
PMID: 15481946 [PubMed - indexed for MEDLINE]

Xie Y, Liu J, Zhang J, Hedrick JL, Lebrilla CB.
 Method for the comparative glycomic analyses of o-linked, mucin-type
oligosaccharides.
Anal Chem. 2004 Sep 1;76(17):5186-97.
PMID: 15373460 [PubMed - in process]

Chang BY, Peavy TR, Wardrip NJ, Hedrick JL.
 The Xenopus laevis cortical granule lectin: cDNA cloning, developmental
expression, and identification of the eglectin family of lectins.
Comp Biochem Physiol A Mol Integr Physiol. 2004 Jan;137(1):115-29.

Vo LH, Yen TY, Macher BA, Hedrick JL.
 Identification of the ZPC oligosaccharide ligand involved in sperm binding and
the glycan structures of Xenopus laevis vitelline envelope glycoproteins.
Biol Reprod. 2003 Dec;69(6):1822-30. Epub 2003 Aug 6.

An HJ, Peavy TR, Hedrick JL, Lebrilla CB.
 Determination of N-glycosylation sites and site heterogeneity in glycoproteins.
Anal Chem. 2003 Oct 15;75(20):5628-37.

Lindsay, LL, TR Peavy, RS Lejano and JL Hedrick, Cross-fertilization and structural comparison of egg extracellular matrix glycoproteins from Xenopus laevis and Xenopus tropicalis, Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology 136 (2): 343-352 (2003).

Lindsay, LL, JC Yang, and JL Hedrick. Identification and characterization of a unique Xenopus laevis egg envelope component, ZPD. Development, Growth & Differentiation 44: 205-212 (2002).

Tseng, K, Y Xie, J Seeley, JL Hedrick, and CB Lebrilla. Profiling with structural elucidation of neutral and anionic O-linked oligosaccharide libraries by fourier transform mass spectrometry. Glycoconjugate Journal, 18: 309-320 (2001).

1996-1998

Bonnell, B.S., K. Tseng, L.H. Vo, C.B. Lebrilla, and J.L. Hedrick. Carbohydrate analysis of Xenopus laevis cortical granule lectin egg jelly coat ligand. Molecular Biology of the Cell 9, Supplement: 1798 (1998).

Peavy, T.R., E.J. Carroll, Jr. and J.L. Hedrick. Evolution of the ZPC gene family in amphibians. Molecular Biology of the Cell 9, Supplement: 369 (1998).

Lindsay, L.L., and J.L. Hedrick. Extracellular matrix proteases of the Xenopus egg are translated together as a polyprotein. Molecular Biology of the Cell 9, Supplement: 368 (1998).

Vo, L.H., and J.L. Hedrick. Sperm binding to the ZPC component of egg envelopes in Xenopus laevis. Molecular Biology of the Cell 9, Supplement: 1803 (1998).

Yasumasu, S. and J.L. Hedrick. Fish egg lectin and its ligand. Molecular Biology of the Cell 9, Supplement: 1807 (1998).

Mori, E., J.L. Hedrick, N.J. Wardrip, T. Mori, S. Takasaki. Occurrence of reducing terminal N-acetylglucosamine 3-sulfate and fucosylated outer chains in acidic N-glycans of porcine zona pellucida glycoproteins. Glycoconjugate Journal 15, 447-456 (1998).

Lindsay, L.L., and J.L. Hedrick. Treatment of Xenopus laevis coelomic eggs with trypsin mimics pars recta oviductal transit by selectively hydrolyzing envelope glycoprotein gp43, increasing sperm binding to the envelope and rendering eggs fertilizable. J. of Experimental Zoology 281, 132-138 (1998).

Tseng, K., L.L. Lindsay, S. Penn, J.L. Hedrick, and C.B. Lebrilla. Characterization of neutral oligosaccharide-alditols from Xenopus laevis egg jelly coats by matrix-assisted laser desorption fourier transform mass spectrometry. Analytical Biochemistry 250, 18-28 (1997).

Lindsay, L.L., and J.L. Hedrick. Proteases released from the activated or fertilized Xenopus laevis egg. J. Reproduction and Development 43 Suppl., 151-152 (1997).

Yang, J.C., and J.L. Hedrick. cDNA Cloning and sequence analysis of the Xenopus laevis egg envelope glycoprotein gp43 (ZPC). Develop, Growth & Diff. 39, 457-467 (1997).

Bonnell, B.S., and J.L. Hedrick. Xenopus laevis cortical granule lectin/ligand interactions and their involvement in the block to polyspermy. J. Reproduction and Development 43 Suppl., 153-154 (1997).

Mozingo, N.M., and J.L. Hedrick. Localization of the cortical granule lectin ligand in Xenopus laevis eggs. Develop. Growth & Differ. 38, 647-652 (1996).

Quill, T.A., and J.L. Hedrick. The fertilization layer mediated block to polyspermy in Xenopus laevis: isolation of the cortical granule lectin ligand. Archives of Biochemistry and Biophysics 333, 326-332 (1996).

Hedrick, J.L. Comparative structural and antigenic properties of zona pellucida glycoproteins. J. Reproduction and Fertility Suppl. 50, 9-17 (1996).

