Lymphoid tissue: T-lymphocytes and the Thymus The thymus is a primary lymphoid organ found within the superior mediatinum, behind the upper part of the sternum. This organ is active in children, but at the start of puberty, until old age, it starts to atrophy, producing fewer T-cells.
2. Increased risk of infection. PROGRAF is a medicine that affects your immune system. Prograf can lower the ability of your immune system to fight infections. Serious infections can happen in people receiving Prograf that can cause death. Call your doctor right away if you have symptoms of an infection such as: 1  fever.2  sweats or chills.3  cough or flu-like symptoms. 4  muscle aches. 5  warm, red, or painful areas on your skin.erious infections can happen in people receiving Prograf that can cause death. Call your doctor right away if you have symptoms of an infection such as: 1  fever. 2  sweats or chills. 3  cough or flu-like symptoms. 4  muscle aches. 5  warm, red, or painful areas on your skin.
Creatinine itself is not harmful to body, but high creatinine level reflects high levels of other toxins in body. High levels of toxins and harmful substances can lead to many problems, such as nausea, vomiting, bad breathe etc. Protein in urine in stage 3 kidney disease. Proteins play an important role in body and they can protect the body against foreign substances like virus, infection etc. The healthy kidneys can filter the wastes from body and also retain useful substances in body.