• Title/Summary/Keyword: Reabsorption

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A Review of Cupping Application in the field of Physical Therapy (물리치료의 장에 부항 적용에 대한 고찰)

  • Shin, Hong-Cheul;Seo, Gyu-Won;Kim, Kang-Su;Kim, Woo-Jin
    • Journal of Korean Physical Therapy Science
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    • v.5 no.4
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    • pp.729-750
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    • 1998
  • The purpose of this Review is to help activities of daily living by normalizing bodily functions through the use of negative pressure. Cupping therapy has been holding the important role as a form of treatment in ancient medicine of Oriental and Occidental country, and still being used widely due to it's effectiveness. Principle of Cupping therapy is to neutralize somatic dysfunctions by elimination of nonphysiological somatic fluid of hematoma through application of negative pressure on region of dermatomal meridian. The effectiveness of Cupping therapy as follows; 1) Effects on acid base balance of bodily fluid. 2) Through the reabsorption of subcutaneous hematoma, it affects on formation of immune system and produce the blood serum cleaning reaction. 3) By application of negative pressure on subcutaneous, induce renal system to produce steroid hormone. 4) By stimulating hemopoietic system, it maxmize the blood production level. Recently, Alternative medicine has been a focus due to it's nature of effectiveness and safety without adverse complication. Therefore, every family possess and use the cupping modality for preventive measure and/or treatment purpose in order to eliminate accumulated byproducts of body and clean the blood system.

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Decreased Expression of $Na^+/K^+$-ATPase, NHE3, NBC1, AQP1 and OAT in Gentamicin-induced Nephropathy

  • Bae, Woo-Kyun;Lee, Jong-Un;Park, Jeong-Woo;Bae, Eun-Hui;Ma, Seong-Kwon;Kim, Suhn-Hee;Kim, Soo-Wan
    • The Korean Journal of Physiology and Pharmacology
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    • v.12 no.6
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    • pp.331-336
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    • 2008
  • The present study was aimed to determine whether there is an altered regulation of tubular transporters in gentamicin-induced nephropathy. Sprague-Dawley male rats ($200{\sim}250\;g$) were subcutaneously injected with gentamicin (100 mg/kg per day) for 7 days, and the expression of tubular transporters was determined by immunoblotting and immunohistochemistry. The mRNA and protein expression of OAT was also determined. Gentamicin-treated rats exhibited significantly decreased creatinine clearance along with increased plasma creatinine levels. Accordingly, the fractional excretion of sodium increased. Urine volume was increased, while urine osmolality and free water reabsorption were decreased. Immunoblotting and immunohistochemistry revealed decreased expression of $Na^+/K^+$-ATPase, NHE3, NBC1, and AQP1 in the kidney of gentamicin-treated rats. The expression of OAT1 and OAT3 was also decreased. Gentamicin-induced nephropathy may at least in part be causally related with a decreased expression of $Na^+/K^+$-ATPase, NHE3, NBC1, AQP1 and OAT.

Renal Action of Idazoxan, ${\alpha}_2-Adrenergic$ Antagonist, in Dog (${\alpha}_2-Adrenergic$ Receptor 차단제인 Idazoxan의 신장작용)

  • 고석태;강경원
    • Biomolecules & Therapeutics
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    • v.8 no.2
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    • pp.132-139
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    • 2000
  • This study was performed far investigation of influence on renal function of idazoxan, $\alpha_{2}$-adrenergic antagonist, using the dog. Idazoxan, when giver. into vein, produced the decrease of urine volume(vol) accompanied with the reduction of free water clearance($C_{H2O}$), amounts of sodium excreted in urine($E_{Na}$), with the increase of potassium excreted in urine($E_{K}$), and so ratios of potassium against sodium($K^{+}/Na^{+}$) were elevated, at this time, greatened reabsorption rate of sodium and diministered that of potassium in renal tubules were appeared. Idazoxan administered into a renal artery elicited the augmentation of vol, glomerular filtration rate(GFR), renal plasma flow(RPF) and no change of filtration fraction(FF) in only ipsilateral kidney, whereas $E_{Na},\;E_{K}\;and\;K^{+}/Na^{+}$ were increased and $C_{H2O}$ was decreased in both control and experimental kidney. Idazoxan given into carotid artery showed partial increased vol, remarkable expanded RPF and unchanged GFR, and so filtration fraction(FF) was markedly reduced. Above results suggest that anti- diuretic action of idazoxan given into vein is mediated by reduction of $C_{H2O}\;and\;E_{Na}$, diuretic action only in the ipsilateral kidney by idazoxan given into a renal artery is caused by hemodynamic improvement through expansion of vas afferens in glomeruli.

