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  • Published Date
Displaying 26 - 34 of 34

Measurement and Standardization Challenges for Exosome-Based Delivery Vectors

September 3, 2020
Author(s)
Bryant Nelson, Hao-Wei Wang, Samantha Maragh, Paul DeRose, Elzafir B. Elsheikh, Wyatt Vreeland, Ionita Ghiran, Jennifer Jones
Extracellular vesicles (EVs), and in particular exosomes, have the potential to revolutionize the development and efficient delivery of clinical therapeutics. In this Perspective, we focus on providing a brief introduction to the landscape of exosome-based

Improving patient outcomes with regenerative medicine: How to move the needle forward in cell manufacturing, standards, 3D bioprinting, AI enabled automation, education and training

June 17, 2020
Author(s)
Carl Simon, Josh Hunsberger, Claudia Zylberberg, Preveen Ramamoorthy, Thomas Tubon, Crystal Ruff, Ram Bedi, Kurt Gielen, Lynn Fisher, Jed Johnson, Priya Barankiak, Behzad Mahdavi, Michael Hadjisavas, Shannon Eaker, Cameron Miller
Regenerative Medicine Manufacturing Society (RMMS), is the first and only professional society dedicated specifically towards advancing manufacturing solutions for the field of regenerative medicine. RMMS' vision is to provide greater patient access to

A Single Amino Acid Substitution Alters ClpS Binding Specificity

March 27, 2020
Author(s)
Christina Bergonzo, Jennifer A. Tullman, Kunal Dharmadhikari, Emily Samuels, Makenzie Christensen
ClpS is a small protein currently under development as a probe for detecting specific N-terminal amino acids of peptides. In order for ClpS to be used in this manner, it is important to understand the structural reasons for how and why ClpS recognizes

HIV-1 gp120-CD4-Induced Antibody Complex Elicits CD4 Binding Site-Specific Antibody Response in Mice

February 17, 2020
Author(s)
Andrey Galkin, Yajing Chen, Sijy O'Dell, Roderico Acevedo, James Steinhardt, Yimeng Wang, Richard Wilson, Chi-I Chiang, Alexander Grishaev, John Mascola, Yuxing Li
Elicitation of broadly neutralizing Ab (bNAb) responses toward the conserved HIV-1 envelope (Env) CD4 binding site (CD4bs) by vaccination is an important goal for vaccine development and yet to be achieved. The outcome of previous immunogenicity studies

Strategies for Development of a Next-Generation Protein Sequencing Platform

January 1, 2020
Author(s)
Nicholas Callahan, Jennifer A. Tullman, John Marino, Zvi Kelman
Proteomic analysis can be a critical bottleneck in cellular characterization. The current paradigm relies primarily on mass spectrometry of peptides and affinity reagents (i.e. antibodies), both of which require a priori knowledge of the sample. A non

Characterization of the internal translation initiation region in monoclonal antibodies expressed in Escherichia coli

October 11, 2019
Author(s)
Erik M. Leith, William Brad O'Dell, Na Ke, Colleen McClung, Mehmet Berkmen, Christina Bergonzo, Robert G. Brinson, Zvi Kelman
Monoclonal antibodies (mAbs) represent an important platform for the development of biotherapeutic products. While most mAbs are produced in mammalian cells, there are several examples of mAbs made in Escherichia coli, including therapeutic fragments. When

Pumpless Microfluidic Devices for Generating Healthy and Diseased Endothelia

September 27, 2019
Author(s)
Yang Yang, Parinaz Fathi, Glenn Holland, Dipanjan Pan, Nam Wang, Mandy Esch
We have developed a pumpless cell culture platform that can recirculate small amounts of cell culture medium (400 µL) in a unidirectional or bidirectional flow pattern. The device produces an average wall shear stress of up to 0.587 Pa ± 0.006 Pa without

Platform development for expression and purification of stable isotope labeled monoclonal antibodies in Escherichia coli

October 1, 2018
Author(s)
Robert Brinson, James T. Hoopes, Colleen McClung, Na Ke, Lila Kashi, Mehmet Berkmen, Zvi Kelman, Prasad T. Reddy
Proteins labeled with stable isotopes play an important role in structural and biophysical studies including nuclear magnetic resonance, small angle neutron scattering, neutron reflectometry, quantitative mass spec and more. The most common and cost
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