2021
DOI: 10.3390/cancers13236004
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Multiparametric Circulating Tumor Cell Analysis to Select Targeted Therapies for Breast Cancer Patients

Abstract: Background: The analysis of liquid biopsies, e.g., circulating tumor cells (CTCs) is an appealing diagnostic concept for targeted therapy selection. In this proof-of-concept study, we aimed to perform multiparametric analyses of CTCs to select targeted therapies for metastatic breast cancer patients. Methods: First, CTCs of five metastatic breast cancer patients were analyzed by whole exome sequencing (WES). Based on the results, one patient was selected and monitored by longitudinal and multiparametric liquid… Show more

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Cited by 10 publications
(9 citation statements)
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References 55 publications
(63 reference statements)
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“…The predictive utility of CTCs is currently being investigated: Recent studies such as the STIC-CTC trial or the DETECT-III trial indicate that both their counts and phenotypes such as HER2/neu positivity can be used for drawing decisions to treat breast cancer [4,5]. Moreover, CTCs-as they are intact and living cells-could serve as a biomarker suitable for multiparametric analyses [6].…”
Section: Introductionmentioning
confidence: 99%
“…The predictive utility of CTCs is currently being investigated: Recent studies such as the STIC-CTC trial or the DETECT-III trial indicate that both their counts and phenotypes such as HER2/neu positivity can be used for drawing decisions to treat breast cancer [4,5]. Moreover, CTCs-as they are intact and living cells-could serve as a biomarker suitable for multiparametric analyses [6].…”
Section: Introductionmentioning
confidence: 99%
“…Circulating tumor cells (CTC) are present in the bloodstream in the perioperative cancer surgery setting in numerous entities and usually correlate with tumor size, nodal infiltration, or metastatic spread [ 44 , 45 ] and can be likewise detected in the bone marrow of OSCC patients [ 46 ]. This condition is the foundation for various liquid biopsy methods aiming at early detection as well as for monitoring the course and creating prediction models of malignant diseases [ 47 , 48 , 49 ].…”
Section: Discussionmentioning
confidence: 99%
“…Наиболее популярные методики отбора ЦОК основаны на использовании частиц, конъюгированных с антителами к эпителиальным маркерам [108,109]. В случае применения иммунофенотипирования обычно задействуются как позитивная селекция раковых клеток по эпителиальным маркерам (EpCAM, MUC1, HER2), так и активное устранение лейкоцитов с использованием эпитопа CD45; иногда применяют большее число маркеров [110,111]. Интересны различные модификации микрофлюидных устройств для клеточного сортинга, в которых клетки крови (а среди них -ЦОК), отбираются по физическим и/или иммунофенотипическим критериям, проходя через узкие канальцы биочипа, заполненные буферной средой: в таких устройствах механическое повреждение клеток сводится к минимуму, что позволяет получить жизнеспособные ЦОК, готовые для создания ex vivo клеточных культур, ксенографтов и т.д [106, [112][113][114].…”
Section: ен имянитов еш кулигина га янусunclassified
“…Но анализ ЦОК может эффективно дополнять иные разновидности ЖБ [116]. Уникальность анализа ЦОК заключается в возможности создания ex vivo тестов на чувствительность к лекарственным препаратам [110,111]. Однако на данный момент эта задача, хотя и необычайно многообещающая, все еще носит экспериментальный характер.…”
Section: ен имянитов еш кулигина га янусunclassified
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