Lindsay, L.L., and J.L. Hedrick. Characterization of proteases released during activation of the Xenopus laevis egg. Molecular Biology of the Cell 7, Supplement: 483a (1996).

Bonnell, B.S., and J.L. Hedrick. Purification and analysis of Xenopus laevis cortical granule lectin and its ligand. Molecular Biology of the Cell 7, Supplement: 481a (1996).

Hedrick, J.L., L.L. Lindsay, and L. Vo. Glucosaminidase and its extracellular matrix substrate in Xenopus laevis eggs. Zoological Science 13, Supplement: 72 (1996).

1993-1995

Lindsay, L.E., and J.L. Hedrick. Isolation and characterization of ovochymase, a chymotrypsin- like protease released during Xenopus laevis egg activation. Developmental Biology 167, 513-515 (1995).

Quill, T.A., and J.L. Hedrick. Oviductal localization of the cortical granule lectin ligand involved in the block to polyspermy in Xenopus laevis. Develop. Growth & Differ. 36, 615-620 (1994).

Hedrick, J.L., J.A. Mengshol, and M.J. Wieduwilt. Lectins as microbicides and spermicides. Molecular Biology of the Cell 5, Supplement: 224a (1994).

Yang, J.C. and J.L. Hedrick. Cloning of gp69,64 and ovochymase from Xenopus laevis eggs. Molecular Biology of the Cell 5, Supplement: 461a (1994).

Mozingo, N.M., and J.L. Hedrick. Heterogeneous distribution of lectin binding sites in Xenopus laevis egg jelly. Molecular Biology of the Cell 5, Supplement: 224a (1994).

Hirano, T., S. Takasaki, J.L. Hedrick, N.J. Wardrip, J. Amano, and A. Kobata. O-Linked neutral sugar chains of porcine zona pellucida glycoproteins. European J. of Biochem. 214, 763-769 (1993).

Hedrick, J., B. Chang, N. Wardrip, T. Quill. The Xenopus laevis Cortical Granule Lectin and Its Ligand. J. of Reproduction and Development, 39, Supplement: 81-82 (1993).

Hedrick, J.L. The Pig Zona Pellucida: Sperm Binding Ligands, Antigens, and Sequence Homologies. In: Reproductive Immunology (F. Dondero and P.M. Johnson, eds., Serano Symposia Publications, Vol. 97, Raven Press, New York, pp. 59-65 (1993).

Takasaki, S., E. Mori, T. Hirano, K. Furukawa, J. Amano, T. Mori, J.L. Hedrick, N.J. Wardrip, and A. Kobata. Structure of Sugar Chains Included in Porcine Zona Pellucida Glycoproteins. J. of Reproduction and Development, 39, Supplement: 39-40 (1993).

Urch, U., B. Nitta, and J.L. Hedrick. A polystyrene microsphere assay for porcine sperm-zona pellucida interaction. J. Reprod. Develop. 39, Supplement: 124 (1993).

1991-1992

Lindsay, L.L., C.A. Larabell, and J.L. Hedrick. Localization of a chymotrypsin-like protease to the perivitelline space of Xenopus laevis eggs. Developmental Biology, 154, 433-436 (1992).

Fabry, H. and J.L. Hedrick. Antibody production in the goat: Immunokinetic and epitope specificity using a glycoprotein immunogen. Zoological Science 9, 995-1000 (1992).

Birr, C.A. and J.L. Hedrick. Imunoelectrophoretic identification of jelly coat ligands bound by the certical granule lectin from Xenopus laevis eggs. Develop., Growth and Differentiation, 34, 91-98 (1992).

Mori, E., S. Takasaki, J.L. Hedrick, N.J. Wardrip, T. Mori, and A. Kobata. N-linked neutral sugar chains of porcine zona pellucida glycoproteins. Abstracts of the 11th International Symposium on Glycoconjugates, Ottawa, Canada (1992).

Hardy, D.M. and J.L. Hedrick. Oviductin: Purification and properties of an oviductal glycoproteinase essential for Xenopus laevis fertilization. Biochemistry, 31, 4466-4472 (1991).

Hedrick, J.L. and D.M. Hardy. Isolation of extracellular matrix structures from Xenopus laevis oocytes, eggs, and embryos. Methods in Cell Biology, 36, 231-247 (1991).

Mori, E., S. Takasaki, J.L. Hedrick, N.J. Wardrip, T. Mori, and A. Kobata. Neutral oligosaccharide structures linked to asparagines of porcine zona pellucida glycoproteins. Biochemistry 30, 2078-2087 (1991).

Hedrick, J.L. and T. Nishihara. Structure and function of the extracellular matrix of anuran eggs. J. of Electron Microscopy Technique, 17, 319-335 (1991).

1990

Bakos, M., A. Kurosky and J.L. Hedrick. Physicochemical characterization of progressive changes in the Xenopus laevis egg envelope following oviductal transport and fertilization. Biochemistry 29, 609-615 (1990).

Bakos, M., A. Kurosky and J.L. Hedrick. Enzymatic and envelope-converting activities of pars recta oviductal fluid from Xenopus laevis. Developmental Biology 138, 169-176 (1990).

Hedrick, J.L. and M.J. Alexander. Analysis of zona pellucida antigens. "Reproductive Immunology, 1989". L. Mettler, Ed., Elsevier, Amsterdam, p. 95-96 (1990).

