Nga Chung

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Berezowska Irena; Chung Nga N; Lemieux Carole; Wilkes Brian C; Schiller Peter W
Agonist vs antagonist behavior of delta opioid peptides containing novel phenylalanine analogues in place of Tyr(1).
Berezowska Irena; Lemieux Carole; Chung Nga N; Wilkes Brian C; Schiller Peter W
Cyclic opioid peptide agonists and antagonists obtained via ring-closing metathesis.
Ciszewska Malgorzata; Kwasiborska Maria; Nowakowski Michal; Oleszczuk Marta; Wójcik Jacek; Chung Nga N; Schiller Peter W; Izdebski Jan
N-(ureidoethyl)amides of cyclic enkephalin analogs.

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All Publications

2009: Berezowska Irena; Chung Nga N; Lemieux Carole; Wilkes Brian C; Schiller Peter W
Agonist vs antagonist behavior of delta opioid peptides containing novel phenylalanine analogues in place of Tyr(1).
Journal of medicinal chemistry 2009;52(21):6941-5.
2009: Berezowska Irena; Lemieux Carole; Chung Nga N; Wilkes Brian C; Schiller Peter W
Cyclic opioid peptide agonists and antagonists obtained via ring-closing metathesis.
Chemical biology & drug design 2009;74(4):329-34.
2009: Ciszewska Malgorzata; Kwasiborska Maria; Nowakowski Michal; Oleszczuk Marta; Wójcik Jacek; Chung Nga N; Schiller Peter W; Izdebski Jan
N-(ureidoethyl)amides of cyclic enkephalin analogs.
Journal of peptide science : an official publication of the European Peptide Society 2009;15(4):312-8.
2009: Ciarkowski J; Zieleniak A; Rodziewicz-Motowidlo S; Rusak L; Chung N N; Czaplewski C; Witkowska E; Schiller P W; Izdebski J
Deltorphin analogs restricted via a urea bridge: structure and opioid activity.
Advances in experimental medicine and biology 2009;611():491-2.
2009: Weltrowska Grazyna; Lemieux Carole; Chung Nga N; Wilkes Brian C; Schiller Peter W
Stereoselective synthesis of (3S)- and (3R)-3-hydroxy-3-(2,6-dimethyl-4-hydroxyphenyl)propanoic acid and its incorporation into a cyclic enkephalin analogue.
Advances in experimental medicine and biology 2009;611():207-8.
2008: Weltrowska Grazyna; Nguyen Thi M-D; Lemieux Carole; Chung Nga N; Schiller Peter W
Potent opioid peptide agonists containing 4'-[N-((4'-phenyl)-phenethyl)carboxamido]phenylalanine (Bcp) in place of Tyr.
Chemical biology & drug design 2008;72(5):337-40.
2008: Ghosh Animesh; Luo Jie; Liu Chen; Weltrowska Grazyna; Lemieux Carole; Chung Nga N; Lu Yixin; Schiller Peter W
Novel opioid peptide derived antagonists containing (2S)-2-methyl-3-(2,6-dimethyl-4-carbamoylphenyl)propanoic acid [(2S)-Mdcp].
Journal of medicinal chemistry 2008;51(18):5866-70.
2008: Zieleniak Agnieszka; Rodziewicz-Motowidlo Sylwia; Rusak Lukasz; Chung Nga N; Czaplewski Cezary; Witkowska Ewa; Schiller Peter W; Ciarkowski Jerzy; Izdebski Jan
Deltorphin analogs restricted via a urea bridge: structure and opioid activity.
Journal of peptide science : an official publication of the European Peptide Society 2008;14(7):830-7.
2008: Ballet Steven; Misicka Aleksandra; Kosson Piotr; Lemieux Carole; Chung Nga N; Schiller Peter W; Lipkowski Andrzej W; Tourwé Dirk
Blood-brain barrier penetration by two dermorphin tetrapeptide analogues: role of lipophilicity vs structural flexibility.
Journal of medicinal chemistry 2008;51(8):2571-4.
2008: Fichna Jakub; do-Rego Jean-Claude; Chung Nga N; Costentin Jean; Schiller Peter W; Janecka Anna
[Dmt1, d-1-Nal3]morphiceptin, a novel opioid peptide analog with high analgesic activity.
Peptides 2008;29(4):633-8.
