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Characteristics of the Infection of Tilletia laevis Kuhn (syn. Tilletia foetida (Wallr.) Liro.) in Compatible Wheat

  • Ren, Zhaoyu;Zhang, Wei;Wang, Mengke;Gao, Haifeng;Shen, Huimin;Wang, Chunping;Liu, Taiguo;Chen, Wanquan;Gao, Li
    • The Plant Pathology Journal
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    • v.37 no.5
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    • pp.437-445
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    • 2021
  • Tilletia laevis Kuhn (syn. Tilletia foetida (Wallr.) Liro.) causes wheat common bunt, which is one of the most devastating plant diseases in the world. Common bunt can result in a reduction of 80% or even a total loss of wheat production. In this study, the characteristics of T. laevis infection in compatible wheat plants were defined based on the combination of scanning electron microscopy, transmission electron microscopy and laser scanning confocal microscopy. We found T. laevis could lead to the abnormal growth of wheat tissues and cells, such as leakage of chloroplasts, deformities, disordered arrangements of mesophyll cells and also thickening of the cell wall of mesophyll cells in leaf tissue. What's more, T. laevis teliospores were found in the roots, stems, flag leaves, and glumes of infected wheat plants instead of just in the ovaries, as previously reported. The abnormal characteristics caused by T. laevis may be used for early detection of this pathogen instead of molecular markers in addition to providing theoretical insights into T. laevis and wheat interactions for breeding of common bunt resistance.

Efficacy and Safety of the Antidiabetic effect of Hwangryunhaedok-tang for Type 2 Diabetes Mellitus Patients without Complications: A Systematic Review and Meta-Analysis (합병증을 동반하지 않은 2형 당뇨병 환자에 대한 황련해독탕의 혈당 강하 효과에 대한 유효성과 안전성 : 체계적 문헌 고찰과 메타분석)

  • Baek, Ji-soo;Shin, Seon-mi;Shin, Dong-guk;Cho, Chung-sik
    • The Journal of Internal Korean Medicine
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    • v.42 no.4
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    • pp.605-621
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    • 2021
  • Objectives: The purpose of this review is to assess the efficacy and safety of Hwangryunhaedok-tang for type 2 diabetes without complications by systemic review and meta-analysis of randomized controlled trials (RCTs). Methods: We searched the following up to March 31. 2021: PubMed, EMBASE, The Cochrane Library, CNKI, CiNii, KISS, KMBASE, OASIS, ScienceON. Data extraction and assessment of Cochrane's risk of bias (RoB) tool were performed by two independent authors, and if there was disagreement between two researchers, it was resolved through the intervention of a third researcher. Results: A total of seven trials are included in this systemic review. The treatment group (Hwangryunhaedok-tang plus conventional treatment) showed more statistically significant effects than did the control group (conventional treatment only) in fasting plasma glucose level, 2-hour postprandial plasma glucose level, glycated hemoglobin A1c, fasting insulin level, and HOMA-IR. There was no significant difference between the treatment group (Hwangryunhaedok-tang alone) and the control group (metformin alone). Conclusion: Hwangryunhaedok-tang might have efficacy and safety in controlling blood sugar level and improving insulin-resistance. However, the number of studies included in the meta-analysis was insufficient, and the Hwangryunhaedok-tang used in the included studies was not standardized. Also, the quality of the involved studies was generally low. Therefore, further studies are needed to determine the efficacy and safety of Hwangryunhaedok-tang treatment for type 2 diabetes mellitus.

A Study on the Hypoglycemic Effect and Safety of Combined-Therapy of Baekhogainsam-tang and Hypoglycemic Agent for Type 2 Diabetes Mellitus Patients without Complications: A Systematic Review and Meta-Analysis (합병증을 동반하지 않은 2형 당뇨병 환자에 대한 백호가인삼탕과 혈당강하제 병행치료의 혈당 강하 효과 및 안전성 연구 : 체계적 문헌 고찰과 메타분석)

