자료유형
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Snail Switches 5-FU-induced Apoptosis to Necrosis through Akt/PKB Activation and p53 Down-regulation
이수연, 전현민, 주민경, 김초희, 정의경, 박혜경, 강호성, Lee. Su-Yeon, Jeon. Hyun-Min, Ju. Min-Kyung, Kim. Cho-Hee, Jeong. Eui-Kyong, Park. Hye-Gyeong, Kang. Ho-Su 한국생명과학회 생명과학회지 6 Pages
한국생명과학회 생명과학회지 2012, Vol.22 No.8 1018-1023 (6 pages)
세포사멸이 억제되고 세포괴사가 일어남을 확인하였다. DOX 처리 및 Snail expression vectors인 pCR3.1-Snail-Flg와 phosphorylation-resistant mutant Snail vector인 pCR3.1-S104, 107A Snail-Flg을 이용하여 Snail을 과발현 시킨 경우 ERK1/2의 활성에는 영향을 주지 않는 반면 PTEN 발현억제 및 불활성화, 그리고 Akt/PKB 활성화가 유도됨을 관찰하였다. 또한, Snail은 5-FU에 의한 p53의 발현을 억제한다는 사실을 확인하였다. 따라서 Snail은 prosurvival kinase인 Akt/PKB의 활성화와 p53 억제를 통해 5-FU에 의한 세포사멸을... -
Direct tyrosine phosphorylation of Akt/PKB by epidermal growth factor receptor
배순식, 최장현, 윤성지, 김은경, 오용석, 김치대, 서판길, Bae. Sun-Sik, Choi. Jang-Hyun, Yun. Sung-Ji, Kim. Eun-Kyung, Oh. Yong-Suk, Kim. Chi-Dae, Suh. Pann-Ghill 한국생명과학회 생명과학회지 7 Pages
한국생명과학회 생명과학회지 2007, Vol.17 No.2 185-191 (7 pages)
Akt/PKB는 세포의 증식, 분화, 사멸, 혈관신생 등 매우 많은 생리활성 조절에 있어 매우 중요한 역할을 수행한다. 우리는 Akt/PKB의 tyrosine잔기의 인산화가 $Thr^{308}$ 인산화에 필수적임을 밝혔다. COS-7 세포주에 EGF를 처 리하면 Akt/PKB의 tyrosine 잔기에 인산화가 촉진되었으며 이러한 인산화 촉진은 Akt/PKB에 myristoylation site를 이용해 세포막으로 이동시키면 더욱 더 증가하였다. 특히, 분리된 Akt/PKB와 EGF 수용체를 이용해 인산화 반응을 실시하면 tyrosine잔기의 인산화뿐만 아니라 $Ser^{473}$에 대한 인산화도... -
대장균을 이용한 Akt/PKB Protein Kinase의 발현 및 활성화
이재학, Lee. Jae-Hag 한국미생물생명공학회 한국미생물·생명공학회지 5 Pages
한국미생물생명공학회 한국미생물·생명공학회지 2009, Vol.37 No.2 105-109 (5 pages)
중 serine/threonine kinase에 속하는 Akt/PKB는 세포 생존과 사멸, 당대사 등을 조절하는 것으로 알려져 있다. 이러한 이유로, Akt/PKB 단백질은 천연물질들로부터 항암제를 탐색하기 위한 한 가지 target으로 사용되어 왔다. 본 연구에서는 Akt/PKB 단백질을 대량으로 생산하기 위하여 대장균의 단백질 발현 시스템을 이용하여 human Akt/PKB 단백질을 발현시켰다. 대장균에서 대량 발현된 Akt는 일반적인 조건에서는 inclusion body를 형성하였다. 배양온도 $27^{circ}C$에서 0.01-0.09 mM IPTG로 발현 유도 시 발현된 human Akt/PKB... -
Activation of Akt/PKB at Serine 473 by N-acetylphytosphingosine (NAPS) and $C_{2}-ceramide$ Reduces Melanin Synthesis in B16F10 Mouse Melanoma Cells
Yi. Seh-Yoon, Han. Seon-Kyu, Park. Mee-Kyung, Yoo. Young-Sook 대한독성유전단백체학회 Molecular & cellular toxicology 8 Pages
대한독성유전단백체학회 Molecular & cellular toxicology 2006, Vol.2 No.2 81-88 (8 pages)
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Insulin-like growth factor-1 improves diabetic cardiomyopathy through antioxidative and anti-inflammatory processes along with modulation of Akt/GSK-3β signaling in rats
ChengYuWang, XiangDanLiZhiHongHao, DongyuanXu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.6 7 613-619 (7 pages)
kinase (GSK-3β). IGF-1 treatment, however, attenuated the metabolic abnormalities and myocardial apoptosis, interstitial fibrosis, oxidative stress and inflammation seen in diabetic rats, while also increasing the phosphorylation levels of Akt and GSK-3β. These findings suggest that IGF-1 ameliorates the pathophysiological progress of DCM along with an activation of the Akt/GSK-3β signaling pathway. Our findings suggest that IGF-1 could be a potential therapeutic choice for controlling DCM. -
Lnk is an important modulator of insulin-like growth factor-1/Akt/peroxisome proliferator-activated receptor-gamma axis during adipogenesis of mesenchymal stem cells
JunHeeLee, SangHunLee, HyangSeonLee, SeungTaekJi, SeokYunJung, JaeHoKim, 6, SunSikBae, Sang-MoKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.5 3 459-466 (8 pages)
