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Boehm T, Alix M, Petroczi K, Vakal S, Gludovacz E, Borth N, Salminen TA, Jilma B. Nafamostat is a potent human diamine oxidase inhibitor possibly augmenting hypersensitivity reactions during nafamostat administration. J Pharmacol Exp Ther 2022; 382:113-122. [PMID: 35688477 DOI: 10.1124/jpet.122.001248] [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: 04/01/2022] [Accepted: 05/16/2022] [Indexed: 11/22/2022] Open
Abstract
Nafamostat is an approved short acting serine protease. However, its administration is also associated with anaphylactic reactions. One mechanism to augment hypersensitivity reactions could be inhibition of diamine oxidase (DAO). The chemical structure of nafamostat is related to the potent DAO inhibitors pentamidine and diminazene. Therefore we tested whether nafamostat is a human DAO inhibitor. Using different activity assays nafamostat reversibly inhibited recombinant human DAO with an IC50 of 300 to 400 nM using 200 µM substrate concentrations. The Ki of nafamostat for the inhibition of putrescine and histamine deamination is 27 nM and 138 nM respectively. For both substrates nafamostat is a mixed mode inhibitor with p-values <0.01 compared to other inhibition types. Using 80% to 90% EDTA plasma the IC50 of nafamostat inhibition was approximately 360 nM using 20 µM cadaverine. In 90% EDTA plasma the IC50 concentrations were 2-3 µM using 0.9 µM and 0.18 µM histamine as substrate. In silico modeling showed a high overlap compared to published diminazene crystallography data, with a preferred orientation of the guanidine group towards topaquinone. In conclusion, nafamostat is a potent human DAO inhibitor and might increase severity of anaphylactic reaction by interfering with DAO‑mediated extracellular histamine degradation. Significance Statement Treatment with the short-acting anticoagulant nafamostat during hemodialysis, leukocytapheresis, extracorporeal membrane oxygenator procedures and disseminated intravascular coagulation is associated with severe anaphylaxis in humans. Histamine is a central mediator in anaphylaxis. Potent inhibition of the only extracellular histamine-degrading enzyme diamine oxidase could augment anaphylaxis reactions during nafamostat treatment.
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Affiliation(s)
- Thomas Boehm
- Clinical Pharmacology, Medical University of Vienna, Austria
| | | | | | | | | | - Nicole Borth
- University of Natural Resources and Life Sciences, Austria
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2
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Jha JS, Yin J, Haldar T, Wang Y, Gates KS. Reconsidering the Chemical Nature of Strand Breaks Derived from Abasic Sites in Cellular DNA: Evidence for 3'-Glutathionylation. J Am Chem Soc 2022; 144:10471-10482. [PMID: 35612610 DOI: 10.1021/jacs.2c02703] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The hydrolytic loss of coding bases from cellular DNA is a common and unavoidable reaction. The resulting abasic sites can undergo β-elimination of the 3'-phosphoryl group to generate a strand break with an electrophilic α,β-unsaturated aldehyde residue on the 3'-terminus. The work reported here provides evidence that the thiol residue of the cellular tripeptide glutathione rapidly adds to the alkenal group on the 3'-terminus of an AP-derived strand break. The resulting glutathionylated adduct is the only major cleavage product observed when β-elimination occurs at an AP site in the presence of glutathione. Formation of the glutathionylated cleavage product is reversible, but in the presence of physiological concentrations of glutathione, the adduct persists for days. Biochemical experiments provided evidence that the 3'-phosphodiesterase activity of the enzyme apurinic/apyrimidinic endonuclease (APE1) can remove the glutathionylated sugar remnant from an AP-derived strand break to generate the 3'OH residue required for repair via base excision or single-strand break repair pathways. The results suggest that a previously unrecognized 3'glutathionylated sugar remnant─and not the canonical α,β-unsaturated aldehyde end group─may be the true strand cleavage product arising from β-elimination at an abasic site in cellular DNA. This work introduces the 3'glutathionylated cleavage product as the major blocking group that must be trimmed to enable repair of abasic site-derived strand breaks by the base excision repair or single-strand break repair pathways.
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Hematological, immunological, and polyamines alterations in the concomitant occurrence of Fasciola gigantica and hepatic leiomyoma in cattle. Vet Parasitol 2021; 300:109617. [PMID: 34775152 DOI: 10.1016/j.vetpar.2021.109617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 11/02/2021] [Accepted: 11/03/2021] [Indexed: 11/20/2022]
Abstract
No previous studies have investigated the polyamines alterations during fascioliasis due to F. gigantica in ruminants. This study was therefore carried out to find out the possible relationship between the extent of liver destruction and leiomyoma and some hematological and immunological parameters and polyamines alterations in F. gigantica infection. Fifty cattle with liver fascioliasis and fifteen healthy cattle were selected for the study. For the histopathological study, liver tissue samples were stained with hematoxylin and eosin (H&E) and Masson's Trichrome methods. The leiomyoma suspected specimens were immunohistochemically stained for smooth muscle actin and desmin. Different hematological parameters were investigated in infected and non-infected animals. Furthermore, levels of putrescine, spermidine, and spermine were measured in homogenized liver samples. Serum IL-4 and TNF-α levels were also evaluated. By histological examination, the lesions were noted in all the infected specimens. These lesions were varied from leiomyoma, chronic catarrhal cholangitis, arteriosclerosis, telangiectasia, and fresh migratory tunnels filled with RBC and eosinophils. Comparison of hemogram results between infected and non-infected groups revealed a significant decrease in red blood cell counts (RBC), mean corpuscular hemoglobin concentration (MCHC), and platelet count (PLT) in infected animals. Also, a significant elevation in mean corpuscular volume (MCV) concentration was detected in infected animals. The putrescine and spermine levels of the infected animals were significantly higher than the non-infected animals. Although spermidine was increased in infected livers, its elevation was not significant. Based on the results, the level of IL-4 and TNF-α was not significantly changed in infected animals. In conclusion, the concurrent occurrence of leiomyoma and fascioliasis due to F. gigantica and polyamines elevation (putrescine and spermine) is reported for the first time. The role of polyamines in the concurrent occurrence of leiomyoma and fascioliasis is an area for future research.
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Zhou J, Wu R, Chen Y, Tan Y. Triple stimulation-responsive behavior of pseudorotaxane polymer assembled by amphiphilic polymer and cucurbit[7]uril in aqueous solution. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Khan A, Gamble LD, Upton DH, Ung C, Yu DMT, Ehteda A, Pandher R, Mayoh C, Hébert S, Jabado N, Kleinman CL, Burns MR, Norris MD, Haber M, Tsoli M, Ziegler DS. Dual targeting of polyamine synthesis and uptake in diffuse intrinsic pontine gliomas. Nat Commun 2021; 12:971. [PMID: 33579942 PMCID: PMC7881014 DOI: 10.1038/s41467-021-20896-z] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 12/18/2020] [Indexed: 02/07/2023] Open
Abstract
Diffuse intrinsic pontine glioma (DIPG) is an incurable malignant childhood brain tumor, with no active systemic therapies and a 5-year survival of less than 1%. Polyamines are small organic polycations that are essential for DNA replication, translation and cell proliferation. Ornithine decarboxylase 1 (ODC1), the rate-limiting enzyme in polyamine synthesis, is irreversibly inhibited by difluoromethylornithine (DFMO). Herein we show that polyamine synthesis is upregulated in DIPG, leading to sensitivity to DFMO. DIPG cells compensate for ODC1 inhibition by upregulation of the polyamine transporter SLC3A2. Treatment with the polyamine transporter inhibitor AMXT 1501 reduces uptake of polyamines in DIPG cells, and co-administration of AMXT 1501 and DFMO leads to potent in vitro activity, and significant extension of survival in three aggressive DIPG orthotopic animal models. Collectively, these results demonstrate the potential of dual targeting of polyamine synthesis and uptake as a therapeutic strategy for incurable DIPG.