Urch, U.A. and J.L. Hedrick. The porcine zona pellucida ligand for boar sperm proaciosin. J. Cell Biol., 111, 488a (1990).

Wardrip, N.J. and J. L. Hedrick. The oligosaccharide moiety in structure-function studies of the certical granual lectin. J. Cell Biol., 111, 486a (1990).

Chang, Y.B., N.J. Wardrip, and J.L. Hedrick. The cloning of the certical granual lectin cDNA. J. Cell Biol., 111, 4870- (1990).

1989

Hedrick, J.L. Structure-function properties of the pig zona pellucida: Immunological studies. Proceedings of the 4th Annual Meeting, Japan Society for Basic Reproductive Immunology and the Japan Society for Medical Reproductive Immunology, Hayashi-Kobo Co., Ltd., Tokyo, Japan, p. 1-4 (1989).

Berger, T., A. Davis, N.J. Wardrip and J.L. Hedrick. Sperm binding to the porcine zona pellucida and inhibition of binding by solubilized components of the zona pellucida. Journal of Reproduction and Fertility 86, 559-565 (1989).

Berger, T., K.O. Turner, S. Meizel and J.L. Hedrick. The zona pellucida induced acrosome reaction in boar sperm. Biology of Reproduction 40, 525-530 (1989).

Lindsay, L.L., and J.L. Hedrick. Proteases released from Xenopus laevis eggs at activation and their role in envelope conversion. Developmental Biology 135, 202-211 (1989).

Larabell, C.A., L.L. Lindsay and J.L. Hedrick. Localization of a chymotrypsin-like enzyme to the perivitelline space of Xenopus laevis eggs. J. Cell. Biol. 109, 128a (1989).

Hedrick, J.L. and T. Berger. Identification of zona pellucida antigens involved in sperm binding. 4th International Congress of Reproductive Immunology (1989).

Hardy, D.M. and J.L. Hedrick. Isolation and characterization of oviductin from Xenopus laevis pars recta oviduct. Zool. Sci. 6, 1153 (1989).

Larabell, C.A., D.M. Hardy and J.L. Hedrick. Fibers of the coelomic envelope of Xenopus laevis eggs are unbundled by an oviductal enzyme. J. Cell. Biol. 109, 128a (1989).

Wardrip, N.J. and J.L. Hedrick. Structure function studies on the cortical granule lectin. J. Cell. Biol. 107, 176a (1989).

Betancourt, M., R. Fierro, H. Serrano, N. Wardrip and J.L. Hedrick. Inhibition of sperm binding to pig zona pellucida (ZP) by monoclonal antibodies (MAbs) against whole ZP and 55K glycoprotein. J. Cell. Biol. 107, 174a (1989).

Serrano, H., M. Betancourt, R. Fierro, N.J. Wardrip and J.L. Hedrick. Monoclonal anti-90K pig zona pellucida (ZP) antibodies produced by in vitro immunication. J. Cell. Biol. 107, 174a (1989).

Lindsay, L.L. and J.L. Hedrick. Egg envelope conversion and release of proteases during activation of the Xenopus laevis egg. J. Cell. Biol. 107, 174a (1989).

Hardy, D.M. and J.L. Hedrick. Purification and characterization of coelomic envelope glycoprotein convertase from Xenopus laevis oviduct. J. Cell. Biol. 107, 173a (1989).

Quill, T.A. and J.L. Hedrick. Initial studies on the cortical granule lectin ligands involved in the block to polyspermy in Xenopus laevis. J. Cell Biol. 107, 173a (1989).

Urch U.A. and J.L. Hedrick. The hydrophobic nature of the boar spearm lectin-protease, acrosin. J. Cell. Biol. 107, 167a (1989).

Hedrick, J.L. and U.A. Urch. Description of the zona pellucida ligand for the lectin-protease, acrosin. J. Cell. Biol. 107, 167a (1989).

1988

Hardy, D.M., A.F.M. Schoots and J.L. Hedrick. Caprine acrosin: Purification, characterization, and proteolysis of the porcine zona pellucida. Biochemical Journal 257, 447-453 (1988).

Yamaguchi, S., J.L. Hedrick and C. Katagiri. Synthesis and localization of envelope glycoproteins in oocytes of Xenopus laevis. Development, Growth and Differentiation 31, 85-94 (1989).

Hedrick, J.L., U.A. Urch, and D.H. Hardy. The structure-function properties of the sperm enzyme acrosin. In: Biocatalysis in Agricultural Biotechnology (J. Whitakerand P. Sonnet, eds.), American Chemical Society Books, Washington, D.C., pp. 215-229 (1988).

Lindsay, L.L., H. Yamasaki, J.L. Hedrick and C. Katagiri. Egg envelope conversion following fertilization in Bufo japonicus. Developmental Biology 130, 37-44 (1988). Chamow, S.M. and J.L. Hedrick. A micromethod for the estimation of oligosaccharides containing glycosidically linked sialic acid or hexoses, or both, in glycoproteins. Carbohydrate Research 176, 195-203 (1988).

Urch, U.A. and J.L. Hedrick. The inhibition of boar acrosin amidase activity by sulfated polysaccharides. Biological Chemistry Hoppe-Seyler 369, 727-732 (1988).

