34,444 results match your criteria: "Hawaii; and Scripps Memorial Hospital La Jolla W.B.[Affiliation]"

The anaplastic lymphoma kinase (ALK) gene plays crucial roles in both normal brain development and oncogenesis, particularly in non-small cell lung cancer (NSCLC). Metastatic ALK-positive NSCLC is characterized by ALK tyrosine kinase domain rearrangements, prompting the use of ALK tyrosine kinase inhibitors (TKIs) to target the mutation. While first-line treatment options include alectinib, brigatinib, and lorlatinib per National Comprehensive Cancer Network (NCCN) guidelines, therapeutic challenges arise in cases of disease progression.

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The novel marine factor 3,5-dihydroxy-4-methoxybenzyl alcohol exhibits anticancer activity by regulating multiple signaling pathways in human glioblastoma cells: Blocking EGF signaling.

Chem Biol Interact

December 2024

Watanabe Oyster Laboratory Co. Ltd., 490-3, Shimoongata-cho, Hachioji, 192-0154, Tokyo, Japan; Graduate School of Science and Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan; Faculty of Health Sciences, Hokkaido University, Sapporo, 060-0812, Japan.

Glioblastoma is the most common adult malignant brain tumor. This tumor is aggressive and the most lethal. Trials to improve the outcome of patients with this tumor remain critical.

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Menopausal users of hormone replacement therapy (HRT) are at increased breast cancer risk and decreased colorectal cancer (CRC) risk compared with individuals who have never used HRT, but these opposing associations may differ by familial risk of breast cancer and CRC. We harmonized data from 3 cohorts and generated separate breast cancer and CRC familial risk scores based on cancer family history. We defined moderate or strong family history as a risk score of 0.

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Background: Posttraumatic osteoarthritis (PTOA) after anterior cruciate ligament injury and reconstruction (ACLR) is a prevalent cause of long-term disability. Few studies have compared the effect of ACLR timing on the development of PTOA.

Purpose/hypothesis: The purpose of this study was to compare the rate of PTOA at a long-term follow-up between patients who underwent early ACLR (<21 days after injury) versus delayed ACLR (>6 weeks after injury).

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Functional MRI (fMRI) is an important tool for non-invasive studies of brain function. Over the past decade, multi-echo fMRI methods that sample multiple echo times has become popular with potential to improve quantification. While these acquisitions are typically performed with Cartesian trajectories, non-Cartesian trajectories, in particular spiral acquisitions, hold promise for denser sampling of echo times.

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Does manganese influence grass litter decomposition on a Hawaiian rainfall gradient?

Oecologia

December 2024

Stanford University Department of Earth System Science, Yang and Yamazaki Environment and Energy Bldg 140, 437 Via Ortega, Stanford, CA, 94305, USA.

Plant litter is a well-defined pool of organic matter (OM) in which the influence of manganese (Mn) on decomposition (both decomposition rate and the mix of compounds ultimately transferred to soil OM) has been clearly demonstrated in temperate forests. However, no similar study exists on grasslands and the effect of foliar Mn versus soil-derived Mn on litter decomposition is poorly known. We used a 5-month and 12-month field, and 10-month laboratory experiments to evaluate litter decomposition on the Kohala rainfall gradient (Island of Hawai'i) in areas with different foliar and soil Mn abundances, and on which a single plant species (Pennisetum clandestinum) dominates primary production and the litter pool.

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The flat mite, Brevipalpus yothersi (Baker, 1949) is widely distributed in the southern United States. This mite is associated with a citrus leprosis virus ((CiLV-C2) Cilevirus colombiaense strain hibiscus) infecting ornamental hibiscus (Hibiscus rosa-sinensis) in Florida and Hawaii. Because hibiscus is a highly traded ornamental plant, CiLV-C2 has the potential to spread.

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Formal assessment of What Matters in end-of-life care is often done in medical settings through legal forms. Past research indicates that Native Hawaiians are less likely to complete these forms than Whites. The purpose of this study was to explore health care preferences among Native Hawaiian elders and to identify cultural themes that may impact quality care at end of life.