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Affiliation(s)
- Aaminah Khan
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Laura D. Gamble
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Dannielle H. Upton
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Caitlin Ung
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Denise M. T. Yu
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Anahid Ehteda
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Ruby Pandher
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Chelsea Mayoh
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Steven Hébert
- grid.14709.3b0000 0004 1936 8649Lady Davis Institute for Medical Research, Jewish General Hospital, Department of Human Genetics, McGill University, 3999 Côte Ste-Catherine Road, Montreal, QC H4A 3J1 Canada
| | - Nada Jabado
- grid.63984.300000 0000 9064 4811Department of Pediatrics, McGill University Health Center, 1001 Decarie Boulevard, Montreal, QC H4A 3J1 Canada
| | - Claudia L. Kleinman
- grid.14709.3b0000 0004 1936 8649Lady Davis Institute for Medical Research, Jewish General Hospital, Department of Human Genetics, McGill University, 3999 Côte Ste-Catherine Road, Montreal, QC H4A 3J1 Canada
| | - Mark R. Burns
- Aminex Therapeutics Inc., Suite #364, 6947 Coal Creek Parkway SE, Newcastle, WA 98059 USA
| | - Murray D. Norris
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia ,grid.1005.40000 0004 4902 0432Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Michelle Haber
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia ,grid.1005.40000 0004 4902 0432Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW 2052 Australia
| | - Maria Tsoli
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia
| | - David S. Ziegler
- grid.1005.40000 0004 4902 0432Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052 Australia ,grid.414009.80000 0001 1282 788XKids Cancer Centre, Sydney Children’s Hospital, High St, Randwick, 2031 Australia
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Zhang X, Zhang L, Chen Z, Li S, Che B, Wang N, Chen J, Xu C, Wei C. Exogenous spermine attenuates diabetic kidney injury in rats by inhibiting AMPK/mTOR signaling pathway. Int J Mol Med 2021; 47:27. [PMID: 33537831 PMCID: PMC7895520 DOI: 10.3892/ijmm.2021.4860] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 01/19/2021] [Indexed: 12/16/2022] Open
Abstract
Diabetic nephropathy (DN) is the primary cause of end‑stage renal disease, which is closely associated with dysfunction of the podocytes, the main component of the glomerular filtration membrane; however, the exact underlying mechanism is unknown. Polyamines, including spermine, spermidine and putrescine, have antioxidant and anti‑aging properties that are involved in the progression of numerous diseases, but their role in DN has not yet been reported. The present study aimed to explore the role of polyamines in DN, particularly in podocyte injury, and to reveal the molecular mechanism underlying the protective effect of exogenous spermine. Streptozotocin intraperitoneal injection‑induced type 1 diabetic (T1D) rat models and high glucose (HG)‑stimulated podocyte injury models were established. It was found that in T1D rat kidneys and HG‑induced podocytes, ornithine decarboxylase (a key enzyme for polyamine synthesis) was downregulated, while spermidine/spermine N1‑acetyltransferase (a key enzyme for polyamines degradation) was upregulated, which suggested that reduction of the polyamine metabolic pool particularly decreased spermine content, is a major factor in DN progression. In addition, hyperglycemia can induce an increased rat kidney weight ratio, serum creatinine, urea, urinary albumin excretion and glomerular cell matrix levels, and promote mesangial thickening and loss or fusion of podocytes. The expression levels of podocyte marker proteins (nephrin, CD2‑associated protein and podocin) and autophagy‑related proteins [autophagy protein 5, microtube‑associated proteins 1A/1B light chain 3 (LC3)II/LC3I, Beclin 1 and phosphorylated (p)‑AMPK] were downregulated, while cleaved caspase‑3, P62 and p‑mTOR were increased. These changes could be improved by pretreatment with exogenous spermine or rapamycin (autophagic agonist). In conclusion, spermine may have the potential to prevent diabetic kidney injury in rats by promoting autophagy via regulating the AMPK/mTOR signaling pathway.
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Affiliation(s)
- Xinying Zhang
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Li Zhang
- Department of Rehabilitation, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
| | - Zhe Chen
- Department of Infectious Diseases, General Hospital for The Head Office of Agricultural Cultivation of Heilongjiang, Harbin, Heilongjiang 150088, P.R. China
| | - Siwei Li
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Bingbing Che
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Ningning Wang
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Junting Chen
- Department of Anesthesiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Changqing Xu
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Can Wei
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
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Kudriaeva AA, Saratov GA, Kaminskaya AN, Vladimirov VI, Barzilovich PY, Belogurov AA. Polyamines Counteract Carbonate-Driven Proteasome Stalling in Alkaline Conditions. Biomolecules 2020; 10:biom10121597. [PMID: 33255475 PMCID: PMC7760842 DOI: 10.3390/biom10121597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 02/04/2023] Open
Abstract
Cancer cells tend to increase intracellular pH and, at the same time, are known to intensively produce and uptake polyamines such as spermine. Here, we show that various amines, including biogenic polyamines, boost the activity of proteasomes in a dose-dependent manner. Proteasome activity in the classical amine-containing buffers, such as 2-(N-morpholino)ethanesulfonic acid (MES), Tris, (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES), glycylglycine, bis-Tris propane, and bicine, has a skewed distribution with a maximum at pH of 7.0–8.0. The activity of proteasomes in buffers containing imidazole and bis-Tris is maintained almost on the same level, in the pH range of 6.5–8.5. The third type of activation is observed in buffers based on the amino acids arginine and ornithine, as well as the natural polyamines spermine and spermidine. Proteasome activity in these buffers is dramatically increased at pH values greater than 7.5. Anionic buffers such as phosphate or carbonate, in contrast, inhibit proteasome activity during alkalization. Importantly, supplementation of a carbonate–phosphate buffer with spermine counteracts carbonate-driven proteasome stalling in alkaline conditions, predicting an additional physiological role of polyamines in maintaining the metabolism and survival of cancer cells.
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Affiliation(s)
- Anna A. Kudriaeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (A.A.K.); (G.A.S.); (A.N.K.); (P.Y.B.)
| | - George A. Saratov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (A.A.K.); (G.A.S.); (A.N.K.); (P.Y.B.)
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
| | - Alena N. Kaminskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (A.A.K.); (G.A.S.); (A.N.K.); (P.Y.B.)
| | - Vasiliy I. Vladimirov
- Pushchino Branch of Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Petro Yu Barzilovich
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (A.A.K.); (G.A.S.); (A.N.K.); (P.Y.B.)
| | - Alexey A. Belogurov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (A.A.K.); (G.A.S.); (A.N.K.); (P.Y.B.)
- Faculty of Fundamental Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia
- Correspondence:
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Fischer M, Ruhnau J, Schulze J, Obst D, Flöel A, Vogelgesang A. Spermine and spermidine modulate T-cell function in older adults with and without cognitive decline ex vivo. Aging (Albany NY) 2020; 12:13716-13739. [PMID: 32603310 PMCID: PMC7377836 DOI: 10.18632/aging.103527] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 06/05/2020] [Indexed: 01/13/2023]
Abstract
The global increase in neurodegenerative disorders is one of the most crucial public health issues. Oral polyamine intake was shown to improve memory performance which is thought to be mediated at least in part via increased autophagy induced in brain cells. In Alzheimer’s Disease, T-cells were identified as important mediators of disease pathology. Since autophagy is a central regulator of cell activation and cytokine production, we investigated the influence of polyamines on T-cell activation, autophagy, and the release of Th1/Th2 cytokines from blood samples of patients (n=22) with cognitive impairment or dementia in comparison to healthy controls (n=12) ex vivo. We found that spermine downregulated all investigated cytokines in a dose-dependent manner. Spermidine led to an upregulation of some cytokines for lower dosages, while high dosages downregulated all cytokines apart from upregulated IL-17A. Autophagy and T-cell activation increased in a dose-dependent manner by incubation with either polyamine. Although effects in patients were seen in lower concentrations, alterations were similar to controls. We provide novel evidence that supplementation of polyamines alters the function of T-cells. Given their important role in dementia, these data indicate a possible mechanism by which polyamines would help to prevent structural and cognitive decline in aging.
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Affiliation(s)
| | - Johanna Ruhnau
- Department of Neurology, University Medicine, Greifswald, Germany
| | - Juliane Schulze
- Department of Neurology, University Medicine, Greifswald, Germany
| | - Daniela Obst
- Department of Neurology, University Medicine, Greifswald, Germany
| | - Agnes Flöel
- Department of Neurology, University Medicine, Greifswald, Germany
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Evaluation of polyamines as marker of melanoma cell proliferation and differentiation by an improved high-performance liquid chromatographic method. Amino Acids 2019; 51:1623-1631. [PMID: 31617109 DOI: 10.1007/s00726-019-02799-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 10/03/2019] [Indexed: 02/06/2023]
Abstract
The differentiation therapy is focused on the identification of new agents able to impair the proliferative and metastatic potential of cancer cells through the induction of differentiation. Although several markers of cell differentiation on tumor cells have been identified, their causal relationship with neoplastic competence has not been characterized in sufficient detail to propose their use as new pharmacological targets useful for the design of new differentiation agents. Polyamine level in cancer cells and in body fluids was proposed as potential marker of cell proliferation and differentiation. The main advantage of this marker is the possibility to evaluate the antineoplastic activity of new drugs able to induce cell differentiation and consequently to inhibit tumor growth and metastasis. The presented report shows a simply and highly reproducible reverse-phase high-performance liquid chromatographic (HPLC) method for the determination of ortho-phthalaldehyde (OPA) derivatives of polyamines: putrescine (PUT), cadaverine (CAD), spermidine (SPD) and spermine (SPM). The novelty of this method is the fluorescence response for OPA-derivate of SPM, generally low in other procedures, that has been significantly improved by the use of a fully endcapped packing material with minimal silanol interactions. The limits of detection for PUT, CAD, SPD and SPM were 0.6, 0.7, 0.8, and 0.4 pmol/mL, respectively. The analysis time was ≤ 20 min, and the relative recovery rate was of about 97%. To verify the usefulness of this method, it has been validated in a murine melanoma cell line (B16-F10) treated with two theophylline derivatives (namely 8-chlorotheophylline and 8-bromotheophylline). These two compounds increased the activity of tissue transglutaminase (TG2) and the synthesis of melanin, two recognized markers of melanoma cell differentiation, and significantly reduced the levels of intracellular polyamines.
