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Marotta F, Marcellino M, Catanzaro R, Campiotti A, Lorenzetti A, Cervi J, Barbagallo M. Mitochondrial and redox dysfunction in post-menopause as risk factor of neurodegenerative disease: a pilot study testing the role of a validated Japanese functional food. J BIOL REG HOMEOS AG 2020; 34:111-121. [PMID: 32148012 DOI: 10.23812/19-315-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
During the menopause women may experience increased oxidative stress and decreased antioxidant capacity and, together with the decline of neurosteroids, this represents a risk factor for Alzheimer's disease. The aim of the present study was to test a functional food (FPP-ORI, Osato Research Institute, Gifu, Japan) on redox and mitochondrial efficiency in post-menopausal women. The study population consisting of 69 untreated post-menopausal women were given supplements as follows: Group A was given a multivitamin (MV) 1c 2 times a day, and group B was given FPP 4.5 g 2 times a day. Group C consisted of 23 fertile premenopausal women as the control group. The tests carried out on entry, and at 3 and 6 months were erythrocyte redox parameters, plasma oxidated proteins, brain-derived neurotrophic factor (BDNF) and peripheral blood mononuclear cell (PBMC) mitochondria cytochrome c oxidase Vmax activity. Menopausal women showed an increased malondialdehyde (MDA) (p<0.05 vs control) which was normalized by both treatments (p<0.05), but MV failed to do so in the BMI ≥26 subgroup (p<0.05). All other redox enzymes and BDNF were significantly lower in menopausal women and they responded only to FPP (p<0.05). Carbonyl protein level was higher in "BMI ≥ 26" subgroup (p<0.05) and reduced only by FPP (p<0.05). The PBMC cyclooxygenase to citrate synthase activity was reduced (<40%) in the menopausal group (p<0.01) and only FPP caused a significant restoration (p<0.05). Although preliminary, these data confirm the redox and mitochondrial dysfunction occurring in post-menopause and responsive to FPP but very poorly to high dosage antioxidants. This may lead to potential preventive opportunities in menopause-associated neurodegenerative disease.
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Affiliation(s)
- F Marotta
- ReGenera R&D International for Aging Intervention, Milano, Italy
| | | | - R Catanzaro
- Department of Clinical and Experimental Medicine, Section of Gastroenterology, University of Catania, Catania, Italy
| | - A Campiotti
- San Babila Clinic, Vitality Therapeutics, CMB Unit, Milano, Italy
| | - A Lorenzetti
- ReGenera R&D International for Aging Intervention, Milano, Italy
| | - J Cervi
- ReGenera R&D International for Aging Intervention, Milano, Italy
| | - M Barbagallo
- Department of Geriatrics and Internal Medicine, University of Palermo, Italy
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Catanzaro R, Anzalone M, Calabrese F, Milazzo M, Capuana M, Italia A, Occhipinti S, Marotta F. The gut microbiota and its correlations with the central nervous system disorders. Panminerva Med 2015; 57:127-43. [PMID: 25390799 DOI: pmid/25390799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A mutual impact of gastrointestinal tract (GIT) and central nervous system (CNS) functions has been recognized since the mid-twentieth century. It is accepted that the so-called gut-brain axis provides a two-way homeostatic communication, through immunological, hormonal and neuronal signals. A dysfunction of this axis has been associated with the pathogenesis of some diseases both within and outside the GIT, that have shown an increase in incidence over the last decades. Studies comparing germ-free animals and animals exposed to pathogenic bacterial infections, probiotics or antibiotics suggest the participation of the microbiota in this communication and a role in host defense, regulation of immunity and autoimmune disease appearance. The GIT could represent a vulnerable area through which pathogens influence all aspects of physiology and even induce CNS neuro-inflammation. All those concepts may suggest the modulation of the gut microbiota as an achievable strategy for innovative therapies in complex disorders. Moving from this background, the present review discusses the relationship between intestinal microbiota and CNS and the effects in health and disease. We particularly look at how the commensal gut microbiota influences systemic immune response in some neurological disorders, highlighting its impact on pain and cognition in multiple sclerosis, Guillain-Barrè Syndrome, neurodevelopmental and behavioral disorders and Alzheimer's disease. In this review we discuss recent studies showing that the potential microbiota-gut-brain dialogue is implicated in neurodegenerative diseases. Gaining a better understanding of the relationship between microbiota and CNS could provide an insight on the pathogenesis and therapeutic strategies of these disorders.
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Affiliation(s)
- R Catanzaro
- Section of Gastroenterology, Department of Medical and Pediatric Sciences, Institute of Internal Medicine "A. Francaviglia", University of Catania, "G. Rodolico" Hospital, Catania, Italy -
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Catanzaro R, Occhipinti S, Calabrese F, Anzalone MG, Milazzo M, Italia A, Marotta F. Irritable bowel syndrome: new findings in pathophysiological and therapeutic field. MINERVA GASTROENTERO 2014; 60:151-63. [PMID: 24780949 DOI: pmid/24780949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Irritable bowel syndrome (IBS) is a high prevalence disease, whose symptoms are reported by a large number of young adults with significant effects on quality of life and social costs. Traditionally, IBS has been treated with dietary and lifestyle modification, fiber supplementation, psychological and pharmacological therapy. Since its complex and multifactorial etiopathogenesis is only partially known, therapeutic choices may be difficult and not always effective. New research efforts focused on the role of relationship between central nervous system and gut disorders (brain-gut axis), altered composition of gut microbiota (e.g. an eight times increased risk for IBS after Salmonella infection), immune activation with an increased number of T lymphocytes and mast cells associated with mucosa as well as an increased level of pro-inflammatory cytokines (IL-10 and IL-12, suggesting Th1 polarization), visceral hypersensitivity causing perception of pain even for minimal abdominal distension. Based on these findings, new possibilities of treatment are emerging with encouraging outcomes. Attention is directed to drugs that showed good tolerability profile and poor systemic absorption, which may make them suitable for repeated or long term treatments, as frequently required in patients with IBS. They have been successfully used drugs such as tachykinin receptors antagonists, tryptophan hydroxylase inhibitors, bile acid sequestrants, µ agonist and δ antagonist opioid receptors. Recent studies are discussed in this review, focusing both on new therapeutic approaches and innovative adaptation of previously available treatments.
