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Majka Z, Zapala B, Krawczyk A, Czamara K, Mazurkiewicz J, Stanek E, Czyzynska-Cichon I, Kepczynski M, Salamon D, Gosiewski T, Kaczor A. Direct oral and fiber-derived butyrate supplementation as an anti-obesity treatment via different targets. Clin Nutr 2024; 43:869-880. [PMID: 38367596 DOI: 10.1016/j.clnu.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/15/2024] [Accepted: 02/09/2024] [Indexed: 02/19/2024]
Abstract
BACKGROUND & AIMS Butyric (one of the short-chain fatty acids), a major byproduct of the fermentation of non-digestible carbohydrates (e.g. fiber), is supposed to have anti-obesity and anti-inflammatory properties. However, butyrate's potential and mechanism in preventing obesity and the efficient form of administration remain to be clarified. METHODS Hence, we studied the effect of oral supplementation with 5% (w/w) sodium butyrate and 4% (w/w) β-glucan (fiber) on young male mice (C57BL/6J) with high-fat diet-induced obesity (HFD: 60 kcal% of fat + 1% of cholesterol). Six weeks old mice were fed diets based on HFD or control (AIN-93G) diet with/without supplements for 4 weeks. The unique, interdisciplinary approach combining several Raman-based techniques (including Raman microscopy and fiber optic Raman spectroscopy) and next-generation sequencing was used to ex vivo analyze various depots of the adipose tissue (white, brown, perivascular) and gut microbiome, respectively. RESULTS The findings demonstrate that sodium butyrate more effectively prevent the pathological increase in body weight caused by elevated saturated fatty acids influx linked to a HFD in comparison to β-glucan, thereby entirely inhibiting diet-induced obesity. Moreover, butyrate significantly affects the white adipose tissue (WAT) reducing the epididymal WAT mass in comparison to HFD without supplements, and decreasing lipid saturation in the epididymal WAT and perivascular adipose tissue of the thoracic aorta. Contrarily, β-glucan significantly changes the composition and diversity of the gut microbiome, reversing the HFD effect, but shows no effect on the epididymal WAT mass and therefore the weight gain inhibition is not as effective as with sodium butyrate. CONCLUSIONS Here, oral supplementation with sodium butyrate and β-glucan (fiber) has been proven to have an anti-obesity effect through two different targets. Administration-dependent effects that butyrate imposes on the adipose tissue (oral administration) and microbiome (fiber-derived) make it a promising candidate for the personalized treatment of obesity.
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Affiliation(s)
- Zuzanna Majka
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland; Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland
| | - Barbara Zapala
- Department of Clinical Biochemistry, Jagiellonian University Medical College, 8 Skawinska Str., Krakow 31-066, Poland
| | - Agnieszka Krawczyk
- Department of Molecular Medical Microbiology, Faculty of Medicine, Jagiellonian University Medical College, 18 Czysta Str., Krakow 31-121, Poland
| | - Krzysztof Czamara
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland
| | - Joanna Mazurkiewicz
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland
| | - Ewa Stanek
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland
| | - Izabela Czyzynska-Cichon
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland
| | - Mariusz Kepczynski
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland
| | - Dominika Salamon
- Department of Molecular Medical Microbiology, Faculty of Medicine, Jagiellonian University Medical College, 18 Czysta Str., Krakow 31-121, Poland
| | - Tomasz Gosiewski
- Department of Molecular Medical Microbiology, Faculty of Medicine, Jagiellonian University Medical College, 18 Czysta Str., Krakow 31-121, Poland.
| | - Agnieszka Kaczor
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland; Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland.
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Majka Z, Kwiecień K, Kaczor A. Vibrational Optical Activity of Amyloid Fibrils. Chempluschem 2024:e202400091. [PMID: 38421108 DOI: 10.1002/cplu.202400091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/02/2024]
Abstract
Amyloid fibrils are supramolecular systems showing distinct chirality at different levels of their complex multilayered architectures. Due to the regular long-range chiral organization, amyloid fibrils exhibit the most intense Vibrational Optical Activity (VOA) signal observed up to now, making VOA techniques: Vibrational Circular Dichroism (VCD) and Raman Optical Activity (ROA) very promising tools to explore their structures, handedness and intricate polymorphism. This concept article reviews up-to-date experimental studies on VOA applications to investigate amyloid fibrils highlighting its future potential in analyzing of these unique supramolecular systems, in particular in the context of biomedicine and nanotechnology.
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Affiliation(s)
- Zuzanna Majka
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
| | - Karolina Kwiecień
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
- Jagiellonian University, Doctoral School of Exact and Natural Sciences, Prof. St. Łojasiewicza 11 Str., Krakow, Poland
- Łukasiewicz Research Network-Institute of Microelectronics and Photonics, 39 Zabłocie Str., 30-701, Krakow, Poland
| | - Agnieszka Kaczor
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
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Czamara K, Majka Z, Stanek E, Hachlica N, Kaczor A. Raman studies of the adipose tissue: Current state-of-art and future perspectives in diagnostics. Prog Lipid Res 2022; 87:101183. [PMID: 35961483 DOI: 10.1016/j.plipres.2022.101183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 10/15/2022]
Abstract
The last decades revealed that the adipose tissue shows an unexplored therapeutic potential. In particular, targeting the perivascular adipose tissue (PVAT), that surrounds blood vessels, can prevent cardiovascular pathologies and browning of the adipose tissue can become an effective strategy against obesity. Therefore, new analytical tools are necessary to analyze this tissue. This review reports on the recent developments of various Raman-based techniques for the identification and quantification of the adipose tissue compared to conventional analytical methods. In particular, the emphasis is on analysis of PVAT, investigation of pathological changes of the adipose tissue in model systems and possibilities for its characterization in the clinical context. Overall, the review critically discusses the potential and limitations of Raman techniques in adipose tissue-targeted diagnostics and possible future anti-obesity therapies.
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Affiliation(s)
- Krzysztof Czamara
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland.
| | - Zuzanna Majka
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Ewa Stanek
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Natalia Hachlica
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland; Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
| | - Agnieszka Kaczor
- Jagiellonian Centre of Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland; Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland.
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Majka Z, Czamara K, Janus J, Kępczyński M, Kaczor A. Prominent hypertrophy of perivascular adipocytes due to short-term high fat diet. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166315. [PMID: 34875367 DOI: 10.1016/j.bbadis.2021.166315] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/10/2021] [Accepted: 11/23/2021] [Indexed: 12/26/2022]
Abstract
Excessive lipid accumulation is a serious problem in obesity leading to adipose tissue (AT) overgrowth, chronic inflammation, endothelial dysfunction, and elevated risk of cardiovascular complications. In this work, Raman techniques coupled with fluorescence imaging were applied to characterize the effects of short-term (2 weeks) and extended (up to 8 weeks) high-fat diet (HFD) feeding on various depots of the adipose tissue of young and mature mice. Our results proved the synergistic effect of age and HFD-induced obesity manifested by changes in the morphology of adipocytes and the chemical composition of lipids. After 2 weeks of HFD feeding of young animals, substantial hypertrophy of adipocytes but only for the periaortic adipose tissue was detected with a significant decrease in lipid unsaturation degree solely in the epididymal white adipose tissue. The periaortic AT did not altered chemically due to short-term HFD feeding, however, it changed with age and with prolonged exposure to harmful factors. For older animals only brown AT remains resistant on HFD underlying its protective role and highlighting its potential as a target in obesity therapies.
