Name: enrichment for chemoresistant ovarian cancer stem cells from human cell lines
Uploaded: 2014-09-10T15:00:00
Description: Watch this Scientific Journal Video about Enrichment for Chemoresistant Ovarian Cancer Stem Cells from Human Cell Lines at JoVE.com

Serene Samyesudhas and Dr. Lynn Roy assisted in preparing samples for filming.

1 셀 난소 암 세포주의 문화와 형광 표지 <ol><li> SKOV3 매체를 준비 : 10 % 소 태아 혈청 (FBS)으로 보충 된 맥코이 매체는 0.1mm의 L-글루타민, 50 U / ㎖ 페니실린, 50 μg / ml의 스트렙토 마이신. 10 % FBS, 1 mM 피루브산 나트륨, 0.1 mM의의 L-글루타민, 50 U / ㎖의 페니실린으로 보충 된 최소 필수 매체 (MEM)에 OVCA429 세포 및 50 μg / ml의 스트렙토 마이신을 유지한다. </li><li> 5 % CO 2와 37 ° C에서 가습 배양기?...

<ol>
	<li>Pennington, K., Pulaski, H., Pennington, M., Liu, J. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Too+Much+of+a+Good+Thing:+Suicide+Prevention+Promotes+Chemoresistance+in+Ovarian+Carcinoma.">Too Much of a Good Thing: Suicide Prevention Promotes Chemoresistance in Ovarian Carcinoma.</a> Curr Cancer Drug Targets. 10, 575-583 (2010).</li><li>Thigpen, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+rational+approach+to+the+management+of+recurrent+or+persistent+ovarian+carcinoma.">A rational approach to the management of recurrent or persistent ovarian carcinoma.</a> Clin Obstet Gynecol. 55, 114-130 (2012).</li><li>Burgos-Ojeda, D., Rueda, B. R., Buckanovich, R. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ovarian+cancer+stem+cell+markers:+prognostic+and+therapeutic+implications.">Ovarian cancer stem cell markers: prognostic and therapeutic implications.</a> Cancer letters. 322, 1-7 (2012).</li><li>Ma, L., Lai, D., Liu, T., Cheng, W., Guo, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cancer+stem-like+cells+can+be+isolated+with+drug+selection+in+human+ovarian+cancer+cell+line+SKOV3.">Cancer stem-like cells can be isolated with drug selection in human ovarian cancer cell line SKOV3.</a> Acta Biochim Biophys Sin (Shanghai). 42, 593-602 (2010).</li><li>Bonnet, D., Dick, J. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Human+acute+myeloid+leukemia+is+organized+as+a+hierarchy+that+originates+from+a+primitive+hematopoietic+cell.">Human acute myeloid leukemia is organized as a hierarchy that originates from a primitive hematopoietic cell.</a> Nature Medicine. 3, 730-737 (1997).</li><li>Alison, M. R., Lim, S. M., Nicholson, L. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cancer+stem+cells:+problems+for+therapy.">Cancer stem cells: problems for therapy.</a> The Journal of pathology. 223, 147-161 (2011).</li><li>Luo, X., Dong, Z., Chen, Y., Yang, L., Lai, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Enrichment+of+ovarian+cancer+stem-like+cells+is+associated+with+epithelial+to+mesenchymal+transition+through+an+miRNA-activated+AKT+pathway.">Enrichment of ovarian cancer stem-like cells is associated with epithelial to mesenchymal transition through an miRNA-activated AKT pathway.</a> Cell proliferation. 46, 436-446 (2013).</li><li>Wang, L., Mezencev, R., Bowen, N. J., Matyunina, L. V., McDonald, J. F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Isolation+and+characterization+of+stem-like+cells+from+a+human+ovarian+cancer+cell+line.">Isolation and characterization of stem-like cells from a human ovarian cancer cell line.</a> Molecular and cellular biochemistry. 363, 257-268 (2012).</li><li>Abubaker, K., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Short-term+single+treatment+of+chemotherapy+results+in+the+enrichment+of+ovarian+cancer+stem+cell-like+cells+leading+to+an+increased+tumor+burden.">Short-term single treatment of chemotherapy results in the enrichment of ovarian cancer stem cell-like cells leading to an increased tumor burden.</a> Molecular cancer. 12, 24 (2013).</li><li>Conic, I., Dimov, I., Tasic-Dimov, D., Djordjevic, B., Stefanovic, V. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ovarian+epithelial+cancer+stem+cells.">Ovarian epithelial cancer stem cells.</a> ScientificWorldJournal. 11, 1243-1269 (2011).</li><li>Liu, K. C., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ovarian+cancer+stem-like+cells+show+induced+translineage-differentiation+capacity+and+are+suppressed+by+alkaline+phosphatase+inhibitor.">Ovarian cancer stem-like cells show induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor.</a> Oncotarget. 4 (12), 2366-2382 (2013).</li><li>Liu, T., Cheng, W., Lai, D., Huang, Y., Guo, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Characterization+of+primary+ovarian+cancer+cells+in+different+culture+systems.">Characterization of primary ovarian cancer cells in different culture systems.</a> Oncology reports. 23, 1277-1284 (2010).</li></ol>

