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| 2. |
- Stålberg, Peter, et al.
(författare)
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Suppression of the neoplastic phenotype by transfection of phospholipase C3 to neuroendocrine tumor cells
- 1999
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Ingår i: FEBS Letters. - 0014-5793 .- 1873-3468. ; 450:3, s. 210-216
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Tidskriftsartikel (refereegranskat)abstract
- The expression of phospholipase C beta 3 (PLCB3) is low or absent in several neuroendocrine neoplasias. To investigate the role of PLCB3 in the neuroendocrine tumorigenesis, we transfected a PLCB3 construct to three neuroendocrine tumor cell lines with a low PLCB3 expression. The growth rate and tumorigenicity were assessed in vitro by [3H]thymidine incorporation and cell counting, in vivo, by xenografting to nude mice. In vitro, PLCB3 expressing clones showed a significant growth inhibition. The tumor weight was reduced for one of the two xenografted PLCB3-transfected cell lines and in both, a reduced number of proliferating (Ki-67 positive) cells was observed. This study implies an essential role for PLCB3 in the neuroendocrine tumorigenesis.
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| 3. |
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| 4. |
- Wang, Shu, et al.
(författare)
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Targeted disruption of the mouse phospholipase C β3 gene results in early embryonic lethality
- 1998
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Ingår i: FEBS Letters. - 0014-5793 .- 1873-3468. ; 441:2, s. 261-265
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In order to investigate the biological function of phosphatidylinositol-specific phospholipase C (PLC) we generated mutant mice by gene targeting. Homozygous inactivation of PLCbeta3 is lethal at embryonic day 2.5. These mutants show poor embryonic organization as well as reduced numbers of cells. Identical phenotypes were recorded in homozygous mutants generated from two independently targeted embryonic stem cell clones. Heterozygous mutant mice, however, are viable and fertile for at least two generations. We also showed that mouse PLCbeta3 is expressed in unfertilized eggs, 3-cell and egg cylinder stages of embryos. In conclusion, these results indicate that PLCbeta3 expression is essential for early mouse embryonic development.
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| 5. |
- Wang, She, et al.
(författare)
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Targeted disruption of the mouse PLC b3 gene results in defective preimplantation and tumor predisposition
- 1998
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Ingår i: FEBS Letters. - 0014-5793 .- 1873-3468. ; 441:2, s. 261-265
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Tidskriftsartikel (refereegranskat)abstract
- In order to investigate the biological function of phosphatidylinositol-specific phospholipase C (PLC) we generated mutant mice by gene targeting. Homozygous inactivation of PLCβ3 is lethal at embryonic day 2.5. These mutants show poor embryonic organization as well as reduced numbers of cells. Identical phenotypes were recorded in homozygous mutants generated from two independently targeted embryonic stem cell clones. Heterozygous mutant mice, however, are viable and fertile for at least two generations. We also showed that mouse PLCβ3 is expressed in unfertilized eggs, 3-cell and egg cylinder stages of embryos. In conclusion, these results indicate that PLCβ3 expression is essential for early mouse embryonic development.
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