Digital Commons Network^™

Achilles Tendon Injuries In Major League Soccer: A 10-Year Analysis Of Injury Rate, Return To Play, And Performance Metrics, Brian Forsythe, Catherine Hand, Francis Hand, Henry Eilen, Matthew Varano, Jared Sasaki, Camden Bohn, Anne Timmermann, Lauren Fertig, Eric Giza, Robert H Brophy, Bert Mandelbaum, Kirk Mccullough

2020-Current year OA Pubs

BACKGROUND: Injuries to the Achilles tendon, such as tears or ruptures, are commonly observed among elite athletes. These injuries can be debilitating for professional soccer players, leading to prolonged recovery and potential performance declines.

PURPOSE: To investigate the annual incidence, return-to-play (RTP) duration, and postinjury performance outcomes of Major League Soccer (MLS) players who sustained Achilles tendon injuries from 2010 to 2021.

STUDY DESIGN: Cohort study; Level of evidence, 3.

METHODS: This retrospective matched-cohort study evaluated MLS players with Achilles tendon injuries from 2010 to 2021, identified through the MLS Injury Surveillance database, and compared outcomes, including RTP duration, between …

Tgf-Β Drives The Conversion Of Conventional Nk Cells Into Uterine Tissue-Resident Nk Cells To Support Murine Pregnancy, Josselyn D Barahona, Liping Yang, D Michael Nelson, Wayne M Yokoyama

2020-Current year OA Pubs

Tissue microenvironments shape lymphocyte differentiation to align immune function with local physiological demands. Uterine natural killer (NK) cells are critical for reproductive success, yet the molecular cues in the uterus that instruct their specialized identities remain incompletely understood. Here, we identify a TGF-β-dependent differentiation pathway by which circulating conventional NK cells convert into uterine tissue-resident NK cells during murine pregnancy. Loss of TGF-β receptor II expression in

Multiple Event Segmentation Mechanisms In The Human Brain, Tan T Nguyen, Joset A Etzel, Matthew A Bezdek, Jeffrey M Zacks

2020-Current year OA Pubs

The human brain segments continuous experience into discrete events, with theoretical accounts proposing two distinct mechanisms: creating boundaries at points of high

Long-Term Inactivation Mediated By Different Fgf-A Homologues On Heterologously Expressed Nav1.2 Currents, Yenisleidy Lorenzo-Ceballos, Pedro L Martinez-Espinosa, Xiao-Ming Xia, Christopher J Lingle

2020-Current year OA Pubs

A-isoforms of cytosolic growth factor homologous factors (FGF11-14) mediate long-term inactivation (LTI) of voltage-dependent sodium (NaV) channels. LTI is a rapid onset process that is competitive with the fast inactivation (IF) intrinsic to NaV channels, with little or no interconversion between inactivated states. Since recovery from LTI is orders of magnitude slower than recovery from IF, repetitive depolarizations lead to use-dependent accumulation of NaV channels in slow recovery states, thereby limiting NaV availability during trains of action potentials. Of the two or more N-terminal splice variants of the various FGF homologues, LTI specifically arises only from the A-isoform of each …

Subunit Composition Of The Katp Channels That Modulate Contractility Of Skeletal Muscle During Fatigue, Rosa Scala, Yuezhou Chen, Berk Mizrak, Gretchen A Meyer, Colin G Nichols

2020-Current year OA Pubs

ATP-sensitive potassium (KATP) channels are among the most expressed ion channels in skeletal muscle sarcolemma. While all KATP subunits can be detected in skeletal muscles, transcripts are enriched for KCNJ11 and ABCC9, suggesting that noncanonical Kir6.2/SUR2A assembly may constitute the majority of sarcolemmal KATP channels, but there has been no systematic dissection of KATP makeup in skeletal muscles. Here, we used a unique collection of murine lines selectively lacking specific channel-forming subunits (knockout, KO), and combined a genetic and pharmacological approach to determine which subunits of KATP channels are functionally relevant for skeletal muscle contraction. Under fatiguing conditions, isometric tetanic …

Integration Of A Task Strengthening Strategy For Hypertension Management Into Hiv Care In Nigeria: Baseline Characteristics Of Participants In A Cluster Randomized Controlled Trial, Weixi Chen, Juliet Iwelunmor, Et Al.

