CASP7 and oral cavity squamous cell carcinoma: Elevated levels of CASP7 are seen to associate with moderate and well-differentiated tumors in Oral Squamous Cell Carcinoma.24 Although knockdown or inhibition of CASP7 leads to decreased proliferation and growth of different cancerous cells.18, 19 Expression studies of CASP7 in breast carcinoma are not much known.