Immunology Acronym Puzzle

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Across
  1. 2. regulator, A transcription factor that causes several hundred tissue-specific genes to be transcribed by a subpopulation of epithelial cells in the thymus
  2. 3. Transcription factor expressed in Treg cells that is needed for Treg cell function
  3. 4. An immunoglobulin that is expressed on B cell surface
  4. 6. Name of the major histocompatibility gene complex and proteins in humans
  5. 7. A cell that is able to present antigen via MHC molecules to T cell receptors on T cells
  6. 9. A molecule that is recognized in native (original) structure by antibodies or B cell receptor
  7. 11. The antigen receptor on T cells
  8. 12. General designation of many of the different cytokines, chemical messengers secreted by immune cells that help in their communication with other cells
  9. 13. The antigen receptor on T cell
Down
  1. 1. Protein family to which antibodies and B-cell receptors belong
  2. 5. recognition receptors, Receptors on immune cells and epithelial cells that recognize and bind to pathogen-associated molecular patterns on microbes
  3. 6. Abbreviation for the multiple drug treatments for HIV infection
  4. 8. The designation for specific cell-surface molecules on immune cells that help to differentiate one immune cell from another
  5. 10. The end stage of disease in HIV infection