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Case Report Open Access
Miyako Kobayashi, Ko Kudo, Yasuhiro Kazuma, Naoyuki Anzai, Yutaka Shimazu, Shinsaku Imashuku
Published online June 25, 2024
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Oncology Advances. doi:10.14218/OnA.2024.00011
Abstract
Erdheim-Chester Disease (ECD) is a type of systemic histiocytosis mostly observed in adults, characterized by the infiltration of foamy CD68+ and CD1a- histiocytes into multiple [...] Read more.

Erdheim-Chester Disease (ECD) is a type of systemic histiocytosis mostly observed in adults, characterized by the infiltration of foamy CD68+ and CD1a- histiocytes into multiple organ systems, often associated with MAPK pathway mutations. Conventional treatment of ECD has been challenging. Currently, targeted drugs (BRAF and MEK inhibitors) are recommended. This report aimed to describe the necessity of targeted therapy for ECD. A 39-year-old Japanese man presented with complaints of weight loss, polyuria/polydipsia, bilateral leg pain, and facial xanthoma/xanthelasma palpebrarum (XP) lesions. A biopsy of the bone lesions confirmed BRAF-positive ECD. The ECD lesions initially showed a good response to the cladribine/dexamethasone regimen; however, XP lesions were exacerbated during infliximab therapy, and did not respond to other conventional regimens. Eventually, XP lesions improved with trametinib (a MEK inhibitor) and dabrafenib (a BRAF inhibitor). Targeted therapy is indispensable in the management of ECD.

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Review Article Open Access
Benjamin O. Ezema, Chijioke Nwoye Eze, Thecla Okeahunwa Ayoka, Charles Okeke Nnadi
Published online December 25, 2024
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Journal of Exploratory Research in Pharmacology. doi:10.14218/JERP.2024.00020
Abstract
Free radicals are produced in the body during normal cellular metabolic activities, and their excessive accumulation can overwhelm the natural antioxidant mechanisms. This leads [...] Read more.

Free radicals are produced in the body during normal cellular metabolic activities, and their excessive accumulation can overwhelm the natural antioxidant mechanisms. This leads to oxidative stress, which is associated with the development and progression of non-communicable diseases (NCDs) such as liver and kidney diseases, cardiovascular diseases, neurodegenerative diseases, cancer, and diabetes. Enzymes play a significant role in maintaining a balance between antioxidants and free radicals by either enhancing the production of antioxidants or slowing down the generation of free radicals in the body. There is no up-to-date review on how antioxidant-enzyme interactions modulate the development and progression of NCDs. This review, therefore, discusses the mechanisms of antioxidant-enzyme interactions in the control of oxidative stress, as well as the implications and prospects of these interactions in the management of NCDs. Therapeutic strategies targeting antioxidant-enzyme interactions in the natural defense mechanisms of the body against oxidative stress can provide targeted benefits in the management of various NCDs. The mechanisms of interaction of some antioxidants with catalase, superoxide dismutase, glutathione reductase, glutathione peroxidase, glutathione S-transferases, thioredoxin protein, and thioredoxin reductase suggest their strong involvement in mitigating the development and progression of NCDs. Moreover, understanding the specific interactions and signaling pathways involved in antioxidant-enzyme interactions could facilitate the emergence of novel and effective therapeutic strategies for the management of NCDs and should be considered a primary goal of future studies. This study provides the necessary template, encourages discussion, and creates more opportunities for the next stage in the development of antioxidant therapies.

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Review Article Open Access
Zhangwen Ma, Qinghua Liu, Yongxuan Hong, Jie Chen, Jiawei Tang, Yurong Tang, Liang Wang
Published online December 23, 2024
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Future Integrative Medicine. doi:10.14218/FIM.2024.00047
Abstract
The Chinese caterpillar fungus Ophiocordyceps sinensis (Berk.) is a valuable traditional medicine, also known throughout Asia by its Tibetan name དབྱར་རྩྭ་དགུན་འབུ (Yartsa Gunbu), [...] Read more.

The Chinese caterpillar fungus Ophiocordyceps sinensis (Berk.) is a valuable traditional medicine, also known throughout Asia by its Tibetan name དབྱར་རྩྭ་དགུན་འབུ (Yartsa Gunbu), meaning “summer grass, winter worm”. The mature fungus O. sinensis contains abundant active biological components, including polysaccharides, alkaloids, amino acids, inorganic elements, and others. Studies have previously confirmed that O. sinensis possesses multiple pharmacological activities. Therefore, it holds high value in the commercial market and is in increasing demand. However, the unique formation process and harsh growth environment contribute to the preciousness and scarcity of the species. To meet market demand, multiple mycelium types have been isolated from natural O. sinensis and cultivated artificially using fermentation technology. Currently, both natural and cultivated O. sinensis products are available as healthy Chinese herbal medicines on the market. However, there is a lack of comparative reviews on the two types of O. sinensis in terms of their compositions and medicinal functions. This mini-review will focus on the bioactive ingredients and medicinal functions of both natural and cultivated O. sinensis, intending to elucidate their medical values as traditional Chinese medicines for human use.

