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1.
Eat Weight Disord ; 26(2): 499-514, 2021 Mar.
Article in English | MEDLINE | ID: mdl-32124409

ABSTRACT

BACKGROUND: The body image disturbance (BID) is a common symptom in eating disorders, often observed and described in anorexia nervosa (AN) and bulimia nervosa (BN). Recently, this symptom has also been observed in binge eating disorder (BED). The research underlines that the BID presents three different altered components: affective, cognitive, and perceptual one. Current treatments for BID have mainly focused on the affective and cognitive components. Nowadays, the need emerges for treatments focused also on the perceptual component of the BID. In this paper, we present the results of an efficacy study on the body perception treatment (BPT), a new treatment for BID focused on the perceptual component of the disorder. OBJECTIVE: We looked for an additional treatment effect on a protocol for ED inpatients to evaluate the efficacy of BPT. We performed the study through statistical analysis of admission and discharge scores. METHODS: We conducted a case-control study in a hospital ward specialized in eating disorders. Two groups were identified: the control group (TAU; N = 91) and the experimental group (TAU + BPT; N = 91). The experimental group performed BTP activities in addition to the treatment at usual. All patients in both groups had an eating disorder diagnosis (AN, BN, BED and EDNOS/OSFED). Sampling occurred on a time basis and not by randomization. Moreover, all patients admitted in the ED hospital ward in the time frame considered (from end-2009 to mid-2017) were included in the study. BPT activities were introduced in mid-2013 and three psychometric instruments upon entry and discharge were used: Symptom Check List-90 (SCL-90) to measure the general psychopathological state; the Eating Disorder Inventory-3 (EDI-3) to estimate the incidence of personality traits strongly correlated to eating disorders; the body uneasiness test (BUT) to measure the body uneasiness. We performed a pre/post analysis for both groups; we studied the additional effect of the treatment through deltas analysis of the three questionnaires (Δ = assessment at discharge - assessment at the entrance). Data were analyzed using the Student T and the Wilcoxon rank-sum test. RESULTS: The pre/post analysis showed statistically significant improvement in both conditions (TAU and TAU + BPT) in the general psychopathological state (SCL-90) and in the incidence of personality traits (EDI-3). Improvements in body uneasiness (BUT) were observed only in the experimental group (TAU + BPT). Furthermore, the analysis of the deltas shows more significant improvements in TAU + BPT compared to TAU in all the variables considered. CONCLUSION: We found an additional effect of the BPT on TAU. The usual ED protocol added with BPT activities showed significantly better clinical results. We have interpreted these results in light of recent developments in the neuroscientific field of body image. LEVEL OF EVIDENCE: Level II: controlled trial without randomization.


Subject(s)
Anorexia Nervosa , Binge-Eating Disorder , Bulimia Nervosa , Feeding and Eating Disorders , Anorexia Nervosa/therapy , Body Image , Bulimia Nervosa/therapy , Case-Control Studies , Humans
2.
Med Hypotheses ; 143: 110153, 2020 Oct.
Article in English | MEDLINE | ID: mdl-32763662

ABSTRACT

Reports from various countries suggest that tobacco smoking might protect from SARS-CoV-2 infection, since the prevalence of smoking in COVID-19 hospitalized patients is lower than in the respective general population. Apart from nicotine or other chemicals contained in tobacco smoke, we propose that a single-stranded RNA virus that infects tobacco leaves, tobacco mosaic virus (TMV), might be implicated in this effect. TMV, though non-pathogenic, is found in smokers' airways, and stimulates adaptive and innate immunity, with release of specific antibodies and interferons. The latter may have preventive and/or therapeutic effects against COVID-19. If confirmed by epidemiological and interventional studies, this might lead to the use of TMV as an immunological adjuvant against SARS-CoV-2 infection and COVID-19 disease.


