**Key characteristics**
* The ASS1P9 gene is located on chromosome 17q21.1.
* It is a pseudogene, meaning that it is a gene that is not expressed in the final protein product.
* It is expressed in high levels in plasma cells, which are cells that are responsible for the production of antibodies.
* It is also expressed in epithelial cells, which are cells that line the inside of organs and glands.
* It is expressed in mesenchymal stem cells, which are cells that can develop into various cell types.
* It is also expressed in adventitial cells, which are cells that support blood vessels and tissues.
* It is also expressed in endothelial cells of the vascular tree, which are cells that line the blood vessels.
**Pathways and functions**
The ASS1P9 gene is involved in the biosynthesis of argininosuccinic acid, which is an essential amino acid for the synthesis of collagen, elastin, and proteoglycans. These proteins are involved in a variety of cellular processes, including cell adhesion, migration, and signaling.
**Clinical significance**
Mutations in the ASS1P9 gene have been linked to a number of human diseases, including rheumatoid arthritis, osteoarthritis, and kidney disease. These diseases are characterized by inflammation and tissue damage, which is often caused by the deposition of collagen and elastin in the joints and tissues.
The ASS1P9 gene is a promising target for the treatment of these diseases. By blocking the production of argininosuccinic acid, it is possible to prevent the deposition of collagen and elastin in the joints and tissues, which can help to reduce inflammation and tissue damage.
Disclaimer: This summary is generated by an AI language model and may contain inaccuracies or hallucinations. However, it is cross-referenced with curated gene expression data from major biological sources. Please verify the information before use.
