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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국생체재료학회 생체재료학회지 생체재료학회지 제27권
- 발행연도
- 2023.3
- 수록면
- 2,168 - 2,180 (13page)
- DOI
- https://doi.org/10.1186/s40824-023-00420-8
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초록· 키워드
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BackgroundGlioblastoma is a highly malignant brain tumor associated with poor prognosis. Conventional therapeutic approaches have limitations due to their toxic effects on normal tissue and the development of tumor cell resistance. This study aimed to explore alternative mechanisms for glioblastoma treatment by targeting angiogenesis.
MethodsThe study investigated the anti-angiogenic properties of heparin in glioblastoma treatment. To overcome the limitations of heparin, a heparin-taurocholate conjugate (LHT7) was synthesized by conjugating heparin to taurocholic acid. The study utilized the U87MG human glioblastoma cell line and human umbilical vein endothelial cells (HUVEC) as experimental models. Cell viability assays and sprouting assays were performed to assess the effects of LHT7. Additionally, phosphorylation of angiogenesis-related proteins, such as phospho-ERK and phospho-VEGFR2, was measured. The anti-angiogenic effects of LHT7 were further evaluated using a glioblastoma orthotopic mouse model.
ResultsTreatment with LHT7 resulted in a dose-dependent reduction in cell viability in U87MG human glioblastoma cells. The sprouting of HUVEC cells was significantly decreased upon LHT7 treatment. Furthermore, LHT7 treatment led to a decrease in the phosphorylation of angiogenesis-related proteins, including phospho-ERK and phospho-VEGFR2. In the glioblastoma orthotopic mouse model, LHT7 exhibited anti-angiogenic effects, supporting its potential as a therapeutic agent.
ConclusionsThe conjugation of heparin and taurocholic acid to create LHT7 offers several advantages over conventional therapeutic approaches for glioblastoma. LHT7 demonstrated anti-angiogenic properties, as evidenced by the reduction in cell viability and inhibition of endothelial cell sprouting. Moreover, LHT7 modulated the phosphorylation of angiogenesis-related proteins. These findings suggest that LHT7 holds promise as a medication for glioblastoma treatment, offering potential implications for improving patient outcomes.
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