1,703 results match your criteria: "Johns Hopkins School of Public Health.[Affiliation]"

Antenatal anxiety is among the risk factors for adverse birth outcomes, which are common in Pakistan. Between 2019 and 2022, we conducted a randomized controlled trial to evaluate the effects of the Happy Mother-Healthy Baby program, designed to reduce anxiety during pregnancy through use of Cognitive Behavior Therapy, on birth outcomes with 796 women in Rwalpindi, Pakistan. We performed intent-to-treat analysis and per protocol analyses.

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Objective: To assess the Behavioral Intention Predictive Framework's utility in explaining variation in cancer patients' strong behavioral intention (SBI) to use LEAPS (Listen, Educate, Assess, Partner, Support) communication skills after viewing training videos.

Methods: Ninety-eight patients were enrolled through anonymized online platforms to view LEAPS training videos, complete background and communication questionnaires and report their SBI to use LEAPS skills.

Results: On average, patients indicated SBI to use 6 of 13 skills and 46% of patients expressed SBI across individual skills.

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A food color-based colorimetric assay for laccase activity.

Microbiol Spectr

August 2024

Department of Molecular Microbiology and Immunology, Johns Hopkins School of Public Health, Baltimore, Maryland, USA.

is a fungal pathogen that causes cryptococcosis primarily in immunocompromised patients, such as those with HIV/AIDS. One survival mechanism of during infection is melanin production, which catalyzed by laccase and protects fungal cells against immune attack. Hence, the comparative assessment of laccase activity is useful for characterizing cryptococcal strains.

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Article Synopsis
  • SLURP1 and SLURP2 are proteins linked to a skin condition called Mal de Meleda (MdM), which causes painful thickening of skin on the palms and soles due to genetic mutations.
  • Mouse models lacking SLURP1 or SLURP2 exhibit similar skin thickening and show increased pain sensitivity to touch and temperature.
  • The study found that these mice have changes in skin immune response and nerve activity, suggesting they could help in developing treatments for pain related to this skin condition.
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and are both known urease producers and have the potential to cause hyperammonemia. We hypothesized that the risk of hyperammonemia is increased by renal failure, burden of cryptococcal infection, and fungal strain characteristics. We performed a retrospective review of plasma ammonia levels in patients with cryptococcal infections.

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Uptake of PrEP remains suboptimal, especially in the Southern United States. Same-day or "Rapid PrEP Initiatives" (RPIs) in sexual health centers (SHCs) could facilitate access and overcome barriers to PrEP. We studied the adaptation of an RPI from Denver, Colorado to an SHC in New Orleans, Louisiana.

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Background: In initial COVID-19 clinical trials, menstrual health was not formally monitored, yet anecdotal reports of menstruation changes surfaced on social media. This study aims to assess the association between COVID-19 vaccines and menstruation using Clue, a period-tracking application.

Study Design: A survey assessing demographics, menstrual health, stress levels, and COVID-19 vaccination was sent to Clue users between 12/7/2021 and 2/9/2022.

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Cluster analysis of cancer knowledge, attitudes and behaviors in the Moroccan population.

BMC Cancer

June 2024

Nutrition and Metabolism Branch, International Agency for Research On Cancer, Lyon, France.

Background: Cancer has become a major health concern due to the increasing morbidity and mortality rates, and its negative social, economic consequences and the heavy financial burden incurred by cancer patients. About 40% of cancers are preventable. The aim of this study was to assess the knowledge, attitudes, and practices regarding cancer prevention, and associated characteristics to inform the development of targeted cancer prevention campaigns and policies.

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Tackling late-life homelessness in Canada.

CMAJ

May 2024

Division of Geriatric Medicine (Alston, Straus), St. Michael's Hospital; Department of Medicine (Alston), University of Toronto; Knowledge Translation Program (Baral), Li Ka Shing Knowledge Institute, Unity Health Toronto, Toronto, Ont.; Department of Epidemiology (Baral, Straus), Johns Hopkins School of Public Health, Baltimore, Md.; Department of Emergency Medicine (Orkin), St. Joseph's Health Centre, Unity Health Toronto; Dalla Lana School of Public Health (Orkin), University of Toronto, Toronto, Ont.

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COVID-19 created acute demands on health resources in jails and prisons, burdening health care providers and straining capacity. However, little is known about how carceral decision-makers balanced the allocation of scarce resources to optimize access to and quality of care for incarcerated individuals. This study analyzes a national sample of semi-structured interviews with health care and custody officials ( = 32) with decision-making authority in 1 or more carceral facilities during the COVID-19 pandemic.

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The use of face masks has been widely promoted and at times mandated to prevent coronavirus disease 2019 (COVID-19). The 2023 publication of an updated Cochrane review on mask effectiveness for respiratory viruses as well as the unfolding epidemiology of COVID-19 underscore the need for an unbiased assessment of the current scientific evidence. It appears that the widespread promotion, adoption, and mandating of masking for COVID-19 were based not primarily on the strength of evidence for effectiveness but more on the imperative of decision-makers to act in the face of a novel public health emergency, with seemingly few good alternatives.

