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Saba Yavari,Mohammad Esmaeil Hassani,Reza Omidbaigi,Sara Yavari,Mohammad Jamal Saharkhiz 한국원예학회 2009 Horticulture, Environment, and Biotechnology Vol.50 No.4
Artificial autotetraploids of dragonhead (Dracocephalum moldavica L.) were introduced by treating young plants with aqueous solutions of colchicine at two stages, consisting of the emergence of cotyledon leaves and of two true leaves. Six colchicine concentrations of 0, 0.05, 0.1, 0.2, 0.5, and 0.75% were treated in each of these stages. Results showed that application of colchicine at two true leaves stage had desirable results as many treated plants grew and also diversity was observed in characteristics of treated plants. Tetraploid plants were identified by primary morphological selection, studding stomata characteristics, numbering of chloroplasts in the stomatal guard cells, and finally using flow cytometric analyses. Comparison of characteristics of tetraploid plants with diploids indicated that the higher level of ploidy in dragonhead caused changes in some morphological and physiological traits and active substances.
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Determinants of depression in non-cardiac chest pain patients: a cross sectional study
( Hamidreza Roohafza ),( Niloufar Yavari ),( Awat Feizi ),( Azam Khani ),( Parsa Saneian ),( Sara Bagherieh ),( Fereshteh Sattar ),( Masoumeh Sadeghi ) 대한통증학회 2021 The Korean Journal of Pain Vol.34 No.4
Background: Non-cardiac chest pain (NCCP) is a common patient complaint imposing great costs on the healthcare system. It is associated with psychological factors such as depression. The aim of the present study is determining depression predictors in NCCP patients. Methods: The participants of this cross-sectional study were 361 NCCP patients. Patients filled out questionnaires concerning their sociodemographic, lifestyle, and clinical factors (severity of pain, type D personality, somatization, cardiac anxiety, fear of body sensations, and depression). Results: Based on multiple ordinal logistic regression, lack of physical activity (odds ratio [OR], 1.78; 95% confidence interval [CI], 1.09-2.87), sleep quality (OR, 2.98; 95% CI, 1.15-7.69), being a smoker (OR, 1.33; 95% CI, 2.41-4.03), present pain intensity (OR, 1.08; 95% CI, 1.05-1.11), type D personality (OR, 2.43; 95% CI, 1.47- 4.03), and somatization (OR, 1.22; 95% CI, 1.15-1.3) were significant predictors of depression in NCCP patients. Additionally, multiple linear regression showed that being unmarried (β = 1.51, P = 0.008), lack of physical activity (β = 1.22, P = 0.015), sleep quality (β = 2.26, P = 0.022), present pain intensity (β = 0.07, P = 0.045), type D personality (β = 1.87, P < 0.001), somatization (β = 0.45, P < 0.001), and fear of bodily sensation (β = 0.04, P = 0.032) increased significantly depression scores in NCCP patients. Conclusions: Physicians should consider the predictors of depression in NCCP patients which can lead to receiving effective psychological consultations and reducing the costs and ineffectual referrals to medical centers.
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