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Small GTP-binding Proteins
한국식물학회 식물학회지 1990, Vol.33 No.3 211-215 (5 pages)
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F9 기형암종 세포의 분화에 따른 small GTP-binding protein변화
한국동물학회 동물학회지 1994, Vol.37 No.1 40-48 (9 pages)
세포분화에 따른 Small GTP-binding protein의 역할을 밝히기 위하여 Retinoic acid(RA)와 dibutyryl cyclic AMP(dbcAMP)로 분화를 유도한 F9 기형암종세포의 형태적인 변화와 함께 Small GTP-binding protein의 분포를 조사하였다. RA와 dbcAMP를 처리한 세포는 분화유도 5일경(초기 분화 단계)에 분명한 세포의 경계를 보이기 시작하여 7일경(분화 후기 단계)에는 거의 모든 세포가 등근 분화된 형태로 전환되었다. 이 분화과정 동안 세포막에는 많은 microvilli와 lamellopodia 같은 구조물이 나타났다. 아울러 초기 분화 단계에 많은... -
Activation of G Proteins by Aluminum Fluoride Enhances RANKL- Mediated Osteoclastogenesis
BoryungPark, Yu-MiYang, Byung-JaiChoi, MinSeukKim, DongMinShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.5 8 427-433 (7 pages)
Receptor activator of NF-ՊB ligand (RANKL)-induced osteoclastogenesis is accompanied by intra-cellular Ca2＋ mobilization in a form of oscillations, which plays essential roles by activating sequen-tially Ca2＋/calmodulin-dependent protein kinase, calcineurin and NFATc1, necessary in the osteoclast differentiation. However, it is not known whether Ca2＋ mobilization which is evoked in RANKL-in-dependent way induces to differentiate into osteoclasts. In present study, we investigated Ca2＋... -
A Small GTPase RHO2 Plays an Important Role in Pre-infection Development in the Rice Blast Pathogen Magnaporthe oryzae
Teng Fu, Joon-Oh Kim, Joon-Hee Han, Adiyantara Gumilang, Yong-Hwan Lee, Kyoung Su Kim 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 6호 2 470-479 (10 pages)
The rice blast pathogen Magnaporthe oryzae is a global threat to rice production. Here we characterized RHO2 gene (MGG_02457) that belongs to the Rho GTPase family, using a deletion mutant. This mutant ΔMorho2 exhibited no defects in conidiation and germination but developed only 6% of appressoria in response to a hydrophobic surface when compared to the wild-type progenitor. This result indicates that MoRHO2 plays a role in appressorium development. Furthermore, exogenous cAMP treatment on the... -
Chicken RNA-binding protein T-cell internal antigen-1 contributes to stress granule formation in chicken cells and tissues
Yingjie Sun, Pin Zhang, Hang Zheng, Luna Dong, Lei Tan, Cuiping Song, Xusheng Qiu, Ying Liao, Chunchun Meng, Shengqing Yu, Chan 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 2 3-12 (10 pages)
T-cell internal antigen-1 (TIA-1) has roles in regulating alternative pre-mRNA splicing, mRNA translation, and stress granule (SG) formation in human cells. As an evolutionarily conserved response to environmental stress, SGs have been reported in various species. However, SG formation in chicken cells and the role of chicken TIA-1 (cTIA-1) in SG assembly has not been elucidated. In the present study, we cloned cTIA-1 and showed that it facilitates the assembly of canonical SGs in both human and... -
α-독으로 처리한 토끼창간막동맥에서 Norepinephrine과 GTP에 의한 마이오신 인산화의 증가에 대한 Ca2+/calmodulin-dependent Protein Kinase II의 역할
안희열(Hee Yul Ahn), 김헌식(Hun Sik Kim), Robert S. Moreland 대한약리학회 대한약리학잡지 6 Pages
대한약리학회 대한약리학잡지 1994, 제 30권 제 1호 12 111-116 (6 pages)
수용체작동약물과 GTP에 의한 수축단백질의 칼슘이온의 감수성의 증가에 대하여 Ca2+/calmodulin-dependent protein kinase II의 역할을 α-독으로 처리한 토끼장간막동맥에서 조사하였다. 0.3μM의 칼슘이온은 마이오신의 인산화를 시간의존적으로 증가시켰고 5분 이후부터 평형에 도달하였다. 한편, 10μM의 norepinephine과 10μM의 GTP는 칼슘이온 존재하에 칼슘이온 단독에 의한 것 보다 더 마이오신의 인산화를 증가시켰는데, 5분 후에 최대에 달하였고 그 후는 감소하기 시작하여 20분 후에는 칼슘이온 단독에 의한 마이오신... -
Proteomic Analysis of Differentially Expressed Proteins in Bovine Endometrium with Endometritis
ChangyongChoe, Jeong-WonPark, Eun-SukKim, Sung-GyuLee, Sun-YoungPark, Jeong-SoonLee, Myung-JeCho, KeeRyeonKang, JaeheeHan, DawonKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.4 2 205-212 (8 pages)
Endometritis is one of the primary reasons for reproductive failure. In order to investigate endometritis-associated marker proteins, proteomic analysis was performed on bovine endometrium with endometritis. In bovine endometritis, desmin, Ձ-actin-2, heat-shock protein (HSP) 27, peroxiredoxin-6, luteinizing hormone receptor isoform 1, collectin-43 precursor, deoxyribonuclease-I (DNase-I), and MHC class I heavy chain (MHC-Ih) were up-regulated. In contrast, transferrin, interleukin-2... -
The Small GTPase CsRAC1 Is Important for Fungal Development and Pepper Anthracnose in Colletotrichum scovillei
Noh-Hyun Lee, Teng Fu, Jong-Hwan Shin, Yong-Won Song, Dong-Cheol Jang, Kyoung Su Kim 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 10 607-618 (12 pages)
highly conserved small GTP-binding protein in the Rho GT- Pase family. This protein has been demonstrated to play a role in fungal development, and pathogenicity in several plant pathogenic fungi. However, the functional roles of RAC1 are not characterized in C. scovillei caus- ing anthracnose on pepper fruits. Here, we generated a deletion mutant (ΔCsrac1) via homologous recombina- tion to investigate the functional roles of CsRAC1. The ΔCsrac1 showed pleiotropic defects in fungal growth and... -
Regulation of L-type Calcium Channel Current by Somatostatin in Guinea-Pig Gastric Myocytes
YoungChulKim, JaeHoonSim, SangJinLee, TongMookKang, SungJoonKim, SeungRyulKim, SeiJinYoun, SangJeonLee, Wen-XieXu6, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.2 5 103-108 (6 pages)
To study the direct effect of somatostatin (SS) on calcium channel current (IBa) in guinea-pig gastric myocytes, IBa was recorded by using whole-cell patch clamp technique in single smooth muscle cells. Nicardipine (1μM), a L-type Ca2+ channel blocker, inhibited IBa by 98⁑1.9% (n=5), however IBa was decreased in a reversible manner by application of SS. The peak IBa at 0 mV were decreased to 95⁑1.1, 92⁑1.9, 82⁑4.0, 66⁑5.8, 10⁑2.9% at 1010, 109,...
