相关实验视频

Updated: Jul 15, 2025

Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells

Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells

Published on: August 19, 2016

菌 pyogenes: 病原和疫苗的当前状态

Jiachao Wang¹, Cuiqing Ma¹, Miao Li¹

¹Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang 050017, China.

|September 28, 2023

概括

开发一种安全有效的针对Streptococcus pyogenes (GAS) 的疫苗对于全球健康至关重要. 本审查审查了GAS毒性因素和候选疫苗,以克服发展挑战.

科学领域:

微生物学和免疫学
疫苗开发疫苗开发
传染性疾病传染性疾病

背景情况:

杆菌 pyogenes (A 组杆菌; GAS) 引起重要的全球性疾病,从喉炎到重症状况,如死性带炎和毒性休克综合征.
目前针对GAS感染的抗生素治疗有局限性,包括治疗失败和无法预防所有后续疾病.
最近的红热病爆发突显了迫切需要有效预防GAS疾病的迫切需要.

研究的目的:

审查Streptococcus pyogenes的关键毒性因素,这些因素有助于疾病的发病.
分析了解这些毒性因素如何影响了GAS疫苗开发的进展.
突出开发安全有效的GAS疫苗的挑战和考虑因素,包括抗原选择和自身免疫反应避免.

主要方法:

对Streptococcus pyogenes病毒性因素的综合文献综述.
分析历史和正在进行的GAS疫苗开发工作.
专注于在开发管道中已经进步的候选疫苗.

主要成果:

确定了关键的GAS毒性因素,这些因素是疫苗开发的目标.
讨论了GAS的遗传异质性和各种自身免疫反应作为疫苗创造的主要障碍.
突出了几个有前途的候选疫苗,目前处于先进的开发阶段.

结论:

安全有效的GAS疫苗是最有前途的策略,可以广泛打击与GAS相关的疾病.
克服与抗原选择,自身免疫反应和疫苗覆盖率相关的挑战对于成功开发GAS疫苗至关重要.
持续的研究和开发对于加速获得急需的GAS疫苗至关重要.

关键词:

M 蛋白质 M 蛋白质的使用.一个辅助的辅助者.抗原是一种抗原.一组甲型链球菌.类风湿性发烧类风湿性发烧疫苗疫苗疫苗疫苗

更多相关视频

Opsono-Adherence Assay to Evaluate Functional Antibodies in Vaccine Development Against Bacillus anthracis and Other Encapsulated Pathogens

Opsono-Adherence Assay to Evaluate Functional Antibodies in Vaccine Development Against Bacillus anthracis and Other Encapsulated Pathogens

Published on: May 19, 2020

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Published on: February 23, 2014

相关概念视频

Vaccinations

Vaccinations

Microorganisms in Medicine and Therapeutics

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.

Defense Against Bacterial Pathogens

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...

Rheumatic Heart Disease I: Introduction

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...

Acute Pharyngitis

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

Cancer Vaccines

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...