• Title/Summary/Keyword: Histological evaluation

Search Result 311, Processing Time 0.027 seconds

In vitro and in vivo evaluation of tissue-cultured mountain ginseng on penile erection

  • Lee, Ho Sung;Lee, Young Joo;Chung, Yoon Hee;Lee, Moo Yeol;Kim, Sung Tae;Ko, Sung Kwon;Momoi, Mariko;Kondoh, Yutaka;Sasaki, Fumio;Jeong, Ji Hoon
    • Journal of Ginseng Research
    • /
    • v.40 no.4
    • /
    • pp.334-343
    • /
    • 2016
  • Background: Progressed tissue culture techniques have allowed us to easily obtain mass products of tissue-cultured mountain ginseng over 100 yr old (TCMG-100). We investigated the effects of TCMG-100 extract on erectile function using in vitro and in vivo studies. Methods: To examine the relaxation effects and mechanisms of action of TCMG-100 on rabbit cavernosal strips evaluated in an organ bath. To investigate the long-term treatment effect of TCMG-100, 8-wk administration was performed. After administration of TCMG-100, intracavernosal pressure, cyclic guanosine monophosphate and nitric oxide (NO) levels of cavernosal tissue, serum testosterone level, histological observation of collagen fiber, endothelium, smooth muscle cell, and transforming growth factor-${\beta}1$ were investigated. Results: TCMG-100 extract displayed dose-dependent relaxation effects on precontracted rabbit corporal smooth muscle. The TCMG-100-induced relaxation was significantly reduced by removing the endothelium, and treatment with an NO synthase inhibitor or NO scavenger. Eight weeks of TCMG-100 administration increased intracavernosal pressure in a rat model. The levels of cyclic guanosine monophosphate and NO in the corpus callosum and serum testosterone level were also increased by TCMG-100 treatment. Furthermore, histological evaluation of collagen, smooth muscle, and endothelium showed increases in endothelium and smooth muscle, and a decrease in transforming growth factor-${\beta}1$ expression. Conclusion: These relaxation effects on corporal smooth muscle and increased erectile function suggest that TCMG-100 might be used as an alternative herbal medicine to improve erectile function.

A Case of Alagille's Syndrome (Alagille 증후군의 1예)

  • Kim, Sung-Eun;Choe, Won-Sick;Chun, Yong-Soon;Yoon, Hye-Kyoung
    • The Korean Journal of Nuclear Medicine
    • /
    • v.34 no.2
    • /
    • pp.154-158
    • /
    • 2000
  • This is a case report of a 5-month-old male who was brought in to hospital for evaluation of jaundice from birth. The baby had a history of ileal atresia operated 2 days after birth. At the age of one month, Tc-99m DISIDA hepatobiliary scintigraphy was performed at other hospital and reported to show good hepatic uptake of the tracer but no uptake in the biliary tree, gall bladder, or intestine for 24 hours post injection. He was judged to have biliary atresia. However, subsequent exploratory laparotomy revealed that the hepatobiliary tree appeared intact and that there was a gall bladder. Additionally, the patient had central aorto-pulmonary shunt for the right ventricular septal defect with pulmonary stenosis of a peripheral type at the age of 4 months. The second hepatobiliary scintigraphy was performed on admission at the age of 5 months, showing a gall bladder but no intestinal uptake up to 24 hours. Retrospectively, the histological specimen of the liver obtained at the exploratory laparotomy was re-evaluated, and by the histological findings coupled with clinical data, arteriohepatic dysplasia (Alagille's syndrome) was diagnosed. In this report, we emphasize the diagnostic limitation of hepatobiliary scintigraphy and the importance of overall clinical and histologic evaluation in a case of Alagille's syndrome.