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Affiliation(s)
- R Catanzaro
- Section of Gastroenterology Department of Medical and Pediatric Sciences Institute of Internal Medicine "A. Francaviglia" University of Catania, "G. Rodolico" Hospital, Catania, Italy -
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Bertuccelli G, Marotta F, Zerbinati N, Cabeca A, He F, Jain S, Lorenzetti A, Yadav H, Milazzo M, Calabrese F, Tomella C, Catanzaro R. Iron supplementation in young iron-deficient females causes gastrointestinal redox imbalance: protective effect of a fermented nutraceutical. J BIOL REG HOMEOS AG 2014; 28:53-63. [PMID: 24750791 DOI: pmid/24750791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The aim of this study was to assess whether the concomitant supplementation of certified fermented papaya preparation (FPP, ORI, Gifu, Japan) together with iron supplementation could beneficially affect lipid peroxidation either systemically and at a intraluminal gut level in women with low iron stores. Treatment compliance and iron absorption was assessed as well. Fifty-two non-pregnant, fertile, non-smokers, healthy women with iron deficiency were recruited. The women were given iron supplements (100 mg Fe/d as ferrous sulfate) to be taken daily for 12 weeks (group A). Group B patients were also supplemented with 6g/day of a FPP. A detailed life style questionnaire was administered to all subjects. Iron, ferritin, transferrin receptors (Tf R) and malondialdehyde (MDA) in plasma were measured. The RBCs lysate was used for the estimation of superoxide dismutase (SOD) and glutathione peroxidase (GPx). The total and free iron concentration as well as analysis of oxidative stress in the feces was measured. FPP-supplemented subjects showed a significantly lower degree of gastrointestinal discomfort (p less than 0.05) and abolished the iron supplementation-induced increase of MDA (p less than 0.001) and the depletion of SOD and GPx (p less than 0.01). Moreover, the nutraceutical co-administration brought about a significant reduction of gut oxidative damage and lower fecal content of either total and free iron (p less than 0.05 vs group A). Overall, group B showed a better TfR/ferritin ratio response (p less than 0.05 vs group A). While iron supplementation maintains its clinical relevance considering the prevalence of iron deficiency among females, a careful clinical evaluation and a protective nutraceutical co-administration, as our data suggest with FPP, should be considered.
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Affiliation(s)
- G Bertuccelli
- ReGenera Research Group for Aging Intervention, Milan, Italy
| | - F Marotta
- ReGenera Research Group for Aging Intervention, Milan, Italy
| | - N Zerbinati
- CMP-Medical Center and Laboratories, Pavia, Italy
| | - A Cabeca
- Preventive and Functional Medicine Center Brunswick, GA, USA
| | - F He
- Department of Nutrition and Food Hygiene, West China School of Public Health, Sichuan University, Sichuan, China
| | - S Jain
- NIDDK, National Institute of Health, Bethesda, USA
| | - A Lorenzetti
- ReGenera Research Group for Aging Intervention, Milan, Italy
| | - H Yadav
- CMP-Medical Center and Laboratories, Pavia, Italy
| | - M Milazzo
- Dept of Internal Medicine, Gastroenterology Unit, University of Catania, Catania, Italy
| | - F Calabrese
- Dept of Internal Medicine, Gastroenterology Unit, University of Catania, Catania, Italy
| | - C Tomella
- ReGenera Research Group for Aging Intervention, Milan, Italy
| | - R Catanzaro
- Dept of Internal Medicine, Gastroenterology Unit, University of Catania, Catania, Italy
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Catanzaro R, Zerbinati N, Solimene U, Celep G, Marotta F, Kushugulova A, Milazzo M, Tomella C, Bertuccelli G, Zhumadilov Z. Effect of Celergen, a marine derivative, on in vitro hepatocarcinogenesis. Drug Discov Ther 2013; 7:196-200. [PMID: 24270384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The aim of this study was to test for a potential anticarcinogenic effect of Celergen, a marine derivative devoid of traceable amounts of inorganic arsenic, on cell proliferation, cell cycle progression and apoptosis in the HepG2 human liver cancer cell line. Celergen significantly inhibited the proliferation of cancer cells in a dose-dependent manner while limiting the cell cycle progression at the G1 phase and significantly inducing apoptosis. Further examination showed that Celergen enhanced expression of the p21(CIPl1WAF1), GADD153 genes and downregulated the c-myc gene. These results suggest that Celergen exerts promising chemopreventive properties to be further investigated.
