• Proceedings of the Korean Society of Crop Science Conference
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• 2019.09a
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• pp.22-22
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• 2019

Green stem disorder (GSD) of soybean (Glycine max (L.) Merr.) is characterized by delayed senescence of stems with normal pod ripening and seed maturation (Hobbs, 2006). GSD complicates harvesting of soybeans by significantly increasing the difficulty in cutting the affected plants. There is also the potential for moisture in the stems to be scattered on the seed, reducing the grade and storability of the seed. Not only the cause of GSD is yet unknown, but also GSD cannot be evaluated until maturity, therefore the method to evaluate GSD in early growth stage with high sensitivity is necessary. In previous studies, it has been reported that vegetative storage protein (VSP) accumulates and the syndrome of GSD appears in soybean after depod treatment (Fischer, 1999). Soybean VSP is a storage protein which is abundant in young sink leaves and degraded during seed fill (Wittenbach, 1982). Hence, we have established a system to quantify VSP of high sensitivity by using standard protein made by genetically transformed E. coli and specific antibody against VSP, and studied the relationship between VSP and GSD, by depod experiment and drought/excess wet experiments. The result of depod experiment with the cultivar 'Yukihomare' was the same with the previous studies, VSP accumulated much more than control and the syndrome of GSD appeared in soybean in depod treatment. Drought and excess wet had different impact on GSD. Excess wet caused GSD of the cultivar 'Tachinagaha (GSD susceptible)', while drought caused a little syndrome of GSD in the cultivar 'Touhoku 129 (GSD resistant)'. The accumulation of VSP differed between the two cultivars over time. In conclusion, the accumulation of VSP came along with the emergence of GSD. Different cultivars showed different response to drought and excess wet. In the future, it is expected that the dynamics of VSP will be elucidated in detail, leading to the development of early diagnosis technology for green stem disorder and the elucidation of mechanism of soybean GSD.

• The Journal of the Korea Contents Association
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• v.21 no.4
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• pp.825-832
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• 2021

In this study, by selecting specific aptamers that selectively detection on P. gingivalis, the main cause of periodontal disease, and purifying and identifying protein molecules that bind to the selected aptamers, the mechanism of action of P. gingivalis was investigated. A DNA library having 39 random sequences was prepared, and aptamers with specificity for P. gingivalis were selected using the SELEX method, and the nucleotide sequence was analyzed by cloning using PCR2.1 cloning vector. 8 of aptamers with different nucleotide sequences were selected, and modified weston blot was performed using APG-3 among the selected aptamers to identify 11 proteins that act directly, and proteins were analyzed. As a result, a protein that selectively binds to P. gingivalis was isolated and identified. Therefore, aptamer selectively binds and attaches to proteins related to inhibition of sugar metabolism and cell activity of P. gingivalis, suggesting the possibility of a sensor for diagnosis of periodontal disease.

• Journal of Trauma and Injury
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• v.33 no.4
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• pp.207-218
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• 2020

The following recommendations are presented herein: All trauma patients admitted to the resuscitation room should be constantly (or periodically) monitored for parameters such as blood pressure, heart rate, respiratory rate, oxygen saturation, body temperature, electrocardiography, Glasgow Coma Scale, and pupil reflex (1C). Chest AP and pelvic AP should be performed as the standard initial trauma series for severe trauma patients (1B). In patients with severe hemodynamically unstable trauma, it is recommended to perform extended focused assessment with sonography for trauma (eFAST) as an initial examination (1B). In hemodynamically stable trauma patients, eFAST can be considered as the initial examination (2B). For the diagnosis of suspected head trauma patients, brain computed tomography (CT) should be performed as an initial examination (1B). Cervical spine CT should be performed as an initial imaging test for patients with suspected cervical spine injury (1C). It is not necessary to perform chest CT as an initial examination in all patients with suspected chest injury, but in cases of suspected vascular injury in patients with thoracic or high-energy damage due to the mechanism of injury, chest CT can be considered for patients in a hemodynamically stable condition (2B). CT of the abdomen is recommended for patients suspected of abdominal trauma with stable vital signs (1B). CT of the abdomen should be considered for suspected pelvic trauma patients with stable vital signs (2B). Whole-body CT can be considered in patients with suspicion of severe trauma with stable vital signs (2B). Magnetic resonance imaging can be considered in hemodynamically stable trauma patients with suspected spinal cord injuries (2B).

