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Trajectories of socially regulated gene expression, methamphetamine use, and viral load among HIV-positive men who have sex with men (MSM) receiving contingency management

Award Number: K01DA051329
ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 04/01/2021
PERIOD OF PERFORMANCE END DATE: 03/31/2026

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Trajectories of socially regulated gene expression, methamphetamine use, and viral load among HIV-positive men who have sex with men (MSM) receiving contingency management - PROJECT ABSTRACT The K01 Mentored Research Scientist Development Award will provide Dr. Michael Li with invaluable research experience, mentored training from interdisciplinary faculty, and training activities in a combination of behavioral and basic sciences, which will prepare him well in his career as a biobehavioral researcher in addiction medicine and HIV treatment/prevention. This K01 mechanism will support Dr. Li’s research and training efforts to develop expertise in the following areas: (1) neurally regulated “stress” gene expression markers and links to addiction and HIV disease progression; (2) cultural competence and ethical conduct; (3) technical assay and substantive analytic methods in gene expression research; (4) clinical trial methods; and (5) professional development. Dr. Li has assembled an interdisciplinary mentorship team who will support key aspects of his training and research. Dr. Steven Shoptaw is a highly productive and influential researcher in addiction medicine, and he has an extensive track-record mentoring people who later became successful independent researchers. Co-mentor Dr. Steven Cole has pioneered the field of social genomics, and will direct Dr. Li’s training in transcriptomic methods. Dr. Jesse Clark will guide Dr. Li in clinical trial operations and safety procedures, and Dr. Thomas Belin will provide extensive mentoring in advanced statistical methods and inferential frameworks in clinical trials. Dr. Li proposes to investigate whether a neurally regulated “stress” gene expression pattern can serve as a clinically meaningful, non-abstinence-based endpoint for contingency management for methamphetamine (METH) use disorder (MUD) in MSM living with HIV. Abstinence determined by urine testing has been the only standard clinical outcome for MUD treatment, but provides an incomplete picture of patient recovery. The gene expression pattern called the conserved transcription response to adversity (CTRA) may provide insight into changes in both psychosocial health and pathogenesis over the course of MUD treatment. The CTRA is marked by upregulated expression of pro-inflammatory genes and downregulated expression of Type I interferon genes in response to negative psychosocial experiences such as depression, anxiety, and violence, problems also comorbid with METH use. The CTRA also involves some of same gene regulatory pathways that contribute to METH-related pathogenesis, such as those involving inflammation and innate antiviral responses (relevant to PLWH). My proposed research will use a two-arm clinical trial design (N=55) with 35 HIV-positive MSM with MUD receiving contingency management for METH reduction, and 20 HIV-positive MSM who qualify as a non-substance-using control to accomplish the following aims: 1) to investigate whether CTRA gene expression coincides with METH use and viral load; 2) to investigate whether psychosocial indicators of addiction are associated with CTRA; and 3) to conduct an exploratory pilot investigation to determine the degree to which CTRA mediates the association between METH use and viral load. Together, this K01 research project and training plan will play a fundamental role in my early success as an independent substance use and HIV researcher.


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 = $189,401 )
2025	2025	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	5	3/13/2025	NON-COMPETING CONTINUATION	$189,401
														Subtotal = $189,401

Issue Date FY: 2024 ( Subtotal = $189,401 )
2024	2024	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10920 WILSHIRE BLVD STE 500	LOS ANGELES	CA	90024	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	4	3/6/2024	NON-COMPETING CONTINUATION	$189,401
														Subtotal = $189,401

Issue Date FY: 2023 ( Subtotal = $189,401 )
2023	2023	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	3	3/9/2023	NON-COMPETING CONTINUATION	$189,401
														Subtotal = $189,401

Issue Date FY: 2022 ( Subtotal = $189,401 )
2022	2022	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	2	3/21/2022	NON-COMPETING CONTINUATION	$189,401
														Subtotal = $189,401

Issue Date FY: 2021 ( Subtotal = $189,401 )
2021	2021	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90095	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	1	3/22/2021	NEW	$189,401
														Subtotal = $189,401

Grand Total All Awards = $947,005

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Trajectories of socially regulated gene expression, methamphetamine use, and viral load among HIV-positive men who have sex with men (MSM) receiving contingency management

Award Number: K01DA051329

ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 04/01/2021

PERIOD OF PERFORMANCE END DATE: 03/31/2026

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