In the HeLa cell cervical cancer cell line, N2A neuroblastoma cells, human aortic smooth muscle cells, and mouse TM4 testis cells, SPCA1 was found to be present in the cis-Golgi and trans-Golgi, as well as in late endosomes (30, 31, 32). The gene discussed is ATP2C1; the disease is cervical carcinoma.