1.中药及天然药物研究所 / 中药现代化与创新药物研究国际合作联合实验室 / 暨南大学药学院,广东 广州 510632
2.广州药本君安医药科技股份有限公司,广东 广州 510663
3.暨南大学广东省中药药效物质基础及创新药物研究重点实验室,广东 广州 510632
4.暨南大学生物活性分子与成药性优化全国重点实验室,广东 广州 510632
张超(2000年生),男;研究方向:药物化学;E-mail:zc42311@stu2022.jnu.edu.cn
陈河如(1967年生),男;研究方向:药物化学;E-mail:thrchen@jnu.edu.cn
收稿:2025-01-13,
录用:2025-02-24,
网络出版:2025-03-24,
纸质出版:2025-07-25
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张超,刘璐洁,王婵茜等.新型1,2-二取代肼的FAPα酶靶向前药设计及赋予的抗癌作用特征[J].中山大学学报(自然科学版)(中英文),2025,64(04):69-78.
ZHANG Chao,LIU Lujie,WANG Chanxi,et al.FAPα targeting prodrug design of novel 1,2-disubstituted hydrazines and the endowed anti-cancer characteristic[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(04):69-78.
张超,刘璐洁,王婵茜等.新型1,2-二取代肼的FAPα酶靶向前药设计及赋予的抗癌作用特征[J].中山大学学报(自然科学版)(中英文),2025,64(04):69-78. DOI: 10.13471/j.cnki.acta.snus.ZR20250012.
ZHANG Chao,LIU Lujie,WANG Chanxi,et al.FAPα targeting prodrug design of novel 1,2-disubstituted hydrazines and the endowed anti-cancer characteristic[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(04):69-78. DOI: 10.13471/j.cnki.acta.snus.ZR20250012.
为探讨1,2-二取代肼的FAPα酶靶向前药及抗癌特征,通过在1,2-二取代肼的肼基上键合苄氧羰基甘氨酰脯氨酰基(Z-GP-),合成了2个新型1,2-二取代肼的FAPα酶靶向前药化合物,分别为2-苄氧羰基甘氨酰脯氨酰基-2-(4-甲氧基)苯基-1-(4-(N-异丙基)氨甲酰基)苄肼(
Z-GP-5a
)和2-苄氧羰基甘氨酰脯氨酰基-2-(6-甲氧基-2-)萘基-1-(4-(N-异丙基)氨甲酰基)苄肼(
Z-GP-5b
)。建立体外FAPα酶切模型,验证Z-GP-被酶切的可能性。利用NIH-3T3及非原代肿瘤细胞株C6、K1735、HepG-2、MDA-MB-231、B16验证其减毒特性。体外酶解实验证实,
Z-GP-5a
和
Z-GP-5b
能被FAPα酶解,释放出2-(4-甲氧基)苯基-1-(4-(N-异丙基)氨甲酰基)苄肼(
5a
)和2-(6-甲氧基-2-)萘基-1-(4-(N-异丙基)氨甲酰基)苄肼(
5b
),具有FAPα酶靶向性;同时,
Z-GP-5a
和
Z-GP-5b
对小鼠胚胎成纤维细胞NIH-3T3的细胞毒性相比于
5a
和
5b
有所
降低,初步验证其减毒效果。噻唑蓝法(MTT)检测发现,在孵育时间为48 h的情况下,
Z-GP-5a
和
Z-GP-5b
对C6、K1735、HepG-2、MDA-MB-231、B16五株常见非原代肿瘤细胞株均表现出比相应母药
5a
和
5b
低的细胞增殖抑制活性。与
5a
相比,
Z-GP-5a
对C6、K1735和B16细胞株的增殖抑制活性有所降低,其抑制活性分别降低1.23、2.06和2.38倍;对于HepG-2和MDA-MB-231细胞株而言,其增殖抑制活性分别降低9.95和15.0倍。另外,与
5b
相比,
Z-GP-5b
对C6、MDA-MB-231和B16细胞株的增殖抑制活性分别降低了6.50、6.14和13.0倍。缀合物
Z-GP-5a
和
Z-GP-5b
分别为
5a
和
5b
的FAPα酶靶向前药化合物,在细胞水平上达到一定的减毒增效效果。
The aim of this study is to investigate the FAPα targeting prodrugs and anti-cancer characteristic of 1,2-disubstituted hydrazines. By bonding carbobenzoxy glycylprolyl (Z-GP-) on the diazinyl of 1,2-disubstituted hydrazines, two FAPα targeting prodrugs of novel 1,2-disubstituted hydrazines,including 2-carbobenzoxy glycylprol-yl-2-(4-methoxy)phenyl-1-(4-(
N
-isopropyl)aminoformyl)benzyl hydrazine (
Z-GP-5a
) and 2-carbobenzoxy glycylprolyl-2-(6-methoxy-2-yl) naphth-1-(4-(N-isopropyl)aminoformyl)benzyl hydrazine (
Z-GP-5b
) have been designed and synthesized.
In vitro
enzymatic hydrolysis model was set up to verify the cleavage possibility of Z-GP group. Mouse embryonic cells (NIH-3T3) and five common non-primary tumor cell lines including rat glioma cells (C6), mouse melanoma cells (K1735), human liver cancer cells (HepG-2), human breast cancer cells (MDA-MB-231), and murine melanoma cells (B16) were applied to confirm the toxicity-attenuation of both prodrugs.
In vitro
enzymatic hydrolysis experiments showed that
Z-GP-5a
and
Z-GP-5b
can be cleaved by recombinant human resource FAPα enzyme, releasing 2-(4-methoxy)phenyl-1-(4-(N-isopropyl)aminoformyl)benzyl hydrazine (
5a
) and 2-(6-methoxy-2-yl)naphth-1-(4-(N-isopropyl) aminoformyl)benzyl hydrazine (
5b
), respectively. This evidence preliminarily indicates the FAPα
enzyme targeting characteristic of
Z-GP-5a
and
Z-GP-5b
. The cytotoxicity of
Z-GP-5a
and
Z-GP-5b
to NIH-3T3 showed less than that of
5a
and
5b
, respectively, implying the toxicity-attenuation of both prodrugs. By employing MTT assay, under the condition of 48-hour incubation,
Z-GP-5a
and
Z-GP-5b
were shown with less anti-cancer activity against five common non-primary tumor cell lines, which are C6, K1735, HepG-2, MDA-MB-231, and B16 than their respective parent compounds
5a
and
5b
. The anti-growth inhibition activity of
Z-GP-5a
to C6, K1735, and B16 was 1.23-, 2.06-, and 2.38-fold less than that of
5a
, respectively; while to HepG-2 and MDA-MB-231, it was 9.95-, and 15.0-fold decrease, respectively. On the other hand, the anti-growth inhibition activity of
Z-GP-5b
to C6, MDA-MB-231, and B16 was 6.50-, 6.14-, and 13.0-fold less than that of
5b
, respectively. All data support that
Z-GP-5a
and
Z-GP-5b
are the FAPα targeting prodrugs of their respective parent compounds
5a
and
5b
. It is expected to achieve the effect of reducing toxicity and increasing efficiency clinically.
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