Medicinal Plants in Commerce
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA515225 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10898000_1.fastq.gz | Fastqsanger.gz | |||
| SRR10898000_2.fastq.gz | Fastqsanger.gz | |||
| SRR10898001_1.fastq.gz | Fastqsanger.gz | |||
| SRR10898001_2.fastq.gz | Fastqsanger.gz | |||
| SRR10898002_1.fastq.gz | Fastqsanger.gz |
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Project description:Plants have been used for medical purposes since the beginning of human history and are the basis of modern medicine. Most chemotherapeutic drugs for cancer treatment are molecules identified and isolated from plants or their synthetic derivatives. Our hypothesis was that whole plant extracts selected according to ethnobotanical sources of historical use might contain multiple molecules with antitumor activities that could be very effective in killing human cancer cells. This study examined the effects of three whole plant extracts (ethanol extraction) on human tumor cells. The extracts were from Urtica membranacea (Urticaceae), Artemesia monosperma (Asteraceae), and Origanum dayi post (Labiatae). All three plant extracts exhibited dose- and time-dependent killing capabilities in various human derived tumor cell lines and primary cultures established from patients' biopsies. The killing activity was specific toward tumor cells, as the plant extracts had no effect on primary cultures of healthy human cells. Cell death caused by the whole plant extracts is via apoptosis. Plant extract 5 (Urtica membranacea) showed particularly strong anticancer capabilities since it inhibited actual tumor progression in a breast adenocarcinoma mouse model. Our results suggest that whole plant extracts are promising anticancer reagents.
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Project description:Traditional knowledge (TK) of medicinal plants in cities has been poorly studied across different inhabitants' socioeconomic sectors. We studied the small city of Chachapoyas (~34,000 inhabitants) in the northern Peruvian Andes. We divided the city into three areas according to the socio-economic characteristics of its inhabitants: city center (high), intermediate area (medium), and city periphery (low). We gathered information with 450 participants through semi-structured interviews. Participants of the city periphery showed a higher TK of medicinal plants than participants of the intermediate area, and the latter showed a higher TK than participants of the city center. The acquisition of medicinal plants was mainly through their purchase in markets across the three areas, although it was particularly relevant in the city center (94%). Participants of all socioeconomic levels widely used the same medicinal plants for similar purposes in Chachapoyas, which is likely based on a common Andean culture that unites their TK. However, participants with the lowest socioeconomic level knew and used more plants for different medicinal uses, indicating the necessity of these plants for their livelihoods. City markets with specialized stores that commercialize medicinal plants are key to preserve the good health of poor and rich people living in Andean cities and societies.
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Project description:Native plants were sampled from nine Atlantic rainforest locations in Brazil for botanical identification, herbarium mounts and chemical analyses. Plants were marked and the coordinate reference determined by Global Positioning System (GPS). Botanical names are as presented in the list of species of Brazilian flora (Lista de Espécies da Flora do Brasil, Jardim Botânico do Rio de Janeiro, 2015). Voucher specimens were deposited at the Herbarium of Instituto Agronômico de Campinas (IAC) (http://herbario.iac.sp.gov.br/), under the given accession numbers (Table 1). Marked plants were resampled in two subsequent years and those failing to be located or in poor condition were excluded from analyses. Environmental data were obtained from meteorological stations at the locations. Monthly values were used to calculate the average seasonal data.
2017-05-14 | ST000606 | MetabolomicsWorkbench