Some components, especially cytokines and apoptosis regulation components are overexpressed in patients with sarcopenia (NLRP1, NLRC4, CASP1, CASP5, CTSL, IFI16, TLR8, PSXR7, CCR1, CHUCK, MAPK14, CDKN1B). The gene discussed is NLRP1; the disease is sarcopenia.