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1.
Behav Brain Res ; 328: 62-69, 2017 06 15.
Article in English | MEDLINE | ID: mdl-28390877

ABSTRACT

BACKGROUND: Patients with schizophrenia display impaired cognitive functioning and increased sensitivity to psychomimetic drugs. The neurodevelopmental hypothesis of schizophrenia posits that disruption of the developing brain predisposes neural networks to lasting structural and functional abnormalities resulting in the emergence of such symptoms in adulthood. Given the critical role of the glutamatergic system in early brain development, we investigated whether chronic prenatal exposure to the glutamate NMDA receptor antagonist, MK-801, induces schizophrenia-like behavioural and neurochemical changes in juvenile and adult rats. METHODS: Pregnant Long-Evans rats were administered saline or MK-801 (0.1mg/kg; s.c.) at gestation day 7-19. Object recognition memory and cognitive flexibility were assessed in the male offspring using a novel object preference task and a maze-based set-shifting procedure, respectively. Locomotor-activating effects of acute amphetamine and MK-801 were also assessed. RESULTS: Adult, but not juvenile, prenatally MK-801-treated rats failed to show novel object preference after a 90min delay, suggesting that object recognition memory may have been impaired. In addition, the set-shifting task revealed impaired acquisition of a new rule in adult prenatally MK-801-treated rats compared to controls. This deficit appeared to be driven by regression to the previously learned behaviour. There were no significant differences in drug-induced locomotor activity in juvenile offspring or in adult offspring following acute amphetamine challenges. Unexpectedly, MK-801-induced locomotor activity in adult prenatally MK-801-treated rats was lower compared to controls. CONCLUSIONS: Glutamate transmission dysfunction during early development may modify behavioural parameters in adulthood, though these parameters do not appear to model deficits observed in schizophrenia.


Subject(s)
Dizocilpine Maleate/toxicity , Excitatory Amino Acid Antagonists/toxicity , Executive Function/drug effects , Motor Activity/drug effects , Prenatal Exposure Delayed Effects , Recognition, Psychology/drug effects , Amphetamine/pharmacology , Animals , Central Nervous System Stimulants/pharmacology , Cognition/drug effects , Cognition/physiology , Dose-Response Relationship, Drug , Executive Function/physiology , Female , Learning/drug effects , Learning/physiology , Male , Memory/drug effects , Memory/physiology , Motor Activity/physiology , Pregnancy , Rats, Long-Evans , Receptors, N-Methyl-D-Aspartate/antagonists & inhibitors , Receptors, N-Methyl-D-Aspartate/metabolism , Recognition, Psychology/physiology , Schizophrenic Psychology
2.
Bull Exp Biol Med ; 133(6): 559-61, 2002 Jun.
Article in English | MEDLINE | ID: mdl-12447464

ABSTRACT

A positive dose-dependent effect of carnosine (beta-alanyl-L-histidine) on the lifespan of male Drosophila melanogaster flies was shown. The mean lifespan of male flies receiving 200 mg/liter carnosine approached that of females. At the same time carnosine had no effect on the lifespan of female flies. This positive effect of carnosine probably reflects its protective action against age-related accumulation of free radicals and did not depend on carnosine metabolism in the body. Addition of 200 mg/liter histidine and beta-alanine (separately or in combination) had no effect on the mean lifespan of flies.


Subject(s)
Antioxidants/pharmacology , Carnosine/pharmacology , Drosophila melanogaster/drug effects , Longevity/drug effects , Animals , Dose-Response Relationship, Drug , Female , Histidine/pharmacology , Male , Sex Factors , beta-Alanine/pharmacology
3.
Ther Drug Monit ; 23(5): 553-5, 2001 Oct.
Article in English | MEDLINE | ID: mdl-11591903

ABSTRACT

Abacavir and amprenavir, a nucleoside reverse transcription inhibitor and a protease inhibitor, respectively, are new drugs used for the treatment of HIV. Methadone blood concentrations were measured in five addict patients receiving methadone maintenance therapy before and after introduction of abacavir plus amprenavir. The administration of these two drugs for a median period of 14 days resulted in a significant reduction (P = 0.043) of methadone concentration, with a median decrease to 35% of the original concentration (range 28-87%). Two patients reported on several occasions nausea in the morning before the intake of the daily methadone dose, which is compatible with withdrawal reaction to opioids. Because amprenavir is a cytochrome P4503A4 substrate and is involved in the metabolism of methadone, reduction of methadone concentrations could be explained by an induction of cytochrome P4503A4.