치료에 저항하는 암줄 기세포 차 종양의 치료 후 재발에 대한 책임을 질 수 있습니다. 암줄 기세포의 특성은 난소 암에 대한 개선 된 치료법으로 이어질 수 있습니다. 상기 프로토콜을 사용 chemoresistant 된 CSC의 확립에 중요한 파라미터는 화학 요법 치료의 길이 및 화학 요법 농도 타이밍된다. 엄마 외의 프로토콜을 사용하는 경우. 그것은 시스플라틴과 파클리탁셀 치료의 칠일 후에 더 가능?...

Resistance to chemotherapy is a major impediment to the treatment and cure of cancer. Ovarian cancer is the 5th leading cause of cancer-related deaths among women in the United States (American Cancer Society Facts and Figures 2013). Patients initially respond well to chemotherapy, but most patients relapse1. After relapse patients are treated with a variety of additional chemotherapy agents with very little benefit2. General properties of CSCs include unlimited proliferative capabilities, retention of an undifferentiated state, resistance to drug treatment, efficient DNA repair, and ability to generate malignant tumor cells with different phenotypes3. CSCs frequently exhibit expression of stem cell genes such as Nanog, Oct4, Sox2, Nestin, CD133, and CD117. CSCs often express elevated levels of ABCG2, and ALDH genes that may contribute to drug efflux and metabolism3,4. 
The first definitive evidence for CSCs was demonstrated by isolating acute myeloid leukemia-initiating cells that were capable of self-renewal and tumor generation5. These leukemic stem cells expressed surface CD34 and generated leukemia in NOD/SCID (immunocompromised) mice5. Since then CSCs have been identified in many cancer types including leukemias/lymphomas, breast, bladder, colorectal, endometrial, sarcomas, hepatocellular carcinoma, melanomas, gliomas, ovarian, pancreatic, prostate, squamous cell carcinoma, and lung6. Therefore, being able to study this subtype of cancer cell is advantageous.
The goal of this study is to create a protocol for the selection and isolation of chemoresistant CSCs. Several methods have been reported for the isolation of CSCs from ovarian cancer cell lines. Non-adherent spheroids isolated from OVCAR-3, SKOV3, or HO8910 cultures demonstrate stem-like properties7,8. Isolation of CD133+ cells from OVCAR-3 cultures also yields CSCs. CSCs have also been selected in culture by treatment with chemotherapeutic agents. Treating tumor cell lines (OVCA433, Hey, and SKOV3 cells) with cisplatin and paclitaxel allows for the expansion and isolation of CSCs4,9. While culture of some cell types in CSC media leads to isolation of CSCs, SKOV3 cells did not survive culture in serum-free media or form sphere cells4. Therefore, treatment of cells with cisplatin and paclitaxel aided the expansion or isolation of this population4.
Using a modification of the procedure presented by Ma and colleagues4 we developed a method to isolate CSCs from the ovarian cancer cell lines. Our protocol is advantageous as it yields more viable cells while using less toxic chemotherapeutic agents. Cells are treated with cisplatin and subsequently grown in serum-free media supplemented with growth factors (stem cell media). We isolate the resulting non-adherent sphere cells and assay them for their expression of stem cell markers. This model enables the study of CSC properties and response to drug therapy.

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enrichment for chemoresistant ovarian cancer stem cells from human cell lines

암 줄기 세포 (CSC 추가)는 느린 사이클 및 높은 증식 침습적 생성하는 비대칭 분할 미분화 세포 및 chemoresistant 종양 세포의 서브 세트로서 정의된다. 따라서 암줄 기세포는 치료 대상으로 세포의 매력적인 인구입니다. CSC 추가는 혈액, 뇌, 폐, 위장관, 전립선, 난소 및 사람들을 포함한 종양의 종류의 수에 기여할 것으로 예측된​​다. 격리하고 암줄 기세포에 대한 종양 세포의 인구는 암줄 기세포의 특성, 유전학 및 치료 반응을 연구하는 연구원을 가능하게 할 것이다 풍부. 우리는 재현성 난소 암 세포주 (SKOV3 및 OVCA429)에서 난소 암 된 CSC위한 풍요롭게 프로토콜을 생성. 셀 라인은 삼일에 20 μM 시스플라틴으로 처리됩니다. 살아남은 세포는 사이토 카인 및 성장 인자를 포함하는 무 혈청 줄기 세포 배지에서 배양하고 절연한다. 우리는 K 용 절연 세포를 분석하여 이들의 정제 된 CSC의 농축을 보여nown 세포 마커 인 Oct4, Nanog를하고 Prom1 (CD133) 및 CD177 및 CD133의 세포 표면 발현을 줄기. 암줄 기세포 전시 chemoresistance 증가했다. 암줄 기세포의 분리를위한이 방법은 chemoresistance 종양 재발에 암줄 기세포의 역할을 연구하는데 유용한 도구입니다.