that IGF-1-induced increase in the phosphorylation of Akt and mammalian target of rapamycin was triggered by the dissociation of the IGF-1R–Lnk complex. Expression levels of a pivotal transcription factor peroxisome proliferatoractivated receptor gamma (PPAR-γ) and its adipogenic target genes (LPL and FABP4) significantly decreased in Lnk –/– MSCs. These results suggested that Lnk adaptor protein regulated the adipogenesis of MSCs through the IGF-1/Akt/PPAR-γ pathway. -
Activation of Akt/protein kinase B mediates the protective effects of mechanical stretching against myocardial ischemia-reperfusion injury
Chan-Hyung Kim*, Jia Hao, Hee-Yul Ahn, Si Wook Kim* 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 3호 4 235-244 (10 pages)
Akt/protein kinase B is a well-known cell survival factor and activated by many stimuli including mechanical stretching. Therefore, we evaluated the cardioprotective effect of a brief mechanical stretching of rat hearts and determined whether activation of Akt through phosphatidylinositol 3-kinase (PI3K) is involved in stretch-induced cardioprotection (SIC). Stretch preconditioning reduced infarct size and improved post- ischemic cardiac function compared to the control group. Phosphorylation of... -
Inhibition of eNOS/sGC/PKG Pathway Decreases Akt Phosphorylation Induced by Kainic Acid in Mouse Hippocampus
SangHyunLee, JongSeonByun, PilJaeKong, HeeJaeLee, DukKyungKim, HaeSungKim, Jong-HeeSohn, JaeJunLee, , SoYoungLim, WanjooChun, SungSooKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.1 6 37-43 (7 pages)
The serine/threonine kinase Akt has been shown to play a role of multiple cellular signaling pathways and act as a transducer of many functions initiated by growth factor receptors that activate phosphatidylinositol 3-kinase (PI3K). It has been reported that phosphorylated Akt activates eNOS resulting in the production of NO and that NO stimulates soluble guanylate cyclase (sGC), which results in accumulation of cGMP and subsequent activation of the protein kinase G (PKG). It has been also... -
Comparative Effects of PKB-α and PKC-ζ on the Phosphorylation of GLUT4-Containing Vesicles in Rat Adipocytes
Jong-SikHah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.6 7 479-486 (8 pages)
B (PKB)/Akt and PKC-ζ, those are known as the downstream target of PI3-kinase in regulation of GLUT4 translocation, is not known yet. An interesting possibility is that these protein kinases phosphorylate GLUT4 directly in this process. In the present study, PKB-α and PKC-ζ were added exogenously to GLUT4-containing vesicles purified from low density microsome (LDM) of the rat adipocytes by immunoadsorption and immunoprecipitation for direct phosphorylation of GLUT4. Interestingly GLUT4 was... -
Murrayafoline A Induces a G0/G1-Phase Arrest in Platelet-Derived Growth Factor-Stimulated Vascular Smooth Muscle Cells
Joo-HuiHan, YohanKim, Sang-HyukJung, Jung-JinLee, Hyun-SooPark, Gyu-YongSong, NguyenManhCuong, YoungHoKim, Chang-SeonMyung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.5 4 421-426 (6 pages)
The increased potential for vascular smooth muscle cell (VSMC) growth is a key abnormality in the development of atherosclerosis and post-angioplasty restenosis. Abnormally high activity of plate-let-derived growth factor (PDGF) is believed to play a central role in the etiology of these pathophy-siological situations. Here, we investigated the anti-proliferative effects and possible mechanism(s) of murrayafoline A, a carbazole alkaloid isolated from Glycosmis stenocarpa Guillamin (Rutaceae), on... -