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Affiliation(s)
- Zuzanna Majka
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Krzysztof Czamara
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Joanna Janus
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
| | - Mariusz Kępczyński
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
| | - Agnieszka Kaczor
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland; Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland.
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Proniewski B, Bar A, Kieronska-Rudek A, Suraj-Prażmowska J, Buczek E, Czamara K, Majka Z, Czyzynska-Cichon I, Kwiatkowski G, Matyjaszczyk-Gwarda K, Chlopicki S. Systemic Administration of Insulin Receptor Antagonist Results in Endothelial and Perivascular Adipose Tissue Dysfunction in Mice. Cells 2021; 10:cells10061448. [PMID: 34207844 PMCID: PMC8230211 DOI: 10.3390/cells10061448] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 01/07/2023] Open
Abstract
Hyperglycemia linked to diabetes results in endothelial dysfunction. In the present work, we comprehensively characterized effects of short-term hyperglycemia induced by administration of an insulin receptor antagonist, the S961 peptide, on endothelium and perivascular adipose tissue (PVAT) in mice. Endothelial function of the thoracic and abdominal aorta in 12-week-old male C57Bl/6Jrj mice treated for two weeks with S961 infusion via osmotic pumps was assessed in vivo using magnetic resonance imaging and ex vivo by detection of nitric oxide (NO) production using electron paramagnetic resonance spectroscopy. Additional methods were used to analyze PVAT, aortic segments and endothelial-specific plasma biomarkers. Systemic disruption of insulin signaling resulted in severe impairment of NO-dependent endothelial function and a loss of vasoprotective function of PVAT affecting the thoracic as well as abdominal parts of the aorta, however a fall in adiponectin expression and decreased uncoupling protein 1-positive area were more pronounced in the thoracic aorta. Results suggest that dysfunctional PVAT contributes to vascular pathology induced by altered insulin signaling in diabetes, in the absence of fat overload and obesity.
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Affiliation(s)
- Bartosz Proniewski
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Anna Bar
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Anna Kieronska-Rudek
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
- Faculty of Pharmacology, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland
| | - Joanna Suraj-Prażmowska
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Elżbieta Buczek
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Krzysztof Czamara
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Zuzanna Majka
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Izabela Czyzynska-Cichon
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Grzegorz Kwiatkowski
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Karolina Matyjaszczyk-Gwarda
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland; (B.P.); (A.B.); (A.K.-R.); (J.S.-P.); (E.B.); (K.C.); (Z.M.); (I.C.-C.); (G.K.); (K.M.-G.)
- Faculty of Pharmacology, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland
- Correspondence:
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Majka Z, Czamara K, Wegrzyn P, Litwinowicz R, Janus J, Chlopicki S, Kaczor A. A new approach to study human perivascular adipose tissue of the internal mammary artery by fiber-optic Raman spectroscopy supported by spectral modelling. Analyst 2021; 146:270-276. [PMID: 33118570 DOI: 10.1039/d0an01868f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Perivascular adipose tissue (PVAT) regulates vascular function and represents a novel therapeutic target in vascular diseases. In this work, a new approach based on fiber-optic Raman spectroscopy and spectral modelling was used to characterize the chemical content of the PVAT of the internal mammary artery (IMA) of patients with advanced coronary atherosclerosis (n = 10) undergoing coronary bypass surgery. Our results showed a high degree of lipid unsaturation and low carotenoid content in the PVAT of the IMA of patients with more advanced coronary artery disease. Moreover, the spectral modelling of the IMA's PVAT composition indicated that glyceryl trioleate was a major PVAT lipid and for patients with relatively low levels of β-carotene, it was accompanied by arachidonic acid and glyceryl trilinolenate. In summary, our proof-of-concept study suggests that carotenoid content and lipid unsaturation degree may reflect the PVAT functional status and a Raman-based assessment of the PVAT of the IMA could prove useful as a novel diagnostic tool to rapidly define the PVAT phenotype in a grafted artery in patients undergoing coronary bypass.
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Affiliation(s)
- Zuzanna Majka
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland.
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Bar A, Kieronska-Rudek A, Proniewski B, Suraj-Prażmowska J, Czamara K, Marczyk B, Matyjaszczyk-Gwarda K, Jasztal A, Kuś E, Majka Z, Kaczor A, Kurpińska A, Walczak M, Pieterman EJ, Princen HMG, Chlopicki S. In Vivo Magnetic Resonance Imaging-Based Detection of Heterogeneous Endothelial Response in Thoracic and Abdominal Aorta to Short-Term High-Fat Diet Ascribed to Differences in Perivascular Adipose Tissue in Mice. J Am Heart Assoc 2020; 9:e016929. [PMID: 33073641 PMCID: PMC7763398 DOI: 10.1161/jaha.120.016929] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background Long-term feeding with a high-fat diet (HFD) induces endothelial dysfunction in mice, but early HFD-induced effects on endothelium have not been well characterized. Methods and Results Using an magnetic resonance imaging-based methodology that allows characterization of endothelial function in vivo, we demonstrated that short-term (2 weeks) feeding with a HFD to C57BL/6 mice or to E3L.CETP mice resulted in the impairment of acetylcholine-induced response in the abdominal aorta (AA), whereas, in the thoracic aorta (TA), the acetylcholine-induced response was largely preserved. Similarly, HFD resulted in arterial stiffness in the AA, but not in the TA. The difference in HFD-induced response was ascribed to distinct characteristics of perivascular adipose tissue in the TA and AA, related to brown- and white-like adipose tissue, respectively, as assessed by histology, immunohistochemistry, and Raman spectroscopy. In contrast, short-term HFD-induced endothelial dysfunction could not be linked to systemic insulin resistance, changes in plasma concentration of nitrite, or concentration of biomarkers of glycocalyx disruption (syndecan-1 and endocan), endothelial inflammation (soluble form of vascular cell adhesion molecule 1, soluble form of intercellular adhesion molecule 1 and soluble form of E-selectin), endothelial permeability (soluble form of fms-like tyrosine kinase 1 and angiopoietin 2), and hemostasis (tissue plasminogen activator and plasminogen activator inhibitor 1). Conclusions Short-term feeding with a HFD induces endothelial dysfunction in the AA but not in the TA, which could be ascribed to a differential response of perivascular adipose tissue to a HFD in the AA versus TA. Importantly, early endothelial dysfunction in the AA is not linked to elevation of classical systemic biomarkers of endothelial dysfunction.
