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1.
J Endocrinol Invest ; 28(3 Suppl): 3-7, 2005.
Article in English | MEDLINE | ID: mdl-16042354

ABSTRACT

The quest for eternal youth has been prevalent in civilised societies in many cultures for many centuries. Preventing or deferring the disabilities and morbidities associated with aging through judicious pharmacotherapy has become a particularly relevant healthcare target with the rapid and relentless global demographic shift towards an increasingly elderly population in the 21th century. Aging men commonly loose muscle, become frail, have impaired sexual and cognitive functions, low mood, develop osteopenia and/or osteoporosis with increased risk for fractures and gain visceral fat which predisposes to diabetes, dyslipidaemia, and ischemic heart disease. These alterations in body function are reminiscent of states of androgen deficiency in younger patients. Indeed, aging is associated with a progressive age-related but variable decline in sex hormones. This condition has been named partial androgen deficiency in aging men (PADAM) and consists in a gradual decline in sex hormone levels over years resulting in physical and psychological changes as depression, impotence, decreased sex drive, loss of muscle tone or strength and lethargy. In this review we have tried to give a real identity to PADAM and quantify its entitiy, using the power of the epidemiology.


Subject(s)
Aging , Androgens/deficiency , Aged , Aged, 80 and over , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Epidemiology , Humans , Hypogonadism/complications , Male , Obesity/complications , Obesity/epidemiology , Risk Factors
2.
Int J Immunopathol Pharmacol ; 18(1): 15-9, 2005.
Article in English | MEDLINE | ID: mdl-15698507

ABSTRACT

Cannabinoids are the constituents of the marijuana plants. The central effects of exogenous cannabinoids are implicated in enhancing mood, altering emotional states, and interfering in the formation of short-term memory. Cannabinoid receptors are G protein-coupled receptors with seven transmembrane domains that are expressed on the cell surface with their binding domain exposed to the extracellular space. To date, two cannabinoid receptors have been cloned, CB1 and CB2. Recent evidence suggests that a third CB3 receptor is out there, waiting to be cloned. The endocannabinoids may represent the first members of a new classes of neuromodulators, that are not stored in cell vesicles, but rather synthesised by the cell on demand. The endogenous cannabinoid system could play a central role in several neuropsychiatric disorders and is also involved in other conditions such as pain, spasticity and neuroprotection. Implication of cannabinoid system in the pathogenesis and development of schizophrenia is also discussed.


Subject(s)
Mental Disorders/metabolism , Nervous System Diseases/metabolism , Receptors, Cannabinoid/metabolism , Humans , Mental Disorders/psychology , Nervous System Diseases/psychology , Receptors, Cannabinoid/genetics , Receptors, Cannabinoid/physiology , Schizophrenia/etiology
3.
Clin Infect Dis ; 29(2): 352-5, 1999 Aug.
Article in English | MEDLINE | ID: mdl-10476741

ABSTRACT

Eight patients were infected or colonized with imipenem-resistant Klebsiella pneumoniae (IRKP) from December 1994 to November 1995. Initial Klebsiella isolates were susceptible to imipenem but resistant to all cephalosporins, aminoglycosides, and beta-lactam inhibitor combinations. All patients had been in the surgical intensive care unit and had undergone abdominal surgery or tracheostomy during hospitalization. The average age of the patients was 71 years (range, 41-81 years). All patients were treated with imipenem for 5 to 36 days, and IRKP was recovered from each during or after therapy. Pulsed-field gel electrophoresis (PFGE) of the IRKP isolates revealed three distinct clonal patterns. Paired sequential isolates of imipenem-susceptible K. pneumoniae and IRKP from two patients had identical PFGE patterns, suggesting the development of clonal stepwise resistance to imipenem during therapy. Thus, imipenem resistance in Klebsiella may occur when this agent is used for treatment of infection due to ceftazidine- and aminoglycoside-resistant strains.


Subject(s)
Imipenem/pharmacology , Klebsiella Infections/microbiology , Klebsiella pneumoniae/genetics , Thienamycins/pharmacology , Adult , Aged , Aged, 80 and over , DNA, Bacterial/analysis , Drug Resistance, Microbial , Electrophoresis, Gel, Pulsed-Field/methods , Female , Humans , Klebsiella Infections/epidemiology , Klebsiella Infections/mortality , Klebsiella pneumoniae/classification , Klebsiella pneumoniae/drug effects , Klebsiella pneumoniae/isolation & purification , Male , Middle Aged
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