Molecular Target Therapy of AKT and NF-kB Signaling Pathways and Multidrug Resistance by Specific Cell Penetrating Inhibitor Peptides in HL-60 Cells
Davoudi. Zahra, Akbarzadeh. Abolfazl, Rahmatiyamchi. Mohammad, Movassaghpour. Ali Akbar, Alipour. Mohsen, Nejati-Koshki. Kazem, Sadegh 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP 6 Pages
아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP 2014, Vol.15 No.10 4353-4358 (6 pages)
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Melatonin Induces Akt Phosphorylation through Melatonin Receptor- and PI3K-Dependent Pathways in Primary Astrocytes
Pil-JaeKong, Jong-SeonByun, So-YoungLim, Jae-JunLee, Sung-JunHong, , Kwang-JunKwon, Sung-SooKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.2 1 37-42 (6 pages)
increased Akt activation was also significantly decreased with luzindole, a non-selective melatonin receptor antagonist. As downstream signaling pathway of Akt activation, increased levels of CREB phoshorylation and GDNF expression were observed, which were also attenuated with wortmannin and luzindole. These results strongly suggest that melatonin exerts its neuroprotective property in astrocytes through the activation of plasma membrane receptors and then PI3K-Akt signaling pathway. -
Inhibitory effects of resveratrol on hepatitis B virus X protein-induced hepatocellular carcinoma
Seungmo Park, Jihae Lim, Jong Rhan Kim, Seongbeom Cho 대한수의학회 Journal of Veterinary Science 11 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 4호 1 419-429 (11 pages)
Akt but not the ERK signaling pathway. Collectively, the results indicate that resveratrol inhibits Huh7-HBx proliferation by decreasing cyclin D1 expression through blockade of Akt signaling. We investigated the anticarcinogenic effect and mechanism of resveratrol in xenograft model mice implanted with Huh7-HBx cells. Intraperitoneal resveratrol injection reduced tumor size in the mice. Expression of survivin was reduced, but cyclin D1 was not affected. The results demonstrate that resveratrol... -
Aerosol delivery of kinase-deficient Akt1 attenuates Clara cell injury induced by naphthalene in the lungs of dual luciferase mice
Arash Minai-Tehrani, Young-Chan Park, Soon-Kyung Hwang, Jung-Taek Kwon, Seung-Hee Chang, Sung-Jin Park, Kyeong-Nam Yu, Ji-Eun Ki 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 4호 2 309-317 (9 pages)
ERK-related signaling, and induced Clara cell injury. However, Clara cell injury induced by naphthalene was considerably attenuated in mice exposed to Akt1 KD. Furthermore, a dual luciferase activity assay showed that aerosol delivery of Akt1 WT and naphthalene treatment enhanced cap-dependent protein translation, while reduced cap-dependent protein translation was observed after delivering Akt1 KD. These studies demonstrated that our aerosol delivery is compatible for in vivo gene delivery. -
Synergistic effect of ERK inhibition on tetrandrine-induced apoptosis in A549 human lung carcinoma cells
Hyun Sun Cho, Seung Hee Chang, Youn Sun Chung, Ji Young Shin, Sung Jin Park, Eun Sun Lee, Soon Kyung Hwang, Jung Taek Kwon, Aras 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 4 23-28 (6 pages)
of ERK using PD98059 synergistically enhanced the TET-induced apoptosis of A549 cells whereas the inhibition of Akt using LY294002 had a less significant effect. Taken together, our results suggest that TET: i) selectively inhibits the proliferation of lung cancer cells by blocking Akt activation and ii) increases apoptosis by inhibiting ERK. The treatment of lung cancers with TET may enhance the efficacy of chemotherapy and radiotherapy and increase the apoptotic potential of lung cancer cells. -
