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Guo Weiming,Jin Peng,Li Ruomei,Huang Lu,Liu Zhen,Li Hairui,Zhou Ting,Fang Bing,Xia Lunguo 생화학분자생물학회 2023 Experimental and molecular medicine Vol.55 No.-
The identification of predictive markers to determine the triggering phase prior to the onset of osteoporosis is essential to mitigate further irrevocable deterioration. To determine the early warning signs before osteoporosis, we used the dynamic network biomarker (DNB) approach to analyze time-series gene expression data in a zebrafish osteoporosis model, which revealed that cyclin-dependent kinase inhibitor 1 A (cdkn1a) is a core DNB. We found that cdkn1a negatively regulates osteogenesis, as evidenced by loss-of-function and gain-of-function studies. Specifically, CRISPR/Cas9-mediated cdkn1a knockout in zebrafish significantly altered skeletal development and increased bone mineralization, whereas inducible cdkn1a expression significantly contributed to osteoclast differentiation. We also found several mechanistic clues that cdkn1a participates in osteoclast differentiation by regulating its upstream signaling cascades. To summarize, in this study, we provided new insights into the dynamic nature of osteoporosis and identified cdkn1a as an early-warning signal of osteoporosis onset.
Microscopic Optical Model Potential of Isospin Dependent Nucleon, Deuteron and Helium-3
Yinlu Han,Hairui Guo,Qingbiao Shen 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
The microscopic optical model potentials for isospin-nucleon, deuteron and helium-3 are obtained by the one-particle, two-particle and the three-particle Green function method through nuclear matter approximation and local density approximation based on the Skyrme interactions. The calculated results are compared with the experimental data by the microscopic optical model potentials. Good agreement is generally obtained for elastic scattering angular distributions. Good agreement is obtained for the reaction cross sections of some nucleus.
The Theoretical Calculation of Cross Section and Spectrum for n+^(238)U Reaction up to 150 MeV
Yinlu Han,Yongli Xu,Haiying Liang,Hairui Guo,Qingbiao Shen,Chonghai Cai 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
The fission cross sections, the double differential cross section and the energy spectra of neutron, proton, deuteron, triton, and alpha-particle emission, the prompt fission neutron spectra for n+^(238)U reaction are consistently calculated and analyzed with nuclear reaction theoretical models in the E_n ≤ 150 MeV energy range. Theoretical calculations are compared with recent experimental data and other evaluated data.