Human microRNAs regulate stress-induced immune responses mediated by the receptor NKG2D

Noam Stern-Ginossar, Chamutal Gur, Moshe Biton, Elad Horwitz, Moran Elboim, Noa Stanietsky, Michal Mandelboim, Ofer Mandelboim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

270 Scopus citations


MICA and MICB are stress-induced ligands recognized by the activating receptor NKG2D. A microRNA encoded by human cytomegalovirus downregulates MICB expression by targeting a specific site in the MICB 3′ untranslated region. As this site is conserved among different MICB alleles and a similar site exists in the MICA 3′ untranslated region, we speculated that these sites are targeted by cellular microRNAs. Here we identified microRNAs that bound to these MICA and MICB 3′ untranslated region sequences and obtained data suggesting that these microRNAs maintain expression of MICA and MICB protein under a certain threshold and facilitate acute upregulation of MICA and MICB during cellular stress. These microRNAs were overexpressed in various tumors and we demonstrate here that they aided tumor avoidance of immune recognition.

Original languageAmerican English
Pages (from-to)1065-1073
Number of pages9
JournalNature Immunology
Issue number9
StatePublished - 2008

Bibliographical note

Funding Information:
We thank D. Cosman (Amgen) for the NKG2D-Ig constructs and A. Bernard (Hôpital de L’Archet) for anti-CD99. Supported by the United States–Israel Binational Science Foundation (O.M.), the Israeli Cancer Research Foundation (O.M.), the Israeli Science Foundation (O.M.), the European Consortium (MRTN-CT-2005 and LSCH-CT-2005-518178 to O.M.), the Association for International Cancer Research (O.M.) and the Israel Academy of Sciences and Humanities (Adams Fellowship to N.S.-G.).


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