  • Shin, Jae-ik;Baek, Ji-soo;Shin, Seon-mi;Cho, Chung-sik
    • The Journal of Internal Korean Medicine
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    • v.42 no.4
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    • pp.672-686
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    • 2021
  • Objectives: The purpose of this study is to assess the efficacy and safety of Baekhogainsam-tang for type 2 diabetes without complications by systemic review and meta-analysis of randomized controlled trials (RCTs). Methods: For a systematic review and meta-analysis, we set a key question in accordance with PICOT-SD. We searched the following up to March 31. 2021: PubMed, EMBASE, The Cochrane Library, CNKI, CiNii, KISS, KMBASE, OASIS, and ScienceON. A meta-analysis was conducted by synthesizing the results, including fasting plasma glucose level, postprandial 2-hour plasma glucose level, and Glycated Hemoglobin (HbA1c). Results: A total of five trials are included in this systemic review. The treatment group (Baekhogainsam-tang plus conventional treatment) showed more statistically significant effect than did the control group (conventional treatment only) in fasting plasma glucose level, postprandial 2-hour plasma glucose level, and glycated hemoglobin (HbA1c). Conclusions: Baekhogainsam-tang showed statistically significant effects in hypoglycemic effect and in improving insulin resistance. However, the number of studies included in the meta-analysis was insufficient, and the BIT used in the included studies was not standardized. This topic requires further attention and more clinical research.

Review Study on the Measurement Tools of Scoliosis: Mainly on Non-radiological Methods (척추측만증 평가 척도에 관한 문헌 고찰: 비방사선 방법을 중심으로)

  • Kim, Dong-Joo;Choi, Seong-Kyeong;Jo, Hyo-Rim;Ha, Yu-bin;Choi, Sung-Hwan;Park, Seo-Hyun;Lee, Seung Deok;Keum, Dong-Ho;Sung, Won-Suk;Kim, Eun-Jung
    • The Journal of Korean Medicine
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    • v.42 no.1
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    • pp.75-98
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    • 2021
  • Objectives: The purpose of this study is to investigate the characteristics, validity, and reliability of non-radiological assessment tools of scoliosis that have been studied so far. Methods: Electronic databases including Pubmed, Cochrane Library, CNKI, Science On, RISS, OASIS were searched by keywords including 'scoliosis assessment', 'scoliosis screening', 'physical examination', 'functional measurement', 'photography', and 'smartphone'. Results: 32 articles using radiation-free assessments were identified from 1,011 records. The mostly used non-radiological methods were Surface topography, Scoliometer, Ultrasound, Digital Infrared Thermal Imaging, and Photography. The other methods were Gait analysis, 3D depth sensor imaging, and Low intensity electromagnetic scan. Conclusions: It was found that non-radiological assessment tools might reduce the number of radiographs taken in scoliosis patients. To increase the reliability and validity, further research on the measurement tools of scoliosis will be needed.

A Review of Studies Using Syndrome Differentiation Questionnaire in Cancer Patients (암 환자 대상 변증 설문지 활용 현황에 대한 문헌고찰)

  • Park, Su Bin;Yoon, Jee-Hyun;Kim, Eun Hye;Lee, Jee Young;Yoon, Seong Woo
    • Journal of Korean Traditional Oncology
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    • v.26 no.1
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    • pp.1-15
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    • 2021
  • Objective: The aim of this review is to analyze the studies using syndrome differentiation questionnaire in cancer patients. Methods: We searched electronic databases including Pubmed, google scholar, Cochrane library, CNKI, KISS, RISS and OASIS. Key words used for searching were cancer, Korean medicine, pattern identification, and questionnaire. Studies using a symptom differentiation questionnaire to cancer patients were selected. Results: 35 studies were enrolled. A total of 17 questionnaires was used. Most of the types of included studies were observational studies, followed by randomized controlled trials (RCTs) and validation studies. The purposes of using questionnaires were rrelation analysis, outcome measurement, evaluating adverse events, subgroup analysis, and questionnaire development. The most used questionnaire was Body Constitution Questionnaire (BCQ), and it was used 8 times, Questionnaire for the Sasang Constitution Classification II (QSCC II) was used 5 times, Constitution in Chinese Medicine Questionnaire (CCMQ), TCM-Symptom Complex Differentiation Questionnaire (TCM-SCDQ), Yin Deficiency Questionnaire were used 4 times, and Qi Blood Yin Yang Deficiency Questionnaire was used twice. BCQ is a questionnaire diagnosing and evaluating yang deficiency, yin deficiency, and blood stasis. It has high reliability, validity, and optimal cut-off value. Conclusion: BCQ is the most used syndrome differentiation questionnaire in cancer-related studies. So, BCQ could be recommended in syndrome differentiation-related cancer studies.

