Fas preassociation required for apoptosis signaling and dominant inhibition by pathogenic mutations

RM Siegel, JK Frederiksen, DA Zacharias, FKM Chan… - Science, 2000 - science.org
Heterozygous mutations encoding abnormal forms of the death receptor Fas dominantly
interfere with Fas-induced lymphocyte apoptosis in human autoimmune lymphoproliferative …

Synthesis, properties, and applications of oligonucleotides containing an RNA dinucleotide phosphorothiolate linkage

NS Li, JK Frederiksen, JA Piccirilli - Accounts of chemical …, 2011 - ACS Publications
RNA represents a prominent class of biomolecules. Present in all living systems, RNA plays
many essential roles in gene expression, regulation, and development. Accordingly, many …

Systematic review of the effectiveness of fine-needle aspiration and/or core needle biopsy for subclassifying lymphoma

JK Frederiksen, M Sharma… - … of Pathology and …, 2015 - meridian.allenpress.com
Context The World Health Organization system for lymphoma classification relies on histologic
findings from excisional biopsies. In contradistinction to expert guidelines, practitioners …

Synthetic antibodies for specific recognition and crystallization of structured RNA

JD Ye, V Tereshko, JK Frederiksen… - Proceedings of the …, 2008 - National Acad Sciences
Antibodies that bind protein antigens are indispensable in biochemical research and modern
medicine. However, knowledge of RNA-binding antibodies and their application in the ever…

Nucleobase-mediated general acid-base catalysis in the Varkud satellite ribozyme

TJ Wilson, NS Li, J Lu, JK Frederiksen… - Proceedings of the …, 2010 - National Acad Sciences
Existing evidence suggests that the Varkud satellite (VS) ribozyme accelerates the cleavage
of a specific phosphodiester bond using general acid-base catalysis. The key functionalities …

Separation of RNA phosphorothioate oligonucleotides by HPLC

JK Frederiksen, JA Piccirilli - Methods in enzymology, 2009 - Elsevier
Phosphorothioate oligonucleotides are indispensable tools for probing nucleic acid structure
and function and for the design of antisense therapeutics. Many applications involving …

Identification of catalytic metal ion ligands in ribozymes

JK Frederiksen, JA Piccirilli - Methods, 2009 - Elsevier
Site-bound metal ions participate in the catalytic mechanisms of many ribozymes.
Understanding these mechanisms therefore requires knowledge of the specific ligands on both …

Metal-ion rescue revisited: biochemical detection of site-bound metal ions important for RNA folding

JK Frederiksen, NS Li, R Das, D Herschlag, JA Piccirilli - Rna, 2012 - rnajournal.cshlp.org
Within the three-dimensional architectures of RNA molecules, divalent metal ions populate
specific locations, shedding their water molecules to form chelates. These interactions help …

Efficient Synthesis of [2'-18O]Uridine and Its Incorporation into Oligonucleotides:  A New Tool for Mechanistic Study of Nucleotidyl Transfer Reactions by Isotope …

Q Dai, JK Frederiksen, VE Anderson… - The Journal of …, 2008 - ACS Publications
Lack of sufficient quantities of isotopically labeled materials has precluded the use of heavy
atom isotope effects to investigate mechanisms of nucleotidyl transfer reactions in nucleic …

A general and efficient approach for the construction of RNA oligonucleotides containing a 5′-phosphorothiolate linkage

NS Li, JK Frederiksen, SC Koo, J Lu… - Nucleic acids …, 2011 - academic.oup.com
Oligoribonucleotides containing a 5′-phosphorothiolate linkage have provided effective
tools to study the mechanisms of RNA catalysis, allowing resolution of kinetic ambiguity …