34 Result(s)

within Kwang-Hyun Cho

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  1. Open Access This content is freely available online to anyone, anywhere at any time.

    Article

    Analysis of feedback loops and robustness in network evolution based on Boolean models

    Many biological networks such as protein-protein interaction networks, signaling networks, and metabolic networks have topological characteristics of a scale-free degree distribution. Preferential attachment h...

    Yung-Keun Kwon, Kwang-Hyun Cho in BMC Bioinformatics (2007)

  2. Open Access This content is freely available online to anyone, anywhere at any time.

    Article

    Investigations into the relationship between feedback loops and functional importance of a signal transduction network based on Boolean network modeling

    A number of studies on biological networks have been carried out to unravel the topological characteristics that can explain the functional importance of network nodes. For instance, connectivity, clustering c...

    Yung-Keun Kwon, Sun Shim Choi, Kwang-Hyun Cho in BMC Bioinformatics (2007)

  3. No Access

    Article

    The effect of tripeptide-copper complex on human hair growth in vitro

    The tripeptide-copper complex, described as a growth factor for various kinds of differentiated cells, stimulates the proliferation of dermal fibroblasts and elevates the production of vascular endothelial gro...

    Hyun Keol Pyo, Hyeon Gyeong Yoo, Chong Hyun Won in Archives of Pharmacal Research (2007)

  4. No Access

    Article

    Expression of androgen and estrogen receptors in human scalp mesenchymal cells in vitro

    The expression levels of sex hormone receptors were identified to be different in human mesenchymal cells [dermal papilla cell (DPC), dermal sheath cell (DSC), dermal fibroblast and (DF)] from occipital scalps...

    Hyeon Gyeong Yoo, Chong Hyun Won, Se Rah Lee in Archives of Dermatological Research (2007)

  5. Open Access This content is freely available online to anyone, anywhere at any time.

    Article

    Least-squares methods for identifying biochemical regulatory networks from noisy measurements

    We consider the problem of identifying the dynamic interactions in biochemical networks from noisy experimental data. Typically, approaches for solving this problem make use of an estimation algorithm such as ...

    Jongrae Kim, Declan G Bates, Ian Postlethwaite, Pat Heslop-Harrison in BMC Bioinformatics (2007)

  6. No Access

    Article

    Human hair growth ex vivo is correlated with in vivo hair growth: selective categorization of hair follicles for more reliable hair follicle organ culture

    Of the numerous assays used to assess hair growth, hair follicle organ culture model is one of the most popular and powerful in vitro systems. Changes in hair growth are commonly employed as a measurement of f...

    Oh Sang Kwon, Jun Kyu Oh, Mi Hyang Kim, So Hyun Park in Archives of Dermatological Research (2005)

  7. No Access

    Chapter and Conference Paper

    Identification of Gene Interaction Networks Based on Evolutionary Computation

    This paper investigates applying a genetic algorithm and an evolutionary programming for identification of gene interaction networks from gene expression data. To this end, we employ recurrent neural networks ...

    Sung Hoon Jung, Kwang-Hyun Cho in Artificial Intelligence and Simulation (2005)

  8. No Access

    Article

    The effects of epidermal keratinocytes and dermal fibroblasts on the formation of cutaneous basement membrane in three-dimensional culture systems

    The cutaneous basement membrane (BM) plays an important role in normal and pathological conditions. However, few studies have addressed the formation of the cutaneous BM using three-dimensional culture systems...

    Dong-Youn Lee, Kwang-Hyun Cho in Archives of Dermatological Research (2005)

  9. No Access

    Chapter and Conference Paper

    How to Synthesize an Optimized Genetic λ-Switching System? A System-Theoretic Approach Based on SQP

    The concept of gene regulation has been investigated by biologists for several decades and has led to the concept of gene regulatory circuits and biological switches. There have been several theoretical approa...

    Kwang-Hyun Cho, Jong-Ho Cha, Olaf Wolkenhauer in Computational Methods in Systems Biology (2003)

  10. No Access

    Chapter and Conference Paper

    Simulation Sudy of the TNFα Mediated NF-κB Signaling Pathway

    Tumor necrosis factor α (TNFα) is a potent proinflammatory cytokine that plays an important role in immunity and inflammation, in the control of cell proliferation, differentiation and apoptosis. This paper pr...

    Kwang-Hyun Cho, Sung-Young Shin, Hyeon-Woo Lee in Computational Methods in Systems Biology (2003)

  11. No Access

    Article

    Fibroblasts play a stimulatory role in keratinocyte proliferation but an inhibitory role in melanocyte growth and pigmentation in a skin equivalent system from skin type IV

    Dong-Youn Lee, Joo-Heung Lee, Eil-Soo Lee in Archives of Dermatological Research (2003)

  12. No Access

    Chapter and Conference Paper

    Fuzzy Clustering of Short Time-Series and Unevenly Distributed Sampling Points

    This paper proposes a new algorithm in the fuzzy-c-means family, which is designed to cluster time-series and is particularly suited for short time-series and those with unevenly spaced sampling points. Short tim...

    Carla S. Möller-Levet, Frank Klawonn in Advances in Intelligent Data Analysis V (2003)

  13. No Access

    Article

    Vitamin D receptor genotypes are not associated with clinical response to calcipotriol in Korean psoriasis patients

    Conflicting results have been reported on the association between BsmI restriction fragment length polymorphism (RFLP) at the vitamin D receptor gene (VDR) locus and the clinical response of psoriasis patients t...

    Dong-Youn Lee, Byung-Soon Park, Kyung-Ho Choi in Archives of Dermatological Research (2002)

  14. No Access

    Article

    Human oral buccal mucosa reconstructed on dermal substrates: a model for oral epithelial differentiation

    J. H. Chung, Kwang Hyun Cho, Dong Youn Lee in Archives of Dermatological Research (1997)

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