• Title/Summary/Keyword: translational medicine

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The potential of Panax notoginseng against COVID-19 infection

  • Yeye Hu ;Ziliang He ;Wei Zhang ;Zhiqiang Niu ;Yanting Wang;Ji Zhang ;Ting Shen;Hong Cheng;Weicheng Hu
    • Journal of Ginseng Research
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    • 제47권5호
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    • pp.622-626
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    • 2023
  • The COVID-19 pandemic has changed the world and has presented the scientific community with unprecedented challenges. Infection is associated with overproduction of proinflammatory cytokines secondary to hyperactivation of the innate immune response, inducing a cytokine storm and triggering multiorgan failure and significant morbidity/mortality. No specific treatment is yet available. For thousands of years, Panax notoginseng has been used to treat various infectious diseases. Experimental evidence of P. notoginseng utility in terms of alleviating the cytokine storm, especially the cascade, and improving post-COVID-19 symptoms, suggests that P. notoginseng may serve as a valuable adjunct treatment for COVID-19 infection.

First detection of a G1-like H9N2 virus in Russia, 2018

  • Sharshov, Kirill;Kurskaya, Olga;Sobolev, Ivan;Leonov, Sergey;Kabilov, Marsel;Tatyana, Alikina;Alekseev, Alexander;Derko, Anastasiya;Yushkov, Yuriy;Saito, Takehiko;Uchida, Yuko;Mine, Junki;Irza, Victor;Shestopalov, Alexander
    • 대한수의학회지
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    • 제59권1호
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    • pp.37-42
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    • 2019
  • Worldwide, avian influenza H9N2 viruses of different lineages are the most widespread viruses in poultry. However, to date, cases in Russia have not been documented. In this study, we report the first detection of a G1-like H9N2 virus from poultry sampled at live-bird markets in Russia (Far East region) during the winter of 2018 (isolate A/chicken/Amur_Russia/17/2018). We assume there has been further circulation of the A/chicken/Amur_Russia/17/2018 H9N2 virus in the Russian Far East with possible distribution to other regions or countries in 2018-2019.

침구와 약침에 대한 중개연구 현황 (Current situation of Translational research on Acupuncture, Moxibustion and Pharmacopuncture)

  • 신대철;송호섭
    • Journal of Acupuncture Research
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    • 제33권2호
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    • pp.109-116
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    • 2016
  • Objectives : Our primary objective lies in understanding the current landscape of translational research on acupuncture, moxibustion and pharmacopuncture. Methods : We searched our own selection of keywords of acupuncture, moxibustion and pharmacopuncture and translational research from three overseas databases (Pubmed, Scopus, Medicine) and four domestic databases (DBpia, KISS, Riss4u, Korea Med). Results : We have chosen 41 articles in total-40 articles on acupunture, 6 article on moxibustion(5 articles were duplicated in use in each category). Origin-wise, 48.8 %/24.8 %/17.0 % of our articles pool came from USA/China/Korea, respectively. UK, Austria, Thailand and Italy contributed the rest of our article pool. For those articles written in USA and China, review articles were the most common type. For the US articles, all 10 review articles were non-systematic reviews, while, for China's contribution, one out of 4 review articles were systematic review. Type-wise, our research pool's breakdown is as follows ; 17 review articles, 11 experimental research, 2 randomized controlled trials(RCT), 1 clinical trial, 4 conference reports, 1 letter, 1 study protocol and 4 uncategorized. Topic-wise, brain-neurology was most frequently referred with 8 articles, followed by parkinson's disease (3 articles) and epilepsy (2 articles). Conclusion : 1. In terms of research submission articles, Korea appears to be lacking translational research on acupuncture, moxibustion and pharmacopuncture, compared to USA and China, in our view. 2. Unlike the cases of USA and China, most of Korean translational research is limited to doing a T1 level of translational research. In order to bring bench-to-bedside to light. we believe, there should be more studies, and thereby a certain level of activation, to the T2 level of translational research in Korea. 3. Further, in our view there should be more efforts to improve article quality at the T1 level of translational research, which eventually becomes the fundamentals of the next level of research (i.e. T2 research), as well as to increase the number of research submissions, going forward.

