Protagenic Therapeutics (PTIX) S-3Shelf registration

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 23, 2021 with respect to the audited consolidated financial statements of Protagenic Therapeutics, Inc. for the years ended December 31, 2020 and 2019. Our report contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.

We also consent to the references to us under the heading “Experts” in such Registration Statement.