Lindsay, L.L. and J.L. Hedrick. Identification of Xenopus laevis sperm and egg envelope binding components on nitrocellulose membranes. The Journal of Experimental Zoology 245, 286-293 (1988).

Hedrick, J.L. and C. Katagiri. Bufo japonicus japonicus and Xenopus laevis laevis egg jellies contain structurally related antigens and cortical granule lectin ligands. The Journal of Experimental Zoology 245, 78-85 (1988).

Hedrick, J.L., U.A. Urch and D.H. Hardy. The role of a sperm protease in animal fertilization. Book of Abstracts, 3rd Chemical Congress of North America, #49, American Chemical Society, Washington, D.C. (1988).

Nishihara, T., and J.L Hedrick. A lectin-ligand interaction establishes a block to polyspermy at fertilization in Xenopus laevis. Abstracts, 10th International Lectin Conference p. 59, Charles University, Prague, Czechoslovakia (1988).

Hedrick, J.L. and N.J. Wardrip. Structural studies on the cortical granule lectin. Abstracts, 14th International Congress of Biochemistry, p. Th 555, Videopress IOJ, Prague, Czechoslovakia (1988).

Hardy, D.M. and J.L. Hedrick. Purification and characterization of coelomic envelope glycoprotein convertase from Xenopus laevis oviduct. Zool. Sci. 5, 1147 (1988).

Hedrick, J.L. and U.A. Urch. Inhibition of boar acrosin amidase activity with polysulfated polysaccharides. Biol. Reprod. 38, Suppl. 1, 73 (1988).

1986-1987

Harizanis, P.C., N.E. Gary and J.L. Hedrick. Analysis and content of ATP in spermatozoa of honeybees (Apis mellifera L.) Journal of Apicultural Research 26, 150-155 (1987).

Takamune, K., L. Lindsay, J.L. Hedrick and C. Katagiri. Comparative studies of Bufo and Xenopus vitelline coat molecular transformations induced by homologous and heterologous oviducal pars recta proteases. The Journal of Experimental Zoology 244, 145-150 (1987).

Hedrick, J.L., N.J. Wardrip and T. Berger. Differences in the macromolecular composition of the zona pellucida isolated from pig oocytes, eggs, and zygotes. The Journal of Experimental Zoology 241, 257-262 (1987).

Hedrick, J.L. and N.J. Wardrip. On the macromolecular composition of the zona pellucida from porcine oocytes. Developmental Biology 121, 478-488 (1987).

Yamaguchi, S., J.L. Hedrick and C. Katagiri. Differentiation of vitelline envelope (VE) in growing oocytes of Xenopus laevis studied using anti-VE serum. Zool. Sci. 4, 1053 (1987).

Hedrick, J.L., editor. The Molecular and Cellular Biology of Fertilization. Advances in Experimental Medicine and Biology, Volume 207 Plenum Press, New York (1986).

Chamow, S.M. and J.L. Hedrick. Subunit structure of a cortical granule lectin involved in the block to polyspermy in Xenopus laevis eggs. Federation of European Biochemical Societies 206, 353-357 (1986).

Hedrick, J.L. and N.J. Wardrip. Isolation of the zona pellucida and purification of its glycoprotein families from pig oocytes. Analytical Biochemistry 157, 63-70 (1986).

Hedrick, J.L. and N.J. Wardrip. Proteolysis by a collagenase preparations alters the macromolecular composition of the porcine zona pellucida. Biology of Reproduction 35, 677-682 (1986).

Nishihara, T., R.E. Wyrick, P.K. Working, Y.-H. Chen and J.L. Hedrick. Isolation and characterization of a lectin from the cortical granules of Xenopus laevis eggs. Biochemistry 25, 6013- 6020 (1986).

Monk, B.C. and J.L. Hedrick. The cortical reaction in Xenopus laevis eggs: cortical granule lectin release as determined by radioimmunoassay. Zoological Science 3, 459-466 (1986).

Gerton, G.L. and J.L. Hedrick. The vitelline envelope to fertilization envelope conversion in eggs of Xenopus laevis. Developmental Biology 116, 1-7 (1986).

Gerton, G.L. and J.L. Hedrick. The coelomic envelope to vitelline envelope conversion in eggs of Xenopus laevis. Journal of Cellular Biochemistry 30, 341-350 (1986).

Katagiri, C., K. Takamune, L.L. Lindsay and J.L. Hedrick. Acquisition of fertilizability of Bufo bufo japonicus and Xenopus laevis following limited hydrolysis of vitelline coat by oviductal substances. Dev., Growth, and Diff. 28, 392 (1986).

Berger, T., D.E. Goldhawk, N.H. Wardrip, A. Davis and J.L. Hedrick. Interaction of zona pellucida components with porcine sperm. J. Cell Biol. 103, 368a (1986).

Lindsay, L.L. and J.L. Hedrick Identification of sperm-envelope binding components in Xenopus laevis gametes using western blotting. Dev., Growth, and Diff. 28, 102 (1986).

Wardrip, N.J., D.E. Goldhawk and J.L. Hedrick. The 55 K glycoprotein family of the porcine zona pellucida contains two chemically and immunologically distinct components. Dev. Growth, and Diff. 28, 102 (1986).