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Review Article Open Access
Xin Quan, Hua Wen, Hao Liang, Mingxin Zhang
Published online September 25, 2024
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Cancer Screening and Prevention. doi:10.14218/CSP.2024.00018
Abstract
Among all tumors worldwide, digestive tract tumors have a higher incidence rate and a significant disease burden. Esophageal cancer, gastric cancer, liver cancer, and colorectal [...] Read more.

Among all tumors worldwide, digestive tract tumors have a higher incidence rate and a significant disease burden. Esophageal cancer, gastric cancer, liver cancer, and colorectal cancer are often diagnosed at an advanced stage, and the prognosis remains poor. Currently, tumor treatment resistance is a major global challenge, with many underlying mechanisms. Ferroptosis has been shown to reverse drug resistance. This article reviews the mechanisms and recent advancements in ferroptosis related to reversing treatment resistance in gastrointestinal tumors, aiming to provide theoretical insights and research directions for the diagnosis and treatment of digestive tract tumors.

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Letter to the Editor Open Access
Taha Yazal, Chia-Yang Li
Published online August 13, 2024
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00220
Letter to the Editor Open Access
James K.H. Ho, Prem H. Thurairajah, Daniel Q. Huang, Kristie H. Fan
Published online August 7, 2024
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00216
Case Report Open Access
Zhaoyang Yang, Bin Wang, Liang Yang, Xuemin Xue, Jiacong Wei, Liyan Xue
Published online October 30, 2024
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Journal of Clinical and Translational Pathology. doi:10.14218/JCTP.2024.00033
Abstract
Paget’s disease of the esophagus is extremely rare, with few cases reported. In this report, we describe a case of recurrent esophageal Paget’s disease coexisting with small cell [...] Read more.

Paget’s disease of the esophagus is extremely rare, with few cases reported. In this report, we describe a case of recurrent esophageal Paget’s disease coexisting with small cell carcinoma. A 63-year-old man presented with the chief complaint of a rediscovered early esophageal cancer. Endoscopic examination revealed two separate superficial flat tumors in the upper and mid esophagus. Endoscopic submucosal dissection was performed, diagnosing diffuse Paget’s disease (5.5 × 3.5 cm) and a small focus on intramucosal squamous cell carcinoma, respectively. Paget’s cells were also found in the distal and right margins of the first specimen of endoscopic submucosal dissection. Immunohistochemical analysis showed that Paget’s disease diffusely expressed cytokeratin 7 (CK7), CK18, and mucin 6 (MUC6), and focally expressed CD56 and chromogranin A, but not CK5/6, p63, p40, MUC5AC, MUC2, or synaptophysin. A complete absence of p53 and Rb1 was observed in Paget’s disease. However, overexpression of p53 and retention of Rb1 were seen in squamous cell carcinoma. Approximately 27 months later, a prominent tumor was found at the same location as the previous Paget’s disease. Subsequently, radical surgery was performed, and the final pathological evaluation revealed esophageal small cell carcinoma coexisting with Paget’s disease. Moreover, both p53 and Rb1 were completely absent in both Paget’s disease and the small cell carcinoma. This suggests that esophageal Paget’s disease may dedifferentiate and develop into small cell carcinoma. In conclusion, esophageal Paget’s disease can co-occur with invasive carcinomas, including small cell carcinoma, and should be completely resected endoscopically, with close follow-up.

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Original Article Open Access
Qiuhua Li, Shengpeng Chen, Yubin Zhou, Zhan Shi, Zhaozhe Liu
Published online December 25, 2024
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Oncology Advances. doi:10.14218/OnA.2024.00022
Abstract
Breast cancer is one of the leading causes of mortality among women worldwide. Tumor necrosis factor α-induced protein 3-interacting protein 1 (TNIP1) is a ubiquitin-binding protein [...] Read more.

Breast cancer is one of the leading causes of mortality among women worldwide. Tumor necrosis factor α-induced protein 3-interacting protein 1 (TNIP1) is a ubiquitin-binding protein that is widely expressed, but its function in breast cancer cells remains unknown. This study aimed to elucidate the molecular mechanism of TNIP1 regulation in the proliferation and apoptosis of breast cancer cells.

A colony formation assay was conducted on MCF-7 and T47D cells stably transfected with TNIP1/cyclin G1 (CCNG1) short hairpin RNAs. Quantitative polymerase chain reaction was performed to assess the relative abundances of TNIP1, CCNG1, and cyclin D1 (CCND1) messenger RNAs. Immunoprecipitation and immunoblotting were used to detect the expression of TNIP1, CCNG1, CCND1, and related proteins. A dual-luciferase reporter assay was employed to explore the molecular mechanism of TNIP1 in signal transduction. Caspase activity in MCF-7 and T47D cells transfected with TNIP1 short hairpin RNAs was measured using the Caspase-Glo 3/7 assay.

