Publications by authors named "J-J Kim"

(Homo)acetogens, including Clostridium spp., represent an enigma in metabolic flexibility and diversity. Eubacterium callanderi KIST612 is an acetogen that produces n-butyrate with carbon monoxide (CO) as the carbon and energy source; however, the production route is unknown.

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Background: The COVID-19 pandemic involved business closures (e.g., gyms), social distancing policies, and prolonged stressful situations that may have impacted engagement in health behaviors.

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Objective: To report a patient with McCune-Albright syndrome (MAS) with bilateral ovarian involvement who had achieved a pregnancy through in vitro fertilization (IVF).

Design: Case report.

Setting: Academic fertility center.

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Interleukin-6 (IL-6) expression in mesenchymal stem cells (MSCs) has been shown to play a pivotal role in modulating cartilage regeneration and immune responses, particularly in the context of diseases that involve both degenerative processes and inflammation, such as osteoarthritis (OA). However, the precise mechanism through which IL-6 and other immune-regulatory factors influence the therapeutic efficacy of autologous adipose-derived stem cells (ASCs) transplantation in OA treatment remains to be fully elucidated. This study aims to investigate the relationship between IL-6 expression in autologous ASCs isolated from OA patients and their impact on immune modulation, particularly focusing on the regulation of Receptor Activator of Nuclear factor Kappa-Β Ligand (RANKL), a key mediator of immune-driven cartilage degradation in OA.

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Uric acid (UA), a metabolite of purine and fructose metabolism, is linked to inflammation and metabolic disorders, including gout and cardiovascular disease. Its pro-inflammatory effects are largely driven by the activation of the nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome, leading to increased cytokine production. Beta-hydroxybutyrate (BHB), a ketone produced during fasting or carbohydrate restriction, has been shown to reduce inflammation.

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In surgical stabilization of rib fractures (SSRF), the current standard relies on preoperative CT imaging and often incorporates ultrasound (US) imaging. As an alternative, mixed reality (MR) technology holds promise for improving rib fracture localization. This study presents an MR-based visualization system designed for SSRF in a clinical setting.

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Asthma is a chronic lung disease characterized by airway inflammation, hyperresponsiveness, and narrowing, with a risk of life-threatening attacks. Most current treatments primarily consist of inhalable steroids, which are not without adverse effects. Recently, there has been growing interest in alternative approaches to asthma management.

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This report represents the conclusions of 15 experts in nephrology and endocrinology, based on their knowledge of key studies and evidence in the field, on the role of continuous glucose monitors (CGMs) in patients with diabetes and chronic kidney disease (CKD), including those receiving dialysis. The experts discussed issues related to CGM accuracy, indications, education, clinical outcomes, quality of life, research gaps, and barriers to dissemination. Three main goals of management for patients with CKD and diabetes were identified: (1) greater use of CGMs for better glycemic monitoring and management, (2) further research evaluating the accuracy, feasibility, outcomes, and potential value of CGMs in patients with end-stage kidney disease (ESKD) on hemodialysis, and (3) equitable access to CGM technology for patients with CKD.

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  • This study explores how a deep learning technique to reduce CT scan slice thickness from 5 mm to 1 mm can improve the detection of lung nodules by computer-aided detection (CAD) systems.
  • The retrospective analysis of 687 chest CT scans showed a significant increase in CAD performance, with the area under the receiver operating characteristic curve rising from 0.867 to 0.902 and nodule-level sensitivity improving from 0.826 to 0.916.
  • The findings suggest that using 1 mm CT scans not only enhances detection rates, particularly for smaller nodules, but also provides better clarity in identifying nodules compared to the 5 mm scans, making it beneficial for clinical practice.
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Genomic profiling often fails to predict therapeutic outcomes in cancer. This failure is, in part, due to a myriad of genetic alterations and the plasticity of cancer signaling networks. Functional profiling, which ascertains signaling dynamics, is an alternative method to anticipate drug responses.

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Candida albicans (C. albicans) is the primary etiologic agent of vaginal candidiasis. Lactobacillus species are predominant in the vaginal microbiome; they inhibit the development of vaginal candidiasis by producing antimicrobial agents, such as lactic acid and hydrogen peroxide.

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Purpose: Patients with relapsed or refractory (R/R) peripheral T-cell lymphoma (PTCL) generally have poor prognoses and limited treatment options. This study evaluated the efficacy of a novel CD30/CD16A bispecific innate cell engager, acimtamig (AFM13), in patients with R/R PTCL.

Patients And Methods: Patients included those with CD30 expression in ≥1% of tumor cells and who were R/R following ≥1 prior line of systemic therapy.

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A robust analytical method was developed for the simultaneous detection of 504 pesticide multiresidues in various crops using ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UHPLC-QTOF). The method integrates both MS and MS levels through sequential window acquisition of all theoretical mass spectra (SWATH) analysis, allowing for accurate mass measurements and the construction of a spectral library to enhance pesticide residue identification. An evaluation of the method was carried out according to international standards, including the FAO guidelines and SANTE/11312/2021.

