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1.
Rev. bras. farmacogn ; 26(6): 787-796, Nov.-Dec. 2016. tab, graf
Artículo en Inglés | LILACS | ID: biblio-829918

RESUMEN

ABSTRACT Celosia argentea L., Amaranthaceae, is widely used as traditional medicine with a long history in China. It is a unique source of Semen Celosiae whose contributions include purging the hepatic pathogenic fire, improving eyesight, and treating other eye diseases. Over 79 compounds from this plant were isolated and identified, mainly including saponins, peptides, phenols, fatty acids, and amino acids, of which saponins have been considered as the characteristic and active constituents of Celosia argentea. Experimental evidences manifested that Celosia argentea, with its active compounds, possesses wide-reaching biological activities such as hepatoprotection, tumor treatment, anti-diarrhea, anti-diabetes, anti-oxidant, anti-hypertension, and for treatment of a number of eye diseases. The objective of the study was to provide an overview of the ethno-pharmacology, chemical constituents, pharmacology, and related clinical applications of Celosia argentea, and to reveal their therapeutic potentials, and secure an evidence base for further research works on Celosia argentea.

2.
Rev. bras. farmacogn ; 26(5): 564-570, Sept.-Oct. 2016. tab, graf
Artículo en Inglés | LILACS | ID: lil-796137

RESUMEN

ABSTRACT Safflower (Carthamus tinctorius L., Asteraceae) is an important oil crop and medicinal plant. Gene expression analysis is gaining importance in the research of safflower. Quantitative PCR has become a powerful method for gene study. Reference genes are one of the major qualification requirements of qPCR because they can reduce the variability. To identify the reference genes in safflower, nine candidate genes of the housekeeping genes were selected from the EST library of safflower constructed by our lab: CtACT (actin), CtGAPDH (glyceraldehyde 3-phosphate dehydrogenase), CtE1F4A (elongation factor 1 alpha), CtTUA (alpha-tubulin), CtTUB (beta-tubulin), CtPP2A (serine/threonine-protein phosphatase), CtE1F4A (eukaryotic initiation factor 4A), CtUBI (Ubiquitin), and Ct60S (60S acidic ribosomal protein). Expression stability was examined by qPCR across 54 samples, representing tissues at different flowering stages and two chemotype of safflower lines. We assessed the expression stability of these candidate genes by employing four different algorithms (geNorm, NormFinder, ΔCt approach, and BestKeeper) and found that CtUBI and Ct60S were the highly ranked candidate genes. CtUBI and Ct60S were used as reference genes to evaluate the expression of CtFAD2-10 and CtKASII. Our data suggest CtUBI and Ct60S could be used as internal controls to normalize gene expression in safflower.

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