Ablation of TNIP1 induced growth arrest in breast cancer cells. TNIP1 directly interacted with CCNG1, and TNIP1 knockdown increased the ubiquitination of CCNG1. CCNG1 knockdown also induced growth arrest in MCF-7 and T47D cells. Furthermore, TNIP1 knockdown activated the NF-κB pathway and induced apoptosis in these cells.

TNIP1 regulates the proliferation and apoptosis of breast cancer cells, suggesting that TNIP1 may serve as a potential biomarker for breast cancer.

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Original Article Open Access
Menglei Wang, Bingjie Zhu, Meng Gao, Yining Hu, Xiang Li, Liangfeng Liu, Zhiwei Ge, Wenhua Huang, Jie Liao, Xiaohui Fan
Published online December 4, 2024
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Future Integrative Medicine. doi:10.14218/FIM.2024.00037
Abstract
Shenqi Fuzheng (SQ) is a widely used Chinese medicine formula known for its immune-enhancing and Qi-supplementing properties. However, the blood-absorbed components of SQ and their [...] Read more.

Shenqi Fuzheng (SQ) is a widely used Chinese medicine formula known for its immune-enhancing and Qi-supplementing properties. However, the blood-absorbed components of SQ and their pharmacokinetics remain underexplored. This study aimed to comprehensively analyze the chemical constituents of SQ and investigate their absorption and pharmacokinetic behavior in rat plasma.

Ultra-performance liquid chromatography-triple quadrupole time-of-flight mass spectrometry (hereinafter referred to as UPLC-Triple-TOF/MS) is employed to identify the chemical components in SQ extract and quantify the components absorbed into the blood after oral administration in rats. This method provides fragmentation patterns of compounds and key pharmacokinetic profiles of blood-absorbed compounds.

A total of 105 compounds are identified from the SQ extract, and 40 are detected in the blood following oral administration. Organic acids and amino acids are found at higher concentrations in the bloodstream. Compounds such as Astragalosides promptly enter the bloodstream within 5 m after administration, with levels declining after 15 m. Flavonoids are absorbed within 15–30 m, and the peak of alkaloids occurs approximately 1 h after administration.

This study provides new insights into the chemical composition and pharmacokinetics of SQ, highlighting the dynamic changes in the content of absorbed compounds in the blood. It further promotes the comprehensive characterization of traditional Chinese medicine formulations through UPLC-Triple-TOF/MS. Future research should focus on elucidating the pharmacological activities of the identified compounds and investigating their potential synergistic effects within the formulation.

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Original Article Open Access
Jiayu Liu, Guangyong Wu, Bo Liu, Jingru Zhou, Cungang Fan, Donliang Wang, Bo Hei, Fang Li, Jia Ouyang, Zhi Liu, Qingpei Hao, Ruen Liu
Published online December 4, 2024
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Neurosurgical Subspecialties. doi:10.14218/NSSS.2024.00003
Abstract
Atypical trigeminal neuralgia (ATN) is a chronic pain condition characterized by persistent facial pain that does not respond well to conventional medical treatments, often leading [...] Read more.

Atypical trigeminal neuralgia (ATN) is a chronic pain condition characterized by persistent facial pain that does not respond well to conventional medical treatments, often leading to significant impairment in quality of life. This study examined the clinical characteristics and surgical outcomes of microvascular decompression combined with nerve combing in patients with ATN.

We conducted a retrospective analysis of surgical techniques, clinical data, and treatment outcomes in 40 patients from January 2009 to January 2018. Pain levels and patient prognoses were assessed using the Visual Analog Scale and the Barrow Neurological Institute (BNI) pain score. Dynamic monitoring of arterial blood pressure was performed, and levels of total adrenaline, norepinephrine, and dopamine were measured before and during the nerve combing procedure.

During surgery, veins combined with arachnoid adhesions and arachnoid adhesions alone were observed compressing the trigeminal nerve in seven patients (17.50%) and 33 patients (82.50%), respectively. Immediate postoperative BNI scores indicated excellent outcomes (P = 2) in 30 patients (75.00%) and good outcomes (P = 3) in four patients (10.00%). Long-term postoperative BNI scores showed excellent outcomes (P = 2) in 25 patients (62.50%) and good outcomes (P = 3) in seven patients (17.50%). All patients experienced an increase in arterial blood pressure during nerve combing, and the mean levels of adrenaline and norepinephrine before combing showed significant improvement (P < 0.05).

Microvascular decompression combined with nerve combing achieves favorable results in treating ATN. Long-term trigeminal nerve compression and central sensitization may contribute to the etiology in these patients.

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