2020-Current year OA Pubs

BACKGROUND: Improved access to antiretroviral therapy (ART) has increased survival among people living with HIV (PLWH) but also the burden of cardiovascular risk factors like hypertension. While the task-strengthening strategy for hypertension control (TASSH) is a viable integrated care model, evidence of its clinical impact in Africa is limited. This report presents baseline findings from a trial evaluating 2 implementation strategies for integrating TASSH into HIV care across primary health centers (PHCs) in Lagos, Nigeria.

METHODS: A total of 3,504 PLWH on antiretroviral therapy in 30 PHCs were screened, and 830 were enrolled. Baseline data on patient sociodemographic, clinical, laboratory …

Extending The Fundamental Theorem Of Biomedical Informatics For The Ai Era, Philip R O Payne, Jonathan H Chen, Christopher A Longhurst

2020-Current year OA Pubs

BACKGROUND: Charles Friedman's Fundamental Theorem of Biomedical Informatics holds that a person working in partnership with an information resource outperforms that same person unassisted. Since its publication, advances in artificial intelligence (AI), adaptive learning systems, and large-scale data infrastructures have transformed the biomedical ecosystem, extending informatics beyond clinical care into domains such as public health, consumer health, translational science, and the broader life sciences. Such expansion has further underscored the importance of the Fundamental Theorem while also elucidating ways it can be expanded to meet current needs.

OBJECTIVE: To reassess and extend the Fundamental Theorem for the AI era in …

Beyond Lactate: Real-Time Resuscitation Targets For Septic Shock During Critical Care Transport, James L Li, Aaron J Lacy, Michael J Defilippo

2020-Current year OA Pubs

No abstract provided.

Evaluation Of The Impact Of A Pathology Trainee-Driven Manual Review Process For Reference Testing At A Large Academic Center, Carly Maucione, Christopher W Farnsworth, Mark A Zaydman

2020-Current year OA Pubs

BACKGROUND: Increasing reliance on and complexity of laboratory testing necessitates laboratory stewardship initiatives to ensure appropriate test ordering, especially as reference testing costs continue to rise. Prospective manual review processes, although demanding of resources, have been shown to be cost-effective, but literature addressing the value of such a process is lacking.

METHODS: The pathology trainee-driven manual review process of 444 chemistry and microbiology tests on approval at a large academic center was reviewed. Data were extracted from an internal-use call-log and analyzed for test volumes, cancellation rates, and cost savings. A hypergeometric distribution was used to model random variation in …

Delayed Diagnosis Of A Rare Metabolic Disorder In Adulthood, Isaiah K Mensah, Angie Carreno Martinez, Taylor Wilson, Miguel Valdez, Maria Laura Duque Lasio

2020-Current year OA Pubs

No abstract provided.

Laser Interstitial Thermal Therapy Enhances Bidirectional Blood-Brain Barrier Permeability In Glioblastoma, Ryan T Cleary, Yiwei Fu, David Giles, Jinyun Yuan, Diogo P Moniz Garcia, Danny Palmer, Rowland H Han, Timothy Woodiwiss, Alicia B Yang, Dimitrios Mathios, Hong Chen, Albert H Kim

2020-Current year OA Pubs

BACKGROUND: Laser interstitial thermal therapy (LITT) is a minimally invasive treatment for glioblastoma that increases blood-brain barrier (BBB) permeability. However, the mechanisms and spatiotemporal features of this effect remain unclear. It is also unknown whether LITT promotes release of circulating tumor DNA (ctDNA).

