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Su L, Feng Y, Wei K, Xu X, Liu R, Chen G. Carbohydrate-Based Macromolecular Biomaterials. Chem Rev 2021; 121:10950-11029. [PMID: 34338501 DOI: 10.1021/acs.chemrev.0c01338] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Carbohydrates are the most abundant and one of the most important biomacromolecules in Nature. Except for energy-related compounds, carbohydrates can be roughly divided into two categories: Carbohydrates as matter and carbohydrates as information. As matter, carbohydrates are abundantly present in the extracellular matrix of animals and cell walls of various plants, bacteria, fungi, etc., serving as scaffolds. Some commonly found polysaccharides are featured as biocompatible materials with controllable rigidity and functionality, forming polymeric biomaterials which are widely used in drug delivery, tissue engineering, etc. As information, carbohydrates are usually referred to the glycans from glycoproteins, glycolipids, and proteoglycans, which bind to proteins or other carbohydrates, thereby meditating the cell-cell and cell-matrix interactions. These glycans could be simplified as synthetic glycopolymers, glycolipids, and glycoproteins, which could be afforded through polymerization, multistep synthesis, or a semisynthetic strategy. The information role of carbohydrates can be demonstrated not only as targeting reagents but also as immune antigens and adjuvants. The latter are also included in this review as they are always in a macromolecular formulation. In this review, we intend to provide a relatively comprehensive summary of carbohydrate-based macromolecular biomaterials since 2010 while emphasizing the fundamental understanding to guide the rational design of biomaterials. Carbohydrate-based macromolecules on the basis of their resources and chemical structures will be discussed, including naturally occurring polysaccharides, naturally derived synthetic polysaccharides, glycopolymers/glycodendrimers, supramolecular glycopolymers, and synthetic glycolipids/glycoproteins. Multiscale structure-function relationships in several major application areas, including delivery systems, tissue engineering, and immunology, will be detailed. We hope this review will provide valuable information for the development of carbohydrate-based macromolecular biomaterials and build a bridge between the carbohydrates as matter and the carbohydrates as information to promote new biomaterial design in the near future.
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Affiliation(s)
- Lu Su
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, Eindhoven 5600, The Netherlands
| | - Yingle Feng
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Kongchang Wei
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Department of Materials meet Life, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
| | - Xuyang Xu
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Rongying Liu
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Guosong Chen
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Multiscale Research Institute of Complex Systems, Fudan University, Shanghai 200433, China
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Kaur N, Kumar V, Nayak SK, Wadhwa P, Kaur P, Sahu SK. Alpha-amylase as molecular target for treatment of diabetes mellitus: A comprehensive review. Chem Biol Drug Des 2021; 98:539-560. [PMID: 34173346 DOI: 10.1111/cbdd.13909] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/31/2021] [Accepted: 06/06/2021] [Indexed: 01/13/2023]
Abstract
The alpha (α)-amylase is a calcium metalloenzyme that aids digestion by breaking down polysaccharide molecules into smaller ones such as glucose and maltose. In addition, the enzyme causes postprandial hyperglycaemia and blood glucose levels to rise. α-Amylase is a well-known therapeutic target for the treatment and maintenance of postprandial blood glucose elevations. Various enzymatic inhibitors, such as acarbose, miglitol and voglibose, have been found to be effective in targeting this enzyme, prompting researchers to express an interest in developing potent alpha-amylase inhibitor molecules. The review mainly focused on designing different derivatives of drug molecules such as benzofuran hydrazone, indole hydrazone, spiroindolone, benzotriazoles, 1,3-diaryl-3-(arylamino) propan-1-one, oxadiazole and flavonoids along with their target-receptor interactions, IC50 values and other biological activities.
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Affiliation(s)
- Navjot Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Vanktesh Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Surendra Kumar Nayak
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Pankaj Wadhwa
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Paranjit Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Sanjeev Kumar Sahu
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
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Xiao G, Zou J, Xiao X. Sialic acid-conjugated PLGA nanoparticles enhance the protective effect of lycopene in chemotherapeutic drug-induced kidney injury. IET Nanobiotechnol 2021; 14:341-345. [PMID: 32463025 DOI: 10.1049/iet-nbt.2019.0363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Lycopene (LYC) is known to protect cells from oxidative damage caused by free radicals in human tissues. In the present study, the authors designed a LYC-loaded sialic acid (SA)-conjugated poly(D,L-lactide-co-glycolide) (PLGA) nanoparticle (LYC-NP) to enhance the therapeutic efficacy of LYC in acute kidney injury. The characteristics of the LYC-NPs were defined according to particle size, morphology, and in vitro drug release. The LYC-NPs exhibited a controlled release of LYC over 48 h. Confocal laser scanning microscopy clearly highlighted the targeting potential of SA. Enhanced green fluorescence was observed for the LYC-NPs in H2O2-treated human umbilical vein endothelial cells, indicating enhanced internalisation of NPs. The LYC-NPs showed significantly greater cell viability than H2O2-treated cells. In addition, the LYC-NPs remarkably reduced proinflammatory cytokine levels, attributable mainly to the increased cellular internalisation of the SA-based carrier delivery system. Furthermore, protein levels of caspase-3 and -9 were significantly down-regulated after treatment with the LYC-NPs. Overall, they have demonstrated that SA-conjugated PLGA-NPs containing LYC could be used to treat kidney injury.
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Affiliation(s)
- Gong Xiao
- Department of Nephrology, Xiangya Hospital Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Junlin Zou
- Department of Cardiology, Xiangya Hospital Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital Central South University, Changsha, Hunan, 410008, People's Republic of China.
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Johansson MW, Grill BM, Barretto KT, Favour MC, Schira HM, Swanson CM, Lee KE, Sorkness RL, Mosher DF, Denlinger LC, Jarjour NN. Plasma P-Selectin Is Inversely Associated with Lung Function and Corticosteroid Responsiveness in Asthma. Int Arch Allergy Immunol 2020; 181:879-887. [PMID: 32777786 DOI: 10.1159/000509600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 06/14/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Severe asthma has multiple phenotypes for which biomarkers are still being defined. Plasma P-selectin reports endothelial and/or platelet activation. OBJECTIVE To determine if P-selectin is associated with features of asthma in a longitudinal study. METHODS Plasmas from 70 adult patients enrolled in the Severe Asthma Research Program (SARP) III at the University of Wisconsin-Madison were analyzed for concentration of P-selectin at several points over the course of 3 years, namely, at baseline (BPS), after intramuscular triamcinolone acetonide (TA) injection, and at 36 months after baseline. Thirty-four participants also came in during acute exacerbation and 6 weeks after exacerbation. RESULTS BPS correlated inversely with forced expiratory volume in 1 s (FEV1) and with residual volume/total lung capacity, an indicator of air trapping. BPS was inversely associated with FEV1 change after TA, by regression analysis. FEV1 did not change significantly after TA if BPS was above the median, whereas patients with BPS below the median had significantly increased FEV1 after TA. BPS was higher in and predicted assignment to SARP phenotype cluster 5 ("severe fixed-airflow asthma"). P-selectin was modestly but significantly increased at exacerbation but returned to baseline within 3 years. CONCLUSIONS High BPS is associated with airway obstruction, air trapping, the "severe fixed-airflow" cluster, and lack of FEV1 improvement in response to TA injection. P-selectin concentration, which is a stable trait with only modest elevation during exacerbation, may be a useful biomarker for a severe asthma pheno- or endotype characterized by low pulmonary function and lack of corticosteroid responsiveness.
