• 제목/요약/키워드: collagen fiber

검색결과 178건 처리시간 0.026초

Conjugated Linoleic Acid(CLA)와 Coumarin의 첨가가 꽃사슴 녹용 및 혈액의 생화학적 성분에 미치는 영향 (Effect of Feeding of Conjugated Linoleic Acid(CLA) and Coumarin on the Biochemical Composition of Velvet Antler and Blood Serum in Spotted Deer(Cervus nippon))

  • 전병태;정지훈;이상무;문상호
    • Journal of Animal Science and Technology
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    • 제47권3호
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    • pp.429-438
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    • 2005
  • This experiment was conducted to determine the effects of feeding CLA and coumarin on the changes of biochemical composition of velvet antler and blood serum in spotted deer (Cervus nippon). There were no significant differences between treatments in crude protein, crude fiber, and crude ash contents of velvet antler. The content of fatty acid did not differ between treatments, although there were significant differences (P<0.05) in C16:0 and C20:0. The content of collagen was significantly higher (P<0.05) in control than those in CLA and coumarin treatments. There were no significant differences between treatments in the contents of amino acids. Some constituents of blood showed much differences in comparison of pre and post-experiment for all treatments. Feeding of CLA and coumarin was not influential on the chemical composition of velvet antler and blood serum.

Propolis가 토끼의 전층 피부 창상치유에 미치는 영향 (Effect of Propolis on Healing of Full-thickness Skin Wound in Rabbits)

  • 정성일;강성수;조성구;정석화
    • 한국임상수의학회지
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    • 제17권1호
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    • pp.62-69
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    • 2000
  • The effects of vaselin, silver sulfadiazine and propolis on healing of full-thickness skin defects were evaluated in rabbits. Two wounds measuring 2{times}2cm$ were created bilaterally (4 wounds/rabbit) on the dorsolateral aspect of the trunk of 17 Ne Zealand white. Wound treatments were evenly distributed 4 sites, using a Latin square design. Treatments evaluated were: vaselin(group A), silver sulfadiazine(group B), 5% propolis (group C) and 10% propolis(group D). On days 3, 7 and 14, mean percentage of wound in group A, B, and C. On days 21 and 28, mean percentage of wound contraction in group D were significantly higher than those of groups B and C, but were not higher than that of group A. Microscopically fibersis and epithelialization were noticed on days 14 and 28 after wounding in all group. Rates of fibrosis of collagen fiber and epithelialization of groups C and D were exceeded those of groups A and B. All wounds in all group achieved 100% healing during the 28-day study period. Results indicate that use of propolis as would ointment on full-thickness skin wounds in rabbits increase rate of healing.

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Odontogenic Ameloblast-Associated Protein (Odam) Plays Crucial Roles in Osteoclast Differentiation via Control of Actin Ring Formation

  • Lee, Hye-Kyung;Park, Joo-Cheol
    • Journal of Korean Dental Science
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    • 제8권2호
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    • pp.74-81
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    • 2015
  • Purpose: In osteoclast differentiation, actin-rich membrane protrusions play a crucial role in cell adhesion. Odontogenic ameloblast-associated protein (Odam) contributes to cell adhesion by inducing actin rearrangement. Odam-mediated RhoA activity may play a significant role in multinucleation of osteoclasts. However, the precise function of Odam in osteoclast cell adhesion and differentiation remains largely unknown. Here, we identify a critical role for Odam in inducing osteoclast adhesion and differentiation. Materials and Methods: The expression of Odam in osteoclasts was evaluated by immunohistochemistry. Primary mouse bone marrow and RAW264.7 cells were used to test the cell adhesion and actin ring formation induced by Odam. Result: Odam was expressed in osteoclasts around alveolar bone. Odam transfection induced actin filament rearrangement and cell adhesion compared with the control or collagen groups. Overexpression of Odam promoted actin stress fiber remodeling and cell adhesion, resulting in increased osteoclast fusion. Conclusion: These results suggest that Odam expression in primary mouse osteoclasts and RAW264.7 cells promotes their adhesion, resulting in the induction of osteoclast differentiation.

