• Title/Summary/Keyword: epidermis

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Experimental Study on the Expression of Hair Growth Related Factors after Bee Venom Acupuncture Therapy (봉독약침요법(蜂毒藥鍼療法)에 의한 발모관련 인자들의 발현에 대한 연구)

  • Kim, Ho-Il;Kim, Cheong-Moo;Shin, Hyun-Jong;Lee, Chang-Hyun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.25 no.3
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    • pp.496-502
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    • 2011
  • The present study was undertaken to investigate the effect of bee venom acupuncture therapy on the hair follicle growth by macroscopic, microscopic and immunohistochemical observation of skin 10 and 17 days after treatment. The results were as follows : Macroscopic hair follicle growth of 0.2 ml S.B.V. acupuncture treated group was more prominent than those of 0.1 ml S.B.V. acupuncture treated group and control group. Microscopic observation indicated that the hair follicle growth of control group reached anagen phase IV of hair growing cycle, and that of 0.1 ml and 0.2 ml S.B.V. acupuncture treated groups reached anagen phase VI and catagen, respectively. Immunohistochemical observations of the expression of various cytokines, enzymes and receptors in association with hair follicle cycle after local treatment of S.B.V. acupuncture therapy are as follows: Expression of fibroblast growth factor was more intense in epidermis and outer root sheath in 0.2 ml S.B.V. acupuncture treated group than that of 0.1 ml S.B.V. acupuncture treated group and control group. Expression of epidermal growth factor was more intense in bulge and outer root sheath in 0.2 ml S.B.V. acupuncture treated group than that of 0.1 ml S.B.V. acupuncture treated group and control group. Expression of c-kit receptor was more intense in epidermis, bulge and outer root sheath in 0.2 ml S.B.V. acupuncture treated group than that of control group. Expression of vascular endothelial growth factor was more intense in epidermis, bulge and outer root sheath in 0.2 ml S.B.V. acupuncture treated group than that of control group. Expression of protein kinase C-${\alpha}$ was more intense in epidermis, bulge and outer root sheath in 0.2 ml S.B.V. acupuncture treated group than control group. It is concluded that bee venom acupuncture therapy promoted the expression of various cytokines, enzymes and receptors related to the hair growth cycle for hair growth. This findings indicates that bee venom acupuncture therapy is applicable to the treatment of hair loss.

Developmental Patterns of Glandular Trichomes in Leaves of Vitex negundo (좀목형 엽육 표피조직의 분비모 발달 양상)

  • Park, Jae-Yong;Kim, In-Sun
    • Applied Microscopy
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    • v.40 no.2
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    • pp.101-108
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    • 2010
  • Vitex negundo is an aromatic plant which releases a unique scent due to the presence of essential oil stored presumably within glandular trichomes. The focus of this research was to study developmental patterns of glandular trichomes in Vitex negundo leaves using electron microscopy. There are two types of glandular trichomes which develop on the leaf epidermis of Vitex negundo, peltate glandular type (PT) and capitate glandular type (CT). Structural features differ significantly depending on size and density, formation of secretory cavity, plastid, etc during developmental stages. In young leaves, undifferentiated PTs are densely distributed in the upper epidermis, but are not externally exposed in the lower epidermis because they are covered by non-glandular simple trichomes. Upon leaf development, PTs and CTs show clear structural differentiation in the upper and lower epidermis. PTs are composed of up to eight head cells (ca. 35~40 ${\mu}m$) and one stalk cell (ca. 5 ${\mu}m$), while CTs are composed of four head cells (ca. 10~15 ${\mu}m$) and 1~2 stalk cells (ca. 10 ${\mu}m$). Although secretory cavities develop on the secretory head cells, their size, structure, and formation proceed very differently depending on trichome type. In early development of PT, a large cavity with numerous secretory vesicles form rapidly from the head cells. In CT, however, only a small secretory cavity is formed, slowly relative to PT, without secretory vesicles. The PTs are considered to play an important role in releasing the aromatic components of Vitex negundo.

