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Development of Immunocompetence01:22

Development of Immunocompetence

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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
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Transcytosis of IgG01:15

Transcytosis of IgG

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Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
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Vaccinations01:51

Vaccinations

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Overview
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Active versus Passive Immunity01:31

Active versus Passive Immunity

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Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
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Immunological Memory01:23

Immunological Memory

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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母親の予防接種について

Denise J Jamieson1, Flor M Munoz, Sonja A Rasmussen

  • 1University of Iowa Health Care, Iowa City, Iowa; the Division of Infectious Diseases, Department of Pediatrics, and the Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas; and the Department of Genetic Medicine and the Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Obstetrics and gynecology
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PubMed
まとめ
この要約は機械生成です。

妊産婦の予防接種は,母親と乳児を感染症から安全に保護します. Tdap,インフルエンザ,COVID-19,RSVなどの推奨ワクチンは,母と子の両方の抗体保護を強化します.

さらに関連する動画

Induction of Maternal Immune Activation in Mice at Mid-gestation Stage with Viral Mimic PolyI:C
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科学分野:

  • 産婦人科と産婦人科を担当しています.
  • 免疫学 免疫学とは
  • 感染症 感染症は感染症です.

背景:

  • 妊婦の予防接種は,妊婦と乳児の両方に感染症に対する二重の保護を提供します.
  • 胎盤と母乳を通して伝達される抗体は,ワクチン接種には若すぎる新生児に受動的免疫を与えます.
  • 不活性化ワクチンは,妊娠中に一般的に安全であり,生体弱化ワクチンは,胎児に対する理論的なリスクのために,一般的に避けられます.

研究 の 目的:

  • 妊娠中の女性のワクチン接種に関する現在の勧告を見直す.
  • 母親と乳児を保護するための母性免疫の利点を強調する.
  • 妊娠に関連した新しいワクチンの進行中の研究について議論する,例えばグループBのストレプトコッカス (GBS) に対する.

主な方法:

  • 母親のワクチン接種に関する現在の科学文献と臨床ガイドラインのレビュー.
  • 妊娠中のワクチンの安全性プロファイルと有効性の分析.
  • 妊婦群の推奨ワクチンおよび条件付き推奨ワクチンの検討.

主要な成果:

  • 妊娠中の定期ワクチン接種は,テタヌス・トキソイド,リダクト・ディフテリア・トキソイド,非細胞性 pertussis (Tdap),インフルエンザ,COVID-19,およびRSVワクチンのために推奨されています.
  • 母親の免疫戦略は,抗体濃度を高め,乳児に直接的・間接的な保護を提供します.
  • ワクチン接種による重篤な母子疾患の予防の利点は,一般的には潜在的なリスクを上回ります.

結論:

  • 妊産婦の免疫は,母と乳児の健康状態を改善するための重要な公衆衛生戦略です.
  • 妊娠に特異的な感染症を標的としたワクチンの継続的な研究と開発は不可欠です.
  • 妊娠中のワクチン接種の決定は,個々の状況を考慮して,病気のリスクとワクチン接種の利点のバランスを取るべきです.