METHODS: Using our previously developed LITT mouse model, we employed single-cell RNA-sequencing (scRNA-seq) to investigate gene expression changes in endothelial cells following LITT in the naive mouse brain. Brains were also harvested at multiple time points to assess LITT effects on tight junction (TJ) integrity and transcytosis via immunofluorescence and transmission electron microscopy. Human glioblastoma tissues were …

Enhancing Validation Of Case-Control Omics Signatures Through "Minimalist" Single-Subject Analysis (N-Of-1 Trials): Proof Of Concept In Sepsis, Liam S Wilson, Nima Pouladi, Rachel F Nelson, Elizabeth A Middleton, Neal D Tolley, Mahdieh Shabanian, Colleen Kenost, Robert A Campbell, Matthew T Rondina, Yves A Lussier

2020-Current year OA Pubs

OBJECTIVE: To evaluate if a single-subject study (S3) design, utilizing paired transcriptome samples from the same patient (eg, "sepsis" vs "recovered"), can replicate transcriptomic signatures from small case-control studies, addressing challenges in patient accrual for rare or sub-stratified diseases.

METHODS: We generated a sepsis gene signature (SGS) comprising 300 differentially expressed genes (DEGs; FDR <  5%) from a human sepsis case-control cohort using general linear models (GLMs). Reproducibility of SGS was assessed through three approaches applied to sub-sampled independent datasets: single-subject analyses (N-of-1-MixEnrich), anticipated to perform better; conventional paired-sample GLM analyses; and a traditional case-control GLM analysis.

RESULTS: SGS reproducibility in GLM analyses was inconsistent at smaller cohort sizes (∼80% reproducibility; n = 5) but stabilized at cohort sizes >6. Remarkably, the single-subject-study approach consistently reproduced SGS in each of the 18 subjects individually (100% reproducibility; n = 1).

DISCUSSION: Conventional GLMs are …

Association Between Thumb Hypoplasia, Radial Longitudinal Deficiency, And Radial Polydactyly, Emma Payne, Charles A Goldfarb, M Claire Manske, Apurva Shah, Andrea Bauer, Lindley B Wall, Could Study Group

2020-Current year OA Pubs

PURPOSE: The expression of the sonic hedgehog protein has been associated with induction of both radial longitudinal deficiency (RLD) and radial polydactyly in animal studies. We sought to investigate the co-occurrence of thumb hypoplasia/RLD and radial polydactyly in a large registry patient cohort and to investigate the clinical presentations of such patients.

METHODS: The Congenital Upper Limb Differences (CoULD) registry was queried for all patients with contralateral diagnoses of thumb hypoplasia/RLD and radial polydactyly, as defined by the Oberg-Manske-Tonkin classification system, between June 2014 and January 2026. The demographic information, medical and musculoskeletal comorbidities, radiographs, and clinical images were collected. …

Brain Volumes In Fetuses With Congenital Heart Disease And Placental Vascular Abnormalities, Erin A O'Brien, Kaylin Taylor, Joshua S Shimony, Cynthia M Ortinau, Et Al.

2020-Current year OA Pubs

OBJECTIVE: Investigate the association between placental vascular abnormalities and regional brain volumes in congenital heart disease (CHD) fetuses with and without genetic abnormalities.

STUDY DESIGN: Secondary analysis of brain magnetic resonance imaging (MRI) and placental pathology data from 121 CHD fetuses enrolled in prospective neuroimaging studies at two centers.

RESULTS: Placental vascular abnormality was present in 46% of fetuses, and genetic abnormality was present in 19%, including 12% with both abnormalities. Fetuses with the combination of placental and genetic abnormalities had smaller brain volumes compared to fetuses without either abnormality for total brain, subcortical gray matter, brainstem, and cerebellum, with …

Outcomes Of Patients With Higher-Risk Myelodysplastic Syndromes/Neoplasms Treated With Hypomethylating Agents + Venetoclax-An Analysis From The International Consortium For Mds (Icmds) Validate Database, Jan Philipp Bewersdorf, Geoffrey L Uy, Samuel Urrutia, Constantine N Logothetis, Et Al.

