Helicobacter pylori Vaccine: Mechanism of Pathogenesis, Immune Evasion and Analysis of Vaccine Types DOI Creative Commons
Jingwen Gong, Qing Wang, Xing Chen

и другие.

Vaccines, Год журнала: 2025, Номер 13(5), С. 526 - 526

Опубликована: Май 15, 2025

Helicobacter pylori (H. pylori) is a gram-negative, spiral-shaped bacterium that colonizes the human gastric mucosa, leading to various diseases. H. infection has become pressing public health issue affects more than 50% of population worldwide, almost 40 years after its discovery. Traditional treatments, based on use bismuth-based triple and quadruple therapies, are effective while facing series problems, such as difficulty in patient compliance, rise antibiotic resistance, possible recurrence infection. Therefore, development an efficacious vaccine against would be extremely urgent. This review mainly elaborates pathogenic mechanism immune evasion pylori, well strategies adopted development, including whole-cell vaccines, subunit DNA live vector vaccines. Animal studies clinical trials demonstrate vaccines significantly reduce bacterial load provide cellular immunity over some time. Multiple have clarified advantages limitations each candidate vaccine. Although provides benefits global burden, there still significant challenges developing safety, efficacy, availability. Overcoming these challenges, along with advancement technology, can better prevent treat

Язык: Английский

Extracellular vesicles in Helicobacter pylori-mediated diseases: mechanisms and therapeutic potential DOI Creative Commons
Jianjun Wang, Xiuping Wang, Hao Luo

и другие.

Cell Communication and Signaling, Год журнала: 2025, Номер 23(1)

Опубликована: Фев. 11, 2025

Extracellular vesicles (EVs) are relevant elements for cell-to-cell communication and considered crucial in host-pathogen interactions by transferring molecules between the pathogen host during infections. These structures participate various physiological pathological processes promising candidates as disease markers, therapeutic reagents, drug carriers. Both H. pylori epithelial cells infected secrete EVs, which contribute to inflammation development of phenotypes. However, many aspects cellular molecular biology EV functions remain incompletely understood due methodological challenges studying these small structures. This review also highlights roles EVs derived from pylori-infected pathogenesis gastric extragastric diseases. Understanding specific infections, whether advantageous or pathogen, may help new approaches prevent disease.

Язык: Английский

Процитировано

3

Microglia and Gut Microbiota: A Double-Edged Sword in Alzheimer's Disease DOI

Nargis Bano,

Sameera Khan,

Shakir Ahamad

и другие.

Ageing Research Reviews, Год журнала: 2024, Номер unknown, С. 102515 - 102515

Опубликована: Сен. 1, 2024

Язык: Английский

Процитировано

10

Polymicrobial interactions of Helicobacter pylori and its role in the process of oral diseases DOI Creative Commons

Y.F. Fan,

Xi Chen, Tiantian Shan

и другие.

Journal of Oral Microbiology, Год журнала: 2025, Номер 17(1)

Опубликована: Фев. 25, 2025

Objective Helicobacter pylori (H. pylori) infection affects approximately 50% of the global population. The predominant route H. transmission is through oral pathway, making cavity highly significant in its infection. This review focuses on relationship between and diseases, influence microbiota, potential mechanisms involving certain pathogens.

Язык: Английский

Процитировано

2

Association between non-insulin-based insulin resistance surrogate makers and Helicobacter pylori infection: a population-based study DOI Creative Commons
Jiayu Qiu, Yue‐Ming Yu, Dingwei Liu

и другие.

BMC Gastroenterology, Год журнала: 2025, Номер 25(1)

Опубликована: Янв. 21, 2025

Current evidence on the associations between insulin resistance (IR) and Helicobacter pylori (H. pylori) infection remains limited. This study aimed to investigate association non-insulin-based surrogate markers of IR, including triglyceride glucose (TyG) index, high-density lipoprotein cholesterol (TG/HDL-C) ratio, metabolic score for IR (METS-IR), H. in U.S. populations. cross-sectional involving 939 participants from National Health Nutrition Examination Survey (NHANES) 1999–2000. The three were respectively investigated using logistic regression model, restricted cubic spline (RCS) curve subgroup analysis. Three levels significantly elevated participants. There was a positive infection, even after adjusting potential confounding variables by different models. In analysis, adjusted more likely be observed female Non-Hispanic White. Additionally, RCS revealed linear correlation TyG index across all models, METS-IR Model 3. However, nonlinear TG/HDL-C ratio These findings suggest that positively associated with infection. may serve as indicators identifying risk Not applicable.

Язык: Английский

Процитировано

1

Association of helicobacter pylori infection with coronary artery disease and the severity of angiographic lesions DOI Open Access
Nur Özer Şensoy, Selman Ünverdi

Cerasus journal of medicine., Год журнала: 2025, Номер 2(1), С. 38 - 48

Опубликована: Фев. 15, 2025

Objective: There are controversies evaluating the association between different strains of Helicobacter pylori (HP) and occurrence coronary arterial disease (CAD). HP may facilitate gastric ulcers gastrointestinal bleeding. As angiographic lesions high thrombus burden needs more potent risky antithrombotic treatment regimens, we aimed to investigate role for with burden. Methods: Medical drug history 109 consecutive patients who were candidate angiography taken. Blood samples obtained measure anti (Ig) immunoglobulin G anti-CagA (cytotoxin-associated gene) IgG antibody. According reports, participants divided into three groups. Normal (n = 34), no (n=38) 37). To CagA positive less virulan severity CAD, ordinal logistic regression tests used by adjusting age, sex, hypertention, diabetes mellitus , dyslipidemia smoking. Results: The mean ages without CAD 59±14. prevalence seropositivity titer was 69% (n=75). Fifty nine (79%) subject had seropositivity. Positive serology 67% (n=50) 44% (n=15) in control groups respectively. While wasn’t associated lesion severity; independently (OR: 2.4 (1.1-5.6) p=0.03). Conclusion: Colonization an independent risk factor severity..

