• Title/Summary/Keyword: anti-aging

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Anti-aging Effects of Sweroside Isolated from Nymphoides indica (어리연꽃으로부터 분리한 Sweroside의 항노화 효과)

  • Kim, You Ah;Kim, Dong Hee;Park, Chae Bin;Park, Tae Soon;Park, Byoung Jun
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.44 no.2
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    • pp.103-110
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    • 2018
  • To develop a new functional agent for cosmetics, we investigated the anti-aging activities in fibroblasts using sweroside isolated from Nymphoides indica. The anti-aging effect of sweroside was validated in CCD-986sk cells. Results showed that sweroside inhibited expressions of UVB-induced ROS and increased pro-collagen. Furthermore, sweroside had inhibited MMP-1 expression. Taken together, the results suggested that sweroside has considerable potential as a new cosmetics ingredient with an anti-aging effect.

Anti-aging potential of fish collagen hydrolysates subjected to simulated gastrointestinal digestion and Caco-2 cell permeation

  • Je, Hyun Jeong;Han, Yoo Kyung;Lee, Hyeon Gyu;Bae, In Young
    • Journal of Applied Biological Chemistry
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    • v.62 no.1
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    • pp.101-107
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    • 2019
  • The objectives of this study were to evaluate the anti-aging effects and investigate the effect of simulated gastrointestinal (GI) digestion on the anti-aging properties and intestinal permeation of the potential fish collagen hydrolysates (FCH). Therefore, procollagen synthesis, matrix metalloproteinase-1 (MMP-1) production, and Caco-2 cell permeability were analyzed before and after in vitro digestion for FCHs, low-molecular weight fractions (<1 kDa), and high molecular weight fractions (>1 kDa). After being subjected to GI digestion, the level of MMP-1 inhibition was maintained, although the procollagen production was significantly (>20%) lower with all samples. Also, the digested FCHs and their <1 kDa fraction yielded 9.1 and 13.8% increased peptide transport, respectively, compared to undigested samples. Based on the effective intestinal permeation and high digestive enzyme stability, the <1 kDa fraction of FCHs is a potential bioactive material suitable for anti-aging applications in the food and cosmetics industries.

Wearable Sensor based Gait Pattern Analysis for detection of ON/OFF State in Parkinson's Disease

  • Aich, Satyabrata;Park, Jinse;Joo, Moon-il;Sim, Jong Seong;Kim, Hee-Cheol
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2019.05a
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    • pp.283-284
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    • 2019
  • In the last decades patient's suffering with Parkinson's disease is increasing at a rapid rate and as per prediction it will grow more rapidly as old age population is increasing at a rapid rate through out the world. As the performance of wearable sensor based approach reached to a new height as well as powerful machine learning technique provides more accurate result these combination has been widely used for assessment of various neurological diseases. ON state is the state where the effect of medicine is present and OFF state the effect of medicine is reduced or not present at all. Classification of ON/OFF state for the Parkinson's disease is important because the patients could injure them self due to freezing of gait and gait related problems in the OFF state. in this paper wearable sensor based approach has been used to collect the data in ON and OFF state and machine learning techniques are used to automate the classification based on the gait pattern. Supervised machine learning techniques able to provide 97.6% accuracy while classifying the ON/OFF state.

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Antioxidant activity and anti-inflammatory activity of ethanol extract and fractions of Doenjang in LPS-stimulated RAW 264.7 macrophages

