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Original Article Open Access
Li-Zhen Chen, Yu-Rong Wang, Zhen-Zhen Zhao, Shou-Lin Zhao, Cong-Cong Min, Yong-Ning Xin
Published online March 12, 2025
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00407
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD), is the most common form of chronic liver disease worldwide. This study aimed to explore the role of TM6SF2 in high-fat [...] Read more.

Metabolic dysfunction-associated steatotic liver disease (MASLD), is the most common form of chronic liver disease worldwide. This study aimed to explore the role of TM6SF2 in high-fat diet (HFD)-induced MASLD through the gut-liver axis.

The TM6SF2 gut-specific knockout (TM6SF2 GKO) mouse was constructed using CRISPR/Cas9 technology. TM6SF2 GKO and wild-type (CON) mice were fed either a HFD or a control diet for 16 weeks to induce MASLD. Blood, liver, and intestinal lipid content, as well as gut microbiota and serum metabolites, were then analyzed.

TM6SF2 GKO mice fed an HFD showed elevated liver and intestinal lipid deposition compared to CON mice. The gut microbiota of HFD-fed TM6SF2 GKO mice exhibited a decreased Firmicutes/Bacteroidetes ratio compared to HFD-fed CON mice. The HFD also reduced the diversity and abundance of the microbiota and altered its composition.Aspartate aminotransferase, alanineaminotransferase, and total cholesterol levels were higher in HFD-fed TM6SF2 GKO mice compared to CON mice, while triglyceride levels were lower. Serum metabolite analysis revealed that HFD-fed TM6SF2 GKO mice had an increase in the expression of 17 metabolites (e.g., LPC [18:0/0-0]) and a decrease in 22 metabolites (e.g., benzene sulfate). The differential metabolites of LPC (18:0/0-0) may serve as HFD-fed TM6SF2 serum biomarkers, leading to MASLD exacerbation in GKO mice.

TM6SF2 GKO aggravates liver lipid accumulation and liver injury in MASLD mice. TM6SF2 may play an important role in regulating intestinal flora and the progression of MASLD through the gut-liver axis.

Full article
Case Report Open Access
Yusuf Musa, Habib Tijjani Saleh, Nuruddeen Muhammad Olalekan, Dada Idowu, 
Abubakar Sadiq Aminu, Hafiz Abdullahi Zubairu, Adamu Alhaji Sama’ila
Published online May 15, 2025
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Journal of Translational Gastroenterology. doi:10.14218/JTG.2025.00005
Abstract
Portal hypertension can cause serious complications such as upper gastrointestinal bleeding, primarily due to esophageal and gastric varices. The risk of mortality from variceal [...] Read more.

Portal hypertension can cause serious complications such as upper gastrointestinal bleeding, primarily due to esophageal and gastric varices. The risk of mortality from variceal hemorrhage is significant, particularly when the hepatic venous pressure gradient exceeds 12 mmHg. Established treatments generally include endoscopic variceal band ligation and cyanoacrylate glue for gastric varices; however, challenges such as limited availability and a lack of technical expertise can hinder the use of glue, leading to preventable complications. This study investigates the efficacy of using a 50% glucose solution for injection sclerotherapy in cases of gastric varices. We present three unique patient cases. The first case involves a 21-year-old with persistent upper gastrointestinal bleeding and a portal vein thrombus, who experienced temporary relief after receiving injection sclerotherapy but tragically succumbed to significant bleeding later. The second case describes a 24-year-old who successfully managed his bleeding with the same treatment but was subsequently lost to follow-up. Lastly, a 72-year-old patient with recurrent painless hematemesis remained free of symptoms following injection sclerotherapy. Overall, while cyanoacrylate glue remains the preferred treatment, injection sclerotherapy with 50% dextrose shows promise as an effective alternative, particularly in settings where conventional treatments are not readily available, potentially reducing the risks associated with untreated variceal bleeding.

