Article
Gastroenterology & Hepatology
M. C. Mommersteeg, I Simovic, B. Yu, S. A. van Nieuwenburg, I. M. J. Bruno, M. Doukas, E. J. Kuipers, M. C. W. Spaander, M. P. Peppelenbosch, N. Castano-Rodriguez, G. M. Fuhler
Summary: The SNP in the ATG16L1 gene is associated with increased intestinal endoplasmic reticulum stress and progression of gastric cancer induced by H. pylori. Individuals with the G-allele are more prone to developing gastric cancer.
Article
Immunology
Krystal D. Kao, Helmut Grasberger, Mohamad El-Zaatari
Summary: Gastric myeloid-derived suppressor cells (MDSCs) are a population that expands during gastric pre-neoplastic and neoplastic development. S100a8 is identified as a pan-specific marker for this population, and the subset S100a8(+)Cxcr2(+) plays a role in regulating gastric immunopathology and lipid peroxidation.
FRONTIERS IN IMMUNOLOGY
(2023)
Review
Biochemistry & Molecular Biology
Silvia Salvatori, Irene Marafini, Federica Laudisi, Giovanni Monteleone, Carmine Stolfi
Summary: H. pylori infection contributes to the onset and development of gastric cancer through the mechanisms of chronic inflammation and DNA damage to gastric epithelial cells.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Immunology
Guojing Ruan, An Huang, Chupeng Hu, Ningyin Xu, Menghui Fan, Zhenxing Zhang, Yue Wang, Yingying Xing
Summary: DP T cells play an immunosuppressive role in Helicobacter felis-induced gastritis by inhibiting dendritic cell maturation and CD4(+) T lymphocyte proliferation. Elimination of these cells results in severe gastritis and a reduction in H. felis load. Vaccine efficacy can be enhanced by reducing the number of DP T cells using silk fibroin as a delivery system, indicating a potential impact of DP T cells on disease prognosis and vaccine effectiveness.
MICROBIAL PATHOGENESIS
(2021)
Review
Oncology
Surinder M. Soond, Andrey A. Zamyatnin
Summary: The relationship between pathogens and the increased risk of cancer has attracted significant attention, particularly the contribution of Helicobacter pylori infection to the risk of developing gastric cancer. Research is increasingly focusing on the mechanisms by which the microorganism affects host cells and the importance of the host immune system in disease progression.
Article
Biochemistry & Molecular Biology
Olga Sokolova, Michael Naumann
Summary: Gastric cancer is a major cause of cancer-related deaths globally, and its development is influenced by genetic predisposition, environmental factors, and Helicobacter pylori infection. Matrix metalloproteinases (MMPs) play an active role in the progression of gastric cancer, with bacterial dependence being less significant in later stages.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Review
Microbiology
Mariagrazia Piscione, Mariangela Mazzone, Maria Carmela Di Marcantonio, Raffaella Muraro, Gabriella Mincione
Summary: Gastric cancer is the fifth most common cancer worldwide and the third leading cause of death in developed countries, mainly caused by Helicobacter pylori which is considered a type I carcinogen. The development of gastric cancer involves a progression from gastritis to intestinal metaplasia and eventual adenocarcinoma, with steps including chronic non-atrophic gastritis triggered by H. pylori infection.
FRONTIERS IN MICROBIOLOGY
(2021)
Editorial Material
Oncology
James R. Goldenring
Summary: Intestinal-type gastric cancer can arise from precancerous metaplastic lineages, specifically from spasmolytic polypeptide-expressing metaplasia (SPEM) cells. A recent study identified an activating Kras(G12D) mutation in SPEM cells, which propagated into adenomatous and cancerous lesions, suggesting that SPEM lineages can serve as a direct precursor for dysplasia and intestinal-type gastric cancer.
JOURNAL OF PATHOLOGY
(2023)
Article
Gastroenterology & Hepatology
Lusheng Song, Minkyo Song, Charles S. Rabkin, Yunro Chung, Stacy Williams, Javier Torres, Alejandro H. Corvalan, Robinson Gonzalez, Enrique Bellolio, Mahasish Shome, Joshua LaBaer, Ji Qiu, M. Constanza Camargo
Summary: Our study provides a comprehensive assessment of anti-H. pylori antibody profiles in gastric intestinal metaplasia (IM). The identified novel antibodies against target antigens, in addition to CagA, may play a role in the progression of IM. Specific H. pylori antibodies, along with other biomarkers, can help identify IM patients for surveillance.
JOURNAL OF GASTROENTEROLOGY
(2023)
Review
Biochemistry & Molecular Biology
Olga Sokolova, Michael Naumann
Summary: Infection with H. pylori triggers a robust cellular response in the host, potentially leading to gastric cancer. The regulation of cellular processes through ubiquitinylation mechanisms influences various pathologies including cancer, yet the exact impact of H. pylori on this process remains unclear.