Subject(s)
Betacoronavirus/immunology , Coronavirus Infections/immunology , Models, Immunological , Pandemics , Pneumonia, Viral/immunology , Smokers , Tobacco Mosaic Virus/immunology , Tobacco Products/virology , Tobacco Smoking , Animals , Antibodies, Viral/biosynthesis , COVID-19 , Coronavirus Infections/epidemiology , Coronavirus Infections/virology , Disease Resistance , Humans , Interferons/biosynthesis , Mice , Pneumonia, Viral/epidemiology , Pneumonia, Viral/virology , Respiratory System/immunology , Respiratory System/virology , SARS-CoV-2 , Tobacco Mosaic Virus/isolation & purification , Tobacco Smoking/epidemiology , Toll-Like Receptors/immunology
3.
Eat Weight Disord ; 17(4): e290-7, 2012 Dec.
Article in English | MEDLINE | ID: mdl-23449083

ABSTRACT

INTRODUCTION: The aim of the study was to examine possible risk factors for dropout from in-patient treatment for eating disorders (ED). MATERIALS AND METHODS: The present study consisted of a retrospective analysis of clinical and non-clinical available information about 186 patients suffering from ED consecutively admitted into the Villa Maria Luigia Private Hospital (Parma, Italy) in a three-year period (01/01/2006 - 31/12/2009). Sociodemographics, clinical history and current features, and results to the following psychometric instruments were analysed: Eating Disorder Questionnaire (EDQ), Predisposing, On-set and Maintaining risk factors list for Eating Disorders, Eating Disorders Inventory-II, Body Uneasiness Test and SCL-90. RESULTS: Of the 186 patients, 46 (24.7%) voluntarily left the treatment program prematurely. Predictive factors included poor educational and professional achievements, parents' divorcing, parents' history of substance abuse and difficulties in interpersonal relationships. DISCUSSION: Dropout is a multifactorial phenomenon with deep clinical consequences: the recognition of possible risk factors may support the choice of specific therapeutic strategies to improve the treatment of ED and its outcomes.


Subject(s)
Feeding and Eating Disorders/psychology , Patient Dropouts/psychology , Adult , Female , Hospitalization , Humans , Italy , Male , Retrospective Studies , Risk Factors , Surveys and Questionnaires
4.
Eur Rev Med Pharmacol Sci ; 5(1): 1-6, 2001.
Article in English | MEDLINE | ID: mdl-11860217

ABSTRACT

Previous studies indicate that blood levels of cyclosporin-A are increased by concomittant administration of grapefruit juice in healthy subjects and patients. It was suggested that grapefruit juice could inhibit the metabolism of cyclosporin-A by CYP3A4, the predominant cytochrome P450 enzyme in the gut wall and liver. However, up to date, the mechanism of action of grapefruit juice has not been conclusively identified and no work has been conducted in animals to quantify its effect on cyclosporin-A metabolism. This study compared the disposition of cyclosporin-A (5 mg/kg) coadministered with grapefruit juice, orange juice or water (10 ml/kg) in male Sprague-Dawley rats. Time to peak concentration was about 5 h for each group. Area under the blood concentration-time curve and peak concentration of cyclosporin-A were increased by 31% and 20%, respectively, with grapefruit juice (P < 0.05). The effects of grapefruit juice were not duplicated by orange juice which did not differ significantly from water for any of the parameters tested. These results confirm that grapefruit juice may act as an inhibitor of drug metabolism altering the disposition of concomittantly administered cyclosporin-A in rats. Nonetheless, it was demonstrated that, under appropriate experimental conditions, rats may be suitable models for in vivo investigation of the interaction mechanism between grapefruit juice and cyclosporin-A.


Subject(s)
Beverages , Citrus , Cyclosporine/pharmacokinetics , Food-Drug Interactions , Administration, Oral , Animals , Biological Availability , Citrus/enzymology , Cyclosporine/blood , Food-Drug Interactions/immunology , Immunosuppressive Agents/blood , Immunosuppressive Agents/pharmacokinetics , Male , Rats , Rats, Sprague-Dawley
5.
Peptides ; 20(3): 379-82, 1999.
Article in English | MEDLINE | ID: mdl-10447097

ABSTRACT

Amylin (AMY) is a peptide of pancreatic origin principally involved in the carbohydrate metabolism, but that may interfere with central and peripheral dopamine (DA) pathways. The peptide, injected intracerebroventricularly (ICV) at the dose of 2.5 microg/rat, induced a decrease of copulatory activity in good copulators (GCO) and sluggish (SLU) male rats. The dose of 0.1 microg/rat did not affect significantly the sexual behavior of GCO rats, whereas AMY 0.5 microg/rat increased only the latency and reduced the frequency of ejaculation. At the dose of 2.5 microg/rat AMY antagonized the activation of sexual behavior induced by the DA receptor agonist, apomorphine administered subcutaneously (SC) at the dose of 100 microg/kg. Moreover, this inhibitory effect was blocked by the calcitonin gene-related peptide and AMY receptor antagonist, CGRP (8-37) fragment (injected ICV at the dose of 1 microg/rat). These data suggest that AMY may exert inhibitory effects on male sexual behavior in rats, probably interfering with central DA neurotransmission and with CGRP receptors.