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Sun L, Suo C, Li ST, Zhang H, Gao P. Metabolic reprogramming for cancer cells and their microenvironment: Beyond the Warburg Effect. Biochim Biophys Acta Rev Cancer 2018; 1870:51-66. [PMID: 29959989 DOI: 10.1016/j.bbcan.2018.06.005] [Citation(s) in RCA: 223] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 06/20/2018] [Accepted: 06/20/2018] [Indexed: 02/07/2023]
Abstract
While metabolic reprogramming of cancer cells has long been considered from the standpoint of how and why cancer cells preferentially utilize glucose via aerobic glycolysis, the so-called Warburg Effect, the progress in the following areas during the past several years has substantially advanced our understanding of the rewired metabolic network in cancer cells that is intertwined with oncogenic signaling. First, in addition to the major nutrient substrates glucose and glutamine, cancer cells have been discovered to utilize a variety of unconventional nutrient sources for survival. Second, the deregulated biomass synthesis is intertwined with cell cycle progression to coordinate the accelerated progression of cancer cells. Third, the reciprocal regulation of cancer cell's metabolic alterations and the microenvironment, involving extensive host immune cells and microbiota, have come into view as critical mechanisms to regulate cancer progression. These and other advances are shaping the current and future paradigm of cancer metabolism.
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Affiliation(s)
- Linchong Sun
- Laboratory of Cancer and Stem Cell metabolism, Guangzhou First Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China; CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Caixia Suo
- Laboratory of Cancer and Stem Cell metabolism, Guangzhou First Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Shi-Ting Li
- Laboratory of Cancer and Stem Cell metabolism, Guangzhou First Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China; CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Huafeng Zhang
- CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China.
| | - Ping Gao
- Laboratory of Cancer and Stem Cell metabolism, Guangzhou First Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China; CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China.
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Cho HE, Kang MH. pH gradient-liquid chromatography tandem mass spectrometric assay for determination of underivatized polyamines in cancer cells. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1085:21-29. [DOI: 10.1016/j.jchromb.2018.03.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/18/2018] [Accepted: 03/26/2018] [Indexed: 10/17/2022]
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Abstract
Abstract
Clinical practice and experimental studies have shown the necessity of sufficient quantities of folic acid intake for normal embryogenesis and fetal development in the prevention of neural tube defects (NTDs) and neurological malformations. So, women of childbearing age must be sure to have an adequate folate intake periconceptionally, prior to and during pregnancy. Folic acid fortification of all enriched cereal grain product flour has been implemented in many countries. Thus, hundreds of thousands of people have been exposed to an increased intake of folic acid. Folate plays an essential role in the biosynthesis of methionine. Methionine is the principal aminopropyl donor required for polyamine biosynthesis, which is up-regulated in actively growing cells, including cancer cells. Folates are important in RNA and DNA synthesis, DNA stability and integrity. Clinical and epidemiological evidence links folate deficiency to DNA damage and cancer. On the other hand, long-term folate oversupplementation leads to adverse toxic effects, resulting in the appearance of malignancy. Considering the relationship of polyamines and rapidly proliferating tissues (especially cancers), there is a need for better investigation of the relationship between the ingestion of high amounts of folic acid in food supplementation and polyamine metabolism, related to malignant processes in the human body.
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Kumar M, Kumar P. Protective effect of spermine against pentylenetetrazole kindling epilepsy induced comorbidities in mice. Neurosci Res 2017; 120:8-17. [DOI: 10.1016/j.neures.2017.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 02/03/2017] [Accepted: 02/08/2017] [Indexed: 01/18/2023]
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Chen Y, Huang Z, Zhao H, Xu JF, Sun Z, Zhang X. Supramolecular Chemotherapy: Cooperative Enhancement of Antitumor Activity by Combining Controlled Release of Oxaliplatin and Consuming of Spermine by Cucurbit[7]uril. ACS APPLIED MATERIALS & INTERFACES 2017; 9:8602-8608. [PMID: 28194936 DOI: 10.1021/acsami.7b01157] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Supramolecular chemotherapy is aimed to employ supramolecular approach for regulating the cytotoxicity and improving the efficiency of antitumor drugs. In this paper, we demonstrated a new example of supramolecular chemotherapy by utilizing the clinical antitumor drug, oxaliplatin, which is the specific drug for colorectal cancer treatment. Cytotoxicity of oxaliplatin to the colorectal normal cell could be significantly decreased by host-guest complexation between oxaliplatin and cucurbit[7]uril (CB[7]). More importantly, oxaliplatin-CB[7] exhibited cooperatively enhanced antitumor activity than oxaliplatin itself. On the one hand, the antitumor activity of oxaliplatin can reappear by competitive replacement of spermine from oxaliplatin-CB[7]; on the other hand, CB[7] can consume the overexpressed spermine in tumor environments, which is essential for tumor cell growth. These two events can lead to the cooperatively enhanced antitumor performance. Supramolecular chemotherapy can be applied to treat with spermine-overexpressed tumors. It is highly anticipated that this strategy may be employed in many other clinical antitumor drugs, which opens a new horizon of supramolecular chemotherapy for potential applications in clinical antitumor treatments.
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Affiliation(s)
| | - Zehuan Huang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Hanyang Zhao
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | | | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
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15
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Chen Y, Huang Z, Xu JF, Sun Z, Zhang X. Cytotoxicity Regulated by Host-Guest Interactions: A Supramolecular Strategy to Realize Controlled Disguise and Exposure. ACS APPLIED MATERIALS & INTERFACES 2016; 8:22780-22784. [PMID: 27548507 DOI: 10.1021/acsami.6b08295] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This work is aimed at providing a supramolecular strategy for tuning the cytotoxicity in chemotherapy. To this end, as a proof of concept, we employed dynamic cucurbit[7]uril(CB[7])-mediated host-guest interaction to control the loading and releasing of dimethyl viologen (MV) as a model antitumor agent. MV has high cytotoxicity to both normal cells and tumor cells without specificity. By encapsulating MV into the hydrophobic cavity of CB[7], the cytotoxicity of MV to normal cells can be significantly decreased. When the host-guest complex of MV-CB[7] is added into tumor cells with overexpressed spermine, the antitumor activity of MV can be recovered in tumor cell environment. There are two reasons behind this effect: on the one hand, spermine has a high affinity to CB[7], leading to releasing of MV from MV-CB[7]; on the other hand, CB[7] can soak up spermine, which is essential for tumor cell growth, therefore decreasing the cell viability furthermore. Then, it is highly anticipated that this kind of supramolecular strategy could apply to clinical antitumor agents and provide a new approach for decreasing the cytotoxicity and increasing the antitumor activity, thus opening horizons of supramolecular chemotherapy.
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Affiliation(s)
| | - Zehuan Huang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | | | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
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16
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Corbin JM, Ruiz-Echevarría MJ. One-Carbon Metabolism in Prostate Cancer: The Role of Androgen Signaling. Int J Mol Sci 2016; 17:E1208. [PMID: 27472325 PMCID: PMC5000606 DOI: 10.3390/ijms17081208] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 07/16/2016] [Accepted: 07/18/2016] [Indexed: 01/06/2023] Open
Abstract
Cancer cell metabolism differs significantly from the metabolism of non-transformed cells. This altered metabolic reprogramming mediates changes in the uptake and use of nutrients that permit high rates of proliferation, growth, and survival. The androgen receptor (AR) plays an essential role in the establishment and progression of prostate cancer (PCa), and in the metabolic adaptation that takes place during this progression. In its role as a transcription factor, the AR directly affects the expression of several effectors and regulators of essential catabolic and biosynthetic pathways. Indirectly, as a modulator of the one-carbon metabolism, the AR can affect epigenetic processes, DNA metabolism, and redox balance, all of which are important factors in tumorigenesis. In this review, we focus on the role of AR-signaling on one-carbon metabolism in tumorigenesis. Clinical implications of one-carbon metabolism and AR-targeted therapies for PCa are discussed in this context.
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Affiliation(s)
- Joshua M Corbin
- Department of Pathology, Oklahoma University Health Sciences Center, Oklahoma City, OK 73104, USA.
| | - Maria J Ruiz-Echevarría
- Department of Pathology, Oklahoma University Health Sciences Center and Stephenson Cancer Center, Oklahoma City, OK 73104, USA.
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17
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Kim GD, Kim TH, Park YS, Ahn HJ, Cho JJ, Park CS. Immune Response Against 2,4-Dinitrofluorobenzene-Induced Atopic Dermatitis-Like Clinical Manifestation is Suppressed by Spermidine in NC⁄Nga Mice. Scand J Immunol 2015; 81:221-8. [DOI: 10.1111/sji.12274] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 01/10/2015] [Indexed: 12/22/2022]
Affiliation(s)
- G.-D. Kim
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
| | - T.-H. Kim
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
| | - Y. S. Park
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
| | - H.-J. Ahn
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
| | - J.-J. Cho
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
| | - C.-S. Park
- Department of Microbiology; School of Medicine; Kyung Hee University; Seoul Korea
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18
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Ibáñez C, Simó C, Valdés A, Campone L, Piccinelli AL, García-Cañas V, Cifuentes A. Metabolomics of adherent mammalian cells by capillary electrophoresis-mass spectrometry: HT-29 cells as case study. J Pharm Biomed Anal 2015; 110:83-92. [PMID: 25818703 DOI: 10.1016/j.jpba.2015.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 02/27/2015] [Accepted: 03/03/2015] [Indexed: 01/05/2023]
Abstract
In this work, the optimization of an effective protocol for cell metabolomics is described with special emphasis in the sample preparation and subsequent analysis of intracellular metabolites from adherent mammalian cells by capillary electrophoresis-mass spectrometry. As case study, colon cancer HT-29 cells, a human cell model to investigate colon cancer, are employed. The feasibility of the whole method for cell metabolomics is demonstrated via a fast and sensitive profiling of the intracellular metabolites HT-29 cells by capillary electrophoresis-time-of-flight mass spectrometry (CE-TOF MS). The suitability of this methodology is further corroborated through the examination of the metabolic changes in the polyamines pathway produced in colon cancer HT-29 cells by difluoromethylornithine (DFMO), a known potent ornithine decarboxylase inhibitor. The selection of the optimum extraction conditions allowed a higher sample volume injection that led to an increase in CE-TOF MS sensitivity. Following a non-targeted metabolomics approach, 10 metabolites (namely, putrescine, ornithine, gamma-aminobutyric acid (GABA), oxidized and reduced glutathione, 5'-deoxy-5'-(methylthio)adenosine, N-acetylputrescine, cysteinyl-glycine, spermidine and an unknown compound) were found to be significantly altered by DFMO (p<0.05) in HT-29 cells. In addition to the effect of DFMO on polyamine metabolism, minor modifications of other metabolic pathways (e.g., related to intracellular thiol redox state) were observed.
