Publications by authors named "Kim Lee"

Recent advances in mass transfer technology are expected to bring next-generation micro light-emitting diodes (µLED) displays into reality, although reliable integration of the active-matrix backplane with the transferred µLEDs remains as a challenge. Here, the µLED display technology is innovated by demonstrating pixel circuit-integrated micro-LEDs (PIMLEDs) and integrating them onto a transparent glass substrate. The PIMLED comprises of low-temperature poly-silicon transistors and GaN µLED.

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Background: Chemo-endocrine therapy can lead to various side effects associated with ovarian dysfunction. Predicting menstrual recovery is necessary to discuss the treatment-related issues regarding fertility and premature menopause with patients.

Methods: In the ASTRRA trial, patients who resumed ovarian function within 2 years after chemotherapy were randomized to receive tamoxifen for 5 years or OFS with tamoxifen for 2 years.

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Aim: To investigate the influence of contextual framing on physio- and occupational therapists' clinical reasoning in sensory rooms for patients admitted to psychiatric units.

Material And Method: Physiotherapists and occupational therapists from acute and intensive care units with sensory rooms were invited to participate in the study. The therapists were interviewed following sessions with patients in sensory rooms, using a semi-structured interview guide.

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Background: Mediation analysis, often completed as secondary analysis to estimating the main treatment effect, investigates situations where an exposure may affect an outcome both directly and indirectly through intervening mediator variables. Although there has been much research on power in mediation analyses, most of this has focused on the power to detect indirect effects. Little consideration has been given to the extent to which the strength of the mediation pathways, i.

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Rheumatoid arthritis (RA) is an autoimmune disease characterized by joint inflammation and swelling. Several studies have demonstrated that RA fibroblast-like synovial cells (RA-FLS) play an important role in RA pathogenesis. Activated RA-FLS contribute to synovial inflammation by secreting inflammatory cytokines including interleukin (IL)-1β, IL-6 and tumor necrosis factor-α.

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Background: A platform trial approach allows adding arms to on-going trials to speed up intervention discovery programs. A control arm remains open for recruitment in a platform trial while intervention arms may be added after the onset of the study and could be terminated early for efficacy and/or futility when early stopping is allowed. The topic of utilising non-concurrent control data in the analysis of platform trials has been explored and discussed extensively.

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The surge in RNA therapeutics has revolutionized treatments for infectious diseases like COVID-19 and shows the potential to expand into other therapeutic areas. However, the typical requirement for ultra-cold storage of mRNA-LNP formulations poses significant logistical challenges for global distribution. Lyophilization serves as a potential strategy to extend mRNA-LNP stability while eliminating the need for ultra-cold supply chain logistics.

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Buch-Ham, a perennial woody vine belonging to the Piperaceae family, is traditionally used in Southeast Asia for treating various ailments such as malaria, headache, and hepatitis. This study described the isolation and identification of three new compounds, piperamides I-III (-), which belong to the maleimide-type alkaloid skeletons, along with fifteen known compounds (-) from the methanol extract of the aerial parts of . Their chemical structures were elucidated using spectroscopic methods (UV, IR, ESI-Q-TOF-MS, and 1D/2D NMR).

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In clinical settings with no commonly accepted standard-of-care, multiple treatment regimens are potentially useful, but some treatments may not be appropriate for some patients. A personalized randomized controlled trial (PRACTical) design has been proposed for this setting. For a network of treatments, each patient is randomized only among treatments which are appropriate for them.

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Background: IA-0130 is a derivative of 3-(1,3-diarylallylidene)oxindoles, which is a selective estrogen receptor modulator (SERM). A previous study demonstrated that SERM exhibits anti-inflammatory effects on colitis by promoting the anti-inflammatory phenotype of monocytes in murine colitis. However, the therapeutic effects of oxindole on colitis remain unknown.

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Background & Aims: Metabolic dysfunction-associated steatohepatitis (MASH) is characterized by excessive circulating toxic lipids, hepatic steatosis, and liver inflammation. Monocyte adhesion to liver sinusoidal endothelial cells (LSECs) and transendothelial migration (TEM) are crucial in the inflammatory process. Under lipotoxic stress, LSECs develop a proinflammatory phenotype known as endotheliopathy.

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Hepatorenal syndrome-acute kidney injury (HRS-AKI) is associated with significant morbidity and mortality. While liver transplantation is the definitive treatment, continuous terlipressin infusion for HRS-AKI may provide benefit and, as such, was assessed in a population composed of candidates for liver transplant (LT). Fifty hospitalized LT-eligible patients with HRS-AKI received a single bolus followed by continuous terlipressin infusion.

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Mirrors for atoms and molecules are essential tools for matter-wave optics with neutral particles. Their realization has required either a clean and atomically smooth crystal surface, sophisticated tailored electromagnetic fields, nanofabrication, or particle cooling because of the inherently short de Broglie wavelengths and strong interactions of atoms with surfaces. Here, we demonstrate reflection of He atoms from inexpensive, readily available, and robust gratings designed for light waves.

