Synthesis and characterization of a new retinoic acid ECPIRM as potential chemotherapeutic agent for human cutaneous squamous carcinoma

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)

Volume 16, 12 Issues, 2016

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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex

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Synthesis and characterization of a new retinoic acid ECPIRM as potential chemotherapeutic agent for human cutaneous squamous carcinoma

Anti-Cancer Agents in Medicinal Chemistry, 15(9): 1204-1212.

Author(s): Mengli Zhang, Yue Tao, Pengcheng Ma, Dechuan Wang, Chundi He, Yuping Cao, Jun Wei, Lingjun Li and Lei Tao.

Affiliation: Institute of Dermatology, Chinese Academy of Medical Sciences, Peking Union Medical College, 12 jiang-wang-miao street, Nanjing 210042, China.


Cutaneous squamous cell carcinoma (CSCC) is one of the most common cancers worldwide, requiring effective therapeutic interventions. Retinoids are important chemopreventive and therapeutic agents for a variety of human cancers including CSCC. In this study we synthesized a novel retinoic derivative N-(4-ethoxycarbonylphenyl) isoretinamide (ECPIRM) and evaluated its biological activities and possible mechanisms in human cutaneous squamous cell lines. ECPIRM had better inhibitory effect on the proliferation of squamous carcinoma cells SCL-1 and colo-16, compared with All-trans retinoic acid and 13-cis retinoic acid. ECPIRM had less toxicity to normal keratinocyte cell line HaCaT. Mechanistically, ECPIRM induced G1 cell cycle arrest in SCL-1 cells, via the downregulation of CDK2, CDK4, cycling D1 and cyclin E expression and upregulation of p21. In addition, these effects were at least partially due to the inhibition of JNK/ ERK-AP-1 signaling pathway by ECPIRM. Importantly, these effects of ECPIRM are independent of the classical retinoid receptor pathway, suggesting that the novel compound will have less side-effects in chemotherapy. These findings demonstrate that ECPIRM is a potential inhibitor of MPAK-AP-1 pathway, and is a potential therapeutic agent against CSCC.


AP-1, cell cycle arrest, cutaneous squamous cell carcinoma, ECPIRM, MAPK, N-(4-ethoxycarbonylphenyl) isoretinamide.

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Article Details

Volume: 15
Issue Number: 9
First Page: 1204
Last Page: 1212
Page Count: 9
DOI: 10.2174/1871520615666150520142719
Price: $58

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