• Title/Summary/Keyword: medica

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20(S)-ginsenoside Rh2 induces caspase-dependent promyelocytic leukemia-retinoic acid receptor A degradation in NB4 cells via Akt/Bax/caspase9 and TNF-α/caspase8 signaling cascades

  • Zhu, Sirui;Liu, Xiaoli;Xue, Mei;Li, Yu;Cai, Danhong;Wang, Shijun;Zhang, Liang
    • Journal of Ginseng Research
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    • v.45 no.2
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    • pp.295-304
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    • 2021
  • Background: Acute promyelocytic leukemia (APL) is a hematopoietic malignancy driven by promyelocytic leukemia-retinoic acid receptor A (PML-RARA) fusion gene. The therapeutic drugs currently used to treat APL have adverse effects. 20(S)-ginsenoside Rh2 (GRh2) is an anticancer medicine with high effectiveness and low toxicity. However, the underlying anticancer mechanisms of GRh2-induced PML-RARA degradation and apoptosis in human APL cell line (NB4 cells) remain unclear. Methods: Apoptosis-related indicators and PML-RARA expression were determined to investigate the effect of GRh2 on NB4 cells. Z-VAD-FMK, LY294002, and C 87, as inhibitors of caspase, and the phosphatidylinositol 3-kinase (PI3K) and tumor necrosis factor-α (TNF-α) pathways were used to clarify the relationship between GRh2-induced apoptosis and PML-RARA degradation. Results: GRh2 dose- and time-dependently decreased NB4 cell viability. GRh2-induced apoptosis, cell cycle arrest, and caspase3, caspase8, and caspase9 activation in NB4 cells after a 12-hour treatment. GRh2-induced apoptosis in NB4 cells was accompanied by massive production of reactive oxygen species, mitochondrial damage and upregulated Bax/Bcl-2 expression. GRh2 also induced PML/PML-RARA degradation, PML nuclear bodies formation, and activation of the downstream p53 pathway in NB4 cells. Z-VAD-FMK inhibited caspase activation and significantly reversed GRh2-induced apoptosis and PML-RARA degradation. GRh2 also upregulated TNF-α expression and inhibited Akt phosphorylation. LY294002, an inhibitor of the PI3K pathway, enhanced the antitumor effects of GRh2, and C 87, an inhibitor of the TNF-α pathway, reversed NB4 cell viability, and GRh2-mediated apoptosis in a caspase-8-dependent manner. Conclusion: GRh2 induced caspase-dependent PML-RARA degradation and apoptosis in NB4 cells via the Akt/Bax/caspase9 and TNF-α/caspase8 pathways.

The Psychiatric and Central Nervous System Effects of Fructus Mume in Medical Classics (한의학 고문헌을 통한 오매의 정신의학과 중추신경계 관련 효능 연구)

  • Kim, Wu-Young;Jeon, Won Kyung
    • Journal of Haehwa Medicine
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    • v.22 no.1
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    • pp.71-78
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    • 2013
  • Objectives : Fructus mume(F. mume) has been used as a medicine for thousands of years in East Asia and reported to have effect on cognitive deficits induced by chronic cerebral hypoperfusion. We investigated F. mume's effects on psychiatric and central nervous system in medical classics. Methods : 25 materia medica books and Donguibogam were searched to find psychiatric and central nervous system effects of F. mume. Two Korean Medicine doctors reviewed the effects from the clinical point of view. Results : 安心(relieve psychiatric discomfort), 令人得睡 治不眠(Treat insominia), 去煩悶(relieve chest discomfort) were psychiatric effects and 偏枯不仁(hypoesthesia accompanied with hemiplegia) was central nervous system effect of F. mume. Conclusions : Further studies will be needed to demonstrate F. mume's effects found in medical classics.

