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1.
Proc Natl Acad Sci U S A ; 121(39): e2409264121, 2024 Sep 24.
Artículo en Inglés | MEDLINE | ID: mdl-39284046

RESUMEN

The racial gap in infant mortality is a pressing public-health concern, and [B. N. Greenwood et al., Proc. Natl. Acad. Sci. U.S.A. 117, 21194-21200 (2020), 10.1073/pnas.1913405117] suggest that Black newborns are more likely to survive if cared for by Black physicians after birth, even in models that control for numerous variables, including hospital and physician fixed effects, and the 65 most common comorbidities affecting newborns (as described by International Classification of Disease codes). We acquired the data used in the study, covering Florida hospital discharges from 1992 through the third quarter of 2015, to replicate and extend the analysis. We find that the magnitude of the concordance effect is substantially reduced after controlling for diagnoses indicating very low birth weight (<1,500 g), which are a strong predictor of neonatal mortality but not among the 65 most common comorbidities. In fact, the estimated effect is near zero and statistically insignificant in the expanded specifications that control for very low birth weight and include hospital and physician fixed effects.


Asunto(s)
Mortalidad Infantil , Humanos , Recién Nacido , Mortalidad Infantil/etnología , Florida/epidemiología , Femenino , Lactante , Masculino , Negro o Afroamericano , Relaciones Médico-Paciente , Médicos
2.
PLoS Comput Biol ; 20(4): e1011351, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38598563

RESUMEN

In the midst of an outbreak or sustained epidemic, reliable prediction of transmission risks and patterns of spread is critical to inform public health programs. Projections of transmission growth or decline among specific risk groups can aid in optimizing interventions, particularly when resources are limited. Phylogenetic trees have been widely used in the detection of transmission chains and high-risk populations. Moreover, tree topology and the incorporation of population parameters (phylodynamics) can be useful in reconstructing the evolutionary dynamics of an epidemic across space and time among individuals. We now demonstrate the utility of phylodynamic trees for transmission modeling and forecasting, developing a phylogeny-based deep learning system, referred to as DeepDynaForecast. Our approach leverages a primal-dual graph learning structure with shortcut multi-layer aggregation, which is suited for the early identification and prediction of transmission dynamics in emerging high-risk groups. We demonstrate the accuracy of DeepDynaForecast using simulated outbreak data and the utility of the learned model using empirical, large-scale data from the human immunodeficiency virus epidemic in Florida between 2012 and 2020. Our framework is available as open-source software (MIT license) at github.com/lab-smile/DeepDynaForcast.


Asunto(s)
Biología Computacional , Aprendizaje Profundo , Epidemias , Filogenia , Humanos , Epidemias/estadística & datos numéricos , Biología Computacional/métodos , Infecciones por VIH/transmisión , Infecciones por VIH/epidemiología , Programas Informáticos , Florida/epidemiología , Algoritmos , Simulación por Computador , Brotes de Enfermedades/estadística & datos numéricos
3.
PLoS Comput Biol ; 20(5): e1012128, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38820570

RESUMEN

We evaluate approaches to vaccine distribution using an agent-based model of human activity and COVID-19 transmission calibrated to detailed trends in cases, hospitalizations, deaths, seroprevalence, and vaccine breakthrough infections in Florida, USA. We compare the incremental effectiveness for four different distribution strategies at four different levels of vaccine supply, starting in late 2020 through early 2022. Our analysis indicates that the best strategy to reduce severe outcomes would be to actively target high disease-risk individuals. This was true in every scenario, although the advantage was greatest for the intermediate vaccine availability assumptions and relatively modest compared to a simple mass vaccination approach under high vaccine availability. Ring vaccination, while generally the most effective strategy for reducing infections, ultimately proved least effective at preventing deaths. We also consider using age group as a practical surrogate measure for actual disease-risk targeting; this approach also outperforms both simple mass distribution and ring vaccination. We find that quantitative effectiveness of a strategy depends on whether effectiveness is assessed after the alpha, delta, or omicron wave. However, these differences in absolute benefit for the strategies do not change the ranking of their performance at preventing severe outcomes across vaccine availability assumptions.