Subject(s)
Amyloid/administration & dosage , Anti-Ulcer Agents/administration & dosage , Sexual Behavior, Animal/drug effects , Animals , Calcitonin Gene-Related Peptide/pharmacology , Dose-Response Relationship, Drug , Drug Antagonism , Injections, Intraventricular , Islet Amyloid Polypeptide , Male , Miotics/pharmacology , Peptide Fragments/pharmacology , Rats , Rats, Wistar
6.
Eur J Pharmacol ; 360(1): 51-4, 1998 Oct 30.
Article in English | MEDLINE | ID: mdl-9845272

ABSTRACT

Adrenomedullin intracerebroventricularly administered (0.1 to 20 ng/rat i.c.v.), showed significant gastroprotective activity in a dose-dependent manner. When the peptide was intravenously administered (1 to 1000 ng/kg i.v.) it did not show significant gastroprotective activity in the same test. The gastroprotective effect of the peptide (10 ng/rat) was abolished by bilateral adrenalectomy, by pretreatment with the beta-adrenoceptor antagonist, propranolol (1 mg/kg i.p.), or by a calcitonin gene-related peptide (CGRP) receptor antagonist, CGRP-(8-37) fragment (1 or 10 ng/rat i.c.v.). This study showed that adrenomedullin is protective against reserpine-induced gastric lesions, that the action involves sympathetic nerve activity, and moreover interferes with CGRP receptors.


Subject(s)
Gastric Mucosa/drug effects , Peptides/pharmacology , Reserpine/adverse effects , Stomach Ulcer/prevention & control , Vasodilator Agents/pharmacology , Adrenalectomy , Adrenomedullin , Animals , Anti-Ulcer Agents/administration & dosage , Anti-Ulcer Agents/pharmacology , Anti-Ulcer Agents/therapeutic use , Calcitonin Gene-Related Peptide/pharmacology , Calcitonin Gene-Related Peptide Receptor Antagonists , Dose-Response Relationship, Drug , Drug Administration Routes , Gastric Mucosa/pathology , Injections, Intravenous , Injections, Intraventricular , Male , Peptide Fragments/pharmacology , Peptides/administration & dosage , Peptides/therapeutic use , Phentolamine/pharmacology , Propranolol/pharmacology , Rats , Rats, Sprague-Dawley , Stomach Ulcer/chemically induced , Sympatholytics/pharmacology , Vasodilator Agents/administration & dosage , Vasodilator Agents/therapeutic use
7.
Pharmacol Res ; 38(3): 221-4, 1998 Sep.
Article in English | MEDLINE | ID: mdl-9782073

ABSTRACT

Peripheral administration of amylin (40 microg kg-1) exerts gastroprotective effects in the reserpine-induced gastric lesions in the rat. This activity is decreased by pretreatment (30 min before) with (-)-sulpiride (0.1 mg kg-1 s.c.) or domperidone (0.1-2.5 mg kg-1 per os), dopamine DA2 antagonists. Pretreatment with SCH 23390 (0.5-4 mg kg-1 s.c.), a DA1 antagonist, at the maximal dose used, also significantly decreased the gastroprotective activity of the peptide. Amylin does not exert any gastroprotective effect in indomethacin-pretreated rats (7.5 mg kg-1 s.c., 30 min before), as well as in the aspirin-induced ulcer test (200 mg kg-1 per os at the time of amylin administration). Our data confirm that the gastroprotective effect of amylin in reserpine-induced gastric lesions involves, at least in part, the dopaminergic transmission, interfering with both the DA1 and DA2 receptor subtypes.


