scholarly journals A time-course Raman spectroscopic analysis of spontaneous in vitro microcalcifications in a breast cancer cell line

2021 ◽  
Author(s):  
Pascaline Bouzy ◽  
Shane O’Grady ◽  
Honey Madupalli ◽  
Mary Tecklenburg ◽  
Keith Rogers ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Apatite Crystal ◽  
Crystal Formation ◽  
Mineralization Process

AbstractMicrocalcifications are early markers of breast cancer and can provide valuable prognostic information to support clinical decision-making. Current detection of calcifications in breast tissue is based on X-ray mammography, which involves the use of ionizing radiation with potentially detrimental effects, or MRI scans, which have limited spatial resolution. Additionally, these techniques are not capable of discriminating between microcalcifications from benign and malignant lesions. Several studies show that vibrational spectroscopic techniques are capable of discriminating and classifying breast lesions, with a pathology grade based on the chemical composition of the microcalcifications. However, the occurrence of microcalcifications in the breast and the underlying mineralization process are still not fully understood. Using a previously established model of in vitro mineralization, the MDA-MB-231 human breast cancer cell line was induced using two osteogenic agents, inorganic phosphate (Pi) and β-glycerophosphate (βG), and direct monitoring of the mineralization process was conducted using Raman micro-spectroscopy. MDA-MB-231 cells cultured in a medium supplemented with Pi presented more rapid mineralization (by day 3) than cells exposed to βG (by day 11). A redshift of the phosphate stretching peak for cells supplemented with βG revealed the presence of different precursor phases (octacalcium phosphate) during apatite crystal formation. These results demonstrate that Raman micro-spectroscopy is a powerful tool for nondestructive analysis of mineral species and can provide valuable information for evaluating mineralization dynamics and any associated breast cancer progression, if utilized in pathological samples.

scholarly journals Formulation of Piperine–Chitosan-Coated Liposomes: Characterization and In Vitro Cytotoxic Evaluation

Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3281
Author(s):  
Syed Sarim Imam ◽  
Sultan Alshehri ◽  
Mohammad A. Altamimi ◽  
Afzal Hussain ◽  
Wajhul Qamar ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Therapeutic Efficacy ◽  
Cancer Cell Line ◽  
Permeation Study ◽  
Study Results

The present research work is designed to prepare and evaluate piperine liposomes and piperine–chitosan-coated liposomes for oral delivery. Piperine (PPN) is a water-insoluble bioactive compound used for different diseases. The prepared formulations were evaluated for physicochemical study, mucoadhesive study, permeation study and in vitro cytotoxic study using the MCF7 breast cancer cell line. Piperine-loaded liposomes (PLF) were prepared by the thin-film evaporation method. The selected liposomes were coated with chitosan (PLFC) by electrostatic deposition to enhance the mucoadhesive property and in vitro therapeutic efficacy. Based on the findings of the study, the prepared PPN liposomes (PLF3) and chitosan coated PPN liposomes (PLF3C1) showed a nanometric size range of 165.7 ± 7.4 to 243.4 ± 7.5, a narrow polydispersity index (>0.3) and zeta potential (−7.1 to 29.8 mV). The average encapsulation efficiency was found to be between 60 and 80% for all prepared formulations. The drug release and permeation study profile showed biphasic release behavior and enhanced PPN permeation. The in vitro antioxidant study results showed a comparable antioxidant activity with pure PPN. The anticancer study depicted that the cell viability assay of tested PLF3C2 has significantly (p < 0.001)) reduced the IC50 when compared with pure PPN. The study revealed that oral chitosan-coated liposomes are a promising delivery system for the PPN and can increase the therapeutic efficacy against the breast cancer cell line.

scholarly journals Identifikasi Ekspresi Gen Myc pada Subkultur MCF-7 Breast Cancer Cell Line dengan Sel Punca

2018 ◽  
Vol 7 (3) ◽  
pp. 424
Author(s):  
Yuastika Puspita Sari ◽  
Hirowati Ali ◽  
Aswiyanti Asri
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Luminal A ◽  
Post Hoc ◽  
Mcf 7