CELLULAR AND MOLECULAR LIFE SCIENCES
(2021)
Article
Pharmacology & Pharmacy
Lindsay Morningstar-Wright, Steven J. Czinn, M. Blanca Piazuelo, Aditi Banerjee, Renata Godlewska, Thomas G. Blanchard
Summary: In this study, the role of Tipalpha protein in promoting inflammation and the associated molecular pathways were investigated in Helicobacter pylori infection. The results showed that mice infected with Tipalpha-expressing H. pylori had higher levels of inflammatory cytokines expression and more severe gastritis compared to mice infected with a Tipalpha mutant strain. Microarray analysis also indicated the upregulation of the NF kappa B pathway in gastric epithelial cells co-cultured with recombinant Tipalpha protein.
FRONTIERS IN PHARMACOLOGY
(2022)
Article
Gastroenterology & Hepatology
Du-Min Go, Seung Hyun Lee, Su-Hyung Lee, Sang-Ho Woo, Kibyeong Kim, Kyeongdae Kim, Kyu Seong Park, Jong-Hwan Park, Sang-Jun Ha, Woo Ho Kim, Jae-Hoon Choi, Dae-Yong Kim
Summary: In Helicobacter-induced gastritis, PD-L1 may play a role in regulating immune responses. Gastric classical DCs express significantly higher levels of PD-L1 compared to other immune cells. Furthermore, PD-L1-expressing DCs co-localize with T cells and show a positive correlation with H pylori infection.
CELLULAR AND MOLECULAR GASTROENTEROLOGY AND HEPATOLOGY
(2021)
Editorial Material
Microbiology
Agustina Taglialegna
Summary: In this study, Sharafutdinov et al. report the identification of a single nucleotide polymorphism in the gene encoding the HtrA protease of Helicobacter pylori that is linked to gastric cancer.
NATURE REVIEWS MICROBIOLOGY
(2023)
Article
Multidisciplinary Sciences
Tomohiko Yasuda, Hyun Seok Lee, Su Youn Nam, Hiroto Katoh, Yuko Ishibashi, Somay Yamagata Murayama, Hidenori Matsui, Hiroki Masuda, Emiko Rimbara, Nobuyuki Sakurazawa, Hideyuki Suzuki, Hiroshi Yoshida, Yasuyuki Seto, Shumpei Ishikawa, Seong Woo Jeon, Masahiko Nakamura, Sachiyo Nomura
Summary: Genetic analysis and culturing techniques for gastric non-Helicobacter pylori Helicobacter (NHPH) are advancing, with NHPH reported to accompany certain gastric conditions. A study on Korean gastric cancer patients found a low percentage positive for NHPH, suggesting it may play a role in gastric cancer development, albeit with lower pathogenicity compared to H. pylori.
SCIENTIFIC REPORTS
(2022)
Article
Cell Biology
Xinhua Liang, Wenjun Du, Ling Huang, Li Xiang, Wenxu Pan, Fangying Yang, Fengfeng Zheng, Yongwu Xie, Lanlan Geng, Sitang Gong, Wanfu Xu
Summary: This study found that Helicobacter pylori promotes gastric intestinal metaplasia through the kynurenine pathway of tryptophan metabolism, which activates CDX2 gene expression in gastric epithelial cells. Inhibition of kynurenine aminotransferase II (KAT2) activity can reverse the effect of H. pylori on CDX2 expression.
CELL COMMUNICATION AND SIGNALING
(2023)
Article
Chemistry, Applied
Nguyen Quang Hung, Nguyen Thi Hong Anh, Nguyen Sinh Khang, Nguyen Thi Thanh Huong, Nguyen Thi Luyenb, Dang Viet Hau, Nguyen Tien Dat
Summary: The chemical composition and anti-inflammatory activity of the endemic Lysimachia baviensis were studied for the first time in this research. A new stilbene and two new chalcone glycosides were isolated from the methanol extract of L. baviensis. These compounds showed strong inhibition of nitric oxide production in LPS-induced cells.
NATURAL PRODUCT RESEARCH
(2023)
Article
Cell & Tissue Engineering
Jayati Chakrabarti, Martha Dua-Awereh, Michael Schumacher, Amy Engevik, Jennifer Hawkins, Michael A. Helmrath, Yana Zavros
Summary: Sonic Hedgehog (Shh) plays a crucial role in gastric epithelial regeneration by stimulating macrophage chemotaxis to the injured epithelium. Experimental evidence supports the hypothesis that Shh promotes macrophage migration through a Smo-dependent mechanism.
