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Background: Racial minorities are more likely to develop type 2 diabetes and experience associated microvascular complications. Non-Hispanic Blacks and Hispanics initially present with more severe diabetic foot ulcers (DFUs) and peripheral artery disease (PAD), with an associated 10-fold increase in risk for lower extremity amputation within the first year after diagnosis. This study was designed to determine if race is associated with a failure to refer to specialists for DFU treatment, and the severity of DFU at the time of initial presentation. Methods: Patients were identified from the medical record based on a diagnosis related to diabetic foot complications between January 1, 2018, and June 1, 2023, in the family medicine, endocrinology, orthopaedic, or emergency clinics at a Midwest Academic Hospital serving rural and urban populations. Patients self-reported race, demographics, severity of ulcer based on Wagner ulcer scale at time of referral, eventual amputation status, and measures of social determinants of health including the national Area Deprivation Index (ADI) and Rural-Urban Commuting Area (RUCA) codes were manually extracted and analyzed for correlations with referral status. Results: A total of 597 patients were eligible for inclusion. Race was not associated with lower referral rates (P >.99) or source of referral (P =.58) to specialty clinic and ulcer severity at initial examination (P =.34). Patients who initially presented to the emergency department had more severe ulcers (P =.016), and higher severity was significantly associated with lower limb amputation vs mild ulcers (odds ratio = 38.8, P =.02). No significant differences in referral source or severity of ulcer at presentation were seen for sex, age, marital status, insurance type, rural status, ADI, time from referral to appointment, or eventual amputation. Conclusion: In this study, we found that patient race was not associated with severity of DFU at presentation or subsequent referral to a Midwest academic specialty orthopaedic clinic for care. Level of Evidence: Level III, retrospective review. [ABSTRACT FROM AUTHOR]

Nucleic acids can undergo conformational changes upon binding small molecules. These conformational changes can be exploited to develop new therapeutic strategies through control of gene expression or triggering of cellular responses and can also be used to develop sensors for small molecules such as neurotransmitters. Many analytical approaches can detect dynamic conformational change of nucleic acids, but they need labeling, are expensive, and have limited time resolution. The nanopore approach can provide a conformational snapshot for each nucleic acid molecule detected, but has not been reported to detect dynamic nucleic acid conformational change in response to small-molecule binding. Here we demonstrate a modular, label-free, nucleic acid-docked nanopore capable of revealing time-resolved, small molecule-induced, single nucleic acid molecule conformational transitions with millisecond resolution. By using the dopamine-, serotonin-, and theophylline-binding aptamers as testbeds, we found that these nucleic acids scaffolds can be noncovalently docked inside the MspA protein pore by a cluster of site-specific charged residues. This docking mechanism enables the ion current through the pore to characteristically vary as the aptamer undergoes conformational changes, resulting in a sequence of current fluctuations that report binding and release of single ligand molecules from the aptamer. This nanopore tool can quantify specific ligands such as neurotransmitters, elucidate nucleic acid-ligand interactions, and pinpoint the nucleic acid motifs for ligand binding, showing the potential for small molecule biosensing, drug discovery assayed via RNA and DNA conformational changes, and the design of artificial riboswitch effectors in synthetic biology. [ABSTRACT FROM AUTHOR]

The article discusses the effectiveness of the JYNNEOS vaccine in preventing monkeypox (mpox) among gay, bisexual, and other men who have sex with men (MSM) and transgender individuals. Topics discussed include the approval of the JYNNEOS vaccine by the Food and Drug Administration (FDA) for the prevention of smallpox and monkeypox, the results of a matched case-control study conducted in 12 U.S. jurisdictions to evaluate the vaccine's effectiveness against monkeypox.

The article looks into the University of Utah Native American Summer Research Internship tackling the role of community engagement in increasing diversity of the biomedical workforce. The authors talk about a number of cultural adaptations in the NARI summer programs to promote trust, recruitment of students, and retention in scientific disciplines. Also tackled are the student recruitment, selection and enrollment to the program.