Multiple forms of lactadherin (breast antigen BA46) and butyrophilin are secreted into human milk as major components of milk fat globule membrane

antigen detection; antigen structure; breast milk; butyrophilin; lactadherin; Amino Acid Sequence; Antigens; Surface; Chromatography; Gel; Chromatography; High Pressure Liquid; Electrophoresis; Polyacrylamide Gel; Female; Glycolipids; Glycoproteins; Humans; Membrane Glycoproteins; Milk Proteins; Milk; Human