Publications by authors named "Gale Hansen"

Diabetic retinopathy (DR) is a leading cause of vision loss in working-age adults. Despite an established standard of care for advanced forms of DR, some patients continue to lose vision after treatment. This may be due to the development of diabetic macular ischemia (DMI), which has no approved treatment.

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VISTA (PD-1H) is an immune regulatory molecule considered part of the next wave of immuno-oncology targets. VISTA is an immunoglobulin (Ig) superfamily cell surface molecule mainly expressed on myeloid cells, and to some extent on NK cells and T cells. In previous preclinical studies, some VISTA-targeting antibodies provided immune inhibitory signals, while other antibodies triggered immune stimulatory signals.

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Biotherapeutic optimization, whether to improve general properties or to engineer specific attributes, is a time-consuming process with uncertain outcomes. Conversely, Consensus Protein Design has been shown to be a viable approach to enhance protein stability while retaining function. In adapting this method for a more limited number of protein sequences, we studied 21 consensus single-point variants from eight publicly available CD3 binding sequences with high similarity but diverse biophysical and pharmacological properties.

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Antibodies targeting the CD40-CD40L pathway have great potential for treating autoimmune diseases like rheumatoid arthritis, systemic lupus erythematosus (SLE), lupus nephritis (LN), and inflammatory bowel diseases (IBD). However, in addition to the known difficulty in generating a purely antagonistic CD40 antibody, the presence of CD40 and CD40L on platelets creates additional unique challenges for the safety, target coverage, and clearance of antibodies targeting this pathway. Previously described therapeutic antibodies targeting this pathway have various shortcomings, and the full therapeutic potential of this axis has yet to be realized.

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PAR-2 belongs to a family of G-protein coupled Protease-Activated Receptors (PAR) which are activated by specific proteolytic cleavage in the extracellular N-terminal region. PAR-2 is activated by proteases such as trypsin, tryptase, proteinase 3, factor VIIa, factor Xa and is thought to be a mediator of inflammation and tissue injury, where elevated levels of proteases are found. Utilizing the HuCAL GOLD® phage display library we generated fully human antibodies specifically blocking the protease cleavage site in the N-terminal domain.

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