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Original Article Open Access
Yunfan Wang, Xuejia Qi, Mengting Zuo, Zhaoying Liu
Published online September 5, 2024
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Future Integrative Medicine. doi:10.14218/FIM.2024.00029
Abstract
Gelsemium elegans Benth (G. elegans) is a traditional medicinal plant; however, it is highly toxic, and toxicity varies significantly between species. The cause of this difference [...] Read more.

Gelsemium elegans Benth (G. elegans) is a traditional medicinal plant; however, it is highly toxic, and toxicity varies significantly between species. The cause of this difference has not been clarified. Humantenirine is an important toxic alkaloid in G. elegans, and its metabolism has been poorly studied. This study aimed to compare the different metabolites formed by human liver microsomes, pig liver microsomes, and goat liver microsomes.

High-performance liquid chromatography/quadrupole time-of-flight mass spectrometry was used to study the metabolism of humantenirine in human liver microsomes, pig liver microsomes, and goat liver microsomes.

A total of eight metabolites (M1-M8) were identified, and three major metabolic pathways were found: demethylation (M1), dehydrogenation (M2, M3, M7), and oxidation (M4, M5, M6, M8).

Based on these results, it is hypothesized that demethylation is the major detoxification pathway for humantenirine, providing important information to better understand the metabolism and toxicity differences between species of G. elegans.

Full article
Mini Review Open Access
Hongyan Liu, Hao Ai, Ying Liu
Published online March 30, 2025
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Oncology Advances. doi:10.14218/OnA.2024.00034
Abstract
Endometrial cancer (EC) is one of the most prevalent malignancies of the female reproductive system and ranks among the three primary types of gynecological cancers. Recent trends [...] Read more.

Endometrial cancer (EC) is one of the most prevalent malignancies of the female reproductive system and ranks among the three primary types of gynecological cancers. Recent trends indicate a rising incidence of EC in younger patients, highlighting the urgent need for effective early screening strategies. This review examines the challenges associated with early diagnosis and screening, including ambiguous methodologies (e.g., transvaginal ultrasound: sensitivity 80–90%, specificity 60–70%), undefined target populations, and the absence of efficient, cost-effective, minimally invasive solutions (e.g., cytology sensitivity ≤50% in community settings). The article provides an overview of the current landscape and emerging innovations in universal EC screening, highlighting advancements in early detection and diagnosis, such as DNA methylation panels (sensitivity 89–94%, specificity 91–97% in phase II trials) and vibrational spectroscopy (sensitivity 92%, specificity 88% in pilot studies). Additionally, future directions for implementing effective screening strategies are explored, emphasizing the potential of high-accuracy biomarkers and scalable technologies to reduce mortality and healthcare costs.

Full article
Original Article Open Access
Nesibe Kahraman Çetin, Ezgi Özkıran, Sinan Can Taşan, Dilara Akın, İbrahim Halil Erdoğdu, İbrahim Meteoğlu
Published online April 15, 2025
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Journal of Clinical and Translational Pathology. doi:10.14218/JCTP.2025.00001
Abstract
Lung Squamous cell carcinoma (LSCC) represents the second most common non-small cell lung cancer. Although studies identified adenocarcinoma-like driver mutations in LSCC using [...] Read more.

Lung Squamous cell carcinoma (LSCC) represents the second most common non-small cell lung cancer. Although studies identified adenocarcinoma-like driver mutations in LSCC using next-generation sequencing (NGS), the disease is challenging to treat due to the limited number of detectable mutations for targeted drug therapy. This study aimed to evaluate the mutation profiles of LSCC detected by NGS to assess the relationships between different driver mutations and clinicopathological parameters.

NGS with a panel of 72 cancer-related genes was used to evaluate the driver mutation profiles of 41 lung resection specimens from patients with LSCC at the Molecular Pathology Laboratory of Aydın Adnan Menderes University in Türkiye. Clinical and histopathological features were recorded for analysis.