2020-Current year OA Pubs

Monotherapy with hypomethylating agents (HMA) remains the standard of care for patients with higher-risk myelodysplastic neoplasms (HR-MDS). Recently, the randomized phase III VERONA study evaluating azacitidine plus venetoclax (VEN) versus azacitidine plus placebo in newly diagnosed HR-MDS showed no difference in overall survival (OS) between the two arms. However, whether the addition of VEN to HMA improves outcomes among subsets of patients with HR-MDS remains debated. We analyzed 1907 patients with HR-MDS from 31 centers in 9 countries who were treated with HMA monotherapy or HMA/VEN in the frontline setting (HMA monotherapy: n = 1773; HMA/VEN: n = 134). Responses …

Efficacy Of Post-Transplant Brentuximab Vedotin Maintenance By Pre-Transplant Disease Status In Relapsed/Refractory Classic Hodgkin Lymphoma, Sanjal H Desai, Brad Kahl, Raya Saba, Et Al.

2020-Current year OA Pubs

Patients with classic Hodgkin lymphoma (cHL) with primary refractory disease, early relapse, or extranodal disease have a higher risk of relapse after salvage therapy and autologous stem cell transplant (ASCT). Post-ASCT brentuximab vedotin (BV) maintenance improved progression-free survival (PFS) in high-risk relapsed/refractory (R/R) cHL in the AETHERA trial, but subgroup analysis suggested that the benefit in patients transplanted in complete metabolic response (CMR) is unclear. In a large international real-world cohort, we assessed the efficacy of BV maintenance stratified by pre-ASCT metabolic response and by the number of clinical risk factors as defined in the AETHERA trial. Adult patients with …

Growth In Early Infancy Drives Optimal Brain Functional Connectivity Which Predicts Cognitive Flexibility In Later Childhood, Chiara Bulgarelli, Anna Blasi, Samantha Mccann, Bosiljka Milosavljevic, Giulia Ghillia, Ebrima Mbye, Ebou Touray, Tijan Fadera, Lena Acolatse, Sophie E Moore, Sarah Lloyd-Fox, Clare E Elwell, Adam T Eggebrecht, Bright Study Team

2020-Current year OA Pubs

Functional brain network organisation, measured by functional connectivity (FC), reflects key neurodevelopmental processes for healthy development. Early exposure to adversity, for example undernutrition, affects neurodevelopment, observable via disrupted FC, and leads to poorer outcomes from preschool age onwards. We assessed longitudinally the impact of early growth trajectories on developmental FC in a rural Gambian population from age 5-24 months. To investigate how these early trajectories relate to later childhood outcomes, we assessed cognitive flexibility at 3-5 years. We observed that early physical growth before the fifth month of life drove optimal developmental trajectories of FC that in turn predicted cognitive …

Early Results Of Sotatercept Treatment In Patients With Severe Pulmonary Hypertension And A Potts Shunt, Manish A Aggarwal, Kelly Merrill, Delphine Yung, R Mark Grady

2020-Current year OA Pubs

Twelve patients with severe pulmonary hypertension (PH) who had a pulmonary artery-to-descending aorta (Potts) shunt were treated with the novel PH drug sotatercept for an average of 12 months. Overall, the group showed significant improvement in a number of clinical parameters with no serious complications. Thus, a trial of sotatercept could be considered prior to an invasive intervention in patients with severe PH. Similarly, it may also be useful in patients with Eisenmenger-like physiology.

