• Title/Summary/Keyword: Exogenous disease

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A Study on the prescriptions including Gardenia fructus in Dongeuibogam (동의보감(東醫寶鑑) 중 치자(梔子)가 배오(配伍)된 방제(方劑)의 활용(活用)에 대한 고찰(考察))

  • Chai, Hyun Seok;Jeoung, Gyoung Hee;Kim, Sang Jun;Kim, Hong Jun
    • Herbal Formula Science
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    • v.28 no.4
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    • pp.365-384
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    • 2020
  • Objectives : This report describes 241 prescriptions related to the use of Gardenia Fructus blended prescriptions from Dongeuibogam. Methods : The following conclusions were reached through investigations on the prescriptions that use Gardeniae Fructus. Results : The Gardeniae Fructus is used in 49 fields of treatment such as urinary diseases, jaundice and furuncle, etc. Prescriptions that utilize Gardeniae Fructus are used in the treatment of fever, eye disease, hemorrhage, skin disease, ear disease, internal disease and so on. In the view of the causative agent of a disease, the prescriptions which are compounded with Gardeniae Fructus are related to endogenous agents such as jaundice, seven emotion, alcohol, exogenous agents such as cold, wind, heat and non-endo-exopathogenic factors like disease due to external factor, injury. The dosage of Gardeniae Fructus is 1pun(about 0.375) to 5don 5pun(about 21g), however 5pun(about 1.87g)~1don(about 3.75g) has been taken the most for clinical application. Conclusions : Hwangryunhaedok-tang is the most base prescriptions which use the Gardenia Fructus. Gardeniae Fructus is mainly used as a raw material.

Epac2a-knockout mice are resistant to dexamethasone-induced skeletal muscle atrophy and short-term cold stress

  • Song, Seung-Eun;Shin, Su-Kyung;Park, So-Young;Hwang, Il-Seon;Im, Seung-Soon;Bae, Jae-Hoon;Choi, Myung-Sook;Song, Dae-Kyu
    • BMB Reports
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    • v.51 no.1
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    • pp.39-44
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    • 2018
  • Exchange protein directly activated by cAMP (Epac) 2a-knockout (KO) mice exhibit accelerated diet-induced obesity and are resistant to leptin-mediated adipostatic signaling from the hypothalamus to adipose tissue, with sustained food intake. However, the impact of Epac2a deficiency on hypothalamic regulation of sympathetic nervous activity (SNA) has not been elucidated. This study was performed to elucidate the response of Epac2a-KO mice to dexamethasone-induced muscle atrophy and acute cold stress. Compared to age-matched wild-type mice, Epac2a-KO mice showed higher energy expenditures and expression of myogenin and uncoupling protein-1 in skeletal muscle (SM) and brown adipose tissue (BAT), respectively. Epac2a-KO mice exhibited greater endurance to dexamethasone and cold stress. In wild-type mice, exogenous leptin mimicked the responses observed in Epac2a-KO mice. This suggests that leptin-mediated hypothalamic signaling toward SNA appears to be intact in these mice. Hence, the potentiated responses of SM and BAT may be due to their high plasma leptin levels.

A study on Applications of prescriptions including Fructus Schisandra as a main component in Donguibogam (동의보감(東醫寶鑑) 중(中) 오미자(五味子)가 주약(主藥)으로 배오(配伍)된 방제(方劑)의 활용(活用)에 대한 고찰(考察))

