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Dasgupta P, Lau JK, Brown KC, Bow E, Robateau ZR, Rollyson WD, Stover CA, Rimoldi JM, Cutler S, Hardman WE, Carpenter AB, Chen YC. Acetylcholine signaling pathway: A novel target for lung cancer in smokers. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.677.19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Piyali Dasgupta
- Joan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Jamie K. Lau
- Joan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | | | - Eric Bow
- Biomolecular SciencesUniversity of MississippiUniversityMS
| | | | | | - Cody A. Stover
- Joan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | | | - Stephen Cutler
- College of PharmacyUniversity of South CarolinaColumbiaSC
| | | | - A. Betts Carpenter
- PathologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Yi C. Chen
- BiologyAlderson Broaddus UniversityPhilippiWV
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Brown KC, Lau JK, Perry HE, Thornhill BA, Stevenson CD, Rollyson WD, Stover CA, Jones DV, Pulliam JF, Dasgupta P. Abstract 1032: The acetylcholine signaling pathway: A novel molecular target for lung cancers. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-1032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Cigarette smoking is a major risk factor for all types of lung cancers. Nicotine, the addictive component of cigarettes, accelerates the growth and angiogenesis of human lung cancers. The biological activity of nicotine is mediated by nicotinic acetylcholine receptors (nAChRs). The endogenous ligand of nAChRs is acetylcholine (ACh). We show that both human SCLCs and NSCLCs contain all proteins of the acetylcholine signaling pathway, namely nAChRs, choline acetyltransferase (ChAT), vesicular acetylcholine transporter (VAChT), choline transporter (ChT1) and acetylcholinesterase (AChE). ACh functions as an autocrine growth factor for human lung cancer cells. Lung adenocarcinoma (LAC), squamous cell carcinoma (SCC-L) and invasive mucinous adenocarcinoma (IMA) express a diverse array of nAChRs. In addition, normal human lung cells also express nAChRs and other ACh signaling proteins. Nicotine amplifies the ACh signaling loop in human lung cancer cells. It increases the levels of alpha7-nAChR subunit in human SCC-Ls. The alpha7-nAChR is responsible for the proliferative and pro-angiogenic activity of nicotine in lung cancer. The level of alpha7-nAChR was analyzed in human SCC-L samples isolated from patients. It was found that the level of alpha7-nAChR in SCC-L patients (who are heavy smokers) was much higher than that of moderate smoker suffering from SCC-Ls. Nicotine was also found to elevate the levels of ChAT and VAChT in human lung cancers. The acetylcholine signaling pathway may be a useful molecular target for the diagnosis and therapy of human lung cancers in smokers. Our results are also relevant to lung cancer patients who are exposed to nicotine via secondhand smoke, nicotine patches, gums or electronic cigarettes.
Citation Format: Kathleen C. Brown, Jamie K. Lau, Haley E. Perry, Brent A. Thornhill, Cathryn D. Stevenson, William D. Rollyson, Cody A. Stover, Dennie V. Jones, Joseph F. Pulliam, Piyali Dasgupta. The acetylcholine signaling pathway: A novel molecular target for lung cancers. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 1032. doi:10.1158/1538-7445.AM2015-1032
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Affiliation(s)
- Kathleen C. Brown
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Jamie K. Lau
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Haley E. Perry
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Brent A. Thornhill
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | | | | | - Cody A. Stover
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Dennie V. Jones
- 2Dana-Farber Cancer Institute at St. Elizabeth's Medical Center, Brighton, MA
| | | | - Piyali Dasgupta
- 1Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
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Hurley JD, Rollyson WD, Stover CA, Brown KC, Perry HE, Stevenson CD, Crabtree CM, Dom AM, Lau JK, Witte TR, Hardman WE, Dasgupta P. Abstract 1678: Bioavailability and anti-tumor activity of capsaicin in human small cell lung cancer. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-1678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The nutritional compound capsaicin has been shown to display anti-neoplastic activity in breast, prostate and colon tumors xenografted in nude mice. Based on these data from other research laboratories, we wanted to determine the bioavailability of capsaicin in nude mice in vivo. We found that capsaicin was rapidly metabolized primarily in the liver. The bioavailability of intact capsaicin was highest in the lung. Therefore, we hypothesized that capsaicin should suppress the growth of lung tumors. We found that capsaicin induced robust apoptosis in human SCLC cell lines. Capsaicin decreased the growth rates of human SCLC tumors in two in vivo models, namely the CAM model and the nude mouse model. HPLC studies showed intact capsaicin in the tumors excised from nude mice. The heat-sensation activity of capsaicin is mediated by the transient receptor potential vanilloid (TRPV) family of proteins. Capsaicin functions as an agonist of the TRPV1 receptor. The apoptotic activity of capsaicin was found to be mediated by TRPV6 and not TRPV1. Preliminary data shows that capsaicin increases the expression of the TRPV6 receptor, causing apoptosis in human SCLCs.