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Maternal investment, body condition and calf growth in humpback whales.

J Physiol

December 2024

Marine Mammal Research Program, Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Kāne'ohe, Hawai'i, USA.

Given recent declines in North Pacific humpback whale (Megaptera novaeangliae) reproductive output and calf survival, there is additional urgency to better understand how mother-calf pairs allocate energy resources across their migratory cycle. Here, unoccupied aerial system (UAS; or drone) photogrammetry was used to quantify the body size and condition (BC) of humpback whales on their Hawai'i (HI) breeding and Southeast Alaska (SEAK) feeding grounds. Between 2018 and 2022, we collected 2410 measurements of 1659 individuals.

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Intrinsic and environmental drivers of pairwise cohesion in wild Canis social groups.

Ecology

December 2024

Wildlife Research and Monitoring Section, Ministry of Natural Resources and Forestry, Peterborough, Ontario, Canada.

Animals within social groups respond to costs and benefits of sociality by adjusting the proportion of time they spend in close proximity to other individuals in the group (cohesion). Variation in cohesion between individuals, in turn, shapes important group-level processes such as subgroup formation and fission-fusion dynamics. Although critical to animal sociality, a comprehensive understanding of the factors influencing cohesion remains a gap in our knowledge of cooperative behavior in animals.

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Neighborhood Racial and Ethnic Composition Typology and Breast Cancer Risk: The Multiethnic Cohort Study.

Am J Epidemiol

December 2024

Department of Epidemiology and Biostatistics, School of Medicine, University of California San Francisco, San Francisco, California, United States.

Living in racially and ethnically segregated neighborhoods may increase the risk of breast cancer. We examined associations between neighborhood racial and ethnic composition typology and incident primary invasive breast cancer risk in a population-based sample of 102,615 African American/Black, Japanese American, Native Hawaiian, Latino, and White females residing in California and Hawaii from the Multiethnic Cohort (MEC) study between 1993-2019. Hazard ratios (HRs) and 95% confidence intervals (CI) were estimated using multivariable Cox proportional hazards regression.

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Development of artificial intelligence (AI) for medical imaging demands curation and cleaning of large-scale clinical datasets comprising hundreds of thousands of images. Some modalities, such as mammography, contain highly standardized imaging. In contrast, breast ultrasound imaging (BUS) can contain many irregularities not indicated by scan metadata, such as enhanced scan modes, sonographer annotations, or additional views.

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Energetic cost of gestation and prenatal growth in humpback whales.

J Physiol

December 2024

Marine Mammal Research Program, Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Kāne'ohe, HI, USA.

Improving our understanding of energy allocation in reproduction is key for accurately parameterizing bioenergetic models to assess population responses to environmental perturbations and anthropogenic disturbance. We quantified the energetic cost of gestation in humpback whales (Megaptera novaeangliae) using historical whaling records, non-invasive unoccupied aerial system (UAS) photogrammetry and post mortem tissue samples. First, we estimated relative birth size using body length measurements of 678 mother-fetus pairs from historical whaling records and 987 mother-calf pairs measured in situ using UAS-photogrammetry.

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one of the most aggressive pectinolytic phytopathogens, causes blackleg disease in potatoes, resulting in significant economic losses and adversely impacting one of the world's most important food crops. The diagnostics methods are critical in monitoring the latent infection for international trade of potato seed tubers and in implementation of control strategies. Our study employed a whole-genome comparative approach, identifying unique target gene loci (LysR and TetR family of transcriptional regulators gene regions) and designing loop-mediated isothermal amplification (LAMP) and a multi-gene-based multiplex TaqMan qPCR assays for specific detection and differentiation of .

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Marine microorganisms play a critical role in regulating atmospheric CO concentration via the biological carbon pump. Deposition of continental mineral dust on the sea surface increases carbon sequestration but the interaction between minerals and marine microorganisms is not well understood. We discovered that the interaction of clay minerals with dissolved organic matter and a γ-proteobacterium in seawater increases Transparent Exopolymer Particle (TEP) concentration, leading to organoclay floc formation.

