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Research Letter Open Access
Laura Victoria, Anu S. Maharjan, Julia Kostka, Raphael Assenso-Bediako, Wesley Merkert, Lisa Chirch, Kevin Dieckhaus
Published online February 26, 2025
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00464
Commentary Open Access
Lei Huang, Tong Feng
Published online January 2, 2025
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Exploratory Research and Hypothesis in Medicine. doi:10.14218/ERHM.2024.00700
Systematic Review Open Access
Archana Haria, Jonathon Hill, Kylie J. Mansfield
Published online December 25, 2024
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Oncology Advances. doi:10.14218/OnA.2024.00027
Abstract
Breast cancer is the most common cancer among women, with hormone receptors playing a crucial role, not only in cancer cell growth but also as primary targets in breast cancer treatment. [...] Read more.

Breast cancer is the most common cancer among women, with hormone receptors playing a crucial role, not only in cancer cell growth but also as primary targets in breast cancer treatment. This systematic literature review aimed to summarize the current evidence on estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) discordance rates between primary and recurrent breast cancer. Additionally, it seeks to identify how discordance affects prognosis, metastasis, and the potential evidence of primary tumor heterogeneity.

The databases Web of Science, Scopus, MEDLINE, and PubMed were searched for publications of original research in English from 2013 to 2023. Studies with paired histopathology from primary and recurrent breast cancer that employed immunohistochemistry and fluorescence in situ hybridization were included. Ten studies were deemed eligible for inclusion.

Concordance between primary and recurrent breast cancer was high for ER (80%), PR (65%), and HER2 (85%). Average discordance rates were: ER 19%, PR 34%, and HER2 15%, with PR discordance consistently being the highest. Loss of ER and PR receptors was observed more frequently than gain, while the opposite trend was noted for HER2. Loss of ER and PR was associated with a worse prognosis. Discordance was also observed in cases of tumor metastasis.

Discordance in receptor expression between primary and recurrent breast cancer was common, highlighting the importance of re-biopsy in recurrent or metastatic breast cancer, if possible. Patients who lost hormone receptors experienced worse outcomes, suggesting the development of treatment-resistant tumor clones.

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Original Article Open Access
Xiaomeng Sun, Qiang Chen, Yuan Xiao, Lin Lin, Jiande D.Z. Chen
Published online February 25, 2025
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Journal of Translational Gastroenterology. doi:10.14218/JTG.2024.00029
Abstract
Gastrointestinal complications are common in patients after ischemic stroke. Gastric motility is regulated by gastric pace-making activity (also called gastric myoelectrical activity [...] Read more.

Gastrointestinal complications are common in patients after ischemic stroke. Gastric motility is regulated by gastric pace-making activity (also called gastric myoelectrical activity (GMA)) and autonomic function. The aim of this study was to evaluate GMA, assessed by noninvasive electrogastrography (EGG), and autonomic function, measured via spectral analysis of heart rate variability derived from the electrocardiogram in patients with ischemic stroke.

EGG and electrocardiogram were simultaneously recorded in both fasting and postprandial states in 14 patients with ischemic stroke and 11 healthy controls. Multi-channel surface EGG was used to measure GMA, and autonomic function was evaluated by heart rate variability spectral analysis.

Compared to healthy subjects, patients with ischemic stroke, especially those with a modified Rankin scale ≥ 4, had impaired GMA in both fasting and postprandial states. This included a lower percentage of normal gastric slow waves (the basic rhythmic waves of GMA) and a higher percentage of tachygastria, bradygastria, or arrhythmia. Patients with ischemic stroke also showed a decrease in the dominant frequency and power of the gastric slow waves. Autonomic functions were altered in ischemic stroke patients with a modified Rankin scale ≥ 4, as reflected by increased sympathetic activity and reduced parasympathetic activity.

Gastric pace-making activity is impaired in patients with severe ischemic stroke, as evidenced by a reduced percentage of normal gastric slow waves and a lower frequency of gastric slow waves, likely due to impaired autonomic functions.

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Review Article Open Access
Ozal Beylerli, Elmar Musaev, Chunlei Wang, Irina Popova, Ilgiz Gareev
Published online February 22, 2025
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Gene Expression. doi:10.14218/GE.2024.00069
Abstract
The tumor microenvironment (TME) consists of a complex mix of cellular and non-cellular components, including immune cells, stromal cells, extracellular matrix, cytokines, and growth [...] Read more.

