Peripheral artery disease (PAD) affects millions of people worldwide, presenting with varying symptom severity, including chronic total occlusion of arteries, and occasionally, limb amputation. There are various interventions, such as atherectomy and the use of drug-coated balloons and stents, which have been developed to revascularize affected ischemic regions. However, each interventional approach must be individualized due to a patient's unique underlying conditions.
View Article and Find Full Text PDFResolving the timescale of human activity in the Palaeolithic Age is one of the most challenging problems in prehistoric archaeology. The duration and frequency of hunter-gatherer camps reflect key aspects of social life and human-environment interactions. However, the time dimension of Palaeolithic contexts is generally inaccurately reconstructed because of the limitations of dating techniques, the impact of disturbing agents on sedimentary deposits and the palimpsest effect.
View Article and Find Full Text PDFThe expansion of the world's merchant fleet poses a great threat to the ocean's biodiversity. Collisions between ships and marine megafauna can have population-level consequences for vulnerable species. The Endangered whale shark (Rhincodon typus) shares a circumglobal distribution with this expanding fleet and tracking of movement pathways has shown that large vessel collisions pose a major threat to the species.
View Article and Find Full Text PDFIntroduction: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic commonly called COVID-19 brought new changes to healthcare delivery in the US. The purpose of this study is to identify the impact of COVID-19 on the delivery of acute surgical care for patients at a Level 1 trauma center during the lockdown period of the pandemic from March 13-May 1 2020.
Methods: All trauma admission to the University Medical Center Level 1 Trauma Center from March 13 to May 13, 2020, were retrospectively abstracted and compared to the same period during 2019.
Childs Nerv Syst
September 2023
Penetrating brain injury (PBI) is a subtype of traumatic brain injury (TBI) that has been steadily increasing in prevalence and causing significant mortality in trauma patients. In an emergent setting, it is important to determine the mechanism of injury and decide whether a PBI or a blunt TBI has occurred in order to guide diagnostic imaging and subsequent treatment. In cases where a PBI has been likely or has occurred, it is important to initiate treatment expeditiously as rapid interventions have been shown to lead to better outcomes.
View Article and Find Full Text PDFSystemic lupus erythematosus (SLE) is an autoimmune disease with varying dermatological findings. We review a unique presentation of SLE with a literature review. A previously healthy early adolescent female presented with painful, oral mucosal bullae filled with sanguineous fluid.
View Article and Find Full Text PDFProc (Bayl Univ Med Cent)
September 2022
Pediatric opsoclonus-myoclonus and ataxia syndrome (OMAS) is a neurologic disorder characterized by disturbances in eye movement, muscle jerks, ataxia, sleep, and mood. In approximately 50% of cases, it is a paraneoplastic syndrome associated with a neuroblastoma. In the remaining cases, it is believed that the tumor is occult, has involuted, or there is a preceding immune-stimulating event.
View Article and Find Full Text PDFTesting Neanderthal behavioural hypotheses requires a spatial-temporal resolution to the level of a human single occupation episode. Yet, most of the behavioural data on Neanderthals has been obtained from coarsely dated, time-averaged contexts affected by the archaeological palimpsest effect and a diversity of postdepositional processes. This implies that time-resolved Neanderthal behaviour remains largely unknown.
View Article and Find Full Text PDFMedian arcuate ligament syndrome (MALS) is a rare constellation of neurogenic gastrointestinal (GI) symptoms resulting from compression of the celiac trunk and celiac plexus by the median arcuate ligament. MALS is characterized by nonspecific symptoms including nausea, vomiting, diarrhea, bloating, unintentional weight loss due to food aversion, and postprandial epigastric abdominal pain. We present a case of atypical, chronic MALS that confounded clinicians for over a decade and led to various misdiagnoses, including early-onset Parkinson's disease.
View Article and Find Full Text PDFBackground: Extracellular vesicles (EVs) are released by nearly every cell type and have attracted much attention for their ability to transfer protein and diverse RNA species from donor to recipient cells. Much attention has been given so far to the features of EV short RNAs such as miRNAs. However, while the presence of mRNA and long noncoding RNA (lncRNA) transcripts in EVs has also been reported by multiple different groups, the properties and function of these longer transcripts have been less thoroughly explored than EV miRNA.
View Article and Find Full Text PDFViral infections are known to hijack the transcription and translation of the host cell. However, the extent to which viral proteins coordinate these perturbations remains unclear. Here we used a model system, the human T-cell leukemia virus type 1 (HTLV-1), and systematically analyzed the transcriptome and interactome of key effectors oncoviral proteins Tax and HBZ.