2007: Witkowska Ewa; Nowakowski Michal; Oleszczuk Marta; Filip Katarzyna; Ciszewska Malgorzata; Chung Nga N; Schiller Peter W; Wójcik Jacek; Izdebski Jan
Ureido group containing cyclic dermorphin(1-7) analogues: synthesis, biology and conformation.
Journal of peptide science : an official publication of the European Peptide Society 2007;13(8):519-28.
2007: Berezowska Irena; Chung Nga N; Lemieux Carole; Wilkes Brian C; Schiller Peter W
Dicarba analogues of the cyclic enkephalin peptides H-Tyr-c[D-Cys-Gly-Phe-D(or L)-Cys]NH(2) retain high opioid activity.
Journal of medicinal chemistry 2007;50(6):1414-7.
2007: Fichna Jakub; do-Rego Jean-Claude; Chung Nga N; Lemieux Carole; Schiller Peter W; Poels Jeroen; Broeck Jozef Vanden; Costentin Jean; Janecka Anna
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
Journal of medicinal chemistry 2007;50(3):512-20.
2007: Tóth Géza; Ioja Eniko; Tömböly Csaba; Ballet Steven; Tourwé Dirk; Péter Antal; Martinek Tamás; Chung Nga N; Schiller Peter W; Benyhe Sándor; Borsodi Anna
Beta-methyl substitution of cyclohexylalanine in Dmt-Tic-Cha-Phe peptides results in highly potent delta opioid antagonists.
Journal of medicinal chemistry 2007;50(2):328-33.
2007: Izdebski Jan; Kunce Danuta; Schiller Peter W; Chung Nga N; Gers Tomasz; Zelman Monika; Grabek Monika
Synthesis and biological activity of homoarginine-containing opioid peptides.
Journal of peptide science : an official publication of the European Peptide Society 2007;13(1):27-30.
2006: Lu Yixin; Lum Tze Keong; Leow Augustine Yoon Wui; Weltrowska Grazyna; Nguyen Thi M-D; Lemieux Carole; Chung Nga N; Schiller Peter W
Replacement of the N-terminal tyrosine residue in opioid peptides with 3-(2,6-dimethyl-4-carbamoylphenyl)propanoic acid (Dcp) results in novel opioid antagonists.
Journal of medicinal chemistry 2006;49(17):5382-5.
2006: Berezowska Irena; Chung Nga N; Lemieux Carole; Wilkes Brian C; Schiller Peter W
Cyclic dermorphin tetrapeptide analogues obtained via ring-closing metathesis.
Acta biochimica Polonica 2006;53(1):73-6.
2005: Ballet S; Frycia A; Piron J; Chung N N; Schiller P W; Kosson P; Lipkowski A W; Tourwé D
Synthesis and biological evaluation of constrained analogues of the opioid peptide H-Tyr-D-Ala-Phe-Gly-NH2 using the 4-amino-2-benzazepin-3-one scaffold.
The journal of peptide research : official journal of the American Peptide Society 2005;66(5):222-30.
2005: Kruszynski R; Fichna J; do-Rego J-C; Chung N N; Schiller P W; Kosson P; Costentin J; Janecka A
Novel endomorphin-2 analogs with mu-opioid receptor antagonist activity.
The journal of peptide research : official journal of the American Peptide Society 2005;66(3):125-31.
2005: Wiszniewska Anna; Kunce Danuta; Chung Nga N; Schiller Peter W; Izdebski Jan
p-Nitrophenoxycarbonyl derivatives of Boc-protected diaminoalkanes in the synthesis of enkephalin peptidomimetics.
Journal of peptide science : an official publication of the European Peptide Society 2005;11(9):579-83.
2005: Schiller P W; Berezowska I; Weltrowska G; Chen H; Lemieux C; Chung N N
Type and location of fluorescent probes incorporated into the potent mu-opioid peptide [Dmt]DALDA affect potency, receptor selectivity and intrinsic efficacy.
The journal of peptide research : official journal of the American Peptide Society 2005;65(6):556-63.
2005: Witkowska Renata; Chung Nga N; Schiller Peter W; Zabrocki Janusz
Synthesis and biological activity profile of new analogues of the cyclic opioid peptide H-Tyr-c[D-Cys-Gly-Phe(pNO2)-D-Cys]-NH2 containing (S)-alpha-hydroxymethylcysteine in place of cysteine.
Journal of peptide science : an official publication of the European Peptide Society 2005;11(6):361-3.
