Clinical analysis and therapeutic development of exosomal ACE2

Active Project Grant Awarded Last action

Award ID
R01AI167272
Recipient
Awarding agency
Obligated
$5,148,385

Award facts

Assistance listing
93.855 Allergy and Infectious Diseases Research
Completion date 86% complete
Place of performance
Chicago, IL 60611, USA

Award details come from USAspending.gov.

Description

Abstract
Biomarker-guided treatment is key to improve outcomes of many diseases. The current covid-19 pandemic caused by severe acute respiratory syndrome coronavirus 2 (sars-COV-2) is a global crisis due to lagged vaccination and inefficient control of the virus, which has caused over 253 million cases and more than 5.1 million deaths as of november 15, 2021. For potential new strains that may infect vulnerable populations or escape from vaccination-mediated prevention, biomarker-guided specific therapeutics against broad strains of sars- COV-2 as well as future corona viruses are still urgently required to prevent viral spreading and save human lives from severe covid-19. In exploration of soluble components in the plasma of covid-19 patients during acute infection and convalescent phase, we detected ACE2 expression in a subset of circulating exosomes and found that the levels of ACE2+ exosomes (EXOACE2) are associated with severity of covid-19. Purified ACE2+ exosomes competitively blocked the sars-COV-2 infection through inhibiting the viral spike protein with its cellular receptor ACE2. We hypothesize that the exosomal ACE2 not only serves a biomarker for covid-19 pathogenesis but also represents an innovative decoy therapy to treat all strains of coronaviruses that use ACE2 for viral entry. We propose two specific aims: (1) to establish a standard clinical assay for EXOACE2 analysis; and (2) to develop EXOACE2 therapeutics against the current and future broad strains of coronaviruses. Two academic institutions (northwestern university and MD anderson cancer center) will team up with the industry partner exomira medicine for collaborative translation of EXOACE2 into clinical applications, i.e. biomarker-guided therapy against sars-COV-2 and other coronaviruses.

Transactions

Action Obligated Date
Amendment $697,517
Amendment $697,517
Amendment $697,517
Amendment $748,517
Amendment $748,517
Amendment $779,400
Original award $779,400

Subawards

Subrecipient Amount Awarded
Exomira Medicine Inc. Clinical analysis and therapeutic development of exosomal ACE2 $165,000
Exomira Medicine Inc. $165,000
The Univeristy Of Texas M.d. Anderson Cancer Center Clinical Analysis and Therapeutic Development of Exosomal ACE2 $81,000
Exomira Medicine Inc. Clinical analysis and therapeutic development of exosomal ACE2 $110,000

Quick answers

Who received award R01AI167272?

R01AI167272 was awarded to Northwestern University by National Institute of Allergy and Infectious Diseases (National Institutes of Health) on July 15, 2022.

How much is award R01AI167272 worth?

$5,148,385 has been obligated on R01AI167272.

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