학지사 뉴논문

총 1,590건 검색

본문검색 결과만 보기

정확도순

최신순

등재순

발행기간

전체
최근 1년
최근 3년
직접입력

적용하기

본문검색

포함

제외

10개씩

221.

Stretch-activated K+ Channels in Rat Atrial Myocytes

JaeBoumYoum 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 8 341-318 (8 pages)

JaeBoumYoum 저
...
- 3,000원
of ⁣80 and 0 mV and 55⁑6 pS between 0 and ⁢80 mV (n=5). Glibenclamide (100μM) or ATP (2 mM) failed to block the channel openings, indicating that it is not ATP-sensitive K⁢ channel. Arachidonic acid (30μM), which has been shown to activate a K⁢ channel cooperatively with membrane stretch, did not affect the channel activity. GdCl3 (100μM) also did not alter the activity. These results demonstrate that the mechanical stretch in rat atrial myocytes activates a...
222.

The Substates with Mutants That Negatively Charged Aspartate in Position 172 Was Replaced with Positive Charge in Murine Inward Rectifier Potassium Channel (Murine Kir2.1)

ISo, I.Ashmole, P.R.Stanfield 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 4 267-273 (7 pages)

ISo, I.Ashmole, P.R.Stanfield 저
...
- 3,000원
at substate with D172R (0.79) was similar to that with R-N dimer (0.82). In the contrary to ROMK1, positive charge as well as negative charge in position 172 can induce the substate rather than block the pore in murine Kir2.1. The single channel properties of the mutant, that is, unitary I-V relation, the voltage dependence of the mean open time and relative occupancy of the substates and the increased latency to the first opening, explain the intrinsic gating observed in whole cell recordings.
223.

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)

Hye-JeongLee, Hyun-JeongKim, Mee-SookRoh, Jae-IkLee, Sung-WonLee, Dong-SikJung, Duk-KyuKim, Mi-KyoungPark 저
...
- 3,000원
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...
224.

Enhancement of ATP-induced Currents by Phospholipase D1 Overexpressed in PC12 Cells

JinBongPark, YoungRaeKim, ByeongHwaJeon, Seung-KielPark, Sae-OckOh, YoungGeunKim, SangDoLee, KwangJinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 6 223-229 (7 pages)

JinBongPark, YoungRaeKim, ByeongHwaJeon, Seung-KielPark, Sae-OckOh, YoungGeunKim, SangDoLee, KwangJinKim 저
...
- 3,000원
cells. In whole-cell voltage-clamp mode, ATP induced transient inward and outward currents. The outward currents inhibited by TEA or charybdotoxin were significantly larger in PLD1-PC12 cells than in control cells. The inward currents known as Ca2⁢ permeable nonselective cation currents were also larger in PLD1-PC12 cells than in control cells. However, the difference between the two groups of cells disappeared in Ca2⁢-free external solution, where ATP did not activate PLD. Finally,...
225.

Comparison of Vasodilator Effects of Platycodin D and D3 in Rats

Dong-YoonLim, Byeong-CheolKim, Eun-BangLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 5 149-155 (7 pages)

Dong-YoonLim, Byeong-CheolKim, Eun-BangLee 저
...
- 3,000원
adrenergic α1-receptors. Platycodin D also caused vascular relaxation in the isolated aortic strips of the rat via the blockade of adrenergic α1-receptors, in addition to an unknown direct mechanism. However, platycodin D3 did not affect both norepinephrine-induced pressor responses and the isolated rat aortic contractile responses evoked by phenylephrine and high potassium. Based on these results, there seems to be much difference in the mode of action between platycodin D and platycodin D3.
226.