  • Kwak, Chung Shil;Son, Dahee;Chung, Young-Shin;Kwon, Young Hye
    • Nutrition Research and Practice
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    • v.9 no.6
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    • pp.569-578
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    • 2015
  • BACKGROUND/OBJECTIVES: Fermentation can increase functional compounds in fermented soybean products, thereby improving antioxidant and/or anti-inflammatory activities. We investigated the changes in the contents of phenolics and isoflavones, antioxidant activity and anti-inflammatory activity of Doenjang during fermentation and aging. MATERIALS/METHODS: Doenjang was made by inoculating Aspergillus oryzae and Bacillus licheniformis in soybeans, fermenting and aging for 1, 3, 6, 8, and 12 months (D1, D3, D6, D8, and D12). Doenjang was extracted using ethanol, and sequentially fractioned by hexane, dichloromethane (DM), ethylacetate (EA), n-butanol, and water. The contents of total phenolics, flavonoids and isoflavones, 2,2-diphenyl-1 picryl hydrazyl (DPPH) radical scavenging activity, and ferric reducing antioxidant power (FRAP) were measured. Anti-inflammatory effects in terms of nitric oxide (NO), prostaglandin (PG) E2 and pro-inflammatory cytokine production and inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2 expressions were also measured using LPS-treated RAW 264.7 macrophages. RESULTS: Total phenolic and flavonoid contents showed a gradual increase during fermentation and 6 months of aging and were sustained thereafter. DPPH radical scavenging activity and FRAP were increased by fermentation. FRAP was further increased by aging, but DPPH radical scavenging activity was not. Total isoflavone and glycoside contents decreased during fermentation and the aging process, while aglycone content and its proportion increased up to 3 or 6 months of aging and then showed a slow decrease. DM and EA fractions of Doenjang showed much higher total phenolic and flavonoid contents, and DPPH radical scavenging activity than the others. At $100{\mu}g/mL$, DM and EA fractions of D12 showed strongly suppressed NO production to 55.6% and 52.5% of control, respectively, and PGE2 production to 25.0% and 28.3% of control with inhibition of iNOS or COX-2 protein expression in macrophages. CONCLUSIONS: Twelve month-aged Doenjang has potent antioxidant and anti-inflammatory activities with high levels of phenolics and isoflavone aglycones, and can be used as a beneficial food for human health.

Buckwheat Extract Increases Resistance to Oxidative Stress and Lifespan in Caenorhabditis elegans (꼬마선충에서 메밀 추출물에 의한 산화성 스트레스 저항성 증가 및 수명 연장 효과)

  • Kim, Chul Kyu;Park, Sang Kyu
    • Korean Journal of Medicinal Crop Science
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    • v.21 no.1
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    • pp.1-6
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    • 2013
  • Buckwheat (Fagopyrum esculentum) has been known for having strong anti-oxidant, anti-mutagenic, and anti-carcinogenic activities. The free radical theory of aging, also known as the oxidative stress theory of aging, claims that cellular oxidative damage accumulated with time is a major causal factor of aging. In the present study, we investigated the effect of buckwheat extracts on resistance to oxidative stress and aging using Caenorhabditis elegans as a model system. Survival under an oxidative-stress condition induced by paraquat increased markedly following 500mg/L buckwheat extracts treatment, suggesting lower cellular oxidative damage by buckwheat extracts. A lifespan assay also revealed that treatment of buckwheat extracts significantly extended both the mean and maximum lifespan in C. elegans. Interestingly, this lifespan-extension by buckwheat extracts was not accompanied by reduced fertility. These findings suggest that buckwheat extracts can confer longevity phenotype to C. elegans through its strong anti-oxidant activity and support the aging theory which emphasizes a pivotal role of oxidative stress during aging.

Approach of Antiaging Care in Cosmetics (항노화 화장품 연구 개발 동향)

  • Chang, Ih-Seop;Son, Ui-Dong;Hwang, Jae-Seong
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.31 no.3 s.52
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    • pp.213-218
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    • 2005
  • Recently, with the remarkable increase in elderly persons and improvement of skin care technique, the requirements of customer for anti-aging care have become very important. Also, after cosmeceutical-product law was done in 2001, the major interesting field in cosmetic industry has been focused to developing anti-aging materials having safety and efficacy by basic science. In this review, we ill introduce the trend of anti-aging research and materials to prevent wrinkle or improve elasticity of skin.

Anti-aging herbal formulae in Dongeuibogam : Identification of candidates by text mining (『동의보감(東醫寶鑑)』에서 항노화 효능을 가진 복방(複方) 후보군의 선별에 대한 연구)

  • Pae, Seung-Bin;Yun, Byeong-Cheol;Baek, Jin-Ung
    • Journal of Korean Medical classics
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    • v.28 no.4
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    • pp.1-9
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    • 2015
  • Objectives : The main aims of this study were to identify candidate anti-aging herbal formulae(CAHF) from Dongeuibogam. Methods : We analyzed the terms describing effect of 3,901 herbal formulae on Dongeuibogam and selected the terms describing the anti-aging effect of herbal formulae(TAEHF). Finally, we generated a list of CAHFs based on TAEHFs. Results & Conclusions : 1. We finally selected 162 TAEHFs on Dongeuibogam. 2. We finally selected 138 CAHFs on Dongeuibogam(15CAHFs for external use, 123CAHFs for internal use). 3. TAEHFs are classified into 9 types. 4. CAHFs are classified into 9 types.

