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Ma Y, Xie D, Chen Z, Shen X, Wu X, Ding F, Ding S, Pan Y, Li F, Lu A, Zhang G. Advancing targeted combination chemotherapy in triple negative breast cancer: nucleolin aptamer-mediated controlled drug release. J Transl Med 2024; 22:604. [PMID: 38951906 PMCID: PMC11218354 DOI: 10.1186/s12967-024-05429-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 06/21/2024] [Indexed: 07/03/2024] Open
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) is a recurrent, heterogeneous, and invasive form of breast cancer. The treatment of TNBC patients with paclitaxel and fluorouracil in a sequential manner has shown promising outcomes. However, it is challenging to deliver these chemotherapeutic agents sequentially to TNBC tumors. We aim to explore a precision therapy strategy for TNBC through the sequential delivery of paclitaxel and fluorouracil. METHODS We developed a dual chemo-loaded aptamer with redox-sensitive caged paclitaxel for rapid release and non-cleavable caged fluorouracil for slow release. The binding affinity to the target protein was validated using Enzyme-linked oligonucleotide assays and Surface plasmon resonance assays. The targeting and internalization abilities into tumors were confirmed using Flow cytometry assays and Confocal microscopy assays. The inhibitory effects on TNBC progression were evaluated by pharmacological studies in vitro and in vivo. RESULTS Various redox-responsive aptamer-paclitaxel conjugates were synthesized. Among them, AS1411-paclitaxel conjugate with a thioether linker (ASP) exhibited high anti-proliferation ability against TNBC cells, and its targeting ability was further improved through fluorouracil modification. The fluorouracil modified AS1411-paclitaxel conjugate with a thioether linker (FASP) exhibited effective targeting of TNBC cells and significantly improved the inhibitory effects on TNBC progression in vitro and in vivo. CONCLUSIONS This study successfully developed fluorouracil-modified AS1411-paclitaxel conjugates with a thioether linker for targeted combination chemotherapy in TNBC. These conjugates demonstrated efficient recognition of TNBC cells, enabling targeted delivery and controlled release of paclitaxel and fluorouracil. This approach resulted in synergistic antitumor effects and reduced toxicity in vivo. However, challenges related to stability, immunogenicity, and scalability need to be further investigated for future translational applications.
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Affiliation(s)
- Yuan Ma
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China.
- Increasepharm & Hong Kong Baptist University Joint Centre for Nucleic Acid Drug Discovery, Hong Kong Science Park, New Territoreis, Hong Kong SAR, 999077, China.
| | - Duoli Xie
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
| | - Zefeng Chen
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
- Increasepharm & Hong Kong Baptist University Joint Centre for Nucleic Acid Drug Discovery, Hong Kong Science Park, New Territoreis, Hong Kong SAR, 999077, China
| | - Xinyang Shen
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Xiaoqiu Wu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
| | - Feng Ding
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
| | - Shijian Ding
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
| | - Yufei Pan
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
| | - Fangfei Li
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China
- Increasepharm & Hong Kong Baptist University Joint Centre for Nucleic Acid Drug Discovery, Hong Kong Science Park, New Territoreis, Hong Kong SAR, 999077, China
| | - Aiping Lu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China.
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong SAR, 999077, China.
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Yin H, Yan Q, Liu Y, Yang L, Liu Y, Luo Y, Chen T, Li N, Wu M. Co-encapsulation of paclitaxel and 5-fluorouracil in folic acid-modified, lipid-encapsulated hollow mesoporous silica nanoparticles for synergistic breast cancer treatment. RSC Adv 2022; 12:32534-32551. [PMID: 36425719 PMCID: PMC9661185 DOI: 10.1039/d2ra03718a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 11/06/2022] [Indexed: 08/27/2023] Open
Abstract
A dual-loaded multi-targeted drug delivery nanosystem was constructed to simultaneously load paclitaxel (PTX) and 5-fluorouracil (5-FU) for targeted delivery and sustained release at tumor sites. Hollow mesoporous silica nanoparticles (HMSNs) were prepared by the inverse microemulsion method, then modified with folic acid and pH- and temperature-responsive materials, co-loaded with PTX and 5-FU, and finally encapsulated into lipid membranes. The obtained nanosystem was selectively internalized by human breast cancer MCF-7 cells that overexpress folate receptors through an energy-dependent process, and it released both drugs in vitro in a simulated tumor microenvironment. Moreover, the inhibitory effect of the dual-loaded nanoparticles was significantly better than that of the free drugs, suggesting that the composite nanosystem has the potential to selectively target tumor sites and perform the synergistic effect of PTX and 5-FU, while reducing their toxic effects on normal tissues.