우리는 시스플라틴 치료를 이용한 난소 암 세포주에서 고립 된 CSC를 입증하기 위해, 우리는 먼저 사전 처리 및 선택 후 세포 라인의 이미지를 획득. 우리는 부착 (치료) 293 및 OVCA429 세포와 293 및 OVCA429 암줄 기세포 (그림 1)의 이미지를 캡처하기 위해 광학 현미경을 사용했다. CSC 추가는 조직 배양 접시에 부착하지 둥근 표시 (도 1 및도 2). 우리는 더 RFP 형질 293 세포는 세포 ...

Watch this Scientific Journal Video about Enrichment for Chemoresistant Ovarian Cancer Stem Cells from Human Cell Lines at JoVE.com

Enrichment for Chemoresistant Ovarian Cancer Stem Cells from Human Cell Lines

암 줄기 세포 (암줄 기세포는) 때문에 chemoresistance에 종양 재발에 관여하고 있습니다. 우리는 선택 및 난소 암 세포주에서의 확장 된 CSC 프로토콜을 최적화했다. 화학 요법 시스플라틴 세포를 치료하고 우리는 비 부착 CSC 문화에 대한 풍부 미디어를 홍보 줄기 세포에서 배양.

인간 세포주에서 Chemoresistant 난소 암 줄기 세포에 대한 심화 학습

Cancer stem cells (CSCs) are defined as a subset of slow cycling and undifferentiated cells that divide asymmetrically to generate highly proliferative, ...

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사후 조직에서 Cardiomyocyte 핵의 분리

Identification of cardiomyocyte nuclei has been challenging in tissue sections as most strategies rely only on cytoplasmic marker proteins1. Rare events ...

Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy

인간 Neuroendocrine 종양 치료의 연구를위한 3 차원 모델로 인간 Neuroendocrine 종양 세포 라인

Neuroendocrine tumors (NETs) are rare tumors, with an incidence of two per 100,&#x200A;000 individuals per year, and they account for 0.5% of all human ...

Isolation, Characterization and Comparative Differentiation of Human Dental Pulp Stem Cells Derived from Permanent Teeth by Using Two Different Methods

인간 치과 펄프의 줄기 세포의 분리, 특성화 및 비교 차별화 두 가지 방법을 사용하여 영구 치아에서 파생

Developing wisdom teeth are easy-accessible source of stem cells during the adulthood which could be obtained by routine orthodontic treatments. Human ...

Time-lapse Imaging of Primary Preneoplastic Mammary Epithelial Cells Derived from Genetically Engineered Mouse Models of Breast Cancer

기본 Preneoplastic 유방 상피 세포의 시간 경과 영상은 유방암의 유전자 변형 마우스 모델에서 파생

Time-lapse  imaging can be used to compare behavior of cultured primary preneoplastic  mammary epithelial cells derived from different genetically ...

Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma

Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma

환자 유래 세포 배양 및 CD133의 절연<sup&gt; +</sup흑종에서&gt; Putative 암 줄기 세포

Despite improved treatments options for melanoma available today, patients with advanced malignant melanoma still have a poor prognosis for ...

Isolation of Cancer Stem Cells From Human Prostate Cancer Samples

인간의 전립선 암 샘플에서 암 줄기 세포의 분리

The cancer stem cell (CSC) model has been considerably revisited over the last two decades. During this time CSCs have been identified and directly ...

Method for Obtaining Primary Ovarian Cancer Cells From Solid Specimens

고체 시편에서 기본 난소 암 세포를 얻는 방법

Reliable tools for investigating ovarian cancer initiation and progression are urgently needed. While the use of ovarian cancer cell lines remains a ...

Evaluation of Stem Cell Properties in Human Ovarian Carcinoma Cells Using Multi and Single Cell-based Spheres Assays

다중 및 단일 세포 기반 분야 분석 실험을 사용하여 인간의 난소 암 세포의 줄기 세포 특성의 평가

Years of research indicates that ovarian cancers harbor a heterogeneous mixture of cells including a subpopulation of so-called &#8220;cancer stem ...

In vitro Enrichment of Ovarian Cancer Tumor-initiating Cells

In vitro Enrichment of Ovarian Cancer Tumor-initiating Cells

난소 암 종양 시작 세포의 생체 농축에

Evidence suggests that small subpopulations of tumor cells maintain a unique self-renewing and differentiation capacity and may be responsible for tumor ...