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Affiliation(s)
- Anna Bar
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Anna Kieronska-Rudek
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair of Pharmacology Faculty of Medicine Jagiellonian University Medical College Krakow Poland
| | - Bartosz Proniewski
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Joanna Suraj-Prażmowska
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair and Department of Toxicology Faculty of Pharmacy Jagiellonian University Medical College Krakow Poland
| | - Krzysztof Czamara
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Brygida Marczyk
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair of Pharmacology Faculty of Medicine Jagiellonian University Medical College Krakow Poland
| | - Karolina Matyjaszczyk-Gwarda
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair and Department of Toxicology Faculty of Pharmacy Jagiellonian University Medical College Krakow Poland
| | - Agnieszka Jasztal
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Edyta Kuś
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Zuzanna Majka
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Faculty of Chemistry Jagiellonian University Krakow Poland
| | - Agnieszka Kaczor
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Faculty of Chemistry Jagiellonian University Krakow Poland
| | - Anna Kurpińska
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland
| | - Maria Walczak
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair and Department of Toxicology Faculty of Pharmacy Jagiellonian University Medical College Krakow Poland
| | - Elsbet J Pieterman
- Metabolic Health Research Gaubius Laboratory The Netherlands Organisation of Applied Scientific Research (TNO) Leiden The Netherlands
| | - Hans M G Princen
- Metabolic Health Research Gaubius Laboratory The Netherlands Organisation of Applied Scientific Research (TNO) Leiden The Netherlands
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET) Jagiellonian University Krakow Poland.,Chair of Pharmacology Faculty of Medicine Jagiellonian University Medical College Krakow Poland
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Czamara K, Karnas E, Majka Z, Wojcik T, Zuba-Surma EK, Baranska M, Kaczor A. Impact of cell cycle dynamics on pathology recognition: Raman imaging study. J Biophotonics 2019; 12:e201800152. [PMID: 30294876 DOI: 10.1002/jbio.201800152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
Confocal Raman imaging combined with fluorescence-activated cell sorting was used for in vitro studies of cell cultures to look at biochemical differences between the cells in different cell phases. To answer the question what is the impact of the cell cycle phase on discrimination of pathological cells, the combination of several factors was checked: a confluency of cell culture, the cell cycle dynamics and development of pathology. Confluency of 70% and 100% results in significant phenotypic cell changes that can be also diverse for different batches. In 100% confluency cultures, cells from various phases become phenotypically very similar and their recognition based on Raman spectra is not possible. For lower confluency, spectroscopic differences can be found between cell cycle phases (G0 /G1 , S and G2 /M) for control cells and cells incubated with tumor necrosis factor alpha (TNF-α), but when the mycotoxin cytochalasin B is used the Raman signatures of cell phases are not separable. Generally, this work shows that heterogeneity between control and inflamed cells can be bigger than heterogeneity between cell cycle phases, but it is related to several factors, and not always can be treated as a rule.
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Affiliation(s)
- Krzysztof Czamara
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Elzbieta Karnas
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Zuzanna Majka
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Tomasz Wojcik
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Ewa K Zuba-Surma
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Malgorzata Baranska
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Agnieszka Kaczor
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
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Czamara K, Majka Z, Fus A, Matjasik K, Pacia MZ, Sternak M, Chlopicki S, Kaczor A. Raman spectroscopy as a novel tool for fast characterization of the chemical composition of perivascular adipose tissue. Analyst 2019; 143:5999-6005. [PMID: 30334021 DOI: 10.1039/c8an01307a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
One of the new targets of untapped therapeutic potential is perivascular adipose tissue (pVAT). pVAT releases a plethora of pro- and anti-inflammatory agents and is involved in the inflammatory response of the vascular wall, playing a key role in various cardiovascular pathologies. Both fiber optic Raman spectroscopy with a high-spatial resolution probe and Raman microscopy were applied to study various types of adipose tissue with the emphasis on pVATs of the thoracic and abdominal aorta and the mesenteric artery, as well as epididymal and interscapular adipose tissue for comparison. Our results demonstrated that the lipid unsaturation degree was clearly distinct in various types of adipose tissue and was influenced by the age of animals. In particular, the basal unsaturation level of pVATs of the abdominal aorta and the mesenteric artery was considerably higher than that of the thoracic aorta and a significant increase of the unsaturation level of pVAT with age was observed showing that aging has a considerable impact on the pVAT's chemical composition. Overall, our results show that Raman spectroscopy is a sensitive tool to determine the perivascular adipose tissue chemical composition that appears to be vascular-bed specific.
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Affiliation(s)
- Krzysztof Czamara
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland.
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10
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Szymborski T, Witkowska E, Niciński K, Majka Z, Krehlik T, Deskur T, Winkler K, Kamińska A. Steel Wire Mesh as a Thermally Resistant SERS Substrate. Nanomaterials (Basel) 2018; 8:nano8090663. [PMID: 30149680 PMCID: PMC6163328 DOI: 10.3390/nano8090663] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/03/2018] [Accepted: 08/23/2018] [Indexed: 01/20/2023]
Abstract
In this paper, we present novel type of Surface-enhanced Raman spectroscopy (SERS) platform, based on stainless steel wire mesh (SSWM) covered with thin silver layer. The stainless steel wire mesh, typically used in chemical engineering industry, is a cheap and versatile substrate for SERS platforms. SSWM consists of multiple steel wires with diameter of tens of micrometers, which gives periodical structure and high stiffness. Moreover, stainless steel provides great resistance towards organic and inorganic solvents and provides excellent heat dissipation. It is worth mentioning that continuous irradiation of the laser beam over the SERS substrate can be a source of significant increase in the local temperature of metallic nanostructures, which can lead to thermal degradation or fragmentation of the adsorbed analyte. Decomposition or fragmentation of the analysed sample usually causea a significant decrease in the intensity of recorded SERS bands, which either leads to false SERS responses or enables the analysis of spectral data. To our knowledge, we have developed for the first time the thermally resistant SERS platform. This type of SERS substrate, termed Ag/SSWM, exhibit high sensitivity (Enhancement Factor (EF) = 106) and reproducibility (Relative Standard Deviation (RSD) of 6.4%) towards detection of p-mercaptobenzoic acid (p-MBA). Besides, Ag/SSWM allows the specific detection and differentiation between Gram-positive and Gram-negative bacterial species: Escherichia coli and Bacillus subtilis in label-free and reproducible manner. The unique properties of designed substrate overcome the limitations associated with photo- and thermal degradation of sensitive bacterial samples. Thus, a distinctive SERS analysis of all kinds of chemical and biological samples at high sensitivity and selectivity can be performed on the developed SERS-active substrate.
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Affiliation(s)
- Tomasz Szymborski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
- Soft Materials Laboratory, Institute of Materials, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland.