Asunto(s)
Vacunas contra la COVID-19 , COVID-19 , SARS-CoV-2 , Humanos , COVID-19/prevención & control , COVID-19/epidemiología , Vacunas contra la COVID-19/administración & dosificación , SARS-CoV-2/inmunología , Florida/epidemiología , Vacunación/métodos , Vacunación/estadística & datos numéricos , Análisis de Sistemas , Vacunación Masiva/estadística & datos numéricos , Vacunación Masiva/métodos , Biología Computacional/métodos
4.
Emerg Infect Dis ; 30(2): 376-379, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38232709

RESUMEN

During May 2022-April 2023, dengue virus serotype 3 was identified among 601 travel-associated and 61 locally acquired dengue cases in Florida, USA. All 203 sequenced genomes belonged to the same genotype III lineage and revealed potential transmission chains in which most locally acquired cases occurred shortly after introduction, with little sustained transmission.


Asunto(s)
Virus del Dengue , Dengue , Humanos , Virus del Dengue/genética , Dengue/epidemiología , Florida/epidemiología , Viaje , Secuencia de Bases , Genotipo , Serogrupo , Filogenia
5.
Emerg Infect Dis ; 30(6): 1214-1217, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38662728

RESUMEN

During May-July 2023, a cluster of 7 patients at local hospitals in Florida, USA, received a diagnosis of Plasmodium vivax malaria. Whole-genome sequencing of the organism from 4 patients and phylogenetic analysis with worldwide representative P. vivax genomes indicated probable single parasite introduction from Central/South America.


Asunto(s)
Malaria Vivax , Filogenia , Plasmodium vivax , Humanos , Malaria Vivax/epidemiología , Malaria Vivax/parasitología , Malaria Vivax/diagnóstico , Florida/epidemiología , Plasmodium vivax/genética , Masculino , Secuenciación Completa del Genoma , Femenino , Adulto , Persona de Mediana Edad
6.
Emerg Infect Dis ; 30(4)2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38526187

RESUMEN

In 2022, concurrent outbreaks of hepatitis A, invasive meningococcal disease (IMD), and mpox were identified in Florida, USA, primarily among men who have sex with men. The hepatitis A outbreak (153 cases) was associated with hepatitis A virus genotype IA. The IMD outbreak (44 cases) was associated with Neisseria meningitidis serogroup C, sequence type 11, clonal complex 11. The mpox outbreak in Florida (2,845 cases) was part of a global epidemic. The hepatitis A and IMD outbreaks were concentrated in Central Florida and peaked during March--June, whereas mpox cases were more heavily concentrated in South Florida and had peak incidence in August. HIV infection was more common (52%) among mpox cases than among hepatitis A (21%) or IMD (34%) cases. Where feasible, vaccination against hepatitis A, meningococcal disease, and mpox should be encouraged among at-risk groups and offered along with program services that target those groups.


Asunto(s)
Infecciones por VIH , Hepatitis A , Infecciones Meningocócicas , Mpox , Minorías Sexuales y de Género , Masculino , Humanos , Hepatitis A/epidemiología , Florida/epidemiología , Homosexualidad Masculina , Brotes de Enfermedades , Infecciones Meningocócicas/epidemiología
7.
Gastroenterology ; 165(5): 1197-1205.e2, 2023 11.
Artículo en Inglés | MEDLINE | ID: mdl-37481117

RESUMEN

BACKGROUND & AIMS: We sought to estimate the incidence, prevalence, and racial-ethnic distribution of physician-diagnosed inflammatory bowel disease (IBD) in the United States. METHODS: The study used 4 administrative claims data sets: a 20% random sample of national fee-for-service Medicare data (2007 to 2017); Medicaid data from Florida, New York, Pennsylvania, Ohio, and California (1999 to 2012); and commercial health insurance data from Anthem beneficiaries (2006 to 2018) and Optum's deidentified Clinformatics Data Mart (2000 to 2017). We used validated combinations of medical diagnoses, diagnostic procedures, and prescription medications to identify incident and prevalent diagnoses. We computed pooled age-, sex-, and race/ethnicity-specific insurance-weighted estimates and pooled estimates standardized to 2018 United States Census estimates with 95% confidence intervals (CIs). RESULTS: The age- and sex-standardized incidence of IBD per 100,000 person-years was 10.9 (95% CI, 10.6-11.2). The incidence of IBD peaked in the third decade of life, decreased to a relatively stable level across the fourth to eighth decades, and declined further. The age-, sex- and insurance-standardized prevalence of IBD was 721 per 100,000 population (95% CI, 717-726). Extrapolated to the 2020 United States Census, an estimated 2.39 million Americans are diagnosed with IBD. The prevalence of IBD per 100,000 population was 812 (95% CI, 802-823) in White, 504 (95% CI, 482-526) in Black, 403 (95% CI, 373-433) in Asian, and 458 (95% CI, 440-476) in Hispanic Americans. CONCLUSIONS: IBD is diagnosed in >0.7% of Americans. The incidence peaks in early adulthood and then plateaus at a lower rate. The disease is less commonly diagnosed in Black, Asian, and Hispanic Americans.