  • Park, Yang-Ku;Choi, Yong-Sun;Lee, Jang-Cheon;Yun, Ypung-Gab
    • Herbal Formula Science
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    • v.13 no.1
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    • pp.161-178
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    • 2005
  • This report describes 47 studies related to the use of Fructus Schisandra main blended prescriptions from Donguibogam. The following conclusions were reached through investigations on the prescriptions that use Fructus Schisandra as a key ingredient. 1.34% of a cough, 10.6% of a consumptive disease, recorded the largest number of clinical frequency of the prescriptions in therapeutic use when Fructus Schisandra was taken as a monarch drug in prescriptions 2. Prescriptions that utilize Fructus Schisandra as the main ingredient are used in the treatmeant of a cough, a consumptive disease, an exogenous febrile disease, a carbuncle, and cellulitis, and they are also used for treating 11 different types of diseases. 3. The prescriptions are compounded with Fructus Schisandra as a monarch drug can apply to a deficiency syndrome of the lung a deficiency syndrome of both the lung and the stomach, a deficiency syndrome both the spleen and the lung a deficiency syn-drome of the kidney, a hypofunction of the bladder with cold syndrome, a cold of insufficiency type, a deficiency syndrome of the heart, a heat syndrome of the stomach, an affective by cold, an invasion by wind, a consumptive disease. 4. The dosage of Fructus Schisandra is 5pun(about 1.88g) to 5jeon(about 18.75g), however 1jeon(about 3.75g) has been taken the most for clinical application. 5. When Fructus Schisandra is combined with base prescriptions such as Ijintang Chungliongsan, Saengmaksan, it applies symtoms of cough. In addition, when Fructus Schisandra is combined with base prescriptions such as Liukmizihwangtang, Ssangbohwan, Sipjeondaebotang, it utilizes a consumtive disease.

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β-Amino-n-butyric Acid Regulates Seedling Growth and Disease Resistance of Kimchi Cabbage

  • Kim, Yeong Chae;Kim, Yeon Hwa;Lee, Young Hee;Lee, Sang Woo;Chae, Yun-Soek;Kang, Hyun-Kyung;Yun, Byung-Wook;Hong, Jeum Kyu
    • The Plant Pathology Journal
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    • v.29 no.3
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    • pp.305-316
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    • 2013
  • Non-protein amino acid, ${\beta}$-amino-n-butyric acid (BABA), has been involved in diverse physiological processes including seedling growth, stress tolerance and disease resistance of many plant species. In the current study, treatment of kimchi cabbage seedlings with BABA significantly reduced primary root elongation and cotyledon development in a dose-dependent manner, which adverse effects were similar to the plant response to exogenous abscisic acid (ABA) application. BABA was synergistically contributing ABA-induced growth arrest during the early seedling development. Kimchi cabbage leaves were highly damaged and seedling growth was delayed by foliar spraying with high concentrations of BABA (10 to 20 mM). BABA played roles differentially in in vitro fungal conidial germination, mycelial growth and conidation of necrotroph Alternaria brassicicola causing black spot disease and hemibiotroph Colletotrichum higginsianum causing anthracnose. Pretreatment with BABA conferred induced resistance of the kimchi cabbage against challenges by the two different classes of fungal pathogens in a dose-dependent manner. These results suggest that BABA is involved in plant development, fungal development as well as induced fungal disease resistance of kimchi cabbage plant.

A Study on Constipation (변비(便秘)에 관(關)한 동서의학적(東西醫學的) 고찰(考察))

  • Ryu, Bong-Ha;Cho, Nam-Hee
    • The Journal of Internal Korean Medicine
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    • v.21 no.1
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    • pp.169-180
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    • 2000
  • Objectives : To satisfy the demand of good treatment of constipation Methods : we investigated the literatures of Oriental Medicine about Constipation. Results: 1. There are three categories of etimological factors of constipation, that is, endogenous, exogenous and non-exo-endogenous factor. The endogenous factor is caused by seven emotions, called depression of Ki and stagnation of Ki. The exogenous factor is six excessive atmospheric influences, for example, wind, cold, dampness, heat and dryness. And the non-exo-endogenous factors are overfatigue, improper diet, stagnated blood and deficiency of Ki and blood that comes from old age, long disease and after delivery. 2. Classification: According to cause of disease it is classified by constipation due to cold, heat, wind, dryness, retention of undigested and phlegm. According to Internal Organs there are constipation due to deficiency syndrome of the stomach, excess syndrome of the stomach, deficiency syndrome of kidney and splenic constipation. And Differentiation of syndromes according to Ki and blood, there are constipation of deficiency type and excess type. There are constipation due to stagnation and deficiency of Ki, deficiency of blood and stagnated blood. 3. Principles and Methods of treatment 1) Herbal Medicine (1) Excess type [1] Constipation due to heat : Seunggitang(承氣湯) and Majainwhan(麻子仁丸) [2] Constipation due to stagnation of Ki : Samatang(四磨湯) and Yukmatang(六磨湯) (2) Deficiency type [1] Constipation due to deficiency of Ki : Whanggitang(黃?湯) [2] Constipation due to deficiency of blood: Yunjangwhan(潤腸丸) [3] Constipation due to cold : Jechunjun(濟川煎) and Banyuwhan(半硫丸) 2) Enema therapy: It is a method to induce defecation by honey or pig's bile juice for weak people. 3) Acupuncture and Moxibustion: Acupoints used to treat constipation are BL25, ST25 and TE6. Moxibustion at CV8, CV6 is good for constipation due to cold. (4) Diet therapy: It is very important that we eat meals regularly and defecate on the same time even if you don't. And we have to eat food like fruits, vegetables and beans. (5) finger pressure: Finger pressing around these points like ST25, SP25, BL25, BL31, BL32, BL33 and BL34 is good for it. (6) Kigong therapy: Abdominal breathing (7) Old man' s constipation: Hip bath or diet therapy is commended. Laxation with lubricant like Supungyunjangwhan(搜風潤腸丸) is used. (8) Women' s constipation: After delivery, we have to administer tonifying prescription Sipjundaebotang(十全大補湯) and enema can be used. Conclusion : We have to examine the cause of disease and bowl movement carefully. After comprehensive analysis of the data gained by the four methods of diagnosis, we diagnose and treat patients on the base of overall of symptoms and signs.

