• Title/Summary/Keyword: 각질

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Effect of Hydrosol Extracted from Chrysanthemum boreale Makino Flower on Proliferation and Migration in Human Skin Keratinocyte (산국화(Chrysanthemum boreale Makino) 유래 Hydrosol의 피부 각질형성세포 증식 및 이주 유도 활성에 미치는 효과)

  • Kim, Do Yoon;Hwang, Dae Il;Yoon, Mi-so;Choi, In Ho;Lee, Hwan Myung
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.42 no.1
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    • pp.95-101
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    • 2016
  • In the present study, we extracted the hydrosol from flower of Chrysanthemum boreale Makino (CBMF hydrosol) by steam distillation and tested the effect of the CBMF hydrosol on skin regeneration using normal human keratinocytes (HaCaTs). CBMF hydrosol induced proliferation as well as migration in HaCaTs in a dose-dependent manner. Treatment with $1{\mu}g/mL$ CBMF hydrosol increased proliferation to $143.71{\pm}3.37%$ and migration to $139.98{\pm}5.72%$ compared with a control group. CBMF hydrosol also significantly enhanced the phosphorylations of extracellular signal-regulated kinase (Erk) 1/2 and serine/threonine-specific protein kinase (Akt) in HaCaTs. Moreover, CBMF hydrosol dose-dependently induced sprout outgrowth in HaCaTs. These results demonstrate that CBMF hydrosol has skin regeneration and wound healing activity in HaCaTs. Therefore, CBMF hydrosol could be used as a potential cosmetic material.

Effects of Ultraviolet Radiation on the Skin (자외선에 의한 피부반응)

  • Youn, Jail-Il
    • Journal of Radiation Protection and Research
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    • v.20 no.3
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    • pp.181-186
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    • 1995
  • UV irradiation causes a variety of biologic effects on the skin. These effects can be devided to acute reactuons and chronic reacxtions by duration of UV irradiation. Acute reactions are erythema reaction, pigment reactions and changes in epidermal thickness. Among them erythema reaction is most common and conspicuous acute effects of the skin. Upon exposure to sun or artificial UV soures, a faint redness response of skin may begin. Larger exposure causes sunburn reaction which is exaggerated erythema reactionassociated with pain, swelling, vesicle and dulla. Extent and time course of erythema reaction depend upon several factors including wavelength and dose of UVR, skin conditions likeas skin type, site, color, temperature, humidity and environmental factors. Evaluation of erythema erythema induced by UV irradiation is difficult to quantify. Degree of redness of skin are usually estimated by subjective visual evaluation. The lowest exposure dose required to protuce erythema is called minimal erythema dose (mod). Repeated exposures of UVR result in photaging skin. In this condition we can see wrinkling, skin atrophy, dilated blood vessels and keratoses. In sensitive persons photocarcinogenesis is can Be developed on exposed area of skin. Recently skin canser is increasing now in our country. An effective public education and photopreventive method must be developed.

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Improvement Effect of Salicornia herbacea L. Diet on the Acne Skin (여드름 피부에 미치는 함초 식이의 피부 개선 효과)

  • Lim, Mi-Ra;Kang, Sang-Mo
    • Journal of the East Asian Society of Dietary Life
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    • v.19 no.5
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    • pp.750-760
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    • 2009
  • In this study, the various effects of Salicornia herbacea, including antioxidative function, antibiotic, and anti-inflammatory effect, and the effect of sebiparous reduction due to intervention of the DHT hormone were investigated using. The result of this study Based on this analysis, the serum total cholesterol, triglyceride, and WBC were found to be significantly decreased and SOD, Ca, K, and Zn were shown to be significantly increased significantly in the group that received the SH pill group after trial fora 12 week trials. Testosterone and DHT were increased in the SH pill group, but it was not statistically significant. In the case of the skin condition measurements, the number of blackhead pores, skin oiliness, keratin and, MIC were significantly decreased, and the pH was decreased to normal pH in the SH pill group. Therefore, it was confirmed that overall skin condition was improved due to Salicornia herbacea diet. The results of this research result can contribute so demonstrate the potential of actively using that the Salicornia herbacea can be actively developed as a health supplement, and a medication.

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Anti-Inflammatory Effects of the Mixture of Sorbus commixta, Urtica dioica, Phyllostachys nigra, and Rhus semialata Gall Extracts on LPS-induced Inflammation in HaCaT Cells (각질형성세포에서 LPS로 유도된 염증반응에 대한 마가목, 쐐기풀, 죽여 및 오배자 혼합추출물의 항염 효과)