| | - Evelin Witkowska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Krzysztof Niciński
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Zuzanna Majka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Tomasz Krehlik
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Tomiła Deskur
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Katarzyna Winkler
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Agnieszka Kamińska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
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11
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Wieloch A, Adamczyk M, Barbui M, Blando N, Giuliani G, Hagel K, Kim EJ, Kowalski S, Majka Z, Natowitz J, Pelczar K, Płaneta R, Schmidt K, Sosin Z, Wuenschel S, Zelga K, Zheng H. A novel approach to the island of stability of super-heavy elements search. EPJ Web of Conferences 2016. [DOI: 10.1051/epjconf/201611701003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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12
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Schmidt K, Kim EJ, Wuenschel S, Barbui M, Natowitz JB, Hagel K, Wada R, Bottosso C, Giuliani G, Qin L, Kohley Z, Bonasera A, Chen Z, Huang M, Wang J, Zheng H, Kowalski S, Rodrigues MRD, Fabris D, Moretto S, Pesente S, Viesti G, Cinausero M, Prete G, Nebbia G, Keutgen T, El Masri Y, Majka Z, Ma YG. Clustering in alpha conjugate nuclei. EPJ Web of Conferences 2015. [DOI: 10.1051/epjconf/20158800024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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13
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Qin L, Hagel K, Wada R, Natowitz JB, Shlomo S, Bonasera A, Röpke G, Typel S, Chen Z, Huang M, Wang J, Zheng H, Kowalski S, Barbui M, Rodrigues MRD, Schmidt K, Fabris D, Lunardon M, Moretto S, Nebbia G, Pesente S, Rizzi V, Viesti G, Cinausero M, Prete G, Keutgen T, El Masri Y, Majka Z, Ma YG. Laboratory tests of low density astrophysical nuclear equations of state. Phys Rev Lett 2012; 108:172701. [PMID: 22680857 DOI: 10.1103/physrevlett.108.172701] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2011] [Indexed: 06/01/2023]
Abstract
Clustering in low density nuclear matter has been investigated using the NIMROD multidetector at Texas A&M University. Thermal coalescence modes were employed to extract densities, ρ, and temperatures, T, for evolving systems formed in collisions of 47A MeV (40)Ar+(112)Sn, (124)Sn and (64)Zn+(112)Sn, (124)Sn. The yields of d, t, (3)He, and (4)He have been determined at ρ=0.002 to 0.03 nucleons/fm(3) and T=5 to 11 MeV. The experimentally derived equilibrium constants for α particle production are compared with those predicted by a number of astrophysical equations of state. The data provide important new constraints on the model calculations.
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Affiliation(s)
- L Qin
- Cyclotron Institute, Texas A&M University, College Station, Texas 77843, USA
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14
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Hagel K, Wada R, Qin L, Natowitz JB, Shlomo S, Bonasera A, Röpke G, Typel S, Chen Z, Huang M, Wang J, Zheng H, Kowalski S, Bottosso C, Barbui M, Rodrigues MRD, Schmidt K, Fabris D, Lunardon M, Moretto S, Nebbia G, Pesente S, Rizzi V, Viesti G, Cinausero M, Prete G, Keutgen T, El Masri Y, Majka Z. Experimental determination of in-medium cluster binding energies and Mott points in nuclear matter. Phys Rev Lett 2012; 108:062702. [PMID: 22401061 DOI: 10.1103/physrevlett.108.062702] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Indexed: 05/31/2023]
Abstract
In-medium binding energies and Mott points for d, t, 3He and α clusters in low-density nuclear matter have been determined at specific combinations of temperature and density in low-density nuclear matter produced in collisions of 47A MeV 40Ar and 64Zn projectiles with 112Sn and 124Sn target nuclei. The experimentally derived values of the in-medium modified binding energies are in good agreement with recent theoretical predictions based upon the implementation of Pauli blocking effects in a quantum statistical approach.
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Affiliation(s)
- K Hagel
- Cyclotron Institute, Texas A&M University, College Station, Texas 77843, USA
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15
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Najman R, Płaneta R, Sochocka A, Amorini F, Auditore L, Bubak A, Cap T, Cardella G, De Filippo E, Geraci E, Grassi L, Grzeszczuk A, La Guidara E, Han J, Loria D, Kowalski S, Kozik T, Lanzalone G, Lombardo I, Majka Z, Nicolis NG, Pagano A, Piasecki E, Pirrone S, Politi G, Rizzo F, Russotto P, Siwek-Wilczyéska K, Skwira-Chalot I, Trifiró A, Trimarchi M, Wilczyński J, Verde G, Zipper W. Global characteristics of 197Au + 197Au collisions at 23 AMeV. EPJ Web of Conferences 2012. [DOI: 10.1051/epjconf/20123100026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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16
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Sfienti C, Adrich P, Aumann T, Bacri CO, Barczyk T, Bassini R, Bianchin S, Boiano C, Botvina AS, Boudard A, Brzychczyk J, Chbihi A, Cibor J, Czech B, De Napoli M, Ducret JE, Emling H, Frankland JD, Hellström M, Henzlova D, Immè G, Iori I, Johansson H, Kezzar K, Lafriakh A, Le Fèvre A, Le Gentil E, Leifels Y, Lühning J, Lukasik J, Lynch WG, Lynen U, Majka Z, Mocko M, Müller WFJ, Mykulyak A, Orth H, Otte AN, Palit R, Pawłowski P, Pullia A, Raciti G, Rapisarda E, Sann H, Schwarz C, Simon H, Sümmerer K, Trautmann W, Tsang MB, Verde G, Volant C, Wallace M, Weick H, Wiechula J, Wieloch A, Zwiegliński B. Isotopic dependence of the nuclear caloric curve. Phys Rev Lett 2009; 102:152701. [PMID: 19518626 DOI: 10.1103/physrevlett.102.152701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2008] [Indexed: 05/27/2023]
Abstract
The A/Z dependence of projectile fragmentation at relativistic energies has been studied with the ALADIN forward spectrometer at SIS. A stable beam of (124)Sn and radioactive beams of (124)La and (107)Sn at 600 MeV per nucleon have been used in order to explore a wide range of isotopic compositions. Chemical freeze-out temperatures are found to be nearly invariant with respect to the A/Z of the produced spectator sources, consistent with predictions for expanded systems. Small Coulomb effects (DeltaT approximately 0.6 MeV) appear for residue production near the onset of multifragmentation.
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Affiliation(s)
- C Sfienti
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
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17
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Skwira-Chalot I, Siwek-Wilczyńiska K, Wilczyński J, Amorini F, Anzalone A, Auditore L, Baran V, Brzychczyk J, Cardella G, Cavallaro S, Chatterjee MB, Colonna M, De Filippo E, Di Toro M, Gawlikowicz W, Geraci E, Grzeszczuk A, Guazzoni P, Kowalski S, La Guidara E, Lanzalone G, Lanzanò G, Łukasik J, Maiolino C, Majka Z, Nicolis NG, Pagano A, Piasecki E, Pirrone S, Płaneta R, Politi G, Porto F, Rizzo F, Russotto P, Schmidt K, Sochocka A, Swiderski Ł, Trifirò A, Trimarchi M, Wieleczko JP, Zetta L, Zipper W. Fast ternary and quaternary breakup of the 197Au + 197Au system in collisions at 15 MeV/nucleon. Phys Rev Lett 2008; 101:262701. [PMID: 19437637 DOI: 10.1103/physrevlett.101.262701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A new reaction mechanism of violent reseparation of a heavy nucleus-nucleus system, 197Au + 197Au, into three or four massive fragments in collisions at 15 MeV/nucleon has been observed. After reseparation, the fragments are almost exactly aligned, thus showing a very short time scale of the reseparation process, of about 70-80 fm/c.
