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Review Article Open Access
Miao Cui, Fei Deng, Mary L. Disis, Chao Cheng, Lanjing Zhang
Published online July 3, 2024
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Exploratory Research and Hypothesis in Medicine. doi:10.14218/ERHM.2024.00006
Abstract
High-throughput proteomics has become an exciting field and a potential frontier of modern medicine since the early 2000s. While significant progress has been made in the technical [...] Read more.

High-throughput proteomics has become an exciting field and a potential frontier of modern medicine since the early 2000s. While significant progress has been made in the technical aspects of the field, translating proteomics to clinical applications has been challenging. This review summarizes recent advances in clinical applications of high-throughput proteomics and discusses the associated challenges, advantages, and future directions. We focus on research progress and clinical applications of high-throughput proteomics in breast cancer, bladder cancer, laryngeal squamous cell carcinoma, gastric cancer, colorectal cancer, and coronavirus disease 2019. The future application of high-throughput proteomics will face challenges such as varying protein properties, limitations of statistical modeling, technical and logistical difficulties in data deposition, integration, and harmonization, as well as regulatory requirements for clinical validation and considerations. However, there are several noteworthy advantages of high-throughput proteomics, including the identification of novel global protein networks, the discovery of new proteins, and the synergistic incorporation with other omic data. We look forward to participating in and embracing future advances in high-throughput proteomics, such as proteomics-based single-cell biology and its clinical applications, individualized proteomics, pathology informatics, digital pathology, and deep learning models for high-throughput proteomics. Several new proteomic technologies are noteworthy, including data-independent acquisition mass spectrometry, nanopore-based proteomics, 4-D proteomics, and secondary ion mass spectrometry. In summary, we believe high-throughput proteomics will drastically shift the paradigm of translational research, clinical practice, and public health in the near future.

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Review Article Open Access
Temitope G. Olowe, Mega O. Oyovwi, Kingsley E. Nwangwa, Ejiro Peggy Ohwin, Onome B. Oghenetega
Published online May 11, 2024
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Journal of Exploratory Research in Pharmacology. doi:10.14218/JERP.2023.00025S
Abstract
Cyclophosphamide (CP) is a potent chemotherapeutic agent utilized in the treatment of various types of cancer. However, in addition to its efficacy in combating cancer, CP also [...] Read more.

Cyclophosphamide (CP) is a potent chemotherapeutic agent utilized in the treatment of various types of cancer. However, in addition to its efficacy in combating cancer, CP also has severe side effects, including damage to male gonadal functions. This paper aims to explore the cytotoxic properties of CP and its mechanistic impacts on male gonadal functions. The search strategy was conducted using several reviewed articles indexed in PubMed, Science Direct, EBSCO, Scopus, Cochrane Library, Sage Journals, and Google Scholar. CP is an alkylating agent that damages cancer cell DNA, inhibiting growth and division. It also affects healthy cells, leading to severe cytotoxicity. In male gonadal tissues, CP damages germ cells, Leydig cells, and Sertoli cells, causing decreased sperm count, testosterone levels, and disruption of the blood-testis barrier. The metabolism of CP in the liver generates reactive oxygen species, leading to oxidative damage and cell death. Moreover, CP also affects the hypothalamic-pituitary-gonadal axis, regulating male gonadal functions. CP disrupts the production and secretion of gonadotropin-releasing hormone, follicle-stimulating hormone, and luteinizing hormone, resulting in a decrease in testosterone levels and impaired spermatogenesis. Additionally, CP exerts its cytotoxic effects by inhibiting the proliferation and differentiation of germ cells, leading to a decrease in sperm production. It also affects Leydig cells, which are responsible for the production of testosterone, thus decreasing testosterone levels. In conclusion, CP exhibits potent cytotoxic properties that not only affect cancer cells but also severely damage male gonadal functions. The mechanisms involved in CP-induced gonadal toxicity include oxidative stress and disruption of the hypothalamic-pituitary-gonadal axis. Therefore, it is crucial to consider the potential gonadal toxicity of CP when prescribing it for cancer treatment and to closely monitor the gonadal functions of male patients receiving CP therapy.

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Review Article Open Access
Charlene Deane, Orla Kelly, Colm O’Morain
Published online August 1, 2024
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Cancer Screening and Prevention. doi:10.14218/CSP.2024.00008
Abstract
Gastric cancer is the third most common cause of cancer-related death globally. The highest incidence is encountered in Asia, followed by Europe which has the second highest incidence [...] Read more.

