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関連する概念動画

Murine Nasal Lavage Fluid Collection without Blood Contamination05:12

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The present protocol describes a novel method for avoiding blood contamination in murine nasal lavage fluid (NLF). Since this method ensures the NLF collection without blood contamination, it allows for more accurate detections of immunological components and various respiratory...
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OSTSS leads to pooled inflammatory mediators in the tear film, causing symptoms like epiphora and discomfort. Here, we present a case where therapeutic nasolacrimal lavage every 2 months resolved epiphora and itchiness, suggesting its efficacy as a therapeutic intervention for OSTSS. Additionally, we report subjective improvements in symptoms in 3 additional...
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Saline nasal lavage can be used to sample the canine nasal immune microenvironment. Because the approach is relatively non-invasive and does not disrupt the nasal tissues, it can be performed serially. Cells and proteins collected from the nasal lavage technique can be processed for various laboratory analyses.
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A protocol for conducting a challenge in an allergen exposure chamber (AEC) facility is presented. AECs have proven to be safe and effective tools for the induction of allergic symptoms or as an endpoint in the efficacy testing of allergen immunotherapy due to their ability to maintain stable particle concentrations and environmental...
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Batrachochytrium dendrobatidis infection in amphibians can be eliminated using a reduced concentration (0.0025%) and shorter duration (five minute baths for six days) of itraconazole than is generally used. Less mortality and fewer negative side effects were observed using this modified treatment...
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A method to intranasally administer drugs to awake mice for the purpose of targeting the brain is described. This method allows for repeat dosing over long periods using intranasal administration of drug without anesthesia, and nose-to-brain delivery with minimal systemic...
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関連する実験動画

Updated: Jan 7, 2026

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
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生態学:ダーウィンの自然化仮説が挑戦された.

Richard P Duncan1, Peter A Williams

  • 1Ecology and Entomology Group, Soil, Plant and Ecological Sciences Division, PO Box 84, Lincoln University, Canterbury, New Zealand. duncanr@lincoln.ac.nz

Nature
|June 7, 2002
PubMed
まとめ

ニュージーランドのネイティブの親戚を持つ導入された植物は,自然化する可能性が高くなります. この発見は,ダーウィンの自然化仮説に異議を唱え,共通の特徴が確立を助ける可能性があることを示唆しています.

科学分野:

  • エコロジー エコロジー エコロジー
  • 植物学 植物学
  • 進化生物学の進化生物学について

背景:

  • 自然化した植物は,生態系と経済に大きな影響を与えます.
  • ダーウィンの自然化仮説は,入植された種は,先住の親類を持つ地域ではより大きな課題に直面すると主張しています.
  • この仮説は,競争や本土の害虫や病気に対する感受性の増大が,植民を妨げることを示唆しています.

研究 の 目的:

  • ニュージーランドからのデータを用いて,ダーウィンの自然化仮説を検証する.
  • 導入された種子植物種の自然化の成功に影響を与える要因を調査する.

主な方法:

  • ニュージーランドに導入された種子植物種の包括的なリストの分析.
  • 固有の先住民種の存在と,導入された種の自然化状態の関係に関する統計的調査.

主要な成果:

  • ダーウィンの仮説とは対照的に,同胞的な親戚を持つ導入種は,自然化する可能性が著しく高かった.
  • この研究では,ネイティブの親戚の存在と成功した入籍との間の正の相関が示されました.

結論:

  • ダーウィンの自然化仮説は,特にニュージーランドの文脈では,普遍的に適用されないかもしれません.

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  • 導入された同胞種と本来の同胞種の間の共通の特徴は,それらを新しい環境に事前に適応させ,自然化を促進する可能性があります.