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421.

Role of Na+-K+ Pump on Endothelium-dependent Relaxation

Sung, Sang-Hyun, Roh, Joon-Ryang, Park, Tae-Sic, Suh, Suk-Hyo, Hwang, Sang-Ik, Kim, Ki-Whan 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 8 199-208 (10 pages)

Sung, Sang-Hyun, Roh, Joon-Ryang, Park, Tae-Sic, Suh, Suk-Hyo, Hwang, Sang-Ik, Kim, Ki-Whan 저
...
- 3,000원
To study the underlying mechanism through which the endothelium-dependent relaxation is inhibited by blocking the Na+ -K+ pump, the effects of Na+ -K+ pump blockade on the release of EDRF and its relaxing activity were examined, using organ bath study, bioassay technique, and cGMP measurement. Endothelium-dependent relaxation was attenuated by blocking the Na+ -K+ pump in the vascular ring with intact endothelium. In bioassay experiment EDRF release was decreased with the blockade of the Na+...
422.

Effect of Nifedipine on Endocrine and Cardiovascular Responses to Angiotensin II in SHR Fed with Different Sodium Diets

Choi, Eun-Kyung, Park, Yoon-Yub, Ahn, Dong-Kuk, Park, Jae-Sik, Lee, Won-Jung 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 1호 6 57-66 (10 pages)

Choi, Eun-Kyung, Park, Yoon-Yub, Ahn, Dong-Kuk, Park, Jae-Sik, Lee, Won-Jung 저
...
- 3,000원
Effects of a voltage dependent calcium channel antagonist, nifedipine, on the responses of blood pressure, and secretion of atrial natriuretic peptide (ANP) and aldosterone to angiotensin II (Ang II) were compared in male Wistar and spontaneously hypertensive rats (SHR). A low, control or high sodium diet (2, 10 or 25 mmol Na/100 g diet) was fed for 6 weeks from the age of 6 weeks. On the morning of the experiment catheters were inserted under ether anesthesia in the femoral artery for pressure...
423.

Ventilatory Responses to Continuous Negative Pressure Breathing(CNPB) in Awake Dogs

Cha, Eun-Jong, Goo, Yong-Sook 대한생리학회 대한생리학회지 14 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 1호 4 37-50 (14 pages)

Cha, Eun-Jong, Goo, Yong-Sook 저
...
- 4,300원
Ventilatory responses to inhaled CO2 were measured during continuous negative pressure breathing (CNPB) in awake dogs. End expiratory lung volume (EELV) decreased linearly with pressure level during CNPB (correlation coefficient= 0.81, p<0.005) during air breathing. When CNPB was applied during 5% CO2 inhalation, the decrease in EELV was not significantly different (p<0.5) from that during air breathing. As a result of a lowered EELV, tidal volume (VT) significantly decreased by 22% and...
424.

Effects of the Endothelium on the Contractile Responses to Norepinephrine in Isolated Proximal and Distal Coronary Artery of Pigs

Kim, Jong-Hoon, Jeon, Byeong-Hwa, Chang, Seok-Jong, Park, Hae-Kun 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 1호 3 27-36 (10 pages)

Kim, Jong-Hoon, Jeon, Byeong-Hwa, Chang, Seok-Jong, Park, Hae-Kun 저
...
- 3,000원
Effects of the endothelium on the contractile responses to norepinephrine (NE) were investigated in isolated helical strips of the proximal and distal coronaries artery of pigs. The helical strips were immersed in Tris-buffered Tyrode s solution equilibrated with 100% O2 at 35℃ and its isometric tension was measured. NE relaxed the strips precontracted with acetylcholine from both the proximal and distal coronary artery. NE-induced relaxation, which might be induced mainly by β-adrenoceptor...
425.

Role of Endogenous Nitric Oxide in the Vasorelaxation Induced by High Calcium Environment in vitro

Lee, Jong-Eun, Lee, Byung-Kook, Ahn, Hyun-Taek, Ahn, Byoung-Hee, Kang, Jung-Chaee 대한생리학회 대한생리학회지 6 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 2호 3 123-128 (6 pages)

Lee, Jong-Eun, Lee, Byung-Kook, Ahn, Hyun-Taek, Ahn, Byoung-Hee, Kang, Jung-Chaee 저
...
- 3,000원
The present study was undertaken to examine if endogenous nitric oxide is partly responsible for the high calcium induced vasorelaxation in vitro. Isolated porcine coronary arterial rings were suspended in the tissue chamber and their changes in isometric tension were recorded. KCI little affected the vascular tension in the calcium free media, but subsequent addition of cumulative doses of CaCl3 from 1 to 40 mM caused a contraction followed by complete relaxation. The maximum tension was noted...
426.