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Affiliation(s)
- R Catanzaro
- ReGenera Research Group for Aging-Intervention, Milano, Italy
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Catanzaro R, Sapienza C, Milazzo M, Arona S, Italia A, Samperi L. Liver fibrosis: evaluation with diffusion-weighted magnetic resonance imaging in patients with chronic liver disease. MINERVA GASTROENTERO 2013; 59:313-320. [PMID: 23867950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
AIM Liver fibrosis is often a possible evolution of chronic liver disease (CLD), with a risk of progression to cirrhosis. This study was designed to determine if the measure of apparent diffusion coefficient (ADC) is clinically accurate in the staging of fibrosis. METHODS The study was conducted in the period 2008-2012. We recruited 84 patients with CLD. The control group included 67 patients whose laboratory, ultrasound and magnetic resonance imaging exams demonstrated liver's normal conditions. For ethical reasons, these patients did not undergo liver biopsy. Patients were examined using diffusion-weighted magnetic resonance imaging with a 1.5 Tesla magnet and with single shot echo-planar technique. Patients did undergo liver biopsy and the samples were evaluated with the Metavir score (F0-F4), Ishak score (0-6) and Brunt score (0-6). Patients were divided into three groups according to the different degree of fibrosis and the ADC was compared with U-test of Mann-Whitney. Moreover, it was used the analysis Receiver Operating Characteristic (ROC). RESULTS A significant difference between group 1 (F0-F1) and group 3 (F3-F4) was found, with P=0.0024 and between group 2 (F2) and group 3, with P=0.027, but there was no significant difference of the ADC values in group 1 and group 2. CONCLUSION The study showed a correlation between reduction of ADC and increasing of liver fibrosis degree. The ADC seems to be useful in staging liver fibrosis in patients with CLD, in particular to distinguish the later stages of fibrosis from early and intermediate stages.
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Affiliation(s)
- R Catanzaro
- Section of Gastroenterology Department of Medical and Pediatric Sciences, Institute of Internal Medicine "A. Francaviglia" University of Catania "G. Rodolico" Hospital, Catania, Italy -
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Catanzaro R. Effect of Celergen, a marine derivative, on in vitro hepatocarcinogenesis. Drug Discov Ther 2013. [DOI: 10.5582/ddt.2013.v7.5.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Catanzaro R, Italia A. [Pancreatic hyperenzymemia: new advances in the field of clinical-diagnostic approach, with particular attention about Gullo's syndrome]. Minerva Med 2012; 103:393-412. [PMID: 23042375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
An increase in serum levels of pancreatic enzymes is a well-known manifestation of pancreatic disease, especially of inflammatory or neoplastic nature, even if several extrapancreatic diseases can equally cause that increase. In addition to this pathological type of hyperenzymemia, different "non-pathological" forms have also been identified, including macroamylasemia, salivary, and mixed salivary and pancreatic hyperamylasemia, in all of which only amylase elevations are seen. Nevertheless, in 1996 a new syndrome characterized by an abnormal, chronic, benign increase in levels of serum amylase, pancreatic isoamylase, lipase and trypsin, asymptomatic and usually discovered incidentally, was described for the first time by Lucio Gullo et al. Hyperamylasemia/hyperlipasemia's observation is nowadays on the increase because general practitioners tend to include more frequently amylase and lipase in routine blood tests and, moreover, because the constant evaluation of this biochemical alteration in the Emergency Unit: for this reason, this syndrome was clearly identified only recently. Therefore, it's characterized by serum elevation of all pancreatic enzymes in the absence of underlying diseases; it occurs in either sporadic or familial form and it persists over time with considerable fluctuation in serum enzyme concentrations, including frequent normalizations. Proper diagnosis of this form of hyperenzymemia is important because it reassures the subjects having this anomaly that the syndrome is benign, and because it can prevent multiple and expensive diagnostic tests or useless hospitalizations or therapies.
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Affiliation(s)
- R Catanzaro
- Dipartimento di Medicina Interna e Patologie Sistemiche, Azienda Ospedaliero-Universitaria, Policlinico-Vittorio Emanuele, Catania, Italia.
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Catanzaro R, Marotta F, Jain S, Rastmanesh R, Allegri F, Celep G, Lorenzetti A, Polimeni A, Yadav H. Beneficial effect of a sturgeon-based bioactive compound on gene expression of tumor necrosis factor-alpha, matrix metalloproteinases and type-10 collagen in human chondrocytes. J BIOL REG HOMEOS AG 2012; 26:337-45. [PMID: 23034253 DOI: pmid/23034253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In the present study, we examined the effect of a marine bioactive compound containing high-purity caviar-derived DNA, collagen elastin and protein extracts from sturgeon (LD-1227, Caviarlieri, Laboratoires Dom, Switzerland) on IL-1beta-induced activation and production of TNFalpha and MMP-13 in human osteo-arthritis (OA) chondrocytes and intracellular signaling factors. Human chondrocytes were derived from OA cartilage and stimulated with IL-1beta. Gene expression of TNFalpha, MMP-13, MMP-1 and Col10A1 was measured by quantitative RT-PCR. TNFalpha protein in culture medium was determined using cytokine-specific ELISA. Western immunoblotting was used to analyze the MMP-13 production in the culture medium and the activation of NF-kB. DNA binding activity of NF-kB p65 was determined using a highly sensitive and specific ELISA. MMP-13 activity in the culture medium was assayed by gelatine zymography. LD-1227 significantly decreased IL-1beta-stimulated gene expression and production of TNFalpha, MMP-1, MMP-13 and Col10A1 in human chondrocytes. The inhibitory effect of LD-1227 on the IL-1beta-induced expression of these genes was mediated at least in part via suppression of NF-kB p65. These data show that LD-1227 can inhibit IL-1beta-induced proliferation and inflammatory reactions via inhibited activation of the transcription factor NF-kB pathway in human chondrocytes derived from OA patients. These novel pharmacological actions of LD-1227 on IL-1beta-stimulated human OA chondrocytes provide suggestions that this marine biology compound may inhibit cartilage degradation by suppressing IL-1beta-mediated activation and the catabolic response in human chondrocytes.