Asunto(s)
Enfermedades Inflamatorias del Intestino , Medicare , Humanos , Estados Unidos/epidemiología , Anciano , Adulto , Prevalencia , Incidencia , Enfermedades Inflamatorias del Intestino/diagnóstico , Enfermedades Inflamatorias del Intestino/epidemiología , Florida
8.
BMC Plant Biol ; 24(1): 582, 2024 Jun 19.
Artículo en Inglés | MEDLINE | ID: mdl-38898415

RESUMEN

BACKGROUND: Crop-associated microorganisms play a crucial role in soil nutrient cycling, and crop growth, and health. Fine-scale patterns in soil microbial community diversity and composition are commonly regulated by plant species or genotype. Despite extensive reports in different crop or its cultivar effects on the microbial community, it is uncertain how rhizoma peanut (RP, Arachis glabrata Benth.), a perennial warm-season legume forage that is well-adapted in the southern USA, affects soil microbial community across different cultivars. RESULTS: This study explored the influence of seven different RP cultivars on the taxonomic composition, diversity, and functional groups of soil fungal communities through a field trial in Marianna, Florida, Southern USA, using next-generation sequencing technique. Our results showed that the taxonomic diversity and composition of the fungal community differed significantly across RP cultivars. Alpha diversity (Shannon, Simpson, and Pielou's evenness) was significantly higher in Ecoturf but lower in UF_Peace and Florigraze compared to other cultivars (p < 0.001). Phylogenetic diversity (Faith's PD) was lowest in Latitude compared to other cultivars (p < 0.0001). The dominant phyla were Ascomycota (13.34%), Mortierellomycota (3.82%), and Basidiomycota (2.99%), which were significantly greater in Florigraze, UF_Peace, and Ecoturf, respectively. The relative abundance of Neocosmospora was markedly high (21.45%) in UF_Tito and showed large variations across cultivars. The relative abundance of the dominant genera was significantly greater in Arbrook than in other cultivars. There were also significant differences in the co-occurrence network, showing different keystone taxa and more positive correlations than the negative correlations across cultivars. FUNGuild analysis showed that the relative abundance of functional guilds including pathogenic, saprotrophic, endophytic, mycorrhizal and parasitic fungi significantly differed among cultivars. Ecoturf had the greatest relative abundance of mycorrhizal fungal group (5.10 ± 0.44), whereas UF_Peace had the greatest relative abundance of endophytic (4.52 ± 0.56) and parasitic fungi (1.67 ± 0.30) compared to other cultivars. CONCLUSIONS: Our findings provide evidence of crop cultivar's effect in shaping fine-scale fungal community patterns in legume-based forage systems.


Asunto(s)
Arachis , Microbiología del Suelo , Arachis/microbiología , Arachis/genética , Micobioma , Hongos/fisiología , Hongos/genética , Florida , Rizoma/microbiología , Filogenia
9.
Mol Ecol ; 33(3): e17232, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38205900

RESUMEN

The importance and prevalence of recent ice-age and post-glacial speciation and species diversification during the Pleistocene across many organismal groups and physiographic settings are well established. However, the extent to which Pleistocene diversification can be attributed to climatic oscillations and their effects on distribution ranges and population structure remains debatable. In this study, we use morphologic, geographic and genetic (RADseq) data to document Pleistocene speciation and intra-specific diversification of the unifoliolate-leaved clade of Florida Lupinus, a small group of species largely restricted to inland and coastal sand ridges across the Florida peninsula and panhandle. Phylogenetic and demographic analyses alongside morphological and geographic evidence suggest that recent speciation and intra-specific divergence within this clade were driven by a combination of non-adaptive allopatric divergence caused by edaphic niche conservatism and opportunities presented by the emergence of new post-glacial sand ridge habitats. These results highlight the central importance of even modest geographic isolation and short periods of allopatric divergence following range expansion in the emergence of new taxa and add to the growing evidence that Pleistocene climatic oscillations may contribute to rapid diversification in a myriad of physiographic settings. Furthermore, our results shed new light on long-standing taxonomic debate surrounding the number of species in the Florida unifoliate Lupinus clade providing support for recognition of five species and a set of intra-specific variants. The important conservation implications for the narrowly restricted, highly endangered species Lupinus aridorum, which we show to be genetically distinct from its sister species Lupinus westianus, are discussed.