NPJ REGENERATIVE MEDICINE
(2022)
Article
Plant Sciences
Nguyen Hoang Anh, Duong Thi Hai Yen, Nguyen The Cuong, Bui Huu Tai, Pham Hai Yen, Pham The Chinh, Pham Van Cuong, Nguyen Hoai Nam, Phan Van Kiem, Su-Hyeon Cho, SeonJu Park, Nguyen Xuan Nhiem
Summary: Four new compounds were isolated from the leaves of Mallotus apelta and their structures were determined. However, none of these compounds showed cytotoxic activity against human prostate cancer and breast cancer cells.
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH
(2023)
Article
Plant Sciences
Bui Thi Mai Anh, Do Thi Trang, Hoang Thi Tuyet Lan, Phan Van Kiem, Bui Huu Tai, Nguyen Viet Dung, Ninh Khach Thanh Nam, Nguyen The Cuong, Nguyen Xuan Nhiem, Nguyen Thi Mai
Summary: One new phenylpropanoid glycoside and 13 known compounds were isolated from Tinospora sinensis (Lour.) Merr. The phenylpropanoid glycoside showed significant inhibitory activity against NO production in macrophages. Several other compounds also exhibited moderate NO inhibitory activity.
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH
(2023)
Article
Biotechnology & Applied Microbiology
Feiran Li, Fanghua Li, Russell Urie, Elizabeth Bealer, Ramon Ocadiz Ruiz, Eiji Saito, Ali Turan, Esma Yolcu, Haval Shirwan, Lonnie D. Shea
Summary: The direct modulation of T cell responses is a promising therapeutic strategy to modulate undesired immune responses. This study demonstrated the design of membrane-coated nanoparticles (MCNPs) that can directly interact and modulate T cells. The engineered MCNPs showed the ability to promote antigen-specific responses, activate T cells, and induce apoptosis. In summary, MCNPs represent a tunable platform to directly interact with and modulate T cell responses.
BIOTECHNOLOGY AND BIOENGINEERING
(2023)
Article
Clinical Neurology
Bach Xuan Tran, Tham Thi Nguyen, Hao Si Anh Nguyen, Laurent Boyer, Pascal Auquier, Guillaume Fond, Ha Thi Nhi Tran, Hung Manh Nguyen, Jongkwan Choi, Carl A. Latkin, Cyrus S. H. Ho, Syeda F. Husain, Roger S. McIntyre, Melvyn W. B. Zhang, Roger C. M. Ho
Summary: This study evaluated the potential of portable fNIRS as an adjunct diagnostic tool for bipolar and unipolar disorders during cognitive tasks. The study found differences in hemodynamics measured by fNIRS between bipolar and unipolar disorder patients during cognitive tasks. Therefore, assessing hemodynamics using portable fNIRS during cognitive tasks may serve as an adjunct diagnostic tool for mood disorders in low-resource environments.
JOURNAL OF AFFECTIVE DISORDERS
(2023)
Article
Psychiatry
Bach Xuan Tran, Tham Thi Nguyen, Laurent Boyer, Guillaume Fond, Pascal Auquier, Hao Si Anh Nguyen, Ha Thi Nhi Tran, Hung Manh Nguyen, Jongkwan Choi, Huong Thi Le, Carl A. Latkin, Kalpana Isabel Nathan, Syeda F. Husain, Roger S. McIntyre, Cyrus S. H. Ho, Melvyn W. B. Zhang, Roger C. M. Ho
Summary: This study aimed to evaluate the use of a portable fNIRS device as a diagnostic tool for assessing hemodynamics in people with schizophrenia in Vietnam. The results showed that individuals with schizophrenia did not exhibit significant activation in the frontal lobe during cognitive tasks. However, during the Verbal Fluency Test, certain areas of the prefrontal cortex showed promising diagnostic potential for schizophrenia.
FRONTIERS IN PSYCHIATRY
(2023)
Article
Public, Environmental & Occupational Health
Vu Anh Trong Dam, Ha Ngoc Do, Thao Bich Thi Vu, Khanh Long Vu, Hoang Minh Do, Nga Thu Thi Nguyen, Tham Thi Nguyen, Thuc Minh Thi Vu, Thao Phuong Thi Nguyen, Pascal Auquier, Laurent Boyer, Guillaume Fond, Carl A. Latkin, Cyrus S. H. Ho, Roger C. M. Ho
Summary: This study aims to explore the associations of the parent-child relationship, self-esteem, and resilience on the mental wellbeing and satisfaction with life of Vietnamese adolescents. The results showed that factors such as family support and sharing, higher academic performance, self-esteem, and resilience had a positive effect on life satisfaction and mental wellbeing. Female participants had higher satisfaction with life but lower mental wellbeing scores compared to male participants.