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Affiliation(s)
- R Catanzaro
- Dept of Internal Medicine, University of Catania, Catania, Italy
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Catanzaro R, Dimartino A. [Autoimmune pancreatitis today: clinical features and diagnostic strategies]. MINERVA GASTROENTERO 2012; 58:151-166. [PMID: 22643597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Autoimmune pancreatitis (AIP) is a particular form of chronic pancreatitis recognized as clinical entity only in recent decades. Peculiar clinical, serological, histological and radiological features make it different from other types of pancreatitis. The diagnosis of AIP represents a challenge for the clinicians. Particularly in its focal form, it shows several features in common with pancreatic adenocarcinoma. Both of these conditions, in fact, are often associated with obstructive jaundice, cause increase of the volume of the pancreas and can share the radiologic appearance of a focal mass. The autoimmune pancreatitis instead of pancreatic cancer regresses promptly after treatment with oral corticosteroids. Because of the different management of the two diseases a correct differential diagnosis is imperative. From 5% to 21% of AIP cases are diagnosed in patients after pancreatic resection performed for suspected malignancy. Still not identified a specific serological marker of AIP which can allow a definitive diagnosis of the disease. Both the diagnosis of pancreatic cancer as AIP is paid on the basis of different clinical tests: the diagnosis of pancreatic cancer requires imaging studies, laboratory tests and biopsy of the pancreas, while the diagnosis of AIP requires confirmation of the diagnostic histological, serological and radiological criteria, the involvement of other organs and a positive response to treatment with corticosteroids. Recently, three different diagnostic strategies for AIP have been proposed.
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Affiliation(s)
- R Catanzaro
- Dipartimento di Medicina Interna e Patologie Sistemiche, Azienda Ospedaliero-Universitaria, Policlinico-Vittorio Emanuele di Catania, Italia.
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Gupta C, Kumari A, Garg AP, Catanzaro R, Marotta F. Comparative study of cinnamon oil and clove oil on some oral microbiota. Acta Biomed 2011; 82:197-9. [PMID: 22783715 DOI: pmid/22783715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A comparative study was carried out between cinnamon oil and clove oil on the oral micro-biota causing dental caries. Cinnamon oil was found to be more effective than clove oil exhibiting broad spectrum of antibacterial activity inhibiting all the ten test bacterial species involved in dental caries. Cinnamon oil produced maximum inhibition zone of diameter (IZD) of 24.0 mm against Streptococcus mutans (major causative bacteria of dental plaque) as compared to clove oil (IZD = 13.0mm). This is contrary to the popular belief that clove oil is effective in tooth decay and dental plaque. This study shows the potential of cinnamon oil over clove oil in the treatment of dental caries. (www.actabiomedica.it).
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Affiliation(s)
- Charu Gupta
- Amity Institute for Herbal Research and Studies, Amity University, Noida, India
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Sedriep S, Zhong K, Nakanishi K, Sweed H, Chui DH, Yang H, Xia X, Catanzaro R, Zhou L, Marotta F. Advantage of carbonate-versus citrate-based alkalinization on bone metabolism in moderately exercising aged male rats fed an acidogenic diet. J BIOL REG HOMEOS AG 2011; 25:341-9. [PMID: 22023758 DOI: pmid/22023758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study aims to determine the effects of different alkaline supplementations on high protein diet-induced abnormalities affecting bone metabolism in rats which were also undergoing physical exercise of moderate intensity. Sixty elderly Sprague-Dawley rats were randomly divided into four groups of 10 rats each and treated for 16 weeks as follows: baseline control group fed normal food (C); acidic high-protein diet supplemented group (chronic acidosis, CA group), bicarbonate-based alkaline formula (Basenpulver, Named, Italy) supplemented chronic acidosis (BB-CA) and citrate-based alkaline supplement (CB-CA). Throughout the supplementation period, rats were put on a treadmill training mimicking a moderate level of exercise. In the CA group, 24-hour urinary calcium (Ca) and phosphorus (P) excretion were increased over 30 percent (p<0.05 vs normal diet controls). However serum Ca was not significantly changed. Femural and tibial BMD and BMC was significantly decreased in the CA group (p<0.05) but both alkaline supplementations prevented such phenomenon (p<0.05 vs CA), without significant difference between the two formulations although the BB-CA group showed significantly more preserved trabecular bone volume (p<0.05 vs CB-CA group). An increased level of over 50 percent of urinary Dpd observed in the CA group (p<0.001) was reverted to normal by both supplementations (p<0.001 vs CA group). The same applied to urinary net acid excretion (p<001) with BB-supplementation performing better than CB-supplementation (p<0.05). Moreover, while the latter did not modify Nterminal telopeptide value, BB-supplementation significantly normalized this parameter (p<0.05 vs CA group) which exercise and acidic protein diet had modified (p<0.01 vs control diet). Overall, the present study shows that a bicarbonate-based alkaline formula, when administered to a dose amenable to clinical use, may significantly protect bone structure in exercising aged animals to a greater extent than a quali/quantitavely similar citrate-based formula.
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Affiliation(s)
- S Sedriep
- Bio-Cell Unit Lab and Analysis Center, Miyazaki, Japan
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Sedriep S, Xia X, Marotta F, Zhou L, Yadav H, Yang H, Soresi V, Catanzaro R, Zhong K, Polimeni A, Chui DH. Beneficial nutraceutical modulation of cerebral erythropoietin expression and oxidative stress: an experimental study. J BIOL REG HOMEOS AG 2011; 25:187-94. [PMID: 21880207 DOI: pmid/21880207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The main object of this study is to examine the effect of Klamin®, a nutraceutical containing phenylethylamine, phycocyanins, mycosporine-like aminoacids and aphanizomenon flos aquae-phytochrome on the learning and memory ability, the oxidative status and cerebral erythropoietin and its receptor EPO/EPOR system in prematurely senescent (PS) mice. A total of 28 PS mice, selected according to a prior T-maze test, and 26 non-prematurely senescent mice (NPS) mice were chosen. PS animals were divided into 3 groups and followed for 4 weeks: A) normal chow diet; B) added with Klamin® at 20 mg/kg/day (low dose); C) added with Klamin® at 100mg/kg/day (high dose). A further group of NPS mice given either normal food (group D) or high dose Klamin® (group E) was also considered. The behavioral procedures of spatial learning ability (Morris test) showed that PS mice had significantly longer learning time as compared to their NPS counterpart (p<0.01), but this effect was prevented especially in mice supplemented with high-dose Klamin® (p<0.05) which improved performances in NPS mice (p<0.05). High-dose Klamin® supplementation restored the depleted total thiol concentration in the brain observed in PS mice while normalizing their increased malonildialdehyde level (p<0.05). Moreover, the high-dosage only caused a significant upregulation of EPO/EPOR system both in PS and in NPS animals (p<0.05). Taken together, these data suggest that this specific alga Klamath extract has considerable antioxidant and adaptogenic properties, also through a stimulatory effect of cerebral EPO/EPO system.