2005: Filip Katarzyna; Oleszczuk Marta; Wójcik Jacek; Chung Nga N; Schiller Peter W; Pawlak Danuta; Zieleniak Agnieszka; Parcinska Agnieszka; Witkowska Ewa; Izdebski Jan
Cyclic enkephalin and dermorphin analogues containing a carbonyl bridge.
Journal of peptide science : an official publication of the European Peptide Society 2005;11(6):347-52.
2005: Van den Eynde Isabelle; Laus Georges; Schiller Peter W; Kosson Piotr; Chung Nga N; Lipkowski Andrzej W; Tourwé Dirk
A new structural motif for mu-opioid antagonists.
Journal of medicinal chemistry 2005;48(10):3644-8.
2005: Weltrowska G; Lemieux C; Chung N N; Schiller P W
Cyclic enkephalin analogs containing various para-substituted phenylalanine derivatives in place of Tyr1 are potent opioid agonists.
The journal of peptide research : official journal of the American Peptide Society 2005;65(1):36-41.
2005: Chen Heru; Chung Nga N; Lemieux Carole; Zelent Bogumil; Vanderkooi Jane M; Gryczynski Ignacy; Wilkes Brian C; Schiller Peter W
[Aladan3]TIPP: a fluorescent delta-opioid antagonist with high delta-receptor binding affinity and delta selectivity.
Biopolymers 2005;80(2-3):325-31.
2004: Weltrowska Grazyna; Lu Yixin; Lemieux Carole; Chung Nga N; Schiller Peter W
A novel cyclic enkephalin analogue with potent opioid antagonist activity.
Bioorganic & medicinal chemistry letters 2004;14(18):4731-3.
2004: Fichna Jakub; do-Rego Jean-Claude; Costentin Jean; Chung Nga N; Schiller Peter W; Kosson Piotr; Janecka Anna
Opioid receptor binding and in vivo antinociceptive activity of position 3-substituted morphiceptin analogs.
Biochemical and biophysical research communications 2004;320(2):531-6.
2004: Weltrowska G; Lemieux C; Chung N N; Schiller P W
A chimeric opioid peptide with mixed mu agonist/delta antagonist properties.
The journal of peptide research : official journal of the American Peptide Society 2004;63(2):63-8.
2004: Berezowska Irena; Lemieux Carole; Chung Nga N; Zelent Bogumil; Schiller Peter W
Dansylated analogues of the opioid peptide [Dmt1]DALDA: in vitro activity profiles and fluorescence parameters.
Acta biochimica Polonica 2004;51(1):107-13.
2003: Filip Katarzyna; Oleszczuk Marta; Pawlak Danuta; Wojcik Jacek; Chung Nga N; Schillerc Peter W; Izdebski Jan
Potent side-chain to side-chain cyclized dermorphin analogues containing a carbonyl bridge.
Journal of peptide science : an official publication of the European Peptide Society 2003;9(10):649-57.
2003: Berezowska Irena; Chung Nga N; Lemieux Carole; Zelent Bogumil; Szeto Hazel H; Schiller Peter W
Highly potent fluorescent analogues of the opioid peptide [Dmt1] DALDA.
Peptides 2003;24(8):1195-200.
2003: Schiller Peter W; Weltrowska Grazyna; Nguyen Thi M-D; Lemieux Carole; Chung Nga N; Lu Yixin
Conversion of delta-, kappa- and mu-receptor selective opioid peptide agonists into delta-, kappa- and mu-selective antagonists.
Life sciences 2003;73(6):691-8.
2003: Schlechtingen Georg; DeHaven Robert N; Daubert Jeffrey D; Cassel Joel A; Chung Nga N; Schiller Peter W; Taulane Joseph P; Goodman Murray
Structure-activity relationships of dynorphin a analogues modified in the address sequence.
Journal of medicinal chemistry 2003;46(11):2104-9.
2002: Rew Yosup; Malkmus Shelle; Svensson Camilla; Yaksh Tony L; Chung Nga N; Schiller Peter W; Cassel Joel A; DeHaven Robert N; Taulane Joseph P; Goodman Murray
Synthesis and biological activities of cyclic lanthionine enkephalin analogues: delta-opioid receptor selective ligands.
Journal of medicinal chemistry 2002;45(17):3746-54.
2001: Keller M; Boissard C; Patiny L; Chung N N; Lemieux C; Mutter M; Schiller P W
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
Journal of medicinal chemistry 2001;44(23):3896-903.