Bacopa monniera

  • Kasture, Veena S;Kasture, Sanjay B
    • Advances in Traditional Medicine
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    • v.6 no.4
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    • pp.253-263
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    • 2006
  • The plant is used in India as well as several countries since several centuries for treating different types of ailments. The plant is an important constituent of the Ayurvedic Materia Medica and finds mention in several ancient texts including Caraka Sanhita ($6^{th}$ century A.D.) and the Bhavprakasa ($16^{th}$ century A.D.). The scientific studies on this plant have reported several activities of this plant. Though the plant has cardiotonic, vasoconstrictor, sedative, neuro-muscular blocking, and anticancer activities, it is more popular as memory enhancer. Traditionally, a poultice made of the boiled plant is placed on the chest in acute bronchitis and coughs of children. The plant contains saponins: bacosides A and B, hersaponin, sapogenins: bacogenin $A_{1}$, $A_{2}$, and $A_{3}$ stigmasterol, and flavonoids: luteolin and luteolin-7 glucoside, nicotine, brahmine, and herpestine. This review focuses on the scientific data published since 1931.

A Review on the Food-Therapy with Five-Vegetable in "Sikryochanyo" ("식료찬요(食療纂要)" 중(中) 오채(五菜)를 이용한 식치(食治) 연구(硏究))

  • Sim, Hyun-A;Song, Ji-Chung;Eom, Dong-Myung
    • Journal of Korean Medical classics
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    • v.24 no.5
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    • pp.83-97
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    • 2011
  • Objective : "Sikryochanyo"written by Jeon Soonyi is the first food-Therapy book at Korea. In "Sikryochanyo", there are many kinds of food-Therapy including Five-Vegetable therapy. Method : We will try to find out cases of food-therapy with Five-Vegetable in "Sikryochanyo". Result : In "Sikryochanyo", Five-Vegetable were treated as materia medica widely. Green onion, one of Five-Vegetable as materia medica was the major in use and porridge or soup were the major in frquency. Conclusion : On several types of Five-Vegetable, such as parts or whole, methods to make, the prescription shape etc., there are plenty of usage with its own effectiveness.

Cordycepin: pharmacological properties and their relevant mechanisms

  • Baoyan, Fan;Haibo, Zhu
    • CELLMED
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    • v.2 no.2
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    • pp.14.1-14.7
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    • 2012
  • Cordycepin, a nucleoside derivative, was extracted from $Cordyceps$ $sinensis$, and then proved to be a bioactive compound present in traditional Chinese medicine Cordyceps. Early investigations revealed cordycepin possessed anti-microbial activity mainly by inhibiting nucleic acid synthesis. Although cordycepin is not used as antibacterial agents in clinic, its other pharmacological effects and possible mechanisms have gradually been deeply studied. This review serves to summarize the research progress of cordycepin.

Ginsenoside Rgi is an Anti-apoptotic Agent

  • Zhang, Jun-Tian;Li, Jun-Qing
    • Proceedings of the Ginseng society Conference
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    • 1998.06a
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    • pp.12-20
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    • 1998
  • Primary neuronal culture was studied for observing effect of ginsenoside Rgl (Rgl) on serum-free medium induced apoptosis. Results showed that Rgl at concentration of 1 umol$.$ L-1 and 10 umol$.$L-1 could inhibit apoptosis, decrease intracellular calcium concentration in cultured cortical neurons, enhance SOD activity in both aged rat cortex and cultured cortical neurons, scavenge cytotoxic oxygen free radicals, decrease NO content and NOS activity in aged rat cortex and cultured cortical neurons, increase bel-2 gene expression in rat brain. These results provided new data for elucidating the anti-aging effect of Rgi. Rgl is considered to be a useful drug for treatment of Alzheimer's disease and brain aging.

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The Protective Effects of Phenolic Constituents from Gastrodia elata on the Cytotoxicity Induced by KCI and Glutamate

  • Huang, Zhan-Bo;Wu, Zhe;Chen, Fa-Kui;Zou, Li-Bo
    • Archives of Pharmacal Research
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    • v.29 no.11
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    • pp.963-968
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    • 2006
  • Seven phenolic compounds (1-7) were isolated from the tubers of Gastrodia elata. Their structures were elucidated on the basis of MS and NMR spectral data. p-Ethoxymethyl phenyl-O-${\beta}$-D-glucoside (1) was proved to be a new compound, with N-(p-hydroxybenzyl)-adenosine (7) isolated from this plant for the first time. In this study, the protective effects of the six constituents (1-6) on PC12 cells against the cytotoxicity induced by KCI and glutamate were also investigated. The viability of the PC12 cells was significantly enhanced by pretreatment with the six phenolic constituents.