Asunto(s)
Lupinus , Filogenia , Florida , Arena , Ecosistema
10.
J Vasc Surg ; 80(2): 413-421.e3, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-38552885

RESUMEN

INTRODUCTION: Clinical practice guidelines have recommended an endovascular-first approach (ENDO) for the management of patients with chronic mesenteric ischemia (CMI), whereas an open mesenteric bypass (OMB) is proposed for subjects deemed to be poor ENDO candidates. However, the impact of a previous failed endovascular or open mesenteric reconstruction on a subsequent OMB is unknown. Accordingly, this study was designed to examine the results of a remedial OMB (R-OMB) after a failed ENDO or a primary OMB (P-OMB) for patients with recurrent CMI. METHODS: All patients who underwent an OMB from 2002 to 2022 at the University of Florida were reviewed. Outcomes after an R-OMB (ie, history of a failed ENDO or P-OMB) and P-OMB were compared. The primary end point was 30-day mortality, whereas secondary outcomes included complications, reintervention, and survival. The Kaplan-Meier methodology was used to estimate freedom from reintervention and all-cause mortality, whereas multivariable Cox proportional hazards modeling identified predictors of death. RESULTS: A total of 145 OMB procedures (R-OMB, n = 48 [33%]; P-OMB, n = 97 [67%]) were analyzed. A majority of R-OMB operations were performed for a failed stent (prior ENDO, n = 39 [81%]; prior OMB, n = 9 [19%]). R-OMB patients were generally younger (66 ± 9 years vs P-OMB, 69 ± 11 years; P = .09) and had lower incidence of smoking exposure (29% vs P-OMB, 48%; P = .07); however, there were no other differences in demographics or comorbidities. R-OMB was associated with less intraoperative transfusion (0.6 units vs P-OMB, 1.4 units; P = .01), but there were no differences in conduit choice or bypass configuration.The overall 30-day mortality and complication rates were 7% (n = 10/145) and 53% (n = 77/145), respectively, with no difference between the groups. Notably, R-OMB had decreased cardiac (6% vs P-OMB, 21%; P < .01) and bleeding complication rates (2% vs P-OMB, 15%; P = .01). The freedom from reintervention (1 and 5 years: R-OMB: 95% ± 4%, 83% ± 9% vs P-OMB: 97% ± 2%, 93% ± 5%, respectively; log-rank P = .21) and survival (1 and 5 years: R-OMB: 82% ± 6%, 68% ± 9% vs P-OMB: 84% ± 4%, 66% ± 7%; P = .91) were similar. Independent predictors of all-cause mortality included new postoperative hemodialysis requirement (hazard ratio [HR], 7.4, 95% confidence interval [CI], 3.1-17.3; P < .001), pulmonary (HR, 2.7, 95% CI, 1.4-5.3; P = .004) and cardiac (HR, 2.4, 95% CI, 1.1-5.1; P = .04) complications, and female sex (HR, 2.1, 95% CI, 1.03-4.8; P = .04). Notably, R-OMB was not a predictor of death. CONCLUSIONS: The perioperative and longer-term outcomes for a remedial OMB after a failed intraluminal stent or previous open bypass appear to be comparable to a P-OMB. These findings support the recently updated clinical practice guideline recommendations for an endovascular-first approach to treating recurrent CMI due to the significant perioperative complication risk of OMB. However, among the subset of patients deemed ineligible for endoluminal reconstruction after failed mesenteric revascularization, R-OMB results appear to be acceptable and highlight the utility of this strategy in selected patients.


