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Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Inflammatory Response I: Vascular and Cellular01:30

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
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Inflammatory Bowel Disease II: Crohn's Disease01:30

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
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Three-dimensional Inflammatory Human Tissue Equivalents of Gingiva
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神経細胞 が 炎症 の 問題

Kevin J Tracey1

  • 1Feinstein Institute for Medical Research, Manhasset, New York, USA.

Cell
|May 19, 2018
PubMed
まとめ
この要約は機械生成です。

感覚神経細胞は反射的に免疫反応を抑制し 肉食病では重度の組織損傷を引き起こします この発見は 感染時に神経系と免疫系を結びつける 新しいメカニズムを明らかにしています

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科学分野:

  • 神経免疫学
  • 感染症 の 仕組み

背景:

  • 反射神経回路は免疫を含む生理学的過程の調節体としてますます認識されています.
  • 神経系と免疫系との相互作用を理解することは 複雑な病気の解読に不可欠です

研究 の 目的:

  • 重度の感染症の病原性における反射神経回路の役割を調査する.
  • ストレプトコック性死滅性ファシイチスにおける感覚神経と免疫抑制のメカニズム的関連を解明する.

主な方法:

  • マウスモデルで estreptococcal necrotizing fasciitis を利用しました
  • 病気の重度と免疫細胞の浸透に対する感覚神経の貢献を調査した.
  • ニューロンの信号が前線免疫反応に与える影響を調べました

主要な成果:

  • センサーニューロンは,免疫細胞の徴募と機能を感染部位で積極的に抑制することが判明しました.
  • 感覚神経細胞による神経免疫抑制は, *Streptococcus pyogenes* によって引き起こされる組織破壊を悪化させます.
  • ニューロンの反射をターゲットにすると 新しい治療法となるかもしれません

結論:

  • 反射神経回路は,重度の細菌感染時に免疫反応を調節する上で重要な役割を果たします.
  • 感覚神経細胞は,防御免疫を積極的に阻害し,死滅性ファシイティスの致死性に貢献します.
  • この研究は 感染症と傷害における 新しい神経免疫軸を強調しています