Citations

Introduction: Genomic variations among individuals can greatly affect their responses to different medications. Pharmacogenomics is the area of study that aims to understand the relationship between these various genetic variations and subsequent drug responses. Many medications used to optimize cardiovascular health are affected by these genetic variants and these relationships can subsequently impact dosing strategies in patients. Objective: This study aims to review the current literature on the clinical applications ofpharmacogenomics for commonly used cardiovascular medications such as Warfarin, Clopidogrel, Statins, Beta Blockers, and ACE-I/ARBs. Methods: Databases like PubMed were accessed to gather background information on pharmacogenomics and to collect data on relationships between genetic variants and subsequent drug response. Information on clinical applications and guidelines was obtained by accessing the CPIC and DPWG databases. Results: This article describes the most up-to-date data on pharmacogenomics relating to commonly used cardiovascular medications. It also discusses the clinical application of pharmacogenomic data as it pertains to medication selection/dosing by detailing current guidelines published by organizations such as the Clinical Pharmacogenetics Implementation Consortium and the Dutch Pharmacogenetics Working Group. Conclusion: In conclusion, this paper will help medical providers not only better understand pharmacogenomics but also apply it in their day-to-day practice. Clinical guidelines relating to the application of pharmacogenomic data were discussed both in text and graphical format, allowing providers to confidently select medications and adjust doses for common cardiovascular medications so that patients receive the maximum therapeutic benefit with minimal toxicity.

Abstract Objective Childhood SjD (cSjD) is a rare disease. There are no widely accepted diagnostic or classification criteria for cSjD. To fill this gap, members from the CARRA Sjögren Disease Workgroup and the International Childhood Sjögren Disease Workgroup created a clinical diagnostic algorithm. This study evaluated the accuracy of this algorithm using an international cohort of participants with clinician-diagnosed cSjD. Methods First, experts developed a cSjD diagnostic algorithm through a series of virtual workgroup meetings. Using the adult classification criteria as a framework, experts modified the algorithm through opinion and literature review. The group discussed and finalized each algorithm step by achieving majority rule. Then, R statistical software was used to evaluate each participant’s disease status in the diagnostic algorithm via an international cohort of 300 cSjD cases. Results The diagnostic algorithm has three distinct clinical pathways representing the key clinical presentation in cSjD: parotitis, extraglandular manifestations, and sicca symptoms. The algorithm showed an overall sensitivity of 75% in the population that had enough data to complete at least one pathway of the algorithm (n = 100 filtered out of 300). The parotitis (70%) and sicca pathways (82%) had the highest sensitivity, and the extraglandular pathway (52%) had the lowest. Conclusion As cSjD lacks a diagnostic strategy, this algorithm provides a clinical tool for evaluating children with cSjD-like symptoms. It performed well in an international cohort of cSjD, supporting the integration of this algorithm into clinical practice; however, its utility may be limited by low utilization of diagnostic testing in this population.

Abstract Purpose The prevalence and phenotype of capillaroscopic abnormalities in patients with autonomic nervous system dysfunction has not been investigated. Multiorgan involvement in dysautonomia entails abnormal vasoreactivity. We aim to corelate the diagnosis of autonomic dysfunction with certain clinical manifestations that may provide prognostic or diagnostic information using a noninvasive technique: nailfold video capillaroscopy (NVC). Methods Patients with autonomic nervous system dysfunction were recruited from rheumatology and neurology clinic with voluntary NVC procedure from 1/31/24 to 10/1/24 and a comparison with normal controls was done. Additional information recorded includes demographics, diagnosis of type of autonomic dysfunction with autonomic testing including but not limited to reflex screen, sweat test, Valsalva maneuver, nerve fiber density, electromyography (EMG), serology, history of autoimmune disease. NVC was performed on a total of 27 patients. The study was approved by the Mayo Clinic Institutional Review Board. Results Autonomic dysfunction group consisted of small fiber neuropathy (37%), orthostatic hypotension (48%), autonomic neuropathy (30%), limited autonomic neuropathy (7%), POTS (7%) and connective tissue disease (7%) amongst other types. Patient with autonomic dysfunction had statistically significant increased microhemorrhages, dilated capillaries and ramifications compared to controls. There was statistically significant correlation of age with capillary ramifications and BMI with capillary density and dilated capillaries. Conclusion Autonomic dysfunction was associated with statistically significant microvascular abnormalities compared to normal controls with a distinct NVC pattern. There was statistically significant correlation of age and BMI with microvascular abnormalities. We demonstrate diagnostic potential of NVC in autonomic dysfunction and advocate for further study of capillary structure in autonomic dysfunction.