Язык: Английский

Процитировано

0

The Legalome: Microbiology, Omics and Criminal Justice DOI Creative Commons
Alan C. Logan, Pragya Mishra, Susan L. Prescott

и другие.

Microbial Biotechnology, Год журнала: 2025, Номер 18(3)

Опубликована: Март 1, 2025

ABSTRACT Advances in neuromicrobiology and related omics technologies have reinforced the idea that unseen microbes play critical roles human cognition behaviour. Included this research is evidence indicating gut microbes, through direct indirect pathways, can influence aggression, anger, irritability antisocial Moreover, manufacture chemicals are known to compromise cognition. For example, recent court decisions United States Europe acknowledge produce high levels of ethanol, without consumption alcohol by defendants. The dismissal driving while intoxicated charges these cases—so‐called auto‐brewery syndrome—highlights way which microbiome knowledge will enhance precision, objectivity fairness our legal systems. Here opinion essay, we introduce concept ‘legalome’—the application science forensic psychiatry criminal law. We argue rapid pace microbial discoveries, including those challenge ideas free moral responsibility, necessitate a reconsideration traditional doctrines justifications retributive punishment. implications extend beyond courtroom, challenging us reconsider how environmental factors—from diet socioeconomic conditions—might shape preventative rehabilitative efforts their effects on microbiome.

Язык: Английский

Процитировано

0

Identification of Released Bacterial Extracellular Vesicles Containing Lpp20 from Helicobacter pylori DOI Creative Commons
Aoi Okamoto,

Tatsuki Shibuta,

N. Morita

и другие.

Microorganisms, Год журнала: 2025, Номер 13(4), С. 753 - 753

Опубликована: Март 26, 2025

Helicobacter pylori is a pathogenic bacterium that causes gastric and extragastric diseases. We have previously demonstrated one of the mechanisms H. pylori-associated chronic immune thrombocytopenia involves complexes platelets, protein Lpp20 an anti-Lpp20 antibody. However, it remains unclear how enters body. hypothesize bacterial extracellular vesicles (bEVs) transport Lpp20. Thus, this study assessed in bEVs released from seven clinical isolates, using immunoprecipitation (IP), immunoblotting (IB), surface plasmon resonance imaging (SPRi), with anti-GroEL (a marker bEVs) antibodies. were each detected lysates all strains. IP–IB experiments containing produced by five strains (J99, SS1, HPK5, JSHR3, JSHR31). SPRi antibody significantly higher reflectance strain HPK5 than its lpp20-disrupted (p < 0.01), indicating localization on bEVs’ surface; may also be contained within bEVs. The not two (26695 JSHR6) or (26695ΔLpp20 HPK5ΔLpp20). Differences detection are likely due to variations bEV production resulting diversity.

Язык: Английский

Процитировано

0

Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and Helicobacter pylori infection DOI Creative Commons
Jiayu Qiu, Dingwei Liu,

Chengyun Wu

и другие.

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Апрель 12, 2025

Evidence on the association between non-high-density lipoprotein cholesterol to high-density ratio (NHHR) and Helicobacter pylori (H. pylori) infection remains limited. This study investigates this correlation based U.S. population. cross-sectional research included data 834 participants from National Health Nutrition Examination Survey 1999-2000. The NHHR H. was examined using logistic regression models, restricted cubic spline (RCS) curve subgroup analyses. Individuals with exhibited significantly higher value. A significant positive observed across all three even after adjusting for potential confounders, a stronger noted in males, individuals under 60 years of age, non-Hispanic White participants. These findings suggest may act as non-invasive biomarker detecting populations.

Язык: Английский

Процитировано

0

Sleep-promoting mechanism of Lactobacillus plantarum P8 combined with traditional Chinese medicine revealed by network pharmacology, microbiome, metabolome, and transcriptome analyses DOI
Boyuan Guan, Xiayu Liu, Ziyi Hu

и другие.

Food Bioscience, Год журнала: 2025, Номер unknown, С. 106606 - 106606

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0

Helicobacter pylori Vaccine: Mechanism of Pathogenesis, Immune Evasion and Analysis of Vaccine Types DOI Creative Commons
Jingwen Gong, Qing Wang, Xing Chen

и другие.

Vaccines, Год журнала: 2025, Номер 13(5), С. 526 - 526

Опубликована: Май 15, 2025

Helicobacter pylori (H. pylori) is a gram-negative, spiral-shaped bacterium that colonizes the human gastric mucosa, leading to various diseases. H. infection has become pressing public health issue affects more than 50% of population worldwide, almost 40 years after its discovery. Traditional treatments, based on use bismuth-based triple and quadruple therapies, are effective while facing series problems, such as difficulty in patient compliance, rise antibiotic resistance, possible recurrence infection. Therefore, development an efficacious vaccine against would be extremely urgent. This review mainly elaborates pathogenic mechanism immune evasion pylori, well strategies adopted development, including whole-cell vaccines, subunit DNA live vector vaccines. Animal studies clinical trials demonstrate vaccines significantly reduce bacterial load provide cellular immunity over some time. Multiple have clarified advantages limitations each candidate vaccine. Although provides benefits global burden, there still significant challenges developing safety, efficacy, availability. Overcoming these challenges, along with advancement technology, can better prevent treat

Язык: Английский

Процитировано

0