MYC and HSF1 Cooperate to Drive Sensitivity to Polo-like Kinase 1 Inhibitor Volasertib in High Grade Serous Ovarian Cancer.

Ovarian cancer is a deadly gynecological disease with frequent recurrence. Current treatments for patients include platinum-based therapy regimens with PARP inhibitors specific for HR-deficient high-grade serous ovarian cancers (HGSOCs). Despite initial effectiveness, patients inevitably develop disease progression as tumor cells acquire resistance.

Sub-clinical systemic inflammation as a determinant of admission duration in psychosis.

Background: The immune system may play an important role in the aetiology of psychotic disorders and there is increasing interest in the relationship between immune markers and clinical outcomes in psychosis. The present study investigated whether subclinical systemic inflammation was associated with length of stay in individuals with psychosis admitted to a psychiatric hospital. We tested the hypothesis that a higher level of subclinical systemic inflammation, as measured by the neutrophil-to-lymphocyte ratio (NLR) would be associated with a longer period in hospital.

Medicaid Policy and Hepatitis C Treatment Among Rural People Who Use Drugs.

Background: Restrictive Medicaid policies regarding hepatitis C virus (HCV) treatment may exacerbate rural health care disparities for people who use drugs (PWUD). We assessed associations between Medicaid restrictions and HCV treatment among rural PWUD.

Methods: We compiled state-specific Medicaid treatment policies across 8 US rural sites in 10 states and merged these with participant survey data.

Associations of circulating T-cell subsets with carotid artery stiffness: the multiethnic study of atherosclerosis.

Arterial stiffness measured by total pulse wave velocity (T-PWV) is associated with an increased risk of multiple age-related diseases. T-PWV can be described by structural (S-PWV) and load-dependent (LD-PWV) arterial stiffening. T-cells have been implicated in arterial remodeling, arterial stiffness, and hypertension in humans and animals; however, it is unknown whether T-cells are risk factors for T-PWV or its components.

Cannabis use patterns among people with HIV before and after legalization.

Background: Cannabis use is highly prevalent and detrimental among people with HIV (PWH). Legislative changes in several states altered the legality and accessibility of cannabis. We examined pre-post legislative changes in current, daily, and severe use in PWH in clinical care.

Examining the Reliability and Validity of Coding Perceived Force Severity and Bracing in the NHL Concussion Spotter Program.

Background: Data obtained from the National Hockey League (NHL) have shown that a risk prediction model, including both visible signs and mechanisms of injury, improves the identification of possible concussion. However, only about half of concussions diagnosed by club medical staff in the NHL exhibit visible signs. At present, the NHL concussion spotter protocol does not include central league spotters' subjective judgments of the severity of forces associated with a direct hit to the head (perceived force severity [PFS]) or whether players brace before a hit (bracing).

Severity and Number of Substances Used are Independently Associated with Antiretroviral Therapy Adherence Over Time among People with HIV in the Current Treatment Era.

Substance use is associated with decreased antiretroviral therapy (ART) adherence among people with HIV (PWH). Adherence plays a significant role in mediating the negative effects of substance use on HIV suppression and is a principal modifiable patient-level factor in improving HIV suppression and reducing ART drug resistance. Understanding substance use and ART adherence, particularly with rapidly changing substance use epidemiology and ART regimens, is vital to improving HIV care.

Biomarkers of microbial translocation and generalized inflammation are associated with frailty among people with HIV.

Background: Frailty occurs at higher rates and younger ages among people with HIV (PWH) compared with the general population and is often attributed to chronic inflammation and subsequent immune exhaustion. We assessed how inflammatory biomarkers are associated with frailty among PWH.

Methods: The Centers for AIDS Research (CFAR) Network of Integrated Clinical Systems (CNICS) cohort is comprised of adult PWH in care at 10 sites, and harmonizes demographic, clinical, and patient-reported outcomes (PRO) data.

Mature microRNA-binding protein QKI suppresses extracellular microRNA let-7b release.

Argonaute (AGO), a component of RNA-induced silencing complexes (RISCs), is a representative RNA-binding protein (RBP) known to bind with mature microRNAs (miRNAs) and is directly involved in post-transcriptional gene silencing. However, despite the biological significance of miRNAs, the roles of other miRNA-binding proteins (miRBPs) remain unclear in the regulation of miRNA loading, dissociation from RISCs and extracellular release. In this study, we performed protein arrays to profile miRBPs and identify 118 RBPs that directly bind to miRNAs.

Autophagy unrelated transcriptional mechanisms of hydroxychloroquine resistance revealed by integrated multi-omics of evolved cancer cells.