Quantitative Assessment Of Cardiac Phosphocreatine Metabolism Under Physiological And Pharmacological Stress Using Chemical Exchange Saturation Transfer Magnetic Resonance Imaging, Qi Huang, Caleb Berberet, Ryan Wahidi, Todd Pavek, Cihat Eldeniz, Liya Dai, Rong Guo, Yang Yang, Scott Bugenhagen, Linda R Peterson, Thomas H Schindler, Pamela K Woodard, Jie Zheng

2020-Current year OA Pubs

BACKGROUND: Phosphocreatine (PCr) exhibits a distinct chemical exchange saturation transfer (CEST) resonance at ∼2.5 ppm with slower exchange kinetics and lower pH sensitivity than creatine. This pilot study evaluated the feasibility of quantifying myocardial PCr-dominated concentration ([PCr]

METHODS: Phantoms with varied concentrations of PCr and Cr were scanned to characterize PCr CEST signals under physiological conditions. Experiments were conducted at both room temperature and 37 °C with full Z-spectra acquisition. For the study in vivo, CEST imaging was performed in normal canines (n = 13), at rest and after regadenoson vasodilation, and during dobutamine stress (n = 5). In addition, …

Alcohol Consumption And Molecular Subtypes Of Colorectal Cancer: Pooled Observational And Mendelian Randomization Analyses, Christos V Chalitsios, Yin Cao, Et Al.

2020-Current year OA Pubs

BACKGROUND: Alcohol consumption is associated with colorectal cancer (CRC) risk, yet its association with distinct molecular subtypes remains unclear. Clarifying this could reveal insights into alcohol's carcinogenic mechanisms.

OBJECTIVES: We examined the association between alcohol consumption and the risk of CRC subtypes defined by individual tumor markers (and marker combinations), namely microsatellite instability (MSI) status, CpG island methylator phenotype (CIMP) status, BRAF, and KRAS mutations.

METHODS: Pooled observational (n

RESULTS: Among drinkers, each additional 14 g/d of alcohol was associated with a 10% higher CRC risk [odds ratio (OR) = 1.10; 95% confidence interval (CI): 1.07, 1.13], but this association …

Chronic Conditions And Mortality In Medicare Beneficiaries Before And After The Covid-19 Pandemic, R J Waken, Fengxian Wang, Jose F Figueroa, Rishi K Wadhera, Khavya Avula, E John Orav, Anne Mobley Butler, Karen E Joynt Maddox

2020-Current year OA Pubs

IMPORTANCE: There were well-documented changes in health care use during the COVID-19 pandemic. Little is known about whether there were any associated decreases in claims-based comorbidity ascertainment that might have relevance to health services and policy research.

OBJECTIVE: To quantify differences in claims-based comorbidity assessment in Medicare beneficiaries pre- vs post-COVID-19.

DESIGN, SETTING, AND PARTICIPANTS: This cross-sectional study analyzed data from the 30 Chronic Conditions Warehouse 1- or 2-year lookback claims algorithms to ascertain each comorbidity with exact date ranges for all fee-for-service (FFS) and Medicare Advantage (MA) beneficiaries. Data were analyzed from April 2025 to April 2026.

EXPOSURES: The …

Viscoelastic And Morphologic Changes In The Lumbar Intervertebral Discs Of The 5xfad Mouse Model Of Alzheimer's Disease, C E Gonzalez, C A Schurman, K A Wilson, B Schilling, L M Ellerby, S Y Tang

2020-Current year OA Pubs

BACKGROUND: Chronic low back pain, commonly associated with intervertebral disc (IVD) degeneration, is highly prevalent in patients with Alzheimer's disease (AD), and the severity of the pain is correlated with the severity of the dementia. While incidences of both afflictions increase dramatically in the elderly population, it is unknown whether AD exacerbates the health of the IVD.

AIMS: The aim of this study is to examine how AD-related mutations affect the structure and mechanics of the IVD.