1985

Betancourt, M., E. Rodriguez, H. Serrano, N. Wardrip and J.L. Hedrick. El uso de anticuerpos monoclonales para estudiar las funciones de la zona pelucida de vulos de mamiferos. Salud Pblica Mx. 27, 203-212 (1985).

Urch, U.A., N.J. Wardrip and J.L. Hedrick. Proteolysis of the zona pellucida by acrosin: the nature of the hydrolysis products. The Journal of Experimental Zoology 236, 239-243 (1985).

Prody, G.A., L.C. Greve and J.L. Hedrick. Purification and characterization of an N-acetyl-b-D- glucosaminidase from cortical granules of Xenopus laevis eggs. The Journal of Experimental Zoology 235, 335-340 (1985).

Greve, L.C., G.A. Prody and J.L. Hedrick. N-acetyl-b-D-glucosaminidase activity in the cortical granules of Xenopus laevis eggs. Gamete Research 12, 305-312 (1985).

Mendel, V.E., L.L. Bellinger and J.L. Hedrick. Effect of semipurified satietin on feeding behavior of the rat. Proc. 4th Cong. Hung. Pharmacol. Soc. Budapest 3, 301-308 (1985).

Urch, U.A., N.J. Wardrip and J.L. Hedrick. Limited and specific proteolysis of the zona pellucida by acrosin. The Journal of Experimental Zoology 233, 479-483 (1985).

Urch, U.A. and J.L. Hedrick. Acrosin derived peptides bind the zona pellucida. J. Cell Biol. 101, 378a (1985). Wardrip, N.J. and J.L. Hedrick. Pig zona pellucida 25K and 65K glycoproteins are derived from hydrolysis and reduction of the 90K family. J. Cell Biol. 101, 378a (1985).

Bakos, M. and J.L. Hedrick. Molecular mechanism of the coelomic to vitelline envelope conversion in Xenopus laevis eggs. Zool. Sci. 2, 934 (1985).

Bakos, M-A. and J.L. Hedrick. Molecular transformations of egg envelopes essential to fertilization. Natl. Student Res. Forum, Univ. of Texas Med. Branch, Galveston, TX. April 10-12 (1985).

Wardrip, N.J., J.L. Hedrick and T. Berger. Comparison of pig zona pellucida from oocytes, eggs and zygotes. Fed. Proc. 44, 1788 (1985).

Hedrick, J.L. N.J. Wardrip and U.A. Urch. The chemistry of the zona pellucida and its function as a substrate for acrosin. Dev. Growth, and Diff. 27, 175 (1985).

Hedrick, J.L., N.J. Wardrip and U.A. Urch. The chemistry of the zona pellucida and its function as a substrate for acrosin. Devel., Growth, Diff. 27, 175 (1985).

1983-1984

Betancourt, M., E. Rodriguez, H. Serrano, N. Wardrip and J. Hedrick. Produccion de anticuerpos monoclonales en contra de glicoproteinas de la zona pellucida de cerdo. Primer Simposio Internacional Sobre Anticuerpos Monoclonales y Metodos Immunoenzimaticos. Asociacion Mexicana de Biochemica Clinica, Mexico City, p. 3 (1984).

Urch, U.A. and J.L. Hedrick. Partial purification of a sperm protease from Xenopus laevis and the effect of this lysin on the physiological substrate, the vitelline envelope. J. Cell Biol. 99, 397a (1984).

Betancourt, M., E. Rodriguez, H. Serrano, N. Wardrip and J.L. Hedrick. Monoclonal antibodies against the 55K glycoproteins isolated from the pig zona pellucida. J. Cell Biol. 99, 395a (1984).

Wardrip, N.J., D.E. Goldhawk and J.L. Hedrick. Deglycosylation studies of pig zona pellucida. Int. Cell Biol., S. Seno and Y. Okada, eds., Academic Press Japan, Inc., p. 401 (1984).

Betancourt, M., E. Rodriguez, H. Serrano, N. Wardrip and J. Hedrick. Produccion de anticuerpos monoclonales en contra glicoproteinas de la zona pellucida de cerdo. Asociacion de Investigacion Pediatrica. LU III Reunion Reglamentaira, Tequisquipan, Queretaro, Mexico, p. 178-190 (1984).

Nishihara, T., G.L. Gerton and J.L. Hedrick. Radioiodination Studies of the Envelopes from Xenopus laevis Eggs. Journal of Cellular Biochemistry 22, 235-244 (1983).

Schmell, E.D., B.J. Gulyas and J.L. Hedrick. Egg surface changes during fertilization and the molecular mechanism of the block to polyspermy. In: Mechanism and Control of Animal Fertilization (J.F. Hartmann, ed.), Academic Press, New York, pp. 365-413 (1983).

Prody, G.A., L.C. Greve and J.L. Hedrick. N-acetyl-b-D-glucosaminidase activity in cortical granules: characterization and function. J. Cell Biol. 97, 29a (1983).

Schoots, A.F.M. and J.L. Hedrick. Isolation and preliminary characterization of goat acrosin. J. Cell Biol. 97, 30a (1983).

Kutryk, M.A. and J.L. Hedrick. Melting of glycoprotein egg envelopes as a probe of supramolecular conformational differences. Fed. Proc. 42, 1966 (1983).

