• Title/Summary/Keyword: medicine plant

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Phytochemical and therapeutic potentials of Morinda tinctoria Roxb. (Indian mulberry)

  • Sahoo, Atish K;Narayanan, Nisha;Kumar, N Satheesh;Rajan, S;Mukherjee, Pulok K
    • Advances in Traditional Medicine
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    • v.9 no.2
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    • pp.101-105
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    • 2009
  • Morinda tinctoria Roxb. (Family: Rubiaceae) is commonly known as Indian mulberry or Aal in India. This plant is very well known for its therapeutic benefit in Indian systems of medicine including Ayurveda and Siddha and in other forms of traditional Medicine worldwide for the treatment of several ailments. Almost all parts of this plant have been explored for its medicinal uses. Several reports on the phytochemical and therapeutic benefits of this plant have been reported. In this article an attempt has been made to review the traditional uses, phytochemical profiles and therapeutic potentials of Indian mulberry.

Gypenoside XVII protects against myocardial ischemia and reperfusion injury by inhibiting ER stress-induced mitochondrial injury

  • Yu, Yingli;Wang, Min;Chen, Rongchang;Sun, Xiao;Sun, Guibo;Sun, Xiaobo
    • Journal of Ginseng Research
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    • v.45 no.6
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    • pp.642-653
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    • 2021
  • Background: Effective strategies are dramatically needed to prevent and improve the recovery from myocardial ischemia and reperfusion (I/R) injury. Direct interactions between the mitochondria and endoplasmic reticulum (ER) during heart diseases have been recently investigated. This study was designed to explore the cardioprotective effects of gypenoside XVII (GP-17) against I/R injury. The roles of ER stress, mitochondrial injury, and their crosstalk within I/R injury and in GP-17einduced cardioprotection are also explored. Methods: Cardiac contractility function was recorded in Langendorff-perfused rat hearts. The effects of GP-17 on mitochondrial function including mitochondrial permeability transition pore opening, reactive oxygen species production, and respiratory function were determined using fluorescence detection kits on mitochondria isolated from the rat hearts. H9c2 cardiomyocytes were used to explore the effects of GP-17 on hypoxia/reoxygenation. Results: We found that GP-17 inhibits myocardial apoptosis, reduces cardiac dysfunction, and improves contractile recovery in rat hearts. Our results also demonstrate that apoptosis induced by I/R is predominantly mediated by ER stress and associated with mitochondrial injury. Moreover, the cardioprotective effects of GP-17 are controlled by the PI3K/AKT and P38 signaling pathways. Conclusion: GP-17 inhibits I/R-induced mitochondrial injury by delaying the onset of ER stress through the PI3K/AKT and P38 signaling pathways.

Hyphantria cunea Nucleopolyhedrovirus, a Novel Baculovirus Isolated from Fall Webworm in Korea

  • Heo, Won-Il;Choi, Jae-Bang;Bae, Sung-Min;Shin, Tae-Young;Woo, Soo-Dong
    • International Journal of Industrial Entomology and Biomaterials
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    • v.22 no.2
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    • pp.75-82
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    • 2011
  • To elucidate the novelty of Hyphantria cunea nucleopolyhedrovirus (HcNPV) isolated in Korea, polyhedrin and inhibitor of apoptosis (iap) gene structures were determined and analyzed. The analysis of HcNPV polyhedrin showed a little difference with 97.6% at the nucleotide level but no difference at the amino acid level when compared with that of previously reported H. cunea NPV (HycuNPV). On the other hand, iap genes showed variable differences with 89.0-99.6% nucleotide and 90.0-99.6% amino acid sequence identities. Especially, the 5' and 3' non-coding flanking sequences of iap1 gene had lower degree of identity with those of HycuNPV. Although the phylogenetic analyses using polyhedrin and iap genes showed that HcNPV is closely related with HycuNPV, we could provide that HcNPV is a novel isolate having novel gene structures.