2001: Lu Y; Nguyen T M; Weltrowska G; Berezowska I; Lemieux C; Chung N N; Schiller P W
[2',6'-Dimethyltyrosine]dynorphin A(1-11)-NH2 analogues lacking an N-terminal amino group: potent and selective kappa opioid antagonists.
Journal of medicinal chemistry 2001;44(19):3048-53.
2001: Pawlak D; Oleszczuk M; Wójcik J; Pachulska M; Chung N N; Schiller P W; Izdebski J
Highly potent side-chain to side-chain cyclized enkephalin analogues containing a carbonyl bridge: synthesis, biology and conformation.
Journal of peptide science : an official publication of the European Peptide Society 2001;7(3):128-40.
2001: Lu Y; Weltrowska G; Lemieux C; Chung N N; Schiller P W
Stereospecific synthesis of (2S)-2-methyl-3-(2',6'-dimethyl-4'-hydroxyphenyl)-propionic acid (Mdp) and its incorporation into an opioid peptide.
Bioorganic & medicinal chemistry letters 2001;11(3):323-5.
2001: Kaczmarek K; Kaleta M; Chung N N; Schiller P W; Zabrocki J
A novel cis-peptide bond motif inducing beta-turn type VI. The synthesis of enkephalin analogues modified with 4-aminopyroglutamic acid.
Acta biochimica Polonica 2001;48(4):1159-63.
2001: Olma A; Chung N N; Schiller P W; Zabrocki J
DALDA analogues containing alpha-hydroxymethylamino acids.
Acta biochimica Polonica 2001;48(4):1121-4.
2000: Schiller P W; Nguyen T M; Berezowska I; Dupuis S; Weltrowska G; Chung N N; Lemieux C
Synthesis and in vitro opioid activity profiles of DALDA analogues.
European journal of medicinal chemistry 2000;35(10):895-901.
2000: Schlechtingen G; Zhang L; Maycock A; DeHaven R N; Daubert J D; Cassel J; Chung N N; Schiller P W; Goodman M
[Pro(3)]Dyn A(1-11)-NH(2): a dynorphin analogue with high selectivity for the kappa opioid receptor.
Journal of medicinal chemistry 2000;43(14):2698-702.
2000: Schiller P W; Berezowska I; Nguyen T M; Schmidt R; Lemieux C; Chung N N; Falcone-Hindley M L; Yao W; Liu J; Iwama S; Smith A B; Hirschmann R
Novel ligands lacking a positive charge for the delta- and mu-opioid receptors.
Journal of medicinal chemistry 2000;43(4):551-9.
1999: Schiller P W; Fundytus M E; Merovitz L; Weltrowska G; Nguyen T M; Lemieux C; Chung N N; Coderre T J
The opioid mu agonist/delta antagonist DIPP-NH(2)[Psi] produces a potent analgesic effect, no physical dependence, and less tolerance than morphine in rats.
Journal of medicinal chemistry 1999;42(18):3520-6.
1999: Schiller P W; Weltrowska G; Schmidt R; Berezowska I; Nguyen T M; Lemieux C; Chung N N; Carpenter K A; Wilkes B C
Subtleties of structure-agonist versus antagonist relationships of opioid peptides and peptidomimetics.
Journal of receptor and signal transduction research 1999;19(1-4):573-88.
1999: Schiller P W; Weltrowska G; Berezowska I; Nguyen T M; Wilkes B C; Lemieux C; Chung N N
The TIPP opioid peptide family: development of delta antagonists, delta agonists, and mixed mu agonist/delta antagonists.
Biopolymers 1999;51(6):411-25.
1998: Tourwé D; Mannekens E; Diem T N; Verheyden P; Jaspers H; Tóth G; Péter A; Kertész I; Török G; Chung N N; Schiller P W
Side chain methyl substitution in the delta-opioid receptor antagonist TIPP has an important effect on the activity profile.
Journal of medicinal chemistry 1998;41(26):5167-76.
1998: Wilkes B C; Nguyen T M; Weltrowska G; Carpenter K A; Lemieux C; Chung N N; Schiller P W
The receptor-bound conformation of H-Tyr-Tic-(Phe-Phe)-OH-related delta-opioid antagonists contains all trans peptide bonds.
The journal of peptide research : official journal of the American Peptide Society 1998;51(5):386-94.
1998: Asche G; Kunz H; Nar H; Köppen H; Briem H; Pook K H; Schiller P W; Chung N N; Lemieux C; Esser F
Synthesis of cyclic dipeptide templates, their incorporation into peptides and studies on their conformational and biological properties.