The Functional Roles of Lactobacillus acidophilus in Different Physiological and Pathological Processes

  • Gao, Huijuan;Li, Xin;Chen, Xiatian;Hai, Deng;Wei, Chuang;Zhang, Lei;Li, Peifeng
    • Journal of Microbiology and Biotechnology
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    • 제32권10호
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    • pp.1226-1233
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    • 2022
  • Probiotics are live microorganisms that can be consumed by humans in amounts sufficient to offer health-promoting effects. Owing to their various biological functions, probiotics are widely used in biological engineering, industry and agriculture, food safety, and the life and health fields. Lactobacillus acidophilus (L. acidophilus), an important human intestinal probiotic, was originally isolated from the human gastrointestinal tract and its functions have been widely studied ever since it was named in 1900. L. acidophilus has been found to play important roles in many aspects of human health. Due to its good resistance against acid and bile salts, it has broad application prospects in functional, edible probiotic preparations. In this review, we explore the basic characteristics and biological functions of L. acidophilus based on the research progress made thus far worldwide. Various problems to be solved regarding the applications of probiotic products and their future development are also discussed.

Evaluation of Clinically Effective Doses of Triamcinolone Acetonide for Intralesional Injection in Oral Lichen Planus

  • Park, Su-Hyeon;Lee, Hae-Ohk;Ju, Hye-Min;Lee, Ji-Yeon;Jeon, Hye-Mi;Ok, Soo-Min;Ahn, Yong-Woo;Jeong, Sung-Hee
    • Journal of Oral Medicine and Pain
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    • 제44권1호
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    • pp.1-10
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    • 2019
  • Purpose: The aim of this study was to evaluate the optimal doses of intralesional triamcinolone acetonide (TA) in the treatment of oral lichen planus (OLP). Methods: A randomized clinical trial was performed. Sixty-two lesions of OLP were received 12 mg (group A) or 20 mg (group B) of TA intralesionally weekly for 2 weeks. Subjective symptoms, lesion size, favorable conversion of clinical subtypes, and clinical response were evaluated at weeks 0, 1, 2, and 4. Results: After two consecutive injections of TA, group B showed significant reduction in burning sensation and reticular area (p<0.01). Favorable conversion and complete response were greater in group B. Mild oral candidiasis was developed in group B (10.7%). Conclusions: A 20-mg injection of TA was much more effective compared with 12-mg injection of TA in the treatment of OLP.

A Study on Disability and Impairment of Dental Disorders in Korea

  • Ahn, Yong-Woo;Jang, Seok-Min;Jeong, Sung-Hee;Jeon, Hye-Mi;Kim, Kyung-Hee;Ok, Soo-Min
    • Journal of Oral Medicine and Pain
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    • 제43권3호
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    • pp.70-76
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    • 2018
  • The definition and application of disability are becoming more important as society becomes more complex. The precise criteria for the assessment and classification of disabilities are primarily focused on certain medical conditions with a lack of guidelines for dental conditions. This study provides an evaluation and comparison of the current tables available for the assessment of disabilities in the dental field with the aim of identifying areas to be improved.

Total ginsenosides suppress monocrotaline-induced pulmonary hypertension in rats: involvement of nitric oxide and mitogen-activated protein kinase pathways

  • Qin, Na;Yang, Wei;Feng, Dongxu;Wang, Xinwen;Qi, Muyao;Du, Tianxin;Sun, Hongzhi;Wu, Shufang
    • Journal of Ginseng Research
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    • 제40권3호
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    • pp.285-291
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    • 2016
  • Background: Ginsenosides have been shown to exert beneficial pharmacological effects on the central nervous, cardiovascular, and endocrine systems. We sought to determine whether total ginsenosides (TG) inhibit monocrotaline (MCT)-induced pulmonary hypertension and to elucidate the underlying mechanism. Methods: MCT-intoxicated rats were treated with gradient doses of TG, with or without $N^G$-nitro-$\small{L}$-arginine methyl ester. The levels of molecules involving the regulation of nitric oxide and mitogen-activated protein kinase pathways were determined. Results: TG ameliorated MCT-induced pulmonary hypertension in a dose-dependent manner, as assessed by the right ventricular systolic pressure, the right ventricular hypertrophy index, and pulmonary arterial remodeling. Furthermore, TG increased the levels of pulmonary nitric oxide, endothelial nitric oxide synthase, and cyclic guanosine monophosphate. Lastly, TG increased mitogen-activated protein kinase phosphatase-1 expression and promoted the dephosphorylation of extracellular signal-regulated protein kinases 1/2, p38 mitogen-activated protein kinase, and c-Jun NH2-terminal kinase 1/2. Conclusion: TG attenuates MCT-induced pulmonary hypertension, which may involve in part the regulation of nitric oxide and mitogen-activated protein kinase pathways.