Hydroxychloroquine (HCQ) and chloroquine are repurposed drugs known to disrupt autophagy, a molecular recycling pathway essential for tumor cell survival, chemotherapeutic resistance, and stemness. We pursued a multi-omic strategy in OVCAR3 ovarian cancer and CCL218 colorectal cancer cells. Two genome-scale screens were performed.

A Machine Learning Approach to Concussion Risk Estimation Among Players Exhibiting Visible Signs in Professional Hockey.

Background: The identification of concussion risk factors, such as visible signs and mechanisms of injury, improves concussion identification. Exploring individual risk factors, such as concussion history, may help to improve existing concussion risk models and algorithms.

Objectives: The primary aim of the current study was to use machine learning techniques to develop a comprehensive, prospectively coded concussion risk model in professional hockey among players exhibiting visible signs.

Smoking and Type 1 Versus Type 2 Myocardial Infarction Among People With HIV in the United States: Results from the Center for AIDS Research Network Integrated Clinical Systems Cohort.

Smoking is a myocardial infarction (MI) risk factor among people with HIV (PWH). Questions persist regarding the role of smoking behaviors and measurements (e.g.

Low food security is associated with frailty status and frailty components among people with HIV.

Background: Low food security is common among people with HIV (PWH) and is associated with poorer health outcomes. Frailty, an aging-related outcome that is increasingly prevalent among PWH, may be stimulated by low food security. We assessed associations between food security and frailty among PWH.

MYC is Sufficient to Generate Mid-Life High-Grade Serous Ovarian and Uterine Serous Carcinomas in a p53-R270H Mouse Model.

Unlabelled: Genetically engineered mouse models (GEMM) have fundamentally changed how ovarian cancer etiology, early detection, and treatment are understood. MYC, an oncogene, is amongst the most amplified genes in high-grade serous ovarian cancer (HGSOC), but it has not previously been utilized to drive HGSOC GEMMs. We coupled Myc and dominant-negative mutant p53-R270H with a fallopian tube epithelium (FTE)-specific promoter Ovgp1 to generate a new GEMM of HGSOC.

Behavioral and Health Outcome Differences by Heroin or Methamphetamine Preference Among People in Rural US Communities Who Use Both Substances.

Background: The United States' (US) opioid overdose epidemic has evolved into a combined stimulant/opioid epidemic, a pattern driven in part by mitigating opioid overdose risk, variable substance availability, and personal preferences. This study aimed to investigate the association between self-reported substance preference (heroin or methamphetamine) and behavioral/health outcomes among individuals who used both heroin and methamphetamine in the rural US.

Methods: The Rural Opioid Initiative is a consortium of 8 research cohorts from 10 states and 65 rural counties that recruited individuals reporting past 30-day injection of any substance or opioid substance use by any route from 1/2018 to 3/2020.

High-resolution compound-specific mapping in works of art via data fusion of MA-XRPD with hyperspectral data (part 1: Method evaluation).

Background: Hyperspectral imaging techniques have emerged as powerful tools for non-invasive investigation of artworks. This paper employs either reflectance imaging spectroscopy (RIS) or macroscopic X-ray fluorescence (MA-XRF) imaging in combination with macroscopic X-ray powder diffraction (MA-XRPD) for state-of-the-art chemical imaging of painted cultural heritage artefacts. While RIS can provide molecular information and MA-XRF can offer elemental distribution maps of paintings of high lateral resolution, the unique advantage of MA-XRPD lies in its ability to visualize the distributions of specific pigments and estimate in a quantitative manner the relative concentrations of the crystalline phases at the surface of artworks.

Associations of circulating T-cell subsets in carotid artery stiffness: the Multi-Ethnic Study of Atherosclerosis.

Background: Arterial stiffness measured by total pulse wave velocity (T-PWV) is associated with increased risk of multiple age-related diseases. T-PWV can be described by structural (S-PWV) and load-dependent (LD-PWV) arterial stiffening. T-cells have been associated with arterial remodeling, blood pressure, and arterial stiffness in humans and animals; however, it is unknown whether T-cells are related to S-PWV or LD-PWV.

Sex Differences in the Risk of Stroke Associated With Traditional and Non-Traditional Factors in a US Cohort of People With HIV Infection.

Background And Objectives: Although stroke risk associated with HIV may be greater for women than men, little is known about whether the impact of different factors on cerebrovascular risk varies by sex in people with HIV (PWH) and contributes to stroke risk disparities in this population. The primary objective of this study was to examine whether sex modifies the effect of demographics, cardiometabolic factors, health-related behaviors, and HIV-specific variables on stroke risk in PWH from the Centers for AIDS Research Network of Integrated Clinical Systems (CNICS) cohort.

Methods: In this observational cohort study, we analyzed data from clinical encounters for PWH followed at 5 CNICS sites from approximately 2005 to 2020.