  • Lee, Kyung-Eun;Nam, Jin-Ju;Kim, Seon-Mi;Kim, Han-Kon;Moon, Seong-Joon;Youm, Jong-Kyung
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.40 no.1
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    • pp.45-54
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    • 2014
  • Lipopolysaccharide (LPS)-induced inflammatory responses in the HaCaT keratinocyte cell line produce proinflammatory cytokines, such as interleukin-1${\alpha}$(IL-1${\alpha}$), tumor neurosis factor-${\alpha}$ (TNF-${\alpha}$), interleukin-6 (IL-6), and interleukin- 8 (IL-8) and also increase the expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and prostaglandins E2 (PGE2). In this study, we developed new natural ingredients for cosmetics that inhibit the pro-inflammatory responses induced by LPS in HaCaT cells. The mixture of Sorbus commixta (SC), Urtica dioica (UD), Phyllostachys nigra (PN), and Rhus semialata gall (RS) extracts blocked the increase of TNF-${\alpha}$ IL-1${\alpha}$ IL-6, and IL-8. The increase of COX-2, iNOS, and PGE2 were also blocked by it. Finally, the mixture inhibited skin irritation induced by sodium lauryl sulfate (SLS), when applied on skin through IQ chamber$^{(R)}$. In conclusion, these results show that the mixture of SC, UD, PN, and RS can be used as a primary ingredient to alleviate skin irritation when cosmeceutical products are developed for sensitive skin.

Skin Improvement Effects of Chemical Peeling Using Lactic Acid and Glycolic Acid, and Physical Peeling Using Diamonds and Crystals (젖산과 글리콜산을 이용한 화학적 필링, 물리적 필링(다이아몬드 필링과 크리스탈 필링)에 따른 피부개선 효과)

  • Kim, Hyun Kyoung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.9
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    • pp.487-497
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    • 2020
  • The study examined the effects, strength, and weakness of chemical peeling and physical peeling, which are some types of peelings that are commonly used for cosmetic skin management for women. For this study, of which the study period was from November 1 to December 27, 2011, 20 female subjects with the compound skin type were investigated. Ten women were assigned to the chemical peeling group, and the other 10 were assigned to the physical peeling group. The experiment continued for six weeks, with one test session per week, totaling six tests. During each session, a skin measurement instrument was used to measure the oil, keratin, pore, wrinkles, and pigments. The results of the tests showed that, in the case of chemical peeling, both glycolic acid peeling and lactic acid peeling were effective in preserving the skin moisture. With physical peelings, crystal peeling was more effective on wrinkles, while diamond peeling was more effective in keratin and pigment improvement. A comparison of the peeling with different media revealed physical peelings to have more effect on more items, but chemical peeling was more effective in moisture and oil changes.

Scanning electron microscopic observations of Thezazia callipaeda from human (인체 기생 Thelatria cazlipaeda의 주사전자현미경적 관찰)

  • 최원영;윤지혜
    • Parasites, Hosts and Diseases
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    • v.27 no.3
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    • pp.217-224
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    • 1989
  • Four females and a male nematode isolated from 2 patients who visited eye clinics In Seoul were identified as Thelazia callipaeda and their ultrastructures were observed by scanning electron microscopy(SEM). General features of the worms were slender and attenuated at both ends. Vaginal opening was located at 0.27 mm from the anterior end, and in front of the esophagointestinal junction. In the body cuticle transverse striations varied characteristically through the body. The number of cuticular transverse striations was 400∼650/mm at head portion, 250/mm at middle portion and 300∼350/mm at tail portion. The SEM observation of the mouth part of the females showed 6 cord-like cuticular thickenings in hexagonal arrangement and an amphid was observed. A lateral line, a vaginal opening, a pair of phasmids, and an anus were identified in the body portion. A pair of papillae and 6 cord-like cuticular thickenings were on the mouth part of the male. It was difficult to observe structures at the tail of the male except wrinkle-like structures. Most of the larvae isolated from the uterus of a female worm were sheathed and thus cuticular striations were not Eren. Others were unsheathed and revealed cuticular striations. The oval membrane which encysted sheathed larvae was also observed. These are the 18th and 19th record of human thelaziasis in Korea as the literature are concerned.

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Beneficial Effect of a Collagen Peptide Supplement on the Epidermal Skin Barrier (콜라겐 펩타이드의 피부 장벽 보호 효과)

  • Kim, Jeong-Kee;Lee, Ji-Hae;Bae, Il-Hong;Seo, Dae-Bang;Lee, Sang-Jun
    • Korean Journal of Food Science and Technology
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    • v.43 no.4
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    • pp.458-463
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    • 2011
  • Recent studies have revealed that collagen peptide (CP) plays a protective role in skin by improving the activity of antioxidants and acts as an inducer of skin regeneration by positive feedback. In this study, we focused on the beneficial effect of reinforcing the CP skin barrier. To evaluate the skin barrier, hairless mice were exposed to UVB irradiation and acetone-treatment, with or without oral administration of CP. The effects on skin appearance, trans-epidermal water loss, epidermal thickness, and cytokine content were measured using bioengineering and histochemical methods. In the CP treated group, the skin had better appearance and less damage than that of the control. Furthermore, in HaCaT cells, the amount of serinepalmytoyl transferase (SPT) mRNA increased by about 1.6-fold after treatment (CP, 100 mg/L), reflecting that CP can induce SPT expression and reinforce the recovery of skin barrier function. These results suggest that CP is not only an anti-wrinkling agent but also a potent candidate as an epidermal moisturizer.