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Affiliation(s)
- Clara Ibáñez
- Laboratory of Foodomics, Institute of Food Science Research (CIAL), CSIC, Nicolas Cabrera 9, Cantoblanco Campus, 28049 Madrid, Spain.
| | - Carolina Simó
- Laboratory of Foodomics, Institute of Food Science Research (CIAL), CSIC, Nicolas Cabrera 9, Cantoblanco Campus, 28049 Madrid, Spain.
| | - Alberto Valdés
- Laboratory of Foodomics, Institute of Food Science Research (CIAL), CSIC, Nicolas Cabrera 9, Cantoblanco Campus, 28049 Madrid, Spain.
| | - Luca Campone
- Dipartimento di Farmacia, University of Salerno, Via Giovanni Paolo II 132, 84084, Fisciano (SA), Italy.
| | - Anna Lisa Piccinelli
- Dipartimento di Farmacia, University of Salerno, Via Giovanni Paolo II 132, 84084, Fisciano (SA), Italy.
| | - Virginia García-Cañas
- Laboratory of Foodomics, Institute of Food Science Research (CIAL), CSIC, Nicolas Cabrera 9, Cantoblanco Campus, 28049 Madrid, Spain.
| | - Alejandro Cifuentes
- Laboratory of Foodomics, Institute of Food Science Research (CIAL), CSIC, Nicolas Cabrera 9, Cantoblanco Campus, 28049 Madrid, Spain.
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Häkkinen MR, Roine A, Auriola S, Tuokko A, Veskimäe E, Keinänen TA, Lehtimäki T, Oksala N, Vepsäläinen J. Analysis of free, mono- and diacetylated polyamines from human urine by LC–MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 941:81-9. [DOI: 10.1016/j.jchromb.2013.10.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 10/08/2013] [Accepted: 10/08/2013] [Indexed: 10/26/2022]
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Soda K, Kano Y, Chiba F, Koizumi K, Miyaki Y. Increased polyamine intake inhibits age-associated alteration in global DNA methylation and 1,2-dimethylhydrazine-induced tumorigenesis. PLoS One 2013; 8:e64357. [PMID: 23696883 PMCID: PMC3655973 DOI: 10.1371/journal.pone.0064357] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2012] [Accepted: 04/12/2013] [Indexed: 11/18/2022] Open
Abstract
Polyamines (spermine and spermidine) play many important roles in cellular function and are supplied from the intestinal lumen. We have shown that continuous high polyamine intake inhibits age-associated pathologies in mice. The mechanism by which polyamines elicit these effects was examined. Twenty-four week old Jc1:ICR male mice were fed one of three experimental chows containing different polyamine concentrations. Lifetime intake of high polyamine chow, which had a polyamine content approximately three times higher than regular chow, elevated polyamine concentrations in whole blood, suppressed age-associated increases in pro-inflammatory status, decreased age-associated pathological changes, inhibited age-associated global alteration in DNA methylation status and reduced the mortality in aged mice. Exogenous spermine augmented DNA methyltransferase activity in Jurkat and HT-29 cells and inhibited polyamine deficiency-induced global alteration in DNA methylation status in vitro. In addition, increased polyamine intake was associated with a decreased incidence of colon tumors in BALB/c mice after 1,2-demethylhydrazine administration; 12 mice (60%) in the low polyamine group developed tumors, compared with only 5 mice (25%) in the high polyamine group (Fisher's exact probability = 0.027, p = 0.025). However, increased polyamine intake accelerated the growth of established tumors; maximal tumor diameter in the Low and High groups was 3.85±0.90 mm and 5.50±1.93 mm, respectively (Mann-Whitney test, p = 0.039). Spermine seems to play important roles in inhibiting age-associated and polyamine-deficient induced abnormal gene methylation as well as pathological changes including tumorigenesis.
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Affiliation(s)
- Kuniyasu Soda
- Department of Cardiovascular Research Institute, Saitama Medical Center, Jichi Medical University, Saitama-city, Saitama, Japan.
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Soda K, Kano Y, Chiba F. Food polyamine and cardiovascular disease--an epidemiological study. Glob J Health Sci 2012; 4:170-8. [PMID: 23121753 PMCID: PMC4776963 DOI: 10.5539/gjhs.v4n6p170] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 09/28/2012] [Indexed: 12/01/2022] Open
Abstract
The purpose of this study was to examine the contribution of dietary polyamines toward preventing cardiovascular disease (CVD). Age-standardized mortality rates as well as other relevant information regarding individuals with CVD were gathered from the World Health Organization and the International Monetary Fund in 48 different European and other Western countries. Food supply data were collected from the database of the United Nations, and the amount of dietary polyamines was estimated by using polyamine concentrations in foods from published sources. The association between CVD mortality and the amount of polyamines was investigated by performing a series of multiple linear regression analyses. Analyses using factors known to modulate the risk of CVD including: Gross Domestic Product (GDP) (standardized regression coefficient (r) = -0.786, p < 0.001) and the amount of fruits, vegetable, nuts, and beans (r = -0.183, p = 0.001) but not including polyamines, showed negative associations with CVD, while smoking rate (r = 0.139, p = 0.041) and whole milk amount (r = 0.131, p = 0.028) showed positive associations with CVD. When the amount of polyamines was added to the analyses as a covariate, GDP (r = -0.864, p < 0.001) and polyamines (r = -0.355, p = 0.007) showed negative associations with CVD, while smoking rate (r = 0.183, p = 0.006) and whole milk (r = 0.113, p = 0.041) showed positive associations with CVD. The inverse association between dietary polyamines and CVD mortality revealed by the present study merits further evaluation.
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Affiliation(s)
- Kuniyasu Soda
- Department of Cardiovascular Research Institute, Jichi Medical University, Saitama, Japan.
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22
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Soda K. The mechanisms by which polyamines accelerate tumor spread. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2011; 30:95. [PMID: 21988863 PMCID: PMC3206444 DOI: 10.1186/1756-9966-30-95] [Citation(s) in RCA: 182] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Accepted: 10/11/2011] [Indexed: 11/23/2022]
Abstract
Increased polyamine concentrations in the blood and urine of cancer patients reflect the enhanced levels of polyamine synthesis in cancer tissues arising from increased activity of enzymes responsible for polyamine synthesis. In addition to their de novo polyamine synthesis, cells can take up polyamines from extracellular sources, such as cancer tissues, food, and intestinal microbiota. Because polyamines are indispensable for cell growth, increased polyamine availability enhances cell growth. However, the malignant potential of cancer is determined by its capability to invade to surrounding tissues and metastasize to distant organs. The mechanisms by which increased polyamine levels enhance the malignant potential of cancer cells and decrease anti-tumor immunity are reviewed. Cancer cells with a greater capability to synthesize polyamines are associated with increased production of proteinases, such as serine proteinase, matrix metalloproteinases, cathepsins, and plasminogen activator, which can degrade surrounding tissues. Although cancer tissues produce vascular growth factors, their deregulated growth induces hypoxia, which in turn enhances polyamine uptake by cancer cells to further augment cell migration and suppress CD44 expression. Increased polyamine uptake by immune cells also results in reduced cytokine production needed for anti-tumor activities and decreases expression of adhesion molecules involved in anti-tumor immunity, such as CD11a and CD56. Immune cells in an environment with increased polyamine levels lose anti-tumor immune functions, such as lymphokine activated killer activities. Recent investigations revealed that increased polyamine availability enhances the capability of cancer cells to invade and metastasize to new tissues while diminishing immune cells' anti-tumor immune functions.
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Affiliation(s)
- Kuniyasu Soda
- Department of Surgery and Cardiovascular Research Institute, Saitama Medical Center, Jichi Medical University, 1-847 Amanuma, Omiya, Saitama-city, Saitama 330-0834, Japan.