Review on Herbal Medications of Asthma in Domestic Clinical Research on Traditional Korean Medicine (천식의 한약치료에 관한 문헌고찰 - 국내 한의학 임상연구를 중심으로)

  • Park, Cheong Su;Hong, Minna;Ban, Jae Jin;Jeong, Han Sol;Choi, Jun Yong
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.32 no.6
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    • pp.361-369
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    • 2018
  • The purpose of this study was to review the herbal medications of asthma through clinical studies in Korea and to be utilized in the treatment of asthma and in other clinical studies. All clinical researches about asthma published up to 13th February 2018 were found in two domestic electric databases, Oriental Medicine Advanced Searching Integrated System(OASIS) and National Discovery for Science Library(NDSL). Twenty-seven articles were selected and of these, there were 14 articles of before and after studies(BAS), 8 of case series(CS), 4 of case reports(CR) and 1 of the randomized controlled trial(RCT). The most frequently used prescription was "Cheongsangboha-tang(淸上補下湯)". There were various TCM patterns, and Tae-Eum-In(太陰人) was the most common Sasang constitution(四象體質). Frequently used evaluations to assess treatment effects were lung function tests such as Forced expiratory volume at one second (FEV1) and Quality of Life Questionnaire for Adult Korean Asthmatics(QLQAKA) questionnaire responses. We have found that herbal medicine treatment can be an effective treatment to improve the symptoms and the quality of life of asthmatic patients. But we consider that large-scale systematically designed clinical researches are needed additionally.

Performance Assessment of Monthly Ensemble Prediction Data Based on Improvement of Climate Prediction System at KMA (기상청 기후예측시스템 개선에 따른 월별 앙상블 예측자료 성능평가)

  • Ham, Hyunjun;Lee, Sang-Min;Hyun, Yu-Kyug;Kim, Yoonjae
    • Atmosphere
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    • v.29 no.2
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    • pp.149-164
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    • 2019
  • The purpose of this study is to introduce the improvement of current operational climate prediction system of KMA and to compare previous and improved that. Whereas the previous system is based on GloSea5GA3, the improved one is built on GloSea5GC2. GloSea5GC2 is a fully coupled global climate model with an atmosphere, ocean, sea-ice and land components through the coupler OASIS. This is comprised of component configurations Global Atmosphere 6.0 (GA6.0), Global Land 6.0 (GL6.0), Global Ocean 5.0 (GO5.0) and Global Sea Ice 6.0 (GSI6.0). The compositions have improved sea-ice parameters over the previous model. The model resolution is N216L85 (~60 km in mid-latitudes) in the atmosphere and ORCA0.25L75 ($0.25^{\circ}$ on a tri-polar grid) in the ocean. In this research, the predictability of each system is evaluated using by RMSE, Correlation and MSSS, and the variables are 500 hPa geopotential height (h500), 850 hPa temperature (t850) and Sea surface temperature (SST). A predictive performance shows that GloSea5GC2 is better than GloSea5GA3. For example, the RMSE of h500 of 1-month forecast is decreased from 23.89 gpm to 22.21 gpm in East Asia. For Nino3.4 area of SST, the improvements to GloSeaGC2 result in a decrease in RMSE, which become apparent over time. It can be concluded that GloSea5GC2 has a great performance for seasonal prediction.

Clinical Effectiveness of Traditional Herbal Medicine in the Treatment of Central Post-Stroke Pain and Thalamic Syndrome: a Systemic Review and Meta-analysis of Randomized Clinical Trials Based on Traditional Chinese Medicine Journals (뇌졸중 후 중추성 통증 및 시상증후군에 대한 한약치료의 효과 : 체계적 고찰 및 메타분석 - 중의학 저널을 중심으로)