Chamow, S.M. and J.L. Hedrick. Sequencing N-blocked proteins: enzymatic removal of N- terminal dipeptide and blocking group. Fed. Proc. 42, 2036 (1983).

Urch, U.A. and J.L. Hedrick. Inhibition of boar acrosin by carbohydrates. Fed. Proc. 42, 1952 (1983).

Urch, U.A., N.J. Wardrip and J.L. Hedrick. Limited proteolysis of porcine zona pellucida by porcine acrosin. J. Cell Biol. 95, 162b (1983).

1980-1982

Gerton, G.L., N.J. Wardrip and J.L. Hedrick. A gel eluter for recovery of proteins separated by polyacrylamide gel electrophoresis. Analytical Biochemistry 126, 116-121 (1982).

Hedrick, J.L. and N.J. Wardrip. Topographical radiolabeling of zona pellucida glycoproteins. J. Cell Biol. 95, 162a (1982).

Urch, U.A. and J.L. Hedrick. Isolation and characterization of the hatching enzyme from the amphibian, Xenopus laevis. Archives of Biochemistry & Biophysics 206, 424-431 (1981).

Urch, U.A. and J.L. Hedrick. The hatching enzyme from Xenopus laevis: Limited proteolysis of the fertilization envelope. Journal of Supramolecular Structure and Cellular Biochemistry 15, 111-117 (1981).

Hedrick, J.L. and N.J. Wardrip. Microheterogeneity in the glycoproteins of the zona pellucida is due to the carbohydrate moiety. J. Cell Biol. 91, 177a (1981).

Dunbar, B.S., N.J. Wardrip and J.L. Hedrick. Isolation, physicochemical properties, and macromolecular composition of Zona pellucida from porcine oocytes. Biochemistry 19, 356-365 (1980).

Fry, G.M. and J.L. Hedrick. Immunocytochemical studies on the porcine zona pellucida. J. Cell Biol. 87, 136a (1980).

1977-1979

Urch, U.A., T. Nishihara and J.L. Hedrick. The use of radioiodinated protein substrates for the assay of trypsin and the hatching enzyme from the amphibian Xenopus laevis. Analytical Biochemistry 100, 352-356 (1979).

Hedrick, J.L. and A.J. Smith. Citation classic: Size and charge isomer separation and the estimation of molecular weights of proteins by disc gel electrophoresis. Current Contents 22, #48, 16 (1979).

Wardrip, N.J. and J.L. Hedrick. The macromolecular composition of the porcine zona pellucida. Fed. Proc. 39, 2081. Birr, C. and J.L. Hedrick. Immunological identification of the jelly coat ligand for the Xenopus laevis cortical granule lectin. Fed. Proc. 38, 466 (1979).

Dunbar, B.S., N.J. Wardrip and J.L. Hedrick. Isolation and physicochemical properties of porcine zona pellucida. J. Cell Biol. 79, 163a (1978).

Greve, L.C. and J.L. Hedrick. An immunocytochemical localization of the cortical granule lectin in fertilized and unfertilized eggs of Xenopus laevis. Gamete Research 1, 13-18 (1978).

Dunbar, B.S., N.J. Wardrip and J.L. Hedrick. Large scale isolation and biochemical characterization of porcine zona pellucida. Biol. Reprod. 18, Suppl. 1, 22a (1978).

Nishihara, T. and J.L. Hedrick. Reconstruction of the fertilization envelope from its component parts. J. Cell Biol. 75, 172a (1978).

Grey, R.D., P.K. Working and J.L. Hedrick. Alteration of structure and penetrability of the vitelline envelope after passage of eggs from coelom to oviduct in Xenopus laevis. The Journal of Experimental Zoology 201, 73-84 (1977).

Nishihara, T. and J.L. Hedrick. A molecular mechanism for envelope elevation at fertilization. Fed. Proc. 36, 811 (1977).

1973-1976

Grey, R.D., P.K. Working and J.L. Hedrick. Evidence that the fertilization envelope blocks sperm entry in eggs of Xenopus laevis: Interaction of sperm with isolated envelopes. Developmental Biology 54, 52-60 (1976).

Wolf, D.P., T. Nishihara, D.M. West, R.E. Wyrick and J.L. Hedrick. Isolation, physicochemical properties, and the macromolecular composition of the vitelline and fertilization envelopes from Xenopus laevis eggs. Biochemistry 15, 3671-3678 (1976).

Nishihara, T., R.E. Wyrick and J.L. Hedrick. On the role of a lectin type molecule in the block to polyspermy. Chemistry and Biology 12, 718-722 (1975).

Yurewicz, E.G., G. Oliphant and J.L. Hedrick. The macromolecular composition of Xenopus laevis egg jelly coat. Biochemistry 14, 3101-3107 (1975).

Hedrick, J.L., A.J. Smith, E.C. Yurewicz, G. Oliphant and D.P. Wolf. The incorporation and fate of [35S]-sulfate in the jelly coat of Xenopus laevis eggs. Biology of Reproduction 11, 534-542 (1974).

Wyrick, R.E., T. Nishihara and J.L. Hedrick. Agglutination of jelly coat and cortical granule components and the block to polyspermy in the amphibian Xenopus laevis. Proceedings of the National Academy of Science USA 71, 2067-2071 (1974).

