2,125 results match your criteria: " University of Kentucky[Affiliation]"

The current study examines mother and father PPD as a risk factor for child emotion regulation difficulties. A model was tested in which parent depression and parent emotion socialization of children were serial intervening variables. Parent emotion socialization was assessed via parent self-reported supportive and nonsupportive reactions to child negative emotions.

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Solid tumors vary by the immunogenic potential of the tumor microenvironment (TME) and the likelihood of response to immunotherapy. The emerging literature has identified key immune cell populations that significantly impact immune activation or suppression within the TME. This study investigated candidate T-cell populations and their differential infiltration within different tumor types as estimated from mRNA co-expression levels of the corresponding cellular markers.

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S-PLM: Structure-Aware Protein Language Model via Contrastive Learning Between Sequence and Structure.

Adv Sci (Weinh)

December 2024

Department of Electrical Engineering and Computer Science and Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.

Proteins play an essential role in various biological and engineering processes. Large protein language models (PLMs) present excellent potential to reshape protein research by accelerating the determination of protein functions and the design of proteins with the desired functions. The prediction and design capacity of PLMs relies on the representation gained from the protein sequences.

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Translation of circular RNAs.

Nucleic Acids Res

January 2025

University of Kentucky, Molecular and Cellular Biochemistry, 741 South Limestone, Lexington, KY 40503, USA.

Circular RNAs (circRNAs) are covalently closed RNAs that are present in all eukaryotes tested. Recent RNA sequencing (RNA-seq) analyses indicate that although generally less abundant than messenger RNAs (mRNAs), over 1.8 million circRNA isoforms exist in humans, much more than the number of currently known mRNA isoforms.

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LI-RADS US Surveillance Version 2024 for Surveillance of Hepatocellular Carcinoma: An Update to the American College of Radiology US LI-RADS.

Radiology

December 2024

From the Department of Radiology, Stanford University, 300 Pasteur Dr, Palo Alto, CA 94304 (A. Kamaya, J.R.T.); The University of Texas Southwestern Medical Center, Dallas, Tex (D.T.F.); Department of Radiology, Royal Perth Hospital, Perth, Western Australia, Australia (J.H.S.); Department of Radiology, University of Calgary, Calgary, Alberta, Canada (D.P.B.); Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, Calif (H.H.C., C.W.H.); Department of Radiology, University of Kentucky, Lexington, Ky (A.A.D.); MIC Medical Imaging, Edmonton, Alberta, Canada (C.F.); Department of Radiology, Northwestern University, Chicago, Ill (H.G.); Department of Radiology, University of California at San Diego, UC San Diego Medical Center, San Diego, Calif (A. Khurana); Liver Imaging Group, Department of Radiology, UC San Diego, San Diego, Calif (C.B.S.); Penn State Health Milton S. Hershey Medical Center, Hershey, Pa (K.L.M.); Department of Radiology, Mayo Clinic Arizona, Phoenix, Ariz (T.A.M.); and Department of Radiology, Thomas Jefferson University, Cherry Hill, NJ (S.K.R.).

In 2017, the American College of Radiology introduced the US Liver Imaging Reporting and Data System (LI-RADS) as a framework for US surveillance of patients at risk for developing hepatocellular carcinoma. This has aided in the standardization of technique, clinical reporting, patient management, data collection, and research. Emerging evidence has helped inform changes to the algorithm, now released as LI-RADS US Surveillance version 2024.

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Ethanol abolishes ventilatory long-term facilitation and blunts the ventilatory response to hypoxia in female rats.

Respir Physiol Neurobiol

January 2025

Department of Neuroscience, Spinal Cord and Brain Injury Research Center, College of Medicine, University of Kentucky, 741 S. Limestone St., Lexington, KY 40508, USA.. Electronic address:

Obstructive sleep apnea (OSA) is a breathing disorder in which airway obstruction during sleep leads to periodic bouts of inadequate (hypopneic) or absent (apneic) ventilation despite neurorespiratory effort. Repetitive apneic and hypopneic exposures can induce intermittent hypoxemia and lead to a host of maladaptive behavioral and physiological outcomes. Intermittent hypoxia treatment (IH), which consists of alternating exposure to hypoxic and normal air, can induce a long-lasting increase in breathing motor outputs called long term facilitation (LTF).

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Economic and Cultural Assessment of the DASH Eating Plan for Low-Income African Americans: An Integrative Review.

Int J Environ Res Public Health

November 2024

College of Health Sciences, University of Kentucky, 900 South Limestone Street, Room 209C, Lexington, KY 40536-0200, USA.