Recent Trends on Telomerase Activators, Sirtuin Activators, and Senolytics as a Potential Anti-aging Agent (잠재적인 항노화제로 텔로머레이즈 활성화제, 서르튜언 활성화제, 세노릭틱스에 대한 최신 동향)

  • Kim, Moon-Moo
    • Journal of Life Science
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    • v.30 no.9
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    • pp.819-825
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    • 2020
  • All living organisms exhibit the characteristics of aging, such as skin wrinkle formation, muscle degeneration, cataracts, and hair graying as the number of aged cells increases over time. Senescence, which is known as a key cause of aging, is directly related to the aging of living organisms because cells are aged by external and internal factors and eventually cell proliferation is stopped. Senescence is caused by the gradual shortening of the telomere with cell division, and lifespan is determined by the length of the telomere. Recently, it has been found that the histone deacetylase, which can influence gene expression, is not only involved in yeast but also deeply involved in anti-aging mechanisms in both C. elegans and humans. It was also discovered that old cells play a decisive role in the aging phenomenon, and it has been reported that it is possible to promote the proliferation of young cells and delay aging by removing these senescent cells from the inside. Therefore, in order to develop potential anti-aging agents in the future, research should begin with an in-depth study of telomerase activators, sirtuin activators, and senolytics.

The Study on the Anti-aging Effects of Mallotus japonicus Bark Extracts (예덕나무 피 추출물의 노화 방지 효과에 관한 연구)

  • Lee Kang Tai;Lee Jeong No;Ahn Gi Woong;Jeong Ji Hean;Jo Byoung Kee
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.30 no.4 s.48
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    • pp.445-448
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    • 2004
  • Aging is divided into intrinsic aging and photo-aging. Intrinsic aging is naturally occurred as the time passed and photo-aging is induced by the UV radiation of skin. The main reason of aging is the free radicals and the degeneration of the cellular materials by free radicals. In this paper, we checked the anti-aging effects of Mallotus japonicus bark extracts. It has the ability to scavenge free radicals and the SOD like activity. Also, it reduced the cell damage by hydrogen peroxide treatment. Mallotus japonicus bark extracts showed the excellent activity on inhibiting the UV induced cell damage and DNA damage. In conclusion, Mallotus japonicus bark extracts can be used as active ingredients for anti-aging cosmetics.

Anti-Aging Effect of Nigella Sativa Fixed Oil on D-Galactose-Induced Aging in Mice

  • Shahroudi, Mahdieh Jafari;Mehri, Soghra;Hosseinzadeh, Hossein
    • Journal of Pharmacopuncture
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    • v.20 no.1
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    • pp.29-35
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    • 2017
  • Objectives: Aging is an unconscious and gradual process that can lead to changes in biological systems. Induction of oxidative stress and apoptosis, hepatotoxicity and neurotoxicity are involved in the aging process. Regarding the antioxidant property of black seed oil, the aim of this study was to evaluate the anti-aging effect of Nigella sativa (N. sativa) oil on d-galactose-induced aging in mice. Methods: For induction of aging, D-galactose (500 mg/kg, subcoutaneously SC) was administrated to male mice for 42 days. Animals were treated with D-galactose alone or with b lack seed oil (0.1, 0.2, 0.5 mL/kg, intraperitoneally (ip)). Additionally, vitamin E (200 mg/kg) was used as a positive control. At the end of treatment, the malondialdehyde (MDA) and the glutathione (GSH) contents in brain and liver tissues were measured. Also, enzymes in serum, including aspartate aminotransferase (AST) and alanine amino transferase (ALT), were determined. The levels of the proteins Bax, Bcl2, caspase-3 (pro and cleaved) in brain and liver tissues were evaluated. Results: Administration of D-galactose (500 mg/kg, SC) for 42 days increased serum levels of ALT and AST, as well as the MDA content, in brain and liver tissues, but decreased the GSH content. Additionally, the levels of apoptotic proteins, including Bax, procaspase-3 and caspase-3 cleaved, were markedly increased. N. sativa oil (0.1 and 0.2 mL/kg) diminished the levels of the biochemical markers ALT and AST. Administration of black seed oil (0.1, 0.2 and 0.5 mL/kg) reduced lipid peroxidation and at doses 0.1 and 0.2 mL/kg significantly recovered the GSH content. The oil decreased Bax/Bcl2 levels and at 0.1 mL/kg down-regulated the expressions of caspase-3 (pro and cleaved) proteins in brain and liver tissues. Conclusion: Through its antioxidant and anti-apoptosis properties, black seed oil exhibited an anti-aging effect in a model of aging induced with D-galactose.