Asunto(s)
Procedimientos Endovasculares , Isquemia Mesentérica , Insuficiencia del Tratamiento , Humanos , Masculino , Femenino , Isquemia Mesentérica/cirugía , Isquemia Mesentérica/mortalidad , Anciano , Procedimientos Endovasculares/efectos adversos , Procedimientos Endovasculares/mortalidad , Estudios Retrospectivos , Persona de Mediana Edad , Enfermedad Crónica , Factores de Riesgo , Factores de Tiempo , Medición de Riesgo , Reoperación , Oclusión Vascular Mesentérica/cirugía , Oclusión Vascular Mesentérica/mortalidad , Oclusión Vascular Mesentérica/diagnóstico por imagen , Oclusión Vascular Mesentérica/fisiopatología , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/mortalidad , Recurrencia , Implantación de Prótesis Vascular/efectos adversos , Implantación de Prótesis Vascular/mortalidad , Implantación de Prótesis Vascular/instrumentación , Florida , Resultado del Tratamiento
11.
Med Care ; 62(4): 256-262, 2024 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-38447010

RESUMEN

BACKGROUND: Using federal funds from the 2009 Health Information Technology for Economic and Clinical Health Act, the Centers for Medicare and Medicaid Services funded the 2011-2021 Medicaid electronic health record (EHR) incentive programs throughout the country. OBJECTIVE: Identify the market factors associated with Meaningful Use (MU) of EHRs after primary care providers (PCPs) enrolled in the Florida-EHR incentives program through Adopting, Improving, or Upgrading (AIU) an EHR technology. RESEARCH DESIGN: Retrospective cohort study using 2011-2018 program records for 8464 Medicaid providers. MAIN OUTCOME: MU achievement after first-year incentives. INDEPENDENT VARIABLES: The resource dependence theory and the information uncertainty perspective were used to generate key-independent variables, including the county's rurality, educational attainment, poverty, health maintenance organization penetration, and number of PCPs per capita. ANALYTICAL APPROACH: All the county rates were converted into 3 dichotomous measures corresponding to high, medium, and low terciles. Descriptive and bivariate statistics were calculated. A generalized hierarchical linear model was used because MU data were clustered at the county level (level 2) and measured at the practice level (level 1). RESULTS: Overall, 41.9% of Florida Medicaid providers achieved MU after receiving first-year incentives. Rurality was positively associated with MU ( P <0.001). Significant differences in MU achievements were obtained when we compared the "high" terciles with the "low" terciles for poverty rates ( P =0.002), health maintenance organization penetration rates ( P =0.02), and number of PCPs per capita ( P =0.01). These relationships were negative. CONCLUSIONS: Policy makers and health care managers should not ignore the contribution of market factors in EHR adoption.


Asunto(s)
Registros Electrónicos de Salud , Uso Significativo , Anciano , Humanos , Estados Unidos , Florida , Estudios Retrospectivos , Incertidumbre , Medicare , Atención Primaria de Salud
12.
Glob Chang Biol ; 30(6): e17382, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38923652

RESUMEN

Climate change poses an existential threat to coral reefs. A warmer and more acidic ocean weakens coral ecosystems and increases the intensity of hurricanes. The wind-wave-current interactions during a hurricane deeply change the ocean circulation patterns and hence potentially affect the dispersal of coral larvae and coral disease agents. Here, we modeled the impact of major hurricane Irma (September 2017) on coral larval and stony coral tissue loss disease (SCTLD) connectivity in Florida's Coral Reef. We coupled high-resolution coastal ocean circulation and wave models to simulate the dispersal of virtual coral larvae and disease agents between thousands of reefs. While being a brief event, our results suggest the passage of hurricane Irma strongly increased the probability of long-distance exchanges while reducing larval supply. It created new connections that could promote coral resilience but also probably accelerated the spread of SCTLD by about a month. As they become more intense, hurricanes' double-edged effect will become increasingly pronounced, contributing to increased variability in transport patterns and an accelerated rate of change within coral reef ecosystems.


Asunto(s)
Antozoos , Cambio Climático , Arrecifes de Coral , Tormentas Ciclónicas , Antozoos/fisiología , Animales , Florida , Larva/fisiología , Larva/crecimiento & desarrollo , Modelos Teóricos
13.
J Gen Intern Med ; 39(8): 1488-1491, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38499724

RESUMEN

COVID-19 vaccination is estimated to have averted more than 2.4 million deaths globally. In the United States (U.S.) alone, more than 120,000 deaths and 700,000 hospitalizations are reportedly estimated to have been prevented during the first six months of the vaccine campaign. Despite the overwhelming evidence regarding the safety and efficacy of vaccination, COVID-19 vaccine hesitancy continues to pose a significant threat to public health. Notably, an unexpected source of vaccine misinformation has been the Surgeon General of the State of Florida, Dr. Joseph Ladapo. While both a tenured faculty member of the University of Florida, College of Medicine and the Surgeon General of Florida, Dr. Ladapo has delivered official Florida Department of Health statements regarding COVID-19 vaccines that run contrary to those of the U.S. Centers for Disease Control and Prevention (CDC). While tenure is designed to protect those with contrarian views, we believe that the University has an ethical obligation to condemn misleading statements that put public health at risk. Herein, we explore the challenges of managing misinformation disseminated by someone who is simultaneously a tenured professor at a public, state-supported university, and a politically appointed public health official.


