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Defective Black Nano-Titania Thermogels for Cutaneous Tumor-Induced Therapy and Healing
Abstract
Current challenges in cutaneous tumor therapy are healing the skin wounds resulting from surgical resection and eliminating possible residual tumor cells to prevent recurrence. To address this issue, bifunctional biomaterials equipped with effective tumor therapeutic capacity for skin cancers and simultaneous tissue regenerative ability for wound closure are highly recommended. Herein, we report an injectable thermosensitive hydrogel (named BT-CTS thermogel) with the integration of nanosized black titania (B-TiO 2– x, ∼50 nm) nanoparticles into a chitosan (CTS) matrix. The B-TiO 2– x nanocrystal exhibits a crystalline/amorphous core–shell structure with abundant oxygen vacancies, which endows the BT-CTS thermogels with simultaneous photothermal therapy (PTT) and photodynamic therapy (PDT) effects under single-wavelength near-infrared laser irradiation, leading to an excellent therapeutic effect on skin tumors in vitro and in vivo. Moreover, the BT-CTS thermogel not only supports the adhesion, proliferation, and migration of normal skin cells but also facilitates skin tissue regeneration in a murine chronic wound model. Therefore, such BT-CTS thermogels with easy injectability, excellent thermostability, and simultaneous PTT and PDT efficacy as well as tissue regenerative activity offers a promising pathway for the healing of cutaneous tumor-induced wounds.
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In vitro angiogenesis: endothelial cell tube formation on gelled basement membrane extract
Arnaoutova, I., & Kleinman, H. K. (2010) · Nature Protocols · doi:10.1038/nprot.2010.6 · Cited by 760
Cited by
Yang, B., Chen, Y., & Shi, J. (2019) · Advanced Materials · doi:10.1002/adma.201901778 · Cited by 601
Wang, S., Zheng, H., Zhou, L., Cheng, F., Liu, Z., Zhang, H., Wang, L., & Zhang, Q. (2020) · Nano Letters · doi:10.1021/acs.nanolett.0c01371 · Cited by 573
Endoplasmic Reticulum Targeting to Amplify Immunogenic Cell Death for Cancer Immunotherapy
Deng, H., Zhou, Z., Yang, W., Lin, L.-S., Wang, S., Niu, G., Song, J., & Chen, X. (2020) · Nano Letters · doi:10.1021/acs.nanolett.9b05210 · Cited by 363
Xi, Y., Ge, J., Wang, M., Chen, M., Niu, W., Cheng, W., Xue, Y., Lin, C., & Lei, B. (2020) · ACS Nano · doi:10.1021/acsnano.9b07173 · Cited by 346
Black TiO2: A review of its properties and conflicting trends
Rajaraman, T. S., Parikh, S. P., & Gandhi, V. G. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.123918 · Cited by 323
Metadata
- Authors
- Wang, X., Ma, B., Xue, J., Wu, J., Chang, J., & Wu, C.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-02-05
- Volume
- 19
- Issue
- 3
- Pages
- 2138-2147
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2914617591
- Cited by
- 159
- References
- 2
- FWCI
- 7.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, X., Ma, B., Xue, J., Wu, J., Chang, J., & Wu, C. (2019). Defective Black Nano-Titania Thermogels for Cutaneous Tumor-Induced Therapy and Healing. Nano Letters. https://doi.org/10.1021/acs.nanolett.9b00367
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