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High Throughput Screening of Antifungal Metabolites Against Colletotrichum gloeosporioides

  • Ahn, Il-Pyung;Kim, Soon-Ok;Lee, Yong-Hwan
    • The Plant Pathology Journal
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    • v.24 no.1
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    • pp.24-30
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    • 2008
  • Colletotrichum gloeosporioides forms an appressorium, a specialized infection structure, to infect its hosts. Among 400 and 600 culture filtrates from fungi and class Actinomycetes, six methanol extracts (A5005, A5314, A5387, A5560, A5597, and A5598) from the class Actinomycetes significantly inhibited appressorium formation in C. gloeosporioides infecting pepper fruits in a dose-dependent manner, while conidial germination was slightly enhanced. Two (A5005 and A5560) of them also exhibited distinctive inhibitory effect on the disease progress of pepper anthracnose. Water fractions of both culture filtrates also specifically inhibited appressorium formation in C. gloeosporioides and pepper anthracnose disease. Inhibition of appressorium formation by culture filtrate of A5005 was partially restored by the exogenous calcium. This results suggests that chemicals within A5005 extents its biological activity through disturbance of intracellular $Ca^{2+}$ regulation during prepenetration morphogenesis by C. gloeosporioides. Together, cell-based and target-oriented screening system used in this study should be applicable for other plant pathogenic fungi prerequisite appressorium formation to infect their hosts.

Message in a Bottle: Chemical Biology of Induced Disease Resistance in Plants

  • Schreiber, Karl;Desveaux, Darrell
    • The Plant Pathology Journal
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    • v.24 no.3
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    • pp.245-268
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    • 2008
  • The outcome of plant-pathogen interactions is influenced significantly by endogenous small molecules that coordinate plant defence responses. There is currently tremendous scientific and commercial interest in identifying chemicals whose exogenous application activates plant defences and affords protection from pathogen infection. In this review, we provide a survey of compounds known to induce disease resistance in plants, with particular emphasis on how each compound was originally identified, its putative or demonstrated mechanism of defence induction, and the known biological target(s) of each chemical. Larger polymeric structures and peptides/proteins are also discussed in this context. The quest for novel defence-inducing molecules would be aided by the capability for high-throughput analysis of candidate compounds, and we describe some issues associated with the development of these types of screens. Subsequent characterization of hits can be a formidable challenge, especially in terms of identifying chemical targets in plant cells. A variety of powerful molecular tools are available for this characterization, not only to provide insight into methods of plant defence activation, but also to probe fundamental biological processes. Furthermore, these investigations can reveal molecules with significant commercial potential as crop protectants, although a number of factors must be considered for this potential to be realized. By highlighting recent progress in the application of chemical biology techniques for the modulation of plant-pathogen interactions, we provide some perspective on the exciting opportunities for future progress in this field of research.

