Despite improved survival outcomes across many cancer types,the prognosis remains grim for certain solid organ cancers including glioblastoma and pancreatic cancer.Invariably in these cancers,the control achieved by t...Despite improved survival outcomes across many cancer types,the prognosis remains grim for certain solid organ cancers including glioblastoma and pancreatic cancer.Invariably in these cancers,the control achieved by time-limited interventions such as traditional surgical resection,radiation therapy,and chemotherapy is short-lived.A new form of anti-cancer therapy called therapeutic alternating electric fields(AEFs)or tumor treating fields(TTFields)has been shown,either by itself or in combination with chemotherapy,to have anti-cancer effects that translate to improved survival outcomes in patients.Although the pre-clinical and clinical data are promising,the mechanisms of TTFields are not fully elucidated.Many investigations are underway to better understand how and why TTFields is able to selectively kill cancer cells and impede their proliferation.The purpose of this review is to summarize and discuss the reported mechanisms of action of TTFields from pre-clinical studies(both in vitro and in vivo).An improved understanding of how TTFields works will guide strategies focused on the timing and combination of TTFields with other therapies,to further improve survival outcomes in patients with solid organ cancers.展开更多
In accordance with the World Health Organization data,cancer remains at the forefront of fatal diseases.An upward trend in cancer incidence and mortality has been observed globally,emphasizing that efforts in developi...In accordance with the World Health Organization data,cancer remains at the forefront of fatal diseases.An upward trend in cancer incidence and mortality has been observed globally,emphasizing that efforts in developing detection and treatment methods should continue.The diagnostic path typically begins with learning the medical history of a patient;this is followed by basic blood tests and imaging tests to indicate where cancer may be located to schedule a needle biopsy.Prompt initiation of diagnosis is crucial since delayed cancer detection entails higher costs of treatment and hospitalization.Thus,there is a need for novel cancer detection methods such as liquid biopsy,elastography,synthetic biosensors,fluorescence imaging,and reflectance confocal microscopy.Conventional therapeutic methods,although still common in clinical practice,pose many limitations and are unsatisfactory.Nowadays,there is a dynamic advancement of clinical research and the development of more precise and effective methods such as oncolytic virotherapy,exosome-based therapy,nanotechnology,dendritic cells,chimeric antigen receptors,immune checkpoint inhibitors,natural product-based therapy,tumor-treating fields,and photodynamic therapy.The present paper compares available data on conventional and modern methods of cancer detection and therapy to facilitate an understanding of this rapidly advancing field and its future directions.As evidenced,modern methods are not without drawbacks;there is still a need to develop new detection strategies and therapeutic approaches to improve sensitivity,specificity,safety,and efficacy.Nevertheless,an appropriate route has been taken,as confirmed by the approval of some modern methods by the Food and Drug Administration.展开更多
基金supported by the McNair Medical Institute at The Robert and Janice McNair Foundation.
文摘Despite improved survival outcomes across many cancer types,the prognosis remains grim for certain solid organ cancers including glioblastoma and pancreatic cancer.Invariably in these cancers,the control achieved by time-limited interventions such as traditional surgical resection,radiation therapy,and chemotherapy is short-lived.A new form of anti-cancer therapy called therapeutic alternating electric fields(AEFs)or tumor treating fields(TTFields)has been shown,either by itself or in combination with chemotherapy,to have anti-cancer effects that translate to improved survival outcomes in patients.Although the pre-clinical and clinical data are promising,the mechanisms of TTFields are not fully elucidated.Many investigations are underway to better understand how and why TTFields is able to selectively kill cancer cells and impede their proliferation.The purpose of this review is to summarize and discuss the reported mechanisms of action of TTFields from pre-clinical studies(both in vitro and in vivo).An improved understanding of how TTFields works will guide strategies focused on the timing and combination of TTFields with other therapies,to further improve survival outcomes in patients with solid organ cancers.
文摘In accordance with the World Health Organization data,cancer remains at the forefront of fatal diseases.An upward trend in cancer incidence and mortality has been observed globally,emphasizing that efforts in developing detection and treatment methods should continue.The diagnostic path typically begins with learning the medical history of a patient;this is followed by basic blood tests and imaging tests to indicate where cancer may be located to schedule a needle biopsy.Prompt initiation of diagnosis is crucial since delayed cancer detection entails higher costs of treatment and hospitalization.Thus,there is a need for novel cancer detection methods such as liquid biopsy,elastography,synthetic biosensors,fluorescence imaging,and reflectance confocal microscopy.Conventional therapeutic methods,although still common in clinical practice,pose many limitations and are unsatisfactory.Nowadays,there is a dynamic advancement of clinical research and the development of more precise and effective methods such as oncolytic virotherapy,exosome-based therapy,nanotechnology,dendritic cells,chimeric antigen receptors,immune checkpoint inhibitors,natural product-based therapy,tumor-treating fields,and photodynamic therapy.The present paper compares available data on conventional and modern methods of cancer detection and therapy to facilitate an understanding of this rapidly advancing field and its future directions.As evidenced,modern methods are not without drawbacks;there is still a need to develop new detection strategies and therapeutic approaches to improve sensitivity,specificity,safety,and efficacy.Nevertheless,an appropriate route has been taken,as confirmed by the approval of some modern methods by the Food and Drug Administration.