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Search Results: 1 - 10 of 92602 matches for " YANG Jian-rong "
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Application of primary culture technique to traditional Chinese medicine research
Yang DONG,Jian-Rong SHI
Zhong Xi Yi Jie He Xue Bao , 2006,
Biological research evaluating the Chinese medical theory of the association of the kidney with the ears
Yang Dong,Jian-rong Shi
Zhong Xi Yi Jie He Xue Bao , 2012,
Abstract: ABSTRACT: “Association of the kidney with the ears” is central to the traditional Chinese medical (TCM) theory of the viscera and their manifestations. Previous studies have shown that thyroxin, aldosterone, calcium and iron might be the material basis of the correlation between the kidney and the ears. Due to restriction in research techniques and methods, there has been no further progress in this research field, whose modern biological mechanisms and scientific connotations have not been explained clearly. In recent years, the progress of biological techniques and research on kidney essence provided promising opportunities for research of the association between the kidney and the ears. This article summarized the study progress of “association of the kidney with the ears” theory and posed some meaningful study thoughts. Presbycusis is a kind of degenerative disease caused by aging, which is one aspect of aging of the human body. Because aging is considered as physiological “kidney deficiency”, presbycusis can be regarded as a model of “kidney deficiency” deafness. In conclusion, investigating the correlation between “kidney deficiency” and presbycusis using biotechnology systems combined with “essence of kidney”, should provide a sound basis for study of the theory of the relationship between the kidney and the ears. This will provide new and valuable information for the modern biological research about the theory of visceral associations in TCM.
Complexiton Solutions of a Special Coupled mKdV System

YANG Jian-Rong,MAO Jie-Jian,

中国物理快报 , 2008,
Abstract: For a special coupled mKdV system, which can be derived from a two-layerfluid model, Hirota's bilinear direct method is used to construct and yield the complexiton solutions. The detailed physical properties of complexitons are further illustrated graphically.
Soliton solution and interaction property for a coupled modified Korteweg-de Vries (mKdV) system

Yang Jian-Rong,Mao Jie-Jian,

中国物理 B , 2008,
Abstract: The Hirota's bilinear direct method is applied to constructing soliton solutions to a special coupled modified Korteweg-de Vries (mKdV) system. Some physical properties such as the spatiotemporal evolution, waveform structure, interactive phenomena of solitons are discussed, especially in the two-soliton case. It is found that different interactive behaviours of solitary waves take place under different parameter conditions of overtaking collision in this system. It is verified that the elastic interaction phenomena exist in this (1+1)-dimensional integrable coupled model.
Determinative Developmental Cell Lineages Are Robust to Cell Deaths
Jian-Rong Yang,Shuxiang Ruan,Jianzhi Zhang
PLOS Genetics , 2014, DOI: doi/10.1371/journal.pgen.1004501
Abstract: All forms of life are confronted with environmental and genetic perturbations, making phenotypic robustness an important characteristic of life. Although development has long been viewed as a key component of phenotypic robustness, the underlying mechanism is unclear. Here we report that the determinative developmental cell lineages of two protostomes and one deuterostome are structured such that the resulting cellular compositions of the organisms are only modestly affected by cell deaths. Several features of the cell lineages, including their shallowness, topology, early ontogenic appearances of rare cells, and non-clonality of most cell types, underlie the robustness. Simple simulations of cell lineage evolution demonstrate the possibility that the observed robustness arose as an adaptation in the face of random cell deaths in development. These results reveal general organizing principles of determinative developmental cell lineages and a conceptually new mechanism of phenotypic robustness, both of which have important implications for development and evolution.
Codon-by-Codon Modulation of Translational Speed and Accuracy Via mRNA Folding
Jian-Rong Yang,Xiaoshu Chen,Jianzhi Zhang
PLOS Biology , 2014, DOI: 10.1371/journal.pbio.1001910
Abstract: Rapid cell growth demands fast protein translational elongation to alleviate ribosome shortage. However, speedy elongation undermines translational accuracy because of a mechanistic tradeoff. Here we provide genomic evidence in budding yeast and mouse embryonic stem cells that the efficiency–accuracy conflict is alleviated by slowing down the elongation at structurally or functionally important residues to ensure their translational accuracies while sacrificing the accuracy for speed at other residues. Our computational analysis in yeast with codon resolution suggests that mRNA secondary structures serve as elongation brakes to control the speed and hence the fidelity of protein translation. The position-specific effect of mRNA folding on translational accuracy is further demonstrated experimentally by swapping synonymous codons in a yeast transgene. Our findings explain why highly expressed genes tend to have strong mRNA folding, slow translational elongation, and conserved protein sequences. The exquisite codon-by-codon translational modulation uncovered here is a testament to the power of natural selection in mitigating efficiency–accuracy conflicts, which are prevalent in biology.
New solitary wave-like solution and exact solution of variable coefficient KP equation

Mao Jie-Jian,Yang Jian-Rong,

物理学报 , 2005,
Abstract: With the help of the general Sine-Gordon travelling wave transformation equation, we present a new method for solving the variable coefficient KP equation, and successfully obtain the new solitary wave-like solution, the Jacobi elliptic function-like solution and trigonometric function solution of variable coefficient KP equation.
Transplantation method of solutions and the solutions of a coupled VCmKdV equation with source

Yang Jian-Rong,Mao Jie-Jian,

物理学报 , 2009,
Abstract: 根据变系数modified Korteweg-de Vries(VCmKdV)方程与常系数KdV-mKdV方程的非线性项、色散项的相似性,对解已知的KdV-mKdV方程做适当变换,并将它的解移植到解未知的VCmKdV方程,由此构造出两个不同方程解之间的移植关系.利用这种解的移植方法,求得了由两层流体模型经演化获得的含有源(或汇)耦合VCmKdV系统新的精确解和类孤波解.对Bcklund变换与解的移植法进行了比较,分析了源和汇对波幅的影响.
New solitary-wave-like solutions and exact solutions to variable coefficient generalized KdV equation

Mao Jie-Jian,Yang Jian-Rong,

物理学报 , 2007,
Abstract: By the transforming with general KdV equation, the solutions of the variable coefficient generalized KdV equation are constructed firstly. As a result, we successfully obtain the new exact Jacobi elliptic function solutions, solitary-wave-like solutions, trigonometric function solutions and Weierstrass elliptic function solutions of variable coefficient generalized KdV equation.
A new method of new exact solutions and solitary wave-like solutions for the generalized variable coefficients Kadomtsev--Petviashvili equation
A new method of new exact solutions and solitary wave-like solutions for the generalized variable coefficients Kadomtsev-Petviashvili equation

Mao Jie-Jian,Yang Jian-Rong,

中国物理 B , 2006,
Abstract: Using the solution of general Korteweg--de Vries (KdV) equation, the solutions of the generalized variable coefficient Kadomtsev--Petviashvili (KP) equation are constructed, and then its new solitary wave-like solution and Jacobi elliptic function solution are obtained.
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