Carroll, E.J. and J.L. Hedrick. Hatching in the toad Xenopus laevis: Morphological events and evidence for a hatching enzyme. Developmental Biology 38, 1-13 (1974).

Grey, R.D., D.P. Wolf and J.L. Hedrick. Formation and structure of the fertilization envelope in Xenopus laevis. Developmental Biology 36, 44-61 (1974).

Wyrick, R.E., T. Nishihara and J.L. Hedrick. Fertilization envelope by glycoprotein agglutination and the block to polyspermy in Xenopus laevis. Fed. Proc. 33, 1453 (1974).

Lorenzi, M. and J.L. Hedrick. On the macromolecular composition of the egg jelly coat from Strongylocentrotus purpuratus eggs. Experimental Cell Research 79, 417-422 (1973).

Yurewicz, E.C. and J.L. Hedrick. The macromolecular composition of Xenopuslaevis egg jelly coats. Biol. Reprod. 9, 72 (1973).

1971-1972

Gusseck, D.J. and J.L. Hedrick. The enzymatic characteristics and the control of glycogen phosphorylase during early amphibian development. Journal of Biological Chemistry 247, 6603 (1972). Hedrick, J.L. The role of pyridoxal-5'-phosphate in glycogen phosphorylase. In: Advances in Biochemical Psychopharmacology (E. Costa and M. Ebadi, eds.), Vol. 4, p. 23 (1972).

Albizati, L.D. and J.L. Hedrick. Active site studies on rabbit liver nicotinamide deamidase. Biochemistry 11, 1508 (1972).

Grey, R.D., D.P. Wolf and J.L. Hedrick. Formation of the fertilization envelope in eggs of Xenopus laevis. J. Cell Biol. 55, 96a (1972).

Carroll, E.J. Jr. and J.L. Hedrick. The hatching process in Xenopus laevis: Identification and properties of a hatching enzyme. Fed. Proc. 31, 435 (1972).

Wolf, D.P. and J.L. Hedrick. A molecular approach to fertilization III. Development of a bioassay for sperm capacitation. Developmental Biology 25, 360 (1971).

Wolf, D.P. and J.L. Hedrick. A molecular approach to fertilization II. Viability and artificial fertilization of Xenopus laevis gametes. Developmental Biology 25, 348 (1971).

Gusseck, D.J. and J.L. Hedrick. A molecular approach to fertilization I Disulfide bonds in Xenopus laevis jelly coat and a molecular hypothesis for fertilization. Developmental Biology 25, 337 (1971).

Gel filtration, aggregation, and the enzymatic activity of glycogen phosphorylase. In: Selected Papers in Biochemistry, Allosteric Regulation (M. Tokushige, ed.), Vol. 8, University Park Press, Baltimore p. 52 (1972).

Carroll, E.J. Jr. and J.L. Hedrick. Purification and properties of a hatching enzyme from the toad Xenopus laevis eggs. Fed. Proc. 30, 1280 (1971).

Oliphant, G. and J.L. Hedrick. Isolation and physicochemical characterization of a sperm capacitation factor from the jelly coat of Xenopus laevis eggs. Fed. Proc. 30, 1280 (1971).

Wolf, D.P. and J.L. Hedrick. Biochemical studies on the block to polyspermy in Xenopus laevis: Isolation and characterization of the fertilization membrane. Fed. Proc. 30, 1970 (1971).

1969-1970

DeVincenzi, D.L. and J.L. Hedrick. Gel filtration, aggregation, and the enzymatic activity of glycogen phosphorylase. Biochemistry 9, 2048 (1970).

Wolf, D.P., G. Oliphant and J.L. Hedrick. Isolation and characterization of a sperm capacitation factor. Pacific Slope Biochemical Conference, p. 19 (1970).

Oliphant, G., D.P. Wolf and J.L. Hedrick. Incorporation of S-35 sulfate into egg jelly coats of Xenopus laevis. Pacific Slope Biochemical Conference, p. 16 (1970).

Copeland, A. and J.L. Hedrick. Differential reactivity of the SH groups of phosphorylase b. Pacific Slope Biochemical Conference, p. 13 (1970).

Oliphant, G., D.P. Wolf and J.L. Hedrick. Biochemical approach to sperm capacitation. Fed. Proc. 29, 643 (1970).

Shaltiel, S., J.L. Hedrick, A. Pocker and E.H. Fischer. Reconstitution of apophosphorylase with pyridoxal-5'-phosphate analogs. Biochemistry 8, 5189 (1969).

Hedrick, J.L., A.J. Smith and G.E. Bruening. Characterization of the aggregated states of glycogen phosphorylase by gel electrophoresis. Biochemistry 8, 4012 (1969).

Shaltiel, S., J.L. Hedrick and E.H. Fischer. Stereospecific requirements for carbonyl reagents in the resolution and reconstitution of phosphorylase b. Biochemistry 8, 2429 (1969).

Hedrick, J.L., S. Shaltiel and E.H. Fischer. Conformational changes and the mechanism of resolution of glycogen phosphorylase b. Biochemistry 8, 2422 (1969).

Hedrick, J.L., D.J. Gusseck, G. Oliphant and D.P. Wolf. A molecular approach to understanding fertilization utilizing Xenopus laevis. Society for the Study of Reproduction (1969).

