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Li J, Yang Y, Wan D, Peng Y, Zhang J. A novel phenolic propanediamine moiety-based lung-targeting therapy for asthma. Drug Deliv 2018; 25:1117-1126. [PMID: 29781332 PMCID: PMC6058525 DOI: 10.1080/10717544.2018.1472675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Asthma is one of the most prevalent chronic inflammatory diseases of lung. Current asthma therapy using inhaled corticosteroid often results in undesired treatment outcome due to poor compliance and drugs’ lack of tissue specificity. N,N,N’-trimethyl-N’-(2-hydroxyl-3-methyl-5-123Iiodobenzyl)-1,3-propanediamine (HIPD), a phenolic propanediamine derivative, has been used as an imaging agent for localized pulmonary diseases. Inspired by this, N,N,N’-trimethyl-N’-(4-hydroxyl-benzyl)-1,3-propanediamine (TPD), a new HIPD analog, was proposed as a lung-targeting ligand and covalently conjugated to an anti-inflammatory compound Rhein for asthma therapy. Cellular uptake efficiency of TPD-Rhein by A549 cells was significantly enhanced compared with Rhein. The enhanced cellular uptake was mainly mediated by organic cation transporters (OCTs) in an active manner, showing concentration- and energy-dependent. After systemic administration in rats, TPD-Rhein specifically distributed to lungs, displaying the highest Cmax and AUC0−t values of all tested tissues and resulting in a 13-fold increase in Cmax and a 103-fold increase in AUC0−t for lung compared with Rhein. Also, TPD-Rhein remarkably decreased serum histamine levels, serum IL-5 levels as well as bronchoalveolar lavage fluid IL-5 levels in lungs of asthmatic rats challenged by ovalbumin (OVA). Accordingly, histological examinations demonstrated that TPD-Rhein attenuated lung inflammation in rats, with no apparent toxicity against major organs. Together, phenolic propanediamine-based lung-targeting approach represents an efficient and safe strategy for asthma therapy.
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Affiliation(s)
- Jianbo Li
- a Institute of Medical and Pharmaceutical Sciences , Zhengzhou University , Zhengzhou , PR China
| | - Yang Yang
- a Institute of Medical and Pharmaceutical Sciences , Zhengzhou University , Zhengzhou , PR China
| | - Didi Wan
- a Institute of Medical and Pharmaceutical Sciences , Zhengzhou University , Zhengzhou , PR China
| | - Youmei Peng
- a Institute of Medical and Pharmaceutical Sciences , Zhengzhou University , Zhengzhou , PR China
| | - Jinjie Zhang
- b School of Pharmaceutical Sciences , Zhengzhou University , Zhengzhou , PR China.,c Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases , Zhengzhou , PR China.,d Collaborative Innovation Center of New Drug Research and Safety Evaluation , Zhengzhou , PR China
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Li J, Zhang J, Fu Y, Sun X, Gong T, Jiang J, Zhang Z. Dual pancreas- and lung-targeting therapy for local and systemic complications of acute pancreatitis mediated by a phenolic propanediamine moiety. J Control Release 2015; 212:19-29. [PMID: 26071629 DOI: 10.1016/j.jconrel.2015.06.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 06/04/2015] [Accepted: 06/09/2015] [Indexed: 12/29/2022]
Abstract
To inhibit both the local and systemic complications with acute pancreatitis, an effective therapy requires a drug delivery system that can efficiently overcome the blood-pancreas barrier while achieving lung-specific accumulation. Here, we report the first dual pancreas- and lung-targeting therapeutic strategy mediated by a phenolic propanediamine moiety for the treatment of acute pancreatitis. Using the proposed dual-targeting ligand, an anti-inflammatory compound Rhein has been tailored to preferentially accumulate in the pancreas and lungs with rapid distribution kinetics, excellent tissue-penetrating properties and minimum toxicity. Accordingly, the drug-ligand conjugate remarkably downregulated the proinflammatory cytokines in the target organs thus effectively inhibiting local pancreatic and systemic inflammation in rats. The dual-specific targeting therapeutic strategy may help pave the way for targeted drug delivery to treat complicated inflammatory diseases.
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Affiliation(s)
- Jianbo Li
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Jinjie Zhang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Yao Fu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Xun Sun
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Tao Gong
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Jinghui Jiang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China
| | - Zhirong Zhang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, Sichuan University, No. 17, Section 3, Southern Renmin Road, Chengdu 610041, People's Republic of China.