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Affiliation(s)
- S Sedriep
- Bio-Cell Unit Lab and Analysis Center, Miyazaki, Japan
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Marotta F, Naito Y, Padrini F, Xuewei X, Jain S, Soresi V, Zhou L, Catanzaro R, Zhong K, Polimeni A, Chui DH. Redox balance signalling in occupational stress: modification by nutraceutical intervention. J BIOL REG HOMEOS AG 2011; 25:221-9. [PMID: 21880211 DOI: pmid/21880211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There is increasing evidence that psychosocial stress can be viewed as a system-wide derangement of cellular homeostasis, with heightened oxidative stress and triggered proinflammatory mechanisms. The aim of this study is twofold: a) to replicate findings that psychological stress increases oxidative damage and b) to determine whether a fermented papaya preparation known to exert significant protective antioxidant properties could buffer such increases in nuclear DNA damage while also inducing epigenetic protective mechanisms. Twenty-eight sedentary men and women (age range: 28-52), who reported living a stressful lifestyle but with an overall positive attitude, were recruited for this study. Chronic diseases as well as severe burnout and use of drugs for anxiety constituted exclusion criteria. Subjects were supplemented for 1 month with 9 g/day (4.5 g twice a day) of a certified fermented papaya preparation. All subjects were given a stress and sleep quality questionnaire together with a diet and life style assessment. Blood was collected at 2 and 4 week, erythrocyte and leukocyte were separated to assess redox balance and heme oxygenase-1 (HO-1) gene expression while bilirubin oxidized metabolites (BOMs) were tested in the urine. Stressed individuals showed a significant abnormality of redox status with increased MDA of erythrocyte and increased level of 8-0HdG in leukocyte and BOMs excretion (p<0.05). Nutraceutical supplementation brought about a normalization of such values already at the 2 week observation (p<0.05) together with a significant upregulation of HO-1 (p<0.01). Taken together, the results of this study confirm that stressful occupational life per se, without any overt psychiatric illness, may be associated to increased oxidative stress. Supplementation with functional food affecting redox regulation may be part of the therapeutic armamentarium to be considered in this clinical setting.
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Affiliation(s)
- F Marotta
- ReGenera research group, Milan, Italy.
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Iacoviello M, Guida P, Guastamacchia E, Triggiani V, Forleo C, Catanzaro R, Cicala M, Basile M, Sorrentino S, Favale S. Prognostic role of sub-clinical hypothyroidism in chronic heart failure outpatients. Curr Pharm Des 2009; 14:2686-92. [PMID: 19006851 DOI: 10.2174/138161208786264142] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND It has been suggested that low thyroid hormones levels may be associated with increased mortality in patients with cardiovascular disease. AIM To evaluate the prognostic role of thyroid function deficiency in patients with chronic heart failure (CHF). METHODS We evaluated 338 consecutive outpatients with stable CHF receiving conventional therapy, all of whom underwent a physical examination, electrocardiography and echocardiography. Blood samples were drawn to assess renal function, and Na+, hemoglobin, NT-proBNPs, fT3, fT4 and TSH levels. Patients with hyperthyroidism were excluded. RESULTS During the follow-up (15+/-8 months), heart failure progression was observed in 79 patients (including 18 who died of heart failure after hospitalisation and six who underwent transplantation). Univariate regression analysis showed that TSH (p<0.0001), fT3 (p<0.0001), fT4 (p=0.016) and fT3/fT4 (p<0.0001) were associated with heart failure progression but multivariate analysis showed that only TSH considered as a continuous variable (p = 0.001) as well as subclinical hypothyroidism (TSH > 5.5 mUI/l; p=0.014) remained significantly associated with the events. CONCLUSIONS In CHF patients TSH levels even slightly above normal range are independently associated with a greater likelihood of heart failure progression. This supports the need for prospective studies aimed at clarifying the most appropriate therapeutic approach to sub-clinical hypothyroidism in such patients.
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Affiliation(s)
- M Iacoviello
- Cardiology Unit, Emergency and Organ Transplantation Department, University of Bari, Bari, Italy.
