
IHC analysis of formalin-fixed, paraffin-embedded human lung adenocarcinoma. NAPSA/7165R at 2ug/ml in PBS for 30min RT. HIER: Tris/EDTA, pH9.0, 45min. 2°C: HRP-polymer, 30min. DAB, 5min.

IHC analysis of formalin-fixed, paraffin-embedded human brain. Negative tissue control using NAPSA/7165R at 2ug/ml in PBS for 30min RT. HIER: Tris/EDTA, pH9.0, 45min. 2°C: HRP-polymer, 30min. DAB, 5min.

Western Blot Analysis of Human Brain, Human Heart, Human Intestine, Human Kidney, Human Liver, Human Lung, Human Ovary, Human Pancreas, Human Prostrate, Human Skeletal Muscle, Human Skin, Human Spleen, Human Stomach, and Human Testis tissue lysates using Napsin A Recombinant Rabbit Monoclonal Antibody (NAPSA/7165R).
Napsin is a pepsin-like aspartic proteinase connected with maturation of surfactant protein B. �There are two closely related napsins, napsin A and napsin B. Napsin A is expressed as a single chain protein. Immunohistochemical studies revealed high expression levels of napsin A in human lung and kidney but low expression in spleen. Napsin A is expressed in type II pneumocytes and in adenocarcinomas of lung. The high specificity expression of napsin A in adenocarcinomas of lung is useful to distinguish primary lung adenocarcinomas from adenocarcinomas of other organs.
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