Effects of 14 Chung-bu Medicinal Materials Described in the Dongui Bogam on Inflammatory Cytokines Production in HaCaT Keratinocytes (피부각질형성세포에서 동의보감 충부약재 14 종이 염증성 사이토카인 생성에 미치는 영향)

  • Park, Gunhyuk;Moon, Byeong Cheol;Lim, Hye-Sun
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.46 no.2
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    • pp.195-204
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    • 2020
  • The purpose of this study was to investigate the effects of 14 Chung-bu medicinal materials described in the Dongui Bogam on inflammatory cytokine production in HaCaT human keratinocyte cells. In order to confirm this possibility, we screened inhibition activity of 17 cytokines using Bio-Plex ProTM Human Cytokine 17-plex assay in HaCaT cell lines. Of the 14 Chung-bu medicinal materials, Holotrichia (Ho) and Scorpio (Sc) exerted inhibitory effects on interleukin (IL)-5 production; Ho, Mantidis Ootheca (MO), and Hirudo (Hi) exerted inhibitory effects on IL-6 production; Ho, MO, Lumbricus (Lu), Hi, and Meretricis Concha (MC) showed significant inhibitory effects on IL-8 production; Gecko (Ge), Bombycis Faeces (BF), Cicadidae Periostracum (CP), and MC showed significant inhibitory effects on IL-13 production; and Testudinis Chinemis Plastrum et Carapax (TCPC), BF, and Lu exerted significant inhibitory effects on MIP-1β production. Results indicated that the Chung-bu medicinal materials might be a good candicate as potential anti-inflammatory agents for inhibition of skin inflammation. However, further investigations on these materials, including mechanistic studies, should be carried out to validated the effects in human skin equivalent models of dermatitis.

Feline Herpes Virus-1 Associated Facial and Perianal Dermatitis in a Cat (고양이 헤르페스 바이러스-1 감염과 관련된 고양이의 안면 및 회음부 피부염)

  • Yoon, Ji-Seon;Yabuzoe, Astushi;Sekiguchi, Maiko;Park, Jinho;Iwasaki, Toshiroh;Nishifuji, Koji
    • Journal of Veterinary Clinics
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    • v.30 no.3
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    • pp.210-213
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    • 2013
  • We herein describe a feline case of facial dermatitis whose histopathological features resembled to those of FHV-associated ulcerative dermatitis. A 3-year-old, intact male domestic short-haired cat was presented with 2-years history of pruritic dermatitis that initially appeared on periocular area and extended toward the entire face. The cat had ocular discharge and conjunctivitis from 2-month of age. Clinically, skin lesions were characterized as erythema, erosions and ulcers covered with crusts on the facial and perianal area. Histopathologically, the facial lesion was characterized as interface dermatitis with hydropic degeneration at the basal layer, and single cell necrosis of keratinocytes. In addition, the epidermal and dermal necrosis infiltrated with eosinophils, and intranuclear inclusion bodies in keratinocytes were also recognized. Moreover, feline herpesvirus-1 gene was detected by a PCR analysis using a swab obtained from the crusted lesions. Based upon these findings, the present case was considered as having FHV-associated ulcerative dermatitis. Therapy including oral acyclovir and topical recombinant feline interferon omega resulted in marked improvement of the skin and mucosal lesions.

Efficiency of Essential oil about the Skintroubles induced Surfactants - Palmarosa, Neroli essential oil - (계면활성제 유발된 피부장애의 아로마 에션셜 오일의 유효성 연구 - Palmarosa, Neroli essential oil을 중심으로 -)

  • Jung, Hyun-Mee;Choi, Jeung-Sook
    • Fashion & Textile Research Journal
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    • v.8 no.3
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    • pp.331-335
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    • 2006
  • The effectiveness of Palmarosa and Neroli essential oil on dry skin of rat induced by kitchen detergent are investigated. The experimental groups were divided the control group (C), group treated with surfactant (A1), group treated with Palmarosa (A2), group treated with Neroli (A3), group treated with Palmarosa and Neroli (A4). The protein analysis of all experimental groups was performed with SDS polyacrylamide gel electrophoresis and observation of epidermis and the alteration of mast cell were performed with photomicroscope. According to the protein analysis, the A3 group treated with Neroli essential oil was appeared the most similar with the control group. And then the A4 group treated with Palmarosa + Neroli essential oil was appeared the most similar with the control group. According to the results of morphologic view with keratin layer, the keratin layer's breakaway resulting from Palmarosa essential oil, the keratin layer's restoration resulting from Neroli essential oil was appeared. And then the structure of the epidermal layer was preserved by hyperkeratosis reaction. In photomicrosopic obersevation of mast cell to examine the inflammatory reactions, the increase in size and number of mast cell were showed in A1 group treated with surfactant compared to the control group (C). The number of mast cells definitely decreased in groups (A3, A4) which were treated with Neroli essential oil.