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Affiliation(s)
- I Skwira-Chalot
- Institute of Experimental Physics, University of Warsaw, Warsaw, Poland
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18
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Arsene I, Bearden IG, Beavis D, Bekele S, Besliu C, Budick B, Bøggild H, Chasman C, Dalsgaard HH, Debbe R, Fox B, Gaardhøje JJ, Hagel K, Jipa A, Johnson EB, Karabowicz R, Katryńska N, Kim EJ, Larsen TM, Lee JH, Løvhøiden G, Majka Z, Murray M, Nygaard C, Natowitz J, Nielsen BS, Pal D, Qviler A, Ristea C, Röhrich D, Sanders SJ, Staszel P, Tveter TS, Videbaek F, Yang H, Wada R. Single-transverse-spin asymmetries of identified charged hadrons in polarized pp collisions at sqrt[s]=62.4 GeV. Phys Rev Lett 2008; 101:042001. [PMID: 18764320 DOI: 10.1103/physrevlett.101.042001] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2008] [Indexed: 05/26/2023]
Abstract
The first measurements of xF-dependent single-spin asymmetries of identified charged hadrons, pi+/-, K+/-, and protons, from transversely polarized proton-proton collisions at 62.4 GeV at RHIC are presented. Large asymmetries are seen in the pion and kaon channels. The asymmetries in inclusive pi+ production, AN(pi+), increase with xF from 0 to approximately 0.25 and AN(pi-) decrease from 0 to approximately -0.4. Observed asymmetries for K- unexpectedly show positive values similar to those for K+, increasing with xF, whereas proton asymmetries are consistent with zero over the measured kinematic range. Comparisons of the data with predictions of QCD-based models are presented.
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Affiliation(s)
- I Arsene
- Department of Physics, University of Oslo, Oslo, Norway
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19
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Arsene I, Bearden IG, Beavis D, Bekele S, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Dalsgaard HH, Debbe R, Gaardhøje JJ, Hagel K, Ito H, Jipa A, Johnson EB, Jørgensen CE, Karabowicz R, Katrynska N, Kim EJ, Larsen TM, Lee JH, Lindal S, Løvhøiden G, Majka Z, Murray M, Natowitz J, Nielsen BS, Nygaard C, Płaneta R, Rami F, Renault F, Ristea C, Ristea O, Röhrich D, Samset BH, Sanders SJ, Scheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Yin Z, Yang H, Zgura IS. Production of mesons and baryons at high rapidity and high p(T) in proton-proton collisions at square root[s] = 200 GeV. Phys Rev Lett 2007; 98:252001. [PMID: 17678015 DOI: 10.1103/physrevlett.98.252001] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2007] [Indexed: 05/16/2023]
Abstract
We present particle spectra for charged hadrons pi(+/-), K(+/-), p, and p[over] from pp collisions at square root[s] = 200 GeV measured for the first time at forward rapidities (2.95 and 3.3). The kinematics of these measurements are skewed in a way that probes the small momentum fraction in one of the protons and large fractions in the other. Large proton to pion ratios are observed at values of transverse momentum that extend up to 4 GeV/c, where protons have momenta up to 35 GeV. Next-to-leading order perturbative QCD calculations describe the production of pions and kaons well at these rapidities, but fail to account for the large proton yields and small p[over]/p ratios.
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Affiliation(s)
- I Arsene
- Department of Physics, University of Oslo, Oslo, Norway
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20
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Bearden IG, Beavis D, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Hansen O, Holm A, Holme AK, Ito H, Jipa A, Jundt F, Jørdre JI, Jørgensen CE, Karabowicz R, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Løvhøiden G, Majka Z, Makeev A, Mikelsen M, Murray M, Natowitz J, Nielsen BS, Norris J, Olchanski K, Ouerdane D, Płaneta R, Rami F, Ristea C, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Sheetz RA, Staszel P, Tveter TS, Videaek F, Wada R, Yin Z, Zgura IS. Charged meson rapidity distributions in central Au+Au collisions at square root(sNN) = 200 GeV. Phys Rev Lett 2005; 94:162301. [PMID: 15904216 DOI: 10.1103/physrevlett.94.162301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2004] [Indexed: 05/02/2023]
Abstract
We have measured rapidity densities dN/dy of pi+/- and K+/- over a broad rapidity range (-0.1 < y < 3.5) for central Au + Au collisions at square root(sNN) = 200 GeV. These data have significant implications for the chemistry and dynamics of the dense system that is initially created in the collisions. The full phase-space yields are 1660 +/- 15 +/- 133 (pi+), 1683 +/- 16 +/- 135 (pi-), 286 +/- 5 +/- 23 (K+), and 242 +/- 4 +/- 19 (K-). The systematics of the strange to nonstrange meson ratios are found to track the variation of the baryochemical potential with rapidity and energy. Landau-Carruthers hydrodynamics is found to describe the bulk transport of the pions in the longitudinal direction.
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Affiliation(s)
- I G Bearden
- Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
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21
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Arsene I, Bearden IG, Beavis D, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Ito H, Jipa A, Jørdre JI, Jundt F, Jørgensen CE, Karabowicz R, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Lindal S, Lystad R, Løvhøiden G, Majka Z, Makeev A, Mikelsen M, Murray M, Natowitz J, Neumann B, Nielsen BS, Ouerdane D, Płaneta R, Rami F, Ristea C, Ristea O, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Sheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Yin Z, Zgura IS. Centrality dependence of charged-particle pseudorapidity distributions from d + Au collisions at sqrt[sNN] = 200 GeV. Phys Rev Lett 2005; 94:032301. [PMID: 15698255 DOI: 10.1103/physrevlett.94.032301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2004] [Indexed: 05/24/2023]
Abstract
Charged-particle pseudorapidity densities are presented for the d + Au reaction at sqrt[s(NN)] = 200 GeV with -4.2 < or = eta < or = 4.2. The results, from the BRAHMS experiment at BNL Relativistic Heavy-Ion Collider, are shown for minimum-bias events and 0%-30%, 30%-60%, and 60%-80% centrality classes. Models incorporating both soft physics and hard, perturbative QCD-based scattering physics agree well with the experimental results. The data do not support predictions based on strong-coupling, semiclassical QCD. In the deuteron-fragmentation region the central 200 GeV data show behavior similar to full-overlap d+Au results at sqrt[s(NN)] = 19.4 GeV.
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Affiliation(s)
- I Arsene
- University of Bucharest, Bucharest, Romania
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22
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Arsene I, Bearden IG, Beavis D, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Ito H, Jipa A, Jundt F, Jørdre JI, Jørgensen CE, Karabowicz R, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Lindal S, Lystad R, Løvhøiden G, Majka Z, Makeev A, Mikelsen M, Murray M, Natowitz J, Neumann B, Nielsen BS, Ouerdane D, Płaneta R, Rami F, Ristea C, Ristea O, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Scheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Yin Z, Zgura IS. Evolution of the nuclear modification factors with rapidity and centrality in d + Au collisions at (sqrt)[N(S)N]=200 GeV. Phys Rev Lett 2004; 93:242303. [PMID: 15697798 DOI: 10.1103/physrevlett.93.242303] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2004] [Revised: 08/27/2004] [Indexed: 05/24/2023]
Abstract
We report on a study of the transverse momentum dependence of nuclear modification factors R(dAu) for charged hadrons produced in deuteron + gold collisions at sqrt[s(NN)]=200 GeV, as a function of collision centrality and of the pseudorapidity (eta=0, 1, 2.2, 3.2) of the produced hadrons. We find a significant and systematic decrease of R(dAu) with increasing rapidity. The midrapidity enhancement and the forward rapidity suppression are more pronounced in central collisions relative to peripheral collisions. These results are relevant to the study of the possible onset of gluon saturation at energies reached at BNL RHIC.