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Background: Standardizing cerebrospinal fluid (CSF) laboratory protocols will improve the reliability and availability of clinical biomarker testing required for prescription of novel Alzheimer disease (AD) therapies. This study evaluated several preanalytical handling and storage factors common to β-amyloid1-42 (Aβ1-42), β-amyloid1-40 (Aβ1-40), and phosphorylated tau (pTau181) concentrations including storage at different temperatures, extended cap contact, various mixing methods, and multiple freeze-thaw cycles.

Methods: Aβ1-42, Aβ1-40, and pTau181 concentrations were measured using LUMIPULSE G1200 automated assays.

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An Initial Psychometric Evaluation of a Novel Upper Extremity Pediatric Stroke Hemiplegic Motor Impairment Scale.

Pediatr Neurol

July 2024

Kennedy Krieger Institute, Baltimore, Maryland; Department of Physical Medicine and Rehabilitation, Johns Hopkins Medicine, Baltimore, Maryland; Department of Pediatrics, Johns Hopkins Medicine, Baltimore, Maryland.

Background: Our team designed an innovative, observation-based motor impairment measure-the Pediatric Stroke Hemiplegic Motor Impairment Scale (Pedi HEMIs). Here we present the results of a survey describing common practices in the pediatric stroke community and the initial psychometric properties of the upper extremity subscale of the Pedi HEMIs (Pedi HEMIs-UE).

Methods: This is a cross-sectional study whereby participants completed a battery of assessments including the novel Pedi HEMIs-UE.

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Methylation of the chromatin modifier KMT2D by SMYD2 contributes to therapeutic response in hormone-dependent breast cancer.

Cell Rep

May 2024

Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD 21231, USA; Department of Biochemistry and Molecular Biology, Johns Hopkins School of Public Health, Baltimore, MD 21205, USA. Electronic address:

Activating mutations in PIK3CA are frequently found in estrogen-receptor-positive (ER+) breast cancer, and the combination of the phosphatidylinositol 3-kinase (PI3K) inhibitor alpelisib with anti-ER inhibitors is approved for therapy. We have previously demonstrated that the PI3K pathway regulates ER activity through phosphorylation of the chromatin modifier KMT2D. Here, we discovered a methylation site on KMT2D, at K1330 directly adjacent to S1331, catalyzed by the lysine methyltransferase SMYD2.

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Background: Identifying the characteristics of individuals who demonstrate response to an intervention allows us to predict who is most likely to benefit from certain interventions. Prediction is challenging in rare and heterogeneous diseases, such as primary progressive aphasia (PPA), that have varying clinical manifestations. We aimed to determine the characteristics of those who will benefit most from transcranial direct current stimulation (tDCS) of the left inferior frontal gyrus (IFG) using a novel heterogeneity and group identification analysis.

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Background: COVID-19 stay-at-home orders and research restrictions halted recruitment and follow-up of clinical research patients. Although clinical research has resumed, it is an open question whether research participation has returned to levels similar to those before COVID-19.

Methods: We used data from the TECH-PN (NCT No.

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Fragile science.

mBio

May 2024

Departments of Laboratory Medicine, Pathology and Microbiology, University of Washington, Seattle, Washington, USA.

Science currently faces major external and internal threats. External threats include persistent anti-science attacks, the post-pandemic politicization of public health, and chronic underfunding. Internal threats include a proliferation of low-quality studies, an epidemic of retractions, and questions regarding the reproducibility of important research findings.

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Objective: The National Survey on Drug Use and Health (NSDUH), as the primary source of epidemiological substance use data in the United States, could illuminate trends in fentanyl use behaviors contributing to the opioid overdose crisis. We hypothesized that the trend in NSDUH prevalence of lifetime fentanyl injection would match the direction and magnitude of the trend in synthetic opioid overdose deaths.

Method: Using logistic regression, we modeled the 2015-2020 trend in synthetic opioid overdose deaths as a proportion of all deaths.

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This statement provides guidance for diabetes care in detention facilities. It focuses on areas where the processes for delivery of care to people with diabetes in detention facilities may differ from those in the community, and key points are made at the end of each section. Areas of emphasis, which inform multiple aspects discussed in this statement, include 1) timely identification or diagnosis of diabetes treatment needs and continuity of care (at reception/intake, during transfers, and upon discharge), 2) nutrition and physical activity, 3) timely access to diabetes management tools (insulin, blood glucose monitoring, tracking data, current diabetes management technologies, etc.

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Epigenetic mechanisms of cancer progression and therapy resistance in estrogen-receptor (ER+) breast cancer.

Biochim Biophys Acta Rev Cancer

May 2024

Sidney Kimmel Comprehensive Cancer Center and Department of Oncology, Johns Hopkins University, Baltimore, MD, USA; Department of Biochemistry and Molecular Biology, Johns Hopkins School of Public Health, Baltimore, MD, USA. Electronic address:

Estrogen receptor-positive (ER+) breast cancer is the most frequent breast cancer subtype. Agents targeting the ER signaling pathway have been successful in reducing mortality from breast cancer for decades. However, mechanisms of resistance to these treatments arise, especially in the metastatic setting.

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Introduction: Leishmaniasis comprises a complex group of diseases caused by protozoan parasites from the genus, presenting a significant threat to human health. Infection starts by the release into the skin of metacyclic promastigote (MP) form of the parasite by an infected sand fly. Soon after their release, the MPs enter a phagocytic host cell.

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