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23
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Önal A. Current Status of Polyamine and Polyamine Analogs Analysis in Cancer Research. Crit Rev Anal Chem 2010. [DOI: 10.1080/10408340903018486] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Treharne KJ, Xu Z, Chen JH, Best OG, Cassidy DM, Gruenert DC, Hegyi P, Gray MA, Sheppard DN, Kunzelmann K, Mehta A. Inhibition of protein kinase CK2 closes the CFTR Cl channel, but has no effect on the cystic fibrosis mutant deltaF508-CFTR. Cell Physiol Biochem 2009; 24:347-60. [PMID: 19910675 DOI: 10.1159/000257427] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2009] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Deletion of phenylalanine-508 (DeltaF508) from the first nucleotide-binding domain (NBD1) in the wild-type cystic fibrosis (CF) transmembrane-conductance regulator (wtCFTR) causes CF. However, the mechanistic relationship between DeltaF508-CFTR and the diversity of CF disease is unexplained. The surface location of F508 on NBD1 creates the potential for protein-protein interactions and nearby, lies a consensus sequence (SYDE) reported to control the pleiotropic protein kinase CK2. METHODS Electrophysiology, immunofluorescence and biochemistry applied to CFTR-expressing cells, Xenopus oocytes, pancreatic ducts and patient biopsies. RESULTS Irrespective of PKA activation, CK2 inhibition (ducts, oocytes, cells) attenuates CFTR-dependent Cl(-) transport, closing wtCFTR in cell-attached membrane patches. CK2 and wtCFTR co-precipitate and CK2 co-localized with wtCFTR (but not DeltaF508-CFTR) in apical membranes of human airway biopsies. Comparing wild-type and DeltaF508CFTR expressing oocytes, only DeltaF508-CFTR Cl(-) currents were insensitive to two CK2 inhibitors. Furthermore, wtCFTR was inhibited by injecting a peptide mimicking the F508 region, whereas the DeltaF508-equivalent peptide had no effect. CONCLUSIONS CK2 controls wtCFTR, but not DeltaF508-CFTR. Others find that peptides from the F508 region of NBD1 allosterically control CK2, acting through F508. Hence, disruption of CK2-CFTR interaction by DeltaF508-CFTR might disrupt multiple, membrane-associated, CK2-dependent pathways, creating a new molecular disease paradigm for deleted F508 in CFTR.
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Affiliation(s)
- Kate J Treharne
- Centre for Cardiovascular and Lung Biology, University of Dundee, Ninewells Hospital, UK
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25
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Polyamine-rich food decreases age-associated pathology and mortality in aged mice. Exp Gerontol 2009; 44:727-32. [PMID: 19735716 DOI: 10.1016/j.exger.2009.08.013] [Citation(s) in RCA: 142] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2008] [Revised: 06/22/2009] [Accepted: 08/21/2009] [Indexed: 12/17/2022]
Abstract
The purpose of this study was to test whether oral intake of foods rich in polyamines (spermine and spermidine) suppresses age-associated pathology in aged mice. Synthetic polyamines were mixed into experimental chows, and 24-week-old Jc1:ICR male mice were fed one of three chows containing differing polyamine concentrations. The spermine and spermidine concentrations in the low, normal, and high polyamine chows were 143 and 224 nmol/g, 160 and 434 nmol/g, and 374 and 1540 nmol/g, respectively. An increase in concentration of polyamine in the blood was found only in mice fed the high polyamine chow at 50 weeks of age. While the body weights of mice in all three groups were similar, the survival rate of mice fed high polyamine chow was significantly higher than those in the other two groups (p=0.011). Mice fed the high polyamine chow analyzed at 88 weeks of age, corresponding to the end of the study, demonstrated lower incidence of glomerulosclerosis and increased expression of senescence marker protein-30 in both kidney and liver compared to those fed the low polyamine chow. As these pathological changes are associated with senescence, oral polyamine appears to inhibit the progression of age-associated pathologies.
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26
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Boudonck KJ, Mitchell MW, Német L, Keresztes L, Nyska A, Shinar D, Rosenstock M. Discovery of metabolomics biomarkers for early detection of nephrotoxicity. Toxicol Pathol 2009; 37:280-92. [PMID: 19380839 DOI: 10.1177/0192623309332992] [Citation(s) in RCA: 182] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Drug-induced nephrotoxicity is a major concern, since many pharmacological compounds are filtered through the kidneys for excretion into urine. To discover biochemical biomarkers useful for early identification of nephrotoxicity, metabolomic experiments were performed on Sprague-Dawley Crl:CD (SD) rats treated with the nephrotoxins gentamicin, cisplatin, or tobramycin. Using a combination of gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/mass spectrometry (LC/MS), a global, nontargeted metabolomics analysis was performed on urine and kidney samples collected after one, five, and twenty-eight dosing days. Increases in polyamines and amino acids were observed in urine from drug-treated rats after a single dose, and prior to observable histological kidney damage and conventional clinical chemistry indications of nephrotoxicity. Thus, these metabolites are potential biomarkers for the early detection of drug-induced nephrotoxicity. Upon prolonged dosing, nephrotoxin-induced changes included a progressive loss of amino acids in urine, concomitant with a decrease in amino acids and nucleosides in kidney tissue. A nephrotoxicity prediction model, based on the levels of branched-chain amino acids in urine, distinguished nephrotoxin-treated samples from vehicle-control samples, with 100%, 93%, and 70% accuracy at day 28, day 5, and day 1, respectively. Thus, this panel of biomarkers may provide a noninvasive method to detect kidney injury long before the onset of histopathological kidney damage.
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Treharne KJ, Crawford RM, Xu Z, Chen JH, Best OG, Schulte EA, Gruenert DC, Wilson SM, Sheppard DN, Kunzelmann K, Mehta A. Protein Kinase CK2, Cystic Fibrosis Transmembrane Conductance Regulator, and the ΔF508 Mutation. J Biol Chem 2007; 282:10804-13. [PMID: 17289674 DOI: 10.1074/jbc.m610956200] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Deletion of phenylalanine 508 (DeltaF508) from the first nucleotide-binding domain (NBD1) of the cystic fibrosis transmembrane conductance regulator (CFTR) is the most common mutation in cystic fibrosis. The F508 region lies within a surface-exposed loop that has not been assigned any interaction with associated proteins. Here we demonstrate that the pleiotropic protein kinase CK2 that controls protein trafficking, cell proliferation, and development binds wild-type CFTR near F508 and phosphorylates NBD1 at Ser-511 in vivo and that mutation of Ser-511 disrupts CFTR channel gating. Importantly, the interaction of CK2 with NBD1 is selectively abrogated by the DeltaF508 mutation without disrupting four established CFTR-associated kinases and two phosphatases. Loss of CK2 association is functionally corroborated by the insensitivity of DeltaF508-CFTR to CK2 inhibition, the absence of CK2 activity in DeltaF508 CFTR-expressing cell membranes, and inhibition of CFTR channel activity by a peptide that mimics the F508 region of CFTR (but not the equivalent DeltaF508 peptide). Disruption of this CK2-CFTR association is the first described DeltaF508-dependent protein-protein interaction that provides a new molecular paradigm in the most frequent form of cystic fibrosis.
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Affiliation(s)
- Kate J Treharne
- Department of Maternal and Child Health Sciences, University of Dundee, Ninewells Hospital, Dundee DD1 9SY, Scotland, United Kingdom
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Park JY, Kim BC, Park SM. Molecular recognition of protonated polyamines at calix[4]crown-5 self-assembled monolayer modified electrodes by impedance measurements. Anal Chem 2007; 79:1890-6. [PMID: 17253660 DOI: 10.1021/ac061966h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Molecular recognition of protonated aliphatic polyamines has been studied at calix[4]crown-5 self-assembled monolayer modified gold electrodes by electrochemical impedance spectroscopic (EIS) experiments. The energy of complex formation between the calix [4]crown-5 molecule and a series of alkyl ammonium ions was shown by molecular modeling and EIS experiments to depend on the number of amine groups in the alkyl chain as well as the number of methylene groups between the amine groups. The structures of complexes formed between the crown ether on the lower rim of calix[4]arene and protonated amines were determined by minimizing the complex formation energies. The adducts thus formed on the SAM rendered the electron transfer from the electrode to the probe (Fe(CN)63-/4- pair) easier or more difficult depending on the number of ammonium groups and their arrangement in linear alkyl chains. Analytical procedures have been developed to detect protonated spermidine (a recognized cancer marker) in simulated urine, blood, erythrocyte, and cerebrospinal fluids.
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Affiliation(s)
- Jin-Young Park
- Department of Chemistry and Center for Integrated Molecular Systems, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, Korea
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Huang Y, Keen JC, Pledgie A, Marton LJ, Zhu T, Sukumar S, Park BH, Blair B, Brenner K, Casero RA, Davidson NE. Polyamine analogues down-regulate estrogen receptor alpha expression in human breast cancer cells. J Biol Chem 2006; 281:19055-63. [PMID: 16679312 PMCID: PMC3623667 DOI: 10.1074/jbc.m600910200] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The critical role of polyamines in cell growth has led to the development of a number of agents that interfere with polyamine metabolism including a novel class of polyamine analogues, oligoamines. Here we demonstrate that oligoamines specifically suppress the mRNA and protein expression of estrogen receptor alpha (ERalpha) and ERalpha target genes in ER-positive human breast cancer cell lines, whereas neither ERbeta nor other steroid hormonal receptors are affected by oligoamines. The constitutive expression of a cytomegalovirus promoter-driven exogenous ERalpha in ER-negative MDA-MB-231 human breast cancer cells was not altered by oligoamines, suggesting that oligoamines specifically suppress ERalpha transcription rather than affect mRNA or protein stability. Further analysis demonstrated that oligoamines disrupted the DNA binding activity of Sp1 transcription factor family members to an ERalpha minimal promoter element containing GC/CA-rich boxes. Treatment of MDA-MB-231 cells with the JNK-specific inhibitor SP600125 or expression of the c-Jun dominant negative inhibitor TAM67 blocked the oligoamine-activated JNK/c-Jun pathway and enhanced oligoamine-inhibited ERalpha expression, suggesting that AP-1 is a positive regulator of ERalpha expression and that oligoamine-activated JNK/AP-1 activity may antagonize the down-regulation of ERalpha induced by oligoamines. Taken together, these results suggest a novel antiestrogenic mechanism for specific polyamine analogues in human breast cancer cells.