Expression of caveolin-3 as positive intracellular signaling regulator on the development of hypertrophy in cardiac tissues
JooHeonKim, JinHan, YongKwonKim, YoungAeYang, YongGeunHong 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 8 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2005, 제 45권 제 4호 12 537-544 (8 pages)
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Pitavastatin Regulates Ang II Induced Proliferation and Migration via IGFBP-5 in VSMC
YuMiHa, Ju-OckNam, YoungJinKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.6 4 499-506 (8 pages)
Angiotensin II (Ang II), a key mediator of hypertensive, causes structural changes in the arteries (vascular remodeling), which involve alterations in cell growth, vascular smooth muscle cell (VSMC) hypertrophy. Ang II promotes fibrotic factor like IGFBP5, which mediates the profibrotic effects of Ang II in the heart and kidneys, lung and so on. The purpose of this study was to identify the signaling pathway of IGFBP5 on cell proliferation and migration of Ang II-stimulated VSMC. We have been... -
p38 MAPK Participates in Muscle-Specific RING Finger 1-Mediated Atrophy in Cast-Immobilized Rat Gastrocnemius Muscle
JunghwanKim, Kyung-JongWon, HwanMyungLee, Byong-YongHwang, Young-MinBae, WhanSooChoi, HyukSong, KiWonLim, Chang-KwonLee, BokyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.6 13 491-496 (6 pages)
Skeletal muscle atrophy is a common phenomenon during the prolonged muscle disuse caused by cast immobilization, extended aging states, bed rest, space flight, or other factors. However, the cellular mechanisms of the atrophic process are poorly understood. In this study, we investigated the involvement of mitogen-activated protein kinase (MAPK) in the expression of muscle-specific RING finger 1 (MuRF1) during atrophy of the rat gastrocnemius muscle. Histological analysis revealed that cast... -
Hexane-Soluble Fraction of the Common Fig, Ficus carica, Inhibits Osteoclast Differentiation in Murine Bone Marrow-Derived Macrophages and RAW 264.7 Cells
YoungRanPark, JaeSoonEun, HwaJungChoi, ManojNepal, DaeKeunKim, Seung-YongSeo, RihuaLi, WooSungMoon, Nam-PyoCho, Sung-DaeCho, TaeSungBae, By 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.6 2 417-424 (8 pages)
Osteoclasts, derived from multipotent myeloid progenitor cells, play homeostatic roles in skeletal modeling and remodeling, but may also destroy bone in pathological conditions such as osteoporosis and rheumatoid arthritis. Osteoclast development depends critically on a differentiation factor, the receptor activator of NF-ՊB ligand (RANKL). In this study, we found that the hexane soluble fraction of the common fig Ficus carica (HF6-FC) is a potent inhibitor of osteoclastogenesis in... -
Inhibition of Angiotensin II-Induced Vascular Smooth Muscle Cell Hypertrophy by Different Catechins
YingZheng, HyeJinSong, SeokHeeYun, YeonJeongChae, HaoJia, ChanHyungKim, TaeSunHa, AgapiosSachinidis, HeeYulAhn, SraT.Davidge 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.2 7 117-124 (8 pages)
A cumulative evidence indicates that consumption of tea catechin, flavan-3-ol derived from green tea leaves, lowers the risk of cardiovascular diseases. However, a precise mechanism for this cardiovascular action has not yet been fully understood. In the present study, we investigated the effects of different green tea catechins, such as epigallocatechin-3 gallate (EGCG), epigallocatechin (EGC), epicatechin-3 gallate (ECG), and epicatechin (EC), on angiotensin II (Ang II)-induced hypertrophy in... -