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Affiliation(s)
- I Arsene
- Brookhaven National Laboratory, Upton, NY 11973, USA
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Bearden IG, Beavis D, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Hansen O, Holm A, Holme AK, Ito H, Jipa A, Jundt F, Jørdre JI, Jørgensen CE, Karabowicz R, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Løvhøiden G, Majka Z, Makeev A, Mikelsen M, Murray M, Natowitz J, Nielsen BS, Norris J, Olchanski K, Ouerdane D, Płaneta R, Rami F, Ristea C, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Scheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Yin Z, Zgura IS. Nuclear stopping in Au+Au collisions at square root of S(NN)=200 GeV. Phys Rev Lett 2004; 93:102301. [PMID: 15447397 DOI: 10.1103/physrevlett.93.102301] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2003] [Indexed: 05/24/2023]
Abstract
Transverse momentum spectra and rapidity densities, dN/dy, of protons, antiprotons, and net protons (p-p) from central (0%-5%) Au+Au collisions at square root of S(NN)=200 GeV were measured with the BRAHMS experiment within the rapidity range 0</=y</=3. The proton and antiproton dN/dy decrease from midrapidity to y=3. The net-proton yield is roughly constant for y<1 at dN/dy approximately 7, and increases to dN/dy approximately 12 at y approximately 3. The data show that collisions at this energy exhibit a high degree of transparency and that the linear scaling of rapidity loss with rapidity observed at lower energies is broken. The energy loss per participant nucleon is estimated to be 73+/-6 GeV.
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Affiliation(s)
- I G Bearden
- Niels Bohr Institute, Blegdamsvej 17, University of Copenhagen, Copenhagen 2100, Denmark
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Arsene I, Bearden IG, Beavis D, Besliu C, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Hansen O, Holm A, Ito H, Jipa A, Jundt F, Jørdre JI, Jørgensen CE, Karabowicz R, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Lindal S, Lystad G, Løvhøiden G, Majka Z, Makeev A, McBreen B, Mikelsen M, Murray M, Natowitz J, Neumann B, Nielsen BS, Norris J, Ouerdane D, Płaneta R, Rami F, Ristea C, Ristea O, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Scheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Yin Z, Zgura IS. Transverse-momentum spectra in Au+Au and d+Au collisions at sqrt[s(NN)]=200 GeV and the pseudorapidity dependence of high-p(T) suppression. Phys Rev Lett 2003; 91:072305. [PMID: 12935010 DOI: 10.1103/physrevlett.91.072305] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2003] [Indexed: 05/24/2023]
Abstract
We present spectra of charged hadrons from Au+Au and d+Au collisions at sqrt[s(NN)]=200 GeV measured with the BRAHMS experiment at RHIC. The spectra for different collision centralities are compared to spectra from p+(-)p collisions at the same energy scaled by the number of binary collisions. The resulting ratios (nuclear modification factors) for central Au+Au collisions at eta=0 and eta=2.2 evidence a strong suppression in the high p(T) region (>2 GeV/c). In contrast, the d+Au nuclear modification factor (at eta=0) exhibits an enhancement of the high p(T) yields. These measurements indicate a high energy loss of the high p(T) particles in the medium created in the central Au+Au collisions. The lack of suppression in d+Au collisions makes it unlikely that initial state effects can explain the suppression in the central Au+Au collisions.
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Affiliation(s)
- I Arsene
- Brookhaven National Laboratory, Upton, New York 11973, USA
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Bearden IG, Beavis D, Besliu C, Blyakhman Y, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Germinario M, Hagel K, Hansen O, Holm A, Holme AK, Ito H, Jakobsen E, Jipa A, Jundt F, Jørdre JI, Jørgensen CE, Karabowicz R, Keutgen T, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Løvhøiden G, Majka Z, Makeev A, McBreen B, Mikelsen M, Murray M, Natowitz J, Nielsen BS, Norris J, Olchanski K, Olness J, Ouerdane D, Płaneta R, Rami F, Ristea C, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Scheetz RA, Staszel P, Tveter TS, Videbaek F, Wada R, Wieloch A, Yin Z, Zgura IS. Rapidity dependence of charged antihadron to hadron ratios in Au+Au collisions at sqrt[s(NN)]=200 GeV. Phys Rev Lett 2003; 90:102301. [PMID: 12688991 DOI: 10.1103/physrevlett.90.102301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2002] [Indexed: 05/24/2023]
Abstract
We present ratios of the numbers of charged antihadrons to hadrons (pions, kaons, and protons) in Au+Au collisions at sqrt[s(NN)]=200 GeV as a function of rapidity in the range y=0-3. While the ratios at midrapidity are approaching unity, the K(-)/K(+) and p;/p ratios decrease significantly at forward rapidities. An interpretation of the results within the statistical model indicates a reduction of the baryon chemical potential from mu(B) approximately 130 MeV at y=3 to mu(B) approximately 25 MeV at y=0.
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Affiliation(s)
- I G Bearden
- Niels Bohr Institute, Blegdamsvej 17, University of Copenhagen, Copenhagen 2100, Denmark
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26
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Bearden IG, Beavis D, Besliu C, Blyakhman Y, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Enger E, Gaardhøje JJ, Hagel K, Hansen O, Holm A, Holme AK, Ito H, Jakobsen E, Jipa A, Jørdre JI, Jundt F, Jørgensen CE, Karabowicz R, Keutgen T, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Løvhøiden G, Majka Z, Makeev A, McBreen B, Mikelsen M, Murray M, Natowitz J, Nielsen BS, Norris J, Olchanski K, Olness J, Ouerdane D, Płaneta R, Rami F, Ristea C, Röhrich D, Samset BH, Sandberg D, Sanders SJ, Sheetz RA, Staszel P, Thorsteinsen TF, Tveter TS, Videbaek F, Wada R, Wieloch A, Zgura IS. Pseudorapidity distributions of charged particles from Au + Au collisions at the maximum RHIC energy, square root[s(NN)] = 200 GeV. Phys Rev Lett 2002; 88:202301. [PMID: 12005556 DOI: 10.1103/physrevlett.88.202301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2001] [Revised: 02/14/2002] [Indexed: 05/23/2023]
Abstract
We present charged-particle multiplicities as a function of pseudorapidity and collision centrality for the 197Au+197Au reaction at square root[s(NN)] = 200 GeV. For the 5% most central events we obtain dN(ch)/deta/(eta = 0) = 625+/-55 and N(ch)/(-4.7< or =eta < or =4.7) = 4630 +/- 370, i.e., 14% and 21% increases, respectively, relative to square root[s(NN)] = 130 GeV collisions. Charged-particle production per pair of participant nucleons is found to increase from peripheral to central collisions around midrapidity. These results constrain current models of particle production at the highest RHIC energy.
