• Title/Summary/Keyword: 생리학

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Physiological Effects of Casein-derived Bioactive Peptides (카제인 유래 생리활성 Peptide의 체내 효과)

  • Jung, Ho-Jung;Min, Bock-Ki;Kwak, Hae-Soo
    • Food Science of Animal Resources
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    • v.29 no.6
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    • pp.659-667
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    • 2009
  • Casein is considered to be the main source of protein in milk; therefore, many studies have been conducted to identify casein-derived bioactive peptides and their physiological effects. Casein is inactive within the parent protein but can be liberated by various proteases and enzymatic hydrolysis during microbial fermentation and gastrointestinal digestion. Once absorbed, casein exhibits different bioavailabilities in the body. Specifically, casein-derived peptides function as angiotensin converting enzyme (ACE) inhibitor in the cardiovascular system; thus, they are expected to reduce and prevent hypertension. Additionally, casein-derived peptides behave as opioid-like peptides in the nervous system, which impacts relaxation. These peptides are also expected to modulate various aspects of immune functions. Finally, caseinophosphopeptide (CPP) and glycomacropeptide (GMP) may exhibit a number of nutritional effects such as the absorption of calcium, iron or zinc. Many studies have been conducted to evaluate casein-derived peptides due to their multifunctional properties and the results of these studies have contributed to the development of a wide variety of functional dairy products. The purpose of this paper was to review the generation of bioactive peptides, their absorption and metabolism, and their specific bioactive effects.

Effect of Lactiplantibacillus plantarum JSA22-fermented Rice Drinks against Dextran Sodium Sulfate-induced Colitis in Mice (Dextran Sodium Sulfate 유발 마우스 대장염에서 Lactiplantibacillus plantarum JSA22 쌀 발효물의 효과)

  • Jisong You;Dahyun Seon;Hyun Seok Choi;Min Seob Kim;Myeong Hwan Yu;Jong Sik Jin;Dong Keun Kim;Hye Sun Choi;Jung Ho Park;Yong Sung Kim;Moon Young Lee
    • The Korean Journal of Food And Nutrition
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    • v.37 no.1
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    • pp.1-8
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    • 2024
  • This study investigated the effect of Lactiplantibacillus plantarum JSA22-fermented rice drinks on dextran sodium sulfate (DSS)-induced colitis in mice. Twenty-four mice were randomly assigned; No colitis (Con), colitis with tap water (DSS-only), colitis with unfermented rice (DSS-UFR), and colitis with fermented rice (DSS-FR). After inducing colitis with 2% DSS for 5 days, they were given Tap water, UFR drink, or FR drink for an additional 6 days. The DSS-FR group had significantly lower Disease Activity Index (DAI) scores compared to the DSS-only group, but no significant difference with the DSS-UFR group. Colon length was reduced in the DSS-only group. The DSS-only group had significantly higher IL-6 mRNA levels compared to the Con group, while the DSS-FR groups showed significantly lower IL-6 mRNA levels compared to the DSS-only group. These results suggest that rice drinks fermented with Lactiplantibacillus Plantarum JSA22 ameliorate the severity of DSS-colitis, by potentially reducing proinflammatory cytokines.

On the Estimation Techniques of Hurst exponent (허스트 지수 산정 방법에 대한 고찰)

  • Kim, Byung-Sik;Kim, Hung-Soo;Seoh, Byung-Ha
    • Journal of Korea Water Resources Association
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    • v.37 no.12
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    • pp.993-1007
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    • 2004
  • There are many different techniques for the estimation of the Hurst exponent. However, the techniques can produce different characteristics for the persistence of a time series each other. This study uses several techniques such as adjusted range, resealed range(RR) analysis, modified restated range(MRR) analysis, 1/f power spectral density analysis, Maximum Likelihood Estimation(MLE), detrended fluctuations analysis(DFA), and aggregated variance time(AVT)method for the Hurst exponent estimation. The generated time series from chaos and stochastic systems are analyzed for the comparative study of the techniques. Then this study discusses the advantages and disadvantages of the techniques and also the limitations of them.