Evaluation of the Effects of Acorus gramineus and Acorus tatarinowii Extracts on a Rat Model of Arterial Thrombosis induced by Ferric Chloride

  • Bang, Jihye;Lee, Ki-Mo;Lee, In Sun;Heo, Eun-Jung;Kang, Hyung Won;Jeon, Won Kyung
    • Natural Product Sciences
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    • 제19권3호
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    • pp.251-257
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    • 2013
  • We investigated the antithrombotic effect of Acorus gramineus Soland (A. gramineus) from Korea and Acorus tatarinowii Schott (A. tatarinowii) from China in a rat model of arterial thrombosis induced by ferric chloride ($FeCl_3$). Thirty minutes prior to a 35% $FeCl_3$ application, Sprague Dawley rats were intraperitoneally injected with saline, A. gramineus and A. tatarinowii (100 mg/kg), respectively. Occlusion time of rats injected with A. gramineus was delayed significantly compared to that of the vehicle and A. tatarinowii. Thrombus weight was meaningfully decreased in rats injected with A. gramineus compared to the vehicle. Additionally, A. gramineus inhibited collagen fiber damage in vessel compared to the vehicle, but A. tatarinowii did not show a significant effect. Our results show that A. gramineus and A. tatarinowii from the same genus have different antithrombotic effects, and especially A. gramineus has a better antithrombotic effect than A. tatarinowii.

당뇨유발 모델에서 맥동성초음파와 키토산의 창상치유효과 (The Effect of Wound Healing of Pulsed Ultrasound and Chitosan in Diabetic Induced Model)

  • 김계엽;민순규;정미선
    • The Journal of Korean Physical Therapy
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    • 제16권3호
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    • pp.50-64
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    • 2004
  • The studies have been designed to evaluate the effect of wound healing of pulsed ultrasound and chitosan application in diabetic incisive wound of rats. Mild diabetes mellitus was induced in rat used 30 mg/kg streptozotocin. Full thickness skin incision was made on the backs of Sprague-Dawley rats. We used 72 Sprague-Dawley rats which were divided into 4 groups; the subjects were divided into group of 6 rats each 3, 6, and 15 days. The results were summarized as follows; The rate of wound length of pulsed ultrasound with chitosan application groups more decreased than only pulsed ultrasound treatment group. The density of inflammatory cells in the experimental groups was more significantly decreased than diabetic control group(p<0.05). Historically, in the ultrasound with chitosan application groups, reepithelized epithelium was thicker and the collagen fiber were organized in a liner manner and connective tissue was matured faster those of the diabetic control group(p<0.05). From the conclusions above, in this study application of pulsed ultrasound and chitosan can be an effective way of promotion of wound healing in diabetic model.

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정상 및 염증상태의 치근표면구조의 주사전자현미경적 연구 (THE SCANNING ELECTRON MICROSCOPIC STUDY OF HEALTHY AND PATHOLOGIC STRUCTURE OF ROOT SURFACE)

  • 김미영;김종관
    • 대한치과의사협회지
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    • 제19권7호통권146호
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    • pp.625-634
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    • 1981
  • A Scanning Electron Microscopic Study of the root surface changes was carried out in advanced periodontal disease. The results obtained were summerized as follow; 1. The root surface of cementoenamel junction of healthy root showed smooth surface, while the root surface of diseased state showed covering of deposits which regareded as a course of calcification. 2. At the mid-portion of the root, the regular cemental projection were observed on the healthy root surface and on the root surface of diseased state, cemental projection showed relatively irregular pattern. 3. On the root surface which consist of wall of periodontal pocket, there were various deposits which could be considered as subgingival calculus, bacterial plaque and epithelial attachment remnant. 4. The bottom area of the pathologic pocket, tearing altered collagen fibers were seen on the root surface. 5. At the apical portion of root surface, calcified fibers ran parallel to the root surface in healthy tooth and the fiber bundles of periodontal ligament were seen in the diseased state.

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침치료 후 근건이완수기요법을 적용한 주관절 외상과염 환자 치험 3례 (The Clinical Report on 3 Cases of Lateral Epicondylitis Treated with Musculotendinous Releasing Manual Therapy after Acupuncture Treatment)

  • 박재원;박서현;문소리;송미영;금동호
    • 한방재활의학과학회지
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    • 제27권2호
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    • pp.101-108
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    • 2017
  • We researched 3 patients diagnosed as Lateral epicondylitis (Tennis elbow). We considered it as tendinosis including irregular collagen fiber's pattern. So, acupuncture therapy and musculotendinous releasing manual therapy were used to treat the patients. We measured their pain and functional disorder by visual analogue scale (VAS), Patient-Rated Tennis Elbow Evaluation (PRTEE), and a dynamometer before and after treatment. As a result, VAS and PRTEE significantly reduced and grasping power was also improved. Therefore, we conclude that the acupuncture therapy with musculotendinous releasing manual therapy is an effective way to treat Lateral epicondylitis. But there are limits on this study due to insufficient number of cases, absence of control group and absence of follow-up after last treatment. Further studies will be needed.