  • PDF

Intratumoral Administration of Rhenium-188-Labeled Pullulan Acetate Nanoparticles (PAN) in Mice Bearing CT-26 Cancer Cells for Suppression of Tumor Growth

  • Song, Ho-Chun;Na, Kun;Park, Keun-Hong;Shin, Chan-Ho;Bom, Hee-Seung;Kang, Dong-Min;Kim, Sung-Won;Lee, Eun-Seong;Lee, Don-Haeng
    • Journal of Microbiology and Biotechnology
    • /
    • v.16 no.10
    • /
    • pp.1491-1498
    • /
    • 2006
  • The feasibility of pullulan acetate nanoparticles (PAN) with ionic strength (IS) sensitivity as a radioisotope carrier to inhibit tumor growth is demonstrated. PAN was radiolabeled with rhenium 188 (Re-188) without any chelating agents. The labeling efficiency of Re-188 into PAN (Re-188PAN) was $49.3{\pm}4.0%$ as determined by TLC. The tumor volumes of mice treated with 0.45 mCi of Re-188-PAN were measured and compared with that of free Re-188 after 5 days of intratumoral injection. For the histological evaluation of apoptotic nuclei of tumor cells, hematoxylin and eosin (H&E), and terminal deoxynucleotidyl transferase biotinylated deoxyuridine triphosphate nick end labeling (TUNEL) staining were performed. The mean tumor volume of the Re-188-PAN-treated group was decreased by 36% after 5 days, whereas that the free Re-188-treated group was decreased by only 15% (P<0.05). The mean number of TUNEL-positive cells in Re-188-PAN-treated tumors at $144.3{\pm}79.9$ cells/section was significantly greater than the control ($26.7{\pm}7.9$ cells/section, P=0.03). The numbers of leukocyte and lymphocyte were decreased in both free Re-188- and Re-188-PAN-treated mice. These results indicated that the intratumoral injection of Re-188-PAN effectively inhibits the tumor growth by prolonging Re-188 retention time in tumor site induced by the IS sensitivity.

Effects of Mannyeon-hwan on Acetic Acid-induced Colitis in Rats (Acetic-acid로 대장염을 유발한 생쥐에 투여한 만년환의 치료효과)

  • Won-ho Kong;Bum-hoi Kim;Won-ill Kim
    • The Journal of Internal Korean Medicine
    • /
    • v.44 no.6
    • /
    • pp.1139-1149
    • /
    • 2023
  • Objectives: This study is designed to verify the effects of Mannyeon-hwan (MNH) on acetic acid-induced colitis in rats. Methods: Colitis was induced in male Sprague-Dawley rats weighing approximately 250 g by injecting acetic acid through the anus. The rats were classified into four groups: normal group, acetic acid (AA) group, AA+MNH (L) (low concentration) group, and AA+MNH (H) (high concentration) group. The body weight, visual evaluation of the colonic mucosa, anatomical histological changes, and changes in the expression of cytokines in the colon tissue were compared and analyzed. Results: Compared with the normal group, weight loss was observed in mice induced with colitis. Compared with the AA group, weight loss recovery occurred in the AA+MNH (L) and AA+MNH (H) groups, and significant changes were observed after the sixth day. In the visual evaluation of the colonic mucosa, a significant decrease in damage indicators was observed in the AA+MNH (L) and AA+MNH (H) groups compared with the AA group. In terms of anatomical histological changes and changes in the expression of tumor necrosis factor-α and interleukin-6 in colon tissue, a significant decrease was observed in the AA+MNH (L) and AA+MNH (H) groups compared with the AA group. A more pronounced decrease was observed in the AA+MNH (H) group compared with the AA+MNH (L) group. Conclusion: The effects of MNH on colitis were confirmed through research. MNH can be used as a first-line treatment for patients complaining of colitis who visit oriental medicine clinics.

Pharmacognostical Evaluation of Andrographis stenophylla C. B. Clarke

  • Vamsadhara, C.;Bharathi, R. Vijaya
    • Natural Product Sciences
    • /
    • v.13 no.3
    • /
    • pp.241-246
    • /
    • 2007
  • Andrographis stenophylla C. B. Clarke., (Acanthaceae) is an erect glabrous undershrub with very narrow leaves and stems from a stout rootstock, the corolla pale with dark red stripes. The plant grows in hills of about 1200 meters height in South India. No scientific work reports are available with regard to this plant. The present study, thus deals with the detailed pharmacognostical evaluation of the plant A. stenophylla using light and confocal microscopy, WHO recommended physico-chemical determinations and authentic phytochemical procedures. The physico-chemical, morphological and histological parameters presented in this paper may be proposed as parameters to establish the authenticity of A. stenophylla and can possibly help to differentiate the drug from its other species.