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Effects of the Saponin of Polygalae Radix on the Renal Function and CNS-Depression (원지(遠志) Saponin의 이뇨효과(利尿效果) 및 중추억제작용(中樞抑制作用)에 관한 연구(硏究))

  • Park, Dai-Kyu;Lee, Wan-Ha
    • Korean Journal of Pharmacognosy
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    • v.14 no.4
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    • pp.178-192
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    • 1983
  • Polygalae Radix was used as diuretics, analgesics and expertorants in oriental medicine. The root of Polygala tenuifolia Willd. (Polygalaceae) is comprised saponin (Onjisaponin A,B,C,D,E,F and G) polygalitol, onsitin and sugars. The pharmacological action of crude Polygala-saponin (PS) obtained from the roots are studied. The following results were obtained; 1) The median lethal dose $(LD_{50})$ of PS in mice is presented 71.1mg/kg s.c. and 694. 5mg/kg p.o.. 2) PS demonstrated diuretic action of relatively long acting duration in mice. 3) The diuretic mechanism of PS was found due to inhibitory effect of renal tubular reabsorption of electrolytes and glomerular vascular dilatation. 4) The group, administered simultaneously PS and cefadroxil monobydrate was significantly increased with PS alone group on diuretic action. Synergistic effect cefadroxil monohydrate on the diuretic action of PS seems due to competitive inhibition of plasma protein binding with PS. 5) PS demonstrated analgesic action by the acetic acid stimulating method and Randall-Selitto test in mice. 6) PS presented antipyretic action against febrile treated with the typhoid vaccine. 7) PS was significantly prolonged against the hypnotic duration of pentobarbital in mice. 8) Onset time convulsion and death induced by picrotoxin and strychnine in mice were not delayed. According to the above results, the PS was identified as a pharmacological active component obtained from roots of Polygala tenuifolia Willd.

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Seroprevalence of abortion and stillbirth inducing disease in Hanwoo, in Jeonbuk eastern area (전북 동부지역 한우에서의 유사산 유발 질병 항체가 조사)

  • Song, Ji-Min;Shon, Ku-Rye;Koh, Won-Seok;Lee, Jeong-Won
    • Korean Journal of Veterinary Service
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    • v.37 no.3
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    • pp.179-183
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    • 2014
  • Reproductive losses in a herd can be huge. Fetal reabsorption or undefined infertility often remain undetected. Routine herds monitoring for exposure, controlling the introduction of potential agent carriers, appropriate biosafety procedures, and vaccination where possible are together the best security against abortion and stillbirth inducing disease. For biosecurity of local farms, we performed antibody titers of abortion and stillbirth related diseases such as bovine viral diarrhea virus (BVDV), infectious bovine rhinotracheitis virus (IBRV), Neospora caninum, Toxoplasma gondii and Campylobacter fetus subsp venerealis. The blood samples were collected from 500 female Hanwoo over 1 year old of 100 farms in Jeonbuk eastern area. Champhylobater serological test was evaluated by the standard tube agglutination test (STAT) and other pathogen's antibodies were detected by indirect-enzyme linked immunoassay (I-ELISA). The seroprevalence of abortion and stillbirth inducing disease were BVDV 72.4%, IBRV 13.0%, N. caninum 1.2%, T. gondii 10.4% and C. venerealis 0.6%, irrespectively.

Selection of Surfactant and Operation Scheme for Improved Efficiency of In-situ Soil Flushing Process (원위치 토양세척 공정의 효율향상을 위한 세제선정과 운전기법)

  • Son, Bong-Ho;Lim, Bong-Su;Oa, Seong-Wook;Lee, Byung-Ho
    • Journal of Korean Society on Water Environment
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    • v.22 no.5
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    • pp.824-830
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    • 2006
  • Several tests were conducted to optimize the design parameters of ln-situ soil flushing processes for diesel contaminated soil. According to the batch extraction test for three anionic surfactants evaluation, Calgonit limiting bubble occurrence was selected for its higher oil cleaning efficiency. After optimum surfactant selection, there were many sets of column flushing test. Over 70% of BTEX was removed in this surfactant dose with 400% of soil volume. In the case of no surfactant addition flushing in column, so called "blank flushing test", BTEX removal rate was 64%. But when we reused the effluent for the cleaning solution, the removal rate was decreased to 46.9%. This result showed reabsorption of oil occurred on the soil. With the addition of Calgonit solution to the diesel contaminated column, BTEX was removed up to 98.9% during the first flushing and 99.4% for the second recirculation flushing. In microcosm tests, diesel contaminated soils were cleaned by both surfactant flushing and biological activities. In anoxic condition, nitrate was used as an electron acceptor while the surfactant and the oil were used an electron donor. BTEX removal efficiency could be achieved up to 80% by biological degradation.

