The term cellulitis is commonly used to indicate a nonnecrotizing inflammation of the skin and subcutaneous tissues, a process usually related to acute infection that does not involve the fascia or muscles. Cellulitis is characterized by localized pain, swelling, tenderness, erythema, and warmth.
In addition to confirming the previously identified asthma gene located on chromosome 17, researchers found another gene located on chromosome 1q31 was associated with an increased risk of childhood asthma in both children of European and African ancestry.
Studies have linked many Rett syndrome cases to a defect in a gene called methl-CpG-binding protein 2 (MeCP2). This gene is on the X chromosome. Females have two X chromosomes. Even when one chromosome has this defect, the other X chromosome is normal enough for the child to survive.