Pharmacognostical Evaluation of the Roots of Pseudarthria viscida (Linn.)

  • Rajendran, K.;Srinivasan, K.K.;Shirwaikar, Annie
    • Natural Product Sciences
    • /
    • v.13 no.3
    • /
    • pp.214-219
    • /
    • 2007
  • The roots of Pseudarthria viscida (L.) Wight and Arnott. (Leguminosae) are used against various disorders in Indian systems of medicine, namely as anthelmintic, anti-inflammatory, cardiotonic, aphrodisiac, rejuvenating, tonic and as a remedy for cough, asthma, tuberculosis, diarrhoea and alternate fever. The present communication deals with the detailed pharmacognostical evaluation of the root sample using light and confocal microscopy, WHO recommended physico-chemical determinations and authentic phytochemical procedures. he physico-chemical, morphological and histological parameters presented in this paper may be proposed as parameters to establish the authenticity of P. viscida root and may possibly help to differentiate the drug from its other species.

Pharmacognostical Evaluation of the Bark of Careya arborea (Roxb.)

  • Bharathi, R Vijaya;Rajendran, K.;Saeed, Mustafa Mohamed Ali;Kaur, Rubina;Lakshmi, SN Soundarya;Vasanthi, RK
    • Natural Product Sciences
    • /
    • v.14 no.4
    • /
    • pp.221-226
    • /
    • 2008
  • The bark of Careya arborea Roxb. (Barringtoniacae) is used against various disorders in Indian systems of medicine, namely astringent, anthelmintic, in tumors, dyspepsia, colic, bronchitis, urinary discharges, piles, lecucoderma, skin diseases, epileptic fits, diarrhoea. The juice of the fresh bark with honey is given as a demulcent in coughs and colds, infusion of the fresh bark is used to treat snake bite by applying to the bitten part and also taken internally. The present communication deals with the detailed pharmacognostical evaluation of the bark sample using light and confocal microscopy, WHO recommended physico-chemical determinations and authentic phytochemical procedures. The physico-chemical, morphological and histological parameters presented in this paper may be proposed as parameters to establish the authenticity of C. arborea bark and may possibly help to differentiate the drug from its other allied species.

Histological evaluation of direct pulp capping with DSP-derived synthetic peptide in beagle dog (비글견에서 DSP 유도 합성 펩타이드를 이용한 직접 치수 복조술에 대한 조직학적 연구)

  • Kim, Jae-Hoon;Hong, Jun-Bae;Lim, Bum-Soon;Cho, Byeong-Hoon
    • Restorative Dentistry and Endodontics
    • /
    • v.34 no.2
    • /
    • pp.120-129
    • /
    • 2009
  • The purpose of this study was to investigate the pulpal response to direct pulp capping with dentin sialoprotein (DSP) -derived synthetic peptide in teeth of dogs, and to compare its efficacy to capping substances $Ca(OH)_2$ and white mineral trioxide aggregate (WMTA). A total of 72 teeth of 6 healthy male beagle dogs were used. The mechanically exposed pulps were capped with one of the following: (1) DSP-derived synthetic peptide (PEP group): (2) $Ca(OH)_2$ (CH group): (3) a mixture paste of peptide and $Ca(OH)_2$ (PEP+CH group): or (4) white MTA (WMTA group). The access cavity was restored with a reinforced glass ionomer cement. Two dogs were sacrificed at each pre-determined intervals (2 weeks, 1 month, and 3 months). After the specimens were prepared for standard histological processing, sections were stained with hematoxylin and eosin. Under a light microscope, inflammatory response and hard tissue formation were evaluated in a blind manner by 2 observers. In the PEP group, only 3 of 17 specimens showed hard tissue formation, indication that the DSP-derived synthetic peptide did not induce proper healing of the pulp. Compared with the CH group, the PEP group demonstrated an increased inflammatory response and poor hard tissue formation. The CH and WMTA groups showed similar results for direct pulp capping in mechanically exposed teeth of dogs.

