後醫系二年級 張育瑋


•Introduction
研習學生: 101000008  後醫二 張育瑋

研習地點: Department of Biochemistry, Duke University 
                  Medical Center, USA

指導老師: Dr. Vann Bennett
                  Professor
                  Department of Biochemistry, Duke University
                  Medical Center, USA

研究題目: Stability of AnkyrinG by Beta-II Spectrin in
                  Mammalian Epithelial Cell


•Outline
1. Picture in Duke University and Dr. Bennett’s lab
2.
Lab Meeting Presentation I
3. Lab Meeting Presentation II
4. Journal Club Presentation
•Pictures: Duke University
•Pictures: Vann’s Lab
•Lab Meeting
•
•
•2013.8.27 Yu-Wei
•
•AnkG Level
•AnkG Level
•Beta II Spectrin Level
•Beta II - Spectrin Level
•Lab Meeting
•
•
•2013.9.4 Yu-Wei
•
•AnkG Level
•AnkG Level
•Beta II Spectrin Level
•Beta II - Spectrin Level
•B2 Expression Level
•B2 Expression Level
•Journal Club
•Bispecific antibodies directed to CD4 domain 2 and HIV envelope exhibit exceptional breadth and picomolar potency against HIV-1
•
Pace CS, Song R,
Ochsenbauer C, Andrews CD, Franco D, Yu J, Oren DA, Seaman MS, Ho DD.
•
Proc Natl Acad Sci U S A. 2013 Aug 13;110(33):13540-5.

 
•
• Presented by Yu-Wei Chang
•2013.8.23
•Bispecific Antibodies directed to CD4 Domain 2 and HIV Envelope
1. PG9, PG16
    a. anti-gp120
    b. neutralize ∼80% of HIV-1 strains

2.
iMab
     a. humanized anti-CD4
Ab ibalizumab
     b. established safety record and anti–HIV-1 activity in  
         clinical trials
   

•Schematic Structure of PG9-iMab

•Stability and Thermaostability

•Neutralization breadth and potency
of PG9-iMab and PG16-iMab
•IC50 of PG9-iMab and PG16-iMab
•Viral Coverage of PG9-iMab and PG16-iMab
•The mechanism behind the exceptional
breadth and potency of
BibNAbs
1.Merely to the synergism
●
2.bivalent binding PG9/ PG16 to two gp120 molecules
●
3. anchor the active anti-Env site on cell surface CD4
•PG9-ΔiMab
•Combination in different ratio of iMab to PG9
•PG9-PRO 140
•PG9-iMAb VS iMab-PG9
•Linker Length
•
•Modeling
•Prospective
1. Pharmacokinetics
2. Manufacturability
3. Immunogenicity
•

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