Immunoglobulin A only weakly. IgA exists in two isotypes, IgA1 and IgA2. They are both heavily glycosylated proteins. While IgA1 predominates in serum (~80%), IgA2 percentages are higher in secretions than in serum (~35% in secretions); the ratio of IgA1 and IgA2 secreting cells varies in the different lymphoid tissues of the human body: Both IgA1 and IgA2 have been found in external secretions like colostrum, maternal milk, tears and saliva, where IgA2 is more prominent than in the blood. Polysaccharide antigens tend to induce more IgA2 than protein antigens. Both IgA1 and IgA2 can be in membrane-bound form. ("see B-cell receptor")
A Man Called Ove "Gran Torino", "A Man Called Ove" is well made and capable of bringing real tears to the audience's eyes. , the film is the third most watched Swedish theatrical film in Sweden of all time. A US remake will be produced by Tom Hanks, who also will star in the film. A Man Called Ove A Man Called Ove (, ) is a Swedish comedy-drama film which was released to cinemas in Sweden 25 December 2015. The film was written and directed by Hannes Holm, and is based on author Fredrik Backman's 2012 book of the same name. In the