Low dietary inorganic phosphate affects the lung growth of developing mice
Cheng-Xiong Xu, Hua Jin, Youn-Sun Chung, Ji-Young Shin, Soon-Kyung Hwang, Jung-Taek Kwon, Sung-Jin Park, Eun-Sun Lee, Arash Mina 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 2호 3 105-113 (9 pages)
Inorganic phosphate (Pi) plays a critical role in diverse cellular functions, and regulating the Pi balance is accomplished by sodium-dependent Pi co-transporter (NPT). Pulmonary NPT has recently been identified in mammalian lungs. However, to date, many of the studies that have involved Pi have mainly focused on its effect on bone and kidney. Therefore, current study was performed to discover the potential effects of low Pi on the lung of developing transgenic mice expressing the... -
Quercetin induces apoptosis and cell cycle arrest in triple-negative breast cancer cells through modulation of Foxo3a activity
LichThiNguyen, Yeon-HeeLee, AshishRanjanSharma, Jong-BongPark, SupriyaJagga, GarimaSharma, Sang-SooLee, Ju-SukNam 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 8 205-213 (9 pages)
Quercetin, a plant-derived flavonoid found in fruits, vegetables and tea, has been known to possess bioactive properties such as anti-oxidant, anti-inflammatory and anti-cancer. In this study, anti-cancer effect of quercetin and its underlying mechanisms in triple-negative breast cancer cells was investigated. MTT assay showed that quercetin reduced breast cancer cell viability in a time and dose dependent manner. For this, quercetin not only increased cell apoptosis but also inhibited cell... -
Resveratrol attenuates lipopolysaccharide-induced dysfunction of blood-brain barrier in endothelial cells via AMPK activation
MinHu, BoLiu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.4 1 325-332 (8 pages)
Resveratrol, a phytoalexin, is reported to activate AMP-activated protein kinase (AMPK) in vascular cells. The blood-brain barrier (BBB), formed by specialized brain endothelial cells that are interconnected by tight junctions, strictly regulates paracellular permeability to maintain an optimal extracellular environment for brain homeostasis. The aim of this study was to elucidate the effects of resveratrol and the role of AMPK in BBB dysfunction induced by lipopolysaccharide (LPS). Exposure of... -
Ursolic Acid-Induced Elevation of Serum Irisin Augments Muscle Strength During Resistance Training in Men
HyunSeokBang, DaeYunSeo, YongMinChung, Kyoung-MoOh, JungJunPark, FigueroaArturo6, Seung-HunJeong, NariKim, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.5 13 441-446 (6 pages)
Ursolic acid (UA), a type of pentacyclic triterpenoid carboxylic acid purified from natural plants, can promote skeletal muscle development. We measured the effect of resistance training (RT) with/without UA on skeletal muscle development and related factors in men. Sixteen healthy male participants (age, 29.37±5.14 years; body mass index=27.13±2.16 kg/m2) were randomly assigned to RT (n=7) or RT with UA (RT+UA, n=9) groups. Both groups completed 8 weeks of intervention consisting of 5 sets of... -
Multiple Effects of a Novel Epothilone Analog on Cellular Processes and Signaling Pathways Regulated by Rac1 GTPase in the Human Breast Cancer Cells
HongZhang, FanAn, LiTang, RongguoQiu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 4 109-120 (12 pages)