Diet is one modifiable risk factor for hypertension. The low-sodium DASH (Dietary Approaches to Stop Hypertension) eating plan has been shown to significantly reduce the risk of hypertension and cardiovascular disease. However, there is a lack of available health information on the economic feasibility and cultural acceptability of DASH for low-income African American (AA) populations who are at the most risk for hypertension.

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Article Synopsis
  • Blood-based biomarkers are being studied to improve the detection and monitoring of Alzheimer's Disease in individuals with Down Syndrome, as current clinical diagnostics are challenging.
  • Key biomarkers like phosphorylated tau (p-tau217, p-tau181) have shown strong connections to disease progression in Down Syndrome, suggesting they could be valuable in clinical settings.
  • The research emphasizes the need for more understanding of biomarker variability, particularly regarding sex differences and the appropriate contexts for their clinical application in Alzheimer's diagnosis and treatment.
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The Effects of Zinc on Proprioceptive Sensory Function and Nerve Conduction.

NeuroSci

December 2023

Department of Biology, University of Kentucky, Lexington, KY 40506-0225, USA; (E.R.E.); (K.E.B.); (A.C.T.); (A.A.); (D.B.); (T.B.); (I.V.C.); (B.C.); (R.C.); (A.G.); (J.G.); (J.A.H.); (H.K.); (S.O.N.); (D.M.N.); (A.N.); (D.R.P.); (G.L.R.); (J.C.S.); (T.Y.).

Zinc (Zn) is an essential element that can promote proper organ function, cell growth, and immune response; it can also, however, be present in too great a quantity. Zinc toxicity caused by overexposure may result in both minor and major physiological effects, with chronic exposure at low levels and acute exposure at high levels being harmful or even toxic. This investigation examines the effects of acute exposure to relatively high concentrations of Zn on sensory nerve function and nerve conduction.

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The second-generation myosin activator danicamtiv (DN) has shown improved function compared with the first-generation myosin activator omecamtiv mecarbil (OM) in nonfailing myocardium by enhancing cardiac force generation but attenuating slowed relaxation. However, whether the functional improvement with DN compared with OM persists in remodeled failing myocardium remains unknown. Therefore, this study aimed to investigate the differential contractile responses to myosin activators in nonfailing and failing myocardium.

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Whey protein isolate (WPI) was reacted with 20, 120, and 240 μmol/g gallic acid (GA) or epigallocatechin gallate (EGCG) at 21 °C. Equilibrium dialysis testing indicated a stronger binding capacity of whey proteins with EGCG compared to GA. Both phenolics, especially EGCG, tended to reduce the adsorption of WPI at the oil-water interface and decreased the elasticity modulus (E) of the interfacial film.

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Introduction: Individuals with substance use disorders face many challenges in establishing and maintaining recovery, most notably from contextual factors such as people, locations, events, emotions, and other triggers of cravings that could spark return to use. We sought to understand how individuals experience and cope with locations as triggers.

Methods: We conducted 31 semi-structured in-depth interviews with individuals who had recently been in substance use treatment and reported problem levels of alcohol and opioid use according to screening instruments.

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Unsupervised learning, particularly clustering, plays a pivotal role in disease subtyping and patient stratification, especially with the abundance of large-scale multi-omics data. Deep learning models, such as variational autoencoders (VAEs), can enhance clustering algorithms by leveraging inter-individual heterogeneity. However, the impact of confounders-external factors unrelated to the condition, e.

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Article Synopsis
  • Triple-negative breast cancer (TNBC) is a challenging type of breast cancer without specific treatment targets, primarily relying on traditional chemotherapy methods, making it essential to explore new therapeutic strategies.
  • Researchers engineered extracellular vesicles (EVs) using RNA nanotechnology to deliver targeted therapies specifically to TNBC cells by optimizing them with survivin small interfering RNA (siRNA) and CD44 aptamer ligands.
  • The study found that these engineered EVs dramatically reduced the required doses of chemotherapy drugs like gemcitabine and paclitaxel, showing effective tumor growth inhibition while potentially minimizing side effects associated with standard chemotherapy treatments.
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The problem with two-event sequence learning by pigeons.

Anim Cogn

October 2024

Department of Psychology, University of Kentucky, Lexington, KY, 40506-0044, USA.

Bonobos appear to show little evidence of learning to make one response (R1) to an AB sequence and a different response (R2) to sequences BB, AA, and BA (Lind et al. PLoS ONE 18(9):e0290546, 2023), yet under different conditions, pigeons can learn this (Weisman et al. Exp Psychol Anim Behav Process 6(4):312, 1980).