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Liu X, Jin L, Upham JW, Roberts MS. The development of models for the evaluation of pulmonary drug disposition. Expert Opin Drug Metab Toxicol 2013; 9:487-505. [DOI: 10.1517/17425255.2013.754009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Zheng N, Tsai HN, Zhang X, Rosania GR. The subcellular distribution of small molecules: from pharmacokinetics to synthetic biology. Mol Pharm 2011; 8:1619-28. [PMID: 21805990 DOI: 10.1021/mp200092v] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The systemic pharmacokinetics and pharmacodynamics of small molecules are determined by subcellular transport phenomena. Although approaches used to study the subcellular distribution of small molecules have gradually evolved over the past several decades, experimental analysis and prediction of cellular pharmacokinetics remains a challenge. In this review, we survey the progress of subcellular distribution research since the 1960s, with a focus on the advantages, disadvantages and limitations of the various experimental techniques. Critical review of the existing body of knowledge points to many opportunities to advance the rational design of organelle-targeted chemical agents. These opportunities include (1) development of quantitative, non-fluorescence-based, whole cell methods and techniques to measure the subcellular distribution of chemical agents in multiple compartments; (2) exploratory experimentation with nonspecific transport probes that have not been enriched with putative, organelle-targeting features; (3) elaboration of hypothesis-driven, mechanistic and modeling-based approaches to guide experiments aimed at elucidating subcellular distribution and transport; and (4) introduction of revolutionary conceptual approaches borrowed from the field of synthetic biology combined with cutting edge experimental strategies. In our laboratory, state-of-the-art subcellular transport studies are now being aimed at understanding the formation of new intracellular membrane structures in response to drug therapy, exploring the function of drug-membrane complexes as intracellular drug depots, and synthesizing new organelles with extraordinary physical and chemical properties.
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Affiliation(s)
- Nan Zheng
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
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Dupuis J, Harel F, Fu Y, Nguyen QT, Letourneau M, Préfontaine A, Fournier A. Molecular imaging of monocrotaline-induced pulmonary vascular disease with radiolabeled linear adrenomedullin. J Nucl Med 2009; 50:1110-5. [PMID: 19525474 DOI: 10.2967/jnumed.108.059428] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED No test currently exists for molecular imaging of pulmonary arterial hypertension (PAH). Adrenomedullin is a vasodilator peptide predominantly cleared by pulmonary endothelial receptors. We developed a linear adrenomedullin derivative radiolabeled with (99m)Tc ((99m)Tc-AM-L) for imaging of pulmonary circulation and tested its capacity to detect anomalies of pulmonary circulation caused by PAH. METHODS PAH was induced by monocrotaline in rats and compared with controls. After 5 wk, (99m)Tc-AM-L was injected intravenously. Plasma kinetics were measured, lung activity was determined in vivo after 30 min using a nuclear camera, and lung activity was determined ex vivo in explanted lungs. Expression of adrenomedullin receptors was measured in lung homogenates. RESULTS The plasma levels of (99m)Tc-AM-L significantly increased in PAH by approximately 2-fold. Uptake by the lungs was homogeneous but greatly reduced in PAH by about 70%. In vivo retention was 14% +/- 1% (mean +/- SD) of the injected dose in controls and 4% +/- 1% in PAH (P < 0.0001). A similar reduction was measured ex vivo (6.0 +/- 1.6 percentage injected dose per gram [%ID/g] vs. 0.95 +/- 0.21 %ID/g, P < 0.0001). The expression of the heterodimeric component of the adrenomedullin receptor, receptor activity modifying protein 2, was also greatly reduced in PAH lungs (P < 0.001). Interestingly, right ventricular uptake of (99m)Tc-AM-L was increased by PAH (P = 0.02) and correlated with the degree of right ventricular hypertrophy (r = 0.83, P = 0.001). CONCLUSION Pulmonary uptake of (99m)Tc-AM-L is greatly reduced in monocrotaline-induced PAH. This novel molecular imaging agent may be useful in the diagnosis and follow-up of pulmonary vascular disorders.
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Affiliation(s)
- Jocelyn Dupuis
- Research Center, Montreal Heart Institute, University of Montreal, Quebec, Canada.
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Takano A, Ito H, Sudo Y, Inoue M, Ichimiya T, Yasuno F, Suzuki K, Suhara T. Effects of smoking on the lung accumulation of [11C]McN5652. Ann Nucl Med 2007; 21:349-54. [PMID: 17705015 DOI: 10.1007/s12149-007-0031-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2007] [Accepted: 03/23/2007] [Indexed: 10/22/2022]
Abstract
OBJECTIVE The lung is one of the key organs for determining the distribution of drugs in the human body. Various factors influence the accumulation of drugs. In this study, we investigated the effects of smoking on drug distribution to the lung using radiolabeled drugs. METHODS We measured the lung uptake of [11C](+)McN5652, a radioligand for serotonin transporter (5-HTT), and inactive enantiomer [11C](-)McN5652 in 19 healthy men (12 nonsmokers and 7 smokers) using positron emission tomography. Pretreatment study was performed by the administration of clomipramine (50 mg), a potent 5-HTT inhibitor. RESULTS The mean lung uptake of [11C](+)McN5652 and [11C](-)McN5652 was significantly higher in smokers than in nonsmokers. The lung uptake of [11C](+)McN5652 decreased after pretreatment with clomipramine, whereas that of [11C](-)McN5652 was not affected by clomipramine. CONCLUSIONS Lung uptake of [11C](-)McN5652 was influenced by smoking, possibly because the probable nonspecific binding accumulation was changed as [11C](-)McN5652 was reported to have negligible affinity to 5-HTT. Smoking might be one of the important factors when distribution of radioligands is considered.
