Weiming Xia - US grants

Affiliations:

Pharmacology and Experimental Therapeutics

Boston University School of Medicine, Boston, MA

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High-probability grants

According to our matching algorithm, Weiming Xia is the likely recipient of the following grants.

Years	Recipients	Code	Title / Keywords	Matching score
2007 — 2008	Xia, Weiming	M01Activity Code Description: An award made to an institution solely for the support of a General Clinical Research Center where scientists conduct studies on a wide range of human diseases using the full spectrum of the biomedical sciences. Costs underwritten by these grants include those for renovation, for operational expenses such as staff salaries, equipment, and supplies, and for hospitalization. A General Clinical Research Center is a discrete unit of research beds separated from the general care wards.	The Role of Neural Stem Cells in the Development of Human Epilepsy @ State University New York Stony Brook	0.94
2019 — 2020	Goldstein, Lee E. (co-PI) [⬀] Xia, Weiming	R01Activity Code Description: To support a discrete, specified, circumscribed project to be performed by the named investigator(s) in an area representing his or her specific interest and competencies. RF1Activity Code Description: To support a discrete, specific, circumscribed project to be performed by the named investigator(s) in an area representing specific interest and competencies based on the mission of the agency, using standard peer review criteria. This is the multi-year funded equivalent of the R01 but can be used also for multi-year funding of other research project grants such as R03, R21 as appropriate.	Big Data and Small Molecules For Alzheimer's Disease @ Boston University Medical Campus ABSTRACT More than half of residents in nursing home communities suffer from cognitive impairment with Alzheimer?s disease (AD) or AD related dementia (ADRD), and one-third of all US COVID-19 deaths are long- term care facility residents. The COVID-19 pandemic places AD patients at a greater risk of respiratory failure and mortality. Hypertension, which is prevalent among elderly populations, results in more severe COVID-19 symptoms. The goal of this supplement NIH application is to examine whether AD patients vulnerable to infection by severe acute respiratory syndrome coronavirus (SARS-CoV-2) can improve clinical outcomes of COVID-19 with angiotensin converting enzyme inhibitors (ACEI). This supplement application fits within the scope of our NIA-funded parent project, ?Big data and small molecules for Alzheimer?s disease (RF1- AG063913).? The hypothesis from the parent project was that tauopathy and related neurodegenerative disease pathologies can be suppressed in mice treated with ACEI and statins. The hypothesis for this supplement project is that ACEI reduces the susceptibility, severity, and improves outcomes of SARS- CoV-2 infection in AD patients. This supplement research shares the same goal of the parent project, which aims to meet an urgent need to identify and fast-track new AD therapies (ACEI) with a clear efficacy readout. The scientific premise for our approach is strong. First, angiotensin II is elevated in both COVID-19 and AD patients, making ACE (converting angiotensin I to II) the prime target for inhibition. Second, SARS-CoV-2 binds to its target cells through ACE homolog ACE2. Third, treating human cell organoids with recombinant ACE2 reduces the viral load of SARS-CoV-2, and treating patients with ACEI up-regulates ACE2 in those with hypertension. Using a national database, we have reported significantly longer preclinical (asymptomatic) intervals before AD onset in subjects treated with ACEI and statins compared to those taking neither drug. We have identified ~350,000 subjects on an ACEI, with sufficient power to determine whether there is an association between ACEI and COVID-19 among AD patients. We propose to achieve three Specific Aims. Aim 1. To determine the susceptibility of AD to SARS-CoV-2 infection. This is a unique Aim that supplements the parent grant by using the original data set extended with data on COVID-19 and other variables including geographic regions. Aim 2. To determine the association of individual ACEI with the reduced occurrence of COVID-19 in medicated AD patients. We will divide all ten prescribed ACEIs into blood-brain barrier (BBB) crossing and non-crossing ACEIs and determine which group of/individual ACEIs reduce the occurrence of COVID-19 in AD patients. Aim 3. To determine the association of ACEI therapies with the severity of COVID- 19 symptoms in AD patients. The severity of COVID-19 will be defined by self-quarantine, hospitalization, intensive care unit admission, use of mechanical ventilators, as well as mortality. Show summary Hide summary	0.957