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相关概念视频

Cancer02:18

Cancer

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Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
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The Tumor Microenvironment02:17

The Tumor Microenvironment

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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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Metastasis02:30

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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.
Epithelial-to-Mesenchymal Transition
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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Cell Motility through Blebbing01:16

Cell Motility through Blebbing

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Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
Blebbing Through the Matrix
In multicellular...
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Tumor Immunotherapy01:27

Tumor Immunotherapy

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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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把瘤泡成一种忘记.

Janet Rae-Dupree

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    组织缩,一种非侵入性的超声疗法,使瘤液化,以便自然吸收. 这种创新的癌症治疗方法显示出更广泛的应用和免疫系统刺激的潜力.

    科学领域:

    • 在瘤学瘤学.
    • 医疗技术 医疗技术 医学技术
    • 超声波物理 超声波物理

    背景情况:

    • 癌症干预需要创新的,最少侵入性的方法.
    • 目前的治疗方法可能有局限性,包括化疗的禁忌或患者的资格.
    • 基因组治疗提供了一种用于瘤切除的新型非侵入性方法.

    研究的目的:

    • 为了引入组织透作为一种新的癌症干预模式.
    • 为了突出介质的机制和优势.
    • 为了探索潜在的未来应用和免疫调节效应的组织缩.

    主要方法:

    • 使用超聚焦的超声波来创建毫米大小的切除区域.
    • 采用非侵入性输送超声波能量来液化瘤组织.
    • 利用身体的自然过程来进行非细胞碎片的再吸收.

    主要成果:

    • 组织缩成功地液化瘤,使身体能够重新吸收由此产生的非细胞碎片.
    • 该疗法是FDA批准用于肝脏瘤,并显示扩张的潜力.
    • 基因组可以与化学疗法等全身疗法同时使用.
    • 这种非侵入性扩大了无法接受手术的患者的治疗选择.

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  • 组织缩避免了热或辐射,保护周围的健康组织.
  • 新兴研究表明潜在的免疫系统刺激,导致未经治疗的瘤回归.

    • 结论:

    • 基因组瘤代表了癌症护理的重大进步,提供了一种非侵入性切除方法.
    • 它与全身疗法的兼容性和治疗更广泛患者群体的能力是其关键优势.
    • 进一步研究将组织缩与免疫疗法结合起来,可能会提高其对难以治疗的瘤的疗效.