The journal of peptide research : official journal of the American Peptide Society 1998;51(5):323-36.
1997: Pawlak D; Chung N N; Schiller P W; Izdebski J
Synthesis of a novel side-chain to side-chain cyclized enkephalin analogue containing a carbonyl bridge.
Journal of peptide science : an official publication of the European Peptide Society 1997;3(4):277-81.
1997: Schmidt R; Menard D; Mrestani-Klaus C; Chung N N; Lemieux C; Schiller P W
Structural modifications of the N-terminal tetrapeptide segment of [D-Ala2]deltorphin I: effects on opioid receptor affinities and activities in vitro and on antinociceptive potency.
Peptides 1997;18(10):1615-21.
1996: Schmidt R; Wilkes B C; Chung N N; Lemieux C; Schiller P W
Effect of aromatic amino acid substitutions in the 3-position of cyclic beta-casomorphin analogues on mu-opioid agonist/delta-opioid antagonist properties.
International journal of peptide and protein research 1996;48(5):411-9.
1995: Schmidt R; Kálmán A; Chung N N; Lemieux C; Horváth C; Schiller P W
Structure-activity relationships of dermorphin analogues containing N-substituted amino acids in the 2-position of the peptide sequence.
International journal of peptide and protein research 1995;46(1):47-55.
1995: Dooley C T; Kaplan R A; Chung N N; Schiller P W; Bidlack J M; Houghten R A
Six highly active mu-selective opioid peptides identified from two synthetic combinatorial libraries.
Peptide research 1995;8(3):124-37.
1994: Dooley C T; Chung N N; Wilkes B C; Schiller P W; Bidlack J M; Pasternak G W; Houghten R A
An all D-amino acid opioid peptide with central analgesic activity from a combinatorial library.
Science (New York, N.Y.) 1994;266(5193):2019-22.
1994: Schmidt R; Vogel D; Mrestani-Klaus C; Brandt W; Neubert K; Chung N N; Lemieux C; Schiller P W
Cyclic beta-casomorphin analogues with mixed mu agonist/delta antagonist properties: synthesis, pharmacological characterization, and conformational aspects.
Journal of medicinal chemistry 1994;37(8):1136-44.
1993: Dooley C T; Chung N N; Schiller P W; Houghten R A
Acetalins: opioid receptor antagonists determined through the use of synthetic peptide combinatorial libraries.
Proceedings of the National Academy of Sciences of the United States of America 1993;90(22):10811-5.
1993: Schiller P W; Weltrowska G; Nguyen T M; Wilkes B C; Chung N N; Lemieux C
TIPP[psi]: a highly potent and stable pseudopeptide delta opioid receptor antagonist with extraordinary delta selectivity.
Journal of medicinal chemistry 1993;36(21):3182-7.
1993: Schiller P W; Nguyen T M; Weltrowska G; Chung N N; Lemieux C; Marsden B J; Wilkes B C
The use of conformational restriction and molecular modeling techniques in the development of receptor-specific opioid peptide agonists and antagonists.
NIDA research monograph 1993;134():238-52.
1992: Schiller P W; Nguyen T M; Weltrowska G; Wilkes B C; Marsden B J; Lemieux C; Chung N N
Differential stereochemical requirements of mu vs. delta opioid receptors for ligand binding and signal transduction: development of a class of potent and highly delta-selective peptide antagonists.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(24):11871-5.
1992: Schiller P W; Weltrowska G; Nguyen T M; Wilkes B C; Chung N N; Lemieux C
Conformationally restricted deltorphin analogues.
Journal of medicinal chemistry 1992;35(21):3956-61.
1991: Schiller P W; Weltrowska G; Nguyen T M; Lemieux C; Chung N N; Marsden B J; Wilkes B C
Conformational restriction of the phenylalanine residue in a cyclic opioid peptide analogue: effects on receptor selectivity and stereospecificity.
Journal of medicinal chemistry 1991;34(10):3125-32.
1990: Schiller P W; Nguyen T M; Chung N N; Dionne G; Martel R
Peripheral antinociceptive effect of an extremely mu-selective polar dermorphin analog (DALDA).
Progress in clinical and biological research 1990;328():53-6.
1989: Schiller P W; Nguyen T M; Chung N N; Lemieux C
Dermorphin analogues carrying an increased positive net charge in their "message" domain display extremely high mu opioid receptor selectivity.
Journal of medicinal chemistry 1989;32(3):698-703.

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Nga Chung

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