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Computational Methods for Analyzing lmmunoglobulin Allelic Diversity in B cells

Award Number: F31AI179156
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 09/01/2023
PERIOD OF PERFORMANCE END DATE: 08/31/2025

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Computational Methods for Analyzing lmmunoglobulin Allelic Diversity in B cells - PROJECT SUMMARY/ABSTRACT The development of broadly neutralizing antibodies (BNAbs) remains an ambitious objective for effective vaccine responses. Methods to reliably elicit BNAbs are not known, nor are the mechanisms for their natural development fully understood. Prior work, including research from our lab, has identified a handful of germline immunoglobulin (Ig) variable (V) gene alleles more likely to become broadly neutralizing antibodies for HIV, influenza, and autoimmunity. Unfortunately, this barely scratches the surface of the over 500 documented alleles broadly distributed across populations. We will work closely with experimental collaborators to develop computational methods accelerating Ig characterization with the long-term goal of BNAbs discovery. Success in these endeavors will contribute to the development of personalized healthcare and vaccination strategies, and increase our understanding of this critical component of the adaptive immune response. This proposal will take advantage of the growing quantity of single cell (SC) data being produced, which allows RNA expression to combine with Ig repertoires to confer a host of useful biological context to analyze. Despite the advantages of SC data and its potential to immunology analysis forward, it remains either missing or represents a fractional percentage of adaptive immune receptor repertoire (AIRR) datasets in public repositories due to a lack of analysis tools appropriate to the challenges of SC. To address this problem, we will develop Ig analysis methods leveraging SC data. Our goals are to improve coverage and accuracy of Ig V gene analysis and identify germline alleles associated with differential Ig expression and immunological outcomes. This is an early critical step in promoting broad use of SC data in AIRR analyses, understanding the complex interplay between Ig and factors not captured within the allelic sequence, and linking AIRR analysis to multi-omics data. Results will additionally guide future studies with experimental collaborators and advance novel methodology suited for Ig genes and B cell biology of diseases.


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 = $33,929 )
2024	2024	YALE UNIV	150 MUNSON ST	NEW HAVEN	CT	06511	SOUTH CENTRAL CT	USA	Allergy and Infectious Diseases Research	000	2	8/12/2024	NON-COMPETING CONTINUATION	$33,929
														Subtotal = $33,929

Issue Date FY: 2023 ( Subtotal = $47,694 )
2023	2023	YALE UNIVERSITY	105 WALL ST	NEW HAVEN	CT	06511	SOUTH CENTRAL CT	USA	Allergy and Infectious Diseases Research	002	1	8/4/2023	NEW	$0
2023	2023	YALE UNIVERSITY	105 WALL ST	NEW HAVEN	CT	06511	SOUTH CENTRAL CT	USA	Allergy and Infectious Diseases Research	000	1	6/1/2023	NEW	$47,694
2023	2023	YALE UNIVERSITY	105 WALL ST	NEW HAVEN	CT	06511	SOUTH CENTRAL CT	USA	Allergy and Infectious Diseases Research	001	1	6/1/2023	NEW	$0
														Subtotal = $47,694

Grand Total All Awards = $81,623

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Computational Methods for Analyzing lmmunoglobulin Allelic Diversity in B cells

Award Number: F31AI179156

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 09/01/2023

PERIOD OF PERFORMANCE END DATE: 08/31/2025

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