Detection of 94 mutations in 23 genes in DNA extracted from the tissue samples of 36 patients revealed that the most prevalent mutations were TP53 (30.85%), NF1 (20.20%), PTEN (11.70%), PIK3CA (5.31%), FBXW7 (4.25%), KRAS (3.20%), respectively. We identified statistically significant relationships between PIK3CA and lower mean age (p = 0.007) and between PTEN and mild inflammatory reaction (p = 0.004). PTEN was associated with central localization (p = 0.13), NF1 with visceral pleural involvement (p = 0.09), and PIK3CA with severe inflammatory reaction (p = 0.053), as well as with advanced pathological T stage (p = 0.09) and pathological N stage (p = 0.057) according to the TNM staging system.

Our study highlights the importance of assessing mutation profiles in LSCC patients to identify driver mutations as potential therapeutic targets. Certain histopathological features are associated with these mutations, serving as indicators for treatment and follow-up decisions.

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Commentary Open Access
Wenxue Ma, Theia Minev
Published online September 24, 2024
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Oncology Advances. doi:10.14218/OnA.2024.00020
Original Article Open Access
Yaqun Zhang, Huimin Shi, Lin Wang, Jihong Pan
Published online January 20, 2025
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Exploratory Research and Hypothesis in Medicine. doi:10.14218/ERHM.2024.00036
Abstract
Rheumatoid arthritis (RA) is an inflammatory arthritis characterized by chronic joint inflammation, cartilage degradation, and bone erosion. ELK3 is a transcriptional repressor [...] Read more.

Rheumatoid arthritis (RA) is an inflammatory arthritis characterized by chronic joint inflammation, cartilage degradation, and bone erosion. ELK3 is a transcriptional repressor that can affect cell proliferation, migration, invasion, apoptosis, and other cellular processes. The study aimed to clarify the effect of ELK3 in the biological activity and ferroptosis phenotype of RA fibroblast-like synoviocytes (FLS), and to reveal its molecular mechanism in regulating ferroptosis in RA FLS.

We investigated the impact of ELK3 on the biological activity and ferroptosis phenotype of RA FLS using real-time quantitative polymerase chain reaction, immunohistochemistry, Transwell assay, CCK-8 assay, and ferroptosis-related indicator kit. The molecular mechanism of ELK3 in RA FLS was further explored using Western blot, chromatin immunoprecipitation polymerase chain reaction, and other experiments.

ELK3 was highly expressed in RA. Silencing ELK3 inhibited the invasion and proliferation of RA FLS (both p < 0.05). After silencing ELK3 in imidazole ketone erastin-induced RA FLS, intracellular reactive oxygen species, lipid peroxidation levels, ferrous ion content, 4-Hydroxynonenal levels, and Malondialdehyde concentrations all increased. Additionally, ELK3 affects ferroptosis in RA FLS by regulating kelch-like ECH-associated protein 1 (p < 0.05).

Silencing ELK3 leads to decreased invasion and proliferation of RA FLS, affecting their biological activity. ELK3 inhibits ferroptosis by suppressing its transcriptional activity through binding to the kelch-like ECH-associated protein 1 promoter. This suggests that ELK3 may be a potential target for RA therapy.

Full article
Mini Review Open Access
Xing Huang, Xiaobing Jiang
Published online March 25, 2025
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Neurosurgical Subspecialties. doi:10.14218/NSSS.2024.00008
Abstract
Pituitary tumors are common intracranial neoplasms that can cause significant morbidity due to hormonal dysregulation and compression of surrounding structures. Despite advancements [...] Read more.

Pituitary tumors are common intracranial neoplasms that can cause significant morbidity due to hormonal dysregulation and compression of surrounding structures. Despite advancements in surgical techniques, challenges persist in treating large, invasive, or recurrent tumors, where complete resection is often difficult. The molecular and genetic mechanisms underlying pituitary tumorigenesis are not yet fully understood, limiting the development of targeted therapies. This review provides a comprehensive overview of recent advancements in neuroendoscopic treatment of pituitary tumors, with a focus on pathogenesis, technological innovations, clinical outcomes, and future directions. We highlight the potential of neuroendoscopic surgery to improve patient outcomes while addressing persistent challenges, such as the steep learning curve and limitations in instrument maneuverability. Future research should prioritize enhancing instrument design, developing 3D and augmented reality visualization systems, and improving training programs to further advance neuroendoscopic techniques.

