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Table 1 MDCK cell strains sold by three commonly used tissue culture vendors *

From: The MDCK variety pack: choosing the right strain

Supplier* Strain Description Cat No
ATCC[14] MDCK (NBL-2) Parental cell line, heterogeneous population of cells. CCL-34
  Supertube Isolated from parental line, readily forms tubules in appropriate conditions. CRL-2285
  Superdome Isolated from parental line, readily forms large domes in appropriate conditions. CRL-2286
  MDCK.1 Isolated from the parental cell line. Used in viral production/studies. Not MDCK type I. CRL-2935
  MDCK.2 Isolated from the parental cell line. Used in viral production/studies. Not MDCK type II. CRL-2936
ECACC[15] MDCK (NBL-2) Parental cell line, same as ATCC cat No. CCL-34. 85011435
  MDCK Parental cell line, heterogeneous population of cells. 84121903
  MDCK I Strain Isolated from a low passage parental cell line. 00062106
  MDCK II Strain isolated from a high passage parental cell line. 00062107
  MDCK-Protein free Strain modified to grow in protein-free medium. Results in growth of suspended clumps of cells. 02050101
  MDCK-SIAT1 Parental cell line cloned to give enhanced expression of 6-linked sialic acids. For virus research. 05071502
JCRB[33] MDCK (NBL-2) Parental cell line, same as ATCC cat No. CCL-34, unknown passage number. IFO50071
  MDCK (NBL-2) Parental cell line, same as ATCC cat No. CCL-34, passage number 55-58. JCRB9029
  MDCK.P3 MDCK derivative, no serum required. JCRB0717
  1. *correct as of September 2011. This article focuses on the ATCC, ECACC and JCRB but other suppliers of cell lines are available, including the Deutsche Sammlung von Mikroorganismen und Zellkulturen (DSMZ) which does not currently supply MDCK strains