Subject(s)
Amyloid/pharmacology , Anti-Ulcer Agents/pharmacology , Gastric Mucosa/drug effects , Receptors, Dopamine D1/physiology , Receptors, Dopamine D2/physiology , Animals , Benzazepines/pharmacology , Domperidone/pharmacology , Islet Amyloid Polypeptide , Male , Rats , Rats, Sprague-Dawley , Receptors, Dopamine D1/drug effects , Receptors, Dopamine D2/drug effects , Reserpine/toxicity , Sulpiride/pharmacology
8.
Eur J Pharmacol ; 332(2): 209-13, 1997 Aug 06.
Article in English | MEDLINE | ID: mdl-9286623

ABSTRACT

Subcutaneous administration of amylin (20-40 micrograms/kg) prevented, in a dose-dependent manner, reserpine- and serotonin-induced gastric damage, but the anti-ulcer effect was not present when lesions were induced by pylorus ligation. The protective effect of amylin was inhibited by pretreatment with capsicin as well as CGRP-(8-37), a calcitonin gene-related peptide (CGRP) and amylin receptor antagonist, and was significantly reduced by domperidone, a dopamine D2 receptor antagonist, or neostigmine, an inhibitor of acetylcholinesterase. Our data suggest that the gastroprotective activity of amylin in some experimental models of gastric ulcers involves capsaicin-sensitive fibers and CGRP receptors. Moreover, the peptide interferes, at least in part, with the dopaminergic and parasympathetic systems.


Subject(s)
Amyloid/therapeutic use , Anti-Ulcer Agents/therapeutic use , Stomach Ulcer/drug therapy , Amyloid/administration & dosage , Animals , Anti-Ulcer Agents/administration & dosage , Calcitonin Gene-Related Peptide/pharmacology , Disease Models, Animal , Dose-Response Relationship, Drug , Humans , Injections, Subcutaneous , Islet Amyloid Polypeptide , Male , Miotics/pharmacology , Peptide Fragments/pharmacology , Rats , Rats, Sprague-Dawley , Reserpine/toxicity , Stomach Ulcer/chemically induced
9.
Life Sci ; 60(11): PL175-80, 1997.
Article in English | MEDLINE | ID: mdl-9076327

ABSTRACT

Several peptide growth factors, including EGF, are known to protect endothelium from oxygen-related damage or ischemia-reperfusion, in vitro experiments show that such protective effect involves endogenous endothelium-related factors like nitric oxide and prostanoids. However, in vivo demonstrations of a possible role in related vascular diseases are lacking. In our experiments, human EGF and fraction C, a 3-10 kDa oligosaccharidic fraction from an aqueous extract of Triticum vulgare, known as growth promoters for several cell types including endothelial cells, were found protective against ischemic necrosis of the mouse tail induced by i.v. k-carrageenin plus endothelin-1. After i.p. injection, peak activities were observed at 10 micrograms/kg EGF and 2 mg/kg fraction C. Pretreatment with L-NAME reduced protection in a dose-dependent manner. Addition of indomethacin increased the effect of L-NAME, suggesting that both nitric oxide and eicosanoids are involved in the protective effect of EGF and fraction C.


Subject(s)
Epidermal Growth Factor/therapeutic use , Plant Extracts/therapeutic use , Tail/pathology , Animals , Disease Models, Animal , Dose-Response Relationship, Drug , Enzyme Inhibitors/pharmacology , Ischemia/complications , Male , Mice , NG-Nitroarginine Methyl Ester/pharmacology , Necrosis , Nitric Oxide Synthase/antagonists & inhibitors , Reperfusion Injury/prevention & control , Tail/blood supply , Tritium
10.
Ann Ital Chir ; 67(5): 661-7; discussion 667-8, 1996.
Article in Italian | MEDLINE | ID: mdl-9036825

ABSTRACT

Such a novel surgical project is supported by a large basic knowledge on molecular biology of solid tumours progression as well as the already assessed clinical experience in the parallel field of surgery for lung, brain and liver metastases. While pathology and the clinical work up have for a long time pointed out the steady rate of adrenal metastatic involvement from lung cancer (from 25 to 28% of all cases at the autopsy and, on clinical grounds, the most important site of extrapulmonary tumour spread just after the first one represented by the mediastinal lymphatic groups), the surgical approach to the problem is still very limited and the few operated cases previously reported in world literature (summing up to a total of 21) are not truly homogeneous and even largely scattered in time. The Authors report on their personal contribution in this field with four consecutive cases who underwent surgery during the last five years. The most important clinical features together with the initial remarkable result obtained in one patient who is still free of disease more than 3 years after the sequential radical resection of the primary lung tumour and the metastatic ipsilateral adrenal gland, are presented. In the light of this preliminary positive experience, the Authors are planning a sound clinical research based on the combined resection of those NSC Lung Cancers which appear surgically resectable but already included in an unresectable Stage IV Disease only because of the contemporary adrenal metastases (M1). An adjuvant chemotherapy in usually added.


