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Viral and immune kinetics in rhinovirus infection following hematopoietic cell transplantation

Award Number: R01AI153087
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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Viral and immune kinetics in rhinovirus infection following hematopoietic cell transplantation - PROJECT SUMMARY Human rhinovirus (HRV) is the most common respiratory virus detected in the upper and lower respiratory tract in hematopoietic cell transplant (HCT) recipients; mortality rates following HRV lower respiratory tract infection are similar to those seen with known pulmonary viral pathogens including respiratory syncytial virus, influenza, and parainfluenza virus. Despite the high burden of disease and the observed complications of HRV infection in HCT recipients, the development of HRV therapeutics is hindered by the lack of a comprehensive understanding of the relationship between viral detection, symptoms and host immune responses and the impact of these factors on disease severity. We have demonstrated that clinical risk factors, including cytopenias and steroid use, are associated with progression from upper respiratory tract infection (URTI) to LRTI. However, up to 70% of patients with profound immunosuppression at the time of virus acquisition clear their infections without treatment. Our preliminary data show that gene expression signatures at the time of URTI may be predictive of progression to LRTI. We aim to characterize the interplay between viral detection, cytokine levels and cellular immune responses early during HRV infection in HCT recipients in a prospective surveillance cohort. We will also perform in depth gene expression analyses at a single cell level to identify specific cellular populations that are associated with severe disease in both peripheral blood and in proximal bronchoalveolar lavage fluid. The central hypothesis of this proposal is that viral and host immune kinetics, including both global and cell specific gene expression profiles in specific tissue compartments, impact disease severity in HCT recipients with HRV infection. Results from these experiments will characterize the optimal timing and most predictive viral and host immune markers that can be used to design rational clinical trials for novel therapeutics. Our deep interrogation of compartment and cell specific immune responses will further our understanding of virus-host interactions and of potential targets for intervention.


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: 2025 ( Subtotal = $0 )
2025	2023	SEATTLE CHILDREN'S HOSPITAL	4800 SAND POINT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	000	4	4/10/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $768,075 )
2023	2023	SEATTLE CHILDREN'S HOSPITAL	4800 SAND POINT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	000	4	5/25/2023	NON-COMPETING CONTINUATION	$768,075
														Subtotal = $768,075

Issue Date FY: 2022 ( Subtotal = $781,685 )
2022	2022	SEATTLE CHILDREN'S HOSPITAL	4800 SAND POINT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	000	3	6/3/2022	NON-COMPETING CONTINUATION	$781,685
2022	2022	SEATTLE CHILDREN'S HOSPITAL	4800 SAND POINT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	001	3	7/22/2022	NON-COMPETING CONTINUATION	$0
														Subtotal = $781,685

Issue Date FY: 2021 ( Subtotal = $672,657 )
2021	2021	SEATTLE CHILDREN'S HOSPITAL	4800 SAND POINT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	000	2	6/1/2021	NON-COMPETING CONTINUATION	$672,657
														Subtotal = $672,657

Issue Date FY: 2020 ( Subtotal = $695,614 )
2020	2020	SEATTLE CHILDREN'S HOSPITAL	4800 SAND PT WAY NE	SEATTLE	WA	98105	KING	USA	Allergy and Infectious Diseases Research	000	1	6/4/2020	NEW	$695,614
														Subtotal = $695,614

Grand Total All Awards = $2,918,031

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Viral and immune kinetics in rhinovirus infection following hematopoietic cell transplantation

Award Number: R01AI153087

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

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