High Frequency Ventilation (고빈도 환기법)

  • Lee, Hyeon-U;Lee, Gwan-Ho
    • Journal of Yeungnam Medical Science
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    • v.10 no.1
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    • pp.1-17
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    • 1993
  • 고빈도 환기법은 최근에 개발되어 임상에 응용되면서 호흡생리학, 마취학, 집중치료의 학등의 분야에서 호흡부전의 새로운 치료법으로 관심이 집중되고 있는 환기법이다. 현재까지 고빈도 환기법중 고빈도 양압 환기와 제트 환기는 비교적 많은 연구가 되고 있고 임상적으로 사용되고 있으나 고빈도 진동 환기법은 제한적으로 사용되고 있다. 앞으로 고빈도 진동 환기법에 대해서도 더 많은 연구가 되어야 할 것이다. 또한 최근 개발되고 있는 고빈도 흉벽 진동 환기와 체표면 진동 환기에도 관심을 기울이면 호흡부전 환자의 치료에 바람직한 새로운 환기법이 될 수 있을 것으로 기대된다. 현재 고빈도 환기법의 몇몇 적용형태는 기관지-늑막루등의 폐압손상으로 인한 병변의 치료외에도 기관수술, 흉부수술, 뇌수술에서 수술부위의 움직임을 최소화시키면서 충분한 가스교환율 이룩할 수 있어서 효과적으로 이용되고 있다. 그러나 응급심폐소생술, 폐쇄성 폐질환, 성인 또는 영아 호흡곤란증후군등과 같은 질환에서의 적용은 더 규명되어져야겠다. 고빈도 환기법의 여러가지 문제점중 적절한 환기빈도의 결정, 충분한 습도를 공급하는 장치, 고빈도 환기의 정확한 감시장치의 개발등은 앞으로 우선적으로 해결해야 할 문제점이다. 또한 임상에 더욱 효과적으로 응용될 수 있는 새로운 환기법이 되기 위해서는 고빈도 환기법의 호흡생리와 안정성등에 관한 연구도 병행되어야겠다.

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Effect of Cheongpyesagan-tang on LPS Induced Inflammation in RAW 264.7 Cells (LPS로 유도된 RAW 264.7 cell의 염증반응에서 청폐사간탕(淸肺瀉肝湯)의 항염증 효과)

  • Kim, Tae Yeon;Leem, Kang Hyun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.33 no.1
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    • pp.31-38
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    • 2019
  • Cheongpyesagan-tang (CP) is one of the traditional medicinal prescription to treat Taeumin (太陰人)'s disease. It has been commonly used for the treatment of stroke, arthritis, diabetes and obesity. In this study, we investigated an anti-inflammatory potential of CP water extract. We examined the effects of CP on the lipopolysarccharide (LPS)-induced production of nitric oxide (NO) and prostaglandin $E_2$ ($PGE_2$). We also examined the levels of protein or mRNA of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and proinflammatory cytokines in RAW 264.7 cells. CP inhibited NO and $PGE_2$ production in a dose dependent manner and decreased the protein and mRNA expression of iNOS and COX-2. Also, CP decreased the mRNA expression of interleukin-6 (IL-6), interleukin-$1{\beta}$ (IL-$1{\beta}$), tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$). These results suggest that CP has potential as anti-inflammatory therapeutic medicine.

Effects of Korean Medicine on Post-rotator Cuff Surgery Patients : A Retrospective Observational Study (회전근개 파열 수술 후 환자에 대한 한의학적 치료 효과 : 후향적 관찰연구)

  • Park, Jeong Wook;Oh, Min Seok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.33 no.4
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    • pp.233-238
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    • 2019
  • The aim of this study was to investigate the effect of Korean medicine treatments on pain reduction and functional improvement of patients after rotator cuff surgery. We studied 10 patients who had admitted to Dunsan Korean Medical hospital after have being diagnosed as rotator cuff tear and got a surgery at other hospital from April 30, 2014 to April 30, 2019. This study was conducted as retrospective study which analyzes patient's medical records. Statistical analysis was performed using the IBM SPSS statistics 24 program. We used Numeric Rating Scale to evaluate pain reduction, Range of Motion to evaluate shoulder functional improvement and Five-point likert scale to evaluate the patient's satisfaction. The result showed that Korean medicine treatments statistically significantly reduced pain on the patients after rotator cuff surgery. Although there were improvement of Range of Motion, it wasn't statistically significant. In conclusion, we found that the Korean medicine treatments showed a positive effect on pain reduction of patients after rotator cuff surgery and got a high satisfaction.

Effects of Korean Medicine Treatments on Pain Reduction of Postoperative Meniscal Injury Patients : A Retrospective Observational Study (슬관절 반월상 연골 파열 후 수술 환자의 통증 감소에 대한 한의학적 치료 효과: 후향적 관찰연구)

  • Kim, Sang Woo;Oh, Min Seok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.33 no.4
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    • pp.219-225
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    • 2019
  • The objective of this study is to observe the effectiveness of complex Korean Medicine treatments on pain reduction of patients after meniscal surgery. We analyzed 16 patients who have been diagnosed as Meniscal injury on Magnetic Resonance Imaging(MRI) scan and had admitted to Dunsan Korean Medical hospital from January 30, 2014 to April 30, 2019. The analysis was conducted as retrospective study which analyzes patient's medical records. Statistical analysis was performed using the IBM SPSS statistics 25 program. We used Numeric Rating Scale to evaluate pain reduction, Five-point likert scale to asses treatment satisfaction. The result showed that there were statistically significant pain reduction on the postoperative meniscal injury patients treated with complex Korean Medicine treatments. In conclusion, we found that the complex Korean Medicine treatments showed a positive effect on pain reduction of postoperative meniscal injury patients. Further research is required to confirm the effectiveness of Korean Medicine treatment.