Subject(s)
Adrenal Gland Neoplasms/secondary , Adrenal Gland Neoplasms/surgery , Adrenalectomy , Carcinoma, Non-Small-Cell Lung/secondary , Carcinoma, Non-Small-Cell Lung/surgery , Lung Neoplasms , Adrenal Gland Neoplasms/mortality , Carcinoma, Non-Small-Cell Lung/mortality , Female , Humans , Lung Neoplasms/mortality , Lung Neoplasms/surgery , Male , Pneumonectomy , Time Factors
11.
Experientia ; 52(7): 677-9, 1996 Jul 15.
Article in English | MEDLINE | ID: mdl-8698109

ABSTRACT

The effect of rat amylin on gastric emptying and intestinal transit in the rat was examined. Amylin administered intracerebroventricularly (1, 2, 2.5 or 4 micrograms/rat) produced the maximal decrease in gastric emptying and intestinal transit at the dose of 2.5 micrograms/rat. Higher doses produced a lower effect. Peripheral administration (25, 50 or 100 micrograms/kg) produced dose-dependent effects. Pre-treatment with neostigmine blocked the effect of amylin when it was centrally injected, while the effect of amylin given peripherally was partially reduced. Pre-treatment with domperidone decreased the inhibitory effect of peripherally injected amylin, but no effect was observed when the peptide was centrally injected.


Subject(s)
Amyloid/administration & dosage , Amyloid/pharmacology , Gastric Emptying/drug effects , Gastrointestinal Transit/drug effects , Animals , Injections, Intraventricular , Injections, Subcutaneous , Islet Amyloid Polypeptide , Male , Neostigmine/pharmacology , Rats , Rats, Sprague-Dawley
12.
Ann Ital Chir ; 67(3): 381-5, 1996.
Article in English | MEDLINE | ID: mdl-8936714

ABSTRACT

Preceded by an international overview on the surgical approach to the peripheral higher stage NSCLC, the cumulative clinical experience from ten Italian University Departments and Teaching Hospitals, is analyzed in the light of the corresponding international contributions. Accordingly, the clinical records of 470 patients affected by such Stage III tumors and surgically treated, were collected and retrospectively reviewed. 43 out of 120 patients belonging to the group of apical invasive Pancoast's tumour underwent an en-bloc chest-wall resection, while an extrapleural dissection was performed in the remaining 77. Combined segmentectomy was prevalent (54%), while lobectomy/bilobectomy was performed in 38%, wedge resection in 5% and pneumonectomy in 3% of all cases respectively. Preoperative high-voltage radiation was given in 70% of them; while adjuvant RT was requested in 17% of cases, mainly because of N1-2 status. Actuarial 5-year survival was 14% with a range of 0% in N2 cases to 21% in NO-1 ones. When considering surgical modes, the en-bloc chest-wall resection had a 5-year survival of 20% while the more limited extrapleural dissection yield only a 9% survival. Compared with the international experience the 14% 5-year survival is standing at the bottom of the scale. On the other hand, 350 patients belong to the other two main groups of peripheral tumors taken in consideration: the ones which, even apical, are yet lying anteriorly far enough from the costo-vertebral angle (apical non Pancoast tumor), and the other ones which are lower placed along the thoracic cage. The majority of these patients (213) were treated by an extrapleural dissection, while the remaining minority (123) received an en-bloc chest-wall resection with 1-2 ribs resected in 46%, 3 ribs in 38% and 4 ribs or more in 16%, respectively. Combined lobectomy/bilobectomy was prevalent (64%), while pneumonectomy was performed in 16%, more limited resections in 16% and exploration alone in 4% respectively. 5-year survival was 18% ranging from 0% in N2 patients to 23% in the NO-1 ones. The extrapleural dissection had a 5-year survival rate of 24.5%, while the en-bloc chest-wall resection yield a lower rate of 15.6%. This overall survival can be indeed considered nearer the international one, even if both surgical approach and the related 5-year survival rates are in full discordance with the compared international references.