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Affiliation(s)
- Mats W Johansson
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA,
| | - Brandon M Grill
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA
| | - Karina T Barretto
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA
| | - Molly C Favour
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA
| | - Hazel M Schira
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA
| | - Calvin M Swanson
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA
| | - Kristine E Lee
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, Wisconsin, USA
| | - Ronald L Sorkness
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - Deane F Mosher
- Department of Biomolecular Chemistry, University of Wisconsin, Madison, Wisconsin, USA.,Department of Medicine, University of Wisconsin, Madison, Wisconsin, USA
| | - Loren C Denlinger
- Department of Medicine, University of Wisconsin, Madison, Wisconsin, USA
| | - Nizar N Jarjour
- Department of Medicine, University of Wisconsin, Madison, Wisconsin, USA
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Wei Y, Shao J, Shen H, Wang Y, Cao G, Chen W, Zhang J, Yin L. The inhibitory role of recombinant P-selectin glycoprotein ligand immunoglobulin G on portal vein thrombosis based on a novel rat model. Exp Ther Med 2019; 17:3589-3597. [PMID: 30988741 PMCID: PMC6447773 DOI: 10.3892/etm.2019.7394] [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: 03/21/2018] [Accepted: 12/27/2018] [Indexed: 11/06/2022] Open
Abstract
The current study aimed to reveal a novel method for constructing a portal vein thrombosis (PVT) model in rats and to evaluate the inhibitory role of recombinant P-selectin glycoprotein ligand immunoglobulin G (rPSGL-Ig) on the formation of PVT. The PVT model was constructed in rats through intermittent portal vein obstruction (IPVO) combined with endangium destruction. A total of 4 mg/kg rPSGL-Ig was intraperitoneally pre-injected into rats 1 h prior to model construction. Changes in the thrombus size and vessel diameter were observed by B-scan ultrasonography. Histopathological changes in the portal vein, central hepatic vein and vasa intestini tenuis were observed using hematoxylin and eosin staining. Additionally, histopathological changes in the portal vein were observed by transmission electron microscopy. A total of 8 mg/kg rPSGL-Ig or 2×104 U/kg urokinase were used to compare the thrombolytic effects and thrombus sizes. The PVT model was successfully constructed in rats, and exhibited a significantly greater thrombus size and vessel diameter compared with the control group (P<0.05). Intervention with rPSGL-Ig significantly inhibited the formation of PVT, and resulted in a significantly lower thrombus size and vessel diameter compared with the model group (P<0.05). Additionally, histopathological changes in the portal vein, central hepatic vein and vasa intestini tenuis in PVT rats were considerably reversed following the intervention with rPSGL-Ig. rPSGL-Ig demonstrated a lower thrombolytic effect compared with that of URO. IPVO combined with endangium destruction effectively constructed a PVT model in rats. rPSGL-Ig effectively prevented PVT in rats. rPSGL-Ig may be used in future studies for the treatment of patients with PVT.
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Affiliation(s)
- Yunhai Wei
- Surgical Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Jie Shao
- Integrated Traditional Chinese and Western Medicine Surgery, Huzhou Maternal and Child Health Care Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Hua Shen
- Surgical Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Yan Wang
- Surgical Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Guoliang Cao
- Surgical Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Wenxian Chen
- Ultrasonography Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Jinyu Zhang
- Surgical Department, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
| | - Lei Yin
- Department of Gastrointestinal Surgery, Huzhou Central Hospital, Zhejiang University Huzhou Hospital, Huzhou, Zhejiang 313000, P.R. China
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Structure-activity relationship of propylene glycol alginate sodium sulfate derivatives for blockade of selectins binding to tumor cells. Carbohydr Polym 2019; 210:225-233. [PMID: 30732758 DOI: 10.1016/j.carbpol.2019.01.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/18/2018] [Accepted: 01/08/2019] [Indexed: 12/31/2022]
Abstract
Selectins dominate the formation of the metastasis niche and are considered important targets for exploring antimetastatic drugs. In this study, we evaluated the effect of the marine drug propylene glycol alginate sodium sulfate (PSS) and a series of PSS derivatives on P-, L- or E-selectin-mediated binding with tumor cells. We found that PSS effectively prevented the binding of P- or L-selectin with tumor cells. Moreover, the structure-activity relationship study indicated that the activity of PSS is related to the sulfate group at the C-2/C-3 position, the propylene glycol substituent at the C-6 position, the ratio of guluronic acid to mannuronic acid, and the molecular weight. Additionally, PSS derivatives significantly suppressed lung metastasis in vivo. Our results demonstrated that PSS and its derivatives are potential antimetastatic drugs candidates.
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Liu M, Luo X, Qiu Q, Kang L, Li T, Ding J, Xiong Y, Zhao Z, Zan J, Chang C, Liu X, Song Y, Deng Y. Redox- and pH-Sensitive Glycan (Polysialic Acid) Derivatives and F127 Mixed Micelles for Tumor-Targeted Drug Delivery. Mol Pharm 2018; 15:5534-5545. [DOI: 10.1021/acs.molpharmaceut.8b00687] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Mingqi Liu
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Xiang Luo
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Qiujun Qiu
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Le Kang
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Tang Li
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Junqiang Ding
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Yan Xiong
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Zitong Zhao
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Jinlei Zan
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Chuqing Chang
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Xinrong Liu
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Yanzhi Song
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Yihui Deng
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning 110016, China
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Tsoref O, Tyomkin D, Amit U, Landa N, Cohen-Rosenboim O, Kain D, Golan M, Naftali-Shani N, David A, Leor J. E-selectin-targeted copolymer reduces atherosclerotic lesions, adverse cardiac remodeling, and dysfunction. J Control Release 2018; 288:136-147. [DOI: 10.1016/j.jconrel.2018.08.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/15/2018] [Accepted: 08/20/2018] [Indexed: 01/08/2023]
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9
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Affiliation(s)
- Roberto Tinoco
- Infectious & Inflammatory Disease Center & National Cancer Institute (NCI)-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Research Institute, La Jolla, CA 92037 USA
| | - Linda M Bradley
- Infectious & Inflammatory Disease Center & National Cancer Institute (NCI)-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Research Institute, La Jolla, CA 92037 USA
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Docheva N, Romero R, Chaemsaithong P, Tarca AL, Bhatti G, Pacora P, Panaitescu B, Chaiyasit N, Chaiworapongsa T, Maymon E, Hassan SS, Erez O. The profiles of soluble adhesion molecules in the "great obstetrical syndromes" . J Matern Fetal Neonatal Med 2018; 32:2113-2136. [PMID: 29320948 DOI: 10.1080/14767058.2018.1427058] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The objective of this study was to determine the profiles of maternal plasma soluble adhesion molecules in patients with preeclampsia, small-for-gestational-age (SGA) fetuses, acute pyelonephritis, preterm labor with intact membranes (PTL), preterm prelabor rupture of the membranes (preterm PROM), and fetal death. MATERIALS AND METHODS A cross-sectional study was conducted to determine maternal plasma concentrations of sE-selectin, sL-selectin, and sP-selectin as well as sICAM-1, sVCAM-1, and sPECAM-1 in patients with (1) an uncomplicated pregnancy (control, n = 100); (2) preeclampsia (n = 94); (3) SGA fetuses (in women without preeclampsia/hypertension, n = 45); (4) acute pyelonephritis (n = 25); (5) PTL (n = 53); (6) preterm PROM (n = 24); and (7) fetal death (n = 34). Concentrations of soluble adhesion molecules and inflammatory cytokines (tumor necrosis factor (TNF)-α and interleukin (IL)-8) were determined with sensitive and specific enzyme-linked immunoassays. RESULTS In comparison to women with a normal pregnancy, (1) women with preeclampsia had higher median concentrations of sE-selectin, sP-selectin, and sVCAM-1, and a lower concentration of sL-selectin (all p values < .001); (2) patients with SGA fetuses had higher median concentrations of sE-selectin, sP-selectin, and sVCAM-1 (all p values < .05); (3) patients with a fetal death had higher median concentrations of sE-selectin and sP-selectin (all p values < .05); (4) patients with acute pyelonephritis had higher median plasma concentrations of sE-selectin, sICAM-1, and sVCAM-1 (all p values < .001); (5) patients with preeclampsia and acute pyelonephritis, plasma concentrations of sVCAM-1, sE-selectin, and sP-selectin correlated with those of the proinflammatory cytokines TNF-α and interleukin (IL)-8 (all p values < .05); (6) patients with PTL had a higher median concentration of sP-selectin and a lower median concentration of VCAM-1 (all p values < .05); and (7) women with preterm PROM had lower median concentrations of sL-selectin and sVCAM-1 (all p values < .05). CONCLUSIONS The results of this study show that endothelial cell activation/dysfunction reflected by the plasma concentration of sE-selectin is not specific to preeclampsia but is present in pregnancies complicated by SGA fetuses, acute pyelonephritis, and fetal death. Collectively, we report that each obstetrical syndrome appears to have a stereotypical profile of soluble adhesion molecules in the peripheral circulation.