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Lipid nanoparticles (LNPs) are being intensively researched and developed to leverage their ability to safely and effectively deliver therapeutics. To achieve optimal therapeutic delivery, a comprehensive understanding of the relationship between formulation, structure, and efficacy is critical. However, the vast chemical space involved in the production of LNPs and the resulting structural complexity make the structure to function relationship challenging to assess and predict.

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Medium-sized rings (8-11-membered cycles) are often more challenging to synthesize than smaller rings (5-7-membered cycles) due to ring strain. Herein, we report a catalytic method for forming 8- and 9-membered rings that proceeds via the intramolecular Friedel-Crafts reactions of vinyl carbocation intermediates. These reactive species are generated catalytically through the ionization of vinyl toluenesulfonates by a Lewis acidic lithium cation-weakly coordinating anion salt.

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The structural determination of natural products (NPs) can be arduous because of sample heterogeneity. This often demands iterative purification processes and characterization of complex molecules that may be available only in miniscule quantities. Microcrystal electron diffraction (microED) has recently shown promise as a method to solve crystal structures of NPs from nanogram quantities of analyte.

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Article Synopsis
  • This study explores how regulatory T cells (Tregs) behave in inflammatory bowel diseases like Crohn's disease, focusing on their metabolic processes that impact gut homeostasis.
  • Researchers used various advanced techniques (like electron microscopy and mass cytometry) to analyze Tregs' cellular structures and functions in humans and murine models of colitis.
  • Key findings show that inhibiting a specific protein (VDAC1) disrupts Treg metabolism and increases sensitivity to inflammation, while manipulating metabolic pathways can restore proper Treg function and potentially inform new therapeutic strategies for inflammatory diseases.
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Interleukin-2 (IL-2) induces contrasting immune responses depending on its binding receptor subunit; thus, selective receptor binding is considered a key challenge in cancer therapeutic strategies. In this study, we aimed to investigate the inhibition of IL-2 action and antitumor activity of celastrol (CEL), a compound identified in a screen for IL-2/CD25 binding inhibitors, and to elucidate the underlying role of CEL in immune cells. We found that CEL selectively impairs the binding of IL-2 and CD25 and directly binds to IL-2 but not to CD25.

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Article Synopsis
  • - The study focused on the effects of mammographic breast density reduction (MDR) on treatment outcomes in premenopausal women with estrogen receptor-positive breast cancer who received either tamoxifen alone or in combination with ovarian function suppression (OFS).
  • - Results from the ASTRRA trial showed that while the rate of MDR positivity was similar in both treatment groups, patients receiving tamoxifen plus OFS who were MDR-positive experienced significantly better disease-free survival compared to those who were MDR-negative.
  • - The findings highlight the potential importance of MDR as a positive prognostic factor specifically in patients treated with tamoxifen and OFS, suggesting a need for tailored treatment approaches based on MDR status.
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Background: Hepatorenal syndrome-acute kidney injury (HRS-AKI) carries significant morbidity and mortality among those with end-stage liver disease. Bolus terlipressin for treatment of HRS-AKI received FDA approval in September 2022. US implementation of terlipressin, however, is hindered by the paucity of local data on the optimal patient population and administration mode, as well as the effect on transplant priority.

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Understanding how ecological communities assemble is an urgent research priority. In this study, we used a community ecology approach to examine how ecological and evolutionary processes shape biodiversity patterns of plant pathogenic fungi, and . High-throughput screening revealed that the isolates had a wide range of phenotypic variation in stress tolerance traits.

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This study sought to explore the meaning that people with severe mental illnesses attribute to e-health solutions regarding user involvement and encounters with healthcare professionals. A qualitative design with a social phenomenological approach was applied, and data were collected via repeat interviews. Using a purposive sampling strategy, eight people with severe mental illness were interviewed two times between August 2021 to May 2022, at three different treatment sites in southern Denmark.

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Article Synopsis
  • The ASTRRA trial analyzed the long-term effects of adding ovarian suppression (OFS) to tamoxifen (TAM) treatment in young premenopausal women with hormone-sensitive breast cancer.
  • A total of 1,483 women were treated with either TAM alone for 5 years or TAM plus 2 years of OFS after surgery and chemotherapy.
  • Results showed a significant improvement in disease-free survival (DFS) for the TAM + OFS group, with an 8-year DFS rate of 85.4% compared to 80.2% for TAM-only, although overall survival rates were similar between both groups.
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The recent clinical and commercial success of lipid nanoparticles (LNPs) for nucleic acid delivery has incentivized the development of new technologies to manufacture LNPs. As new technologies emerge, researchers must determine which technologies to assess and how to perform comparative evaluations. In this article, we use a quality-by-design approach to systematically investigate how the mixer technology used to form LNPs influences LNPstructure.

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