QuickLinks -- Click here to rapidly navigate through this document
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption "Experts" and to the use of our report dated March 29, 2007 in the Registration Statement on Form S-1 and related Prospectus of Quark Biotech, Inc. dated March 30, 2007.
/S/ KOST FORER GABBAY & KASIERER | ||
Tel-Aviv, Israel March 30, 2007 | KOST FORER GABBAY & KASIERER A Member of Ernst & Young Global |
Consent of Independent Registered Public Accounting Firm