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Affiliation(s)
- Nikolina Docheva
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Roberto Romero
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,c Department of Obstetrics and Gynecology , University of Michigan , Ann Arbor , MI , USA.,d Department of Epidemiology and Biostatistics , Michigan State University , East Lansing , MI , USA.,e Center for Molecular Medicine and Genetics , Wayne State University , Detroit , MI , USA
| | - Piya Chaemsaithong
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Adi L Tarca
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Gaurav Bhatti
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Percy Pacora
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Bogdan Panaitescu
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Noppadol Chaiyasit
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Tinnakorn Chaiworapongsa
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Eli Maymon
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA.,f Department of Obstetrics and Gynecology , Soroka University Medical Center, School of Medicine, Faculty of Health Sciences, Ben-Gurion University of the Negev , Beersheba , Israel
| | - Sonia S Hassan
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA.,g Department of Physiology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Offer Erez
- a Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development , National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit , MI , USA.,b Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA.,f Department of Obstetrics and Gynecology , Soroka University Medical Center, School of Medicine, Faculty of Health Sciences, Ben-Gurion University of the Negev , Beersheba , Israel
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11
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Bern MM. Extracellular vesicles: how they interact with endothelium, potentially contributing to metastatic cancer cell implants. Clin Transl Med 2017; 6:33. [PMID: 28933058 PMCID: PMC5607152 DOI: 10.1186/s40169-017-0165-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 08/13/2017] [Indexed: 02/07/2023] Open
Abstract
Extracellular vesicles (EV) are blebs of cellular membranes, which entrap small portions of subjacent cytosol. They are released from a variety of cells, circulate in the blood for an unknown length of time and come to rest on endothelial surfaces. They contribute to an array of physiologic pathways, the complexity of which is still being investigated. They contribute to metastatic malignant cell implants and tumor-related angiogenesis, possibly abetted by the tissue factor that they carry. It is thought that the adherence of the EV to endothelium is dependent upon a combination of their P-selectin glycoprotein ligand-1 and exposed phosphatidylserine, the latter of which is normally hidden on the inner bilayer of the intact cellular membrane. This manuscript reviews what is known about EV origins, their clearance from the circulation and how they contribute to malignant cell implants upon endothelium surfaces and subsequent tumor growth.
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Affiliation(s)
- Murray M Bern
- University of New Mexico Comprehensive Cancer Center, 1201 Camino de Salud, Albuquerque, NM, 87131, USA.
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Ofek P, Tiram G, Satchi-Fainaro R. Angiogenesis regulation by nanocarriers bearing RNA interference. Adv Drug Deliv Rev 2017; 119:3-19. [PMID: 28163106 DOI: 10.1016/j.addr.2017.01.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 01/25/2017] [Accepted: 01/31/2017] [Indexed: 12/22/2022]
Abstract
Since the approval of bevacizumab as anti-angiogenic therapy in 2004 by the FDA, an array of angiogenesis inhibitors have been developed and approved. However, results were disappointing with regard to their therapeutic efficacy. RNA interference approaches offer the possibility of rational design with high specificity, lacking in many current drug treatments for various diseases including cancer. However, in vivo delivery issues still represent a significant obstacle for widespread clinical applications. In the current review, we summarize the advances in the last decade in the field of angiogenesis-targeted RNA interference approaches, with special emphasis on oncology applications. We present pro-angiogenic and anti-angiogenic factors as potential targets, experimental evidence and clinical trials data on angiogenesis regulation by RNA interference. Consequent challenges and opportunities are discussed.
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Affiliation(s)
- Paula Ofek
- Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Galia Tiram
- Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ronit Satchi-Fainaro
- Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel.
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13
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Song C, Leng J, Wang L, Li W, Zhang S, Wang W, Liu P, Zhang J, Xie B, Li W, Chan JCN, Yang X. ABO blood types and postpartum depression among Chinese women: A prospective cohort study in Tianjin, China. Women Health 2017; 58:685-698. [DOI: 10.1080/03630242.2017.1333077] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Chunhua Song
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Junhong Leng
- Tianjin Women and Children’s Health Center, Tianjin, China
| | - Leishen Wang
- Tianjin Women and Children’s Health Center, Tianjin, China
| | - Wei Li
- Tianjin Women and Children’s Health Center, Tianjin, China
| | - Shuang Zhang
- Tianjin Women and Children’s Health Center, Tianjin, China
| | - Wei Wang
- Tianjin Hedong Women and Children’s Health Center, Tianjin, China
| | - Pingying Liu
- Tianjin Hebei Women and Children’s Health and Family Planning Center, Tianjin, China
| | - Jing Zhang
- Tianjin Hexi Women and Children’s Health and Family Planning Center, Tianjin, China
| | - Bin Xie
- Tianjin Hongqiao Women and Children’s Health and Family Planning Center, Tianjin, China
| | - Weidong Li
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Juliana C. N. Chan
- Department of Medicine and Therapeutics, Hong Kong Institute of Diabetes and Obesity and The Chinese University of Hong Kong-Prince of Wales Hospital-International Diabetes Federation Centre of Education, Hong Kong SAR, China
| | - Xilin Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
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Wedepohl S, Dernedde J, Vahedi-Faridi A, Tauber R, Saenger W, Bulut H. Reducing Macro- and Microheterogeneity of N-Glycans Enables the Crystal Structure of the Lectin and EGF-Like Domains of Human L-Selectin To Be Solved at 1.9 Å Resolution. Chembiochem 2017; 18:1338-1345. [PMID: 28489325 DOI: 10.1002/cbic.201700220] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Indexed: 01/07/2023]
Abstract
L-Selectin, a cell-adhesion receptor on the surface of most leukocytes, contains seven N-glycosylation sites. In order to obtain the crystal structure of human L-selectin, we expressed a shortened version of L-selectin comprising the C-type lectin and EGF-like domains (termed LE) and systematically analysed mutations of the three glycosylation sites (Asn22, Asn66 and Asn139) in order to reduce macroheterogeneity. After we further removed microheterogeneity, we obtained crystals that diffracted X-rays up to 1.9 Å from a variant (LE010) with exchanges N22Q and N139Q and one GlcNAc2 Man5 N-glycan chain attached to Asn66. Crystal-structure analysis showed that the terminal mannose of GlcNAc2 Man5 of one LE010 molecule was coordinated to Ca2+ in the binding site of a symmetry-related LE010. The orientation of the lectin and EGF-like domain was similar to the described "bent" conformation of E- and P-selectins. The Ca2+ -binding site reflects the binding mode seen in E- and P-selectin structures co-crystallised with ligands.
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Affiliation(s)
- Stefanie Wedepohl
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité Universitätsmedizin Berlin, CVK, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Jens Dernedde
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité Universitätsmedizin Berlin, CVK, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Ardeschir Vahedi-Faridi
- Institut für Chemie und Biochemie/Kristallographie, Freie Universität Berlin, Takustrasse 6, 14195, Berlin, Germany
| | - Rudolf Tauber
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité Universitätsmedizin Berlin, CVK, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Wolfram Saenger
- Institut für Chemie und Biochemie/Kristallographie, Freie Universität Berlin, Takustrasse 6, 14195, Berlin, Germany
| | - Haydar Bulut
- Institut für Chemie und Biochemie/Kristallographie, Freie Universität Berlin, Takustrasse 6, 14195, Berlin, Germany
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Hu JB, Kang XQ, Liang J, Wang XJ, Xu XL, Yang P, Ying XY, Jiang SP, Du YZ. E-selectin-targeted Sialic Acid-PEG-dexamethasone Micelles for Enhanced Anti-Inflammatory Efficacy for Acute Kidney Injury. Theranostics 2017; 7:2204-2219. [PMID: 28740545 PMCID: PMC5505054 DOI: 10.7150/thno.19571] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 03/16/2017] [Indexed: 12/12/2022] Open
Abstract
The effective treatment for acute kidney injury (AKI) is currently limited, and care is primarily supportive. Sialic acid (SA) is main component of Sialyl Lewisx antigen on the mammalian cell surface, which participates in E-selectin binding. Therefore, dexamethasone(DXM)-loaded E-selectin-targeting sialic acid-polyethylene glycol-dexamethasone (SA-PEG-DXM/DXM) conjugate micelles are designed for ameliorating AKI. The conjugates are synthesized via the esterification reaction between PEG and SA or DXM, and can spontaneously form micelles in an aqueous solution with a 65.6 µg/mL critical micelle concentration. Free DXM is incorporated into the micelles with 6.28 ± 0.21% drug loading content. In vitro DXM release from SA-PEG-DXM/DXM micelles can be prolonged to 48h. Much more SA-PEG-DXM micelles can be internalized by lipopolysaccharide (LPS)-activated human umbilical vein endothelial cells (HUVECs) in comparison to PEG-DXM micelles due to specific interaction between SA and E-selectin expressed on HUVECs, and consequently more SA-PEG-DXM micelles are accumulated in the kidney of AKI murine model. Furthermore, SA in SA-PEG-DXM conjugates can significantly ameliorate LPS-induced production of pro-inflammatory cytokines via suppressing LPS-activated Beclin-1/Atg5-Atg12-mediated autophagy to attenuate toxicity. Compared with free DXM and PEG-DXM/DXM micelles, SA-PEG-DXM/DXM micelles show better therapeutical effects, as reflected by the improved renal function, histopathological changes, pro-inflammatory cytokines, oxidative stress and expression of apoptotic related proteins.