The tumor microenvironment (TME) consists of a complex mix of cellular and non-cellular components, including immune cells, stromal cells, extracellular matrix, cytokines, and growth factors. These elements interact with tumor cells to influence tumorigenesis, growth, invasion, and metastasis. Long noncoding RNAs (lncRNAs)—a class of non-coding RNAs longer than 200 nucleotides—have attracted considerable attention for their roles in regulating gene expression at the epigenetic, transcriptional, and post-transcriptional levels. Emerging evidence suggests that lncRNAs are crucial in shaping the TME by modulating processes such as immune evasion, angiogenesis, metabolic reprogramming, and the maintenance of cancer stem cells. This review provides an overview of the current understanding of lncRNAs in the TME, focusing on their involvement in key signaling pathways and cellular interactions that drive tumor progression. We discussed how lncRNAs contribute to extracellular matrix remodeling, facilitate communication between tumor and stromal cells, and regulate immune cell infiltration and function within the TME. Additionally, we explore the potential of lncRNAs as biomarkers for early cancer detection and prognosis, as well as their promise as therapeutic targets to disrupt tumor-microenvironment crosstalk. The review also addresses challenges in targeting lncRNAs therapeutically, such as ensuring specificity, minimizing off-target effects, and achieving effective in vivo delivery of lncRNA-targeted therapies. Strategies to overcome these challenges include the development of highly specific lncRNA knockout technologies and the use of advanced delivery systems, such as nanoparticles and viral vectors, to precisely target tumor-associated cells. Overall, this review underscores the significant role of lncRNAs in the TME and their potential as novel tools for enhancing cancer diagnosis and treatment. By elucidating the multifaceted roles of lncRNAs in the TME, we aimed to provide insights that could lead to more effective, targeted therapeutic strategies, ultimately advancing cancer research and improving patient care.

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Original Article Open Access
Yali Wan, Yuxin Zhan, Yuanjue Wu, Ping Yao, Yi Chen, Zhaoyu Xiong, Jiaohua Yu, Rong Yan, Suyun Li
Published online December 31, 2024
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Neurosurgical Subspecialties. doi:10.14218/NSSS.2024.00005
Abstract
Proper nutritional management has been shown to reduce complications and lead to better clinical outcomes. However, inaccurate nutritional screening and assessment, inappropriate [...] Read more.

Proper nutritional management has been shown to reduce complications and lead to better clinical outcomes. However, inaccurate nutritional screening and assessment, inappropriate nutrition support, and deviations from suggested guidelines were observed in clinical practice. We aimed to investigate the nutritional status and support of hospitalized patients with neurological diseases to identify deficiencies in nutritional assessment and treatment.

A self-designed questionnaire, developed through a literature review, group discussions, and expert consultation, was converted into an electronic form to conduct a cross-sectional survey in a tertiary-level general hospital. The patients’ basic information and the first nutrition assessment were filled out upon admission. The final nutrition assessment were logged at discharge, transfer out, or death. Two-person cross-entry was used to ensure the accuracy of data input.

A total of 620 patients were enrolled in this study. Of these, 24.4% were at nutritional risk upon admission, and 22.7% were identified as at nutritional risk in the final assessment. There were no statistically significant differences in nutritional status between the first and final assessments, except for serum albumin concentration. A total of 118 patients (19.0%) received nutrition therapy. Complications occurred in 35 (45.5%) patients treated with enteral nutrition and 29 (30.5%) patients treated with parenteral nutrition.

The incidence of nutritional risk in inpatients with neurological diseases enrolled in this study was relatively low. However, nutritional treatment in this study was not sufficiently standardized. Nurses are needed to receive relevant professional training to improve quality of nutritional interventions.

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Original Article Open Access
Xixuan Wang, Shuling Chen, Jing Fan, Yuxiang Gong, Hongli Liu, Lili Wang, Xiaoning Feng, Hui Zhou, Wenquan Zeng, Changhua Yi, Caiyun Zhang, Qingfang Xiong, Hao Ren, Yongfeng Yang
Published online February 25, 2025
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00452
Abstract
Patients with cirrhosis are at an increased risk of bacterial infection (BI), which is the most common precondition for acute-on-chronic liver failure (ACLF). In this study, we [...] Read more.

