Plasma cells originate in lymphoid (immune) tissues and then migrate to protected sites throughout the body, where they produce large amounts of antibodies in response to infection-related substances.

The cell wall surrounds the plasma membrane and provides the cell tensile strength and protection. Plant cells have some specialized properties that make them distinct from animal cells.

The researchers discovered that disease-scarred lung tissue abounds in plasma cells -- specialized immune cells that typically reside in bone marrow and produce antibodies. "What we found most ...