What are the features of FGFR3 Gene Editing? FGFR3 mutations are often closely related to diseases, including human genetic diseases (Table 1) and cancer. Studies have shown that FGFR3 can regulate ossification and thus affect bone growth, and the over-activation of FGFR3 can lead to achondroplasia, a dominant hereditary disease. In addition, overexpression of FGFR3 provides an oncogenic signal.

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The FGFR3 gene provides instructions for making a protein called fibroblast growth factor receptor 3. This protein is part of a family of four fibroblast growth factor receptors that share similar structures and functions. These proteins play a role in several important cellular processes, including regulation of cell growth and division (proliferation), determination of cell type, formation of blood vessels (angiogenesis), wound healing, and embryo development.

The FGFR3 protein spans the cell membrane, so that one end of the protein remains inside the cell and the other end projects from the outer surface of the cell. This positioning of the protein allows it to interact with specific growth factors outside the cell and to receive signals that control growth and development. When these growth factors attach to the FGFR3 protein, the protein is turned on (activated), which triggers a cascade of chemical reactions inside the cell that instruct the cell to undergo certain changes, such as maturing to take on specialized functions (differentiation).

Several versions (isoforms) of the FGFR3 protein are produced from the FGFR3 gene. The different isoforms are found in various tissues of the body, and they interact with a variety of growth factors. Many isoforms are found in the cells that form bones. Researchers believe that the FGFR3 protein regulates bone growth by limiting the formation of bone from cartilage (a process called ossification), particularly in the long bones. One particular isoform of the FGFR3 protein is found specifically in cells that line the surfaces of the body (epithelial cells), including the cells that form the outermost layer of skin, called the epidermis.

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the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

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