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  • * Out of 31 patients, 55% showed a significant drop in tumor activity (major pathologic response), along with increased immune cell presence in the tumors.
  • * Findings indicate that this combination therapy not only activates various immune responses but is also linked to specific genetic markers in immune cells and changes in gut microbiota, suggesting potential pathways for enhancing treatment outcomes.
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  • Generalized pustular psoriasis (GPP) is a rare and serious skin condition characterized by pustules and systemic symptoms, with differences in genetic mutations affecting its presentation and treatment among various ethnic groups.
  • A modified Delphi panel study involving dermatology experts from the Asia-Pacific region aimed to establish a consensus on GPP management due to limited existing evidence and information.
  • The panel reached agreement on 106 key statements addressing GPP’s definition, diagnosis, treatment strategies, and flare severity, creating treatment algorithms to assist clinicians in making informed decisions.
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Purpose: To describe the outcomes of hyperbaric oxygen therapy (HBOT) for patients with central retinal artery occlusion (CRAO) at a single tertiary care center.

Design: Retrospective clinical cohort study.

Methods: Medical records of all patients diagnosed with CRAO who received HBOT at Mayo Clinic in Rochester, Minnesota from January 1, 2009 to December 31, 2020 were reviewed to confirm diagnosis, time from onset to presentation, exam findings, treatments, and follow-up data.

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  • Atezolizumab-bevacizumab is a common first treatment for liver cancer that can't be removed by surgery.
  • Researchers studied how different causes of liver disease, like viruses or metabolism issues, affect the treatment's effectiveness on 390 patients.
  • They found that the treatment worked similarly well for everyone, but patients with worse liver function before treatment had less chance of getting more therapy after the disease got worse.
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  • Oncolytic viruses (OVs) are being explored as a treatment in immuno-oncology, but late-stage trials have faced challenges.
  • A retrospective analysis of vaccinia oncolytic virus (VOV) trials showed that lower doses may lead to better tumor responses and longer survival rates.
  • The study suggests a link between increased OV-induced neutrophils and poor outcomes, highlighting the need for better understanding of these immune cells and the importance of dose optimization in VOV clinical development.
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Background: Impaired left ventricular relaxation, high filling pressures, and dysregulation of Ca homeostasis are common findings contributing to diastolic dysfunction in hypertrophic cardiomyopathy (HCM). Studies have shown that impaired relaxation is an early observation in the sarcomere-gene-positive preclinical HCM cohort, which suggests the potential involvement of myofilament regulators in relaxation. A molecular-level understanding of mechanism(s) at the level of the myofilament is lacking.

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  • 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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Rationale And Objectives: In this preliminary study, we aimed to develop a deep learning model using ultrasound single view cines that distinguishes between imaging of normal gallbladder, non-urgent cholelithiasis, and acute calculous cholecystitis requiring urgent intervention.

Methods: Adult patients presenting to the emergency department between 2017-2022 with right-upper-quadrant pain were screened, and ultrasound single view cines of normal imaging, non-urgent cholelithiasis, and acute cholecystitis were included based on final clinical diagnosis. Longitudinal-view cines were de-identified and gallbladder pathology was annotated for model training.

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Purpose: To evaluate the clinical characteristics and management of patients with an anteriorly and nasally inserted superior oblique tendon.

Design: Retrospective interventional case series.

Methods: Institutional clinical records between 2020 and 2024 were retrospectively reviewed for 9 consecutive patients in whom the superior oblique (SO) tendon was inserted anterior to the equator and nasal to the superior rectus muscle.

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  • LK-99, initially claimed to be a room temperature superconductor, was found to actually be a wide gap insulator, but still shows interesting electron correlation phenomena.
  • Depending on how copper is doped and the crystal structure, LK-99 displays either singular or entangled flat electron bands crossing the Fermi level, leading to complex behaviors.
  • The study identifies charge-transfer Mott insulating states and non-Fermi liquid behaviors in LK-99, aligning with existing experimental data and suggesting potential for exploring correlation physics, regardless of superconductivity.
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Background: Neoadjuvant chemotherapy followed by radical cystectomy is the standard treatment for cisplatin-eligible patients with muscle-invasive bladder cancer. Adding perioperative immunotherapy may improve outcomes.

Methods: In this phase 3, open-label, randomized trial, we assigned, in a 1:1 ratio, cisplatin-eligible patients with muscle-invasive bladder cancer to receive neoadjuvant durvalumab plus gemcitabine-cisplatin every 3 weeks for four cycles, followed by radical cystectomy and adjuvant durvalumab every 4 weeks for eight cycles (durvalumab group), or to receive neoadjuvant gemcitabine-cisplatin followed by radical cystectomy alone (comparison group).

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