The University of California, Davis, has reached a licensing    agreement with Regenerative Arthritis and Bone Medicine    (RABOME) for a class of drugs developed at the university that    hold potential for treating diseases associated with bone loss    and inflammatory arthritis.  
      From Left: Fred Tileston (RABOME), Ruiwu Liu, Nancy Lane,      Christy Pifer, Wei Yao, Kit Lam (UC Davis Health), and Jiwei      Chen (RABOME).    
    The license, negotiated by the InnovationAccess    team within the UC Davis Office of Research, provides the    university-affiliated startup with rights to four families of    patents and patent applications related to the novel    composition of a hybrid molecule, known as LLP2A-alendronate,    which has been found to effectively direct mesenchymal stem    cells (MSCs) to induce bone regeneration in animal models. The    compound works by guiding transplanted and endogenous MSCs to    the surface of the bone where they differentiate into    bone-forming cells, thereby increasing bone mass and strength.    These cells are also immune-modulating, which helps to reduce    inflammation at target sites.  
    The use of stem cells as therapeutic agents is a growing field,    but directing stem cells to travel and adhere to the surface of    bone for bone formation has been an elusive goal in    regenerative medicine.  
    There are many stem cells, even in elderly people, but they do    not readily migrate to bone, said Wei Yao, co-inventor and    associate professor of internal medicine at UC Davis. Finding    a molecule that attaches to stem cells and guides them to the    targets we need provides a real breakthrough.  
    Translating discovery into societal and commercial    impact  
    Late last year, RABOME received approval from the U.S. Food and    Drug Administration to begin phase I clinical trials to    evaluate the safety of the drug in humans. The study sites are    currently screening patients for enrollment.  
    We are pursuing several indications for use, but our initial    focus is in developing a treatment for osteonecrosis, a disease    caused by reduced blood flow to bones, says Fred Tileston,    president and chief executive officer RABOME, which is a    California-based company. As many as 20,000 people per year in    the United States develop osteonecrosis.  
    RABOME also plans to pursue other indications for use including    fracture healing, osteoporosis and inflammatory arthritis.  
    We are pleased that this very promising technology is being    shepherded by Mr. Tileston, who is an experienced business    leader and entrepreneur, said Dushyant Pathak, associate vice    chancellor for Technology    Management and Corporate Relations at UC Davis. It is    exciting to see the teams progress in translating the    discovery into commercial and societal impact.  
    Breaking barriers through cross-discipline    collaboration  
    The development of the novel therapy is the result of a    successful research collaboration between two teams at UC    Davis: a group of experts on bone health, led by     Nancy Lane and Wei Yao from the UC Davis Center for    Musculoskeletal Health, and a synergistic group of medicinal    chemists led by Kit Lam and Ruiwu Liu from the Department of    Biochemistry and Molecular Medicine.  
    This research was a collaboration of stem cell biologists,    biochemists, translational scientists, a bone biologist and    clinicians, said Lane, endowed professor of medicine,    rheumatology and aging research, anda principal    investigator. It was a truly fruitful team effort with    remarkable results.  
    Lane received a Disease Team Therapy Development     research grant in 2012 from the California Institute for    Regenerative Medicine (CIRM) which, along with federal grants    from the National Institutes of Health, supported the    preclinical research. CIRM was established in 2004 via    California Proposition 71 to fund stem cell research in attempt    to accelerate and improve treatments for patients where current    needs are unmet.  
    Conflict of interest disclosure  
    Because Tileston and Lane are married, UC Davis conducted a    conflict of interest review of its licensing agreement with    RABOME. The university determined that it did not rise to the    level of a financial conflict of interest under NIH rules,    which require a finding of a direct and significant impact.  
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UC Davis licenses novel compound that helps stem cells regenerate bone - HealthCanal.com (press release) (blog)