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Affiliation(s)
- Jing-Bo Hu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xu-Qi Kang
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Jing Liang
- Department of Pharmacy, Zhejiang Hospital, Hangzhou 310013, China
| | - Xiao-Juan Wang
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xiao-Ling Xu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Ping Yang
- Department of Pharmacy, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou 310003, China
| | - Xiao-Ying Ying
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Sai-Ping Jiang
- Department of Pharmacy, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou 310003, China
| | - Yong-Zhong Du
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
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Control of metastatic niche formation by targeting APBA3/Mint3 in inflammatory monocytes. Proc Natl Acad Sci U S A 2017; 114:E4416-E4424. [PMID: 28507122 DOI: 10.1073/pnas.1703171114] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Cancer metastasis is intricately orchestrated by both cancer and normal cells, such as endothelial cells and macrophages. Monocytes/macrophages, which are often co-opted by cancer cells and promote tumor malignancy, acquire more than half of their energy from glycolysis even during normoxic conditions. This glycolytic activity is maintained during normoxia by the functions of hypoxia inducible factor 1 (HIF-1) and its activator APBA3. The mechanism by which APBA3 inhibition partially suppresses macrophage function and affects cancer metastasis is of interest in view of avoidance of the adverse effects of complete suppression of macrophage function during therapy. Here, we report that APBA3-deficient mice show reduced metastasis, with no apparent effect on primary tumor growth. APBA3 deficiency in inflammatory monocytes, which strongly express the chemokine receptor CCR2 and are recruited toward chemokine CCL2 from metastatic sites, hampers glycolysis-dependent chemotaxis of cells toward metastatic sites and inhibits VEGFA expression, similar to the effects observed with HIF-1 deficiency. Host APBA3 induces VEGFA-mediated E-selectin expression in the endothelial cells of target organs, thereby promoting extravasation of cancer cells and micrometastasis formation. Administration of E-selectin-neutralizing antibody also abolished host APBA3-mediated metastatic formation. Thus, targeting APBA3 is useful for controlling metastatic niche formation by inflammatory monocytes.
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17
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Mapping cell surface adhesion by rotation tracking and adhesion footprinting. Sci Rep 2017; 7:44502. [PMID: 28290531 PMCID: PMC5349612 DOI: 10.1038/srep44502] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 02/08/2017] [Indexed: 12/22/2022] Open
Abstract
Rolling adhesion, in which cells passively roll along surfaces under shear flow, is a critical process involved in inflammatory responses and cancer metastasis. Surface adhesion properties regulated by adhesion receptors and membrane tethers are critical in understanding cell rolling behavior. Locally, adhesion molecules are distributed at the tips of membrane tethers. However, how functional adhesion properties are globally distributed on the individual cell’s surface is unknown. Here, we developed a label-free technique to determine the spatial distribution of adhesive properties on rolling cell surfaces. Using dark-field imaging and particle tracking, we extract the rotational motion of individual rolling cells. The rotational information allows us to construct an adhesion map along the contact circumference of a single cell. To complement this approach, we also developed a fluorescent adhesion footprint assay to record the molecular adhesion events from cell rolling. Applying the combination of the two methods on human promyelocytic leukemia cells, our results surprisingly reveal that adhesion is non-uniformly distributed in patches on the cell surfaces. Our label-free adhesion mapping methods are applicable to the variety of cell types that undergo rolling adhesion and provide a quantitative picture of cell surface adhesion at the functional and molecular level.
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18
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Barra PA, Ribeiro AJM, Ramos MJ, Jiménez VA, Alderete JB, Fernandes PA. Binding free energy calculations on E-selectin complexes with sLex
oligosaccharide analogs. Chem Biol Drug Des 2016; 89:114-123. [DOI: 10.1111/cbdd.12837] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 08/01/2016] [Accepted: 08/06/2016] [Indexed: 02/03/2023]
Affiliation(s)
- Pabla A. Barra
- Departamento de Química Orgánica; Facultad de Ciencias Químicas; Universidad de Concepción; Concepción Chile
| | | | - Maria J. Ramos
- Faculdade de Ciencias; Universidad do Porto; Porto Portugal
| | - Verónica A. Jiménez
- Departamento de Ciencias Químicas; Facultad de Ciencias Exactas; Universidad Andres Bello Sede Concepción; Talcahuano Chile
| | - Joel B. Alderete
- Departamento de Química Orgánica; Facultad de Ciencias Químicas; Universidad de Concepción; Concepción Chile
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Lu W, Jiang JP, Hu J, Wang J, Zheng MZ. Curcumin protects against lipopolysaccharide-induced vasoconstriction dysfunction via inhibition of thrombospondin-1 and transforming growth factor-β1. Exp Ther Med 2014; 9:377-383. [PMID: 25574201 PMCID: PMC4280923 DOI: 10.3892/etm.2014.2105] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 11/07/2014] [Indexed: 02/06/2023] Open
Abstract
Sepsis is a complex syndrome characterized by the development of progressive dysfunction in multiple organs. The aim of the present study was to investigate the protective effect of curcumin against lipopolysaccharide (LPS)-induced vasoconstrictive dysfunction, and to investigate the possible underlying mechanism. Male Sprague-Dawley rats were randomly divided into the following groups: Control, sepsis and curcumin. A sepsis model was established by an intraperitoneal (i.p.) injection of 5 mg/kg LPS. Thoracic aortic rings obtained from the rats were mounted in an organ bath and the vasoconstriction of the rings was recorded. In addition, the serum E-selectin levels were determined by an enzyme-linked immunosorbent assay. The expression levels of thrombospondin (TSP)-1 and transforming growth factor (TGF)-β1 in the aortic tissue were detected by immunohistochemistry. Vasoconstriction of the aortic rings was found to significantly decrease in the sepsis rats when compared with the control group. However, curcumin (10 or 20 mg/kg, i.p.) prevented the vasoconstrictive dysfunction induced by LPS. The serum level of E-selectin and the expression levels of TSP-1 and TGF-β1 significantly increased in the sepsis rats when compared with the control group rats; however, the levels decreased significantly following treatment with curcumin (10 or 20 mg/kg). Furthermore, hematoxylin and eosin staining revealed that curcumin alleviated the LPS-induced damage in the aortic tunica intima and tunica media. Therefore, the results indicated that curcumin alleviates LPS-induced vasoconstrictive dysfunction in the thoracic aorta of rats. In addition, the inhibition of TSP-1 and TGF-β1 expression may be involved in the mechanism underlying this protective effect.
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Affiliation(s)
- Wei Lu
- Department of Vascular Surgery, Quzhou People's Hospital, Quzhou, Zhejiang 324000, P.R. China
| | - Jian-Ping Jiang
- Department of Clinical Medicine, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Jue Hu
- Department of Basic Medical Sciences, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Jue Wang
- Department of Basic Medical Sciences, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Ming-Zhi Zheng
- Department of Basic Medical Sciences, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
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22
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Woelke AL, Kuehne C, Meyer T, Galstyan G, Dernedde J, Knapp EW. Understanding selectin counter-receptor binding from electrostatic energy computations and experimental binding studies. J Phys Chem B 2013; 117:16443-54. [PMID: 24304345 DOI: 10.1021/jp4099123] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Higher organisms defend themselves against invading micro-organisms and harmful substances with their immune system. Key players of the immune system are the white blood cells (WBC), which in case of infection move in an extravasation process from blood vessels toward infected tissue promoting inflammation. This process starts with the attachment of the WBC to the blood vessel wall, mediated by protein pair interactions of selectins and counter-receptors (C-R). Individual selectin C-R binding is weak and varies only moderately between the three selectin types. Multivalency enhances such small differences, rendering selectin-binding type specific. In this work, we study selectin C-R binding, the initial step of extravasation. We performed electrostatic energy computations based on the crystal structure of one selectin type co-crystallized with the ligating part of the C-R. The agreement with measured free energies of binding is satisfactory. Additionally, we modeled selectin mutant structures in order to explain differences in binding of the different selectin types. To verify our modeling procedures, surface plasmon resonance data were measured for several mutants and compared with computed binding affinities. Binding affinities computed with soaked rather than co-crystallized selectin C-R structures do not agree with measured data. Hence, these structures are inappropriate to describe the binding mode. The analysis of selectin/C-R binding unravels the role played by individual molecular components in the binding event. This opens new avenues to prevent immune system malfunction, designing drugs that can control inflammatory processes by moderating selectin C-R binding.
