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The UHNMAC prints a variety of arrays (human, mouse, yeast, custom) in-house. Our microarrays are printed on UltraGAPS™ slides (Corning Inc.) using high-precision robotics. Printed arrays are processed following Corning's protocol and are ready-to-use. To get pricing information, set up an account, or to place an order, please send e-mail to

Please note: Due to reduced demand of our in-house printed cDNA microarrays, they have been discontinued as of July 31st, 2010. They will only be made available for on-going projects with minimum order requirement. Please contact for details.

*Annotations on all arrays are subject to change. We recommend users update the latest annotations from the corresponding databases. The gene lists are available here.

See our Ready-to-use Human Arrays Flyer 

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Human Arrays
19K cDNA Array (H19K)
  • Single-spotted array containing 19,008 characterised and unknown human ESTs.*

  • The clone set has been sequence-verified at the Microarray Centre and the sequences can be downloaded for validation.

  • Can be hybridised "face-to-face" with the H8K array - see H27K Combo Array.

8.1K CpG-island Array (HCGI8.1K)
  • Single-spotted array containing 8,109 CpG-island clones consolidated from the UHN's HCGI12K set and an independent 8.5K set obtained from Tim Huang at the Ohio State University (Columbus, OH).*

  • This library and array was described in Heisler L, et. al., CpG Island microarray probe sequences derived from a physical library are representative of CpG Islands annotated on the human genome. NAR (2005) 33:2952-2961

  • Both sets were sequenced at the Michael Smith Genome Sciences Centre with support from the NIH/NCI, and here at the Microarray Centre. BLAT-annotated clones with overlapping sequences over 20% of either clone were considered as duplicates and excluded. Clones with internal repeat sequences, with no or more than one BLAT hits and those mapped to chromosome M (mitochondria) were also excluded. The resulting consolidated set contains 3,611 clones from the UHN's HCGI12K set and 4,498 from the 8.5K set. Visit our online database for clone annotations.

  • Arabidopsis controls from the UHN Microarray Centre and clones from Stratagene's SpotReport Alien cDNA Array Validation System have been printed on the arrays.

  • Since the HCGI8.1K arrays give consistently lower intensities, an indirect labeling protocol is recommended.

12K CpG-island Array (HCGI12K)

Mouse Arrays
4.6K CpG-island Array (MCGI4.6K)
  • Single-spotted array containing 4,642 CpG-island clones obtained from the Sanger Institute.* This array set replaces MCGI7.3K.

  • Based on sequencing and BLAT annotation, this set includes unique clones from the original MCGI7.3K and additional CpG-island clones.

  • All clones were sequenced at the Michael Smith Genome Sciences Centre with support from NCI/NIH and here at the Microarray Centre. Visit our online database for clone annotations.

Other Arrays
Yeast 6.4K Array (Y6.4K)
  • Double-spotted array containing 6,240 yeast ORFs (plus control spots totalling 6.4K).*

  • Detailed information on the ORFs and sequences can be found at Saccharomyces Genome Database.

Customised Arrays
  • We also provide custom printing services based on supplied material (cDNA or oligonucleotides). For details, please send e-mail to