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16
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Catanzaro R, Parle J, Ross N. Integrating Theory and Practice Learning: A Model from Birmingham, England. JAAPA 2008. [DOI: 10.1097/01720610-200806000-00041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Beloff-Chain A, Betto P, Bleszynski W, Catanzaro R, Chain EB, Dmitrovskii AA, Longinotti L, Pocchiari F. Influence of some mononucleotides and their corresponding nucleosides on the metabolism of carbohydrates in the isolated rat diaphragm muscle. Biochem J 2006; 97:565-8. [PMID: 16749165 PMCID: PMC1264676 DOI: 10.1042/bj0970565] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
1. The influence of ATP on glucose metabolism was studied in the isolated rat diaphragm; it was shown that ATP increases the oxidation of glucose and the aerobic conversion of glucose into lactate, whereas it decreases glycogen synthesis. There was no influence of ATP on the anaerobic formation of lactate from glucose. 2. A maximum effect of ATP on the oxidation of glucose (about 160% increase) was obtained in the presence of 10mm-ATP; in the presence of 2mm-ATP the effect was about 65%, and was approximately constant from 10 to 90min. incubation period. 3. In a phosphate-free tris-buffered medium the oxidation of glucose was considerably decreased, but the percentage stimulation by ATP was about the same as in a phosphate-buffered medium. 4. ATP was shown to increase the oxidation of fructose, glucose 6-phosphate, glucose 1-phosphate, fructose 1,6-diphosphate and, to a much smaller extent, pyruvate. 5. ADP stimulated the oxidation of glucose to the same extent as ATP at a concentration of 2mm and the effect with AMP was only slightly less; IMP and adenosine had only a small stimulatory effect at this concentration, whereas inosine had no effect.
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Catalano F, Branciforte G, Catanzaro R, Cipolla R, Bentivegna C, Brogna A. Helicobacter pylori-positive duodenal ulcer: three-day antibiotic eradication regimen. Aliment Pharmacol Ther 2000; 14:1329-34. [PMID: 11012478 DOI: 10.1046/j.1365-2036.2000.00839.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND The most widely used treatments for ulcer healing and Helicobacter pylori eradication consist of a 1-2 week regimen of a proton pump inhibitor plus two or three antimicrobials. AIMS To evaluate the efficacy, safety, cost, and tolerance of a three-day regimen with three antibiotics vs. a 10-day treatment with a proton pump inhibitor or vs. a ranitidine bismuth citrate triple therapy. METHODS Two hundred and twenty-one patients with endoscopically-proven H. pylori-positive duodenal ulcers were recruited to the study. Recruited patients were assigned to one of the following four regimens: (I) omeprazole 40 mg o.m. plus amoxycillin 1 g b.d. and clarithromycin 500 mg b.d. for 10 days (OAC: 55 patients); (ii) omeprazole 40 mg o.m. on days 1-5, plus amoxycillin 1 g b.d., clarithromycin 500 mg b.d. and metronidazole 500 mg b.d. on days 3-5 (OACM: 56 patients); (iii) ranitidine bismuth citrate 400 mg b.d. plus amoxycillin 1 g b.d. and clarithromycin 500 mg b.d. for 10 days (RAC: 54 patients); (iv) ranitidine bismuth citrate 400 mg b.d. on days 1-5, plus amoxycillin 1 g b.d., clarithromycin 500 mg b.d. and metronidazole 500 mg b.d. on days 3-5 (RACM: 56 patients). Fisher's exact test was used to compare data regarding healing and eradication in the four groups. RESULTS The intention-to-treat eradication and ulcer healing rates for the RACM regimen were 95% and 98%, respectively. Statistically significant differences were observed, relating to the eradication and healing of ulcers, between RACM and either the RAC or OAC regimens. CONCLUSION The three-day antibiotic therapy with amoxycillin, clarithromycin and metronidazole in addition to ranitidine bismuth citrate is a very effective anti-H. pylori regimen.
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Affiliation(s)
- F Catalano
- Gastroenterology and Digestive Endoscopy Service, University of Catania, Italy.
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19
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Catalano F, Catanzaro R, Branciforte G, Bentivegna C, Cipolla R, Brogna A, Nuciforo G. Five-day triple therapy in Helicobacter pylori-positive duodenal ulcer: an eighteen-month follow-up. J Clin Gastroenterol 2000; 31:130-6. [PMID: 10993428 DOI: 10.1097/00004836-200009000-00008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The aim of this study was to compare the efficacy of two different 5-day proton pump inhibitor (PPI)-based triple therapies for Helicobacter pylori (Hp)-positive duodenal ulcers (DUs). Eighty-four patients received pantoprazole (Pan) 80 mg O.D. (once daily) for 1 week; 88 patients received omeprazole (Ome) 40 mg O.D. for 1 week. Patients of both groups received clarithromycin (Cla) 500 mg B.I.D. (twice daily) and amoxicillin (Amo) 1 g B.I.D. for 5 days. All of them were clinically and endoscopically investigated before enrollment (T0) and at 1 (T1), 6 (T2), 12 (T3), and 18 months (T4) after the end of the therapy. Hp status was determined by rapid urease test and by histology. At T1, we observed ulcer healing in 87.5% of the patients and Hp eradication in 83.7% of the Pan group (per protocol [PP]). In the Ome group, ulcer healing was noticed in 95.1% and Hp eradication in 95.1% (PP). We found no statistical differences between the groups (PP). At the end of the follow-up, we found a healing rate of 100% both in the Pan group and in the Ome group; an eradication rate of 98.4% and 100% was observed in the Pan group and in the Ome group, respectively. We found no statistical differences between the groups (PP). Hp eradication was associated with an improvement in the grade of gastritis at T1, remaining unchanged until T4. In conclusion, the efficacy of the Pan treatment was similar to the Ome treatment.