• The Journal of the Korea Contents Association
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• v.22 no.9
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• pp.497-509
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• 2022

Lines are the oldest visual elements in human history and are closely related to human life and drawings and symbols drawn with lines on cave paintings and rocks have existed as alternative images for human survival. In arts the line reveals the core of the object within a short period of time and in art therapy it becomes a medium that can diagnose the client's psychological state and intervene therapeutically. However although line drawing has therapeutic importance in the process as well as diagnosis studies on its effectiveness and therapeutic characteristic have not been actively conducted. Therefore in this study the characteristics related to line art in art therapy are first derived through 'Triangular Verification of Theory', 'Qualitative Content Analysis', and 'Finding Common Parts' in domestic and foreign literature. As a result I will examine the Movement which is a key therapeutic element of line drawing in connection with the brain structure. Through this I will examine the therapeutic mechanisms that affect the body, brain and mind of the movement of line drawing and examine and suggest how it can be used in art therapy.

• The Korea Journal of Herbology
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• v.34 no.6
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• pp.71-78
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• 2019

Objective : The purpose of the study was to identify expression profiling of miRNAs associated with cancers after treating allergen-removed Rhus Verniciflua Stokes and allergen-removed Rhus Verniciflua Stokes fumigaed Angelica gigas on leukemia cell lines. Methods : miRNA expression has been analyzed using miRNA array method through denaturation and hybridization after isolating the total RNA from leukemic cell line treated with 100 ㎍/㎖ of aRVS and aRVS-A each. Microarray expressions were interpreted as 'significant' on miRNAs when decreased less than 0.5 fold or increased more than 1.5 fold compared with the control group. Results : Among 158 miRNAs in total, 32 miRNAs were significantly presented in miRNAs expression. miRNA has been activated with a variety of genes for predicted targets, and the overexpressed miRNAs were categorized according to proliferation and metastasis of cancer in this study. The findings were reported that seven miRNAs (let-7b, miR-193a-5p, 296-3p, 26a, 22, 124a, 92b) showed significant expressions on proliferation and growth, seven miRNAs (miR-193a-5p, 26a, 200c, 183, 124a, 198, 210) presented meaningful expressions on invasion and metastasis, two miRNAs (let-7b, miR-210) were highly expressed on angiogenesis, five miRNAs (let-7b, miR-26a, 181d, 181c, 296-5p) related with apoptosis, and six miRNAs (let-7b, miR-200c, 183, 370, 124a, 191) were associated with prognosis of cancer and early diagnostic factors for cancer. Conclusion : The mechanism of miRNA takes a role in diagnosis, treatment, and prognotic factors for cancer as well. This study suggested that further detailed research on overexpression of specific miRNA should be carried out continuously in the future.

• Journal of Oriental Neuropsychiatry
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• v.34 no.3
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• pp.275-305
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• 2023

Objectives: This study aimed to review clinical and experimental studies using Korean traditional herbal medicine for dementia on the improvement of cognitive function and changes in gut microbiota. Methods: We searched 12 databases for clinical and experimental studies on the effect of Korean traditional herbal medicine treatment for dementia on changes in gut microbiota. Sample sizes, dementia types, diagnosis criteria, interventions, outcomes, and results, including changes in gut microbiota, were extracted from the included clinical studies and analyzed. Subjects, interventions, outcomes, and results, including gut microbiota changes, were extracted from the included experimental studies and analyzed. Results: A total of 22 studies were selected, and most of them were experimental studies. Improvement in cognitive function and changes in gut microbiota were reported in all studies. The most frequently used herbal material was Poria cocos, and the most frequently used prescription was Danggwijagyak-san and Chilseong-hwan. Lactobacillus, Firmicutes, Bacteroidetes, and Proteobacteria were frequently assessed gut microbiota. Conclusions: These results suggest the treatment potential of Korean traditional herbal medicine for dementia by regulating gut microbiota. However, there were discrepancies related to changes in gut microbiota among studies. Therefore, further studies are needed to clarify the effect and mechanism of Korean traditional herbal medicine for dementia on gut microbiota.

• Journal of Medicine and Life Science
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• v.18 no.3
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• pp.61-65
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• 2021

Although re-expansion pulmonary edema (RPE) is rare (incidence rate <1%), it is associated with a mortality rate of >20%; therefore, early diagnosis and treatment are important. We report a case of RPE following chest tube insertion in a patient with spontaneous pneumothorax. We have specifically focused on the mechanism underlying RPE and the possible etiology. An 82-year-old man with a history of chronic anemia, chronic obstructive pulmonary disease, diabetes mellitus, and hypertension was referred to the emergency department for management of recurrent right-sided pneumothorax. We performed emergency closed thoracostomy for suspected tension pneumothorax, which led to stabilization of the patient's vital signs; however, he coughed up frothy pink sputum accompanied by severe right-sided chest pain 30 min postoperatively. The patient showed new-onset right pulmonary consolidation on chest radiography, as well as desaturation, tachycardia, and tachypnea and was diagnosed with RPE. He was transferred to the intensive care unit for mechanical ventilation and supportive treatment using diuretics, ionotropic agents, and prophylactic antibiotics. RPE gradually resolved, and the patient was extubated 3 days after admission. He has not experienced recurrent pneumothorax or pulmonary disease for 4 months. We emphasize the importance of RPE prevention and that aggressive ventilator care and supportive treatment can effectively treat RPE following an accurate understanding of the underlying pathogenetic mechanisms and risk factors.