Full article
Review Article Open Access
Nicole M. Anastasio, George Y. Wu
Published online March 14, 2025
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00315
Abstract
Extrahepatic portosystemic shunts (EPS) are abnormal connections between the portal and systemic circulations. Acquired EPS occur most commonly in adults and are usually associated [...] Read more.

Extrahepatic portosystemic shunts (EPS) are abnormal connections between the portal and systemic circulations. Acquired EPS occur most commonly in adults and are usually associated with portal hypertension due to cirrhosis. Acquired EPS cases can be further subdivided into two types: variceal (pre-existing) EPS and non-variceal EPS (NVEPS). Variceal EPS arise from originally small vessels with pre-existing dual portal and systemic drainage. Due to elevated portal pressure, these vessels dilate and undergo a reversal of flow, sending blood back to the systemic circulation. A much less common and, therefore, underappreciated subset of acquired EPS is NVEPS, which consists of aberrant connections that did not previously exist between the portal vein and large systemic vessels, usually in the presence of portal hypertension. Neoangiogenesis results in the development of abnormal anastomoses between the portal vein and other large veins, resulting in splenorenal, gastrorenal, portocaval, and mesocaval shunts. While not uncommon, they are frequently overlooked in the diagnosis and treatment of portal hypertension and can pose significant diagnostic and therapeutic challenges. Because the treatment of variceal EPS and NVEPS can differ markedly, it is important to correctly diagnose NVEPS and institute appropriate management. The aim of this article was to review acquired EPS, with particular attention to NVEPS, updating the pathogenesis, diagnosis, and treatment.

Full article
Original Article Open Access
Lin Zhang, Li Gan, Yuru Lin, Zhechuan Mei, Shengtao Liao
Published online April 18, 2025
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2025.00007
Abstract
Fat mass and obesity-associated protein (FTO) has been linked to various cancers, though its role in hepatocellular carcinoma (HCC) remains unclear. This study aimed to investigate [...] Read more.

Fat mass and obesity-associated protein (FTO) has been linked to various cancers, though its role in hepatocellular carcinoma (HCC) remains unclear. This study aimed to investigate FTO expression, its clinical relevance, functional role in HCC progression, and the underlying molecular mechanisms.

Quantitative reverse-transcription polymerase chain reaction and immunohistochemical analysis were used to assess FTO expression in HCC. Functional assays, including proliferation, invasion, and epithelial-mesenchymal transition studies, were conducted using HCC cell lines with FTO knockdown. N6-methyladenosine (m6A) RNA immunoprecipitation and RNA stability assays further elucidated the role of FTO in BUB1 mRNA methylation and stability. Co-immunoprecipitation studies were employed to confirm the interaction between BUB1 and TGF-βR1. In vivo studies in nude mice were conducted to evaluate tumor growth following FTO knockdown.

FTO was significantly upregulated in HCC tissues compared to normal liver tissues, with higher expression observed in advanced tumor-node-metastasis stages and metastatic HCC. Elevated FTO correlated with poor overall survival in patients. Silencing FTO decreased HCC cell proliferation, colony formation, invasion, epithelial-mesenchymal transition, and tumor growth in nude mice. Mechanistically, FTO downregulation led to increased m6A modification of BUB1 mRNA, thereby promoting its degradation via the YTH domain family 2-dependent pathway and reducing BUB1 protein levels. Additionally, BUB1 physically interacted with TGF-βR1, activating downstream TGF-β signaling.

FTO is overexpressed in HCC and is associated with poor clinical outcomes. Mechanistically, FTO promotes HCC progression by stabilizing BUB1 mRNA through an m6A-YTH domain family 2–dependent pathway, which activates TGF-β signaling. Targeting the FTO–BUB1–TGF-βR1 regulatory network may offer a promising therapeutic strategy for HCC.

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