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Murine typhus: a re-emerging rickettsial zoonotic disease.

J Vector Ecol

December 2024

Urban and Public Health Entomology Program, Department of Agricultural Science and Plant Protection, Mississippi State University, Mississippi State, MS 39762 U.S.A.

Murine typhus, caused by , is re-emerging in many parts of the world. The disease is also called endemic typhus to differentiate from epidemic typhus (caused by ), and sometimes also named flea-borne typhus. Occasionally, literature sources will include as a causative agent of flea-borne typhus, but illnesses caused by are actually flea-borne spotted fever.

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Analysis of Physical Activity Using Wearable Health Technology in US Adults Enrolled in the All of Us Research Program: Multiyear Observational Study.

J Med Internet Res

December 2024

Division of Cancer Prevention and Control, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States.

Background: To date, no studies have examined adherence to the 2018 Physical Activity Guidelines for Americans (PAGA) in real-world longitudinal settings using objectively measured activity monitoring data. This study addresses this gap by using commercial activity monitoring (Fitbit) data from the All of Us dataset.

Objective: The primary objectives were to describe the prevalence of adherence to the 2018 PAGA and identify associated sociodemographic determinants.

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Investigating the binding of fluorescent probes to a trypanosomal-tRNA synthetase: A fluorescence spectroscopic and molecular dynamics study.

Arch Biochem Biophys

December 2024

Department of Biotechnology and Dr. B. C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, India. Electronic address:

Given the high prevalence of Chagas disease in the Americas, we targeted the unique arginyl-tRNA synthetase of its causative agent Trypanosoma cruzi. Among their many possible uses, naphthalene-derived fluorescent ligands, such as ANS and bis-ANS, may be employed in pharmacokinetic research. Although ANS and bis-ANS have become prominent fluorescent probes for protein characterization, the structural and spectroscopic characteristics of protein-ANS/bis-ANS complexes remain largely unknown.

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Background: Improved health outcomes and lower costs have been reported with pharmacist-led patient-centered approaches to medication optimization in older adults, but heterogeneity in studies has complicated assessments of how well these approaches have worked. Among the challenges in advancing care from patient-centered research is uncertainty in how well research questions have matched patients' care needs. One strategy is to engage patients, ideally as equal partners, in the preparation, execution, and dissemination of research.

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Small bodies are capable of delivering essential prerequisites for the development of life, such as volatiles and organics, to the terrestrial planets. For example, empirical evidence suggests that water was delivered to the Earth by hydrated planetesimals from distant regions of the Solar System. Recently, several morphologically inactive near-Earth objects were reported to experience significant nongravitational accelerations inconsistent with radiation-based effects, and possibly explained by volatile-driven outgassing.

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Background: The IRONMAN® (IM) triathlon is a popular multi-sport, where age group athletes often strive to qualify for the IM World Championship in Hawaii. The aim of the present study was to investigate the location of the fastest IM racecourses for age group IM triathletes. This knowledge will help IM age group triathletes find the best racecourse, considering their strengths and weaknesses, to qualify.

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Climate change is one of the largest threats to grassland plant species, which can be modified by land management. Although climate change and land management are expected to separately and interactively influence plant demography, this has been rarely considered in climate change experiments. We used a large-scale experiment in central Germany to quantify the effects of grassland management, climate change, and their joint effect on the demography and population growth rate of 11 plant species all native to this temperate grassland ecosystem.

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Amelioration of Melasma Using Quantum Molecular Resonance.

J Cosmet Dermatol

December 2024

Division of Endocrinology and Metabolism, Department of Medicine, The Catholic University of Korea, Seoul, Korea.

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Article Synopsis
  • Researchers used ROVs with HD cameras to study bamboo corals in the North Atlantic and North Pacific, observing two distinct colony forms: one resembling a tall candelabrum and the other looking like a standing trident.
  • Genetic analysis revealed that both forms represent the same species in different growth stages.
  • The study introduces a new genus and species, Tridentisis candelabrum, to classify these unique coral morphologies, detailing their variation across different locations.
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