• Journal of Korea Entertainment Industry Association
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• v.13 no.1
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• pp.217-223
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• 2019

Colon cancer is the most common form of cancer diagnosis in worldwide. There are growing interests in the health benefits associated with consumption of fruits and vegetables, especially for the prevention of cancer, cardiovascular or other chronic diseases. The objective of the present study was to investigate the antioxidant and anticancer activities of natural product, guarana(GR) and graviola(GV) in human colon carcinoma HCT-116 cells. MTT assay, flow cytometry analysis were employed to investigate the anticancer mechanism and DPPH assay was determined to the antioxidant activity to scavenge free radicals in extract of these. All two extracts showed significantly antioxidant activity at 50mg/ml of concentration. GR and GV reduced HCT-116 cell proliferation in a dose dependent manner. Specially GR treatment(96.65±3.71) also significantly increased the sub-G1 population more than GV(79.58±2.87) treatment in HCT-116 at the concentration of 10mg/ml, as shown by flow cytometry assay. Statistical analyses revealed GR and GV exhibited significantly high (P < 0.05) cytotoxicity in HCT-116. These findings indicate that GN and GV may serve as novel therapeutic agents for colon cancer treatment and future leads for drug development.

• Nutrition Research and Practice
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• v.17 no.2
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• pp.330-340
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• 2023

BACKGROUND/OBJECTIVES: Emotional eating is one of the eating behaviors in which negative emotions affect eating. During the luteal phase, premenstrual syndrome (PMS) and its associated psychological and physical symptoms can appear in some women, and a few of them suffer from premenstrual dysphoric disorder (PMDD), a severe form of PMS. Some women diagnosed with PMS/PMDD experience emotional eating during the luteal phase, which may be a coping mechanism for psychological stress. This study aimed to investigate how PMS/PMDD and negatively perceived stress are related to emotional eating. SUBJECTS/METHODS: A total of 409 women aged 20 to 39 yrs with a body mass index (BMI) ranging from 18.5 to 29.9 kg/m² participated in this study. Participants who responded to all the questions of the Shortened Premenstrual Assessment Form, Negative Perceived Stress Scale, and Emotional Eater Questionnaire were divided into a PMDD and a non-PMDD group according to the cut-off value for PMDD diagnosis. Independent t-tests and mediation analyses were performed to compare the 2 groups. RESULTS: No significant differences between the 2 groups were found in terms of BMI; however, the average values for emotional eating, PMS, and negative perceived stress of the PMDD group were significantly higher than those of the non-PMDD group. Only negative perceived stress had a significant effect on emotional eating in the non-PMDD group. In the PMDD group, PMS was statistically significant for both negative perceived stress and emotional eating mediated by negative perceived stress. Consequently, it appeared to have a partial or complete mediation depending on the independent variable for the PMDD group. CONCLUSIONS: This study highlights the importance of managing negative perceived stress to control emotional eating in PMS/PMDD for improved women's health.

• Journal of Physiology & Pathology in Korean Medicine
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• v.36 no.5
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• pp.155-162
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• 2022

Even after testing negative for COVID-19, some patients continue to struggle with a variety of symptoms such as fatigue, shortness of breath, gastrointestinal problems and neurological problems. The World Health Organization (WHO) defined long COVID (Post COVID-19 conditions) as "A disease occurs in individuals with a history of probable or confirmed SARS-CoV-2 infection, usually 3 months from the onset of COVID-19 with symptoms that last for at least 2 months, that cannot be explained by an alternative diagnosis." As a possible pathological mechanism of long COVID, three hypotheses are proposed: the persistence of the infectious state due to the residual virus, the persistent inflammatory response, and the autoimmune response. The main symptoms of long COVID are shortness of breath (dyspnea), abdominal pain and dyspepsia, fatigue, cognitive problems (brain fog), anosmia and dysgeusia, and chest pain, palpitations and tachycardia. In the Chinese guidelines, COVID-19 patients were divided into mild, moderate, severe, and recovery, and prescriptions with effective therapeutic effects were summarized to encourage combined treatment of chinese and western medicine. Globally, only symptomatic therapy is recommended for long COVID, but a specific treatment has not yet been proposed. Recently, morbidity code for post COVID-19 conditions was created, and it is planned to announce guidelines for long COVID treatment and management in the first half of 2023. In line with this trend, the Korean medical community needs to make efforts to prepare treatment guidelines for patients with long COVID.