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The Tumor Microenvironment02:17

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
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The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Studying the Effects of Tumor-Secreted Paracrine Ligands on Macrophage Activation using Co-Culture with Permeable Membrane Supports
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腫瘍 と 微生物 の 関係

Gerlanda Vella1, Maria Rescigno1,2

  • 1IRCCS Humanitas Research Hospital, Milan, Italy.

Molecular oncology
|September 4, 2025
PubMed
まとめ
この要約は機械生成です。

腫瘍関連細菌 (TAB) は腫瘍の微環境 (TME) と相互作用し,がんの進行と治療に影響を与えます. これらの宿主-微生物の相互作用を理解することは 新しいがん治療法の開発の鍵です

キーワード:
腫瘍内微生物群メタスタシス治療効果腫瘍の微小環境

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科学分野:

  • 腫瘍学
  • 微生物学
  • 免疫学

背景:

  • 腫瘍は微生物を含む 複雑な生態系として認識され 腫瘍の不妊状態に 異議を唱えています
  • 腫瘍関連細菌 (TAB) は,腫瘍の微環境 (TME) との複雑なクロストラックに関与する.
  • この相互作用は,免疫,転移,治療効果を含む重要な癌の特徴に影響します.

研究 の 目的:

  • 腫瘍関連細菌 (TAB) と癌におけるその役割に関する現在の知識を要約する.
  • TME内のTABの起源と機能に関する重要な疑問を強調する.
  • ガン生物学における宿主-微生物の相互作用のメカニズムを探求する.

主な方法:

  • 腫瘍微生物学の分野における最近の発見の文献レビューと合成.
  • TABとTMEの細胞構成要素の相互作用の分析
  • 重要な知識のギャップと将来の研究方向の特定

主要な成果:

  • TABはTMEの不可欠な構成要素であり,宿主の免疫と癌の進行に影響を与えます.
  • TABが腫瘍生物学に影響する正確なメカニズムはまだ研究中です.
  • TME内の宿主-微生物の相互作用は,潜在的な治療目標を示しています.

結論:

  • TAB-TMEの相互作用を解読することは,がん治療の進歩に不可欠です.
  • バクテリアの源と機能的な役割に関するさらなる研究が必要である.
  • 宿主と微生物の交信をターゲットにすることで 癌治療の新たな戦略が生まれます