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Affiliation(s)
- Yi Huang
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Judith C. Keen
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Allison Pledgie
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | | | - Tao Zhu
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Saraswati Sukumar
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Ben Ho Park
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Brian Blair
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Keith Brenner
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Robert A. Casero
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
| | - Nancy E. Davidson
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231
- To whom correspondence should be addressed: Breast Cancer Program, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, 1650 Orleans St., Rm. 409, Baltimore, MD 21231. Tel.: 410-955-8489; Fax: 410-614-4073;
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Gugliucci A. Polyamines as clinical laboratory tools. Clin Chim Acta 2005; 344:23-35. [PMID: 15149868 DOI: 10.1016/j.cccn.2004.02.022] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2004] [Revised: 02/25/2004] [Accepted: 02/25/2004] [Indexed: 12/12/2022]
Abstract
Since their discovery by Antoni van Leeuwenhoek in 1678 until the recent development of transgenic mice expressing proteins altering polyamine levels in a tissue-specific manner, polyamines have been the object of intense research efforts which have shed light on several biological and pathological processes. From the discovery of a particular form of proteasome regulation of the catabolism of the key regulatory enzyme in their synthetic pathway, to the experimental cancer treatment or prevention with polyamine antagonists or inhibitors of the latter enzyme, a whole spectrum of interests can be revealed. Still, many aspects of their functions remain elusive and difficulties inherent in their analysis, which relies on sophisticated high-performance liquid chromatographic (HPLC) methods, and the lack of standardization; have hampered the transit from the research realm to the standard clinical laboratory domain. Their assay in biological fluids has been used for cancer diagnosis and for monitoring anticancer treatment. In this article, we attempt to provide an overview of polyamine structure, nutritional value, metabolism, and physiological roles. Next, we will summarize the main analytical methods on which we count, and finally we will address their role in diagnosis of cancer as well their proposed role as antioxidant and antiglycation agents.
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Affiliation(s)
- A Gugliucci
- Laboratory of Biochemistry, Division of Basic Medical Sciences, Touro University College of Osteopathic Medicine, 1310 Johnson Lane, Mare Island, Vallejo, CA 94592, USA.
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Liu G, Chen J, Ma Y. Simultaneous determination of catecholamines and polyamines in PC-12 cell extracts by micellar electrokinetic capillary chromatography with ultraviolet absorbance detection. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 805:281-8. [PMID: 15135102 DOI: 10.1016/j.jchromb.2004.03.011] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2003] [Revised: 03/03/2004] [Accepted: 03/05/2004] [Indexed: 11/25/2022]
Abstract
A method for simultaneous determination of polyamines and catecholamines in cell extracts by micellar electrokinetic capillary chromatography with UV detection at 254 nm was established at the first time. The polyamines (putrescine, spermidine and spermine) and catecholamines (dopamine, serotonin, norepinephrine and epinephrine) were extracted from PC-12 cells and were derivatized with 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate. Different derivatization conditions such as temperature, ratio of derivatization reagents and incubation time were investigated to find the best reaction condition which gave the highest detection sensitivity for polyamines and catecholamines. The influence of running buffer and additives on the separation such as pH, sodium dodecyl sulfate (SDS) concentrations and various additives was also investigated. Separation was achieved within 20 min with good repeatability in a 100mM boric acid buffer containing 10mM SDS and 10mM 18-crown-6 at a pH of 9.5. The detection limit ranged from 1.0 x 10(-7) to 9.0 x 10(-7) M, which is sufficient for determination of polyamines and catecholamines in many cell extracts. This technique can be easily applied to polyamine-related anticancer drug studies or clinical follow-ups after each dosage of these anticancer drugs, since these drugs not only have great inhibition on polyamine levels in blood, but also have a large influence on catecholamine levels in blood.
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Affiliation(s)
- Guanshu Liu
- Department of Chemistry, University of Missouri-Rolla, MO 65409, USA
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Medina MA, Urdiales JL, Rodríguez-Caso C, Ramírez FJ, Sánchez-Jiménez F. Biogenic amines and polyamines: similar biochemistry for different physiological missions and biomedical applications. Crit Rev Biochem Mol Biol 2003; 38:23-59. [PMID: 12641342 DOI: 10.1080/713609209] [Citation(s) in RCA: 149] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Biogenic amines are organic polycations derived from aromatic or cationic amino acids. All of them have one or more positive charges and a hydrophobic skeleton. Nature has evolved these molecules to play different physiological roles in mammals, but maintains similar patterns for their metabolic and intracellular handling. As deduced from this review, many questions still remain to be solved around their biochemistry and molecular biology, blocking our aims to control the relevant pathologies in which they are involved (cancer and immunological, neurological, and gastrointestinal diseases). Advances in this knowledge are dispersed among groups working on different biomedical areas. In these pages, we put together the most relevant information to remark how fruitful it can be to learn from Nature and to take advantage of the biochemical similarities (key protein structures and their regulation data on metabolic interplays and binding properties) to generate new hypothesis and develop different biomedical strategies based on biochemistry and molecular biology of these compounds.
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Teti D, Visalli M, McNair H. Analysis of polyamines as markers of (patho)physiological conditions. J Chromatogr B Analyt Technol Biomed Life Sci 2002; 781:107-49. [PMID: 12450656 DOI: 10.1016/s1570-0232(02)00669-4] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The aliphatic polyamines, putrescine, spermidine and spermine, are normal cell constituents that play important roles in cell proliferation and differentiation. The equilibrium between cellular uptake and release and the balanced activities of biosynthetic and catabolic enzymes of polyamines are essential for normal homeostasis in the proliferation and functions of cells and tissues. However, the intracellular polyamine content increases in hyperplastic or neoplastic growth. Although the involvement of polyamines in physiological and pathological cell proliferation and differentiation has been well established, the role they play is quite different in relation to cell systems and animal models and is dependent on inducer agents and stimuli. Also, the experimental procedures used to deplete polyamines have been shown to influence the cell responses. In this paper, the assay methods currently in use for polyamines are reviewed and compared with respect to sensitivity, reproducibility and applicability to routine analysis. The relevance of polyamine metabolism and the uptake/release process in many physiological and pathological processes is highlighted, and the cellular polyamine pathways are discussed in relation to the possible diagnostic and therapeutic significance of these mediators.
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Affiliation(s)
- Diana Teti
- Department of Experimental Pathology and Microbiology, Section of Experimental Pathology, Azienda Policlinico Universitario, Torre Biologica, IV piano, Via Consolare Valeria, 98125 Messina, Italy.
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Gomes-Trolin C, Nygren I, Aquilonius SM, Askmark H. Increased red blood cell polyamines in ALS and Parkinson's disease. Exp Neurol 2002; 177:515-20. [PMID: 12429196 DOI: 10.1006/exnr.2002.7952] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The polyamines spermidine (SPD) and spermine (SPM) are implicated in nerve cell degeneration and regeneration. Over 70% of circulating polyamines are associated with red blood cells (RBC). Against this background we have analysed RBC polyamines in two neurodegenerative disorders, amyotrophic lateral sclerosis (ALS) and Parkinson's disease (PD). Twenty patients with the sporadic form of ALS, 20 patients with PD, and 20 healthy controls were studied. The highest levels of SPD and SPM were found in the PD group where the mean values were 134 and 115%, respectively, above those of the controls. The patients with PD also presented the lowest levels of the SPD precursor, putrescine (PUTR). In the patients suffering from ALS the SPD and SPM mean levels were increased by 46 and 112%, respectively. The RBC SPD/SPM ratio in the patients suffering from PD was significantly elevated in comparison with that of ALS patient group, suggesting a different involvement of the polyamine system in these disorders. It is at present unknown if raised polyamine levels may contribute to induce the degeneration of susceptible neurons or if the increase represents a compensatory protective reaction, or simply an unspecific epiphenomenon.
