Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a rare and aggressive T-cell lymphoma that primarily affects the small intestine. Our case highlights a 60-year-old woman who initially presented with dyspnea, cough, and hemoptysis, followed by gastrointestinal symptoms during hospitalization. Imaging revealed cavitary lung masses, and biopsies confirmed MEITL with a TCR-delta+, CD8+, CD56+, and CD103+ immunophenotype.
View Article and Find Full Text PDFMicroPubl Biol
January 2025
The centrosome is a conserved characteristic of eukaryotic and human cells but is highly specialized in reproductive cells. The spermatozoan centrosome includes a slightly modified proximal centriole, an atypical distal centriole, and specialized pericentriolar material, including striated columns and capitellum. We investigated the localization of canonical centriolar proteins CEP44 and CCDC15 in human spermatozoa.
View Article and Find Full Text PDFIn primary osteoarthritis (OA), normal 'wear and tear' associated with aging inhibits the ability of cartilage to sustain its load-bearing and lubrication functions, fostering a deleterious physical environment. The frictional interactions of articular cartilage and synovium may influence joint homeostasis through tissue level wear and cellular mechanotransduction. To study these mechanical and mechanobiological processes, a device capable of replicating the motion of the joint is described.
View Article and Find Full Text PDFSorsby Fundus Dystrophy (SFD) is a rare inherited autosomal dominant macular degeneration caused by specific mutations in TIMP3. Patients with SFD present with pathophysiology similar to the more common Age-related Macular Degeneration (AMD) and loss of vision due to both choroidal neovascularization and geographic atrophy. Previously, it has been shown that RPE degeneration in AMD is due in part to oxidative stress.
View Article and Find Full Text PDFThis study investigated wear damage of immature bovine articular cartilage using reciprocal sliding of tibial cartilage strips against glass or cartilage. Experiments were conducted in physiological buffered saline (PBS) or mature bovine synovial fluid (SF). A total of 63 samples were tested, of which 47 exhibited wear damage due to delamination of the cartilage surface initiated in the middle zone, with no evidence of abrasive wear.
View Article and Find Full Text PDFFront Cell Neurosci
January 2020
Demyelination of axons in the central nervous system (CNS) is a hallmark of multiple sclerosis (MS) and other demyelinating diseases. Cycles of demyelination, followed by remyelination, appear in the majority of MS patients and are associated with the onset and quiescence of disease-related symptoms, respectively. Previous studies in human patients and animal models have shown that vast demyelination is accompanied by wide-scale changes to brain activity, but details of this process are poorly understood.
View Article and Find Full Text PDFBackground: Cancer antigen CA72-4 is a tumor marker found to be elevated in a variety of human adenocarcinomas. Using the DRG TM-CA72-4, we quantified the elevation of CA72-4 compared to current United States Food And Drug Administration-approved tumor markers in various cancer types.
Materials And Methods: We conducted a prospective, single-center study enrolling 96 patients between March 2013 and August 2016 with different locally advanced, unresectable or metastatic cancer known to express CA72-4.
Venous thromboembolism (VTE) remains the number one preventable cause of hospital acquired mortality and morbidity. Each year, more than 12 million patients are at risk for VTE. The delivery of appropriate and timely VTE prophylaxis is still suboptimal in many healthcare institutions and can lead to increased readmissions, morbidity, as well as costs.
View Article and Find Full Text PDFBackground And Objective: Radiation therapy (RT) is part of standard adjuvant treatment for breast cancer. Earlier studies demonstrated increased cardiac morbidity and mortality from this. Coronary Calcium scanning utilizing Multidetector Computed Tomography (MDCT) can detect early atherosclerosis in coronary arteries by identifying the amount of calcifications.
View Article and Find Full Text PDFPurpose: Fatigue is one of the most common symptoms experienced by patients with cancer. This trial was developed to evaluate the efficacy of long-acting methylphenidate for improving cancer-related fatigue and to assess its toxicities.
Patients And Methods: Adults with cancer were randomly assigned in a double-blinded manner to receive methylphenidate (target dose, 54 mg/d) or placebo for 4 weeks.
Background: The cause of neuronal death in amyotrophic lateral sclerosis (ALS) is uncertain but mitochondrial dysfunction may play an important role. Ketones promote mitochondrial energy production and membrane stabilization.
Results: SOD1-G93A transgenic ALS mice were fed a ketogenic diet (KD) based on known formulations for humans.
In previous studies we found that overexpression of the inducible form of cyclooxygenase, COX-2, in the brain exacerbated beta-amyloid (A beta) neuropathology in a transgenic mouse model of Alzheimer's disease. To explore the mechanism through which COX may influence A beta amyloidosis, we used an adenoviral gene transfer system to study the effects of human (h)COX-1 and hCOX-2 isoform expression on A beta peptide generation. We found that expression of hCOXs in human amyloid precursor protein (APP)-overexpressing (Chinese hamster ovary (CHO)-APPswe) cells or human neuroglioma (H4-APP751) cells resulting in 10-25 nM prostaglandin (PG)-E2 concentration in the conditioned medium coincided with an approximately 1.
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