Evidence map›Paper›PMID 36079647›Full record

ArticlePlants (Basel, Switzerland)2022

Cytotoxic Activities and the Allantoinase Inhibitory Effect of the Leaf Extract of the Carnivorous Pitcher Plant

En-Shyh Lin, Cheng-Yang Huang

Open access · goldAbstract read
In one paragraph

Article in Plants (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.7field-weighted citation impact, top 10% 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

12 citing papers in PubMed, 13 citations in OpenAlex.

  1. Vernodalin andBiomedicines · 2026
    Article
  2. Bioactive Potential ofPlants (Basel, Switzerland) · 2025
    Article
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  4. Review
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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

2 authors at 2 institutions in 1 country.

En-Shyh LinDepartment of Beauty Science, National Taichung University of Science and Technology, Taichung City 403, Taiwan.ORCID 0000-0002-7010-4062
Cheng-Yang HuangDepartment of Biomedical Sciences, Chung Shan Medical University, Taichung City 402, Taiwan.
Chung Shan Medical University Hospital · TWNational Taichung University of Science and Technology · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nepenthes are carnivorous pitcher plants that have several ethnobotanical uses, such as curing stomachache and fever. Here, we prepared different extracts from the stem, leaf, and pitcher of Nepenthes miranda to further investigate their pharmacological potential. The leaf extract of N. miranda obtained by 100% acetone (N. miranda-leaf-acetone) was used in this study to analyze the cytotoxic activities, antioxidation capacity, antibacterial activity, and allantoinase (ALLase) inhibitory effect of this plant. The cytotoxic effects of N. miranda-leaf-acetone on the survival, apoptosis, and migration of the cancer cell lines PC-9 pulmonary adenocarcinoma, B16F10 melanoma, and 4T1 mammary carcinoma cells were demonstrated. Based on collective data, the cytotoxic activities of N. miranda-leaf-acetone followed the order: B16F10 > 4T1 > PC-9 cells. In addition, the cytotoxic activities of N. miranda-leaf-acetone were synergistically enhanced when co-acting with the clinical anticancer drug 5-fluorouracil. N. miranda-leaf-acetone could also inhibit the activity of ALLase, a key enzyme in the catabolism pathway for purine degradation. Through gas chromatography−mass spectrometry, the 16 most abundant ingredients in N. miranda-leaf-acetone were identified. The top six compounds in N. miranda-leaf-acetone, namely, plumbagin, lupenone, palmitic acid, stigmast-5-en-3-ol, neophytadiene, and citraconic anhydride, were docked to ALLase, and their docking scores were compared. The docking results suggested plumbagin and stigmast-5-en-3-ol as potential inhibitors of ALLase. Overall, these results may indicate the pharmacological potential of N. miranda for further medical applications.

Indexed as

4T1 mammary carcinomaallantoinaseantibacterialanticancerantioxidationB16F10 melanomadihydroorotaseNepenthes mirandaPC-9 pulmonary adenocarcinoma

Identifiers

PMID36079647
PMCPMC9460348
OpenAlexW4294293987

What OpenQuestion holds

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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.