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Gobejishvili L, Rodriguez WE, Bauer P, Wang Y, Soni C, Lydic T, Barve S, McClain C, Maldonado C. Novel Liposomal Rolipram Formulation for Clinical Application to Reduce Emesis. Drug Des Devel Ther 2022; 16:1301-1309. [PMID: 35535222 PMCID: PMC9078351 DOI: 10.2147/dddt.s355796] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/20/2022] [Indexed: 01/17/2023] Open
Abstract
Introduction The phosphodiesterase 4 (PDE4) inhibitor, rolipram, has beneficial effects on tissue inflammation, injury and fibrosis, including in the liver. Since rolipram elicits significant CNS side-effects in humans (ie, nausea and emesis), our group developed a fusogenic lipid vesicle (FLV) drug delivery system that targets the liver to avoid adverse events. We evaluated whether this novel liposomal rolipram formulation reduces emesis. Methods C57Bl/6J male mice were used to compare the effect of three doses of free and FLV-delivered (FLVs-Rol) rolipram in a behavioral correlate model of rolipram-induced emesis. Tissue rolipram and rolipram metabolite levels were measured using LC-MS/MS. The effect of FLVs-Rol on brain and liver PDE4 activities was evaluated. Results Low and moderate doses of free rolipram significantly reduced anesthesia duration, while the same doses of FLVs-Rol had no effect. However, the onset and duration of adverse effects (shortening of anesthesia period) elicited by a high dose of rolipram was not ameliorated by FLVs-Rol. Post-mortem analysis of brain and liver tissues demonstrated that FLVs affected the rate of rolipram uptake by liver and brain. Lastly, administration of a moderate dose of FLVs-Rol attenuated endotoxin induced PDE4 activity in the liver with negligible effect on the brain. Discussion The findings that the low and moderate doses of FLVs-Rol did not shorten the anesthesia duration time suggest that FLV delivery prevented critical levels of drug from crossing the blood-brain barrier (BBB) to elicit CNS side-effects. However, the inability of high dose FLVs-Rol to prevent CNS side-effects indicates that there was sufficient unencapsulated rolipram to cross the BBB and shorten anesthesia duration. Notably, a moderate dose of FLVs-Rol was able to decrease PDE4 activity in the liver without affecting the brain. Taken together, FLVs-Rol has a strong potential for clinical application for the treatment of liver disease without side effects.
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Affiliation(s)
- Leila Gobejishvili
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, USA,Leila Gobejishvili, Department of Medicine, School of Medicine, University of Louisville, 505 S. Hancock Street, CTR 516, Louisville, KY, 40202, USA, Tel +1 (502) 852-0361, Fax +1 (502) 852-8927, Email
| | - Walter E Rodriguez
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, USA
| | | | - Yali Wang
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, USA
| | | | - Todd Lydic
- Lipidomics Center, Michigan State University, East Lansing, MI, USA
| | - Shirish Barve
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, USA
| | - Craig McClain
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, USA
| | - Claudio Maldonado
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, USA,Correspondence: Claudio Maldonado, Department of Physiology, School of Medicine, University of Louisville, 500 S. Preston Street, HSC A-1115, Louisville, KY, 40292, USA, Tel +1 (502) 852-1078, Email
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Qu H, Zhang K, Fu C, Qiu F. Simultaneous quantification and pharmacokinetic evaluation of roflumilast and its N-oxide in cynomolgus monkey plasma by LC-MS/MS method. Biomed Chromatogr 2020; 35:e4973. [PMID: 32840886 DOI: 10.1002/bmc.4973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 08/16/2020] [Accepted: 08/21/2020] [Indexed: 11/09/2022]
Abstract
Roflumilast (ROF), a nonsteroidal anti-inflammatory drug, has successfully been used to treat systemic and pulmonary inflammation associated with chronic obstructive pulmonary disease. To evaluate its pharmacokinetics in monkeys, a sensitive, rapid and reliable liquid chromatography with tandem mass spectrometry (LC-MS/MS) method was developed for the simultaneous determination of ROF and its N-oxide metabolite (RNO). The mobile phase contained 0.1% formic acid aqueous solution (A) and 0.1% formic acid acetonitrile solution (B). All monkey plasma samples were pretreated using protein precipitation with methanol-acetonitrile (50:50, v/v) in 50 μl plasma samples. Chromatographic separation was performed with mass spectral acquisition performed in positive electrospray ionization, utilizing multiple reaction monitoring. This method was successfully applied to a pharmacokinetic study in cynomolgus monkeys. Following administration of a single oral dose of 1 mg/kg ROF in monkeys, pharmacokinetic data for ROF and RNO was reported for the first time. After oral administration, ROF was rapidly absorbed and metabolized to its metabolite RNO. The mean area under the curve value of RNO was ~13 times larger than that of ROF, suggesting that most ROF was metabolized to RNO in cynomolgus monkeys.