Wolf, D.P. and J.L. Hedrick. A molecular approach to fertilization. Development of a biological assay system of the function of egg integuments. Pacific Slope Biochemical Conference, p. 44 (1969).

Oliphant, G. and J.L. Hedrick. A molecular approach to fertilization. Physicochemical characterization of the jelly coat material of Xenopus laevis. Pacific Slope Biochemical Conference, p. 43 (1969).

Gusseck, D.J. and J.L. Hedrick. A molecular approach to fertilization. A hypothesis involving disulfide bonds. Pacific Slope Biochemical Conference, p. 43. Butts, A.C. and J.L. Hedrick. Fast reacting sulfhydryl groups of phosphorylase b: Biological function and structural implications. Pacific Slope Biochemical Conference, p. 35 (1969).

Gusseck, D.J. and J.L. Hedrick. Control of glycogenolysis during development of Rana pipens. Fed. Proc. 28, 885 (1969).

1967-1968

Hedrick, J.L. and A.J. Smith. Size and charge isomer separation and estimation of molecular weights of proteins by disc gel electrophoresis. Archives of Biochemistry and Biophysics 126, 155 (1968).

DeVincenzi, D.L. and J.L. Hedrick. Reevaluation of the molecular weights of glycogen phosphorylases a and b. Biochemistry 6, 3489 (1967).

Shaltiel, S., J.L. Hedrick and E.H. Fischer. Preparation of apophosphorylase b by use of deforming agents. Methods in Enzymology 11, 671 (1967).

Strausbach, P.H., A.B. Kent, J.L. Hedrick and E.H. Fischer. Preparation of reduced phosphorylase by use of sodium borohydride. Methods in Enzymology 11, 671 (1967).

Shaltiel, S., J.L. Hedrick and E.H. Fischer. Stereospecific properties of the pyridoxal-5'- phosphate site in glycogen phosphorylase. Proceedings of the Symposium on Structure and Mode of Action of Enzymes, OHOLO Conference, Zichron Yaakov, Israel (1967).

Fischer, E.H., A. Pocker, S. Shaltiel, J.L. Hedrick and S.D. Elsom. Structure and catalytic role of pyridoxal-5'-phosphate in muscle phosphorylase. In: International Symposium on Pyridoxal Enzymes, Yamada, Katunuma and Wada, eds.), Marauzen Co., Tokyo (1967).

DeVincenzi, D.L. and J.L. Hedrick. Size of glycogen phosphorylase under conditions approximating enzymatic assay. 154th Meeting of the American Chemical Society, p. 177. Hedrick, J.L. and A.L. Smith. Relative molecular size of glycogen phosphorylase a and b as characterized by disc gel electrophoresis. Pacific Slope Biochemical Conference, p. 56 (1967).

DeVincenzi, D.L. and J.L. Hedrick. Molecular size of muscle glycogen phosphorylase under conditions approximating the enzymatic assay. Pacific Slope Biochemical Conference, p. 55 (1967).

1960-1966

Hedrick, J.L., S. Shaltiel and E.H. Fischer. On the role of pyridoxal-5'-phosphate in phosphorylase. III. Physicochemical properties and reconstitution of apophosphorylase b. Biochemistry 5, 2117 (1966).

Shaltiel, S., J.L. Hedrick and E.H. Fischer. On the role of pyridoxal-5'-phosphate in phosphorylase. II. Resolution of rabbit muscle phosphorylase b. Biochemistry 5, 2108 (1966).

Hedrick, J.L. An optical rotary dispersion study of glycogen phosphorylase. Archives of Biochemistry and Biophysics 114, 216 (1966).

Hedrick, J.L. and E.H. Fischer. On the role of pyridoxal-5'-phosphate in phosphorylase. I. Absence of classical vitamin B6-dependent enzymatic activities in muscle glycogen phosphorylase. Biochemistry 4, 1337 (1965).

Hedrick, J.L. and H.L. Sallach. The nonoxidative decarboxylation of hydroxypyruvate in mammalian systems. Archives of Biochemistry and Biophysics 105, 261 (1964).

Fischer, E.H., A.W. Forrey, J.L. Hedrick, R.C. Hughes, A.B. Kent and E.G. Krebs. Pyridoxal-5'- phosphorylase. Symposium on Biological and Chemical Aspects of Pyridoxal Catalysis. p. 543. Pergamon Press, London (1963).

Hedrick, J.L. and H.J. Sallach. Hydroxypyruvate decarboxylase. Fed. Proc. 21, 82 (1962).

Hedrick, J.L. and H.J. Sallach. The metabolism of hydroxypyruvate. II. The enzymatic oxidation and decarboxylation of hydroxypyruvate. Journal of Biological Chemistry 236, 1872 (1961).

Hedrick, J.L. and H.J. Sallach. The metabolism of hydroxypyruvate. I. The nonenzymatic decarboxylation and autoxidation of hydroxypyruvate. Journal of Biological Chemistry 236, 1867 (1961).

Hedrick, J.L. and H.J. Sallach. Serine biosynthesis in human liver preparations. Biochimica et Biophysica Acta 41, 531 (1960). Hedrick, J.L. and H.J. Sallach. Metabolism of hydroxypyruvate. Fed. Proc. 19, 36 (1960).