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Affiliation(s)
- I G Bearden
- Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
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27
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Bearden IG, Beavis D, Besliu C, Blyakhman Y, Brzychczyk J, Budick B, Bøggild H, Chasman C, Christensen CH, Christiansen P, Cibor J, Debbe R, Gaardhøje JJ, Grotowski K, Hagel K, Hansen O, Holm A, Holme AK, Ito H, Jakobsen E, Jipa A, Jørdre JI, Jundt F, Jørgensen CE, Keutgen T, Kim EJ, Kozik T, Larsen TM, Lee JH, Lee YK, Løvhøiden GL, Majka Z, Makeev A, McBreen B, Murray M, Natowitz J, Nielsen BS, Olchanski K, Olness J, Ouerdane D, Planeta R, Rami F, Röhrich D, Samset BH, Sanders SJ, Sheetz RA, Sosin Z, Staszel P, Thorsteinsen TF, Tveter TS, Videbaek F, Wada R, Wieloch A, Zgura IS. Rapidity dependence of antiproton-to-proton ratios in Au+Au collisions at square root of (sNN) = 130 GeV. Phys Rev Lett 2001; 87:112305. [PMID: 11531519 DOI: 10.1103/physrevlett.87.112305] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2001] [Indexed: 05/23/2023]
Abstract
Measurements, with the BRAHMS detector, of the antiproton-to-proton ratio at midrapidities and forward rapidities, are presented for Au+Au reactions at square root of [s(NN)] = 130 GeV, and for three different collision centralities. For collisions in the 0%-40% centrality range, we find N(&pmacr;)/N(p) = 0.64+/-0.04((stat))+/-0.06((syst)) at y approximately 0, 0.66+/-0.03+/-0.06 at y approximately 0.7, and 0.41+/-0.04+/-0.06 at y approximately 2. The ratios are found to be nearly independent of collision centrality and transverse momentum. The antiproton and proton rapidity densities vary differently with rapidity, and indicate a significant degree of collision transparency, although a net-baryon free midrapidity plateau (Bjorken limit) is not yet reached.
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Affiliation(s)
- I G Bearden
- Niels Bohr Institute, University of Copenhagen, Denmark
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Mokrosz MJ, Kowalski P, Kowalska T, Majka Z, Duszyńska B, Bojarski AJ, Fruziński A, Karolak-Wojciechowska J, Wesołowska A, Kłodzińska A, Tatarczyńska E, Chojnacka-Wójcik E. Structure-activity relationship studies of CNS agents. Part 38. Novel 1,4-benzoxazin-3(4H)-one, 1,2-benzoxazolin-3-one and 1,3-benzoxazolin-2,4-dione arylpiperazine derivatives with different 5-HT1A and antagonistic 5-HT2A activities. Arch Pharm (Weinheim) 1999; 332:373-9. [PMID: 10605377 DOI: 10.1002/(sici)1521-4184(199911)332:11<373::aid-ardp373>3.0.co;2-l] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
New 1-arylpiperazine (series d-f) and 1,2,3,4-tetrahydroisoquinoline (series g) derivatives of 1,4-benzoxazin-3(4H)-one 1, 1,2-benzoxazolin-3-one 2, and 1,3-benzoxazolin-2,4-dione 3 with an n-butyl chain were synthesized in order to explore the effect of spacer elongation on their binding affinity and in vivo functional activity at 5-HT1A and 5-HT2A receptors in comparison with trimethylene analogues (a, bc). 5-HT1A receptor binding constants of derivatives 1d-g, 2d-f, and 3d-f were very high (Ki = 1.25-54 nM), and 5-HT2A affinities were maintained at a similar, high level (Ki = 27-85 nM) for series d and e, and moderate (Ki = 246-495 nM) for series f. In respect of a spacer, the obtained results showed either no effect or a slight increase in the 5-HT1A/5-HT2A affinity in case of derivatives of 1 and 2, respectively. A striking effect was observed for derivatives 3d and 3f, whose 5-HT1A affinity was reinforced by two orders of magnitude with a simultaneous decrease in 5-HT2A binding constants in comparison with trimethylene analogues. As shown by X-ray crystallography, this phenomenon may be attributed to the position of non-carbonyl oxygen atom in the amide moiety. In vivo studies demonstrated that compounds 1e-g, 2d-f, and 3f behaved like typical postsynaptic 5-HT1A receptor antagonists, whereas 3d and 3e might be qualified as their potential partial agonists. Moreover, 1e, 2e, and 3e demonstrated 5-HT2A receptor antagonistic properties. Of the tested compounds, two derivatives showed some very outstanding properties: 3e may be regarded as a potential anxiolytic and/or antidepressant agent, while 3f as a new potent 5-HT1A antagonist.
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Affiliation(s)
- M J Mokrosz
- Department of Medicinal Chemistry, Institute of Pharmacology PAS, Kraków, Poland
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Mokrosz MJ, Kowalski P, Kowalska T, Majka Z, Duszyńska B, Charakchieva-Minol S, Szaro A, Tatarczyńska E, Kłodzińska A, Chojnacka-Wójcik E. 1,4-Benzoxazin-3(4H)-one derivatives and related compounds as 5-HT1A and 5-HT2A receptor ligands; the effect of the terminal amide fragment on the 5-HT1A/5-HT2A affinity and functional activity. Pol J Pharmacol 1998; 50:333-40. [PMID: 10091718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
A number of new 1-phenyl- (a), 1-(3-chlorophenyl)- (b) and 1-(2-methoxyphenyl)- (c) piperazine derivatives containing 1,4-benzoxazin-3(4H)-one (2-4), 2,4-benzoxazin-3-(4H)-one (5), 1,2-benzoxazolin-3-one (6) and 1,3-benzoxazolin-2,4-dione (7) were synthesized. Radioligand binding measurements showed that the majority of compounds had a distinct affinity for 5-HT1A (3a, 6a, 2-5b, 6c; Ki = 7.5-81 nM) and/or 5-HT2A (2b, 5-7a,b; Ki = 18-69 nM) receptors. Structure-Activity Relationship (SAR) studies revealed structural features which seem to favour the binding to either or both of these two receptor subtypes. For evaluation of the functional in vivo profile of the most potent 5-HT1A (5b, 6b) and/or 5-HT2A (5-7b) ligands, the following tests were used: the 8-OH-DPAT-induced lower lip retraction (LLR) and behavioral syndrome in rats--for 5-HT1A receptor antagonistic activity, and the (+/-)DOI-induced head twitches in mice and the (+/-)DOI-induced discriminative stimulus properties in rats--for 5-HT2A receptor antagonistic properties. The obtained results show that compounds 5b and 6c behave like potent 5-HT1A antagonists, whereas 5b, 6b and 7b demonstrate 5-HT2A receptor antagonistic properties. None of the in vivo tested compounds, given alone, mimicked 8-OH-DPAT activity in those tests. It seems that derivative 5b, which has an equipotent 5-HT1A and 5-HT2A affinity and antagonistic properties at both these receptors, is a promising potential psychotropic substance.