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Affiliation(s)
- Anna Lena Woelke
- Institute of Chemistry and Biochemistry, Freie Universität Berlin , D-14195 Berlin, Germany
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Johansson MW, Kruger SJ, Schiebler ML, Evans MD, Sorkness RL, Denlinger LC, Busse WW, Jarjour NN, Montgomery RR, Mosher DF, Fain SB. Markers of vascular perturbation correlate with airway structural change in asthma. Am J Respir Crit Care Med 2013; 188:167-78. [PMID: 23855693 DOI: 10.1164/rccm.201301-0185oc] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
RATIONALE Air trapping and ventilation defects on imaging are characteristics of asthma. Airway wall thickening occurs in asthma and is associated with increased bronchial vascularity and vascular permeability. Vascular endothelial cell products have not been explored as a surrogate to mark structural airway changes in asthma. OBJECTIVES Determine whether reporters of vascular endothelial cell perturbation correlate with airway imaging metrics in patients with asthma of varying severity. METHODS Plasma from Severe Asthma Research Program subjects was analyzed by ELISAs for soluble von Willebrand factor mature protein (VWF:Ag) and propeptide (VWFpp), P-selectin, and platelet factor 4. Additional subjects were analyzed over 48 hours after whole-lung antigen challenge. We calculated ventilation defect volume by hyperpolarized helium-3 magnetic resonance imaging and areas of low signal density by multidetector computed tomography (less than -856 Hounsfield units [HU] at functional residual capacity and -950 HU at total lung capacity [TLC]). MEASUREMENTS AND MAIN RESULTS VWFpp and VWFpp/Ag ratio correlated with and predicted greater percentage defect volume on hyperpolarized helium-3 magnetic resonance imaging. P-selectin correlated with and predicted greater area of low density on chest multidetector computed tomography less than -950 HU at TLC. Platelet factor 4 did not correlate. Following whole-lung antigen challenge, variation in VWFpp, VWFpp/Ag, and P-selectin among time-points was less than that among subjects, indicating stability and repeatability of the measurements. CONCLUSIONS Plasma VWFpp and P-selectin may be useful as surrogates of functional and structural defects that are evident on imaging. The results raise important questions about why VWFpp and P-selectin are associated specifically with different imaging abnormalities.
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Affiliation(s)
- Mats W Johansson
- Department of Biomolecular Chemistry, University of Wisconsin, 4285A Medical Sciences Center, 1300 University Avenue, Madison, WI 53706, USA.
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Impellizzeri D, Cuzzocrea S. Targeting selectins for the treatment of inflammatory diseases. Expert Opin Ther Targets 2013; 18:55-67. [DOI: 10.1517/14728222.2013.841140] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhou J, Tiemann K, Chomchan P, Alluin J, Swiderski P, Burnett J, Zhang X, Forman S, Chen R, Rossi J. Dual functional BAFF receptor aptamers inhibit ligand-induced proliferation and deliver siRNAs to NHL cells. Nucleic Acids Res 2013; 41:4266-83. [PMID: 23470998 PMCID: PMC3627597 DOI: 10.1093/nar/gkt125] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The B-cell–activating factor (BAFF)-receptor (BAFF-R) is restrictedly expressed on B-cells and is often overexpressed in B-cell malignancies, such as non-Hodgkin’s lymphoma. On binding to its ligand BAFF, proliferation and cell survival are increased, enabling cancer cells to proliferate faster than normal B-cells. Nucleic acid aptamers can bind to target ligands with high specificity and affinity and may offer therapeutic advantages over antibody-based approaches. In this study, we isolated several 2′-F–modified RNA aptamers targeting the B-cell–specific BAFF-R with nanomolar affinity using in vitro SELEX technology. The aptamers efficiently bound to BAFF-R on the surface of B-cells, blocked BAFF-mediated B-cell proliferation and were internalized into B-cells. Furthermore, chimeric molecules between the BAFF-R aptamer and small interfering RNAs (siRNAs) were specifically delivered to BAFF-R expressing cells with a similar efficiency as the aptamer alone. We demonstrate that a signal transducer and activator of transcription 3 (STAT3) siRNA delivered by the BAFF-R aptamer was processed by Dicer and efficiently reduced levels of target mRNA and protein in Jeko-1 and Z138 human B-cell lines. Collectively, our results demonstrate that the dual-functional BAFF-R aptamer–siRNA conjugates are able to deliver siRNAs and block ligand mediated processes, suggesting it might be a promising combinatorial therapeutic agent for B-cell malignancies.
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Affiliation(s)
- Jiehua Zhou
- Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
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Detection of early stage atherosclerotic plaques using PET and CT fusion imaging targeting P-selectin in low density lipoprotein receptor-deficient mice. Biochem Biophys Res Commun 2013; 433:47-51. [PMID: 23485468 DOI: 10.1016/j.bbrc.2013.02.069] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Accepted: 02/15/2013] [Indexed: 11/20/2022]
Abstract
BACKGROUND Sensitive detection and qualitative analysis of atherosclerotic plaques are in high demand in cardiovascular clinical settings. The leukocyte-endothelial interaction mediated by an adhesion molecule P-selectin participates in arterial wall inflammation and atherosclerosis. METHODS AND RESULTS A (64)Cu-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid conjugated anti-P-selectin monoclonal antibody ((64)Cu-DOTA-anti-P-selectin mAb) probe was prepared by conjugating an anti-P-selectin monoclonal antibody with DOTA followed by (64)Cu labeling. Thirty-six hours prior to PET and CT fusion imaging, 3MBq of (64)Cu-DOTA-anti-P-selectin mAb was intravenously injected into low density lipoprotein receptor-deficient Ldlr-/- mice. After a 180min PET scan, autoradiography and biodistribution of (64)Cu-DOTA-anti-P-selectin monoclonal antibody was examined using excised aortas. In Ldlr-/- mice fed with a high cholesterol diet for promotion of atherosclerotic plaque development, PET and CT fusion imaging revealed selective and prominent accumulation of the probe in the aortic root. Autoradiography of aortas that demonstrated probe uptake into atherosclerotic plaques was confirmed by Oil red O staining for lipid droplets. In Ldlr-/- mice fed with a chow diet to develop mild atherosclerotic plaques, probe accumulation was barely detectable in the aortic root on PET and CT fusion imaging. Probe biodistribution in aortas was 6.6-fold higher in Ldlr-/- mice fed with a high cholesterol diet than in those fed with a normal chow diet. (64)Cu-DOTA-anti-P-selectin mAb accumulated selectively in aortic atherosclerotic plaques and was detectable by PET and CT fusion imaging in Ldlr-/- mice. CONCLUSIONS P-selectin is a candidate target molecule for early-phase detection by PET and CT fusion imaging of atherosclerotic plaques.
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Pertici F, Pieters RJ. Potent divalent inhibitors with rigid glucose click spacers for Pseudomonas aeruginosa lectin LecA. Chem Commun (Camb) 2012; 48:4008-10. [PMID: 22428159 DOI: 10.1039/c2cc30234a] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The synthesis of a new rigid spacer based on carbohydrate-triazole repeating units and their incorporation into divalent systems is described. Inhibition studies showed that a well-matched system with a rigid spacer with flexible ends leads to the most potent inhibition of Pseudomonas aeruginosa lectin LecA.
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Affiliation(s)
- Francesca Pertici
- Department of Medicinal Chemistry and Chemical Biology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
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Jubeli E, Moine L, Vergnaud-Gauduchon J, Barratt G. E-selectin as a target for drug delivery and molecular imaging. J Control Release 2011; 158:194-206. [PMID: 21983284 DOI: 10.1016/j.jconrel.2011.09.084] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2011] [Accepted: 09/22/2011] [Indexed: 01/02/2023]
Abstract
E-selectin, also known as CD62E, is a cell adhesion molecule expressed on endothelial cells activated by cytokines. Like other selectins, it plays an important part in inflammation and in the adhesion of metastatic cancer cells to the endothelium. E-selectin recognizes and binds to sialylated carbohydrates present on the surface proteins of certain leukocytes. E-selectin has been chosen as a target for several therapeutic and medical imaging applications, based on its expression in the vicinity of inflammation, infection or cancer. These systems for drug delivery and molecular imaging include immunoconjugates, liposomes, nanoparticles, and microparticles prepared from a wide range of starting materials including lipids, synthetic polymers, polypeptides and organo-metallic structures. After a brief introduction presenting the selectin family and their implication in physiology and pathology, this review focuses on the formulation of these new delivery systems targeting E-selectin at a molecular level.
