Blood monocyte-derived macrophages (a class of phagocytic leukocytes) play a critical role in directing inflammation and foreign body reaction to biomaterials. However, the processes leading to macrophage adhesion and activation on materials are complex and not yet fully understood. Hence, our interest in macrophage interaction with material macrophage adhesion and activation. Second, we would like to exploit that knowledge in the design of materials and fundamental understanding of the interplay between macrophage-active proteins and receptors on the cell membranes must be obtained. Oligopeptides will be designed based on the known structural structure of modulating inflammation. These protein mimetic peptides will be utilized to probe the molecular mechanisms required for ligand-receptor recognition and the induction of cellular functions. In term, the bioactive peptides production. Heterofunctionalized polymeric materials will be developed and optimized to enhanced the physicochemical properties and bioavailability of macrophage-active oligopeptides in vitro and in vivo. This research plan offers a systematic method in the study of protein-receptor interaction and the development of material constructs designed to modulate the release of selected cytokines and growth factors produced by endogenous inflammatory cells. The controlled release of these bioactive factors may have therapeutic values in the fundamental processes of inflammation, biocompatibility, and tissue healing.

Agency
National Institute of Health (NIH)
Institute
National Institute of Biomedical Imaging and Bioengineering (NIBIB)
Type
Research Project (R01)
Project #
8R01EB000290-03
Application #
6499011
Study Section
Surgery and Bioengineering Study Section (SB)
Program Officer
Kelley, Christine A
Project Start
2000-02-01
Project End
2004-01-31
Budget Start
2002-02-01
Budget End
2003-01-31
Support Year
3
Fiscal Year
2002
Total Cost
$153,202
Indirect Cost
Name
University of Wisconsin Madison
Department
Pathology
Type
Schools of Veterinary Medicine
DUNS #
161202122
City
Madison
State
WI
Country
United States
Zip Code
53715
Schmidt, David; Joyce, Evan James; Kao, Weiyuan John (2011) Fetal bovine serum xenoproteins modulate human monocyte adhesion and protein release on biomaterials in vitro. Acta Biomater 7:515-25
Yang, Hu; Kao, Weiyuan John (2006) Thermoresponsive gelatin/monomethoxy poly(ethylene glycol)-poly(D,L-lactide) hydrogels: formulation, characterization, and antibacterial drug delivery. Pharm Res 23:205-14
Witte, Richard P; Kao, Weiyuan John (2005) Keratinocyte-fibroblast paracrine interaction: the effects of substrate and culture condition. Biomaterials 26:3673-82
Phillips, Jeffrey M; Kao, Weiyuan John (2005) Macrophage adhesion on gelatin-based interpenetrating networks grafted with PEGylated RGD. Tissue Eng 11:964-73
Chen, Xiuxu; Zuckerman, Sean T; Kao, Weiyuan John (2005) Intracellular protein phosphorylation in adherent U937 monocytes mediated by various culture conditions and fibronectin-derived surface ligands. Biomaterials 26:873-82
Toth, Megan; Williams, Kelly; Hayes, Shannon et al. (2005) Tensile creep properties of interpenetrating networks containing gelatin and poly(ethylene glycol) diacrylate. J Biomater Sci Polym Ed 16:925-32
Zilinski, Jodi L; Kao, Weiyuan John (2004) Tissue adhesiveness and host response of in situ photopolymerizable interpenetrating networks containing methylprednisolone acetate. J Biomed Mater Res A 68:392-400
Witte, Richard P; Blake, Alexander J; Palmer, Christine et al. (2004) Analysis of poly(ethylene glycol)-diacrylate macromer polymerization within a multicomponent semi-interpenetrating polymer network system. J Biomed Mater Res A 71:508-18
Shih, Helen A; Jiang, Steve B; Aljarrah, Khaled M et al. (2004) Internal target volume determined with expansion margins beyond composite gross tumor volume in three-dimensional conformal radiotherapy for lung cancer. Int J Radiat Oncol Biol Phys 60:613-22
Burmania, Jeanine A; Martinez-Diaz, Gabriel J; Kao, Weiyuan John (2003) Synthesis and physicochemical analysis of interpenetrating networks containing modified gelatin and poly(ethylene glycol) diacrylate. J Biomed Mater Res A 67:224-34

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