Gastric cancer is the third most common cause of cancer-related death globally. The highest incidence is encountered in Asia, followed by Europe which has the second highest incidence worldwide. In Europe, gastric cancer is typically diagnosed at an advanced stage, with an estimated five-year survival rate of 24%, compared to 59% in Japan. This disparity is largely attributed to the significant role of screening in Japan. Given the expected rise in absolute numbers of gastric cancer cases, there has been a demand for gastric cancer screening programmes in high-intermediate risk countries, advocated by the International Agency for Research on Cancer, the Science Advice for Policy by European Academies, the European Commission as part of the Europe Beating Cancer Plan, and the Maastricht VI/Florence consensus guidelines. This review article summarizes the current disparities in screening strategies between countries in the East and West and comments on future developments in population-based screening research in this field. The references for this article were identified through PubMed, the Cochrane Database of Systematic Reviews, and the Cochrane Controlled Register of Trials using the search terms “gastric cancer”, “stomach cancer”, “Helicobacter pylori”, and “screening” over the period from 1995 until March 2024. Overall, this review identifies three potential approaches to screening: primary, secondary, and opportunistic. It highlights the lack of a uniform consensus on the best approach to screening, the disparity in the information available in different populations, and upcoming research to address this disparity.

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Review Article Open Access
Jasmine Tidwell, Bianca Thakkar, George Y. Wu
Published online May 20, 2024
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00054
Abstract
Splenic venous hypertension or left-sided portal hypertension is a rare condition caused by an obstruction of the splenic vein. Usually, it presents with upper gastrointestinal [...] Read more.

Splenic venous hypertension or left-sided portal hypertension is a rare condition caused by an obstruction of the splenic vein. Usually, it presents with upper gastrointestinal bleeding in the absence of liver disease. Etiologies can be classified based on the mechanism of development of splenic vein hypertension: compression, stenosis, inflammation, thrombosis, and surgically decreased splenic venous flow. Diagnosis is established by various imaging modalities and should be suspected in patients with gastric varices in the absence of esophageal varices, splenomegaly, or cirrhosis. The management and prognosis vary depending on the underlying etiology but generally involve reducing splenic venous pressure. The aim of this review was to summarize the etiologies of splenic venous hypertension according to the mechanism of development.

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Original Article Open Access
Mª Jesús Fernández-Aceñero, Salomé Merino, Desirée Hernández, Santiago Ochagavia, Melchor Saiz-Pardo, Pablo Pérez Alonso, Tomas Ganado, Jesús Vega, Cristina Díaz del Arco
Published online May 6, 2024
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Journal of Clinical and Translational Pathology. doi:10.14218/JCTP.2023.00062
Abstract
Fine needle aspiration cytology (FNAC) is a cost-efficient technique for the management of thyroid nodules. Changes in the World Health Organization classification of thyroid tumors [...] Read more.

Fine needle aspiration cytology (FNAC) is a cost-efficient technique for the management of thyroid nodules. Changes in the World Health Organization classification of thyroid tumors can influence reliability of cytology. The 2023 Bethesda System for Reporting Thyroid Cytopathology has adapted cytological nomenclature to these changes. The aim of this paper was to analyze the management of atypia of undetermined significance (AUS) in our institution.

Retrospective review of thyroid FNAC diagnosed with AUS in a single hospital between 2014 and 2022. We analyzed the management of patients and the risk of malignancy associated with AUS.

AUS represented 7.5% of all thyroid FNAC diagnoses (273 patients). In 74.1% of the patients, FNAC was repeated, and 54.9% of the lesions were downgraded. Surgical resection of the nodule was performed in 38.2% of the patients, mostly after a repeat FNAC with upgrading. Ninety-one percent of the patients downgraded in the repeat FNAC did not undergo surgery. The risk of malignancy of the AUS category after repeat FNAC was 26.1%. AUS diagnosis was due to nuclear atypia in 32% of the patients, and we found a significant association between nuclear atypia and upgrading in repeat FNAC. Of the 96 patients who underwent surgery in our series, 42 had malignant lesions, including noninvasive follicular thyroid neoplasms with papillary-like features.

The clinical management of AUS patients includes repeat FNAC, which is strongly correlated with the risk of malignancy. Nuclear atypia seems to be more predictive of malignancy than architectural patterns.