Citation Format: John D. Hurley, William D. Rollyson, Cody A. Stover, Kathleen C. Brown, Haley E. Perry, Cathryn D. Stevenson, Clayton M. Crabtree, Aaron M. Dom, Jamie K. Lau, Theodore R. Witte, W E. Hardman, Piyali Dasgupta. Bioavailability and anti-tumor activity of capsaicin in human small cell lung cancer. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 1678. doi:10.1158/1538-7445.AM2015-1678
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Affiliation(s)
- John D. Hurley
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | | | - Cody A. Stover
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Kathleen C. Brown
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Haley E. Perry
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | | | | | - Aaron M. Dom
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Jamie K. Lau
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Theodore R. Witte
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - W E. Hardman
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Piyali Dasgupta
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
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Dasgupta P, Brown KC, Lau JK, Dom AM, Thornhill BA, Crabtree CM, Witte TR, Hardman WE, Stover CA, Carpenter AB, Chen YC. Abstract 5229: Disruption of the acetylcholine signaling pathway suppresses the growth and angiogenesis of human lung cancers. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-5229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Cigarette smoking bears a strong association with the development of lung cancer. Nicotine is the addictive component of cigarettes. Several convergent studies show that nicotine facilitates the growth and angiogenesis of human lung cancers. The biological activity of nicotine is mediated by nicotinic acetylcholine receptors (nAChRs). The endogenous ligand of nAChRs is acetylcholine (ACh). Data from our laboratory and other research groups show that lung cancers express all of the genes for synthesis, transport and degradation of ACh. These include nAChRs, choline acetyltransferase (ChAT), vesicular acetylcholine transporter (VAChT), choline transporter (ChT1) and acetylcholinesterase (AChE). Nicotine upregulates the ACh-signaling loop in human lung cancer cells. Therefore, we conjectured that disruption of ACh-signaling pathway should suppress the growth of human cancers. We show that alpha7-nAChR antagonists robustly suppress angiogenesis in human lung and retinal microvascular endothelial cells. The anti-angiogenic activity of alpha7-nAChR antagonists was also observed in chicken chorioallantoic membrane (CAM) and nude mouse models. Similarly, vesamicol, a small molecule antagonist of VAChT, decreases nicotine-induced tumor growth in human NSCLCs. Our studies suggest that the acetylcholine signaling pathway may be have potential applications in the therapy of human lung cancers. Our results are also relevant to lung cancer patients who are exposed to nicotine via secondhand smoke, nicotine patches, gums or electronic cigarettes.
Citation Format: Piyali Dasgupta, Kathleen C. Brown, Jamie K. Lau, Aaron M. Dom, Brent A. Thornhill, Clayton M. Crabtree, Theodore R. Witte, W E. Hardman, Cody A. Stover, A B. Carpenter, Yi C. Chen. Disruption of the acetylcholine signaling pathway suppresses the growth and angiogenesis of human lung cancers. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 5229. doi:10.1158/1538-7445.AM2015-5229
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Affiliation(s)
- Piyali Dasgupta
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | | | - Jamie K. Lau
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | - Aaron M. Dom
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | | | | | | | - W E. Hardman
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | - Cody A. Stover
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | - A B. Carpenter
- 1Marshall University Edwards School of Medicine, Huntington, WV
| | - Yi C. Chen
- 2Alderson-Broaddus University, Philippi, WV
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Rollyson WD, Stover CA, Brown KC, Perry HE, Stevenson CD, McNees CA, Ball JG, Valentovic MA, Dasgupta P. Bioavailability of capsaicin and its implications for drug delivery. J Control Release 2014; 196:96-105. [PMID: 25307998 DOI: 10.1016/j.jconrel.2014.09.027] [Citation(s) in RCA: 149] [Impact Index Per Article: 14.9] [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: 07/22/2014] [Revised: 09/24/2014] [Accepted: 09/26/2014] [Indexed: 01/08/2023]
Abstract
The dietary compound capsaicin is responsible for the "hot and spicy" taste of chili peppers and pepper extracts. It is a valuable pharmacological agent with several therapeutic applications in controlling pain and inflammation. Emerging studies show that it displays potent anti-tumor activity in several human cancers. On a more basic research level, capsaicin has been used as a ligand to activate several types of ion-channel receptors. The pharmacological activity of capsaicin-like compounds is dependent on several factors like the dose, the route of administration and most importantly on its concentration at target tissues. The present review describes the current knowledge involving the metabolism and bioavailability of capsaicinoids in rodents and humans. Novel drug delivery strategies used to improve the bioavailability and therapeutic index of capsaicin are discussed in detail. The generation of novel capsaicin-mimetics and improved drug delivery methods will foster the hope of innovative applications of capsaicin in human disease.
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Affiliation(s)
- William D Rollyson
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Cody A Stover
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Kathleen C Brown
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Haley E Perry
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Cathryn D Stevenson
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Christopher A McNees
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - John G Ball
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Monica A Valentovic
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Piyali Dasgupta
- Department of Pharmacology, Physiology and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA.