A small molecule approach to degrade RAS with EGFR repression is a potential therapy for KRAS mutation-driven colorectal cancer resistance to cetuximab

  • Lee, Sang-Kyu;Cho, Yong-Hee;Cha, Pu-Hyeon;Yoon, Jeong-Soo;Ro, Eun Ji;Jeong, Woo-Jeong;Park, Jieun;Kim, Hyuntae;Kim, Tae Il;Min, Do Sik;Han, Gyoonhee;Choi, Kang-Yell
    • Experimental and Molecular Medicine
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    • 제50권11호
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    • pp.12.1-12.12
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    • 2018
  • Drugs targeting the epidermal growth factor receptor (EGFR), such as cetuximab and panitumumab, have been prescribed for metastatic colorectal cancer (CRC), but patients harboring KRAS mutations are insensitive to them and do not have an alternative drug to overcome the problem. The levels of ${\beta}$-catenin, EGFR, and RAS, especially mutant KRAS, are increased in CRC patient tissues due to mutations of adenomatous polyposis coli (APC), which occur in 90% of human CRCs. The increases in these proteins by APC loss synergistically promote tumorigenesis. Therefore, we tested KYA1797K, a recently identified small molecule that degrades both ${\beta}$-catenin and Ras via $GSK3{\beta}$ activation, and its capability to suppress the cetuximab resistance of KRAS-mutated CRC cells. KYA1797K suppressed the growth of tumor xenografts induced by CRC cells as well as tumor organoids derived from CRC patients having both APC and KRAS mutations. Lowering the levels of both ${\beta}$-catenin and RAS as well as EGFR via targeting the $Wnt/{\beta}$-catenin pathway is a therapeutic strategy for controlling CRC and other types of cancer with aberrantly activated the $Wnt/{\beta}$-catenin and EGFR-RAS pathways, including those with resistance to EGFR-targeting drugs attributed to KRAS mutations.

T-Type Calcium Channels Are Required to Maintain Viability of Neural Progenitor Cells

  • Kim, Ji-Woon;Oh, Hyun Ah;Lee, Sung Hoon;Kim, Ki Chan;Eun, Pyung Hwa;Ko, Mee Jung;Gonzales, Edson Luck T.;Seung, Hana;Kim, Seonmin;Bahn, Geon Ho;Shin, Chan Young
    • Biomolecules & Therapeutics
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    • 제26권5호
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    • pp.439-445
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    • 2018
  • T-type calcium channels are low voltage-activated calcium channels that evoke small and transient calcium currents. Recently, T-type calcium channels have been implicated in neurodevelopmental disorders such as autism spectrum disorder and neural tube defects. However, their function during embryonic development is largely unknown. Here, we investigated the function and expression of T-type calcium channels in embryonic neural progenitor cells (NPCs). First, we compared the expression of T-type calcium channel subtypes (CaV3.1, 3.2, and 3.3) in NPCs and differentiated neural cells (neurons and astrocytes). We detected all subtypes in neurons but not in astrocytes. In NPCs, CaV3.1 was the dominant subtype, whereas CaV3.2 was weakly expressed, and CaV3.3 was not detected. Next, we determined CaV3.1 expression levels in the cortex during early brain development. Expression levels of CaV3.1 in the embryonic period were transiently decreased during the perinatal period and increased at postnatal day 11. We then pharmacologically blocked T-type calcium channels to determine the effects in neuronal cells. The blockade of T-type calcium channels reduced cell viability, and induced apoptotic cell death in NPCs but not in differentiated astrocytes. Furthermore, blocking T-type calcium channels rapidly reduced AKT-phosphorylation (Ser473) and $GSK3{\beta}$-phosphorylation (Ser9). Our results suggest that T-type calcium channels play essential roles in maintaining NPC viability, and T-type calcium channel blockers are toxic to embryonic neural cells, and may potentially be responsible for neurodevelopmental disorders.