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Affiliation(s)
- Emile Jubeli
- Université Paris-Sud 11, Faculté de Pharmacie 5 rue J.B. Clément Chatenay-Malabry, FR 92296, UMR 8612 CNRS, LabEx LERMIT, France
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Mann AP, Bhavane RC, Somasunderam A, Liz Montalvo-Ortiz B, Ghaghada KB, Volk D, Nieves-Alicea R, Suh KS, Ferrari M, Annapragada A, Gorenstein DG, Tanaka T. Thioaptamer conjugated liposomes for tumor vasculature targeting. Oncotarget 2011; 2:298-304. [PMID: 21666286 PMCID: PMC3248173 DOI: 10.18632/oncotarget.261] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Recent developments in multi-functional nanoparticles offer a great potential for targeted delivery of therapeutic compounds and imaging contrast agents to specific cell types, in turn, enhancing therapeutic effect and minimizing side effects. Despite the promise, site specific delivery carriers have not been translated into clinical reality. In this study, we have developed long circulating liposomes with the outer surface decorated with thioated oligonucleotide aptamer (thioaptamer) against E-selectin (ESTA) and evaluated the targeting efficacy and PK parameters. In vitro targeting studies using Human Umbilical Cord Vein Endothelial Cell (HUVEC) demonstrated efficient and rapid uptake of the ESTA conjugated liposomes (ESTA-lip). In vivo, the intravenous administration of ESTA-lip resulted in their accumulation at the tumor vasculature of breast tumor xenografts without shortening the circulation half-life. The study presented here represents an exemplary use of thioaptamer for targeting and opens the door to testing various combinations of thioaptamer and nanocarriers that can be constructed to target multiple cancer types and tumor components for delivery of both therapeutics and imaging agents.
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Affiliation(s)
- Aman P Mann
- Department of Nanomedicine, University of Texas Health Science Center at Houston, 1825 Hermann Pressler, Houston, Texas 77030, USA
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Paschos KA, Canovas D, Bird NC. The engagement of selectins and their ligands in colorectal cancer liver metastases. J Cell Mol Med 2011; 14:165-74. [PMID: 19627399 PMCID: PMC3837616 DOI: 10.1111/j.1582-4934.2009.00852.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The colonization of the liver by colorectal cancer (CRC) cells is a complicated process which includes many stages, until macrometastases occur. The entrapment of malignant cells within the hepatic sinusoids and their interactions with resident non-parenchymal cells are considered very important for the whole metastatic sequence. In the sinusoids, cell connection and signalling is mediated by multiple cell adhesion molecules, such as the selectins. The three members of the selectin family, E-, P- and L-selectin, in conjunction with sialylated Lewis ligands and CD44 variants, regulate colorectal cell communication and adhesion with platelets, leucocytes, sinusoidal endothelial cells and stellate cells. Their role in CRC liver metastases has been investigated in animal models and human tissue, in vivo and in vitro, in static and shear flow conditions, and their key-function in several molecular pathways has been displayed. Therefore, trials have already commenced aiming to exploit selectins and their ligands in the treatment of benign and malignant diseases. Multiple pharmacological agents have been developed that are being tested for potential therapeutic applications.
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Affiliation(s)
- Konstantinos A Paschos
- Liver Research Group, Section of Oncology, School of Medicine, Royal Hallamshire Hospital, The University of Sheffield, Sheffield, UK.
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31
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Weinhart M, Gröger D, Enders S, Riese SB, Dernedde J, Kainthan RK, Brooks DE, Haag R. The Role of Dimension in Multivalent Binding Events: Structure-Activity Relationship of Dendritic Polyglycerol Sulfate Binding to L
-Selectin in Correlation with Size and Surface Charge Density. Macromol Biosci 2011; 11:1088-98. [DOI: 10.1002/mabi.201100051] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2011] [Revised: 04/11/2011] [Indexed: 01/24/2023]
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Johansson MW, Mosher DF. Activation of beta1 integrins on blood eosinophils by P-selectin. Am J Respir Cell Mol Biol 2011; 45:889-97. [PMID: 21441381 DOI: 10.1165/rcmb.2010-0402oc] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Activation of β(1) integrins of blood eosinophils, assessed by mAb N29, correlates inversely with FEV(1) in two paradigms for studying control of human asthma. We asked whether P-selectin causes eosinophil β(1) integrin activation and results in increased adhesivity. By dual-label flow cytometry, eosinophils with high levels of surface-associated P-selectin had higher reactivity with the activation-sensitive anti-β(1) mAbs N29, 8E3, and 9EG7 than eosinophils with no or with a low-level of surface-associated P-selectin. Among patients with nonsevere asthma, surface P-selectin correlated with N29, 8E3, and 9EG7 signals. By immunofluorescence microscopy, surface-associated P-selectin was present in patches on eosinophils, some of which stained for the platelet marker thrombospondin-1. Activated β(1) and P-selectin partially colocalized on eosinophils. Soluble P-selectin added to whole blood enhanced activation of eosinophil β(1), but not β(2), integrins. In contrast, IL-5 activated eosinophil β(2), but not β(1), integrins. Eosinophils that did not attach to vascular cell adhesion molecule-1 (VCAM-1) in a static adhesion assay had a lower N29 signal than the original population. Soluble P-selectin added to whole blood enhanced eosinophil adhesion to VCAM-1. These findings are compatible with a scenario whereby P-selectin, on eosinophil-associated activated platelets or acquired from plasma or from prior interactions with endothelial cells or platelets, activates eosinophil α(4)β(1) integrin and stimulates eosinophils to adhere to VCAM-1 and move to the airway in asthma.
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Affiliation(s)
- Mats W Johansson
- Department of Biomolecular Chemistry, University of Wisconsin, 4285A, Medical Sciences Center, 1300 University Avenue, Madison, WI 53706, USA.
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Identification of thioaptamer ligand against E-selectin: potential application for inflamed vasculature targeting. PLoS One 2010; 5. [PMID: 20927342 PMCID: PMC2948018 DOI: 10.1371/journal.pone.0013050] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Accepted: 09/02/2010] [Indexed: 01/16/2023] Open
Abstract
Active targeting of a drug carrier to a specific target site is crucial to provide a safe and efficient delivery of therapeutics and imaging contrast agents. E-selectin expression is induced on the endothelial cell surface of vessels in response to inflammatory stimuli but is absent in the normal vessels. Thus, E-selectin is an attractive molecular target, and high affinity ligands for E-selectin could be powerful tools for the delivery of therapeutics and/or imaging agents to inflamed vessels. In this study, we identified a thiophosphate modified aptamer (thioaptamer, TA) against E-selectin (ESTA-1) by employing a two-step selection strategy: a recombinant protein-based TA binding selection from a combinatorial library followed by a cell-based TA binding selection using E-selectin expressing human microvascular endothelial cells. ESTA-1 selectively bound to E-selectin with nanomolar binding affinity (KD = 47 nM) while exhibiting minimal cross reactivity to P- and L-selectin. Furthermore, ESTA-1 binding to E-selectin on the endothelial cells markedly antagonized the adhesion (over 75% inhibition) of sLex positive HL-60 cells at nanomolar concentration. ESTA-1 also bound specifically to the inflamed tumor-associated vasculature of human carcinomas derived from breast, ovarian, and skin but not to normal organs, and this binding was highly associated with the E-selectin expression level. Similarly, intravenously injected ESTA-1 demonstrated distinct binding to the tumor vasculature in a breast cancer xenograft model. Together, our data substantiates the discovery of a thioaptamer (ESTA-1) that binds to E-selectin with high affinity and specificity, thereby highlighting the potential application of ESTA-1 for E-selectin targeted delivery.
