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Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Tumor Immunotherapy01:27

Tumor Immunotherapy

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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関連する実験動画

Updated: Jul 18, 2026

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma
10:52

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Published on: March 30, 2018

遺伝子治療:リンパ腫を引き起こす治療用遺伝子.

Niels-Bjarne Woods1, Virginie Bottero, Manfred Schmidt

  • 1Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California 92037, USA.

Nature
|April 28, 2006
PubMed
まとめ

IL2RG遺伝子を用いたX関連重症併合免疫不全 (X-SCID) の遺伝子治療はリスクをもたらす可能性があります. 研究によると,治療用遺伝子がマウスモデルにおけるT細胞リンパ腫の発生に寄与する可能性があるという.

科学分野:

  • 免疫学 免疫学とは
  • 遺伝子療法の遺伝子治療法
  • 腫瘍学 腫瘍学

背景:

  • 造血幹細胞を用いた遺伝子治療は,X-結合重症複合免疫不全症 (X-SCID) の治療に有望であることが示されています.
  • しかし,最近の試験では,治療を受けた患者でT細胞白血病の発生が認められ,このアプローチの安全性の再評価を促した.

研究 の 目的:

  • X-SCID遺伝子療法で使用される矯正療法用遺伝子であるIL2RG遺伝子の潜在的腫瘍性作用を調査する.
  • IL2RG遺伝子療法に関連したT細胞リンパ腫の発症リスクを臨床前モデルで評価する.

主な方法:

  • X-SCID.の遺伝子治療をシミュレートするためにマウスモデルが使用されました.
  • この研究は,治療薬としてのIL2RG遺伝子の影響に焦点を当てました.

主要な成果:

  • IL2RG遺伝子は,治療を受けた動物の大部分 (1/3),T細胞リンパ腫の発症に寄与することが判明しました.
  • この発見は,IL2RGが最小限の腫瘍性であるという以前の仮定に異議を唱える.

結論:

  • IL2RG遺伝子を利用したX-SCIDの遺伝子治療は,T細胞リンパ腫を誘発する固有のリスクを伴う可能性があります.

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Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells
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Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells

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A Nonviral Approach to Generate Transient Chimeric Antigen Receptor T Cells Using mRNA for Cancer Immunotherapy
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A Nonviral Approach to Generate Transient Chimeric Antigen Receptor T Cells Using mRNA for Cancer Immunotherapy

Published on: February 21, 2025

関連する実験動画

Last Updated: Jul 18, 2026

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma
10:52

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Published on: March 30, 2018

Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells
09:37

Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells

Published on: August 25, 2021

A Nonviral Approach to Generate Transient Chimeric Antigen Receptor T Cells Using mRNA for Cancer Immunotherapy
09:56

A Nonviral Approach to Generate Transient Chimeric Antigen Receptor T Cells Using mRNA for Cancer Immunotherapy

Published on: February 21, 2025

  • これらの発見は,X-SCID遺伝子療法試験の安全性プロトコルとリスク・ベネフィット分析の慎重な再評価を必要としています.