Role of Rostroventrolateral Medulla in Somatosympathetic Pressor and Depressor Response Evoked by Peripheral Nerve Stimulation

Jun, Jae-Yeoul, Yeum, Cheol-Ho, Goo, Yong-Sook, Kim, Jun 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1991, 제 25권 제 2호 10 201-210 (10 pages)

Jun, Jae-Yeoul, Yeum, Cheol-Ho, Goo, Yong-Sook, Kim, Jun 저
...
- 3,000원
The rostral ventrolateral medulla (RVLM) has been established recently as a sympathoexcitatory area. The present study was conducted to investigate whether the somatosympathetic pressor and/or depressor responses are mediated through RVLM in cats anesthetized with α-chloralose. An occipital craniectomy was performed and ventrolateral medulla were stimulated either electrically or chemically to evoke changes in arterial blood pressure. And then the effect of lesions in the ventrolateral medulla...
427.

Mechanisms of Contraction Induced by Sodium Depletion in the Rabbit Renal Artery

Kim, Se-Hoon, Chang, Seok-Jong, 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1991, 제 25권 제 2호 6 159-170 (12 pages)

Kim, Se-Hoon, Chang, Seok-Jong, 저
...
- 4,100원
In the rabbit renal artery, mechanisms of contraction by sodium depletion were investigated. The helical strips of isolated renal artery were immersed in the Tris-buffered salt solution. The contractions were recorded isometrically using a strain-gauge transducer. Na-free solution (Na was substituted by Li, choline or sucrose) produced contractions which were dependent on the nature of the Na substitutes. Na-free solution (choline) produced the contraction in ouabain-pretreated artery (Na loaded...
428.

토끼 기관평활근 수축에서 G Protein의 역할

정진섭(Jung, Jin-Sup), 황태호(Hwang, Tae-Ho), 이상호(Lee, Sang-Ho) 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1990, 제 24권 제 2호 10 353-362 (10 pages)

정진섭(Jung, Jin-Sup), 황태호(Hwang, Tae-Ho), 이상호(Lee, Sang-Ho) 저
...
- 3,000원
429.

Nifedipine이 Atrial Natriuretic Peptide의 혈압내림효과에 미치는 영향

이종은(Lee, Jong-Eun), 최기철(Choi, Ki-Chul) 대한생리학회 대한생리학회지 8 Pages

대한생리학회 대한생리학회지 1990, 제 24권 제 1호 10 115-122 (8 pages)

이종은(Lee, Jong-Eun), 최기철(Choi, Ki-Chul) 저
...
- 3,000원
Pentobarbital 마취한 정상혈압 및 신성 고혈압 흰쥐에서 calcium channel 봉쇄 약물 nifedipine과 atrial natriuretic peptide(ANP)의 상호작용을 조사하였다. 정상혈압 흰쥐에서 nifedipine(1.0 μg/kg/min) 또는 ANP(60 ng/kg/min)의 주입은 각각 유의하게 혈압을 내렸으며 두 약물의 동시 주입시에 개별적으로 주입하였을 때보다 그 혈압내림의 정도가 더욱 컸다. Nifedipine은 단독 주입하였을 때에 신기능에 유의한 영향을 미치지 않았으나 ANP와 동시에 주입하였을 때에는 ANP의 요량 및 Na 배설 증가 효과를 항진시켰다. 한편...
430.

토끼 대동맥 평활근의 내피세포 의존성 이완에 미치는 Ca2+ 및 Ca2+ 길항제의 효과

서석효(Suh, Suk-Hyo), 구용숙(Goo, Yong-Sook), 박춘옥(Park, Choon-Ok), 황상익(Hwang, Sang-Ik), 김기환(Kim, Ki-Whan) 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1990, 제 24권 제 1호 8 91-102 (12 pages)

서석효(Suh, Suk-Hyo), 구용숙(Goo, Yong-Sook), 박춘옥(Park, Choon-Ok), 황상익(Hwang, Sang-Ik), 김기환(Kim, Ki-Whan) 저
...
- 4,100원
토끼 흉부 대동맥을 이용하여 내피세포 의존성 혈관이완에 대한 세포외 Ca2+과 여러가지 Ca2+ 길항제의 효과를 분석하여 EDRF의 작용기전을 밝혀 보고자 하였다. 대동맥 횡단 절편의 등장성 수축은 10-7 M 노에피네프린으로 유발시켰으며, 10-6 M 사세틸콜린으로 내피세포 의존성 혈관이완을 일으켰다. 내피세포는 작은 솜뭉치로 부드럽게 문질러서 제거하였으며, hemolysate를 사용하여 EDRF에 대한 헤모글로빈의 효과를 관찰하였다. 결과를 종합하면 다음과 같다. 1) 아세틸콜린에 의한 내피세포 의존성 혈관이완은 두 시기, 즉...

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