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Affiliation(s)
- C Gomes-Trolin
- Department of Neuroscience and Neurology, University Hospital, S-751 85, Uppsala, Sweden
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Khuhawar MY, Qureshi GA. Polyamines as cancer markers: applicable separation methods. JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL SCIENCES AND APPLICATIONS 2001; 764:385-407. [PMID: 11817039 DOI: 10.1016/s0378-4347(01)00395-4] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Spermine, spermidine, putrescine and cadaverine are aliphatic amines widely spread in the human body. Their concentrations together with their acetyl conjugates increase significantly in the biological fluids and the affected tissues of cancer patients. Their concentrations decrease with the improvement in the patient's condition on multiple therapy. Various chromatographic techniques are frequently used in monitoring concentrations of di- and polyamines in cancer. Among these techniques, thin-layer chromatography and liquid chromatography using pre- or postcolumn derivatization, separating on a reversed-phase or an ion-exchange column are the most commonly used. Besides, high-resolution capillary column gas chromatography (GC) is increasingly used over packed column GC, and in recent years, capillary zone electrophoresis has also gained some importance in polyamine determinations. The review examines the prospects and the limitations of polyamines as cancer markers using chromatographic and electrophoretic techniques.
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Affiliation(s)
- M Y Khuhawar
- Dr. M.A. Kazi Institute of Chemistry, University of Sindh, Jamshoro, Pakistan
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Ernestus RI, Röhn G, Schröder R, Els T, Paschen W, Klug N. Polyamine metabolism in brain tumours: diagnostic relevance of quantitative biochemistry. J Neurol Neurosurg Psychiatry 2001; 71:88-92. [PMID: 11413269 PMCID: PMC1737459 DOI: 10.1136/jnnp.71.1.88] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE Activation of polyamine metabolism is closely associated with cellular proliferation. The purpose was to investigate whether the content of the polyamines putrescine, spermidine, and spermine, and the activity of the first metabolic key enzyme of polyamine metabolism, ornithine decarboxylase (ODC), represent biochemical markers of malignancy in brain tumours. METHODS The concentration of putrescine, spermidine, and spermine, and the activity of ODC were biochemically quantified in tissue samples obtained during open microsurgery of 670 patients with brain tumours. Biochemical analysis and histopathological classification were carried out in serial tumour samples. RESULTS The activity of ODC was very low in peritumoral non-neoplastic brain tissue (0.9 (SD 0.6) nmol/g/h). It was significantly higher in gliomas and it significantly increased with a higher grade of malignancy (grade I 2.7 (2.8) nmol/g/h, grade II 3.1 (4.0) nmol/g/h, grade III 5.7 (5.6) nmol/g/h, grade IV 10.6 (11.7) nmol/g/h). High enzyme activity was also found in medulloblastomas (25.5 (15.1) nmol/g/h), malignant lymphomas (52.1 (42.1) nmol/g/h), and metastases from carcinoma (14.9 (22.1) nmol/g/h). Lowest values were measured in epidermoid cysts (0.5 (0.2) nmol/g/h), craniopharyngiomas (1.2 (0.9) nmol/g/h), angioblastomas (1.6 (1.7) nmol/g/h), and neurinomas (2.0 (1.8) nmol/g/h). By contrast with ODC activity, polyamine concentrations did not correlate with the grade of malignancy. Correlation of regional biochemical and histomorphological data in rapidly growing neoplasms showed high enzyme activity in solid tumour parts and low activity in necrotic areas. CONCLUSIONS Novel data relating ODC activation and polyamine concentrations to neuropathology is presented indicating that high ODC activity represents a biochemical marker of malignancy in brain tumours. This information is important for clinical and therapeutic investigations.
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Affiliation(s)
- R I Ernestus
- Department of Neurosurgery, University of Cologne, Joseph-Stelzmann- Strasse 9, D-50924 Köln, Germany.
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Klekner A, Röhn AG, Schillinger G, Schröder R, Klug N, Ernestus RI. ODC mRNA as a prognostic factor for predicting recurrence in meningiomas. J Neurooncol 2001; 53:67-75. [PMID: 11678434 DOI: 10.1023/a:1011878928318] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
In proliferating neoplastic cells, activity of the enzyme ornithine decarboxylase (ODC) increases. Among other brain tumors, ODC activation could also be observed in meningiomas. In the present study, we have investigated ODC gene expression in primary and recurrent meningiomas at the transcriptional level. ODC mRNA (messenger ribonucleic acid), ODC activity, number of mitoses, and Ki-67 index as a marker for nuclear proliferation were quantified in three different groups of meningiomas: tumors without recurrence in a 8.4 years median follow-up period, tumors with recurrence within a median follow-up of 3.0 years, and their corresponding recurrent tumors. ODC mRNA level was significantly higher in meningiomas with later recurrence as compared to meningiomas without recurrence (p < or = 0.01), whereas it declined in the recurrences of the second group (p < or = 0.001). In contrast, ODC activity showed no difference between the two groups of primary tumors, but a significant increase of enzyme activity could be observed in the recurrences as compared to the correponding primary tumors (p < or = 0.001). Likewise, an increase of the Ki-67 index could be detected in the recurrent group (p < or = 0.001). These results suggest that ODC mRNA may represent a prognostic factor for predicting recurrence in meningiomas.
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Affiliation(s)
- A Klekner
- Department of Neurosurgery, University of Cologne, Germany
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39
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Choi MH, Kim KR, Kim YT, Chung BC. Increased Polyamine Concentrations in the Hair of Cancer Patients. Clin Chem 2001. [DOI: 10.1093/clinchem/47.1.143] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Man Ho Choi
- Bioanalysis & Biotransformation Research Center, Korea Institute of Science and Technology, Seoul 130-650, Korea
- College of Pharmacy, Sungkyunkwan University, 440-746 Suwon, Korea
| | - Kyoung Rae Kim
- College of Pharmacy, Sungkyunkwan University, 440-746 Suwon, Korea
| | - Young Tae Kim
- College of Medicine, Yonsei University, 120-749 Seoul, Korea
| | - Bong Chul Chung
- Bioanalysis & Biotransformation Research Center, Korea Institute of Science and Technology, Seoul 130-650, Korea
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Abstract
The polyamines spermine, spermidine, and putrescine are small organic molecules one or more of which are present in all living organisms. Many natural products contain polyamine residues. Polyamines are synthesized by a highly regulated pathway from arginine or ornithine and also can be transported in and out of cells. Polyamines are degraded to a variety of compounds the functions of which are largely unknown. Polyamines influence the transcriptional and translational stages of protein synthesis, stabilize membranes, and, in mammalian systems, modulate neurophysiological functions and may act as intracellular messengers. However, at the molecular level the mode of action of the polyamines is largely unknown.
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41
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Bernstein HG, Müller M. The cellular localization of the L-ornithine decarboxylase/polyamine system in normal and diseased central nervous systems. Prog Neurobiol 1999; 57:485-505. [PMID: 10215098 DOI: 10.1016/s0301-0082(98)00065-3] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Natural polyamines, spermidine and spermine, and their precursor putrescine, are of considerable importance for the developing and mature nervous system. They exhibit a number of neurophysiological and metabolic effects in the nervous system, including control of nucleic acid and protein synthesis, modulation of ionic channels and calcium-dependent transmitter release. The polyamine system is also known to be involved in various brain pathologic events (seizures, stroke, Alzheimer's disease and others). While cerebral polyamine concentrations and the activities of polyamine-metabolizing enzymes have been studied in great detail, much less is known about the cells that are responsible for cerebral polyamine synthesis and interconversion. With the present review the attempt is made to show how exact knowledge about the regional distribution and cellular localization of polyamines and the polyamine-synthesizing enzymatic machinery (and especially of L-ornithine decarboxylase) may help to better understand the functional interplay between polyamines and other endogenous agents (transmitters, receptors, growth factors neuroactive drugs etc.). Polyamines have been localized both in neurones and glial cells. However, the main cellular locus of the ODC is the neuron--both in the immature and adult central nervous system. Each period of normal brain development and ageing seems to have its own, characteristic temporo-spatial pattern of neuronal ODC expression. During strong functional activation (kindling, epileptic seizures, neural transplantation) astrocytes and other non-neuronal cells do also express ODC and other polyamine-metabolizing enzymes. Astroglial expression of ODC is accompanied by an increase in glial fibrillary acidic protein in these cells. This shift in the cellular mechanisms of polyamine metabolism is currently far from being understood. In human brain diseases (Alzheimer's disease, schizophrenia) certain neurones show an increased expression of ODC, the first and rate-limiting enzyme of polyamine metabolism. Since polyamines are structurally related to psychoactive drugs (neuroleptics, antidepressants) the polyamine system might be of importance as a putative target for drug intervention in psychiatry.
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Affiliation(s)
- H G Bernstein
- Department of Psychiatry, University of Magdeburg, Germany.
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42
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Kubo S, Tamori A, Nishiguchi S, Kinoshita H, Hirohashi K, Kuroki T, Omura T, Otani S. Effect of alcohol abuse on polyamine metabolism in hepatocellular carcinoma and noncancerous hepatic tissue. Surgery 1998. [PMID: 9481407 DOI: 10.1016/s0039-6060(98)70259-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hammann C, Hormes R, Sczakiel G, Tabler M. A spermidine-induced conformational change of long-armed hammerhead ribozymes: ionic requirements for fast cleavage kinetics. Nucleic Acids Res 1997; 25:4715-22. [PMID: 9365249 PMCID: PMC147112 DOI: 10.1093/nar/25.23.4715] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The catalytic activity of the trans cleaving hammerhead ribozyme 2as-Rz12, with long antisense flanks of 128 and 278 nt, was tested under a wide range of different reaction conditions for in vitro cleavage of a 422 nt RNA transcript derived from human immunodeficiency virus type 1 (HIV-1). Depending on the reaction conditions, in vitro cleavage rates varied by a factor of approximately 100. Increasing concentrations of magnesium up to 1 M were found to enhance the reaction. Sodium when added simultaneously with magnesium showed an inhibitory effect on the cleavage reaction. Addition of sodium during pre-annealing, however, produced a stimulating effect. It was found that the additional inclusion of spermidine during pre-annealing further increased the reaction rate markedly. In accordance with accelerated cleavage, it was possible to identify a distinct, spermidine-induced conformer of the ribozyme-substrate complex. Under the most favourable conditions cleavage rates of 1/min were obtained, which are in the range of rates obtained for conventional hammerhead ribozymes with short antisense flanks. A comparison of thermodynamic data for short- and long-armed hammerhead ribozymes suggested that the activation entropy became unfavourable when helices I and III formed a long chain ribozyme-substrate complex. We conclude that in the absence of spermidine folding into the active conformation is impaired by increased friction of long helices, resulting in relatively low cleavage rates in vitro.
