5,980 results match your criteria: "Nova Southeastern University[Affiliation]"

Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by amyloid-beta (Aβ) plaques, neurofibrillary tangles, and cognitive decline. Given the shared neuropathophysiological traits between AD and type 2 diabetes mellitus (T2DM), repurposing antidiabetic medications, such as dipeptidyl peptidase 4 inhibitors (DPP4i), has emerged as a promising therapeutic strategy. This review comprehensively evaluates the preclinical and clinical evidence supporting the potential of DPP4i in preventing or treating AD by modulating Aβ and tau pathology, improving cognitive function, reducing neuroinflammation and oxidative stress, and promoting neuronal survival.

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This review aims to address the impact of digital health interventions (DHIs) on chronic pain management, specifically, mHealth, eHealth, wearable devices, virtual reality (VR), and artificial intelligence. The following study identifies and assesses DHIs' efficacy in specific chronic pain conditions and then extrapolates improved outcomes and patient groups that benefit from their use. Using a systematic methodology, this review synthesizes findings that could improve knowledge for patients and practitioners in chronic pain management while also addressing gaps in understanding the impact of DHIs.

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Microglia regulate motor neuron plasticity via reciprocal fractalkine and adenosine signaling.

Nat Commun

November 2024

Breathing Research and Therapeutics Center, Department of Physical Therapy and McKnight Brain Institute, University of Florida, Gainesville, FL, USA.

We report an important role for microglia in regulating neuroplasticity within phrenic motor neurons. Brief episodes of low oxygen (acute intermittent hypoxia; AIH) elicit a form of respiratory motor plasticity known as phrenic long-term facilitation (pLTF) that is regulated by the balance of competing serotonin vs adenosine-initiated cellular mechanisms. Serotonin arises from brainstem raphe neurons, but the source of adenosine is unknown.

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We have observed two starkly contradictory notions regarding the sympathetic influence on the salivary outflow in discussions with our students. Most of them believe that sympathetic nerves decrease salivation and are antagonistic to parasympathetic nerves. Some students, however, show awareness of the cooperative stimulatory action of both types of autonomic fibers.

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Sexual and gender minority youth (SGMY) are vulnerable to acquiring HIV and need HIV prevention and health services, but may have competing needs. A prior analysis found that PrEP use reports increased in a combination intervention study arm with coaching, peer support, and automated text-messages. This paper examines ancillary support and healthcare services utilization as secondary intervention objectives.

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Desmoplastic melanoma (DM) is an uncommon subtype of cutaneous melanoma that presents distinct diagnostic and treatment challenges. This review aims to explore the role of adjuvant radiation therapy (RT) in managing DM. To evaluate this question, we reviewed relevant published reports on DM and its treatment and synthesized these findings.

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Article Synopsis
  • The study examined the impact of lower limb lean muscle mass (LMM) differences on countermovement jump (CMJ) performance in 74 American football players training for the NFL draft.
  • Researchers assessed body composition and conducted CMJs to evaluate jump height and kinetic asymmetry using force plates.
  • Although significant LMM differences were found between legs, no strong links were identified between LMM asymmetry and CMJ performance metrics or kinetic asymmetry.
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Mitochondrial dysfunction and associated inflammatory signaling are pivotal in both aging and in Alzheimer's disease (AD). Studies have also shown that hypothalamic function is affected in AD. The hypothalamus may be a target for AD drugs given that mitochondrial alterations are observed in the hypothalamus.

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Minimally Invasive Image-Guided Percutaneous Irreversible Electroporation of Adrenal Metastases.

Cardiovasc Intervent Radiol

November 2024

Department of Interventional Oncology, Miami Cancer Institute, Baptist Health South Florida, Miami, FL, USA.

Purpose: A single-center retrospective study was performed to evaluate the safety and efficacy of minimally invasive irreversible electroporation (IRE) to treat metastatic adrenal tumors.

Materials And Methods: This single-center study, approved by the Institutional Review Board, retrospectively analyzed six patients who underwent image-guided percutaneous IRE for adrenal metastases. Pre-procedural imaging included CT, MRI and/or F-FDG PET-CT scans.

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  • The study investigates ancient microbiomes in archaeological dental calculus from 102 individuals across 10 Pacific islands and one island in Southeast Asia over ~3000 years, revealing insights into human migration patterns.
  • DNA from oral microbiomes in dental calculus is better preserved than human DNA from bones, allowing for a clearer analysis of historical microbial communities.
  • The oral microbial communities from the Pacific and Island Southeast Asia are distinct from those in Europe, Africa, and Asia, indicating that geographic factors influence the composition of these ancient microbiomes.
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Acquired Type 1 Brugada Syndrome Induced by Chronic High-Dose Kratom Use.

Cureus

October 2024

Department of Emergency Medicine, Memorial Healthcare System, Hollywood, USA.

Article Synopsis
  • Kratom, a natural substance used for chronic pain and opioid withdrawal, has been linked to serious heart conditions, particularly Brugada syndrome.
  • A 36-year-old male with a history of substance abuse and underlying health conditions experienced chest pain, lightheadedness, and palpitations after using high doses of kratom for three years.
  • His case revealed a type 1 Brugada pattern on an EKG, leading to the diagnosis of Brugada syndrome as a result of chronic kratom use, emphasizing the need for medical professionals to be aware of the potential severe cardiac risks associated with kratom.
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Role of transglutaminase 2 in promoting biglycan synthesis in idiopathic gingival fibromatosis.