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Sadek HA, Madkour BS, Shaheen IA, Saleh AF, Yaseen RF, Bayoumi EEDA, Toima SM. Portal vein thrombosis and haematemesis in chronic liver disease. Are P-selectin and PSGL-1 clues? Arab J Gastroenterol 2010. [DOI: 10.1016/j.ajg.2010.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Abstract
Clinical neurology and neurosurgery are two fields that face some of the most challenging and exciting problems remaining in medicine. Brain tumors, paralysis after trauma or stroke, and neurodegerative diseases are some of the many disorders for which effective therapies remain elusive. Nanotechnology seems poised to offer promising new solutions to some of these difficult problems. The latest advances in materials engineered at the nanoscale for applications relevant to the clinical neurosciences, such as medical imaging, nanotherapies for neurologic disease, nerve tissue engineering, and nanotechnological contributions to neuroelectrodes and brain-machine interface technology are reviewed. The primary classes of materials discussed include superparamagnetic iron oxide nanoparticles, gold nanoparticles, liposomes, carbon fullerenes, and carbon nanotubes. The potential of the field and the challenges that must be overcome for the current technology to become available clinically are highlighted.
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Affiliation(s)
- Kelly L. Collins
- University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0338
| | - Daniel A. Orringer
- University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0338
| | - Parag G. Patil
- University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0338
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Parera Pera N, Branderhorst HM, Kooij R, Maierhofer C, van der Kaaden M, Liskamp RMJ, Wittmann V, Ruijtenbeek R, Pieters RJ. Rapid Screening of Lectins for Multivalency Effects with a Glycodendrimer Microarray. Chembiochem 2010; 11:1896-904. [DOI: 10.1002/cbic.201000340] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Nakashima T, Yokoyama A, Inata J, Ishikawa N, Haruta Y, Hattori N, Kohno N. Mucins carrying selectin ligands as predictive biomarkers of disseminated intravascular coagulation complication in ARDS. Chest 2010; 139:296-304. [PMID: 20671055 DOI: 10.1378/chest.09-3082] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND ARDS patients present with intrapulmonary and systemic coagulation abnormalities. We previously demonstrated that circulating KL-6/MUC1 could predict complications of disseminated intravascular coagulation (DIC) in ARDS. Recent studies indicate that circulating mucin can induce intravascular coagulation via interactions with selectin. We, therefore, investigated whether circulating mucins carrying selectin ligands are associated with DIC in ARDS. METHODS We evaluated newly diagnosed patients with ARDS (n = 46) or bacterial pneumonia (n = 17), and healthy control subjects (n = 60). Using serum collected at diagnosis, circulating levels of KL-6/MUC1, KL-6/MUC1 carrying sialyl Lewis(a) (SLAK), KL-6/MUC1 carrying sialyl Lewis(x) (SLXK), and P-selectin glycoprotein ligand-1 (PSGL-1) were measured. RESULTS Serum mucins with selectin ligands were significantly elevated in patients with ARDS compared with healthy control subjects. Significantly elevated levels of SLAK and SLXK were found in patients with ARDS subsequently complicated with DIC, as compared with those without DIC. In contrast, serum PSGL-1 levels were significantly decreased in ARDS patients with DIC. Furthermore, SLAK was discovered to be an independent predictor of DIC complication in ARDS. Using cutoff levels obtained by receiver operating characteristic curves, we found that these mucins can be used to distinguish between patients with ARDS with and without subsequently occurring DIC. Among the analyzed mucins, SLAK has the highest sensitivity and specificity for predicting future DIC development. CONCLUSIONS These results suggest that mucins with selectin ligands are novel markers for ARDS with future complications of DIC, and KL-6/MUC1 carrying selectin ligands may be involved in the pathogenesis of DIC in patients with ARDS.
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Affiliation(s)
- Taku Nakashima
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Akihito Yokoyama
- Department of Hematology and Respiratory Medicine, Kochi University, Kochi, Japan.
| | - Jyunya Inata
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Nobuhisa Ishikawa
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Yoshinori Haruta
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Noboru Hattori
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Nobuoki Kohno
- Department of Molecular and Internal Medicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
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Yin X, Rana K, Ponmudi V, King MR. Knockdown of fucosyltransferase III disrupts the adhesion of circulating cancer cells to E-selectin without affecting hematopoietic cell adhesion. Carbohydr Res 2010; 345:2334-42. [PMID: 20833389 DOI: 10.1016/j.carres.2010.07.028] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2010] [Revised: 06/30/2010] [Accepted: 07/14/2010] [Indexed: 12/24/2022]
Abstract
Adhesive interactions between selectins and their ligands play an essential role during cancer extravasation. Fucosylation of these proteins by fucosyltransferases, or FUTs, is critical for their functions. Using quantitative RT-PCR, we demonstrated that FUT4 and FUT7 are the predominant FUTs expressed in hematopoietic cell line, while FUT3 is heavily expressed by multiple cancer cell lines including the prostate cancer cell line MDA PCa2b. Knockdown of FUT3 expression in MDA PCa2b cells by small interference RNA (siRNA) significantly reduced FUT3 expression. Cell-surface sialyl Lewis antigens were largely abolished. Cell adhesion and cell rolling on the blood vessel wall were simulated by perfusing cancer cells through microtubes coated with recombinant human E-selectin. At physiological levels of wall shear stress, the number of flowing cancer cells recruited to the microtube surface was dramatically reduced by FUT3 knockdown. Higher rolling velocity was also observed, which is consistent with reduced E-selectin binding activity. Interestingly, FUT3 siRNA treatment also significantly reduced the cell growth rate. Combined with the novel siRNA delivery platform recently developed in our laboratory, FUT3 siRNA could be a promising conjunctive therapy aiming at reducing the metastatic virulence of circulating epithelial cancer cells.
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Affiliation(s)
- Xiaoyan Yin
- Department of Biomedical Engineering, Cornell University, 205 Weill Hall, Ithaca, NY 14853, USA
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Royce SG, Lee M, Tang MLK. The contribution of L-selectin to airway hyperresponsiveness in chronic allergic airways disease. J Asthma Allergy 2010; 3:9-17. [PMID: 21437035 PMCID: PMC3047908 DOI: 10.2147/jaa.s9775] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Indexed: 11/23/2022] Open
Abstract
L-selectin is a cell adhesion molecule, which mediates leukocyte rolling on bronchopulmonary endothelium. Previous studies in a murine model of allergic airways disease have shown that L-selectin plays a role in the regulation of airway hyperresponsiveness in asthma via mechanisms independent of inflammation. Airway remodeling has been shown to modulate airway hyperresponsiveness independently of inflammation.
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Affiliation(s)
- Simon G Royce
- Department of Allergy and Immunology, Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria 3052, Australia
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Ishida T. Computational modeling of carbohydrate-recognition process in E-selectin complex: structural mapping of sialyl Lewis X onto ab initio QM/MM free energy surface. J Phys Chem B 2010; 114:3950-64. [PMID: 20078087 DOI: 10.1021/jp905872t] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
To advance our knowledge of carbohydrate recognition by lectins, we propose a systematic computational modeling strategy to identify complex sugar-chain conformations on the reduced free energy surface (FES). We selected the complex of E-selectin with sialyl Lewis X (denoted E-selectin/SLe(x) complex) as a first target molecule. First, we introduced the reduced 2D-FES that characterizes conformational changes in carbohydrate structure as well as the degree of solvation stability of the carbohydrate ligand, and evaluated the overall free energy profile by classical molecular dynamics simulation combined with ab initio QM/MM energy corrections. Second, we mapped flexible carbohydrate structures onto the reduced QM/MM 2D-FES, and identified the details of molecular interactions between each monosaccharide component and the amino acid residues at the carbohydrate-recognition domain. Finally, we confirmed the validity of our modeling strategy by evaluating the chemical shielding tensor by ab initio QM/MM-GIAO computations for several QM/MM-refined geometries sampled from the minimum free energy region in the 2D-FES, and compared this theoretical averaging data with the experimental 1D-NMR profile. The model clearly shows that the binding geometries of the E-selectin/SLe(x) complex are determined not by one single, rigid carbohydrate structure but rather by the sum of averaged conformations fluctuating around the minimum free energy region. For the E-selectin/SLe(x) complex, the major molecular interactions are hydrogen bonds between Fuc and the Ca(2+) binding site in the carbohydrate-recognition domain, and Gal is important in determining the ligand specificity.
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Affiliation(s)
- Toyokazu Ishida
- Research Institute for Computational Sciences, 1-1-1 Umezono, Tsukuba, 305-8568, Japan.