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Affiliation(s)
- M J Mokrosz
- Department of Medicinal Chemistry, Institute of Pharmacology, Polish Academy of Sciences, Kraków
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Mokrosz MJ, Mokrosz JL, Duszyńska B, Dereń-Wesołek A, Kłodzińska A, Kowalski P, Charakchieva-Minol S, Tatarczyńska E, Kowalska T, Majka Z, Chojnacka-Wójcik E, Misztal S. 5-HT1A and 5-HT2A receptor affinity and functional profile of some N-[3-(4-aryl-1-piperazinyl)propyl] derivatives of indolin-2(1H)-one, quinolin-2(1 H)-one and isoquinolin-1(2H)-one. Part 30: Structure-activity relationship studies of CNS agents. Pharmazie 1997; 52:423-8. [PMID: 9260266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A series of new 1-aryl-4-propylpiperazines containing the modified terminal amide fragment 9, 15-19, 21, 23 and 25 were synthesized and their 5-HT1A and 5-HT2A receptor affinities were determined. All the compound were highly potent 5-HT1A receptor ligands with a diverse 5-HT2A receptor affinity. It was found that the 5-HT2A receptor affinity depends on the dipole moment and lipophilicity of amide moiety. Compound 9b was found to be a 5-HT2A receptor antagonist and a weak 5-HT1A receptor agonist.
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Affiliation(s)
- M J Mokrosz
- Department of Medicinal Chemistry, Polish Academy of Sciences, Kraków, Poland
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32
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Kozik T, Abenante V, Charity RJ, Chbihi A, Majka Z, Nicolis NG, Sarantites DG, Sobotka LG, Stracener DW, Baktash C, Halbert ML, Hensley DC, Lukasik J. Collisions between 48Ti + 93Nb at 917 MeV. Phys Rev C Nucl Phys 1996; 54:3088-3098. [PMID: 9971682 DOI: 10.1103/physrevc.54.3088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Natowitz JB, Hagel K, Wada R, Majka Z, Gonthier P, Li J, Mdeiwayeh N, Xiao B, Zhao Y. Limiting temperatures of neutron rich nuclei: A possible interpretation of data from isotope yield ratios. Phys Rev C Nucl Phys 1995; 52:R2322-R2325. [PMID: 9970828 DOI: 10.1103/physrevc.52.r2322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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34
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Chbihi A, Sobotka LG, Nicolis NG, Sarantites DG, Stracener DW, Majka Z, Hensley DC, Beene JR, Halbert ML. Determination of the nuclear level density at high excitation energy. Phys Rev C Nucl Phys 1991; 43:666-677. [PMID: 9967107 DOI: 10.1103/physrevc.43.666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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35
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Chbihi A, Sobotka LG, Majka Z, Sarantites DG, Stracener DW, Abenante V, Semkow TM, Nicolis NG, Hensley DC, Beene JR, Halbert ML. Yield decomposition and excitation energy reconstruction in an incomplete fusion reaction. Phys Rev C Nucl Phys 1991; 43:652-665. [PMID: 9967106 DOI: 10.1103/physrevc.43.652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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36
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Tsang MB, Kim YD, Carlin N, Chen Z, Gelbke CK, Gong WG, Lynch WG, Murakami T, Nayak T, Ronningen RM, Xu HM, Zhu F, Sobotka LG, Stracener DW, Sarantites DG, Majka Z, Abenante V. Azimuthal distributions of fission fragments and alpha particles emitted in the reactions 36Ar+238U at E/A=20 and 35 MeV and 14N+238U at E/A=50 MeV. Phys Rev C Nucl Phys 1990; 42:15-19. [PMID: 9966686 DOI: 10.1103/physrevc.42.r15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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37
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Nicolis NG, Sarantites DG, Adler LA, Dilmanian FA, Honkanen K, Majka Z, Sobotka LG, Li Z, Semkow TM, Beene JR, Halbert ML, Hensley DC, Natowitz JB, Schmitt RP, Fabris D, Nebbia G, Mouchaty G. Deformation effects in the compound nucleus decay using the spin-alignment method. Phys Rev C Nucl Phys 1990; 41:2118-2133. [PMID: 9966576 DOI: 10.1103/physrevc.41.2118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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38
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Sarantites DG, Baktash C, Nicolis NG, Garcia-Bermudez G, Abenante V, Beene JR, Johnson NR, Halbert ML, Hensley DC, McGowan FK, Griffin HC, Lee IY, Majka Z, Riley MA, Semkow TM, Stracener DW, Virtanen A. Nuclear-structure effects in proton evaporation spectra. Phys Rev Lett 1990; 64:2129-2132. [PMID: 10041591 DOI: 10.1103/physrevlett.64.2129] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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39
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Majka Z, Abenante V, Li Z, Nicolis NG, Sarantites DG, Semkow TM, Sobotka LG, Stracener DW, Beene JR, Hensley DC, Griffin HC. Target excitation and angular momentum transfer in reactions of E/A=11.9 MeV 28Si with 181Ta from 4 pi charged particle, neutron, and gamma -ray multiplicity measurements. Phys Rev C Nucl Phys 1989; 40:2124-2136. [PMID: 9966210 DOI: 10.1103/physrevc.40.2124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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40
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Kim YD, Tsang MB, Gelbke CK, Lynch WG, Carlin N, Chen Z, Fox R, Gong WG, Murakami T, Nayak TK, Ronningen RM, Xu HM, Zhu F, Bauer W, Sobotka LG, Stracener D, Sarantites DG, Majka Z, Abenante V, Griffin H. Multifragment emission observed for the reaction 36Ar + 238U at E/A=35 MeV. Phys Rev Lett 1989; 63:494-497. [PMID: 10041089 DOI: 10.1103/physrevlett.63.494] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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41
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Sobotka LG, Sarantites DG, Li Z, Dines EL, Halbert ML, Hensley DC, Lisle JC, Schmitt RP, Majka Z, Nebbia G, Griffin HC, Sierk AJ. Angular momentum dependence of complex fragment emission. Phys Rev C Nucl Phys 1987; 36:2713-2716. [PMID: 9954405 DOI: 10.1103/physrevc.36.2713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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42
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Majka Z, Brandan ME, Fabris D, Hagel K, Menchaca-Rocha A, Natowitz JB, Nebbia G, Prete G, Sterling B, Viesti G. Production and deexcitation of highly deformed 67Ga. Phys Rev C Nucl Phys 1987; 35:2125-2138. [PMID: 9954009 DOI: 10.1103/physrevc.35.2125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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43
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Majka Z, Sarantites DG, Sobotka LG, Honkanen K, Dines EL, Adler LA, Ze L, Halbert ML, Beene JR, Hensley DC, Schmitt RP, Nebbia G. Nuclear shapes from alpha-gamma-ray angular correlations. Phys Rev Lett 1987; 58:322-325. [PMID: 10034904 DOI: 10.1103/physrevlett.58.322] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Namboodiri MN, Choudhury RK, Adler L, Bronson JD, Fabris D, Garg U, Gonthier PL, Hagel K, Haenni DR, Lui YW, Majka Z, Mouchaty G, Murakami T, Natowitz JB, Nebbia G, Schmitt RP, Simon S, Sullivan JP, Youngblood DH. Linear momentum and angular momentum transfer in the reactions of 16O with 154Sm. Phys Rev C Nucl Phys 1987; 35:149-160. [PMID: 9953748 DOI: 10.1103/physrevc.35.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Planeta R, Belery P, Brzychczyk J, Cohilis P, Grégoire G, Grotowski K, Majka Z, Micek S, Szczodrak M, Wieloch A, Albinski J. Element distributions after binary fission of 44Ti. Phys Rev C Nucl Phys 1986; 34:512-522. [PMID: 9953484 DOI: 10.1103/physrevc.34.512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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