BMC Oral Health

November 2024

Department of Periodontal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.

Background: This study aimed to elucidate the pathogenesis of idiopathic gingival fibromatosis (IGF).

Methods: Human gingival fibroblasts (hGFs) were isolated from patients with IGF and periodontitis. Differential gene expression in the hGFs was analyzed using RNA sequencing.

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Background The relationship between overweight obesity status and hypertension is well-known throughout the world, especially in low socioeconomic communities and developing countries. Both high blood pressure and obesity are preventable risk factors for noncommunicable disease, death, and disability. The prevalence of obesity-overweight status in India is increasing faster than the global average, and diabetes in Southeast Asia has surged over the past few decades.

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Article Synopsis
  • Vaginal infections, particularly bacterial vaginosis (BV), arise from a decrease in beneficial lactobacilli and an increase in harmful bacteria, with various risk factors identified including smoking, ethnicity, and socioeconomic status.
  • A scoping review analyzed 438 articles and included 31, finding that sexually active women engaging in unprotected or frequent vaginal sexual activities had higher instances of BV, with education level and socioeconomic status also influencing risk.
  • The study suggests the need for an updated screening tool for clinicians to assess a patient's risk of BV, particularly in high-risk groups like pregnant or immunocompromised women.
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This is a case of a spinal epidural abscess (SEA) in a 41-year-old male with a history of chronic alcohol abuse, who initially presented with severe diabetic ketoacidosis (DKA). Following stabilization of DKA, the patient developed persistent gram-positive bacteremia, which progressed to an epidural abscess extending from the cervical to the thoracic spine with potential intracranial extension. Despite the complexity of the case, prompt diagnosis via magnetic resonance imaging (MRI) and timely neurosurgical intervention for drainage, combined with targeted antibiotic therapy, led to a favorable outcome.

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Article Synopsis
  • Ring-enhancing lesions are commonly found in patients with weakened immune systems, often due to conditions like HIV/AIDS or cancer, and can result from infections, tumors, or vascular issues.
  • A South American male in his 30s, with no previous medical history, arrived at the emergency department after a seizure, leading to brain imaging that revealed a solitary ring-enhancing lesion.
  • Despite thorough testing and consultations, including negative results for major infections, it was determined that the lesion stemmed from a prior infection, making this case significant given his lack of known risk factors.
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Background: There is a high incidence of HIV among young sexual minority men in Florida. Many are unaware of their status due to low testing rates. Counseling, testing, and referral (CTR) services are essential for diagnosis and prevention of HIV and are integral to the Ending the HIV Epidemic (EHE) strategic plan.

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Metabolomic profiles of stony coral species from the Dry Tortugas National Park display inter- and intraspecies variation.

mSystems

December 2024

School of Chemistry and Biochemistry, Engineered Biosystems Building, Center for Microbial Dynamics and Infection, Georgia Institute of Technology, Atlanta, Georgia, USA.

Unlabelled: Coral reefs are experiencing unprecedented loss in coral cover due to increased incidence of disease and bleaching events. Thus, understanding mechanisms of disease susceptibility and resilience, which vary by species, is important. In this regard, untargeted metabolomics serves as an important hypothesis-building tool enabling the delineation of molecular factors underlying disease susceptibility or resilience.

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Gordon syndrome (GS), also known as distal arthrogryposis type 3, is a rare congenital disorder characterized by debilitating multisystem defects and for which there is currently no cure. In the absence of a definitive treatment, multimodal symptomatic approaches are employed to enhance quality of life. The case presented involves a 40-year-old female with GS who exhibited multiple chronic, widespread, and severe musculoskeletal ailments that limited her daily functional capacity.

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The ethical responsibilities of healthcare professionals amidst geopolitical conflict, particularly regarding their impact on patient care and healthcare delivery, present a significant challenge, especially during current strife. With the rise of national and international discord and debate, and the close relationship between war and healthcare, healthcare organizations are increasingly pressured to comment, which can reflect societal engagement, but also pose demands for maintaining professionalism. This article discusses the need for healthcare practitioners to navigate their roles in advocacy without compromising patient care, emphasizing the importance of self-reflection, adherence to ethical standards, and effective communication.

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Article Synopsis
  • Harmful algal blooms caused by cyanobacteria pose risks to ecosystems, the economy, and human health, with a focus on how nutrient introduction affects gene expression.
  • Through mesocosm experiments, researchers discovered that adding nitrogen (specifically urea) resulted in longer-lasting blooms by enhancing key biological processes like photosynthesis and toxin production.
  • The study highlights potential biomarkers for bloom longevity and sheds light on the mechanisms that allow cyanobacteria to thrive, which could aid in developing strategies to manage and mitigate these harmful blooms.
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The purpose of this study was to evaluate the effects of a mobile app designed to improve chronic disease self-management in patients 40 years and older with low health literacy and who had at least one chronic health condition, and to assess the impact of delivering information at different levels of reading difficulty. A randomized controlled trial was completed at two sites. Individuals aged 40 years and older screened for low health literacy who had at least one chronic health condition were randomly assigned to a tailored information multimedia app with text at one of three grade levels.

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