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Affiliation(s)
- Haijun Qu
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Keyu Zhang
- Beijing Key Lab of TCM Collateral Disease Theory Research, School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Chunqing Fu
- Beijing Key Lab of TCM Collateral Disease Theory Research, School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Feng Qiu
- Beijing Key Lab of TCM Collateral Disease Theory Research, School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
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Mazzarino M, Cesarei L, de la Torre X, Fiacco I, Robach P, Botrè F. A multi-targeted liquid chromatography–mass spectrometry screening procedure for the detection in human urine of drugs non-prohibited in sport commonly used by the athletes. J Pharm Biomed Anal 2016; 117:47-60. [DOI: 10.1016/j.jpba.2015.08.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 08/03/2015] [Accepted: 08/07/2015] [Indexed: 01/01/2023]
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Thevis M, Kuuranne T, Geyer H, Schänzer W. Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test Anal 2013; 6:164-84. [DOI: 10.1002/dta.1591] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 11/06/2013] [Indexed: 12/20/2022]
Affiliation(s)
- Mario Thevis
- Center for Preventive Doping Research - Institute of Biochemistry; German Sport University Cologne; Am Sportpark Müngersdorf 6 50933 Cologne Germany
- European Monitoring Center for Emerging Doping Agents; Cologne Germany
| | - Tiia Kuuranne
- Doping Control Laboratory; United Medix Laboratories; Höyläämötie 14 00380 Helsinki Finland
| | - Hans Geyer
- Center for Preventive Doping Research - Institute of Biochemistry; German Sport University Cologne; Am Sportpark Müngersdorf 6 50933 Cologne Germany
| | - Wilhelm Schänzer
- Center for Preventive Doping Research - Institute of Biochemistry; German Sport University Cologne; Am Sportpark Müngersdorf 6 50933 Cologne Germany
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Liu LQ, Fan ZQ, Tang YF, Ke ZJ. The resveratrol attenuates ethanol-induced hepatocyte apoptosis via inhibiting ER-related caspase-12 activation and PDE activity in vitro. Alcohol Clin Exp Res 2013; 38:683-93. [PMID: 24224909 DOI: 10.1111/acer.12311] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 09/16/2013] [Indexed: 12/11/2022]
Abstract
BACKGROUND Endoplasmic reticulum (ER) stress plays a key role in cell apoptosis pathways. Caspase-12, a proapoptotic gene induced by ER stress, is also the key molecule in ER-related apoptosis. The purpose of this study is to evaluate the protective activity and possible mechanism of resveratrol (ResV) against ethanol (EtOH)-induced apoptosis in human hepatocyte Chang cell line. METHODS The human hepatocyte Chang cell line was used to test the hypothesis that ResV may alleviate the liver cell apoptosis induced by EtOH. ER stress-inducible proteins and silent mating type information regulation 2 homolog 1 (SIRT1) were assayed by Western blot. Cell viability was studied by MTT assay and apoptosis was measured by Annexin-V and propidium iodide assay. Caspase-12 activation was examined by immunofluorescence staining. Alcohol dehydrogenase-2 (ADH-2) and aldehyde dehydrogenase-2 (ALDH-2) were measured by polymerase chain reaction amplified product length polymorphism. Phosphodiesterase (PDE) activity was assayed in cell lysates using a cyclic nucleotide PDE assay. RESULTS EtOH exposure significantly increased the expression of ER stress markers and activated signaling pathways associated with ER stress. These include GRP78, p-IRE1α, p-eIF2α, p-PERK, ATF4 as well as cleaved caspase-3/12, CHOP/GADD153, and Bax in human hepatocyte Chang cell line. The expression of these proteins were significantly down-regulated by ResV (10 μM) in a SIRT1-dependent manner. ResV can inhibit EtOH-, tunicamycin-, thapsigargin-induced caspase-12 activation. ADH-2 and ALDH-2 activities are lower in this cell line. PDE activity increased by EtOH was inhibited by ResV (10 μM). CONCLUSIONS The results indicate that (i) EtOH-induced activation of caspase-12 could be one of the underlying mechanisms of hepatocyte apoptosis; (ii) EtOH-induced cell apoptosis was alleviated via ResV (10 μM) by inhibiting ER stress and caspase-12 activation in a SIRT1-dependent manner; and (iii) SIRT1 activated indirectly by ResV (10 μM) attenuates EtOH-induced hepatocyte apoptosis partly through inhibiting PDE activity.
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Affiliation(s)
- L Q Liu
- Key Laboratory of Nutrition and Metabolism, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
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