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Stover CA, Crabtree CM, Dom AM, Lau JK, Brown KC, Shiflett B, Witte TR, Hardman WE, Dasgupta P. Capsaicin: a novel dietary therapeutic agent in human small cell lung cancers. FASEB J 2013. [DOI: 10.1096/fasebj.27.1_supplement.1166.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Cody A Stover
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Clayton M Crabtree
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Aaron M Dom
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Jamie K Lau
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Kathleen C Brown
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Brandon Shiflett
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Theodore R Witte
- Biochemistry and MicrobiologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - W Elaine Hardman
- Biochemistry and MicrobiologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Piyali Dasgupta
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
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Brown KC, Lau JK, Thornhill BA, Crabtree CM, Dom AM, Witte TR, Hardman WE, McNees CA, Stover CA, Carpenter AB, Luo H, Chen YC, Shiflett B, Dasgupta P. Inhibition of cholinergic signaling causes apoptosis in human bronchioalveolar carcinoma. FASEB J 2013. [DOI: 10.1096/fasebj.27.1_supplement.58.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kathleen C Brown
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Jamie K Lau
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Brent A Thornhill
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Clayton M Crabtree
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Aaron M Dom
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Theodore R Witte
- Biochemistry and MicrobiologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - W Elaine Hardman
- Biochemistry and MicrobiologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Christopher A McNees
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Cody A Stover
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - A Betts Carpenter
- Anatomy and PathologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Haitao Luo
- BiologyAlderson‐Broaddus CollegePhilippiWV
| | | | - Brandon Shiflett
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
| | - Piyali Dasgupta
- Pharmacology, Physiology, and ToxicologyJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWV
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Lau JK, Brown KC, Thornhill BA, Crabtree CM, Dom AM, Witte TR, Hardman WE, McNees CA, Stover CA, Carpenter AB, Luo H, Chen YC, Shiflett BS, Dasgupta P. Inhibition of cholinergic signaling causes apoptosis in human bronchioalveolar carcinoma. Cancer Res 2013; 73:1328-39. [PMID: 23222296 PMCID: PMC10461321 DOI: 10.1158/0008-5472.can-12-3190] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recent case-controlled clinical studies show that bronchioalveolar carcinomas (BAC) are correlated with smoking. Nicotine, the addictive component of cigarettes, accelerates cell proliferation through nicotinic acetylcholine receptors (nAChR). In this study, we show that human BACs produce acetylcholine (ACh) and contain several cholinergic factors including acetylcholinesterase (AChE), choline acetyltransferase (ChAT), choline transporter 1 (CHT1, SLC5A7), vesicular acetylcholine transporter (VAChT, SLC18A3), and nACh receptors (AChRs, CHRNAs). Nicotine increased the production of ACh in human BACs, and ACh acts as a growth factor for these cells. Nicotine-induced ACh production was mediated by α7-, α3β2-, and β3-nAChRs, ChAT and VAChT pathways. We observed that nicotine upregulated ChAT and VAChT. Therefore, we conjectured that VAChT antagonists, such as vesamicol, may suppress the growth of human BACs. Vesamicol induced potent apoptosis of human BACs in cell culture and nude mice models. Vesamicol did not have any effect on EGF or insulin-like growth factor-II-induced growth of human BACs. siRNA-mediated attenuation of VAChT reversed the apoptotic activity of vesamicol. We also observed that vesamicol inhibited Akt phosphorylation during cell death and that overexpression of constitutively active Akt reversed the apoptotic activity of vesamicol. Taken together, our results suggested that disruption of nicotine-induced cholinergic signaling by agents such as vesamicol may have applications in BAC therapy.
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Affiliation(s)
- Jamie K. Lau
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Kathleen C. Brown
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Brent A. Thornhill
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Clayton M. Crabtree
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Aaron M. Dom
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Theodore R. Witte
- Department of Biochemistry and Microbiology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - W. Elaine Hardman
- Department of Biochemistry and Microbiology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Christopher A. McNees
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Cody A. Stover
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - A. Betts Carpenter
- Department of Anatomy and Pathology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Haitao Luo
- Department of Biology, Alderson-Broaddus College, Philippi, West Virginia
| | - Yi C. Chen
- Department of Biology, Alderson-Broaddus College, Philippi, West Virginia
| | - Brandon S. Shiflett
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
| | - Piyali Dasgupta
- Department of Pharmacology, Physiology, and Toxicology, Joan C. Edwards School of Medicine, Marshall University, Huntington
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Abstract
Multilayer mirrors that maintain or increase their reflectivity with increasing incidence angle can be constructed using polymers that exhibit large birefringence in their indices of refraction. The most important feature of these multilayer interference stacks is the index difference in the thickness direction (z axis) relative to the in-plane directions of the film. This z-axis refractive index difference provides a variable that determines the existence and value of the Brewster's angle at layer interfaces, and it controls both the interfacial Fresnel reflection coefficient and the phase relations that determine the optics of multilayer stacks. These films can yield optical results that are difficult or impossible to achieve with conventional multilayer optical designs. The materials and processes necessary to fabricate such films are amenable to large-scale manufacturing.
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Affiliation(s)
- MF Weber
- 3M Film/Light Management Technology Center, 3M Center, St. Paul, MN 55144, USA
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