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Affiliation(s)
- Akihiro Takano
- Clinical Neuroimaging Section, Department of Molecular Neuroimaging, Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Chiba 263-8555, Japan
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Moscato S, Pratesi F, Sabbatini A, Chimenti D, Scavuzzo M, Passatino R, Bombardieri S, Giallongo A, Migliorini P. Surface expression of a glycolytic enzyme, alpha-enolase, recognized by autoantibodies in connective tissue disorders. Eur J Immunol 2000; 30:3575-84. [PMID: 11169399 DOI: 10.1002/1521-4141(200012)30:12<3575::aid-immu3575>3.0.co;2-#] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In systemic autoimmune diseases, autoantibodies specific for alpha-enolase are detected more frequently in patients with active renal involvement. To analyze the properties of anti-alpha-enolase antibodies and the distribution of the enzyme in the cell, mouse monoclonal and polyclonal antibodies were obtained from mice immunized with a glutathione-S-transferase-alpha-enolase fusion protein. Anti-alpha-enolase antibodies were purified from patient sera on enolase from human kidney. Using these antibodies, the distribution of alpha-enolase in the cell was analyzed in subcellular fractions and in the cell membrane by flow cytometry and immunoprecipitation. Plasminogen binding was studied by an immunoenzymatic assay. We observed that alpha-enolase was present in the cytosol and membrane fractions obtained from kidney and U937 cells. By flow cytometry, mouse polyclonal anti-enolase antibodies, one monoclonal and 7/9 human anti-enolase antibodies bound the membrane of U937 cells. One monoclonal antibody and mouse polyclonal anti-enolase antibodies immunoprecipitated a 48-kDa molecule from surface-labeled U937 cells and this molecule was recognized by rabbit anti-enolase antibodies. Both immunization-induced antibodies and 7/9 autoantibodies from patient sera inhibited the binding of plasminogen to alpha-enolase. The results show that alpha-enolase, an autoantigen in connective tissue diseases, is a cytoplasmic enzyme which is also expressed on the cell membrane, with which it is strongly associated. Anti-alpha-enolase autoantibodies isolated from patient sera recognize the membrane-associated form of the enzyme and/or interfere with its receptor function, thus inhibiting the binding of plasminogen. Autoantibodies specific for alpha-enolase could play a pathogenic role, either by a cytopathic effect or by interfering with membrane fibrinolytic activity.
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Affiliation(s)
- S Moscato
- Clinical Immunology Unit, Department of Internal Medicine, University of Pisa, Pisa, Italy
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Zheng D, Upton RN, Martinez A. Skeletal muscle kinetics of propofol in anaesthetized sheep: effect of altered muscle blood flow. Xenobiotica 2000; 30:1079-90. [PMID: 11197069 DOI: 10.1080/00498250010006582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
1. The kinetics of propofol were studied in vivo in a skeletal muscle bed of the hindlimb of the anaesthetized sheep at normal and low rates of blood flow. 2. Propofol kinetics in muscle were determined during and after a 20-min i.v. infusion of propofol (10 mg min-1) via paired arteriofemoral venous blood sampling. One-and-a-half hours later, the study was repeated but with a concurrent left femoral artery infusion of adrenaline (0.004 mg min-1) to lower the muscle blood flow by vasoconstriction. 3. Muscle blood flow in the low flow state was 28% of that in the normal state. The kinetics were poorly described by a single flow-limited compartment model, but were better described by a model with a flow-limited component and a deeper distribution component. There were no significant differences in muscle retention of propofol between normal and low flow states. 4. There was an apparent arteriovenous shunt of approximately 24% of total muscle blood flow for the low flow state, but not for the normal blood flow state.
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Affiliation(s)
- D Zheng
- University of Adelaide/Royal Adelaide Hospital, North Terrace, Adelaide, SA 5005, Australia.
