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Role of Shc and Phosphoinositide 3-Kinase in Heregulin-Induced Mitogenic Signaling via ErbB3
MyongSooKimJohnG.Kol 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.6 9 497-506 (10 pages)
ErbB3/HER3 is a cell surface receptor which belongs to the ErbB/HER subfamily of receptor protein tyrosine kinases. When expressed in NIH/3T3 cells, ErbB3 can form heterodimeric coreceptor with endogenous ErbB2. Among known intracellular effectors of the ErbB2/ErbB3 are mitogen-activated protein kinase (MAPK) and phosphoinositide (PI) 3-kinase. In the present study, we studied relative contributions of above two distinct signaling pathways to the heregulin-induced mitogenic response via... -
사염화 탄소에 의한 간손상에 있어 Kupffer cell 칼슘의 역할
양미라(Mie-rha Yang) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1996, 제 32권 제 1호 9 75-82 (8 pages)
사염화 탄소에 의한 과산화 지질 증가 및 간 손상에 calcium 및 Kupffer cell의 역할 및 calcium channel blocker의 간 손상에 대한 방어 효과를 연구하였다. 사염화 탄소는 (1 gm/kg, ig) 간의 malondialdehyde (nmole/gm liver) 및 혈중 AST와 ALT (lU/ml) 활성도의 현저한 증가를 나타내었다. 고 농도의 Retinol (250,000U/kg/day)로 인한 Kupffer cell의 활성 증가는 사염화 탄소에 의한 간 과산화 지질 증가 및 간 손상에 상승 작용을 나타낸 반면, GdCl3 전처리는 CCl4로 인한 ALT의 증가를 감소시켰다. 한편 Retinol 처치군에... -
골격근 근장그물 칼슘이동에 대한 Phospholamban 펩타이드의 조절
김혜원(Hae Won Kim), 이희란(Hee Ran Lee) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1994, 제 30권 제 1호 13 117-124 (8 pages)
Phospholamban 펩타이드는 phosphatidylcholine을 이용하여 재조합된 vesicles의 초기 Ca2+ uptake rate를 억제하고, cAMP 의존성 protein kinase의 catalytic subunit로 인산화시킨 phospholamban 펩타이드는 이 억제를 반전시킴을 보여 주었다. Phosphatidylcholine과 phosphatidylserine을 포함한 제조합 vesicles에서도 같은 양상을 보였다. 이상의 결과로 미루어 볼 때 인산화 sites를 포함하고 있는 phospholamban의 cytoplasmic domain은 그 자체만으로도 근장그물 칼슘펌프를 억제하기에 충분하다고 결론지을 수 있다. -
사람의 백혈구 내에 있는 Elestase: 순수부리, 금속이온의 화학량, 그리고 Chelating 효과에 의한 활성도 조절
강구일(Koo-Il Kang) 대한약리학회 대한약리학잡지 14 Pages
대한약리학회 대한약리학잡지 1988, 제 24권 제 1호 12 111-124 (14 pages)
사람의 혈액으로부터 Elastase를 분리하는 새로운 방법을 개발하여 순도 높은 효소를 얻고 이 효소에 의하여 발생되어지는 질병의 예방과 치료에 응용하기 위하여 이 효소의 근본적인 성질규명을 시도하였다. 정제 방법으로는 Sephodex G-75를 이용한 1회의 액체 크로마토그라피와 HPLC을 이용한 2회의 코마토그라피를 거치는 2단계 방법을 사용하였다. 이때 얻어진 효소는 분자량이 26,000 ~ 29,700 사이에 있는 3개의 다른 분자량을 가진 물질로 확인되었으며, 항체 반응에서 사람의 결구내 Elastase의 특성을 나타내었다. 함유하고... -
Comparative Genomic Analysis of Pathogenic Factors of Pectobacterium Species Isolated in South Korea Using Whole-Genome Sequencing
Samnyu Jee, In-Jeong Kang, Gyeryeong Bak, Sera Kang, Jeongtae Lee, Sunggi Heu, Ingyu Hwang 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 1호 2 12-24 (13 pages)
In this study, we conducted whole-genome sequenc- ing with six species of Pectobacterium composed of seven strains, JR1.1, BP201601.1, JK2.1, HNP201719, MYP201603, PZ1, and HC, for the analysis of patho- genic factors associated with the genome of Pectobac- terium. The genome sizes ranged from 4,724,337 bp to 5,208,618 bp, with the GC content ranging from 50.4% to 52.3%. The average nucleotide identity was 98% among the two Pectobacterium species and ranged from 88% to 96% among the remaining... -
Bacteriophage Usage for Bacterial Disease Management and Diagnosis in Plants
Nguyen Trung Vu, Chang-Sik Oh 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 3호 2 204-217 (14 pages)
In nature, plants are always under the threat of pests and diseases. Pathogenic bacteria are one of the ma- jor pathogen types to cause diseases in diverse plants, resulting in negative effects on plant growth and crop yield. Chemical bactericides and antibiotics have been used as major approaches for controlling bacterial plant diseases in the field or greenhouse. However, the appearance of resistant bacteria to common antibiot- ics and bactericides as well as their potential negative effects... -
Ralstonia solanacearum Type III Effectors with Predicted Nuclear Localization Signal Localize to Various Cell Compartments and Modulate Immune Responses in Nicotiana spp.