  • Jung, Yu-jin;Kang, Eun-jin;Hong, Sang-hoon
    • The Journal of Internal Korean Medicine
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    • v.40 no.3
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    • pp.295-311
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    • 2019
  • Objectives: This research aimed to investigate Chinese clinical studies on the treatment of central post-stroke pain (CPSP) and thalamic syndrome after stroke with traditional herbal medicine (THM). Methods: Randomized controlled trials verifying the effects of herbal medicine on treating CPSP and thalamic syndrome after stroke were included in the study. Electrical and hand search were conducted in the China National Knowledge Infrastructure (CNKI), National Discovery for Science Leaders (NDSL), Research Information Sharing Service (RISS), Oriental Medicine Advanced Searching Integrated System (Oasis) for CPSP and thalamic syndrome after stroke. A literature search was performed in the Chinese and Korean databases for papers published from January 1, 2010 to October 1, 2018. The selected literature was assessed by Cochrane's risk of bias. Results: Twelve reports on randomized controlled trials met the inclusion criteria from the 227 identified reports. Effective rate, comparison of visual analogy scale, present pain intensity, pain grading index, recurrence rate, follow-up, and a 36-item short form survey instrument were used to evaluate the treatments. The effective rate of the treatment group was significantly higher than that of the control group in all papers. Side effects occurred less frequently in the treatment group than in the western medicine control group. Conclusions: The treatment of CPSP and thalamic syndrome after stroke with THM was shown to be highly effective. Additional well-designed clinical trials are needed. This study can be used as a basis for further research on the treatment of CPSP and thalamic syndrome after stroke.

Effect of Chuna Manual Therapy for Peripheral Facial Paralysis in Children : A Systematic Review (소아 말초성 안면마비에 대한 추나요법의 효과 : 체계적 문헌고찰)

  • Kim, Eui-Byeol;Kang, Ki-Wan;Kim, Min-Woo;Ko, Youn-Seok
    • The Journal of Churna Manual Medicine for Spine and Nerves
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    • v.14 no.1
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    • pp.1-11
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    • 2019
  • Objectives : The purpose of this study is to review clinical studies about the effect of chuna manual therapy (CMT) for peripheral facial paralysis in children. Methods : In this review, we searched 11 electronic databases (Pubmed, Cochrane Library, EMBASE, CINAHL, CAJ, Oasis, NDSL, KISS, RISS, KISTI, Dbpia); We concluded our literature search in April 23, 2019. We included only randomized controlled trials (RCTs) of testing CMT for peripheral facial paralysis in children. The methodological quality of each RCT was assessed using the Cochrane risk of bias tool. The meta-analysis was performed by synthesizing outcome data of total efficacy rate (TER). Results : After screening papers, a total of 6 RCTs were selected and analyzed. In the 6 RCTs, patients(n=15-60 per study) were randomized into groups for treatment and control. Specifically, the treatment group received CMT, while the control group was concurrently given usual care, such as acupuncture and medicine. The meta-analysis showed that the treatment group receiving CMT alone showed significant improvement in TER, compared to the control group receiving acupuncture therapy alone(P<0.05). And the treatment group receiving CMT combined with usual care showed positive results, in terms of TER, compared to the control group receiving usual care, but was not statistically significant(P>0.05). Conclusions : Our analysis suggests that CMT has therapeutic effects for peripheral facial paralysis in children. However, to confirm this result, further investigation accompanied by high quality studies is required.

A Systematic Review and Meta-Analysis of Randomized Controlled Trials on Chuna Manual Therapy for Cervicogenic Headache

  • Lee, Dong-Wha;Kim, Ju-Young;Hong, Min-Ho;Koo, Byung-Soo;Kim, Geun-Woo
    • Journal of Oriental Neuropsychiatry
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    • v.30 no.2
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    • pp.89-105
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    • 2019
  • Objectives: We conducted this study to evaluate the efficacy of Chuna Manual Therapy (CMT) for treatment of cervicogenic headache (CeH) through systematic review and Meta-analysis of randomized controlled trials (RCTs) as a preceding research to further research the effective of Chuna Manual Therapy for patients who suffered from CeH. Methods: We conducted a systematic review and meta-analysis by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched the studies from MEDLINE, Elsevier-EMBASE, The Cochrane Library, CAJD, KISS, KMBase, Korean Traditional Knowledge Portal, NDSL, and OASIS. The studies selected only in randomized controlled trials. We selected the chosen studies by the selection and the exclusion criteria, and evaluated the quality of the selected studies using the Jadad score and the Cochran ROB tool. We used the Visual Analogue Scale score (VAS) and Clinical total Effective Rate (CER) for the results and analyzed the results of the included studies using RevMan 5.3 software provided by the Cochran library. Results: We included 20 RCTs, including 1,673 subjects, in the systematic review and meta-analysis. After the intervention, the CMT group showed better results than the pharmacotherapy group, the physiotherapy group, and the combined treatment group. The CMT group showed a good effect on the CER and the VAS but showed a significant heterogeneity compared to the pharmacotherapy group. Conclusions: The CMT as monotherapy might have benefits on Cervicogenic Headache patient. Further well-designed studies need to be conducted.