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Chuan Zhang,Liwen Cui,Chonghuai Liu,Xiucai Fan,Jinggui Fang 한국원예학회 2021 Horticulture, Environment, and Biotechnology Vol.62 No.3
The distal end of grape berries preferentially cracks during the soaking process in vitro, which may be related to preferentialwater uptake and cell anatomy. Thus, the relationship between water uptake and cell anatomical structure was assessed using49 grape varieties. In vitro immersion experiments were performed on mature berries to measure the diff erences in berrycrackingproperties. A whole-berry in vitro staining method was used to trace the water uptake of the vascular bundles, andparaffi n sections were used to observe and analyze the structural parameters of the diff erent tissues. The results showed thatthe berry-cracking rate and water uptake of the distal end of berries prone to cracking were signifi cantly higher than that ofthe resistant berries. Compared with the berries that were resistant to cracking, the berries that were prone to cracking possesseda thin cuticle, epidermis and sub-epidermis. Dye accumulated in the distal end of the cracking-prone berries, whicheven exhibited cracking during the dyeing process. However, less dye accumulated on the surface of the cracking-resistantvarieties and was only sporadically distributed on the surface. In addition, cracking of the distal end of the berry may alsobe related to other shape and size parameters of the cells in cell layer. Analysis of vascular bundle water transport and thediff erences in the cell structure characteristics of the diff erent varieties, off ered a preliminary explanation for why the distalend of the berry is prone to cracking, providing theoretical support for further research on the mechanisms of berry cracking.
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( Jia Lu ),( Lili Shi ),( Dan Huang ),( Wenjuan Fan ),( Xiaoqing Li ),( Liming Zhu ),( Jing Wei ),( Xiucai Fang ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2020 Journal of Neurogastroenterology and Motility (JNM Vol.26 No.4
Background/Aims A strong correlation between depression and irritable bowel syndrome with diarrhea (IBS-D) has been identified. The aim of this study is to identify the correlations among depression, structural factors, gastrointestinal (GI) and extra-GI symptoms, and efficacy of neuromodulators in patients with IBS-D. Methods Patients meeting the Rome III Diagnostic Criteria for IBS-D were enrolled. The intestinal symptoms and psychological states were evaluated using IBS-specific symptom questionnaires and Hamilton Depression Rating Scale. Results In total, 410 patients with IBS-D were enrolled, 28.8% (118/410) had comorbid depression. Patients with depression did not readily experience improvement in abdominal pain/discomfort after defecation, and had a higher prevalence of passing mucus, overlapping functional dyspepsia, and extra-GI symptoms. The structural factor “mental disorders” significantly correlated with main bowel symptom score and degree of pre-defecation abdominal pain/discomfort. No structural factor significantly correlated with bowel movements or stool form. Patients who had passing mucus, overlapping functional dyspepsia and extra-GI painful symptoms have higher score of “anxiety/somatization.” Patients with sexual dysfunction have higher score of “retardation symptoms.” In total, 28.3% of patients with IBS-D were prescribed neuromodulators. Baseline scores of “anxiety/somatization” and “retardation symptoms” positively correlated with improvement of diarrhea after paroxetine, and “sleep disturbances” positively correlated with improvement of abdominal pain/discomfort and diarrhea after mirtazapine. Conclusions Comorbid depression and higher scores of structural factors might aggravate GI and extra-GI symptoms other than bowel movements and stool form. Structural factors of Hamilton Depression Rating Scale correlated with efficacy of paroxetine and mirtazapine in patients with IBS-D. (J Neurogastroenterol Motil 2020;26:505-513)
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