Hyelim Jeon, Wanhui Kim, Boyoung Kim, Sookyeong Lee, Jay Jayaraman, Gayoung Jung, Sera Choi, Kee Hoon Sohn, C?cile Segonzac 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 1호 4 43-53 (11 pages)
Ralstonia solanacearum (Rso) is a causal agent of bacterial wilt in Solanaceae crops worldwide including Republic of Korea. Rso virulence predominantly relies on type III secreted effectors (T3Es). However, only a handful of Rso T3Es have been characterized. In this study, we investigated subcellular localization of and manipulation of plant immunity by 8 Rso T3Es predicted to harbor a nuclear localization signal (NLS). While 2 of these T3Es elicited cell death in both Nicotiana benthamiana and... -
Natural Variation in Virulence of Acidovorax citrulli Isolates That Cause Bacterial Fruit Blotch in Watermelon, Depending on Infection Routes
Yu-Rim Song, In Sun Hwang, Chang-Sik Oh 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 1호 3 29-42 (14 pages)
Acidovorax citrulli causes bacterial fruit blotch in Cucurbitaceae, including watermelon. Although A. citrulli is a seed-borne pathogen, it can cause diverse symptoms in other plant organs like leaves, stems and fruits. To determine the infection routes of A. citrulli, we examined the virulence of six isolates (Ac0, Ac1, Ac2, Ac4, Ac8, and Ac11) on watermelon using several inoculation methods. Among six isolates, DNA polymorphism reveals that three isolates Ac0, Ac1, and Ac4 belong to Clonal... -
siRNAs Derived from Cymbidium Mosaic Virus and Odontoglossum Ringspot Virus Down-modulated the Expression Levels of Endogenous Genes in Phalaenopsis equestris
Han-hong Lan, Cui-mei Wang, Shuang-shuang Chen, Jian-ying Zheng 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 11 508-520 (13 pages)
Interplay between Cymbidium mosaic virus (CymMV)/ Odontoglossum ringspot virus (ORSV) and its host plant Phalaenopsis equestris remain largely unknown, which led to deficiency of effective measures to control disease of P. equestris caused by infecting viruses. In this study, for the first time, we characterized viral small interfering RNAs (vsiRNAs) profiles in P. equestris co-infected with CymMV and ORSV through small RNA sequencing technology. CymMV and ORSV small interfering RNAs (siRNAs)... -
Characterization of Burkholderia glumae Putative Virulence Factor 11 (PVF11) via Yeast Two-Hybrid Interaction and Phenotypic Analysis
Juyun Kim, Namgyu Kim, Mohamed Mannaa, Hyun-Hee Lee, Jong-Seong Jeon, Young-Su Seo 한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 3호 9 280-286 (7 pages)
In this study, PVF11 was selected among 20 candidate pathogenesis-related genes in Burkholderia glumae based on its effect on virulence to rice. PVF11 was found to interact with several plant defense-related WRKY proteins as evidenced through yeast-two hybrid analysis (Y2H). Moreover, PVF11 showed interactions with abiotic and biotic stress response-related rice proteins, as shown by genome-wide Y2H screening employing PVF11 and a cDNA library from B. glumaeinfected rice. To confirm the effect...