Subject(s)
Lung Neoplasms/surgery , Humans , Italy , Lung Neoplasms/mortality , Lung Neoplasms/pathology , Neoplasm Staging , Survival Rate
13.
J Am Soc Nephrol ; 7(5): 786-91, 1996 May.
Article in English | MEDLINE | ID: mdl-8738815

ABSTRACT

Although cyclosporine has become the mainstay of immunosuppression in organ transplantation, there is still no consensus on the criteria to optimize its anti-rejection activity with minimum toxicity. A clear and objective definition of target cyclosporine trough levels at different times from renal transplantation is still lacking, primarily because of the lack of a model correlating cyclosporine levels with probability of rejection or toxicity. In this study, logistic-regression model was developed that was applied to data collected retrospectively from two postoperative periods, i.e., Days 0 to 9 and 10 to 30, in 135 consecutive cadaveric renal transplant recipients, for a total of 1851 determinations. Only minimum and maximum trough levels were considered for each period. Concentration-response curves were estimated for Days 0 to 9 (P = 0.0001 for efficacy and P = 0.028 for toxicity) and for Days 10 to 30 (P = 0.015 for efficacy and P = 0.037 for toxicity). Therapeutic intervals of 330 to 430 ng/mL (parent compound in whole blood) for Days 0 to 9 and 260 to 390 ng/mL for Days 10 to 30 predicted an incidence of acute rejection of 22% and 12%, respectively, with a reasonably low toxicity that primarily consisted of elevation of serum aminotransferases.


Subject(s)
Cyclosporine/pharmacology , Graft Rejection/prevention & control , Immunosuppressive Agents/pharmacology , Kidney Diseases/prevention & control , Kidney Transplantation/immunology , Logistic Models , Models, Biological , Adult , Cyclosporine/administration & dosage , Cyclosporine/adverse effects , Cyclosporine/blood , Cyclosporine/therapeutic use , Dose-Response Relationship, Drug , Humans , Immunosuppressive Agents/administration & dosage , Immunosuppressive Agents/adverse effects , Immunosuppressive Agents/blood , Immunosuppressive Agents/therapeutic use , Kidney Diseases/chemically induced , Kidney Diseases/surgery , Middle Aged , Prospective Studies
14.
Arch Gerontol Geriatr ; 22 Suppl 1: 131-8, 1996.
Article in English | MEDLINE | ID: mdl-18653020

ABSTRACT

Casual blood pressure (BP) measurements may sometimes indicate the presence of cardiovascular morbidity and mortality, but the correlations between BP values and the subsequent occurrence of such complications are low. This may depend on the known inability of casual BP measurements to reflect accurately the 24-hour mean and overall profile of the BP. In this study, electrocardiography (ECG) of left ventricular muscle mass was related to various measures of BP during circadian ambulatory BP monitoring in 156 hypertensive and non-hypertensive elderly patients. Multiple regression analysis performed to establish the presence of left ventricular hypertrophy (LVH) revealed that the product of ambulatory systolic BP x diastolic BP (p = 0.027) and ambulatory diastolic BP were significant variables. Clinical pressure variables were not significant. Multiple linear regression analysis to establish the degree of LVH in function of the pressure variables generated a model where the variables included are the product of ambulatory systolic BP x diastolic BP (p = 2.7 x 10(-8)), ambulatory systolic BP (p = 7.8 x 10(-6)) and ambulatory diastolic BP (p = 2.4 x 10(-6)). Results obtained agree with the literature and revealed that LVH evaluated using ECG-Romhilt-Estes score was correlated in terms of presence/absence of organ damage and in terms of score to ambulatory monitoring values.

15.
Funct Neurol ; 10(2): 83-90, 1995.
Article in English | MEDLINE | ID: mdl-7557556

ABSTRACT

Cognitive deficits are present in a substantial number of Multiple Sclerosis (MS) patients, particularly in those with the chronic-progressive type of the disorder. We assessed cognitive decline and its relationship with T2-weighted images on magnetic resonance imaging (MRI). We submitted a group of 26 patients with progressive MS to both MRI and a battery of neuropsychological tests. Cognitive impairment did not correlate with duration of illness or severity of neurological disability, but rather with the presence of extensive periventricular demyelination on MRI, evaluated as area of confluent lesions. These results suggest that cognitive deficits in MS represent a symptom of disease and not a parallel occurrence.


