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Sabatelle RC, Chu NQ, Blessing W, Kharroubi H, Bressler E, Tsai L, Shih A, Grinstaff MW, Colson Y. Decreased Lung Metastasis in Triple Negative Breast Cancer Following Locally Delivered Supratherapeutic Paclitaxel-Loaded Polyglycerol Carbonate Nanoparticle Therapy. Biomacromolecules 2024; 25:1800-1809. [PMID: 38380618 DOI: 10.1021/acs.biomac.3c01258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Breast cancer is among the most prevalent malignancies, accounting for 685,000 deaths worldwide in 2020, largely due to its high metastatic potential. Depending on the stage and tumor characteristics, treatment involves surgery, chemotherapy, targeted biologics, and/or radiation therapy. However, current treatments are insufficient for treating or preventing metastatic disease. Herein, we describe supratherapeutic paclitaxel-loaded nanoparticles (81 wt % paclitaxel) to treat the primary tumor and reduce the risk of subsequent metastatic lesions in the lungs. Primary tumor volume and lung metastasis are reduced by day 30, compared to the paclitaxel clinical standard treatment. The ultrahigh levels of paclitaxel afford an immunotherapeutic effect, increasing natural killer cell activation and decreasing NETosis in the lung, which limits the formation of metastatic lesions.
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Affiliation(s)
- Robert C Sabatelle
- Departments of Chemistry and Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Ngoc-Quynh Chu
- Department of Surgery, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, United States
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - William Blessing
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Hussein Kharroubi
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Eric Bressler
- Departments of Chemistry and Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Lillian Tsai
- Department of Surgery, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, United States
| | - Angela Shih
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Mark W Grinstaff
- Departments of Chemistry and Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Yolonda Colson
- Department of Surgery, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, United States
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
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Sabatelle RC, Liu R, Hung YP, Bressler E, Neal EJ, Martin A, Ekladious I, Grinstaff MW, Colson YL. Ultra-high drug loading improves nanoparticle efficacy against peritoneal mesothelioma. Biomaterials 2022; 285:121534. [PMID: 35487067 PMCID: PMC9881475 DOI: 10.1016/j.biomaterials.2022.121534] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 01/31/2023]
Abstract
Peritoneal mesothelioma is an aggressive disease with a median survival of under three years, due to a lack of effective treatment options. Mesothelioma is traditionally considered a "chemoresistant" tumor; however, low intratumoral drug levels coupled with the inability to administer high systemic doses suggests that therapeutic resistance may be due to poor drug delivery rather than inherent biology. While patient survival may improve with repetitive local intraperitoneal infusions of chemotherapy throughout the perioperative period, these regimens carry associated toxicities and significant peri-operative morbidity. To circumvent these issues, we describe ultra-high drug loaded nanoparticles (NPs) composed of a unique poly(1,2-glycerol carbonate)-graft-succinate-paclitaxel (PGC-PTX + PTX) conjugate. PGC-PTX + PTX NPs are cytotoxic, localize to tumor in vivo, and improve survival in a murine model of human peritoneal mesothelioma after a single intraperitoneal (IP) injection compared to multiple weekly doses of the clinically utilized formulation PTX-C/E. Given their unique pharmacokinetics, a second intraperitoneal dose of PGC-PTX + PTX NPs one month later more than doubles the overall survival compared to the clinical control (122 versus 58 days). These results validate the clinical potential of prolonged local paclitaxel to treat intracavitary malignancies such as mesothelioma using a tailored polymer-mediated nanoparticle formulation.
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Affiliation(s)
- Robert C. Sabatelle
- Departments of Biomedical Engineering and Chemistry, Boston University, Boston, MA
| | - Rong Liu
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA
| | - Yin P. Hung
- Department of Pathology, Massachusetts General Hospital, Boston, MA
| | - Eric Bressler
- Departments of Biomedical Engineering and Chemistry, Boston University, Boston, MA
| | - Eliza J. Neal
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA
| | - Andrew Martin
- Departments of Biomedical Engineering and Chemistry, Boston University, Boston, MA
| | - Iriny Ekladious
- Departments of Biomedical Engineering and Chemistry, Boston University, Boston, MA
| | - Mark W. Grinstaff
- Departments of Biomedical Engineering and Chemistry, Boston University, Boston, MA,Corresponding Authors: Mark W. Grinstaff, , Yolonda L. Colson,
| | - Yolonda L. Colson
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA,Corresponding Authors: Mark W. Grinstaff, , Yolonda L. Colson,
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Bressler E, Qi Y, Roztocil E, Nicholl S, Davies M. Urokinase-induced smooth muscle cell migration requires PKC-alpha and PKC-delta isoforms. J Surg Res 2006. [DOI: 10.1016/j.jss.2005.11.305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Using algorithm visualization, we can depict the execution of an algorithm as a sequence of graphical snapshots, the viewing of which is controlled by the user. Although the delivery of such visualizations over the Web greatly increases their accessibility, Web-based environments for viewing algorithms often lack the richness of features that characterize similar viewing environments on standalone machines. Here we describe enhancements recently made to such a Web-based system. These enhancements conveniently present a variety of windowing options that allow the user to simultaneously view multiple snapshots. These snapshots may depict (1) similar views of the states of an algorithm over a range of time, (2) different views of the state of an algorithm at a given point in time, or (3) side-by-side comparisons of different algorithms that solve the same problem. We illustrate each of these options using variations of the quick sort algorithm.
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Albert TJ, Smith MD, Bressler E, Johnson LJ. An in vivo analysis of the dimensional changes of the neuroforamen after anterior cervical diskectomy and fusion: a radiologic investigation. J Spinal Disord 1997; 10:229-233. [PMID: 9213279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Eighteen patients (11 men, 7 women; average age, 45.5 years) who underwent anterior cervical diskectomy and fusion (ACDF) for the treatment of radiculopathy had preoperative and immediate postoperative computed tomography (CT) scans to measure pre- and postoperative foraminal heights and foraminal areas, preoperative disk space height, and postoperative graft height. The mean foraminal height preoperatively was 0.851 cm; postoperatively, it was 1.01 cm, with a mean percentage increase of 20% (-8.8 to 56.8%). Mean preoperative foraminal area was 37.53 mm2, increasing to a mean of 49.04 mm2 postoperatively with a mean percentage increase of 33% (range, -1.5 to 76.9%). No significant correlations between graft height and change in maximal foraminal height or foraminal area or between changes in foraminal height or area and postoperative symptom relief were found. Although significant increases in foraminal dimensions were seen radiographically after ACDF, these increases were variable and not strongly related to graft height. In addition, the increases in foraminal dimensions were not related to the short-term clinical results of ACDF. This study fails to support the hypothesis that the reliable results of ACDF can be ascribed primarily to indirect decompression of the uncovertebral foramen by disk-space distraction.
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Affiliation(s)
- T J Albert
- Rothman Institute, Philadelphia, Pennsylvania 19107, USA
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Cass AS, Ireland GW, Bressler E, Bjornson R, Demeules J, Perry J. Modification of an operating-room table for immediate radiographic evaluation of the urinary tract in the acute, severe trauma patient. J Urol 1971; 105:569-70. [PMID: 5556708 DOI: 10.1016/s0022-5347(17)61578-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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