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Jubeli E, Moine L, Barratt G. Synthesis, characterization, and molecular recognition of sugar-functionalized nanoparticles prepared by a combination of ROP, ATRP, and click chemistry. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24105] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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42
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Läubli H, Borsig L. Selectins promote tumor metastasis. Semin Cancer Biol 2010; 20:169-77. [PMID: 20452433 DOI: 10.1016/j.semcancer.2010.04.005] [Citation(s) in RCA: 305] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2010] [Accepted: 04/29/2010] [Indexed: 11/17/2022]
Abstract
Cancer metastasis is facilitated by cell-cell interactions between cancer cells and endothelial cells in distant tissues. In addition, cancer cell interactions with platelets and leukocytes contribute to cancer cell adhesion, extravasation, and the establishment of metastatic lesions. Selectins are carbohydrate-binding molecules that bind to sialylated, fucosylated glycan structures, and are found on endothelial cells, platelets and leukocytes. There are three members of the selectin family: P-selectin expressed on activated platelets and endothelial cells, L-selectin present on leukocytes and E-selectin expressed on activated endothelial cells. Besides the accepted roles of selectins in physiological processes, such as inflammation, immune response and hemostasis, there is accumulating evidence for the potential of selectins to contribute to a number of pathophysiological processes, including cancer metastasis. Cancer cell interactions with selectins are possible due to a frequent presence of carbohydrate determinants--selectin ligands on the cell surface of tumor cells from various type of cancer. The degree of selectin ligand expression by cancer cells is well correlated with metastasis and poor prognosis for cancer patients. Initial adhesion events of cancer cells facilitated by selectins result in activation of integrins, release of chemokines and are possibly associated with the formation of permissive metastatic microenvironment. While E-selectin has been evaluated as one of the initiating adhesion events during metastasis, it is becoming apparent that P-selectin and L-selectin-mediated interactions significantly contribute to this process as well. In this review we discuss the current evidence for selectins as potential facilitators of metastasis.
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Affiliation(s)
- Heinz Läubli
- Institute of Physiology, University of Zürich, Zürich Center for Integrative Human Physiology, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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43
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Deadly allies: the fatal interplay between platelets and metastasizing cancer cells. Blood 2010; 115:3427-36. [PMID: 20194899 DOI: 10.1182/blood-2009-10-247296] [Citation(s) in RCA: 243] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The general notion that functional platelets are important for successful hematogenous tumor metastasis has been inaugurated more than 4 decades ago and has since been corroborated in numerous experimental settings. Thorough preclinical investigations have, at least in part, clarified some specifics regarding the involvement of platelet adhesion receptors, such as thrombin receptors or integrins, in the metastasis cascade. Pivotal preclinical experiments have demonstrated that hematogenous tumor spread was dramatically diminished when platelets were depleted from the circulation or when functions of platelet surface receptors were inhibited pharmacologically or genetically. Such insight has inspired researchers to devise novel antitumoral therapies based on targeting platelet receptors. However, several mechanistic aspects underlying the impact of platelet receptors on tumor metastasis are not fully understood, and agents directed against platelet receptors have not yet found their way into the clinic. In addition, recent results suggesting that targeted inhibition of certain platelet surface receptors may even result in enhanced experimental tumor metastasis have demonstrated vividly that the role of platelets in tumor metastasis is more complex than has been anticipated previously. This review gives a comprehensive overview on the most important platelet receptors and their putative involvement in hematogenous metastasis of malignant tumors.
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Qi L, Cornelis MC, Kraft P, Jensen M, van Dam RM, Sun Q, Girman CJ, Laurie CC, Mirel DB, Hunter DJ, Rimm E, Hu FB. Genetic variants in ABO blood group region, plasma soluble E-selectin levels and risk of type 2 diabetes. Hum Mol Genet 2010; 19:1856-62. [PMID: 20147318 DOI: 10.1093/hmg/ddq057] [Citation(s) in RCA: 136] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Blood soluble E-selectin (sE-selectin) levels have been related to various conditions such as type 2 diabetes. We performed a genome-wide association study among women of European ancestry from the Nurses' Health Study, and identified genome-wide significant associations between a cluster of markers at the ABO locus (9q34) and plasma sE-selectin concentration. The strongest association was with rs651007, which explained approximately 9.71% of the variation in sE-selectin concentrations. SNP rs651007 was also nominally associated with soluble intracellular cell adhesion molecule-1 (sICAM-1) (P = 0.026) and TNF-R2 levels (P = 0.018), independent of sE-selectin. In addition, the genetic-inferred ABO blood group genotypes were associated with sE-selectin concentrations (P = 3.55 x 10(-47)). Moreover, we found that the genetic-inferred blood group B was associated with a decreased risk (OR = 0.44, 0.27-0.70) of type 2 diabetes compared with blood group O, adjusting for sE-selectin, sICAM-1, TNF-R2 and other covariates. Our findings indicate that the genetic variants at ABO locus affect plasma sE-selectin levels and diabetes risk. The genetic associations with diabetes risk were independent of sE-selectin levels.
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Affiliation(s)
- Lu Qi
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA.
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Li X, Radomski A, Corrigan OI, Tajber L, De Sousa Menezes F, Endter S, Medina C, Radomski MW. Platelet compatibility of PLGA, chitosan and PLGA-chitosan nanoparticles. Nanomedicine (Lond) 2010; 4:735-46. [PMID: 19839810 DOI: 10.2217/nnm.09.65] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM The increasing interest in biodegradable nanoparticles containing biomaterials such as poly(D,L-lactide-co-glycolide) (PLGA) and chitosan for drug delivery raises issues regarding the blood compatibility of these nanoparticles, since some nanoparticles, including carbon nanoparticles, can affect human platelet aggregation and cause vascular thrombosis. Therefore, the aim of this work was to investigate the effect of polymeric nanoparticles on human platelet function by measuring aggregation and receptor expression in vitro. MATERIALS & METHOD PLGA, chitosan-PLGA and a series of chitosan nanoparticles were prepared by the single emulsion technique and ionotropic gelation method. The effects of these nanoparticles (0.01-100 microg/ml) on resting platelets, as well as on platelet aggregation and expression of receptors (GPIIb/IIIa and P-selectin) induced by agonists in platelet-rich plasma were examined using light aggregometry and flow cytometry. RESULTS & CONCLUSION All tested nanoparticles at concentrations below 10 microg/ml did not modify platelet aggregation, showing that they may be used for the delivery of active molecules to the bloodstream.
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Affiliation(s)
- Xue Li
- Trinity College Dublin, Dublin 2, Ireland
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Abstract
Liposomes are widely investigated for their applicability as drug delivery systems. However, the unstable liposomal constitution is one of the greatest limitations, because the liposomes undergo fast elimination after application to the human body. In the presented study, novel archeal lipids were used to prepare liposomal formulations which were tested for their stability at elevated temperatures, at different pH-values and after heat sterilization.
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Affiliation(s)
- Aybike Ozcetin
- Department of Pharmaceutical Technology and Biopharmacy, Philipps-Universität Marburg, Marburg, Germany
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47
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Yaraee R, Ghazanfari T, Faghihzadeh S, Mostafaie A, Soroush MR, Inai K, Foroutan A, Shams J, Naghizadeh MM, Hassan ZM. Alterations in the serum levels of soluble L, P and E-selectin 20years after sulfur mustard exposure: Sardasht-Iran Cohort Study. Int Immunopharmacol 2009; 9:1477-81. [DOI: 10.1016/j.intimp.2009.08.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2009] [Revised: 08/28/2009] [Accepted: 08/28/2009] [Indexed: 01/02/2023]
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48
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Xu J, Cai J, Suresh M, Peek SF, Darien BJ. Equine PSGL-1 modifications required for P-selectin binding. Vet Immunol Immunopathol 2009; 131:33-43. [DOI: 10.1016/j.vetimm.2009.03.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Revised: 02/27/2009] [Accepted: 03/06/2009] [Indexed: 01/06/2023]
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49
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Chang YJ, Zhao XY, Huo MR, Huang XJ. Expression of CD62L on Donor CD4+ T Cells in Allografts: Correlation with Graft-Versus-Host Disease after Unmanipulated Allogeneic Blood and Marrow Transplantation. J Clin Immunol 2009; 29:696-704. [PMID: 19462221 DOI: 10.1007/s10875-009-9293-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2009] [Accepted: 04/13/2009] [Indexed: 12/19/2022]
Affiliation(s)
- Ying-Jun Chang
- Peking University Institute of Hematology, Peking University People's hospital, Beijing 100044, China
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50
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Paschos KA, Canovas D, Bird NC. The role of cell adhesion molecules in the progression of colorectal cancer and the development of liver metastasis. Cell Signal 2009; 21:665-74. [DOI: 10.1016/j.cellsig.2009.01.006] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2008] [Accepted: 01/02/2009] [Indexed: 11/26/2022]
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