MATERIALS AND METHODS: Utilizing one-year-old male and female 5xFAD mice that constitutively express human APP and PSEN1 transgenes with five AD-linked mutations, we …

Technical Trends In Management Of Acl Reconstructions In 2025: A Major League Soccer Team Physicians Survey, Matthew Varano, Henry Eilen, Catherine Hand, Camden Bohn, Yining Lu, Rachel Frank, Danyal Nawabi, Robert Brophy, Bert Mandelbaum, Brian Forsythe

2020-Current year OA Pubs

BACKGROUND: The optimal graft choice for anterior cruciate ligament reconstruction (ACLR) remains a subject of ongoing debate. In practice, graft selection in ACLR is multifactorial, with patient characteristics, activity level, and surgeon preference/training background all playing a crucial role in the clinical decision-making process. While graft trends have been reported across select professional sports leagues, none have focused specifically on professional soccer.

PURPOSE: To report current trends in graft preference for ACLR among Major League Soccer (MLS) surgeons.

STUDY DESIGN: Cross-sectional study.

METHODS: A 39-question survey was distributed to 27 orthopaedic surgeons affiliated with MLS teams in January 2025. The …

Use Of Wearable Sensors To Measure Improvements In Real World Upper Extremity Activity After Brachial Plexus Reconstruction, Arakua N Welbeck, Catherine E Lang, David M Brogan, Christopher J Dy

2020-Current year OA Pubs

PURPOSE: Current functional assessments after brachial plexus (BP) reconstruction, including surgeon-graded active range of motion and strength scores, and patient-reported outcomes (PROs), have limitations. This study evaluated the feasibility of wearable sensors to quantify recovery and functional outcomes following BP reconstruction. We hypothesized that sensor-derived measures of daily upper-extremity use would correlate with PROs and that real-world upper-extremity use would improve.

METHODS: Traumatic BP injury patients wore bilateral wrist accelerometers for 7-day periods at 3- to 6-month intervals. Data were grouped relative to timing of reconstruction. Duration and magnitude of upper-extremity activity were expressed as ratios of injured to uninjured …

Lingo4 Coordinates Ilc3-Intrinsic Il-22 Production And Microbiota-Mediated Ilc3 Homeostasis, José L Fachi, Tihana Trsan, Cristiane Sécca, Sarah De Oliveira, Vinícius R Rodovalho, Patrick Fernandes Rodrigues, Wandy L Beatty, Raki Sudan, Shitong Wu, Bishan Bhattarai, Santosh K Panda, Marina Cella, Susan Gilfillan, Marco Colonna

2020-Current year OA Pubs

LINGO4 is a leucine-rich repeat and immunoglobulin-like domain-containing transmembrane protein encoded immediately adjacent to Rorc, the gene for RORγt, raising the possibility that it contributes to the biology of RORγt+ lymphocytes. However, its impact on these cells and resistance to enteric infections has remained unknown. Here, we identify LINGO4 as a critical regulator of group 3 innate lymphoid cells (ILC3s). Lingo4-/- ILC3s exhibit a profound, cell-intrinsic defect in IL-22 production linked to impaired STAT3 activation, mitochondrial dysfunction, elevated ROS, and increased apoptosis. In vivo, Lingo4 deficiency also drives a dysbiotic gut microbiota, resulting in an additional, microbiota-dependent loss of ILC3s. …

Short Autoinhibitory Sequences Control Phase Separation Of An Essential Bacterial Transcription Termination Factor, Emilia Krypotou, Kiersten M Ruff, Leah K Mckinney, Guy E Townsend Ii, Jue D Wang, Rohit V Pappu, Eduardo A Groisman

2020-Current year OA Pubs

Within cells, across diverse organisms, macromolecular condensation enables spatial and temporal organization of biochemical reactions by organizing proteins and nucleic acids into compositionally distinct membraneless biomolecular condensates. In the gut bacterium Bacteroides thetaiotaomicron, condensate formation by the transcription termination factor Rho (BtRho) increases its termination activity and promotes B. thetaiotaomicron fitness in the mammalian gut. Here, we elucidate the molecular mechanism governing carbon starvation-induced BtRho phase separation. We establish that short, specific amino acid sequences within BtRho's intrinsically disordered region (IDR) control BtRho condensation via complex coacervation. The identified sequences participate in RNA and intra-IDR regulatory interactions that drive condensate …