Subject(s)
Brain/physiopathology , Dementia/etiology , Magnetic Resonance Imaging , Multiple Sclerosis/complications , Multiple Sclerosis/physiopathology , Adult , Cognition Disorders , Dementia/diagnosis , Disability Evaluation , Female , Humans , Male , Neuropsychological Tests , Prospective Studies , Severity of Illness Index
16.
Pharmacol Res ; 31(1): 67-72, 1995 Jan.
Article in English | MEDLINE | ID: mdl-7784308

ABSTRACT

Recent reports from our laboratory gave evidence showing that propionyl-L-carnitine (PLC), unlike L-carnitine (LC) and acetyl-L-carnitine (ALC), has anti-inflammatory activity in some models of vascular inflammation in rodents. The present paper shows that PLC (50 to 200 mg kg-1 i.p.) inhibits rat paw oedema induced by platelet activating factor (PAF), while LC and ALC, as well as indomethacin and phenylbutazone, are ineffective. The extent of the maximal inhibition produced by PLC at 200 mg kg-1 was comparable to that of betamethasone 0.05 mg kg-1 or sodium salicylate 100 mg kg-1. PLC inhibited also the early phase (1-2 h) of carrageenin-induced rat paw oedema, which is partly dependent on PAF release, but it was ineffective in the eicosanoid-dependent late phase (3-4 h) of the carrageenin oedema. We suggest that such anti-inflammatory activity of PLC may be due to various mechanisms converging on a stabilizing action upon biomembranes.


Subject(s)
Cardiotonic Agents/therapeutic use , Carnitine/analogs & derivatives , Edema/drug therapy , Platelet Activating Factor , Animals , Cardiotonic Agents/pharmacology , Carnitine/pharmacology , Carnitine/therapeutic use , Carrageenan , Dose-Response Relationship, Drug , Edema/chemically induced , Indomethacin/therapeutic use , Male , Phenylbutazone/therapeutic use , Rats , Rats, Sprague-Dawley , Time Factors
17.
Life Sci ; 57(14): PL193-7, 1995.
Article in English | MEDLINE | ID: mdl-7564878

ABSTRACT

The anti-inflammatory activity of amylin was studied in different models of inflammation, and compared to that of CGRP. Both peptides were active against mouse ear oedema induced by croton oil and acetic acid-induced peritonitis in the rat. CGRP was more potent than amylin in both models. Pretreatment with CGRP 8-37 fragment blocked the anti-inflammatory activity of both peptides in croton oil ear oedema. No anti-inflammatory activity was evidenced against serotonin-induced rat paw oedema and plasma protein extravasation induced by dextran in rat skin. Our results suggest that amylin exerts anti-inflammatory activity only in inflammatory models characterized by a vascular component. This effect appears to be mediated by the involvement of CGRP receptors.


Subject(s)
Amyloid/pharmacology , Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Calcitonin Gene-Related Peptide/pharmacology , Analysis of Variance , Animals , Croton Oil , Inflammation/chemically induced , Inflammation/drug therapy , Islet Amyloid Polypeptide , Male , Mice , Rats , Rats, Sprague-Dawley
18.
Chir Ital ; 47(3): 18-23, 1995.
Article in Italian | MEDLINE | ID: mdl-8964093

ABSTRACT

Between 1978 and 1994, 55 patients (53 men and 2 women) with a mean age of 62 years underwent an extended lobectomy to the main bronchus, with bronchial re-anastomosis, for bronchogenic tumours located around the lobar orifice. There were 32 upper sleeve lobectomies (58%) with a wedge resection of carina in one instance, 7 lower mono/bilobectomies with an upper lobe "turn up" re-anastomosis (13%) and 16 upper wedge lobectomies (29%). Squamous cell carcinoma was predominant (32 patients, 58%), while the adenocarcinoma was present in 16%, adenosquamous in 5%, microcitoma in 9%, carcinoid in 4% and a well differentiated neuro-endocrine carcinoma in 2%. The indication for the bronchoplastic procedure was judged to be when the FEV, value was about -25% of the normal; in a few patients still in good respiratory condition, an elective indication was also admitted. Postoperative staging was: Stage 0 in 1 patient, Stage I in 7 patients; Stage II in 10 patients; Stage III A in 31 patients; Stage III B in 5 patients and Stage IV in 1 patient. Follow-up was completed with a mean extension of 40 months (range 3 months-16 years). There was no operative mortality in Stages I and II as well as in Stages III B and IV, while it was 9% in Stage III A patients. Survival rates according to the stage were as following: 66% 5 and 10 year for Stage I disease; 56% 5 year and 45% 10 year for Stage II disease; 7% 4 year for Stage III A. None of 5 patients belonging to Stage III B has survived for more than 18 months (mean 7). Some single survivals are mentioned because of their special clinical features. Besides stressing the absolute value of survival rates obtained in Stage I and II disease, the Author also point out the clinical role of these advanced surgical techniques in improving both the survival length and the quality of life, when applied for the treatment of more advanced Stage III A.


