Search Results - "Wang, Y John"
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Trehalose: current use and future applications
Published in Journal of pharmaceutical sciences (01-06-2011)“…Trehalose, a disaccharide of glucose, has been reported to accumulate in many organisms that can withstand extended periods of inanimation. Since this…”
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2
Dual Effect of Histidine on Polysorbate 20 Stability: Mechanistic Studies
Published in Pharmaceutical research (01-02-2018)“…Purpose L-Histidine (L-His) and polysorbate 20 (PS20) are two excipients frequently included in parenteral products to stabilize biotherapeutics. The objective…”
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3
Oxidative degradation of polysorbate surfactants studied by liquid chromatography-mass spectrometry
Published in Journal of pharmaceutical sciences (01-03-2015)“…Polysorbates (PSs), as acquired from manufacturing processes and chemical nature of fatty acids (FAs) used in production of biotherapeutic formulations, are…”
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4
Cancer-Associated SF3B1 Hotspot Mutations Induce Cryptic 3′ Splice Site Selection through Use of a Different Branch Point
Published in Cell reports (Cambridge) (03-11-2015)“…Recurrent mutations in the spliceosome are observed in several human cancers, but their functional and therapeutic significance remains elusive. SF3B1, the…”
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5
Light-Induced Histidine Adducts to an IgG1 Molecule Via Oxidized Histidine Residue and the Potential Impact of Polysorbate-20 Concentration
Published in Pharmaceutical research (01-03-2021)“…Purpose Histidine (His) undergoes light-induced reactions such as oxidation, crosslinking and addition. These reactions are initiated by singlet oxygen ( 1 O 2…”
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Effect of individual Fc methionine oxidation on FcRn binding: Met252 oxidation impairs FcRn binding more profoundly than Met428 oxidation
Published in Journal of pharmaceutical sciences (01-02-2015)“…The long serum half-lives of mAbs are conferred by pH-dependent binding of IgG-Fc to the neonatal Fc receptor (FcRn). The Fc region of human IgG1 has three…”
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Effect of ambient light on IgG1 monoclonal antibodies during drug product processing and development
Published in European journal of pharmaceutics and biopharmaceutics (01-03-2016)“…[Display omitted] Photostability studies are standard stress testing conducted during drug product development of various pharmaceutical compounds, including…”
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Methionine, tryptophan, and histidine oxidation in a model protein, PTH: mechanisms and stabilization
Published in Journal of pharmaceutical sciences (01-12-2009)“…Recent oxidation events on monoclonal antibody candidates prompted us to investigate the mechanism of oxidation of Met, Trp, and His residues and to search for…”
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An Efficient and Rapid Method to Monitor the Oxidative Degradation of Protein Pharmaceuticals: Probing Tyrosine Oxidation with Fluorogenic Derivatization
Published in Pharmaceutical research (01-07-2017)“…Purpose The loss of potency of protein therapeutics can be linked to the oxidation of specific amino acid residues leading to a great variety of oxidative…”
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Photo-oxidation of IgG1 and Model Peptides: Detection and Analysis of Triply Oxidized His and Trp Side Chain Cleavage Products
Published in Pharmaceutical research (01-01-2017)“…Purpose Triply oxidized histidine in an IgG1 monoclonal antibody was noticed when exposed to ICH light conditions. In order to understand the role of light…”
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11
Monoclonal Antibody Aggregation Associated with Free Radical Induced Oxidation
Published in International journal of molecular sciences (12-04-2021)“…Oxidation is an important degradation pathway of protein drugs. The susceptibility to oxidation is a common concern for therapeutic proteins as it may impact…”
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12
Analysis of 2,2'-azobis (2-amidinopropane) dihydrochloride degradation and hydrolysis in aqueous solutions
Published in Journal of pharmaceutical sciences (01-08-2011)“…2,2'-Azobis(2-amidinopropane) dihydrochloride (AAPH), a free radical-generating azo compound, is gaining prominence as a model oxidant in small molecule and…”
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13
Effect of ionic strength and pH on the physical and chemical stability of a monoclonal antibody antigen-binding fragment
Published in Journal of pharmaceutical sciences (01-08-2013)“…Monoclonal antibody (mAb) fragments are emerging as promising alternatives to full-length mAbs as protein therapeutic candidates. Antigen-binding fragments…”
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14
Peroxide formation in polysorbate 80 and protein stability
Published in Journal of pharmaceutical sciences (01-10-2002)“…Nonionic surfactants are widely used in the development of protein pharmaceuticals. However, the low level of residual peroxides in surfactants can potentially…”
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15
Diagnosability and Description of a New Subspecies of Indo-Pacific Humpback Dolphin, Sousa Chinensis (Osbeck, 1765), from the Taiwan Strait
Published in Zoological Studies (24-04-2015)“…Background Subspecies recognition can affect how people (scientists and non-scientists alike) view organisms and thus has important implications for research…”
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Isomerization of Asp-Asp motif in model peptides and a monoclonal antibody Fab fragment
Published in Journal of pharmaceutical sciences (01-03-2013)“…Isomerization of aspartyl (Asp or D) residues is a critical degradation route to consider for stable monoclonal antibody formulations. Among the known hotspot…”
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Polar solvents decrease the viscosity of high concentration IgG1 solutions through hydrophobic solvation and interaction: formulation and biocompatibility considerations
Published in Journal of pharmaceutical sciences (01-04-2013)“…Low-volume protein dosage forms for subcutaneous injection pose unique challenges to the pharmaceutical scientist. Indeed, high protein concentrations are…”
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Aspartate Isomerization in the Complementarity-Determining Regions of Two Closely Related Monoclonal Antibodies
Published in Biochemistry (Easton) (13-02-2007)“…The aspartic acid residues (Asp) present in the complementarity-determining regions (CDRs) of the light chains of two recombinant monoclonal antibodies (MAbs),…”
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The relative rate of immunoglobulin gamma 1 fragmentation
Published in Journal of pharmaceutical sciences (01-04-2011)“…The physicochemical stability of protein therapeutics is of significant pharmaceutical interest. Immunoglobulin gamma (IgG) hinge region fragmentation has…”
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Vibrational spectroscopy and chemometrics to characterize and quantitate trehalose crystallization
Published in Analytical biochemistry (01-04-2010)“…Investigating the phase behavior of sugars in ice and lyophilized solids is of significant interest in the pharmaceutical industry. In this study, Raman and…”
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