Asunto(s)
Vacunas contra la COVID-19 , COVID-19 , Comunicación , Humanos , Vacunas contra la COVID-19/efectos adversos , Florida/epidemiología , COVID-19/prevención & control , COVID-19/epidemiología , Vacilación a la Vacunación/psicología , Salud Pública , Comunicación en Salud/métodos
14.
Sex Transm Dis ; 51(6): 420-424, 2024 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-38372524

RESUMEN

BACKGROUND: Syphilis in Florida increased 49% from 2016 to 2020. Moreover, many serological tests for syphilis (STS) do not indicate current infection. Traditionally, syphilis surveillance systems used reactor grids, a method for prioritizing STS for investigation based on age, nontreponemal titer, and/or sex. In 2022, Florida's sexually transmitted disease surveillance system implemented an automated method for processing electronically reported STS (eSTS), expanding upon the reactor grid, using an individual's current STS (treponemal and nontreponemal), treatment history, and historical STS results aiming for more efficiently processing eSTS. We compared the new method of processing eSTS results against the reactor grid and determined potential value in time/cost savings of this change. METHODS: All eSTSs (n = 4144) from January 2, 2023 to January 8, 2023, were compared by how the logic-based method processed test results versus how the reactor grid processed test results. Each method was compared using measurements of accuracy (e.g., sensitivity/specificity). Time and cost savings in eSTS processing were estimated. RESULTS: Using the surveillance case definition as reference, the accuracy of the logic-based method for processing eSTS was nearly double (82.3% vs. 43.6%), had greater specificity (79.0% vs. 33.0%), and increased positive predictive value (47.5% vs. 22.0%) when compared with the reactor grid method. Sensitivity (99.5% vs. 98.6%) and negative predictive value (99.9% vs. 99.2%) remained similar. The logic-based method is estimated to save 7783 hours annually (~$185,000). CONCLUSIONS: Processing eSTS based on current and historical STS results is significantly more accurate than using a reactor grid. Moreover, these improvements save time and resources that can be better allocated to other program prevention activities.


Asunto(s)
Serodiagnóstico de la Sífilis , Sífilis , Humanos , Sífilis/diagnóstico , Sífilis/epidemiología , Florida/epidemiología , Serodiagnóstico de la Sífilis/métodos , Masculino , Femenino , Adulto , Sensibilidad y Especificidad , Persona de Mediana Edad , Treponema pallidum/inmunología , Treponema pallidum/aislamiento & purificación , Adulto Joven , Pruebas Serológicas , Adolescente
15.
Hum Genomics ; 17(1): 103, 2023 Nov 24.
Artículo en Inglés | MEDLINE | ID: mdl-37996878

RESUMEN

BACKGROUND: We analyzed the genetic causes of sensorineural hearing loss in racial and ethnic minorities of South Florida by reviewing demographic, phenotypic, and genetic data on 136 patients presenting to the Hereditary Hearing Loss Clinic at the University of Miami. In our retrospective chart review, of these patients, half self-identified as Hispanic, and the self-identified racial distribution was 115 (86%) White, 15 (11%) Black, and 6 (4%) Asian. Our analysis helps to reduce the gap in understanding the prevalence, impact, and genetic factors related to hearing loss among diverse populations. RESULTS: The causative gene variant or variants were identified in 54 (40%) patients, with no significant difference in the molecular diagnostic rate between Hispanics and Non-Hispanics. However, the total solve rate based on race was 40%, 47%, and 17% in Whites, Blacks, and Asians, respectively. In Non-Hispanic Whites, 16 different variants were identified in 13 genes, with GJB2 (32%), MYO7A (11%), and SLC26A4 (11%) being the most frequently implicated genes. In White Hispanics, 34 variants were identified in 20 genes, with GJB2 (22%), MYO7A (7%), and STRC-CATSPER2 (7%) being the most common. In the Non-Hispanic Black cohort, the gene distribution was evenly dispersed, with 11 variants occurring in 7 genes, and no variant was identified in 3 Hispanic Black probands. For the Asian cohort, only one gene variant was found out of 6 patients. CONCLUSION: This study demonstrates that the diagnostic rate of genetic studies in hearing loss varies according to race in South Florida, with more heterogeneity in racial and ethnic minorities. Further studies to delineate deafness gene variants in underrepresented populations, such as African Americans/Blacks from Hispanic groups, are much needed to reduce racial and ethnic disparities in genetic diagnoses.


