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.
The regions on chromosomes 7 and 12 may coincide with the asthma and atopy loci on the same chromosomes. Polymorphism in the IL1 cluster on chromosome 2 has also been shown to influence the severity of the disease (95, 96).
Genetic Mutation Appears to Cause Asthma. A genetic mutation in a gene that is a marker for asthma severity may also play a role in causing the disease, researchers at Yale School of Medicine and the University of Chicago report today in the New England Journal of Medicine.