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Article Synopsis
  • - Enfortumab vedotin (EV) is effective for patients with advanced urothelial carcinoma who have previously received platinum chemotherapy and immune therapy, despite lacking research on those treated with avelumab maintenance.
  • - A study of 182 patients showed a median overall survival of 12.7 months and a progression-free survival of 7.9 months, with 39% achieving a positive response to EV after avelumab treatment.
  • - The study confirms EV's effectiveness, suggesting it can be a viable option for patients previously treated with avelumab, with manageable side effects like grade ≥ 3 neuropathy and skin rash occurring in a minority of cases.
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Article Synopsis
  • * The National Council for Mental Wellbeing released guidelines on protecting these individuals in public discussions, but the commentary critiques the recommendation that only those with five or more years of recovery should participate.
  • * The authors argue this guideline excludes many valuable voices, including those with recent experiences in the evolving landscape of substance use, and propose more inclusive alternatives for engaging PWLLE in meaningful dialogue.
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Impact of catastrophic brain injury guidelines on organ donation rates: Results of an EAST multicenter trial.

J Trauma Acute Care Surg

January 2025

From the Department of Surgery (K.D.N., D. Tatum, A.P., J.C.D., A.S.A., E.I., B.M., E.C., S.T.), Tulane University School of Medicine, New Orleans, Louisiana; Department of Surgery (K.D.N.), Harbor-UCLA Medical Center, Torrance, California; Department of Surgery (M.B.P., A.W.M., A.B.P.), Vanderbilt University Medical Center, Nashville, Tennessee; Department of Surgery (J.N., C.A.), University of California-Irvine, Orange, California; Department of Surgery (P.O.U., A. Stiles, C.S.), Wake Med, Raleigh, North Carolina; Department of Surgery (J.D. Stodghill, T.M.), Virginia Tech Carilion School of Medicine, Roanoke, Virginia; Department of Surgery (R.M.B., S.A.Z., B. Shammassian, A.A.S.), Louisiana State University Health, New Orleans, Louisiana;Department of Surgery (T.E., I.A., P.M., J. Metheny), Cooper Medical School of Rowan University, Camden, New Jersey; Department of Surgery (M.S.F., M.D.P.), Lehigh Valley Health Network, Allentown, Pennsylvania; Department of Surgery (O.T.M., P.S.), Valleywise Health Medical Center, Phoenix, Arizona; Department of Surgery (D.T.-W.W., J.S.), Arrowhead Regional Medical Center, Colton, California; Department of Surgery (J.D. Sciarretta, P.K.), Emory University School of Medicine, Atlanta, Georgia; Department of Surgery (R.H., D.G.), Loma Linda University Medical Center, Loma Linda, California; Department of Surgery (J. Murry, K. Meadows), UT Health Tyler, Tyler, Texas; Department of Surgery (L.E.J., J.M.W.), Ascension St. Vincent Hospital, Indianapolis, Indiana; Department of Surgery (A.C.B.), University of Kentucky Healthcare, Lexington, Kentucky;17 DeBusk College of Osteopathic Medicine (B. Smith), Lincoln Memorial University, Harrogate, Tennessee; Department of Surgery (S.L.M., N.P.), Conemaugh Memorial Medical Center, Johnstown, Pennsylvania; Department of Surgery (D. Tabello, E.T.), Inova Health System, Falls Church, Virginia; Department of Surgery (S.M.C., F.A.), King Saud Medical City, Riyadh, Saudi Arabia;Department of Surgery (B.S.M., M.A.W.), University of Minnesota, Minneapolis, Minnesota;22 Department of Surgery (T.H.J., G.D.), Our Lady of the Lake Regional Medical Center, Baton Rouge, Louisiana;23 Department of 'Surgery (J.A.M., D.R.), Thomas Jefferson University Hospital, Philadelphia, Pennsylvania;24 Department of Surgery (J.M.H., K.L.), Ascension Via Christi Hospitals Wichita, Wichita, Kansas;25 Department of Surgery (K. Matsushima, S.P.), Los Angeles General Medical Center, Los Angeles, California; Department of Surgery (A. Santos, K.S.), Texas Tech University Health Science Center; Department of Surgery (C.B.), Covenant Medical Center, Lubbock, Texas; Department of Surgery (R.S., S.V.), Bronson Methodist Hospital, Kalamazoo, Michigan; Department of Surgery (R.J.J., R.C.H.), College of Medicine Chattanooga, University of Tennessee, Chattanooga, Tennessee; Department of Surgery (S.L.), Warren Alpert Medical School at Brown University, Providence, Rhode Island; Department of Surgery (N.B., W.A.), Tufts Medical Center, Boston, Massachusetts; Department of Surgery (M.J.L., H.M.), Research Medical Center, Kansas City, Missouri; Department of Surgery (R.P.D., C.A.F.), University of Texas Southwestern Medical Center, Dallas, Texas; Department of Surgery (C.A.F.), Brody School of Medicine at East Carolina, Greenville, North Carolina; Department of Surgery (W.T.H.T., Y.T.), University of Nebraska Medical Center, Omaha, Nevada; Department of Surgery (V.M., F.M.), U General University Hospital of Patras, Pio, Greece; and Department of Surgery (J.D.B., D.R.M.), Broward Health Medical Center, Fort Lauderdale, Florida.

