Q16790

CA IX also known as CA9 is a member of the carbonic anhydrase family that plays a crucial role in regulating pH and facilitating the transport of carbon dioxide and bicarbonate across cell membranes, which is vital for maintaining acid-base balance in tissues. CA IX protein is particularly important in tumor biology, as CA IX expression increases in hypoxic conditions commonly found in solid tumors, such as clear-cell renal carcinomas. CA IX expression patterns serve as potential biomarkers for cancer diagnosis and prognosis while highlighting a role in tumor progression and adaptation to the tumor microenvironment. Understanding CA IX function and regulation can provide insights into therapeutic strategies targeting tumor metabolism and hypoxia.