Noninvasive Enrichment Of Circulating Tumor Biomarkers In A Mouse Model Of Diffuse Midline Glioma Using Focused Ultrasound, Dingyue Zhang, Yimei Yue, Yan Gong, Leqi Yang, Kevin Xu, Jinyun Yuan, Hong Chen

2020-Current year OA Pubs

BACKGROUND: Diagnosing diffuse midline glioma (DMG) through invasive tissue biopsies is challenging due to the tumor's eloquent location at the pons. Liquid biopsies offer a promising noninvasive alternative; however, their limited detection sensitivity and lack of information on the source of biomarkers pose great challenges. This study aimed to evaluate the feasibility and safety of using focused ultrasound (FUS) with microbubbles to enrich circulating DMG tumor biomarkers in blood and cerebrospinal fluid (CSF) using a mouse model.

METHODS: Murine DMG cells, transfected with enhanced green fluorescent protein (EGFP) and firefly luciferase (Fluc) genes, were orthotopically injected into the mouse brain. …

Quantification Of Sarm1 Nadase Activity In Human Peripheral Blood Mononuclear Cells, Lila F Dabill, Ivana R Shen, Jennifer M Brazill, Alicia Neiner, Yo Sasaki, Erica L Scheller

2020-Current year OA Pubs

SARM1 (sterile α and TIR motif-containing protein-1) is an NADase enzyme that serves as the central executioner of Wallerian axon degeneration. Given this, SARM1 is of high interest as a candidate therapeutic target, and SARM1 inhibitors are currently in clinical trials for treatment of neurodegeneration. Beyond neuroscience, emerging studies reveal that SARM1 may also drive aspects of bone fragility, liver pathology, adipose expansion, and insulin resistance in metabolic disease. However, we lack methods to quantify SARM1 activation in humans to better define patients at high risk of SARM1-mediated tissue damage. Unlike neurons, peripheral blood mononuclear cells (PBMCs) represent an easily …

Longitudinal Changes In Cognition And Brain Imaging In Persons With Human Immunodeficiency Virus, James Kennedy, Sarah A Cooley, June Roman Fox, Kalen J Petersen, Elizabeth Westerhaus, Pat Reid, Linet Lopez, Beau M Ances

2020-Current year OA Pubs

BACKGROUND: As persons with human immunodeficiency virus (PWH) live longer, interactions between human immunodeficiency virus (HIV), aging, and structural brain integrity become increasingly vital for understanding cognitive disorders. This study analyzed the effects of aging, HIV serostatus, and viral load on cognition and brain volumes in a large cohort of persons without HIV (PWOH), PWH with undetectable virus (PWHU) (HIV RNA ≤50 copies/mL), and PWH with detectable virus (PHWD) (HIV RNA >50 copies/mL). Cross-sectional and longitudinal data were included.

METHODS: Cognitive composites (NPZ4) and brain volumes were obtained from 259 PWOH, 264 PWHU, and 84 PWHD with a total of …

Harnessing Mechanobiology Of Resident Stem Cells To Refine Cell Based Therapeutics, Dakota R. Kamm

WUSM Theses and Dissertations – All Programs

Mesenchymal stem cells (MSCs) are resident cells residing with many adult tissues such as adipose tissue and bone marrow that have the potency for multiple lineage differentiation as well as the capacity to secrete a litany of beneficial factors to maintain homeostasis and promote tissue repair. Since 1995, MSCs have been used therapeutically to treat a variety of conditions from osteoarthritis to heart disease to muscle pathologies. Great leaps have been made in improving MSC-based therapies through optimization of culture methods and select enrichment of cellular subpopulations. More recently, the physical microenvironment of tissue in vivo and culture conditions in …