View Article and Find Full Text PDFPurpose: The negative correlation between BPH-size and incidence of prostate cancer (PCa) is well-documented in the literature, however the exact mechanism is not well-understood. The present study uses histo-anatomical imaging to study prostate volume in correlation to prostate capsule thickness, and glandular epithelial cell density within the peripheral zone (PZ).
Materials And Methods: Specimens were selected from radical prostatectomies ranging from 20 to 160 mL based on ease of anatomical reconstruction by the slides.
ERG family proteins (ERG, FLI1 and FEV) are a subfamily of ETS transcription factors with key roles in physiology and development. In Ewing sarcoma, the oncogenic fusion protein EWS-FLI1 regulates both transcription and alternative splicing of pre-messenger RNAs. However, whether wild-type ERG family proteins might regulate splicing is unknown.
View Article and Find Full Text PDFIntroduction: The inverse relationship between benign prostate hypertrophy and incidence/severity of prostate cancer is well documented in the clinical literature. However, this phenomenon is not well understood. The purpose of this review is to offer an update in the evolving hypothesis of how benign prostate hypertrophy may be protective in prostate cancer.
View Article and Find Full Text PDFA comprehensive view of our evolutionary history cannot ignore the ancestral features of our gut microbiota. To provide some glimpse into the past, we searched for human gut microbiome components in ancient DNA from 14 archeological sediments spanning four stratigraphic units of El Salt Middle Paleolithic site (Spain), including layers of unit X, which has yielded well-preserved Neanderthal occupation deposits dating around 50 kya. According to our findings, bacterial genera belonging to families known to be part of the modern human gut microbiome are abundantly represented only across unit X samples, showing that well-known beneficial gut commensals, such as Blautia, Dorea, Roseburia, Ruminococcus, Faecalibacterium and Bifidobacterium already populated the intestinal microbiome of Homo since as far back as the last common ancestor between humans and Neanderthals.
View Article and Find Full Text PDFOne of the main obstacles to integrating individuals with severe mental disorders into society today is the stigma directed at them. Although breakthroughs in treatment have been made in recent years, many professionals continue to admit that they do not possess enough training to combat this problem. Considering this situation, the present study analyzes the existing stigma among University Education students in three countries with different education systems and cultures, namely Spain, Russia, and Canada.
View Article and Find Full Text PDFThere is a relatively low amount of Middle Paleolithic sites in Europe dating to MIS 4. Of the few that exist, several of them lack evidence for anthropogenic fire, raising the question of how this period of global cooling may have affected the Neanderthal population. The Iberian Peninsula is a key area to explore this issue, as it has been considered as a glacial refugium during critical periods of the Neanderthal timeline and might therefore yield archaeological contexts in which we can explore possible changes in the behaviour and settlement patterns of Neanderthal groups during MIS 4.
View Article and Find Full Text PDFPLoS One
December 2019
Middle Paleolithic lithic and faunal assemblages throughout Eurasia reflect short-term Neanderthal occupations, which suggest high group mobility. However, the timing of these short-term occupations, a key factor to assess group mobility and territorial range, remains unresolved. Anthropogenic combustion structures are prominent in the Middle Paleolithic record and conceal information on the timing and intensity and natural setting of their associated human occupations.
View Article and Find Full Text PDFOmega-3 fatty acids (n-3 FAs) are proposed to have many beneficial effects on human health. However, the mechanisms underlying their potential cancer preventative effects are unclear. G protein-coupled receptors (GPCRs) of the free fatty acid receptor (FFAR) family, FFA1/GPR40 and FFA4/GPR120, specifically bind n-3 FAs as agonist ligands.
View Article and Find Full Text PDFThe timing of Neanderthal disappearance and the extent to which they overlapped with the earliest incoming anatomically modern humans (AMHs) in Eurasia are key questions in palaeoanthropology. Determining the spatiotemporal relationship between the two populations is crucial if we are to understand the processes, timing and reasons leading to the disappearance of Neanderthals and the likelihood of cultural and genetic exchange. Serious technical challenges, however, have hindered reliable dating of the period, as the radiocarbon method reaches its limit at ∼50,000 years ago.
View Article and Find Full Text PDFWe present a bioanthropological study of dental remains recovered from El Salt Middle Palaeolithic site (Alcoy, Alicante, Spain). The dental remains were found in a sedimentary layer representing a calm depositional environment within a freshwater spring system. The corresponding archaeological context comprises a Middle Palaeolithic faunal and lithic assemblage that represents the last documented evidence of human occupation at the site, dating to between 47.
View Article and Find Full Text PDFThe timing of the end of the Middle Palaeolithic and the disappearance of Neanderthals continue to be strongly debated. Current chronometric evidence from different European sites pushes the end of the Middle Palaeolithic throughout the continent back to around 42 thousand years ago (ka). This has called into question some of the dates from the Iberian Peninsula, previously considered as one of the last refuge zones of the Neanderthals.
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