Asunto(s)
Pérdida Auditiva Sensorineural , Humanos , Asiático/genética , Negro o Afroamericano/genética , ADN/genética , Florida/epidemiología , Pérdida Auditiva Sensorineural/epidemiología , Pérdida Auditiva Sensorineural/genética , Hispánicos o Latinos/genética , Péptidos y Proteínas de Señalización Intercelular , Estudios Retrospectivos , Blanco/genética
16.
Heredity (Edinb) ; 133(1): 1-10, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38802598

RESUMEN

When a population is isolated and composed of few individuals, genetic drift is the paramount evolutionary force and results in the loss of genetic diversity. Inbreeding might also occur, resulting in genomic regions that are identical by descent, manifesting as runs of homozygosity (ROHs) and the expression of recessive traits. Likewise, the genes underlying traits of interest can be revealed by comparing fixed SNPs and divergent haplotypes between affected and unaffected individuals. Populations of white-tailed deer (Odocoileus virginianus) on islands of Saint Pierre and Miquelon (SPM, France) have high incidences of leucism and malocclusions, both considered genetic defects; on the Florida Keys islands (USA) deer exhibit smaller body sizes, a polygenic trait. Here we aimed to reconstruct island demography and identify the genes associated with these traits in a pseudo case-control design. The two island populations showed reduced levels of genomic diversity and a build-up of deleterious mutations compared to mainland deer; there was also significant genome-wide divergence in Key deer. Key deer showed higher inbreeding levels, but not longer ROHs, consistent with long-term isolation. We identified multiple trait-related genes in ROHs including LAMTOR2 which has links to pigmentation changes, and NPVF which is linked to craniofacial abnormalities. Our mixed approach of linking ROHs, fixed SNPs and haplotypes matched a high number (~50) of a-priori body size candidate genes in Key deer. This suite of biomarkers and candidate genes should prove useful for population monitoring, noting all three phenotypes show patterns consistent with a complex trait and non-Mendelian inheritance.


Asunto(s)
Ciervos , Genética de Población , Endogamia , Islas , Polimorfismo de Nucleótido Simple , Animales , Ciervos/genética , Fenotipo , Homocigoto , Haplotipos , Florida , Variación Genética , Femenino , Masculino , Tamaño Corporal/genética
17.
Heredity (Edinb) ; 133(3): 137-148, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-38937604

RESUMEN

Population genetic analyses can provide useful data on species' regional connectivity and diversity which can inform conservation and restoration efforts. In this study, we quantified the genetic connectivity and diversity of Stephanocoenia intersepta corals from shallow (<30 m) to mesophotic (30-45 m) depths across Florida Keys National Marine Sanctuary. We generated single nucleotide polymorphism (SNP) markers to identify genetic structuring of shallow and mesophotic S. intersepta corals. We uncovered four distinct, cryptic genetic lineages with varying levels of depth-specificity. Shallow-specific lineages exhibited lower heterozygosity and higher inbreeding relative to depth-generalist lineages found across both shallow and mesophotic reefs. Estimation of recent genetic migration rates demonstrated that mesophotic sites are more prolific sources than shallow sites, particularly in the Lower Keys and Upper Keys. Additionally, we compared endosymbiotic Symbiodiniaceae among sampled S. intersepta using the ITS2 region and SYMPORTAL analysis framework, identifying symbionts from the genera Symbiodinium, Breviolum, and Cladocopium. Symbiodiniaceae varied significantly across depth and location and exhibited significant, but weak correlation with host lineage and genotype. Together, these data demonstrate that despite population genetic structuring across depth, some mesophotic populations may provide refuge for shallow populations moving forward and remain important contributors to the overall genetic diversity of this species throughout the region. This study highlights the importance of including mesophotic as well as shallow corals in population genetic assessments and informs future science-based management, conservation, and restoration efforts within Florida Keys National Marine Sanctuary.