Kanker payudara yang paling banyak ditemukan adalah subtipe luminal A dengan karakteristik Estrogen Reseptor+. Subjek penelitian akan diwakili oleh cell line MCF-7 dan Umbilical Cord Blood Mesenchymal Stem Cell (UCBMSC). Over expression Myc pada kanker payudara mengakibatkan sel kanker menjadi lebih invasif dan terjadi resistensi terhadap terapi hormonal. Tujuan penelitian ini adalah mengidentifikasi ekspresi gen Myc pada cell line MCF-7 sebelum dan sesudah pemberian sel punca. Penelitian ini menggunakan desain experimental secara in vitro. Sampel menggunakan MCF-7 dan sel punca yang dibagi menjadi 4 kelompok, yaitu K1 (kelompok kontrol MCF-7), K2 (kelompok kontrol sel punca), P1 (perlakuan subkultur MCF-7 dengan sel punca inkubasi 24 jam), dan P2 (inkubasi 48 jam). Kemudian, dilakukan isolasi RNA, sintesis cDNA, dan ekspresi Myc diperiksa menggunakan PCR dan elektroforesis. Analisa data yang digunakan adalan One Way ANOVA dan post-hoc LSD. Hasil analisis bivariat didapatkan p<0,05. Dari uji post-hoc LSD tidak ditemukan perbedaan yang bermakna antara K1 dengan P1, K1 dengan P2, dan K2 dengan P2. Namun, tetap ditemukan perbedaan yang bermakna antara K2 dengan P1 dan P1 dengan P2. Simpulan penelitian ini adalah tidak terdapat perbedaan bermakna ekspresi gen Myc pada subkultur antara MCF-7 breast cancer cell line dengan pemberian sel punca mesenkimal.

scholarly journals In vitro antineoplastic activity in triple-negative breast cancer cell line and in vivo

2014 ◽  
Vol 8 (Suppl 4) ◽  
pp. P22
Author(s):  
Klesia Madeira ◽  
Murilo Cerri ◽  
Renata Daltoé ◽  
Alice Herlinger ◽  
João Filho ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Triple Negative Breast Cancer ◽  
Breast Cancer Cell Line ◽  
Triple Negative ◽  
Cancer Cell Line

scholarly journals AN IN VITRO ESTIMATION OF CYTOTOXICITY OF FUSARIUM TRICHOTHECENE ON THE BREAST CANCER CELL LINE

2020 ◽  
Vol 18 (6) ◽  
pp. 90-95 ◽  
Author(s):  
Rin. S. Mukhammadiev ◽  
Rish. S. Mukhammadiev ◽  
V. V. Biryulya ◽  
I. I. Idiyatov ◽  
A. A. Nabatov ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line

scholarly journals Antipsychotics drug aripiprazole as a lead against breast cancer cell line (MCF-7) in vitro

PLoS ONE ◽  
2020 ◽  
Vol 15 (8) ◽  
pp. e0235676 ◽  
Author(s):  
Adnan Badran ◽  
Atia tul-Wahab ◽  
Humaira Zafar ◽  
Nayab Mohammad ◽  
Rehan Imad ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Mcf 7

3,6-dichloro-1,2,4,5-Tetrazine Assayed at High Doses in the Metastatic Breast Cancer Cell Line MDA-MB-231 Reduces Cell Numbers and Induces Apoptosis

2020 ◽  
Vol 16 (4) ◽  
pp. 546-550 ◽  
Author(s):  
Mohamed Abdelkarim ◽  
Khaoula Ben Younes ◽  
Ines Limam ◽  
Refka Guermazi ◽  
Amel Ben Ammaar ElGaaied ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Metastatic Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Metastatic Breast ◽  
Cancer Cell Line ◽  
Metastatic Breast Cancer Cell

Background: The lack of treatment options for patients with chemotherapy-resistant cancers is pushing the field toward the development of new therapies. 1,2,4,5-tetrazine derivatives are a class of heterocyclic compounds that exhibit a broad spectrum of antitumor activities. Objective: The purpose of this study was to assess the biological activity of four s-tetrazine derivatives by substitution of two chloride atom of 3,6-dichloro-1,2,4,5-tetrazine with long hydrophobic side chains. Methods: We analyzed the anti-proliferative effects of four s-tetrazine derivatives with MTT assay and their pro-apoptotic effect with AV/ IP flow cytometry analysis and Hoechst 33342 staining. Results: We demonstrated that 3,6-dichloro-1,2,4,5-tetrazine (compound (1)) has a cytotoxic effect and induces apoptosis. Conclusion: 3,6-dichloro-1,2,4,5-tetrazine presents a new cytotoxic drug against metastatic breast cancer cell line MDA-MB-231 in vitro.

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