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Evaluation of the T...
Evaluation of the Therapeutic Potential of a HER3-Binding Affibody Construct TAM-HER3 in Comparison with a Monoclonal Antibody, Seribantumab
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- Orlova, Anna, 1960- (författare)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Theranostics
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- Bass, Tarek (författare)
- KTH,Proteinvetenskap,KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Dept Prot Sci, SE-10691 Stockholm, Sweden
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- Rinne, Sara S. (författare)
- Uppsala universitet,Theranostics,KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Dept Prot Sci, SE-10691 Stockholm, Sweden
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- Leitao, Charles Dahlsson (författare)
- KTH,Proteinvetenskap,KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Dept Prot Sci, SE-10691 Stockholm, Sweden
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- Rosestedt, Maria (författare)
- Uppsala universitet,Theranostics
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- Atterby, Christina (författare)
- Uppsala universitet,Medicinsk strålningsvetenskap
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- Gudmundsdotter, Lindvi (författare)
- Affibody AB, Solna, Sweden.
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- Frejd, Fredrik Y. (författare)
- Uppsala universitet,Medicinsk strålningsvetenskap,Affibody AB, Solna, Sweden
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- Löfblom, John (författare)
- KTH,Proteinvetenskap,KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Dept Prot Sci, SE-10691 Stockholm, Sweden
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- Tolmachev, Vladimir (författare)
- Uppsala universitet,Medicinsk strålningsvetenskap
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- Ståhl, Stefan (författare)
- KTH,Proteinvetenskap
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(creator_code:org_t)
- 2018-07-11
- 2018
- Engelska.
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Ingår i: Molecular Pharmaceutics. - : AMER CHEMICAL SOC. - 1543-8384 .- 1543-8392. ; 15:8, s. 3394-3403
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Human epidermal growth factor receptor type 3 (HER3) is recognized to be involved in resistance to HER targeting therapies. A number of HER3-targeting monoclonal antibodies are under clinical investigation as potential cancer therapeutics. Smaller high-affinity scaffold proteins are attractive non-Fc containing alternatives to antibodies. A previous study indicated that anti-HER3 affibody molecules could delay the growth of xenografted HER3-positive tumors. Here, we designed a second-generation HER3-targeting construct (TAM-HER3), containing two HER3-specific affibody molecules bridged by an albumin-binding domain (ABD) for extension of blood circulation. Receptor blocking activity was demonstrated in vitro. In mice bearing BxPC-3 xenografts, the therapeutic efficacy of TAM-HER3 was compared to the HER3-specific monoclonal antibody seribantumab (MM-121). TAM-HER3 inhibited heregulin-induced phosphorylation in a panel of HER3-expressing cancer cells and was found to be equally as potent as seribantumab in terms of therapeutic efficacy in vivo and with a similar safety profile. Median survival times were 60 days for TAM-HER3, 54 days for seribantumab, and 41 days for the control group. No pathological changes were observed in cytopathological examination. The multimeric HER3-binding affibody molecule in fusion to ABD seems promising for further evaluation as candidate therapeutics for treatment of HER3-overexpressing tumors.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- affibody molecule
- HER3
- targeting therapy
- preclinical
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Orlova, Anna, 19 ...
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Bass, Tarek
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Rinne, Sara S.
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Leitao, Charles ...
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Rosestedt, Maria
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Atterby, Christi ...
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Gudmundsdotter, ...
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Frejd, Fredrik Y ...
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Löfblom, John
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Tolmachev, Vladi ...
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Ståhl, Stefan
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Molecular Pharma ...
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