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Audi SH, Roerig DL, Ahlf SB, Lin W, Dawson CA. Pulmonary inflammation alters the lung disposition of lipophilic amine indicators. J Appl Physiol (1985) 1999; 87:1831-42. [PMID: 10562628 DOI: 10.1152/jappl.1999.87.5.1831] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Many lipophilic amine compounds are rapidly extracted from the blood on passage through the pulmonary circulation. The extent of their extraction in normal lungs depends on their physical-chemical properties, which affect their degree of ionization, lipophilicity, and propensity for interacting with blood and tissue constituents. The hypothesis of the present study was that changes in the tissue composition that occur during pulmonary inflammation would have a differential effect on the pulmonary extraction of lipophilic amines having different properties. If so, measurement of the extraction patterns for a group of lipophilic amines, having different physical-chemical properties, might provide a means for detecting and identifying lung tissue abnormalities. To evaluate this hypothesis, we measured the pulmonary extraction patterns for four lipophilic amines, [(14)C]diazepam, [(3)H]alfentanil, [(14)C]lidocaine, and [(14)C]codeine, along with two hydrophilic compounds, (3)HOH and [(14)C]phenylethylamine, after the bolus injection of these indicators into the pulmonary artery of isolated lungs from normal rabbits and from rabbits with pulmonary inflammation induced by an intravenous injection of complete Freund's adjuvant. The pulmonary extraction patterns, parameterized using a previously developed mathematical model, were, in fact, differentially altered by the inflammatory response. For example, the tissue sequestration rate, k(seq) (ml/s), per unit (3)HOH accessible extravascular lung water volume significantly increased for diazepam and lidocaine, but not for codeine and alfentanil. The results are consistent with the above hypothesis and suggest the potential for using lipophilic amines as indicators for detection and quantification of changes in lung tissue composition associated with lung injury and disease.
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Affiliation(s)
- S H Audi
- Biomedical Engineering Department, Marquette University, Milwaukee 53201-1881, Medical College of Wisconsin, Milwaukee 53201-1881, USA.
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Roerig DL, Audi SH, Linehan JH, Krenz GS, Ahlf SB, Lin W, Dawson CA. Detection of changes in lung tissue properties with multiple-indicator dilution. J Appl Physiol (1985) 1999; 86:1866-80. [PMID: 10368351 DOI: 10.1152/jappl.1999.86.6.1866] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We evaluated the potential utility of a group of indicators, each of which targets a particular tissue property, as indicators in the multiple-indicator dilution method to detect and to identify abnormalities in lung tissue properties resulting from lung injury models. We measured the pulmonary venous outflow concentration vs. time curves of [14C]diazepam, 3HOH, [14C]phenylethylamine, and a vascular reference indicator following their bolus injection into the pulmonary artery of isolated perfused rabbit lungs under different experimental conditions, resulting in changes in the lung tissue composition. The conditions included granulomatous inflammation, induced by the intravenous injection of complete Freund's adjuvant (CFA), and intratracheal fluid instillation, each of which resulted in similar increases in lung wet weight. Each of these conditions resulted in a unique pattern among the concentration vs. time outflow curves of the indicators studied. The patterns were quantified by using mathematical models describing the pulmonary disposition of each of the indicators studied. A unique model parameter vector was obtained for each condition, demonstrating the ability to detect and to identify changes in lung tissue properties by using the appropriate group of indicators in the multiple-indicator dilution method. One change that was particularly interesting was a CFA-induced change in the disposition of diazepam, suggestive of a substantial increase in peripheral-type benzodiazepine receptors in the inflamed lungs.
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Affiliation(s)
- D L Roerig
- Department of Anesthesiology and Pharmacology/Toxicology, Medical College of Wisconsin, Milwaukee 53226, USA
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Abstract
1. The pharmacokinetic role of the lungs has been extensively studied using in vitro preparations, but this information has not been well integrated into many systemic pharmacokinetic models. 2. The lung is characterized by short diffusion distances, extremely high relative perfusion and heterogeneous cell types. Anionic and neutral lipophilic drugs have relatively small distribution volumes in the lungs due to their low lipid content. Cationic lipophilic drugs can accumulate in the lungs, probably due to trapping in mitochondria and lysosomes, forming very slowly eluting pools. 3. Drug metabolism in the lungs is possible, but not universal. The lung, generally, has a low activity for many of the metabolic enzymes found in the liver, although this activity is relatively more inducible. The resultant drug extraction would be 'enzyme limited', variable and flow dependent. 4. Double indicator studies of first-pass lung kinetics can characterize short-term distribution in the lungs, but not longer-term distribution or metabolism; the converse applies for studies of drug concentration gradients across the lungs. No single study or model has adequately defined the short- and long-term kinetics of drugs in the lungs. 5. Drug clearance in the lungs can contribute to an apparent total body clearance in excess of hepatic blood flow and cardiac output. The lung is a first pass filter for any drug administered on the venous side of the circulation and can act as a 'capacitor' that damps the first-pass concentration peak in the blood after intravenous bolus injection.
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Affiliation(s)
- R N Upton
- Department of Anaesthesia and Intensive Care, Royal Adelaide Hospital, University of Adelaide, Australia.
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