AbstractObjectiveAlzheimer's disease (AD) often coexists with cerebrovascular diseases. However, the impact of cerebrovascular diseases such as stroke on AD pathology remains poorly understood.MethodsThis study examines the correlation between cerebrovascular diseases and AD pathology. The research was carried out using clinical and neuropathological data collected from the National Alzheimer's Coordinating Center (NACC) database and an animal model in which bilateral common carotid artery stenosis surgery was performed, following the injection of tau seeds into the brains of wild‐type mice.ResultsAnalysis of the NACC database suggests that clinical stroke history and lacunar infarcts are associated with lower neurofibrillary tangle pathology. An animal model demonstrates that chronic cerebral hypoperfusion reduces tau pathology, which was observed in not only neurons but also astrocytes, microglia, and oligodendrocytes. Furthermore, we found that astrocytes and microglia were activated in response to tau pathology and chronic cerebral hypoperfusion. Additionally, cerebral hypoperfusion increased a lysosomal enzyme, cathepsin D.InterpretationThese data together indicate that cerebral hypoperfusion reduces tau accumulation likely through an increase in microglial phagocytic activity towards tau and an elevation in degradation through cathepsin D. This study contributes to understanding the relationship between tau pathology and cerebrovascular diseases in older people with multimorbidity.

The marine benthic zone is host to a vast array of species that are vital to both ecosystem function and biodiversity conservation. Understanding these underwater communities is essential for ecological research, conservation efforts, and sustainable resource management. However, traditional surveying techniques face significant challenges in the underwater environment. This research extends strategies for underwater biological monitoring by offering a reliable and useful method for detecting benthos in marine benthic zones. Ultimately, by promoting conservation initiatives and sustainable management techniques in marine settings, the proposed Single Shot Detector (SSD) based system may speed up underwater surveys, make data collection easier, and further our knowledge of benthic ecosystems.

Bioprosthetic aortic valve degeneration (BAVD) is a significant clinical concern following both transcatheter aortic valve replacement (TAVR) and surgical aortic valve replacement (SAVR). The increasing use of bioprosthetic valves in aortic valve replacement in younger patients and the subsequent rise in cases of BAVD are acknowledged in this review which aims to provide a comprehensive overview of the incidence, diagnosis, predictors, and management of BAVD. Based on a thorough review of the existing literature, this article provides an updated overview of the biological mechanisms underlying valve degeneration, including calcification, structural deterioration, and inflammatory processes and addresses the various risk factors contributing to BAVD, such as patient demographics, comorbidities, and procedural variables. The difficulties in early detection and accurate diagnosis of BAVD are discussed with an emphasis on the need for improved imaging techniques. The incidence and progression of BAVD in patients undergoing TAVR versus SAVR are compared, providing insights into the differences and similarities between the two procedures and procedural impacts on valve longevity. The current strategies for managing BAVD, including re-intervention options of redo surgery and valve-in-valve TAVR, along with emerging treatments are discussed. The controversies in the existing literature are highlighted to offer directions for future investigations to enhance the understanding and management of BAVD.

Importance Vaginal fibroblast function is altered in people with pelvic organ prolapse. Thus, it is important to study vaginal fibroblasts to better understand the pathophysiology of prolapse. Objective This study aimed to compare 3 culturing methods of primary vaginal fibroblasts. Study Design This was an in vitro study. Patients who were undergoing surgery for vaginal prolapse were recruited. Excess vaginal epithelial tissue that would have otherwise been discarded was collected. The vaginal fibroblasts from each participant were cultured via (1) 3-hour digest, (2) coverslip, and (3) gelatin-coat methods. Differences in the efficiency of cell isolation, expression of known fibroblast-associated genes, and cellular function were compared between the 3 methods using one-way analysis of variance and Tukey test for post hoc pairwise comparisons ( P < 0.05). Results Five patients with pelvic organ prolapse were recruited. Fibroblasts cultured via the 3-hour digest method became confluent within 3–5 days in a 100-mm dish compared to 2–3 weeks in a 6-well dish for the coverslip and gelatin-coat methods. Cells from all culture methods expressed similar amounts of vimentin and α smooth muscle actin. There were no significant differences in morphology; gene expression levels of MMP1 , MMP2 , ACTA2 , COL1A1 , COL3A1 , and LOXL1 on qPCR; cell viability; proliferation; and migration between the 3 culturing methods. Conclusion Culturing primary vaginal fibroblasts via the 3-hour digest, coverslip, and gelatin-coat methods similarly resulted in reliable primary vaginal fibroblast growth and function.