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The bZIP (basic leucine zipper) gene family is one of the largest transcription factor families in eukaryotes, and its members play important roles in stress response, secondary metabolism, plant growth, seed development and other aspects. To investigate the biological functions of the bZIP (CsbZIP) gene in Cannabis sativa L., we systematically investigated the CsbZIP gene family using bioinformatics methods based on the whole-genome and transcriptome data. The results showed that 55 CsbZIP gene family members (CsbZIP1-CsbZIP55) were identified and distributed on 10 chromosomes, belonging to 12 subfamilies. The gene structure and protein motif distribution of the same subfamily members were similar. Segment repeats were the main reasons for the expansion of CsbZIP gene family. Cis-elements analysis showed that the promoter regions of 73 lipid synthesis genes contained G-box or A-box element. qRT-PCR showed that the relative expression levels of 7 CsbZIP genes and 7 lipid synthesis genes were relatively high in hemp seed. 7 CsbZIP genes had a significant positive correlation with 7 lipid synthesis genes. This study revealed the structural features, evolutionary patterns and expression patterns of CsbZIP, providing important clues for further study on the regulation of CsbZIP on oil metabolism of hemp seed.
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Objective To observe the efficacy in combination with Hemp seed pill and lactulose oral solution for treating cancer pafients with constipation induced by morphine-type drugs.Methods 62 Cancer patients with constipation induced by morphine-type drugs diagnosed by pathology or cytology were collected from January 2013 to July 2016 in Suzhou BenQ hospital for this study.The patients in study group received both Hemp seed pill and lactulose oral solution, and patients in control group received lactulose oral solution only.After treatment for 3 weeks,some indexes were observed, including outcomes in the overall response rates, Karnofsky score, weight.Results The total effective rate of the study group was higher than the control group(77.4%vs 48.3%, P<0.05), the difference was statistically significant;After treatment,Karnofsky score and the percentage of patients gaining weight in study group were markedly higher than those in control group,the difference was statistically significant(P<0.05).Conclusion Hemp seed pill combined with lactulose oral solution has a good clinical efficacy in treating pafients with constipation induced by morphine-type drugs, and can improve patient's quality of life.
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Objective:To observe the effect of hemp seed oil on the blood lipid and its hepatoprotective efficacy in hyperlipidemic rats. Methods:High fat diet was used to make the hyperlipidemia model in SD rats,and the rats were randomly divided into 6 groups:the normal control group,high fat model group,high dose group(1. 5 g·kg-1 ),medium dose group(1. 0 g·kg-1 ),low dose group (0. 5 g·kg-1 )and Xuezhikang group(0. 5 g·kg-1 ). After 35-day treatment,serum TC,TG,HDL-C,LDL-C,SOD,MDA,ALT, AST and liver SOD were detected. Results:Compared with the model group,hemp seed oil at different dosages could significantly de-crease the contents of serum TC,TG,ALT and the atherogenic index(AI)( P<0. 05 or P<0. 01),and significantly increase the SOD activity in serum and liver(P<0. 01). The contents of serum MDA and AST in the medium and high dose groups were signifi-cantly decreased(P<0. 01),and the content of LDL-C in serum and the content of MDA in liver in the high dose group were signifi-cantly reduced(P<0. 01). Conclusion:Hemp seed oil shows promising blood lipid reducing ability and liver protective effect in hy-perlipidemic rats,and the mechanism may be related with liver lipid metabolism improvement and antioxidant function enhancement.
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Object To develop the analysis method to determine the content of cannabidiol in the hemp seed oil by HPLC. Methods The chromatographic condition was Irregular-H-C 18 column (250 mm? 4.6 mm, 10 ?m). A mixture of methanol-acetonitrile-water-acetic acid (25∶50∶25∶0.4) was used as the mobile phase with a flow rate of 0.8 mL/min and the detection wavelength was 220 nm at room temperature. Results The calibration curve for cannabidiol showed good linear correlation within the concentration range of 1.2 — 9.6 ?g/mL (r=0.999 4). The average recovery and RSD was 94.6% and 1.9% (n=9) respectively. Conclusion The method is convenient, reliable and with good reappearance.