Asunto(s)
Antozoos , Genética de Población , Polimorfismo de Nucleótido Simple , Animales , Antozoos/genética , Antozoos/clasificación , Florida , Dinoflagelados/genética , Dinoflagelados/clasificación , Variación Genética , Simbiosis/genética , Genotipo , Arrecifes de Coral
18.
Am J Public Health ; 114(S1): S74-S77, 2024 01.
Artículo en Inglés | MEDLINE | ID: mdl-38207267

RESUMEN

COVID-19 elucidated the urgency for health justice advocacy for Latinx farmworkers in Florida. While deemed essential, farmworkers' value was not reflected in policy responses to ensure their protection. The deficiency of culturally and linguistically relevant guidance from government agencies and state restrictions requiring identification for COVID-19 services were impediments to farmworkers accessing care. Equitable access was increased through a statewide promotor de salud network delivering health information and mobilizing vaccine partners to serve farmworkers at high risk of COVID-19 infection. (Am J Public Health. 2024;114(S1):S74-S77. https://doi.org/10.2105/AJPH.2023.307454).


Asunto(s)
COVID-19 , Humanos , Florida/epidemiología , Agricultores
19.
Am J Public Health ; 114(8): 789-793, 2024 08.
Artículo en Inglés | MEDLINE | ID: mdl-38870429

RESUMEN

Community engagement in research improves uptake of health interventions and health outcomes among marginalized populations. Researchers from school-based health centers serving marginalized communities in Miami, Florida fostered community engagement in COVID-19 research and health education through collaboration with school staff and student "champions" from June 2021 to June 2023. Evaluations completed by champions assessed acceptability, feasibility, and recommendations for improvements. Overall satisfaction was high among champions. We elaborate on lessons learned and future directions for this type of research collaboration. (Am J Public Health. 2024;114(8):789-793. https://doi.org/10.2105/AJPH.2024.307711).


Asunto(s)
COVID-19 , Humanos , COVID-19/prevención & control , COVID-19/epidemiología , Florida , Instituciones Académicas/organización & administración , Investigación Participativa Basada en la Comunidad , Participación de la Comunidad/métodos , SARS-CoV-2 , Servicios de Salud Escolar/organización & administración , Educación en Salud/organización & administración , Adolescente
20.
Cancer Control ; 31: 10732748241246958, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38623948

RESUMEN

OBJECTIVE: Identify predictors of overall survival (OS) after hypopharyngeal/laryngeal cancer in Florida. MATERIAL AND METHODS: We conducted a retrospective cohort study using data from the Florida Cancer Data System (FCDS) on patients diagnosed with hypopharyngeal or laryngeal cancer from 2010-2017. Primary outcome was OS. Hazard ratios (HRs) were estimated from univariable and multivariable Cox regression models for OS. Data was analyzed from November 1, 2022, to June 30, 2023. RESULTS: We analyzed 6771 patients, who were primarily male (81.2%), White non-Hispanic (WNH) (78.2%), publicly insured (70.1%), married (51.8%), and residents of urban counties (73.6%). Black patients were more likely to be younger at diagnosis (38.9%), single (43.4%), to have distant SEER stage disease (25.6%). Median OS were lowest among patients who were uninsured (34 months), with hypopharyngeal site disease (18 months), and a smoking history (current: 34 months, former: 46 months, no smoking: 63 months). Multivariable Cox regression analysis showed worse OS for single/unmarried vs married (HR 1.47 [95%CI: 1.36-1.59], P < .001), history of tobacco use (current: HR 1.62 [95%CI: 1.440-1.817], P < .001; former smokers: (HR 1.28 [95%CI: 1.139-1.437], P < .001) vs no history). Improved OS was observed among White Hispanics (WH) vs WNH (HR .73 [95%CI: .655-.817], P < .001) and women vs men (HR .88 [95%CI: .807-.954], P = .002). Geographical mapping showed that mortality rates were highest in census tracts with low income and education. CONCLUSION: Our findings suggest that sociodemographic and clinical factors impact OS from hypopharyngeal/laryngeal cancer in Florida and vary geographically within the state. These results will help guide future public health interventions.


Asunto(s)
Neoplasias Laríngeas , Humanos , Masculino , Femenino , Florida/epidemiología , Estudios Retrospectivos , Etnicidad , Modelos de Riesgos Proporcionales
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