Theobroxide Treatment Inhibits Wild Fire Disease Occurrence in Nicotiana benthamiana by the Overexpression of Defense-related Genes

  • Ahn, Soon Young;Baek, Kwang-Hyun;Moon, Yong Sun;Yun, Hae Keun
    • The Plant Pathology Journal
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    • v.29 no.1
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    • pp.110-115
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    • 2013
  • Theobroxide, a novel compound isolated from a fungus Lasiodiplodia theobromae, stimulates potato tuber formation and induces flowering of morning glory by initiating the jasmonic acid synthesis pathway. To elucidate the effect of theobroxide on pathogen resistance in plants, Nicotiana benthamiana plants treated with theobroxide were immediately infiltrated with Pseudomonas syringae pv. tabaci. Exogenous application of theobroxide inhibited development of lesion symptoms, and growth of the bacterial cells was significantly retarded. Semiquantitative RT-PCRs using the primers of 18 defense-related genes were performed to investigate the molecular mechanisms of resistance. Among the genes, the theobroxide treatment increased the expression of patho-genesis-related protein 1a (PR1a), pathogenesis-related protein 1b (PR1b), glutathione S-transferase (GST), allen oxide cyclase (AOC), and lipoxyganase (LOX). All these data strongly indicate that theobroxide treatment inhibits disease development by faster induction of defense responses, which can be possible by the induction of defense-related genes including PR1a, PR1b, and GST triggered by the elevated jasmonic acid.

A Study on the Concept Formation of Neishangzabing (내상잡병(內傷雜病) 개념 형성에 대한 고찰(考察))

  • Baik, You-sang
    • Journal of Korean Medical classics
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    • v.28 no.4
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    • pp.179-192
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    • 2015
  • Objectives : In this article, the concept of Neishang and Zabing and the establishment of the terms, are investigated. Methods : The literatures related to the establishment of Neishang and Zabing, for example, Huangdineijing, Shanhanlun, Jinguiyaolue etc are selected and then the analysis and investigation of the significant documents has followed. Results : The concept of Neishang originally means the group of disease caused by internal pathogens, for example, emotions in Huangdineijing; however, it has become rarely mentioned in Shanhanlun, Jinguiyaolue. The other concept, Zabing that is used once as a name of chapter in Huangdineijing means the group of diseases without exogenous diseases after Shanhanzabinglun was published. Conclusions : The concept of Neishang has divided into qiqingneishang that is caused by emotion disorders in Sanyinfang in the Song dynasty, and yinshineishang argued by Lidongyuan, a doctor in the Jinyuan dynasty: the latter has been the main meaning of Neishang. The concept of Zabing had been used as a narrow sense, the rest diseases until it was extended to a broad sense, the name of disease group except for internal and body-based diseases.

Reduced Tomato Bacterial Wilt by Ferrous Chloride Application

  • Hyeon Ji Kim;Su Min Kim;Yeon Hwa Kim;Jeong Hoon Park;Dong Ki Kang;Jae Gill Yun;Ryoung Shin;Jeum Kyu Hong
    • Research in Plant Disease
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    • v.29 no.1
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    • pp.82-87
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    • 2023
  • Exogenous ferrous chloride (FeCl2) suppressed in vitro growth of Ralstonia pseudosolanacearum, causing bacteria for tomato bacterial wilt. More than 50 μM of FeCl2 reduced the in vitro bacterial growth in dosedependent manners. Two to 200 μM of FeCl2 did not affect the fresh weight of detached tomato leaves at 3 and 5 days after the petiole dipping without the bacterial inoculation. The bacterial wilt of the detached tomato leaves was evaluated by inoculating two different inoculum densities of R. pseudosolanacearum (105 and 107 cfu/ml) in the presence of FeCl2. Bacterial wilt in the detached leaves by 105 cfu/ml was efficiently attenuated by 10-200 μM of FeCl2 at 3 and 5 days post-inoculation (dpi), but bacterial wilt by 107 cfu/ml was only reduced by 200 μM of FeCl2 at 3 and 5 dpi. These results suggest that iron nutrients can be included in the integrated disease management of tomato bacterial wilt.