Publications by authors named "Villegas N"

Cannabidiol (CBD), extracted from L., holds therapeutic promise without inducing psychoactive effects seen with Δ9-tetrahydrocannabinol. Its interaction with the endocannabinoid system plays a pivotal role in regulating mood, pain perception and immune function.

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The use of telenovelas shows promise as a mode of education that could enhance Latino people's ability to prevent or manage different health conditions. This scoping review examined the available evidence about telenovela interventions on Latino health. A scoping review was conducted by searching five peer-reviewed databases for articles published on any date in English or Spanish.

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Background: The reporting of surgical instrument errors historically relies on cumbersome, non-automated, human-dependent, data entry into a computer database that is not integrated into the electronic medical record. The limitations of these reporting systems make it difficult to accurately estimate the negative impact of surgical instrument errors on operating room efficiencies. We set out to determine the impact of surgical instrument errors on a two-hospital healthcare campus using independent observers trained in the identification of Surgical Instrument Errors.

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Vascular dementia (VaD) is a white matter ischemic disease and the second-leading cause of dementia, with no direct therapy. Within the lesion site, cell-cell interactions dictate the trajectory towards disease progression or repair. To elucidate the underlying intercellular signaling pathways, a VaD mouse model was developed for transcriptomic and functional studies.

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This study explored the influence of the Theory of Planned Behavior constructs on human papillomavirus (HPV) vaccine (HPVV) intentions and uptake among Hispanic parents in South Florida for their children aged 9-21. A descriptive exploratory analysis was conducted using 39 surveys completed by Hispanic parents. These surveys encompassed demographic data and questions about HPVV uptake, intention, attitudes, subjective norms, knowledge, self-efficacy, and awareness.

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Hispanic women who experience intimate partner violence (IPV) face unique disparities. They have poorer health outcomes and are less likely to seek help than their non-Hispanic counterparts. When women remain in relationships where IPV occurs and refuse to disclose or seek treatment, they may resort to self-silencing, which can also worsen health outcomes.

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The HIV epidemic disproportionately affects Hispanics in the U.S., with Hispanic women (HW) accounting for 18% of new HIV diagnoses in 2019 despite comprising only 16% of the female population.

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Latinas continue to be disproportionately affected by HIV in the United States. Effective interventions to address HIV-related disparities among Latinas are available; however, they have not achieved widespread dissemination due to implementation challenges for real-world settings. A culturally tailored intervention that increases access to HIV prevention is urgently needed.

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This review sought to identify and integrate available evidence on various sources of Hispanic women's well-being following intimate partner violence (IPV). The review was conducted using the Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR). Four peer-reviewed databases were reviewed for studies published between 2007 and 2022.

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Frailty is a geriatric syndrome of increased vulnerability to stressors marked by a higher risk for poor health outcomes. HIV-related stigma is a stressor for Latino people with HIV (PWH) and an important barrier to HIV care. This study examines the association between HIV-related stigma and multidimensional frailty among older Latino PWH.

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The purpose of the current study was to identify biopsychosocial factors associated with depressive symptoms among Hispanic women aged ≥50 years. Cross-sectional data related to 10 biological, psychological, and social factors were analyzed. Center for Epidemiologic Studies Depression Scale scores suggested that 32% of the sample had depressive symptoms.

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Introduction: Latinas in the US are underrepresented in miscarriage research, yet face several risk factors for having a miscarriage, including intimate partner violence, and increasing maternal age. Increased acculturation is associated to increased risk of intimate partner violence and adverse pregnancy outcomes among Latinas yet is also understudied in the realm of miscarriage. Thus, this study aimed to analyze and compare sociodemographic characteristics, health-related factors, intimate partner violence, and acculturation among Latinas with and without a history of miscarriage.

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Chronic diseases (CDs) are increasingly common among the aging population. Some evidence suggests that older Hispanic women ages 50 years and older (OHW) are at an increased risk for CDs and poorer outcomes than other groups. This study investigated the preliminary efficacy of ActuaYa, a culturally tailored CD prevention and health promotion intervention for OHW.

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This study addresses rural Guatemala's poor maternal health and HIV status by culturally adapting an evidence-based HIV intervention, SEPA (Self-Care, Education, Prevention, Self-Care), to extend the capacity of comadronas (Mayan birth attendants) as HIV prevention providers. This mixed-method study examined the acceptability, suitability, and feasibility of SEPA presented to traditional elder and a younger cohort of comadronas over three sessions. Outcome variables were reported as mean scores.

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Phosphorothioates (PS) have proven their effectiveness in the area of therapeutic oligonucleotides with applications spanning from cancer treatment to neurodegenerative disorders. Initially, PS substitution was introduced for the antisense oligonucleotides (PS ASOs) because it confers an increased nuclease resistance meanwhile ameliorates cellular uptake and in-vivo bioavailability. Thus, PS oligonucleotides have been elevated to a fundamental asset in the realm of gene silencing therapeutic methodologies.