Enterocytozoon bieneusi Genotypes and Infections in the Horses in Korea

  • Lee, Haeseung;Lee, Seung-Hun;Lee, Yu-Ran;Kim, Ha-Young;Moon, Bo-Youn;Han, Jee Eun;Rhee, Man Hee;Kwon, Oh-Deog;Kwak, Dongmi
    • Parasites, Hosts and Diseases
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    • v.59 no.6
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    • pp.639-643
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    • 2021
  • Enterocytozoon bieneusi is a microsporidian pathogen. Recently, the equestrian population is increasing in Korea. The horse-related zoonotic pathogens, including E. bieneusi, are concerns of public health. A total of 1,200 horse fecal samples were collected from riding centers and breeding farms in Jeju Island and inland areas. Of the fecal samples 15 (1.3%) were PCR positive for E. bieneusi. Interestingly, all positive samples came from Jeju Island. Diarrhea and infection in foals were related. Two genotypes (horse1, horse2) were identified as possible zoonotic groups requiring continuous monitoring.

Relationship between ganglioside expression and anti-cancer effects of a plant-derived antibody in breast cancer cells

  • Ju, Won Seok;Song, Ilchan;Park, Se-Ra;Seo, Sang Young;Cho, Jin Hyoung;Min, Sung-Hun;Kim, Dae-Heon;Kim, Ji-Su;Kim, Sun-Uk;Park, Soon Ju;Ko, Kisung;Choo, Young-Kug
    • Journal of Plant Biotechnology
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    • v.46 no.3
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    • pp.217-227
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    • 2019
  • Production of therapeutic monoclonal antibodies (mAbs) using a plant platform has been considered an alternative to the mammalian cell-based production system. A plant-derived mAb CO17-1AK ($mAb^P$ COK) can specifically bind to various types of cancer cell lines. The target protein of $mAb^P$ COK is the epithelial cell adhesion molecule (EpCAM) highly expressed in human epithelial cancer cells, including breast and colorectal cancer cells. It has been hypothesized that its overexpression supports tumor growth and metastasis. A ganglioside is extended well beyond the surfaces of the various cell membranes and has roles in cell growth, inflammation, differentiation, and carcinogenesis. However, the regulation of EpCAM gene expression in breast cancers and the role of gangliosides in oncogenesis are unclear. Here, the purpose of this study was to determine the effects of $mAb^P$ COK on human breast cancer cell proliferation, apoptosis, and ganglioside expression patterns. Our results show that treatment with $mAb^P$ COK suppressed the growth of breast cancer cells and induced apoptotic cell death. It also upregulated the expression of metastasis-related gangliosides in breast cancer cells. Thus, treatment with $mAb^P$ COK may have chemo-preventive therapeutic effects against human breast cancer.

Bacillus subtilis S1-0210 as a Biocontrol Agent against Botrytis cinerea in Strawberries

  • Hang, Nguyen Thi Thu;Oh, Soon-Ok;Kim, Gyoung-Hee;Hur, Jae-Seoun;Koh, Young-Jin
    • The Plant Pathology Journal
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    • v.21 no.1
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    • pp.59-63
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    • 2005
  • Bacillus subtilis S1-0210 was selected as a biological agent against Botrytis cinerea in strawberry. The isolate inhibited mycelial growth of B. cinerea in vitro tests. A wettable powder formulation of B. subtilis S1-0210 significantly reduced infection rates with lower than 5%, compared with higher than 70% of infection rates in untreated control. The formulation showed 85 to 89% control efficacies of gray mold incidences on fruits of strawberry in pots. Pre-treatment of the agent was more effective in controlling gray mold on fruits and leaves than post-treatment at the early stage of disease development. The formulation also showed 70% control efficacy of gray mold incidence on fruits of strawberry in a field trial. The results indicate that B. subtilis S1-0210 in the wettable powder formulation may be a potential biocontrol agent to control gray mold on strawberry.