Intrinsic Gating in Inward Rectifier Potassium Channels (Kir2.1) with Low Polyamine Affinity Generated by Site Directed Mutagenesis

ISo, , IAshmole, HSoh, CSPark, PJSpencer, MLeyl, PRStanfield, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 3 131-142 (12 pages)

ISo, , IAshmole, HSoh, CSPark, PJSpencer, MLeyl, PRStanfield, 저
...
- 4,100원
reduced from 3.09⁑0.07 in wild type to 1.95⁑0.09 in D172H at pHi 6.3. In the presence of dual mutants of Kir2.1, where E224 is also replaced, spermine affinity becomes undetectable. However, channels still show inward rectification and open and shut under hyper- and depolarisation, respectively. We suggest that Kir2.1 channel are able to undergo conformation changes; these changes may be important physiologically in generating inward rectification, the normal parameters of which are...
227.

Roles of Nitric Oxide in Vestibular Compensation

Han-SeongJeong, JaeYeoulJun, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 4 73-77 (5 pages)

Han-SeongJeong, JaeYeoulJun, Jong-SeongPark 저
...
- 1,500원
The effects of nitric oxide on the vestibular function recovery following unilateral labyrinthectomy (UL) were studied. Sprague-Dawley male rats, treated with nitric oxide liberating agent sodium nitroprusside (SNP) and NOS inhibitor NG-nitro-L-arginine methyl ester (L-NAME), were subjected to destruction of the unilateral vestibular apparatus, and then spontaneous nystagmus was observed in the rat. To explore the effects of nitric oxide on the neuronal excitability, whole cell patch clamp...
228.

Effects of Noradrenaline on the Membrane Potential of Prostatic Neuroendocrine Cells of Rat

JunHeeKim, SunYoungShin, Dae-YongUhm, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 9 47-52 (6 pages)

JunHeeKim, SunYoungShin, Dae-YongUhm, SungJoonKim 저
...
- 3,000원
transient hyperpolarization and subsequent fluctuation at around ⁣40 mV on application of NA. Under voltage clamp conditions (holding voltage, ⁣40 mV) with CsCl pipette solution, NA evoked a slight inward current (＜⁣20 pA). NA induced a sharp increase of cytosolic Ca2⁢ concentration ([Ca2⁢]c), measured by the fura-2 fluorescence, and the voltage clamp study showed the presence of charybdotoxin-sensitive Ca2⁢-activated K⁢ currents. In summary, adrenergic...
229.

Thiol-dependent Redox Mechanisms in the Modification of ATP-Sensitive Potassium Channels in Rabbit Ventricular Myocytes

JinHan, NariKim, DangVanCuong, ChunghuiKim, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 4 15-23 (9 pages)

JinHan, NariKim, DangVanCuong, ChunghuiKim, EuiyongKim 저
...
- 3,000원
Cellular redox state is known to be perturbed during ischemia and that Ca2⁢ and K⁢ channels have been shown to have functional thiol groups. In this study, the properties of thiol redox modulation of the ATP-sensitive K⁢ (KATP) channel were examined in rabbit ventricular myocytes. Rabbit ventricular myocytes were isolated using a Langendorff column for coronary perfusion and collagenase. Single-channel currents were measured in excised membrane patch configuration of...
230.

Characterization of Intermediate Conductance K+ Channels in Submandibular Gland Acinar Cells

Sung-ManCho, ZhengGenPiao, YoonBaeKim, Joong-SooKim, KyungpyoPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.6 5 305-309 (5 pages)

Sung-ManCho, ZhengGenPiao, YoonBaeKim, Joong-SooKim, KyungpyoPark 저
...
- 1,500원
from all 6 cells we studied. When we increased Ca2⁢ concentration of the bath solution in inside-out mode, the IK channel activity was greatly increased, suggesting this channel is Ca2⁢ sensitive. We next examined the effect of carbachol (CCh) and isoproterenol on the activity of the IK channels. 10⁣5 M isoproterenol significantly increased the open probability (Po) from 0.08⁑0.02 to 0.21⁑0.03 (n=4, P＜0.05). Application of 10⁣5 M CCh also increased Po from...

한주간 이슈검색어