Scholarly journal is a peer-reviewed journal in which scholarship relating to a particular academic discipline is published. Scholarly journals serve as forums for the introduction and presentation for scrutiny of new research, and the critique of existing research. Content typically takes the form of articles presenting original research, review articles, and book reviews. The term Scholarly journal applies to scholarly publications in all fields; this article discusses the aspects common to all academic field journals.
Cells are the rudimentary construction blocks of tissues. All cells experience changes with aging. They become bigger and are less adept to split up and reproduce. Amidst other alterations, there is an increase in pigments and fatty substances interior the cell (lipids). Many cells lose their ability to function, or they start to function abnormally. Senescence or biological aging is the process of accumulative alterations to molecular and cellular structure that disturbs metabolism with the passage of time, producing in deterioration and death. Cellular aging is the phenomenon by which normal diploid cells cease to split up, commonly after about 50 cell partitions in vitro. Cellular aging is causally implicated in generating age-related phenotypes, and removal of senescent units can avert or hold up tissue dysfunction and continue healthspan. The method of aging is complex, and may derive from a kind of different mechanisms and live for a kind of distinct causes. However, aging is not universal, and technical clues propose that cellular aging developed in certain species because it prevents the onset of cancer. The function of telomeres in cellular aging has aroused general interest, especially with a outlook to the possible genetically adverse consequences of cloning. In about 85% of tumors, this evasion of cellular senescence is the result of up-activation of their telomerase genes.
Last date updated on September, 2014