Medicinal plants used in the management of diabetes by traditional healers of Narok County, Kenya

  • Kamau, Loice Njeri;Mbaabu, Peter Mathiu;Karuri, Peter Gathumbi;Mbaria, James Mucunu;Kiama, Stephen Gitahi
    • CELLMED
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    • v.7 no.2
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    • pp.10.1-10.10
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    • 2017
  • The Maasai community from Kenya is highly esteemed for their strong adherence to traditional cultures and ethno medicine. This is attributed to their age-old traditional mechanisms of passing down knowledge to the younger generation. Adoption to new socio-economic lifestyle and urbanization has been associated with development of diabetes, which has been reported among some indigenous pastoral communities in Kenya. Documentation of traditional methods of treatment and management of diabetes by the Maasai has not yet been reported, yet it is noteworthy. Thirty traditional healers from Narok County were purposively selected and interviewed about traditional knowledge of antidiabetic medicinal plants, parts used, preparation dosage and administration. A total of 14 antidiabetic plant species distributed within 13 genera and 12 families were identified and documented as herbal medicine used in the management of diabetes. The most highly cited plant species was Dovyalis abyssinica (20%), the plant family Flacourtiaceae and Rhamnaceae (2 plant species each) recorded the highest number of plant species while the most frequently used plant part was the roots (46%). Literature review revealed that some of the cited plants have known phytochemicals with antidiabetic activity; the study recommends further scientific investigation to validate their efficacy and safety.

Incidence Rates of Major Diseases of Kiwiberry in 2015 and 2016

  • Kim, Gyoung Hee;Kim, Deok Ryong;Park, Sook-Young;Lee, Young Sun;Jung, Jae Sung;Koh, Young Jin
    • The Plant Pathology Journal
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    • v.33 no.4
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    • pp.434-439
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    • 2017
  • Incidence rates of diseases in kiwiberry orchards were investigated monthly from late June to late September in Gwangyang and Boseong in 2015 and 2016. The impact of postharvest fruit rot was investigated during ripening after harvest. Bacterial canker was only observed on one single tree in 2015, but black rot, powdery mildew, leaf spot and blight, and postharvest fruit rot diseases were problematic throughout the study period in both 2015 and 2016. Incidence rates of the diseases varied with kiwiberry cultivar, region and sampling time. Incidence rates of powdery mildew, leaf spot and blight diseases increased significantly during the late growing stages near fruit harvest, while black rot peaked in late August. Incidence rate of postharvest fruit rot on fruit without fruit stalks was less than half of fruit with fruit stalks, regardless of kiwiberry cultivars. Among the four cultivars, Mansu was relatively resistant to black rot and postharvest fruit rot diseases. In our knowledge, this is the first report of various potential pathogens of kiwiberry in Korea.

Development of an Improved Loop-Mediated Isothermal Amplification Assay for On-Site Diagnosis of Fire Blight in Apple and Pear

  • Shin, Doo-San;Heo, Gwang-Il;Son, Soo-Hyeong;Oh, Chang-Sik;Lee, Young-Kee;Cha, Jae-Soon
    • The Plant Pathology Journal
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    • v.34 no.3
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    • pp.191-198
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    • 2018
  • Fast and accurate diagnosis is needed to eradicate and manage economically important and invasive diseases like fire blight. Loop-mediated isothermal amplification (LAMP) is known as the best on-site diagnostic, because it is fast, highly specific to a target, and less sensitive to inhibitors in samples. In this study, LAMP assay that gives more consistent results for on-site diagnosis of fire blight than the previous developed LAMP assays was developed. Primers for new LAMP assay (named as DS-LAMP) were designed from a histidine-tRNA ligase gene (EAMY_RS32025) of E. amylovora CFBP1430 genome. The DS-LAMP amplified DNA (positive detection) only from genomic DNA of E. amylovora strains, not from either E. pyrifoliae (causing black shoot blight) or from Pseudomonas syringae pv. syringae (causing shoot blight on apple trees). The detection limit of DS-LAMP was 10 cells per LAMP reaction, equivalent to $10^4$ cells per ml of the sample extract. DS-LAMP successfully diagnosed the pathogens on four fire-blight infected apple and pear orchards. In addition, it could distinguish black shoot blight from fire blight. The $B{\ddot{u}}hlmann$-LAMP, developed previously for on-site diagnosis of fire blight, did not give consistent results for specificity to E. amylovora and on-site diagnosis; it gave positive reactions to three strains of E. pyrifoliae and two strains of P. syringae pv. syringae. It also, gave positive reactions to some healthy sample extracts. DS-LAMP, developed in this study, would give more accurate on-site diagnosis of fire blight, especially in the Republic of Korea, where fire blight and black shoot blight coexist.