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Sang Kun Park,Jin Hee Lim,Mi Seon Kim,Hyang Young Joung,Hak Ki Shin,Hae Ryong Cho,Hye Kyung Rhee 한국육종학회 2008 한국육종학회지 Vol.40 No.4
A new gerbera variety ‘Yellow Wing’ was released by the National Horticultural Research Institute (NHRI) in 2007. A cross was made between ‘Gold Finger’ with yellow and single and ‘Yellow Springs’ with yellow and spider in 2004. After investigation of the characteristics for 4 years (from 2004 to 2007), it was selected specially for the use of cut-flower. ‘Yellow Wing’ is a vigorous cultivar with yellow (RHS YO14B), green center and spider type. The flower diameter is 10.6cm. And inner ray floret and disc diameter is 2.83cm and 2.03cm, respectively. It produces a large yield with continuous supply of flowers and has adequate peduncle height and brilliant color. We believe that ‘Yellow Wing’ has a great potential for expanding cultivated area of domestic gerbera cultivar and increasing farmers-income.
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Prebiotic Properties of Levan in Rats
( Ki Hyo Jang ),( Soon Ah Kang ),( Yun Hi Cho ),( Yun Young Kim ),( Yun Jung Lee ),( Kyung Hee Hong ),( Kyung Hwa Seong ),( So Hye Kim ),( Chul Ho Kim ),( Sang Ki Rhee ),( Sang Do Ha ),( Ryo Won Choue 한국미생물생명공학회 2003 Journal of Microbiology and Biotechnology Vol.13 No.3
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Rhee, Moo-Yong,Shin, Sung-Joon,Gu, Namyi,Nah, Deuk-Young,Kim, Byong-Kyu,Hong, Kyung-Soon,Cho, Eun-Joo,Sung, Ki-Chul,Lee, Sim-Yeol,Kim, Kwang-Il Springer Science and Business Media LLC 2017 Hypertension research Vol.40 No.4
<P>Studies evaluating the relationship between measured 24-h urine sodium (24HUNa), potassium (24HUK) and aortic blood pressure (BP) are rare, and no such study has been performed with an Asian population. We evaluated the relationship between 24HUNa, 24HUK, casual BP, 24-h ambulatory BP and aortic BP by analyzing data from 524 participants with valid 24-h urine collection, 24-h ambulatory BP and central BP measurements (mean age 48.1 +/- 9.8 years, 193 men). Hypertension was defined as a 24-h ambulatory BP >= 130/80 mm Hg or current treatment for hypertension (n = 219). The participants with hypertension and high 24HUNa (mean 210.5 +/- 52.0 mmol per day, range 151.0-432.0) showed higher 24-h systolic (P = 0.037) and diastolic BP (P = 0.037) and aortic systolic BP (AoSBP, P = 0.038) than the participants with hypertension and low 24HUNa (mean 115.7 +/- 25.0 mmol per day, range 45.6-150.0), adjusted for confounders. The participants with hypertension and a high ratio of 24HUNa and 24HUK (24HUNa/24HUK, mean 4.03 +/- 1.00, range 2.93-7.96) had higher AoSBP than the participants with hypertension and a low 24HUNa/24HUK ratio (mean 2.13 +/- 0.54, range 0.53-2.91), adjusted for confounders (P = 0.026). The participants with hypertension demonstrated a significant linear relationship between AoSBP and 24HUNa/24HUK ratio that was independent of 24HUNa, according to the multiple regression analysis (P = 0.047). In hypertensive patients, 24HUNa/ 24HUK was positively and more strongly related to AoSBP compared with 24HUNa alone. The result indicates that high sodium and low potassium intake may increase the subsequent risk of cardiovascular disease by elevating AoSBP.</P>
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Rhee, Poong-Lyul,Lee, Sang-Jin,Kim, Sung-Joon,So, In-Suk,Hwang, Sang-Ik,Kim, Ki-Whan The Korean Physiological Society 1993 대한생리학회지 Vol.27 No.2
We have reported that dopamine potentiates spontaneous contractions dose-dependently in guinea-pig antral circular muscle strips (Hwang et al, 1991). To clarify the underlying excitatory mechanism of dopamine on the gastric smooth muscle, the effects of dopamine on voltage-dependent $Ca^{2+}\;currents\;and\;Ca^{2+}\;-dependent\;K^+\;currents$ were observed in enzymatically dispersed guinea-pig gastric myocytes using the whole-cell voltage-clamp technique. Experiments were also done using isometric tension recording and conventional intracellular microelectrode techniques. 1) The effect of dopamine on the spontaneous contraction of antral circular muscle strips of the guinea-pig was excitatory in a dose-dependent manner, and was blocked by phentolamine, an ${\alpha}-adrenoceptor$ blocker. 2) The slow waves were not changed by dopamine. 3) The voltage-operated inward $Ca^{2+}$ current was not influenced by dopamine. 4) The $Ca^{2+}\;-dependent\;K^+$ outward current, which might reflect the changes of intracellular calcium concentration, was enhanced by dopamine. This effect was abolished by phentolamine. 5) The enhancing effect of dopamine on the $Ca^{2+}\;-dependent\;K^+$ current disappeared with heparin which is known to block the action of $InsP_3$. From these results, it is suggested that dopamine acts via $InsP_3-mediated\;Ca^{2+}$ mobilization from intracellular stores and such action potentiates the spontaneous contraction of guinea-pig gastric smooth muscle.
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