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Affiliation(s)
- C Hammann
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas, PO Box 1527, GR-71110 Heraklion, Crete, Greece
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44
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Jeevanadam M, Holaday NJ, Begay CK, Petersen SR. Nutritional efficacy of a spermidine supplemented diet. Nutrition 1997; 13:788-94. [PMID: 9290092 DOI: 10.1016/s0899-9007(97)00190-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Polyamines (PA) are ubiquitous cell components essential for growth. Dietary PAs are directed preferentially to tissues and organs that have been stimulated to grow by metabolic signals. Nutritional efficacy and growth potential of an oral PA supplement, spermidine (SD), was examined in growing rats. A group of 24-male Sprague-Dawley rats (200-220 g) was adapted to our vivarium conditions for 3 d, then fed ad libitum continuously for 14 d. During feeding they received either a basal diet (n = 8) or a test diet containing the basal diet with 0.05% SD (test diet 1, n = 8) or 0.10% SD (test diet 2, n = 8). This dose of SD corresponds to an intake of 54 and 108 mumol of SD per rat per day. At the end of 14 d of feeding, the animals were sacrificed and plasma, cerebral spinal fluid (CSF) and tissues (muscle, brain, and liver) were harvested for amino acid analysis. Voluntary food intake, body weight gain, and nitrogen excretion and balance were significantly decreased in test diet 2 fed rats compared to test diet 1. The opposing trends in the accumulation/depletion of free amino acids (AA) in muscle and plasma suggests that the exogenous supply of SD blocks the transport of amino acids, as well as PAs from the cells, since AA and PA share the same transport systems. A trend toward decreased weight gain and feeding efficiency was observed when high concentrations of SD were fed. It was concluded that feeding of SD at moderate intake is not toxic and does not retard growth. Oral administration of a smaller dose (<0.05%) of SD may promote further growth. The optimal level of SD dietary supplementation has thus yet to be established.
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Affiliation(s)
- M Jeevanadam
- Trauma Center, St. Joseph's Hospital & Medical Center, Phoenix, Arizona 85013, USA
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Ernestus RI, Röhn G, Schröder R, Els T, Lee JY, Klug N, Paschen W. Polyamine metabolism in gliomas. J Neurooncol 1996; 29:167-74. [PMID: 8858522 DOI: 10.1007/bf00182140] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Biosynthesis of the polyamines putrescine, spermidine, and spermine has been found to be activated in tissues with cellular proliferation. In the present study we have investigated polyamine levels and the activity of the first rate-limiting enzyme ornithine decarboxylase (ODC) in tumour samples obtained during operation of 202 patients with gliomas. Biochemical data were closely related to the grading of malignancy and to the morphological characteristics of each sample. Mean ODC activity was significantly higher in all gliomas as compared to peritumoural non-neoplastic brain. Furthermore, it was significantly higher (p < or = 0.001) in anaplastic gliomas who grade III and IV (9.0 +/- 9.6 nmol/g/h) than in gliomas WHO grade I and II (3.3 +/- 4.2 nmol/g/h). Highest enzyme activity (58.5 nmol/g/h) was found in solid and vital parts of malignant tumours, whereas predominantly necrotic areas exhibited low ODC activity (< 1 nmol/g/h). Thus, intra- and interindividual variability of ODC activity corresponded well to histomorphological heterogeneity in high-grade gliomas. Putrescine levels also increased with rising grade of malignancy, whereas spermidine and spermine levels did not correlate with the histological grading. In conclusion, high ODC activity represents a biochemical marker of malignancy in gliomas, but low values do not prove benignity. The present study reinforces the need of further and more extensive tumour sampling closely related to follow-up investigations in the heterogeneous group of gliomas.
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Affiliation(s)
- R I Ernestus
- Department of Neurosurgery, University of Cologne, Germany
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Harper CM, Soni MG, Mehendale HM, Cuchens MA. Pristane-induced effects on cytochrome P-4501A, ornithine decarboxylase and putrescine in rats. Cancer Lett 1995; 95:11-21. [PMID: 7656217 DOI: 10.1016/0304-3835(95)03855-q] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The effects of pristane (2,6,10,14-tetramethylpentadecane) on cytochrome P-4501A (cP4501A) activity in microsomes, as well as on ornithine decarboxylase (ODC) activity and concomitant putrescine levels were examined in Copenhagen rats. In general, pristane treatment led to increased cP4501A levels when compared to basal levels, while co-treatment with 3-methylcholanthrene (3-MC) and pristane elicited augmented cP4501A responses when compared to responses induced by 3-MC alone. Increases in both ODC activity and putrescine levels were also observed in pristane treated rats. Collectively, these results indicate that pristane influences cP4501A activity and elicits promoter-like responses as reflected in elevated ODC activity and increased amount of putrescine.
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Affiliation(s)
- C M Harper
- Department of Microbiology, University of Mississippi Medical Center, Jackson 39216-4505, USA
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47
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Abstract
Spermine has been identified as a potent antioxidant and an anti-inflammatory agent. The compound is present in all organisms and all organs. The concentration is exceptionally high in skin, and I propose that spermine constitutes a prime defence against radiation damage. This hypothesis is substantiated by the fact that ornithine decarboxylase (ODC), the rate-controlling enzyme of spermine biosynthesis, is induced by UVB-irradiation and oxidative stress. On the contrary, inhibition of ODC makes cells more sensitive to radiation damage. The antioxidative effect of spermine may be due to metal chelation and/or to prevention of superoxide generation from stimulated neutrophils. This paper reviews the antioxidative and anti-inflammatory effects of spermine, and suggests that spermine is an important antioxidant of epidermis.
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Affiliation(s)
- E Løvaas
- Institute of Biology and Geology, University of Tromsø, Norway
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48
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Abstract
Biosynthesis and accumulation of the polyamines putrescine, spermidine, and spermine are closely associated with cellular growth processes. We examined polyamine levels and the activity of their first rate-limiting enzyme, ornithine decarboxylase (ODC), in stereotactically induced experimental gliomas of the rat brain 1 and 2 weeks after implantation. Regional ODC activity and polyamine levels were determined in the tumor and in the ipsi- and contralateral striatum, white matter, and cerebral cortex. In the tumor, both ODC activity and polyamine levels markedly increased with progressive tumor growth, as compared to those in the white matter of the opposite hemisphere. In the peritumoral brain tissue, ODC activity did not change, but there was a marked increase of putrescine and, to a lesser degree, of spermidine and spermine almost throughout the whole ipsilateral hemisphere. ODC activity, therefore, seems to be a reliable marker of neoplastic growth in the brain, which may be of use for new clinical concepts of the diagnosis and therapy of brain tumors. The more diffuse distribution of polyamines, however, may be associated with the formation and spreading of edema, which would explain some of the biological effects of tumors on distant brain tissue.
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Affiliation(s)
- R I Ernestus
- Max-Planck-Institute for Neurological Research, Department of Experimental Neurology, Cologne, F.R.G
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Khaduev SK, Umanskii VY, Vesa VS, Shinkai K, Akedo H, Berezov TT. Anti-invasive and antimetastatic action of lysine oxidase fromTrichoderma sp. in vitro and in vivo. Bull Exp Biol Med 1991. [DOI: 10.1007/bf00841381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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50
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Abstract
The polyamines putrescine, spermidine and spermine are necessary for cellular growth and directly involved in cellular differentiation and cell death. The hypothesis that extracellular polyamine levels in rabbit aqueous humor could be used as biomarkers for trauma after eye surgery was investigated. Changes in polyamine levels in rabbit aqueous humor were measured after anterior chamber lens implantation and compared to normals. The measurements were made by reversed phase HPLC and 9-fluorenylmethyl chloroformate and fluorescence detection. An increase in protein concentration followed by a white blood cell mobilization in the aqueous humor is a response to trauma to the eye. Therefore, the polyamine levels were compared to the aqueous levels of protein and leukocytes. Three days postoperatively a significant increase in spermidine was observed and a significant correlation between elevated protein levels and elevated spermine as well as total polyamines were noticed. No correlation between a high number of leukocytes and high polyamine levels were found. The results suggest that polyamines are evident markers for surgical trauma response, but not necessarily correlated to the postoperative inflammatory phase and the infiltration of inflammatory cells.
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Affiliation(s)
- K Wickström
- Department of Radiation Sciences, University of Uppsala, Sweden
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