Characterization of Cell Lines Stably Expressing Human Normal or Mutated EGFP-Tagged MC4R

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概要

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• The melanocortin receptor type 4 (MC4-R) is involved in food intake and represents a potential target for the treatment of some forms of obesity. The fluorescent protein EGFP was fused to the wild-type or mutated coding sequence of the human MC4-R. After transfection in HEK 293, clones stably expressing hMC4-R-EGFP were selected. Wild-type chimeric hMC4-R was well addressed to the cell membrane as demonstrated using confocal microscopy and displayed the same pharmacological characteristics as native hMC4R. NDP-αMSH induced a time-dependent internalization of MC4-R that was partially prevented by AgRP. The two mutated chimeric receptors studied here (CTCT deleted and C271A) showed a high alteration of their response to ligand and were retained inside the cells. In conclusion, we have developed a model of clones stably expressing EGFP-tagged-hMC4-R. This is the only such model available to date and it provides a useful tool to follow the trafficking of MC4-R inside living cells.

• 社団法人 日本生化学会の論文

著者

• Durand Philippe

  Inserm U418-inra Umr 1245 And Ifr 62 Hopital Debrousse And Claude Bernard University

• Begeot Martine

  Inserm U418-inra Umr 1245 And Ifr 62 Hopital Debrousse And Claude Bernard University

• Naville Danielle

  Inserm U418-inra Umr 1245 And Ifr 62 Hopital Debrousse And Claude Bernard University

• Doghman Mabrouka

  Inserm U418-inra Umr 1245 And Ifr 62 Hopital Debrousse And Claude Bernard University

• Blondet Antonine

  Inserm U418-inra Umr 1245 And Ifr 62 Hopital Debrousse And Claude Bernard University

• Rached Mohamed

  INSERM U 418-INRA UMR 1245 and IFR 62, Hôpital Debrousse and Claude Bernard University

関連論文

• Characterization of Cell Lines Stably Expressing Human Normal or Mutated EGFP-Tagged MC4R
• Characterization of Cell Lines Stably Expressing Human Normal or Mutated EGFP-Tagged MC4R

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