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Objective: This review aimed to systematically examine the characteristics and outcomes of family-based psychosocial interventions offered to adult Latino patients with cancer and their caregivers.

Methods: We searched six databases from their inception dates through June 2022. Studies were eligible for inclusion if they (1) targeted both adult Latino patients diagnosed with cancer and their adult caregivers or reported subgroup analyses of Latino patients and caregivers; (2) included family-based psychosocial interventions; (3) used randomized controlled trial (RCT) or quasi-experimental designs; and (4) were published in English, Spanish or Portuguese.

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This study aims to analyze the relationship between the availability of resources, exposure to psychological intimate partner violence (P-IPV), and depression in Hispanic women in South Florida. This secondary data analysis used cross-sectional baseline data from SEPA (Salud, Educación, Prevención y Autocuidado) III. SEPA III was a randomized controlled trial that tested the SEPA intervention with 320 cisgender, sexually active Hispanic women.

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Purpose: To compare disparities in outpatient ophthalmic care during early and later periods of the COVID-19 public health emergency.

Methods: This cross-sectional study compared non-peri-operative outpatient ophthalmology visits by unique patients at an adult ophthalmology practice affiliated with a tertiary-care academic medical center in the Western US during three time periods: pre-COVID (3/15/19-4/15/19), early-COVID (3/15/20-4/15/20), and late-COVID (3/15/21-4/15/21). Differences in participant demographics, barriers to care, visit modality (telehealth, in person), and subspeciality of care were studied using unadjusted and adjusted models.

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miR-122 has been considered both as tumor suppressor miRNA and oncomiR in breast tumor phenotypes. However, the role of miR-122 in triple-negative breast cancer (TNBC) is still unknown. In this study, the clinical value of miR-122 was used to describe the transcriptomic landscape of TNBC tumors obtained from The Cancer Genome Atlas database.

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Purpose: To describe the efficacy and safety of brolucizumab (Beovu®, Novartis Pharmaceuticals) in a case of cystoid macular edema associated with radiation retinopathy as a result of iodine-125 plaque brachytherapy (PBT) for choroidal melanoma, resistant to treatment with other anti-vascular endothelial growth factor (VEGF) agents.

Observations: A 67-year-old woman with choroidal melanoma in the right eye and best-corrected visual acuity (BCVA) of 20/20, underwent uncomplicated PBT. On post-operative month 7, the patient developed early onset radiation retinopathy.

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Importance: Many patients seen for eye-related issues in the emergency department do not receive recommended follow-up care. Prior evidence supports that scheduling appointments is a barrier to accomplishing the transition to outpatient ophthalmology care.

Objective: To evaluate time until appointment scheduling following emergency department discharge with urgent outpatient ophthalmology referral.

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Selective neuronal vulnerability to protein aggregation is found in many neurodegenerative diseases including Alzheimer's disease (AD). Understanding the molecular origins of this selective vulnerability is, therefore, of fundamental importance. Tau protein aggregates have been found in Wolframin (WFS1)-expressing excitatory neurons in the entorhinal cortex, one of the earliest affected regions in AD.

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We have used a variety of theoretical and experimental techniques to study the role of four basic amino acids-Arginine, Lysine, Ornithine and L-2,4-Diaminobutyric acid-on the structure, flexibility and sequence-dependent stability of DNA. We found that the presence of organic ions stabilizes the duplexes and significantly reduces the difference in stability between AT- and GC-rich duplexes with respect to the control conditions. This suggests that these amino acids, ingredients of the primordial soup during abiogenesis, could have helped to equalize the stability of AT- and GC-rich DNA oligomers, facilitating a general non-catalysed self-replication of DNA.

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Background: In 2018, one in six newly diagnosed individuals with HIV in the United States were adults aged 50 years and older, 24% were women, and 60% were Black/African American and Hispanic (42% and 18%, respectively).

Aims: This study aims to examine the factors associated with HIV psychosocial illness impact among Black/African American and Hispanic older women living with HIV.

Method: Guided by the socioecological model, a secondary data analysis design with cross-sectional data that included 138 Black/African American and Hispanic women aged 50 years and older was conducted.

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Purpose: This study seeks to evaluate the effectiveness of netarsudil (Rhopressa) in patients with inadequately controlled IOP on otherwise maximally tolerated medical therapy.

Methods: This is a retrospective study of patients started on netarsudil at Stanford University. Exclusion criteria included glaucoma surgery or laser within 6 months of starting netarsudil and other modifications to the baseline medication regimen within 4 weeks of starting netarsudil.

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