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Affiliation(s)
- F Catalano
- Gastroenterology and Endoscopy Service, University of Catania, Garibaldi Hospital, Italy
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20
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Catalano F, Catanzaro R, Branciforte G, Bentivegna CF, Cipolla R, Brogna A, Sala LO, Migliore G, Paternuosto M. Colonoscopy technique with an external straightener. Gastrointest Endosc 2000; 51:600-4. [PMID: 10805853 DOI: 10.1016/s0016-5107(00)70301-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND An external straightener for colonoscopy which enables proper compression of the abdomen during the entire examination has been developed. METHODS Beginning January 1, 1997, patients undergoing outpatient colonoscopy were subjected to either manual abdominal compression or compression with an external straightener. Two hundred patients were divided into two groups of 100 patients each: group A (colonoscopy using traditional methods; 38 men, 62 women, mean age 59.6 years, range 18 to 80) and group B (colonoscopy with the help of the external straightener; 40 men, 60 women, mean age 59.8 years, range 16 to 75). Fifteen minutes after the examination, each patient completed a form that assessed the degree of pain during the procedure (no pain, mild, moderate, severe). RESULTS The ileocecal valve was reached in 89 cases in group A and 94 cases in group B. The average time required to reach the valve was 9.34+/-4 minutes (range 4 to 25) in group A and 6.97+/-3.37 minutes (range 2 to 21) in group B (p<0.001). With regard to the degree of pain, the results for groups A and B were, respectively: no pain = 25% and 40%, mild = 29% and 34%, moderate = 30% and 20%, severe = 16% and 6% (p< 0.001). CONCLUSIONS The external straightener reduced examination time and decreased the degree of patient pain compared with traditional methods.
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Affiliation(s)
- F Catalano
- Gastroenterology and Endoscopy Service, Department of Internal Medicine, University of Catania, Catania, Italy
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21
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Catalano F, Branciforte G, Catanzaro R, Bentivegna C, Cipolla R, Nuciforo G, Brogna A. Comparative treatment of Helicobacter pylori-positive duodenal ulcer using pantoprazole at low and high doses versus omeprazole in triple therapy. Helicobacter 1999; 4:178-84. [PMID: 10469192 DOI: 10.1046/j.1523-5378.1999.99274.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Helicobacter pylori eradication has become the standard treatment for peptic ulcer disease. H. pylori-eradicating triple therapy with omeprazole plus two antibiotics has been used until recently; however, the efficacy of pantoprazole and antibiotics for H. pylori eradication has not been researched thoroughly until now. The aim of this randomized clinical trial was to verify the efficacy of triple oral therapy comparing the effects of pantoprazole using two different doses versus omeprazole twice daily in H. pylori eradication, in ulcer healing and relapses, and in gastritis improvement. MATERIALS AND METHODS We enrolled 243 patients with H. pylori-positive duodenal ulcer and randomized them into three treatment groups: 84 patients (group Ome40) were assigned to receive omeprazole, 20 mg twice daily, plus amoxicillin, 1 gm twice daily, and clarithromycin, 500 mg twice daily for 10 days; 79 patients (group Pan40) were treated with pantoprazole, 40 mg daily, plus amoxicillin and clarithromycin at the same doses as those of group Ome40; and 80 patients (group Pan80) were treated with pantoprazole, 40 mg twice daily, plus amoxicillin and clarithromycin at the same doses as those of group Ome40. RESULTS Ulcer healing was observed in 81 of 84 patients (96.4%) in group Ome40; in 66 of 79 patients (83.5%) in group Pan40; and in 77 of 80 patients (96.2%) in group Pan80. H. pylori was eradicated in 79 of 84 patients (94%) in group Ome40; in 63 of 79 patients (79.7%) in group Pan40; and in 75 of 80 patients (93.7%) in group Pan80. CONCLUSIONS We found that 10-day triple therapy with amoxicillin, clarithromycin, and either pantoprazole, 80 mg daily, or omeprazole, 40 mg daily, is highly effective in ulcer healing and is very well tolerated, achieving the 90% cure recommended for an ideal first-line anti-H. pylori positive duodenal ulcer treatment regimen.
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Affiliation(s)
- F Catalano
- Gastroenterology and Endoscopy Unit, University of Catania, S. Gregorio di Catania, Italy
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22
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Catalano F, Catanzaro R, Bentivegna C, Brogna A, Condorelli G, Cipolla R. Ranitidine bismuth citrate versus omeprazole triple therapy for the eradication of Helicobacter pylori and healing of duodenal ulcer. Aliment Pharmacol Ther 1998; 12:59-62. [PMID: 9692702 DOI: 10.1046/j.1365-2036.1998.00270.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
AIM To compare the efficacy and safety of triple therapy with omeprazole plus amoxycillin and clarithromycin vs. ranitidine bismuth citrate plus amoxycillin and clarithromycin in the treatment of Helicobacter pylori-associated duodenal ulcers. METHODS Eighty-one patients with duodenal ulcers were randomized to the following treatments: 39 cases with amoxycillin 1 g b.d. and clarithromycin 500 mg b.d. for 1 week plus omeprazole 20 mg b.d. for 2 weeks (omeprazole + amoxycillin + clarithromycin (OAC)), and 42 cases to the same regimen of amoxycillin and clarithromycin for 7 days plus ranitidine bismuth citrate 400 mg b.d. for 2 weeks (ranitidine bismuth citrate + amoxycillin + clarithromycin (RbAC)). Upper gastrointestinal endoscopy was performed together with a rapid urease test and histological examination of antral and corpus biopsy samples prior to treatment and 4 weeks after the end of therapy. RESULTS Thirty-four patients in the OAC group and 38 in the RbAC group completed the treatment and 4-week follow-up. H. pylori was eradicated in 30 of 34 patients (88%) in the OAC group and in 32 of 38 patients (84%) in the RbAC group according to a per-protocol analysis (P = N.S.). Thirty-three (97%) patients treated with OAC and 36 (95%) treated with RbAC presented healed duodenal ulcers at 4 weeks (P = N.S.). On an intention-to-treat basis there was no difference in H. pylori eradication between the OAC (77%) and RbAC groups (76%); duodenal ulcer healing was achieved in 85 and 86% of patients in the OAC and RbAC groups, respectively (P = N.S.). CONCLUSION The OAC and RbAC triple therapy regimens proved equally effective in both H. pylori eradication and in duodenal ulcer healing.