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Original Article Open Access
Chung-Feng Huang, Konstantin Kroeniger, Chih-Wen Wang, Tyng-Yuan Jang, Ming-Lun Yeh, Po-Cheng Liang, Yu-Ju Wei, Po-Yao Hsu, Ching-I Huang, Ming-Yen Hsieh, Yi-Hung Lin, Jee-Fu Huang, Chia-Yen Dai, Wan-Long Chuang, Ashish Sharma, Ming-Lung Yu
Published online October 14, 2024
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00172
Abstract
Early detection of hepatocellular carcinoma (HCC) is crucial for improving survival in patients with chronic hepatitis. The GALAD algorithm combines gender (biological sex), age, [...] Read more.

Early detection of hepatocellular carcinoma (HCC) is crucial for improving survival in patients with chronic hepatitis. The GALAD algorithm combines gender (biological sex), age, α-fetoprotein (AFP), Lens culinaris agglutinin-reactive fraction of AFP (AFP-L3), and protein induced by vitamin K absence or antagonist-II (PIVKA-II) for HCC detection. Similarly, the GAAD algorithm incorporates gender (biological sex), age, AFP, and PIVKA-II. This study aimed to assess the clinical utility of AFP-L3 in the GALAD algorithm and its potential synergies with ultrasound. We compared the clinical performance of GALAD with GAAD; AFP; AFP-L3; and PIVKA-II, with or without ultrasound, in Taiwanese adults.

A total of 439 serum samples were analyzed using a Cobas® e 601 analyzer (healthy controls, n = 200; chronic liver disease controls, n = 177; HCC cases, n = 62). Performance was assessed through receiver operating characteristic curve analyses to calculate the area under the curve.

The area under the curve for differentiating early-stage HCC from patients with chronic liver disease was optimal for PIVKA-II (84.9%), GAAD (79.8%), and GALAD (79.4%), with slightly improved performance for detecting all-stage HCC. Clinical performance was unaffected by disease stage or etiology. Sensitivity for early-stage HCC was highest for GAAD (57.6%) and GALAD (57.6%). Sensitivity for each strategy was further enhanced when combined with ultrasound, regardless of disease stage or etiology (P < 0.01).

These findings indicate that the role of AFP-L3 in the GALAD algorithm is minimal, supporting the use of GAAD for HCC detection. A combination of GAAD, GALAD, or PIVKA-II with ultrasound may improve diagnostic efficiency compared with recommended strategies.

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Review Article Open Access
Gaoyue Guo, Wanting Yang, Jia Li, Ziyi Yang, Jing Liang, Chao Sun
Published online November 12, 2024
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Journal of Clinical and Translational Hepatology. doi:10.14218/JCTH.2024.00303
Abstract
Since its proposal, the Model for End-Stage Liver Disease (MELD) score has been employed to predict short-term mortality among patients with chronic liver disease and those awaiting [...] Read more.

Since its proposal, the Model for End-Stage Liver Disease (MELD) score has been employed to predict short-term mortality among patients with chronic liver disease and those awaiting liver transplantation, serving as the primary criterion for organ allocation. However, as the demographic and epidemiological characteristics of chronic liver disease and liver transplantation have evolved, a range of MELD-related scores has emerged, including MELD-Na, iMELD, delta MELD, MELD XI, MELD-LA, and pediatric end-stage liver disease, culminating in the recently proposed MELD 3.0, which builds upon MELD-Na. This study aimed to comprehensively review and summarize relevant studies on MELD 3.0 in various scenarios, assessing its effectiveness in organ allocation, post-transplantation outcomes, and mortality prediction for patients with end-stage liver disease. Our preliminary findings indicate superior predictive performance of MELD 3.0, warranting further in-depth investigations to broaden its clinical implications.

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Review Article Open Access
Lyudmila S. Dolmatova
Published online August 2, 2024
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Gene Expression. doi:10.14218/GE.2023.00167
Abstract
Yersinia pseudotuberculosis (Yptb) causes intestinal infection and can spread to the liver, where the bacterium induces hemosiderosis, abscesses, and hepatitis. To evade the immune [...] Read more.