Subject(s)
Lung Neoplasms/surgery , Lung/surgery , Adult , Aged , Female , Follow-Up Studies , Humans , Lung Neoplasms/pathology , Male , Middle Aged , Neoplasm Staging , Survival Analysis
19.
Agents Actions ; 42(1-2): 29-33, 1994 Aug.
Article in English | MEDLINE | ID: mdl-7847181

ABSTRACT

Papaverine salicylate (MR-800) has been tested as a topical antiinflammatory agent in several models of skin inflammation in rodents, such as mouse ear dermatitis induced by croton oil, cantharidin or zymosan, and rat paw oedema induced by PAF. MR-800 exerted a dose-dependent inhibitory activity in all assays, when equimolar doses of sodium salicylate or papaverine were less effective, suggesting the existence of a favourable synergism between salicylate and papaverine.


Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Dermatitis/prevention & control , Edema/prevention & control , Papaverine/analogs & derivatives , Papaverine/pharmacology , Animals , Cantharidin , Croton Oil , Dermatitis/pathology , Dose-Response Relationship, Drug , Ear, External/pathology , Edema/chemically induced , Edema/pathology , Male , Mice , Platelet Activating Factor , Rats , Rats, Sprague-Dawley , Zymosan
20.
Brain Res ; 645(1-2): 13-8, 1994 May 09.
Article in English | MEDLINE | ID: mdl-8062075

ABSTRACT

Inhibition of forskolin-stimulated cAMP formation by (1S,3R)-1-aminocyclopentane-1,3-dicarboxylic acid (ACPD) in rat hippocampal slices was partially obliterated by the adenosine-depleting enzyme, adenosine deaminase, or by the adenosine receptor agonist, 5'-(N-ethylcarboxamido)-adenosine, suggesting that activation of metabotropic glutamate receptors (mGluRs) modulates the release of endogenous adenosine. Consistent with this hypothesis, forskolin stimulated the release of purines from rat hippocampal slices, and this effect was reduced by 1S,3R-ACPD. To establish which transduction pathway is involved in the modulation of forskolin-stimulated purine release, we have tested the novel mGluR2 agonist, (2S,1'R,2'R,3'R)-2-(2,3-dicarboxycyclopropyl)glycine (DCG-IV), which reduced forskolin-stimulated cAMP formation but, as opposed to 1S,3R-ACPD, did not stimulate polyphosphoinositide hydrolysis. DCG-IV was highly potent and more efficacious than 1S,3R-ACPD in inhibiting forskolin-stimulated purine release. Neither DCG-IV nor 1S,3R-ACPD reduced the release of purines stimulated by depolarizing concentrations of K+, suggesting that their effect was stimulus-specific. These results indicate that, in rat hippocampal slices, activation of mGluR2 receptors attenuates the release of purines induced by forskolin, a process that amplifies the final effect of forskolin on cAMP formation as a result of A2 purinergic receptor activation. Thus, the final effect of mGluR agonists on forskolin-stimulated cAMP formation in hippocampal slices depends on both a direct inhibition of adenylyl cyclase and the inhibition of adenosine release.


Subject(s)
Hippocampus/physiology , Purines/metabolism , Receptors, Metabotropic Glutamate/physiology , Synaptic Transmission , Adenosine/analogs & derivatives , Adenosine/pharmacology , Adenosine-5'-(N-ethylcarboxamide) , Animals , Colforsin/pharmacology , Cycloleucine/analogs & derivatives , Cycloleucine/pharmacology , Cyclopropanes/pharmacology , Glycine/analogs & derivatives , Glycine/pharmacology , In Vitro Techniques , Male , Neurotoxins/pharmacology , Rats , Rats, Sprague-Dawley
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