Histology and Histochemistry of the Male and Female Reproductive System of the Sesarmid Crab Muradium Tetragonum

  • Pothiappan Kumarasamy;Viswambaram Ganapiriya;Kannayiram Muthukumaravel;Manickam Sasipriya;Bharathi Santhanabharathi;Mohamed Saiyad Musthafa;Marckasagayam Priyadharshini
    • Journal of Integrative Natural Science
    • /
    • v.16 no.1
    • /
    • pp.13-31
    • /
    • 2023
  • The sesarmid crab Muradium tetragonum, inhabiting the mangrove, are considered as a key consumer of litter and thereby play an important role in the detritus food chain and energy flow in the mangrove ecosystem. The present investigation was carried out with objectives to enlighten the reproductive system of Muradium tetragonum through histological and histochemical studies. Histological organization of the testis of M. tetragonum revealed that each testis has a lobular structure consisting of several testicular lobules arranged around the collecting duct. Histology of the deferens of M. tetragonum revealed it to be composed of three-layer of tissues along the entire length:the outer connective tissue, the middle muscular and the inner epithelial layer. Based on the histological architecture these three regions are recognized as proximal vas deferens (PVD), middle vas deferens (MVD) and distal vas deferens (DVD). Histological characteristics of the ovary of M. tetragonum during different phases of ovarian development were studied. Based on the colour changes of the ovary and diameter of the oocytes five stages of ovarian development can be pronounced. Histochemical analysis of the male reproductive tissues of M. tetragonum signifies the secretion of a different biomolecule by specifying their origin in the reproductive tissue and their possible transformation into spermatophores. In the female reproductive tissues, histochemical evaluation envisaged the secretory products during different stages of ovarian development The secretory substances of the spermatheca expound on the significance of its secretion in dehiscing the spermatophore wall and in nourishing as well as protecting the spermatozoa.

Histologic evaluation of various membranes on periodontal tissue regeneration of 1-wall intrabony defects in dogs (성견 1벽성 골내낭 결손부의 조직재생에 대한 수종의 차폐막의 조직학적 평가)

  • Yang, Jin-Hyuk;Chae, Gyung-Joon;Yun, Jeong-Ho;Song, Si-Eun;Lee, Yong-Keun;Cho, Kyoo-Sung;Kim, Chong-Kwan;Choi, Seong-Ho
    • Journal of Periodontal and Implant Science
    • /
    • v.38 no.1
    • /
    • pp.51-58
    • /
    • 2008
  • Purpose: In dental clinical fields, various periodontal membranes are currently used for periodontal regeneration. The periodontal membranes are categorized into two basic types: resorbable and non-resorbable. According to the case, clinician select which membrane is used. Comparing different membranes that are generally used in clinic is meaningful. For this purpose, this study evaluates histological effects of various membranes in canine one wall intrabony defect models and it suggest a valuation basis about study model. Material and Method: The membranes were non-resorbable TefGen $Plus^{(R)}$, resorbable Gore Resolut $XT^{(R)}$ and resorbable $Osteoguide^{(R)}$. One wall intrabony defects were surgically created at the second and the mesial aspect of the fourth mandibular premolars in either right or left jaw quadrants in two dogs. The animals were euthanized 8 weeks post-surgery when block sections of the defect sites were collected and prepared for histological evaluation. Results: 1. While infiltration of inflammatory cells were observed in control, TefGen $Plus^{(R)}$ and Gore Resolut $XT^{(R)}$, it was not observed in $Osteoguide^{(R)}$. 2. TefGen $Plus^{(R)}$ had higher integrity than others and $Osteoguide^{(R)}$ was absorbed with folding shape. Gore Resolut $XT^{(R)}$ was divided everal parts during resorbtion and it was also absorbed from inside. 3. Quantity of new bone and new cementum was not abundant in all membranes. 4. For histologic evaluation of membranes we should consider infiltration of inflammatory, migration of junctional epithelium, integrity of membrane, quantity of new bone and new cementum, connective tissue formation and aspect of resorption. Conclusion: This histologic evaluation suggests that $Osteoguide^{(R)}$ provides periodontal regenerative environment with less inflammatory state. It is meangful that this study model suggests a valuation basis about other study model.