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Affiliation(s)
- F Catalano
- Gastroenterology and Digestive Endoscopy Service, University of Catania, Italy
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23
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Catalano F, Branciforte G, Liberti A, Catanzaro R, Brogna A. Efficacy of pneumatic dilatation for pyloric stenosis: an 18-month survey. Ital J Gastroenterol 1995; 27:361-362. [PMID: 8563006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The efficacy of pneumatic dilatation with Rigiflex balloons as a treatment for pyloric peptic stenosis was tested in 18 patients. The patients underwent endoscopic dilatation in one sitting, the size of the balloons being gradually increased for a total of 3 minutes. Patients were also treated with omeprazole in the follow-up period. Pneumatic dilatation of upper digestive tract strictures has proved to be an effective and safe technique, showing remarkable advantages over the traditional surgical treatment. It could represent the first step in a therapeutic approach.
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Affiliation(s)
- F Catalano
- Istituto di Medicina Interna A Francaviglia, Ospedale Garibaldi, Università di Catania, Italy
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Catalano F, Liberti A, Branciforte G, Catanzaro R, Bucceri AM, Blasi A. Twelve-month omeprazole vs ranitidine in the treatment of Helicobacter pylori positive patients with healed duodenal ulcer. Ital J Gastroenterol 1995; 27:21-5. [PMID: 7795283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We evaluated the results of a 12-month treatment using different regimens of omeprazole at the dose of 20 mg daily (three day week-end treatments and every other day) and of 150 mg nocte of ranitidine on Helicobacter pylori status and on preventing duodenal ulcer relapses in 140 Helicobacter pylori positive patients with healed duodenal ulcer. Only every-other-day omeprazole suppresses Helicobacter pylori after 3 month therapy (p < 0.001), after 6 months (p < 0.001) and 12 months (p < 0.05). After 3 months (T1) no significant effectiveness was found in the prevention of ulcer relapses by omeprazole and ranitidine. After 6 months (T2) a significant reduction of relapses (p < 0.05) was recorded when comparing every- other-day omeprazole to the weekend regimen. After 12 months every-other-day omeprazole treatment significantly reduced the relapses compared with the week-end therapy (p = 0.05) and with ranitidine (p < 0.05).
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Affiliation(s)
- F Catalano
- Istituto di Medicina Interna, A Francaviglia, Università di Catania, Ospedale Garibaldi, Italy
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Mangiameli A, Brogna A, Catanzaro R, Sofia M, Blasi A. [Levosulpiride versus domperidone in the treatment of functional dyspepsia]. Clin Ter 1994; 144:107-14. [PMID: 7910127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Levosulpiride, a dopaminergic antagonist was compared in a double-blind randomized study with domperidone for treatment of functional dyspepsia in 50 patients divided into two groups of 25 subjects each. Group I received 25 mg levosulpiride 3 times daily, group II received 10 mg domperidone 3 times daily, all for 30 days. Periodic clinical examination at days 0, 7, 15, 30 showed symptomatic changes. Gallbladder and gastric emptying was studied by ultrasonography at the start and end of treatment. Both drugs had a positive influence on dyspeptic symptoms and on gastric and gallbladder emptying, but the latter parameters were improved significantly more effectively by levosulpiride. As to tolerability, there have been 3 drop-outs and a further 6 patients complained of sides effects that did not require suspension of treatment.
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Affiliation(s)
- A Mangiameli
- Istituto di Medicina Interna A. Francaviglia, Università degli Studi di Catania
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Pilato G, Binda MG, Catanzaro R. Remarks on some tardigrades of the African fauna with the description of three new species ofMacrobiotusSchultze 1834. Tropical Zoology 1991. [DOI: 10.1080/03946975.1991.10539487] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Charlesworth JA, Campbell LV, Catanzaro R, Pussell BA, Pasterfield GV, Peake P. Immune complexes in diabetes mellitus: studies of complement utilisation and tissue deposition. J Clin Lab Immunol 1982; 8:163-8. [PMID: 6752415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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28
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Levi G, Morisi G, Coletti A, Catanzaro R. Free amino acids in fish brain: normal levels and changes upon exposure to high ammonia concentrations in vivo, and upon incubation of brain slices. Comp Biochem Physiol A Comp Physiol 1974; 49:623-36. [PMID: 4154164 DOI: 10.1016/0300-9629(74)90890-1] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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D'Agnolo G, Baroncelli V, Betto P, Catanzaro R, Longinotti L, Pocchiari F. Glucose-6-phosphate pools in isolated rat diaphragm. Experientia 1969; 25:697-8. [PMID: 5801780 DOI: 10.1007/bf01897567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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30
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Lostia O, Rossi C, Catanzaro R. [Fate of I131-iodinated insulin in incubated tissues]. Ann Ist Super Sanita 1969; 5:183-94. [PMID: 16089158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
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Abstract
1. A consistent in vitro effect of anti-insulin serum on glucose metabolism in isolated rat adipose tissue has been demonstrated.
2. Anti-insulin serum added in vitro to epididymal fat pads caused an average decrease in the C-14-O2 formation from glucose-1-C-14 of over 50 per cent, whereas it reduced the incorporation of glucose-U-C-14 into lipids by about 20 per cent.
3. Epididymal fat pads pretreated in vitro with antiinsulin serum oxidized glucose-1-C-14 at a reduced rate compared to control fat pads preincubated in buffer; in the presence of added insulin, however, glucose oxidation was the same in the control and anti-insulin treated fat pads.
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Beloff-Chain A, Betto P, Catanzaro R, Chain EB, Longinotti L, Masi I, Pocchiari F. The metabolism of glucose 1-phosphate and glucose 6-phosphate and their influence on the metabolism of glucose in rat-diaphragm muscle. Biochem J 1964; 91:620-4. [PMID: 5840723 PMCID: PMC1203000 DOI: 10.1042/bj0910620] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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