SFTPA2 Expression
The lung is the main site of SFTPA2 synthesis, but SFTPA2 mRNA expression has also been detected in the trachea, prostate, pancreas, thymus, colon, eye, salivary gland and other tissues. While the majority of these tissues express both SFTPA2 and SFTPA1 transcripts, only SFTPA2 expression was found in the trachea and prostate. Using specific monoclonal antibodies for Surfactant protein A, the protein can be detected in lung alveolar type II pneumocytes, Clara cells, and alveolar macrophages, but no extrapulmonary SP-A immunoreactivity was observed.
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