The MICA gene encodes a cell surface glycoprotein that acts as a "distress signal."
: MICA serves as a ligand for the NKG2D receptor , which is found on Natural Killer (NK) cells and certain T cells [1, 2].
: Under normal conditions, MICA is rarely expressed on healthy cells. However, it becomes highly expressed when cells undergo viral infection, malignant transformation (cancer), or heat shock [2, 3]. Dnaddr.Mica_P-1-10.1.var
Variations in the MICA gene, including the P-1-10.1.var lineage, are significant in several medical contexts:
: Often refers to a specific database or data-processing pipeline used for variant annotation. Mica_P : Indicates the protein product (P) of the MICA gene. The MICA gene encodes a cell surface glycoprotein
: Some tumors have evolved to "shed" MICA from their surface. By releasing these proteins into the bloodstream, the cancer cells can "blind" the immune system’s NK cells, allowing the tumor to grow undetected [3, 8].
: MICA antibodies are a known factor in the rejection of kidney and heart transplants. Discrepancies between the donor's and recipient's MICA variants can trigger an immune response [6]. Variations in the MICA gene, including the P-1-10
is a specific genetic variant identifier associated with the MICA (MHC class I polypeptide-related sequence A) gene . This nomenclature is primarily used in specialized genomic databases to catalog variations in the MICA protein, which plays a critical role in the human immune system's ability to detect stressed or infected cells. Core Function of the MICA Gene