The Role of Polyunsaturated Fatty Acids In the Canine Epidermis: Normal Structural and Functional Components, Inflammatory Disease State Components, and as Therapeutic Dietary Components (개의 상피에 있어서 정상구조와 기능적 성분, 염증질환 상태에서의 성분 및 치료용 규정식 성분으로서의 다불포화 지방산의 역할(7))

  • Schick M.P.;Schick Robert O.;Reinhart Gregory A.
    • Journal of the korean veterinary medical association
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    • v.33 no.2
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    • pp.71-76
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    • 1997
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Structural Components of Cell Wall in Various Parts of Korean Ginseng(Panax ginseng C. A. Meyer) (고려인삼의 부위별 세포벽 구성성분)

  • 정영륜;박찬수
    • Journal of Ginseng Research
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    • v.7 no.2
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    • pp.169-171
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    • 1983
  • The structural components of cell wall in various parts of Korean ginseng were analysed. Pectin was abundant in the cortex and epidermis of root, and leaf. Hemicellulose in root was more than in other parts of ginseng. Cellulose content of stem and seed coat was much higher compared to other parts and lignin content was highest in seed coat.

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Histopathological and DNA Content Analysis of a Dermal Sarcoma in the Soft-shelled Turtle Pelodiscus sinensis

  • Syasina Iraida Germogenovna;Hur Jun-Wook;Kim Eun-Mi;Park In-Seok
    • Fisheries and Aquatic Sciences
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    • v.9 no.3
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    • pp.107-114
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    • 2006
  • A dermal sarcoma was found in a freshwater, soft-shelled turtle Pelodiscus sinensis. The neoplasm consisted of proliferating fibrous tissue and extended from the dermis. The overlying epidermis was hyperplastic and partially folded. The deeper dermis and hypodermis contained three large, discrete necrotic foci of -10 mm diameter. Numerous eosinophilic granule cells and macro phages surrounded the necrotic areas. A mixed population of cells with nuclear pleomorphism was observed between the papillary layers of vessels. This area also had regions of different histological structures: (l) regularly arranged, spindle-shaped cells with compact nuclei in a fine-fibrillar matrix; (2) haphazardly arranged cells ($\leq$ 23 11m diameter) with ovoid, highly hypertrophic, faintly stained nuclei; and (3) cells (3.6-5.8 11m diameter) with irregularly shaped nuclei and marginal condensed chromatin in a myxomatous matrix. Some mitotic figures, binucleate cells, and multinucleate giant cells of up to 50 11m in length were also found. Flow cytometry of propidium iodide-stained cells yielded different histograms for the normal skin and the skin (primarily epidermis) and fibrous dermis of the tumor, indicating DNA heterogeneity in the dermal portion of the tumor. The ploidy indices for the dermal cells were 1.91 and 0.78, as compared to normal cells.

Distribution and Composition of Dietary Fiber in Various Parts of Ginseng Root (인삼의 부위별 식이섬유소 분포 및 조성)

  • 김은희;최강주
    • Journal of Ginseng Research
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    • v.22 no.4
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    • pp.289-293
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    • 1998
  • Six-year-old ginseng roots were divided into rhizome, main root (epidermis, cortex and xylem) and lateral root (big tail root, mid tail root and fine tail root) and the concentration levels of soluble dietary fiber (SDF) and insoluble dietary fiber (IDF) in each part of the ginseng were investigated. The amount ratios of SDF to IDF (SDF/IDF) in various parts of the ginseng root were also compared. The concentration levels of SDF and IDF in the ginseng root were 6.56% and 15.41 %, respectively, where the level of SDF in main root was a little higher than that of lateral root. However the amount of IDF in main root was lower than that of lateral root. The SDF/IDF was highest in main root, 0.513, which was higher than that of lateral root or rhizome. The SDF/IDF was 0.704 in xylem, 0.478 in cortex, and 0.099 in epidermis of the main root and the SDF/IDF was 0.576 in big tail root, 0.463 in mid tail root, and 0.255 in fine tail root of the lateral root. It has been reported that SDF might have preventive effects on diabetes, obesity, high blood pressure, colon and rectum cancers, while IDF might have preventive effects on constipation. Therefore, main root of six-year- old ginseng root is thought to have a little different physiological activity from lateral or fine tail roots.

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