PROBLEM TO BE SOLVED: To provide a targeting agent to a cell selected from a cancer cell and a cancer-associated fibroblast (CAF), a substance-delivering carrier for the cell containing the targeting agent, and an anticancer composition and an anti-CAF composition using the targeting agent or the carrier, and a method for treating cancer.SOLUTION: There are provided a targeting agent to a cell selected from a cancer cell and a cancer-associated fibroblast in which retinoid contains retinol, a substance-delivering carrier for the cell which contains the targeting agent, an anticancer composition and anti cancer-associated fibroblast composition using the targeting agent or the carrier, and a cancer treatment method.SELECTED DRAWING: None【課題】がん細胞及び癌随伴線維芽細胞（ＣＡＦ）から選択される細胞への標的化剤、該標的化剤を含む上記細胞用の物質送達担体、並びにこれを利用した抗がん組成物、抗ＣＡＦ組成物及びがんを処置するための方法の提供。【解決手段】レチノイドがレチノールを含む、がん細胞及び癌随伴線維芽細胞から選択される細胞への標的化剤、同標的化剤を含む前記細胞用の物質送達担体、同標的化剤または担体を利用した抗がん組成物および抗癌随伴線維芽細胞組成物、ならびにがん処置法。【選択図】なし