Article Synopsis
  • One third of organ donors experience catastrophic brain injury (CBI), but there’s no standardized management for traumatic CBI among trauma centers, leading to variability in practices.
  • A multicenter trial involving 33 trauma centers analyzed 790 CBI patients to investigate whether institutions with CBI guidelines had higher organ donation rates.
  • While centers with CBI guidelines showed greater use of certain treatments, the presence of guidelines did not significantly increase organ donation rates; however, hormone therapies were linked to a higher likelihood of donation.
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Article Synopsis
  • Advances in immuno-oncology have improved treatment for renal cell carcinoma, but patients with "primary refractory" disease have poor outcomes; our study found a 19% prevalence of this group among 1,709 metastatic clear cell patients across 72 centers in 22 countries.
  • The highest primary refractory rate was 27% with nivolumab/ipilimumab, while pembrolizumab/lenvatinib had the lowest at 10%; those classified as primary refractory only had a median survival of 7.6 months compared to 55.7 months for non-primary refractory patients.
  • Significant predictors of survival for primary refractory patients included factors like prior nephrectomy and presence of bone/brain metastases, highlighting the complex
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This paper reports the results of a hybrid effectiveness-implementation randomized trial that systematically varied levels of human oversight required to support the implementation of a digital medicine intervention for persons with mild-to-moderate alcohol use disorder (AUD). Participants were randomly assigned to three groups representing possible digital health support models within a health system: self-monitored use (SM; n = 185), peer-supported use (PS; n = 186), or a clinically integrated model CI; (n = 187). Across all three groups, the percentage of self-reported heavy drinking days dropped from 38.

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Many coronavirus disease 2019 (COVID-19) positive individuals exhibit abnormal electroencephalographic (EEG) activity reflecting "brain fog" and mild cognitive impairments even months after the acute phase of infection. Resting-state EEG abnormalities include EEG slowing (reduced alpha rhythm; increased slow waves) and epileptiform activity. An expert panel conducted a systematic review to present compelling evidence that cognitive deficits due to COVID-19 and to Alzheimer's disease and related dementia (ADRD) are driven by overlapping pathologies and neurophysiological abnormalities.

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Lubiak, SM, Lawson, JE, Gonzalez Rojas, DH, Proppe, CE, Rivera, PM, Hammer, SM, Trevino, MA, Dinyer-McNeely, TK, Montgomery, TR, Olmos, AA, Sears, KN, Bergstrom, HC, Succi, PJ, Keller, JL, and Hill, EC. A moderate blood flow restriction pressure does not affect maximal strength or neuromuscular responses. J Strength Cond Res XX(X): 000-000, 2024-The purpose of this study was to examine the acute effects of blood flow restriction (BFR) applied at 60% of total arterial occlusion pressure (AOP) on maximal strength.

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Rationale: A recent study by our group found that women displayed greater attentional bias to alcohol-related cues during the late versus early follicular phase in both sober and intoxicated states, suggesting a greater risk of excessive drinking among women during this phase. Changes in attentional bias as a function of menstrual cycle phase raise questions about potential sex differences in the relative consistency by which women and men display attentional bias to alcohol over time.

Objectives: The present study tested sex differences in attentional bias to alcohol by comparing the change in women's attentional bias from early to late follicular phase to that observed in men over the same period.

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Metallo-beta-lactamase (MBL)-producing carbapenem-resistant (CRE) infections continue to pose a serious threat to healthcare. Due to their unique active site, MBLs evade the activity of many novel beta-lactam/beta-lactamase inhibitor combinations, which have been specifically targeted toward those carbapenemases with serine active sites. Furthermore, resistance to most, if not all, other clinically relevant antimicrobial classes leaves few reliable therapeutic options.

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Existing maze apparatuses used in rodents often exclusively assess spatial discriminability as a means to evaluate learning impairments. Spatial learning in such paradigms is reportedly spared by moderate prenatal alcohol exposure in rats, suggesting that spatial reinforcement alone is insufficient to delineate executive dysfunction, which consistently manifests in humans prenatally-exposed to alcohol. To address this, we designed a single-session continuous performance task in the T-maze apparatus that requires rats to discriminate within and between simultaneously-presented spatial (left or right) and tactile (sandpaper or smooth) stimuli for food reinforcement across four sequential discrimination stages: simple discrimination, intradimensional reversal 1, extradimensional shift, and intradimensional reversal 2.

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