자운고(紫雲膏)가 자외선에 의한 피부손상 및 광노화(光老化)에 미치는 영향 (The Effects of Jawoongo(紫雲膏) on UVB Damage to Skin And Photoaging)

  • 전재홍;홍승욱
    • 한방안이비인후피부과학회지
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    • 제20권1호통권32호
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    • pp.130-144
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    • 2007
  • UV-irradiated skin shows acutely erythema, edema, pigmantation (sunbum) and chronically coarse wrinkling, roughness, dryness, laxity (photoaging). Jawoongo(紫雲膏, JW) is clinically useful external application and effective bum, sunburn, wound and symptom of dryness(燥症) in skin disease. In this experiment, we examined if JW could cure the UVB-mediated acute skin damages, inhibit UVB-mediated oxidative stress and inflammation of skin, and block the photoaging. In vivo test, we found that JW could effectively cure the UVB-mediated acute skin damages(erythema, edema, angiogenesis, hyperplasia, infiltration of lymphocytes) and inhibit expression of HSP70, CYP1A1 and p53. We also found that JW could repair destruction of collagen fiber and inhibit activation of MMP-9, and inhibit expression of $NF-{\kappa}B$ p65, iNOS, hyperplasia of keratynocyte. In vitro test, we found that JW could inhibit expression of IKK, iNOS mRNA, and production of NO. These findings shows that JW could cure the UVB-mediated acute skin damages, inhibit UVB-mediated oxidative stress and inflammation of skin, and block photoaging.

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족저근막 이완요법과 침치료를 이용한 족저근막염 치험 2례 (Two Clinical Cases on Plantar Fasciitis Using Myofacial Releasing Therapy and Acupuncture Therapy)

  • 황형주;이길준;박영회;금동호
    • 한방재활의학과학회지
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    • 제18권2호
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    • pp.111-118
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    • 2008
  • Objectives : Plantar fasciitis is most common cause of heel pain which starts from anterior tubercle of calcaneus. It is chronic inflamation of plantar fascia, reduces collagen and water content of heel pad which incur the degenerative changes with elastic fiber weakness. We have evaluated the effect of myofacial releasing therapy and acupuncture therapy by experimenting two patients suffering from plantar fasciitis. Methods : Two patients were diagnosed as plantar fasciitis through their symptoms. We used myofacial releasing therapy and acupuncture therapy to the patients and measured VAS(Visual analogue scale). Results and Conclusions : After treating myofacial releasing therapy and acupuncture therapy in two cases, We figured out that the patients were on the mend. These results suggest that myofacial releasing therapy and acupuncture therapy were effective to heel pain.

골형태형성단백질 및 상피성장인자가 치주조직 재생에 미치는 영향 (The Effects of Bone Morphogenetic Protein and Epidermal Growth Factor on the Periodontal Tissue Regeneration)

  • 조성훈;권영혁;이만섭;허익
    • Journal of Periodontal and Implant Science
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    • 제30권3호
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    • pp.505-527
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    • 2000
  • The 3 beagle dogs aged over one and half years and weighed 14 to 16 Kg were utilized in this study. Horizontal furcation defects were induced around 3rd, and 4th premolars bilaterally. BMP-4 in conjunction with EGF and BMP-4 only were applied in the right and left premolars respectively. 1 animal was sacrificed at 2nd week, 4th week, and 8th week, after regenerative surgery respectively. Semi-thin sections using glass-knife were stained with hematoxylin- eosin and trichrome for light microscopic study. The results were as follows : 1 . The long junctional epithelial downgrowth was observed in both area applied with BMP-4 and with BMP-4 and EGF at 2nd week after the surgery. 2 . The extensive regeneration of new bone and cementum was appeared at 4th week and the maturation of bone was observed at 8th week in both area applied with BMP-4 and with BMP-4 and EGF. 3 . The root ankylosis and resorption was presented along the exposed root surface at the coronal 1/3 of defect in the BMP-4 applied site, but it was not shown in the site applied with BMP-4 in conjunction with EGF at the 4th week. At 8th week, the root ankylosis was apparently appeared in the BMP-4 and EGF applied site as well as in the BMP-4 applied site. 4 . The periodontal ligament tissue including Sharpey's fiber inserted into cementum and alveolar bone, was formed along the exposed root surface in the area applied with BMP-4 only, but in the site applied with BMP-4 and EGF, the collagen fiber running parallel to the root surface without Sharpey's fiber, was observed in the periodontal ligament space at 4th and 8th week. Within the above results, BMP-4 had the remarkable capability to regenerate the periodontal tissue and EGF had possibility to prevent from the root ankylosis. Therefore, growth factors including BMP-4 and EGF may have the strong possibility to be utilized in the clinical periodontal treatments.

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