Evidence map›Paper›PMID 25387350›Full record

ArticleMolecules (Basel, Switzerland)2014

Amino acid derivatives of ligustrazine-oleanolic acid as new cytotoxic agents.

Fuhao Chu, Xin Xu, Guoliang Li, Shun Gu, Kuo Xu, Yan Gong, Bing Xu, Mina Wang, Huazheng Zhang, Yuzhong Zhang and 2 more

Open access · goldAbstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.9field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 38 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 2 institutions in 1 country.

Fuhao ChuSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. chufhao@163.com.
Xin XuSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. xu.xin@vip.126.com.
Guoliang LiSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. liguoliangsx@163.com.
Shun GuKey Laboratory for Neurodegenerative Diseases of Ministry of Education, Xuanwu Hospital of Capital Medical University, Beijing 100053, China. gszy2003@163.com.
Kuo XuSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. xukuoworld@126.com.
Yan GongSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. gongyan90@163.com.
Bing XuSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. weichenxubing@126.com.
Mina WangSchool of Basic Medicine, Beijing University of Chinese Medicine, Beijing 100029, China. wangmina2013@126.com.
Huazheng ZhangSchool of Basic Medicine, Beijing University of Chinese Medicine, Beijing 100029, China. zhanghuazheng1109@163.com.
Yuzhong ZhangSchool of Basic Medicine, Beijing University of Chinese Medicine, Beijing 100029, China. zyz100102@126.com.
Penglong WangSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. wpl581@126.com.
Haimin LeiSchool of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China. hm_lei@126.com.
Beijing University of Chinese Medicine · CNCapital Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A series of novel ligustrazine-oleanolic acid (TOA) derivatives were designed, and synthesized by conjugating amino acids to the 3-hydroxy group of TOA by ester bonds. Their cytotoxicity was evaluated on four cancer cell lines (HepG2, HT-29, Hela and BGC-823) by standard MTT assays. The ClogP values were calculated by means of computer simulation, and logP values of both 3β-glycine ester olean-12-en-28-oic acid-3,5,6-trimethylpyrazin-2-methyl ester (6a) and TOA were determined using a shake flask-ultraviolet spectrophotometry method. It was found that 6a and the 3β-L-lysine ester-6g not only displayed good cytotoxicity (IC50<3.5 μM) but also possessed better hydrophilicity than TOA. Moreover, 6a (IC50=4.884 μM) had lower nephrotoxicity than both 6g (IC50=2.310 μM) and cisplatin (CDDP, IC50=3.691 μM) on MDCK cells. Combining Giemsa and DAPI staining, it was further verified that 6a could induce HepG2 apoptosis via nuclei fragmentation and had lower nephrotoxicity. In addition, the structure-activity relationships of these derivatives are briefly discussed.

Indexed as

Antineoplastic AgentsCytotoxinsOleanolic AcidPyrazinesApoptosisHeLa CellsHep G2 CellsHumansNeoplasmsStructure-Activity RelationshipVasodilator AgentsAntineoplastic AgentsCytotoxinsOleanolic AcidPyrazinestetramethylpyrazineVasodilator Agents

Identifiers

PMID25387350
PMCPMC6271079
OpenAlexW1966322089

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.