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An Improved Red Blood Cell Storage Product and Extended Shelf Life using a Normoglycemic Additive Solution

Award Number: R01HL156440
ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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PROJECT SUMMARY According to the most recent National Blood Collection and Utilization Survey (NBCUS), nearly 28,000 units (280 mL) of red blood cells (RBCs) are administered daily to transfusion recipients in the United States alone. On an annual basis, over 10 million units are provided to people in need of circulating RBCs. While the NBCUS concluded that healthcare providers were very efficient in their use of stored units of RBCs, there are still complications that exist following transfusion. Furthermore, local shortages of blood products available to healthcare providers sometimes occur. In this proposal, the investigative team proposes a relatively simple modification to the solution in which the RBCs are stored that will overcome the aforementioned shortcomings. Specifically, the current FDA-approved storage solutions all have glucose concentrations between 45-111 mM; the average healthy human has blood glucose levels of 4-6 mM and we believe these hyperglycemic conditions are damaging the RBC in storage. Therefore, we hypothesize that storing the cells in normoglycemic conditions (4-6 mM) and maintaining that concentration with periodic feeding using a manual, proof-of-concept IV piggyback (IVPB), a technique already used to drip reagents into a saline bag in hospitals, will lead to an improved blood storage product. We will also test a novel rejuvenating solution based on C-peptide, the 31-amino acid peptide secreted from the pancreas in a 1:1 ratio with insulin. Preliminary data shows our C-peptide-based rejuvenating additive can maintain important cell membrane and metabolic properties for weeks into storage. We will test our solutions in a polyjet-printed microfluidic device that mimics transfusion on a chip, while simultaneously monitoring key secretion molecules that are determinants of blood flow and adhesion in vivo. Informed by our early aims, we will test our normoglycemic storage solutions and rejuvenating strategy using fluorescence-labeled RBCs in a mouse model of transfusion and radiolabeled RBCs in a larger, sheep model of transfusion. Outcomes from these studies will be (1) an improved stored RBC product that results in less post-transfusion complications for the recipient and (2) a product that can be stored at least 2 weeks longer (56 days) than the current storage expiration time of 42 days. This extension of shelf-life would result in approximately 12,000 more units of available stored blood over a 14 day period. Importantly, our method will not disrupt any aspect of current blood collection and processing strategies, only requiring subsequent approval of less glucose in the original collection and storage solutions, thus not disrupting current supply chain strategies.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2024 ( Subtotal = $493,689 )
2024	2024	MICHIGAN STATE UNIVERSITY	426 AUDITORIUM RD RM 2	EAST LANSING	MI	48824	INGHAM	USA	Blood Diseases and Resources Research	000	4	7/29/2024	NON-COMPETING CONTINUATION	$493,689
														Subtotal = $493,689

Issue Date FY: 2023 ( Subtotal = $503,764 )
2023	2023	MICHIGAN STATE UNIVERSITY	426 AUDITORIUM RD RM 2	EAST LANSING	MI	48824	INGHAM	USA	Blood Diseases and Resources Research	000	3	6/28/2023	NON-COMPETING CONTINUATION	$503,764
														Subtotal = $503,764

Issue Date FY: 2022 ( Subtotal = $503,764 )
2022	2022	MICHIGAN STATE UNIVERSITY	426 AUDITORIUM RD RM 2	EAST LANSING	MI	48824	INGHAM	USA	Blood Diseases and Resources Research	000	2	7/12/2022	NON-COMPETING CONTINUATION	$503,764
														Subtotal = $503,764

Issue Date FY: 2021 ( Subtotal = $481,146 )
2021	2021	MICHIGAN STATE UNIVERSITY	426 AUDITORIUM RD RM 2	EAST LANSING	MI	48824	INGHAM	USA	Blood Diseases and Resources Research	000	1	7/29/2021	NEW	$481,146
														Subtotal = $481,146

Grand Total All Awards = $1,982,363

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An Improved Red Blood Cell Storage Product and Extended Shelf Life using a Normoglycemic Additive Solution

Award Number: R01HL156440

ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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