Stop-flow Analysis of Urinary Excretion of Sulfadiazine in the Dog (Stop-flow방법(方法)으로 분석(分析)한 sulfadiazine의 요중(尿中) 배설(排泄) 기전(機轉))

  • Ko, Suk-Tai;Lee, Donn-Yil;Kim, Sung-Oh;Kim, Jae-Wan
    • Journal of Pharmaceutical Investigation
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    • v.3 no.4
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    • pp.28-38
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    • 1973
  • The mechanism of urinary excretion of sulfadiazine was investigated in the dogs by means of stop-flow technique Results of experiments were summarized as follows; 1. The ratios of U/P sulfadiazine to U/P creatinine $(U/P_{SD}:U/P_{cr})$ were always lower than 1 in all nephrons, showed a minimum in the proximal area. 2. $U/P_{SD}:U/P_{cr}$ were not affected by Probenecid or 2.4-DNP, whereas increased significantly by administration of sodium bicarbonate. 3. Probenecid did not alter the stop-flow patterns in alkalotic dog too. 4. $C_{SD}$ (clearance of sulfadiazine ) was appreciably influenced by change in urinary PH, or flow rate. All evidences lead to the conclusion that sulfadiazine reabsorption is passively transported by proximal tubules. No clue for active process, either secretory or reabsorptive, was obtained.

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Oocyte Degeneration Associated with Follicle Cells in Female Mactra chinensis (Bivalvia: Mactridae)

  • Kim, Sung Han;Chung, Ee-Yung;Lee, Ki-Young
    • Development and Reproduction
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    • v.18 no.4
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    • pp.321-327
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    • 2014
  • Ultrastructural studies of oocyte degeneration in the oocyte, and the functions of follicle cells during oocyte degeneration are described to clarify the reproductive mechanism on oocyte degeneration of Mactra chinensis using cytological methods. Commonly, the follicle cells are attached to the oocyte. Follicle cells play an important role in oocyte degeneration. In particular, the functions of follicle cells during oocyte degeneration are associated with phagocytosis and the intracellular digestion of products. In this study, morphologically similar degenerated phagosomes (various lysosomes), which were observed in the degenerated oocytes, appeared in the follicle cells. After the spawning of the oocytes, the follicle cells were involved in oocyte degeneration through phagocytosis by phagolysosomes. Therefore, it can be assumed that follicle cells reabsorb phagosomes from degenerated oocytes. In this study, the presence of lipid granules, which occurred from degenerating yolk granules, gradually increased in degenerating oocytes. The function of follicle cells can accumulate reserves of lipid granules and glycogen in the cytoplasm, which can be employed by the vitellogenic oocyte. Based on observations of follicle cells attached to degenerating oocytes after spawning, the follicle cells of this species are involved in the lysosomal induction of oocyte degeneration for the reabsorption of phagosomes (phagolysosomes) in the cytoplasm for nutrient storage, as seen in other bivalves.

Renal Handling of Sodium and Potassium in Cadmium Exposed Rats

  • Kim, Yung-Kyu;Park, Yang-Saeng
    • The Korean Journal of Physiology and Pharmacology
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    • v.2 no.4
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    • pp.503-510
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    • 1998
  • Effects of cadmium exposure on renal $Na^+$ and $K^+$ transports were studied in rats. During the course of cadmium treatment (2 mg Cd/kg/day, s.c. injections for 3 weeks) renal tubular transports of $Na^+$ and $K^+$ were evaluated by lithium clearance technique. During the early phase (first week) of cadmium treatment, urinary $Na^+$ excretion decreased drastically and this was due to an increased $Na^+$ reabsorption both in the proximal and distal nephrons. During the late phase (third week) of cadmium treatment, filtered $Na^+$ load was decreased by reduction in GFR, but the renal $Na^+$ excretion returned to the control level due to impaired $Na^+$ transport in the proximal tubule. Urinary excretion of $K^+$ did not change during the early phase, but it rose markedly during the late phase of cadmium treatment. These results indicate that a light cadmium intoxication induces a $Na^+$ retention, and a heavy intoxication results in a $K^+$ loss. Possible mechanisms for these changes are discussed.

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Diuretic Action of Angiotensin II in Dog (Angiotensin Ⅱ의 이뇨작용(利尿作用))

  • Ko, Suk-Tai;Lee, Min-Jae;Hur, Young-Keun
    • YAKHAK HOEJI
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    • v.33 no.3
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    • pp.183-190
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    • 1989
  • Angiotensin II, adminstered (infused or injected) intravenously, elicited the antidiuretic action with the decreased parameters of renal function at a small dose ($0.01\;{\mu}g/kg/min$), whereas, at a large dose (0.03, $0.1\;{\mu}g/kg/min$ and $5.0\;{\mu}g/kg$), it produced the diuretic action accompanied the increased amounts of sodium and potassium excreted in urine ($E_{Na}\;and\;R_K$). At this time, glomerular filtration rates (GFR) were weakened slightly and renal plasma flows (RPF) were reduced markedly, and then filtration fractions (FF) were increased. Angiotensin II, infused into a renal artery, exhibited antidiuretic action at a small dose ($0.003\;{\mu}g/kg/min$), and diuretic action at a large dose ($0.01\;{\mu}g/kg/min$), only in infused (experimental) kidney. The mechanism of the action was similar to the cases of the intravenous angiotensin II. The above results suggest that angiotensin II of a large dose produced diuretic action due to mechanism inhibiting reabsorption of electrolytes in renal tubules, mainly in proximal tubule in dog.

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