Yersinia pseudotuberculosis (Yptb) causes intestinal infection and can spread to the liver, where the bacterium induces hemosiderosis, abscesses, and hepatitis. To evade the immune response of the host organism, Yptb expresses at least six plasmid-encoded Yersinia outer proteins belonging to the Type III secretion system, which suppress phagocytic activity. Recently, evidence has accumulated that chromosome-encoded protein toxins are also involved in the anti-phagocytic defense of Yptb. Most of these toxins have been found in isolates from patients with Far East scarlet-like fever, often accompanied by liver pathology. Yersinia proteins contribute to bacterial colonization of lymphoid organs through their effects on immune cells. A thorough understanding of the immunomodulatory effects of these toxic proteins on bacterial dissemination and colonization in the liver will contribute to the development of novel approaches to cure hepatic pathology during Yptb infection. The review aimed to summarize the current data on the mechanisms of effects of Yptb plasmid- and chromosome-encoded toxins on bacterial colonization in the liver. The review highlights the fine-tuning of immune system activity by toxins encoded by both a 70-kb plasmid and chromosomes, through various mechanisms of action of individual proteins and their interactions. The focus is on mechanisms that promote bacterial survival in macrophages, including those that facilitate bacterial-induced macrophage polarization towards the M2 phenotype. The role of a type of phagocyte death in bacterial dissemination and colonization in the organs is also discussed.

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Review Article Open Access
Ruwini Nishadini Senarathne, Banukie Nirosha Jayasuriya, Shehara Lakchani Abeysinghe Gunawardana
Published online September 3, 2024
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Future Integrative Medicine. doi:10.14218/FIM.2024.00024
Abstract
A mental disorder, also referred to as a psychiatric disorder or mental illness, is characterized by significant disturbances in an individual’s thinking, emotions, or behavior. [...] Read more.

A mental disorder, also referred to as a psychiatric disorder or mental illness, is characterized by significant disturbances in an individual’s thinking, emotions, or behavior. In Ayurveda, herbal plants are used as alternative therapies for various ailments, including mental disorders. This review aims to provide a comprehensive overview of herbal medicines used in treating mental disorders in Sri Lanka. It relies on foundational books as primary sources to systematically identify and analyze the therapeutic potential of 24 traditional medicinal plants for treating mental disorders. Each plant was evaluated based on its scientific name, plant parts used, distribution in Sri Lanka, mechanisms of action, and identified phytochemicals. Furthermore, additional research was conducted using keywords such as mental disorders, herbal plants, plant distribution, phytochemicals, side effects, and mechanism of action through scientific databases. The phytochemicals present in these herbal plants possess antioxidant, anti-inflammatory, and neuroprotective properties, contributing to their potential antipsychotic activities. Trigonelline (from Abrus precatorius), bacosides (from Bacopa monnieri), asiaticoside and asiatic acid (from Centella asiatica), quercetin (from Ginkgo biloba), alliin and allicin (from Allium sativum), luteolin-7-O-glucoside (from Eclipta alba), and shogaol (from Zingiber officinale) demonstrate significant potential in modulating neurotransmitter levels, reducing oxidative stress, and alleviating symptoms associated with mental disorders such as depression, anxiety, and neurodegenerative diseases. The suggested therapeutic value of these identified herbal plants and their bioactive phytochemicals indicates the need for preserving and extensively investigating these remedies to establish their clinical effectiveness.

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Review Article Open Access
Choo Yee Yu, Chan Yean Yean, Kok Gan Chan, Geik Yong Ang
Published online May 21, 2024
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Gene Expression. doi:10.14218/GE.2024.00035
Abstract
Visualization of the spatiotemporal organization and dynamics of the genome in the nucleus is essential to elucidate how chromatin structure and nuclear function are intertwined. [...] Read more.

Visualization of the spatiotemporal organization and dynamics of the genome in the nucleus is essential to elucidate how chromatin structure and nuclear function are intertwined. In the past, such studies were limited by the lack of appropriate tools. However, various imaging techniques now allow direct visualization of genomic loci in living cells. One of the main drivers behind this progress is the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated proteins (Cas) technology. Initially used as an efficient and specific genome editing tool, the versatility of the CRISPR/Cas system has rapidly expanded its application range to include diagnostics, therapeutics, and, more recently, live cell imaging. In contrast to traditional fluorescent in situ hybridization, CRISPR/Cas-based imaging systems enable real-time dynamic tracking of genomic sequences down to the level of single cells and even a single locus. Recognizing the vital role played by CRISPR/Cas-based imaging systems in advancing our understanding of genome function in relation to its spatiotemporal organization, this review aimed to depict the current landscape of CRISPR/Cas-based technologies in genomic imaging. It discusses the principles, notable features, advantages, and limitations of these CRISPR/Cas-based imaging systems and concludes with a brief outlook into the future.

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