Home / Journals / BIOCELL / Vol.35, No.2, 2011
Table of Content
  • Open Access

    ARTICLE

    The ovary of Lagostomus maximus (Mammalia, Rodentia): an analysis by confocal microscopy

    MARÍA B. ESPINOSA2 , NICOLÁS A. FRAUNHOFFER1 , NOELIA P. LEOPARDO1 , ALFREDO D. VITULLO2 AND MIGUEL A. WILLIS1
    BIOCELL, Vol.35, No.2, pp. 37-42, 2011, DOI:10.32604/biocell.2011.35.037
    Abstract Lagostomus maximus is a notable mammalian model for reproductive studies. Females have an extremely high ovulation rate, which is due to down-regulation of the follicular apoptosis pathway, which ensures a large pool of developing follicles. This large pool is supported by the convoluted anatomy of the mature ovary, whose germinal tissue is found in irregularly curved ridges throughout the cortex. Medullary tissue is restricted to a minimum. Lyso Tracker Red reconstruction under confocal laser scanning microscopy was used to recognize and measure all follicular stages from primordial to antral. Unlike most mammals in which early primordial follicles are just found… More >

  • Open Access

    ARTICLE

    Comparison of inflammatory microRNA expression in healthy and periodontitis tissues

    YOUNG HWA LEE1, HEE SAM NA1 , SO YEON JEONG1, SUNG HEE JEONG2 , HAE RYOUN PARK3 , JIN CHUNG1*
    BIOCELL, Vol.35, No.2, pp. 43-50, 2011, DOI:10.32604/biocell.2011.35.043
    Abstract MicroRNAs (miRNAs) are short RNA molecules that negatively regulate gene expression primarily by degrading target mRNA or inhibit the translation of protein product. Recently, many reports have shown the altered miRNA expression in various diseases. However, there are no reports on miRNA expression related to periodontitis. Thus, this study aimed to compare the miRNAs differentially expressed in healthy and chronic periodontitis tissues and to determine the miRNAs closely associated with chronic periodontitis. To find out the miRNAs differentially induced in healthy and chronic periodontitis tissues, miRNA microarray was carried out and the expression of miRNAs was confirmed by real-time PCR.… More >

  • Open Access

    ARTICLE

    Micrometric measurement of the density of stained odontoblast processes

    ALICIA KOHLI1 , STELLA M. PEZZOTTO2 , GRACIELA GARCIA3 , LEONOR C. POLETTO2.
    BIOCELL, Vol.35, No.2, pp. 51-58, 2011, DOI:10.32604/biocell.2011.35.051
    Abstract The embryological, structural and functional unit of the dentine-pulp complex shares the odontoblast, located in the border of the dentine pulp, with basal nuclei and organelles. The odontoblast process emerges from its apical pole. It is formed by microtubules, microfilaments and vesicles covered by membranes penetrating the dentinal tubules, isolated from the inter-tubular matrix, along the extent of the dentine. The objective of this study was to evaluate the efficacy of three staining techniques: hematoxylin-eosin, periodic acid-Schiff and Schmorl, by staining the process, from beginning to end, and compare the results with the erosion technique. Thirty human teeth were employed… More >

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