significantly inhibited, but the phosphorylation of JNK remained the same after UTD2 treatment. Moreover, UTD2 inhibited the activity and mRNA expression of MMP-2, which plays a key role in cell motility. UTD2 also reduced the phosphorylation of Akt, which is an important signaling kinase regulating the cell survival through Rac1. Furthermore, UTD2 interrupted the synergy between Rac1 and Raf in focus formation assays. Taken together, these results indicated that UTD2 exerted multiple effects on... -
Acute Hypoxia Activates an ENaC-like Channel in Rat Pheochromocytoma (PC12) Cells
YeonJuBae, Jae-ChealYoo, NammiPark, DawonKang, JaeheeHan, EunmiHwang, Jae-YongPark, Seong-GeunHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.1 9 57-64 (8 pages)
Cells can resist and even recover from stress induced by acute hypoxia, whereas chronic hypoxia often leads to irreversible damage and eventually death. Although little is known about the response(s) to acute hypoxia in neuronal cells, alterations in ion channel activity could be preferential. This study aimed to elucidate which channel type is involved in the response to acute hypoxia in rat pheochromocytomal (PC12) cells as a neuronal cell model. Using perfusing solution saturated with 95% N2... -
The Neuroprotective Potential of Cyanidin-3-glucoside Fraction Extracted from Mulberry Following Oxygen-glucose Deprivation
MohammadIqbalHossainBhuiyan, Hyun-BokKim, SeongYunKim, Kyung-OkCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 6 353-362 (10 pages)
In this study, cyanidin-3-glucoside (C3G) fraction extracted from the mulberry fruit (Morus alba L.) was investigated for its neuroprotective effects against oxygen-glucose deprivation (OGD) and glutamate-induced cell death in rat primary cortical neurons. Cell membrane damage and mitochondrial function were assessed by LDH release and MTT reduction assays, respectively. A time-course study of OGD-induced cell death of primary cortical neurons at 7 days in vitro (DIV) indicated that neuronal... -
Decreased Expression of PTEN in Olfactory Bulb of Rat Pub after Naris Closure
JaeyoungCho, Sang-HyunLee, GeonHeeLee, WanjooChun, Yee-TaePark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.1 3 17-20 (4 pages)
PTEN (phosphatase and tensin homolog) is a dual specific phosphatase antagonizing phosphoinositide 3-kinase activity, and has first been cloned as a tumor suppressor for glioma. Although the role of PTEN as a tumor suppressor has been well studied, little is known about signaling mechanisms regulating expression and/or activity of PTEN in the central nervous system. In this study, we investigated whether PTEN expression is regulated by sensory deprivation. P5 rat pups were unilaterally... -
Prevention of Diabetes Using Adenoviral Mediated Hepatocyte Growth Factor Gene Transfer in Mice
Hye-JeongLee, Hyun-JeongKim, Mee-SookRoh, Jae-IkLee, Sung-WonLee, Dong-SikJung, Duk-KyuKim, Mi-KyoungPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 3 261-266 (6 pages)
Type 1 diabetes is an organ-specific autoimmune disease caused by the cytotoxic T cells-mediated destruction of the insulin-producing beta cells in the Langerhans pancreatic islets. Hepatocyte growth factor (HGF) is a potent mitogen and a promoter of proliferation of insulin producing beta cells of pancreatic islets. To study the role of HGF via viral vector in the development of streptozotocin (STZ)-induced diabetes in mice, we have developed an adenoviral vector genetically engineered to carry...