Patients with cirrhosis are at an increased risk of bacterial infection (BI), which is the most common precondition for acute-on-chronic liver failure (ACLF). In this study, we aimed to evaluate the ability of mitochondria-related indicators (mitochondrial mass and mitochondrial membrane potential (MMP)) of T cells in peripheral blood to predict BI and ACLF within 90 days in cirrhotic patients.

We prospectively studied mitochondria-related indicators in various T cells from 235 cirrhotic patients at the Second Hospital of Nanjing. The outcomes of interest were BI and ACLF.

The restricted cubic spline analysis showed that the MMP of CD8+ T cells had a linear relationship with the risk of BI and ACLF (both P < 0.001). Multivariable Cox regression analysis demonstrated that the MMP of CD8+ T cells was an independent risk factor for both BI and ACLF (BI: hazard ratio 0.96, 95% confidence interval 0.94–0.98; P < 0.001; ACLF: hazard ratio 0.94, 95% confidence interval 0.90–0.97; P < 0.001). The MMP of CD8+ T cells exhibited better diagnostic efficacy than traditional indices in predicting BI (C index: 0.75). The MMP of CD8+ T cells, when combined with traditional models (Child-Turcotte-Pugh and model for end-stage liver disease score), improved their diagnostic efficiency in predicting both BI and ACLF. Additionally, the MMP of CD8+ T cells showed a significant negative correlation with inflammation-related markers (P < 0.05). Mitochondrial damage and abnormally activated mitochondrial autophagy were observed in CD8+ T cells from cirrhotic patients with low MMP.

The MMP of CD8+ T cells could serve as a valuable predictor of BI and ACLF within 90 days in cirrhotic patients.

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Case Report Open Access
Ahmed A. Ahmed, Y. Helen Zhang
Published online January 17, 2025
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Journal of Clinical and Translational Pathology. doi:10.14218/JCTP.2024.00037
Abstract
Leishmaniasis is a systemic parasitic disease that can affect unusual sites such as the lungs. We report a case of a 45-year-old male with human immunodeficiency virus infection [...] Read more.

Leishmaniasis is a systemic parasitic disease that can affect unusual sites such as the lungs.

We report a case of a 45-year-old male with human immunodeficiency virus infection who presented with abdominal pain and vomiting. Imaging studies revealed minimal bilateral ground-glass opacities in the lungs, hepatosplenomegaly, and diffuse lymphadenopathy. A bronchoscopy with bronchoalveolar lavage cytology evaluation showed abundant macrophages containing numerous intracellular organisms with characteristic dot-like kinetoplasts, confirming the diagnosis of Leishmaniasis. Special stains for other infections were negative.

This case highlights the value of bronchoalveolar lavage cytology in diagnosing non-neoplastic lung pathologies, including parasitic infections like Leishmaniasis, thereby enabling prompt and targeted treatment.

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Letter to the Editor Open Access
Ye Chen, Bingyun Lu
Published online March 3, 2025
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Cancer Screening and Prevention. doi:10.14218/CSP.2024.00008S
Case Report Open Access
Xinyu Yu, Weiming Xu
Published online February 28, 2025
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Neurosurgical Subspecialties. doi:10.14218/NSSS.2025.00001
Abstract
Balamuthia mandrillaris is a free-living amoeba that can cause granulomatous amoebic encephalitis, a lethal neurological condition in humans. This pathogen infects not only immunocompromised [...] Read more.

Balamuthia mandrillaris is a free-living amoeba that can cause granulomatous amoebic encephalitis, a lethal neurological condition in humans. This pathogen infects not only immunocompromised hosts but, more commonly, immunocompetent individuals. Balamuthia mandrillaris mainly infects the skin and nervous system. When it affects the nervous system, it can manifest as Balamuthia mandrillaris encephalitis (BAE). This article presents a case of BAE in central China, diagnosed through next-generation sequencing and histopathology. The patient is a 64-year-old male who was admitted to the Department of Neurosurgery with a one-week history of headache. Magnetic resonance imaging scans revealed a mass in the right temporal-occipital region, and postoperative pathological examination confirmed that the lesion was BAE. We will detail the clinical course of this disease in this patient, aiming to enhance clinicians’ understanding of Balamuthia mandrillaris infections.

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