FRONTIERS IN PUBLIC HEALTH
(2023)
Article
Gastroenterology & Hepatology
Callie Cuff, Lisa D. D. Lin, Swapna Mahurkar-Joshi, Jonathan P. P. Jacobs, Venu Lagishetty, Nancee Jaffe, Janelle Smith, Tien Dong, Jessica Sohn, Lin Chang
Summary: This study aimed to determine the fructose tolerance threshold in non-constipated, LFD-responsive patients with irritable bowel syndrome (IBS) and assess whether stool microbiome predicted LFD response or fructose tolerance. The results showed that most responders tolerated a sugar dose of 15 g, and the LFD was associated with significant changes in microbial composition and bacterial genes involved in FODMAP metabolism.
NEUROGASTROENTEROLOGY AND MOTILITY
(2023)
Article
Multidisciplinary Sciences
Jing Wang, Ramon Ocadiz-Ruiz, Matthew S. S. Hall, Grace G. G. Bushnell, Sophia M. M. Orbach, Joseph T. T. Decker, Ravi M. M. Raghani, Yining Zhang, Aaron H. H. Morris, Jacqueline S. S. Jeruss, Lonnie D. D. Shea
Summary: 3D scaffolds can mimic the microenvironment of primary tumors and metastatic organs, providing a platform to study the roles of neutrophils in regulating lung metastasis. The study reveals that neutrophils play multifaceted roles in attracting lung-tropic circulating tumor cells and establishing immune environments that direct different fates of cancer cells.
NATURE COMMUNICATIONS
(2023)
Meeting Abstract
Oncology
Jing Wang, Ramon Ocadiz-Ruiz, Matthew Hall, Grace Bushnell, Sophia Orbach, Joseph Decker, Ravi Raghani, Yining Zhang, Aaron Morris, Jacqueline Jeruss, Lonnie Shea
Article
Health Care Sciences & Services
Quy-Chau Ngo, Lan Phuong Thi Doan, Giap Van Vu, Thu-Phuong Phan, Hanh Thi Chu, Anh Tu Duong, Quan-Hoang Vuong, Manh-Tung Ho, Minh-Hoang Nguyen, Thu-Trang Vuong, Tham Thi Nguyen, Hien Thu Nguyen, Anh Hai Tran Nguyen, Cyrus S. H. Ho, Roger C. M. Ho
Summary: This study examined the satisfaction of smokers who used the QUITLINE service and identified factors associated with their quit attempts and cessation. The results showed that 65.5% of participants were completely satisfied with the counseling service, but the smoking relapse rate was relatively high. The study also found that staff's capacity and motivation were associated with quit attempts and successful cessation, suggesting the need to focus on preventing smoking relapse and strengthening staff training to improve client motivation.
Review
Health Care Sciences & Services
Linh Phuong Doan, Long Hoang Nguyen, Ha Ngoc Do, Tham Thi Nguyen, Giang Thu Vu, Hoa Thi Do, Carl A. Latkin, Roger C. M. Ho, Cyrus S. H. Ho
Summary: This study reviewed recent changes in Vietnam's population policies and assessed the intention of giving birth before 30 in young Vietnamese to provide insights into the potential effectiveness of the policy changes among young people. Results showed that measures relating to age, socioeconomic and biological characteristics, resources of the local health systems, as well as a clean and safe living environment should be incorporated under this policy, implying that further interventions need to be taken into account to cope with delayed childbearing.
Article
Chemistry, Multidisciplinary
Pham Thi Thu Thao, Vo Quoc Trang, Pham Thanh Hai, Nguyen Minh Thong, Nguyen Thi Dong Phuong, Doan Thi Yen Oanh, Pham Cam Nam
Summary: The effect of substituents (Y), including halogen (F and Cl), electron donating (ED), and electron withdrawing (EW) groups, on the thermoparameters and kinetic behavior of reactions between 4Y-ArNH2 and CH3OO center dot was computationally studied. It was found that the electron donating group (ED) reduces the bond dissociation energy (BDE) and ionization energy (IE), and increases the rate of hydrogen transfer reaction of 4Y-ArNH2 and CH3OO center dot.
VIETNAM JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Nguyen Tri, Nguyen Phung Anh, Do Ba Long, Hoang Tien Cuong, Nguyen Thi Thuy Van, Luu Cam Loc
Summary: In this study, a nano-nickel Ni-0 catalyst for bireforming of methane was synthesized from LaNiO3 perovskite using sol-gel method. The obtained catalyst showed high crystallinity and dispersion of nanocrystals. The catalyst exhibited excellent performance in methane bireforming reaction in the temperature range of 550-800 degrees C, with high activity, stability, and coke tolerance.
VIETNAM JOURNAL OF CHEMISTRY
(2022)