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Affiliation(s)
- Huanli Yin
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
- Department of Pharmacy, West China Hospital, Sichuan University Chengdu Sichuan Province P. R. China
| | - Qi Yan
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Yuan Liu
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Lan Yang
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Yang Liu
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Yujie Luo
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Tianyu Chen
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Ningxi Li
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
| | - Min Wu
- School of Pharmacy, Chengdu Medical College No. 783 Xindu Avenue Xindu District Chengdu Sichuan Province P. R. China +86-28-6230-8653
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Co-Delivery of 5-Fluorouracil and Paclitaxel in Mitochondria-Targeted KLA-Modified Liposomes to Improve Triple-Negative Breast Cancer Treatment. Pharmaceuticals (Basel) 2022; 15:ph15070881. [PMID: 35890181 PMCID: PMC9318860 DOI: 10.3390/ph15070881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/19/2022] Open
Abstract
In this research, KLA-modified liposomes co-loaded with 5-fluorouracil and paclitaxel (KLA-5-FU/PTX Lps) were developed, and their antitumor activity against triple-negative breast cancer (TNBC) was evaluated. KLA-5-FU/PTX Lps were prepared using the thin-film dispersion method, and their in vitro anticancer efficacy was assessed in human breast cancer cells (MDA-MB-231). An MDA-MB-231 tumor-bearing mouse model was also established to evaluate their antitumor efficacy in vivo. KLA-5-FU/PTX Lps showed enhanced cytotoxicity against MDA-MB-231 cells, improved drug delivery to mitochondria, and induced mitochondria-mediated apoptosis. The modified liposomes also showed favorable antitumor activity in vivo due to their strong ability to target tumors and mitochondria. The liposomes showed no obvious systemic toxicity. Our results suggest that KLA-5-FU/PTX Lps are a promising system with which to target the delivery of antitumor drugs to mitochondria as a treatment for TNBC.
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Ichikawa T, Shibata M, Inaishi T, Soeda I, Kanda M, Hayashi M, Takano Y, Takeuchi D, Tsunoda N, Kodera Y, Kikumori T. Synaptotagmin 13 Is Highly Expressed in Estrogen Receptor-Positive Breast Cancer. Curr Oncol 2021; 28:4080-4092. [PMID: 34677264 PMCID: PMC8535095 DOI: 10.3390/curroncol28050346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 09/24/2021] [Accepted: 10/08/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Accumulating evidence indicates tumor-promoting roles of synaptotagmin 13 (SYT13) in several cancers; however, no studies have investigated its expression in breast cancer (BC). This study aimed to clarify the significance of SYT13 in BC. Methods: SYT13 mRNA expression levels were evaluated in BC cell lines. Polymerase chain reaction (PCR) array analysis was conducted to determine the correlation between expression levels of SYT13 and other tumor-associated genes. Then, the association of SYT13 expression levels in the clinical BC specimens with patients’ clinicopathological factors was evaluated. These findings were subsequently validated using The Cancer Genome Atlas (TCGA) database. Results: Among 13 BC cell lines, estrogen receptor (ER)-positive cells showed higher SYT13 mRNA levels than ER-negative cells. PCR array analysis revealed positive correlations between SYT13 and several oncogenes predominantly expressed in ER-positive BC, such as estrogen receptor 1, AKT serine/threonine kinase 1, and cyclin-dependent kinases 4. In 165 patients, ER-positive specimens exhibited higher SYT13 mRNA expression levels than ER-negative specimens. The TCGA database analysis confirmed that patients with ER-positive BC expressed higher SYT13 levels than ER-negative patients. Conclusion: This study suggests that SYT13 is highly expressed in ER-positive BC cells and clinical specimens, and there is a positive association of SYT13 with the ER signaling pathways.
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Affiliation(s)
- Takahiro Ichikawa
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Masahiro Shibata
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
- Correspondence: ; Tel.: +81-52-744-2251; Fax: +81-52-744-2252
| | - Takahiro Inaishi
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Ikumi Soeda
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Mitsuro Kanda
- Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (M.K.); (M.H.); (Y.K.)
| | - Masamichi Hayashi
- Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (M.K.); (M.H.); (Y.K.)
| | - Yuko Takano
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Dai Takeuchi
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Nobuyuki Tsunoda
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
| | - Yasuhiro Kodera
- Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (M.K.); (M.H.); (Y.K.)
| | - Toyone Kikumori
- Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan; (T.I.); (T.I.); (I.S.); (Y.T.); (D.T.); (N.T.); (T.K.)
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