Effect of Korean Medicine Treatments for Pain Reduction in Patients with Hip Fracture : A Retrospective Observational Study (고관절을 이루는 골격의 골절 환자의 통증 감소에 대한 한의학적 치료 효과 : 후향적 관찰연구)

  • Kim, Nam Hoon;Oh, Min Seok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.34 no.5
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    • pp.263-268
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    • 2020
  • The aim of this study was to observe the effectiveness of Korean Medicine treatments on pain reduction of patients who were diagnosed hip fracture - Acetabulum and Proximal Femur. We reviewed the 17 patients' records who had admitted to Daejeon Korean Medical hospital and diagnosed fracture of acetabulum or proximal femur bones from January 1, 2011 to April 30, 2020 during the admission retrospectively. Statistical analysis was done using the IBM SPSS statistics 25 program. We measured Numeric Rating Scale to evaluate the treatment's efficacy. Korean Medicine treatments reduced median of Numeric Rating Scale reduced statistically significantly from 6.00 to 3.00(p<0.05). During the admission, patients didn't experience the side effects of Korean Medicine treatments. In conclusion, these results implied that Korean medicine treatments showed a positive effect on pain reduction of hip fracture patients. Further research is required to confirm the effectiveness of Korean Medicine treatments.

Root Bark extract of Morus alba L. Suppressed the Migration and Invasion of HCT116 Human Colorectal Carcinoma Cells (HCT116 인체 대장암 세포주에서 상백피 추출물에 의한 전이 억제 효과)

  • Park, Shin-Hyung;Park, Hyun-Ji
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.35 no.5
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    • pp.177-184
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    • 2021
  • The root bark of Morus alba L. (MA) used in traditional oriental medicine for the treatment of pulmonary diseases exerts various pharmacological activities including anticancer effects. In the current study, we investigated the effects of MA on the migration and invasion of colorectal carcinoma cells. Results from a transwell assay showed that the methylene chloride extract of MA (MEMA) suppressed the migration and invasion of HCT116 human colorectal carcinoma cells in a concentration-dependent manner. MEMA reduced both mRNA and protein levels of matrix metalloproteinase (MMP)-9, but did not suppress the expression of MMP-2 in HCT116 cells. As a molecular mechanism, MEMA inhibited the phosphorylation of mitogen-activated protein kinases (MAPKs), including ERK, JNK and p38, in a dose-dependent manner. In addition, MEMA dephosphorylated both Src and signal transducer and activator of transcription 3 (STAT3) in HCT116 cells. Taken together, we demonstrate that MEMA suppressed the migration and invasion capacity of HCT116 human colorectal cancer cells by downregulation of MMP-9 and inactivation of both MAPKs and Src/STAT3 signaling pathway.

A Review of Clinical Studies of Chinese Medicine Treatment for Postherpetic Neuralgia - Research using CNKI Database (대상포진 후 신경통의 중의치료 최신 연구 동향 - CNKI 검색을 중심으로)

  • Rho, Yeun Wha;Kim, Yeong Mok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.36 no.2
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    • pp.41-47
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    • 2022
  • Postherpetic neuralgia(PHN) is one of the most common intractable chronic pain syndromes. This review was conducted to investigates the trends in recent clinical studies of PHN in China and to find out the efficacy of Chinese medicine treatment for PHN. Based on CNKI databases, nineteen randomized controlled trials(RCTs) were analyzed. The search focused on the authors, publication year, sample size, age, duration of illness, treatment period, lesion sites, methods, outcome measures, and results of the selected articles. Four studies used herbal medicine. The most frequently used herbs were Angelicae Gigantis Radix(當歸) and Corydalis Tube(玄胡索). Eighteen studies used acupuncture treatment. The most frequently used acupoints were ST36, LR3, LI4. Three studies used moxibustion and 5 studies used cupping treatment. In all nineteen studies, the efficacy of Chinese medicine treatments was confirmed. More varied and scientifically designed clinical studies are required to develop treatments for PHN. The results of current study could be used as guidance for further studies of treatment on PHN.