Subject(s)
Analgesics, Opioid/blood , Dideoxynucleosides/pharmacology , HIV Protease Inhibitors/pharmacology , Methadone/blood , Reverse Transcriptase Inhibitors/pharmacology , Sulfonamides/pharmacology , Acquired Immunodeficiency Syndrome/complications , Acquired Immunodeficiency Syndrome/drug therapy , Carbamates , Drug Interactions , Drug Therapy, Combination , Furans , HIV-1/drug effects , Humans , Substance-Related Disorders/complications
4.
Qual Life Res ; 9(4): 405-14, 2000.
Article in English | MEDLINE | ID: mdl-11131933

ABSTRACT

OBJECTIVES: This study aimed to assess the validity of COOP charts in a general population sample, to examine whether illustrations contribute to instrument validity, and to establish general population norms. METHODS: A general population mail survey was conducted among 20-79 years old residents of the Swiss canton of Vaud. Participants were invited to complete COOP charts, the SF-36 Health Survey; they also provided data on health service use in the previous month. Two thirds of the respondents received standard COOP charts, the rest received charts without illustrations. RESULTS: Overall 1250 persons responded (54%). The presence of illustrations did not affect score distributions, except that the illustrated 'physical fitness' chart drew greater non-response (10 vs. 3%, p < 0.001). Validity tests were similar for illustrated and picture-less charts. Factor analysis yielded two principal components, corresponding to physical and mental health. Six COOP charts showed strong and nearly linear relationships with corresponding SF36 scores (all p < 0.001), demonstrating concurrent validity. Similarly, most COOP charts were associated with the use of medical services in the past month. Only the chart on 'social support' partly deviated from construct validity hypotheses. Population norms revealed a generally lower health status in women and an age-related decline in physical health. CONCLUSIONS: COOP charts can be used to assess the health status of a general population. Their validity is good, with the possible exception of the 'social support' chart. The illustrations do not affect the properties of this instrument.


Subject(s)
Health Status , Health Surveys , Psychometrics/methods , Adult , Aged , Factor Analysis, Statistical , Female , Humans , Linear Models , Male , Middle Aged , Reference Values , Reproducibility of Results , Social Support , Switzerland
5.
Tohoku J Exp Med ; 191(2): 85-99, 2000 Jun.
Article in English | MEDLINE | ID: mdl-10946918

ABSTRACT

The effect of dietary carnosine on the behavioral and biochemical characteristics of rats under experimental ischemia was studied. Carnosine was shown to improve the animals orientation and learning in "Open Field" and "T-Maze" tests, and this effect was accompanied with an increase in glutamate binding to N-methyl-D-aspartate (NMDA) receptors in brain synaptosomes. Long-term brain ischemia induced by both sides' occlusion of common carotid arteries resulted in 55% mortality of experimental rats, and those who survived were characterized by partial suppression of orientation in T-maze. In the group of rats treated with carnosine, mortality after ischemic attack was decreased (from 55% to 17%) and most of the learning parameters were kept at the pre-ischemic level. Monoamine oxidase B (MAO B) activity in brain of the carnosine treated rats was not changed by ischemia significantly (compared to that of ischemic untreated rats) but NMDA binding to brain synaptosomal membranes being increased by ischemic attack was significantly suppressed and reached the level characteristic of normal brain. The suggestion was made that carnosine possesses a dual effect on NMDA receptors resulting in increase in their amount after long-term treatment but decrease the capacity to bind NMDA after ischemic attack.


Subject(s)
Antioxidants/pharmacology , Brain Ischemia/drug therapy , Brain Ischemia/metabolism , Carnosine/pharmacology , Animals , Brain/drug effects , Brain/metabolism , Brain Ischemia/psychology , Exploratory Behavior/drug effects , Glutamic Acid/metabolism , Male , Maze Learning/drug effects , Monoamine Oxidase/metabolism , N-Methylaspartate/metabolism , Rats , Rats, Wistar , Receptors, N-Methyl-D-Aspartate/drug effects , Receptors, N-Methyl-D-Aspartate/metabolism , Synaptosomes/drug effects , Synaptosomes/metabolism
6.
Biochemistry (Mosc) ; 65(7): 866-8, 2000 Jul.
Article in English | MEDLINE | ID: mdl-10951107

ABSTRACT

The naturally occurring dipeptide carnosine (beta-alanyl-L-histidine) has been found to exert an anti-senescence effect when used as a dietary supplement. Carnosine clearly improved the external appearance of experimental animals and provided beneficial physiological effects, thus maintaining the animals in better condition than control animals receiving no carnosine or a mixture of beta-alanine and L-histidine.


Subject(s)
Aging/drug effects , Carnosine/pharmacology , Aging/pathology , Animals , Mice , Models, Animal
9.
Biosci Rep ; 19(6): 581-7, 1999 Dec.
Article in English | MEDLINE | ID: mdl-10841274

ABSTRACT

Carnosine attenuates the development of senile features when used as a supplement to a standard diet of senescence accelerated mice (SAM). Its effect is apparent on physical and behavioral parameters and on average life span. Carnosine has a similar effect on mice of the control strain, but this is less pronounced due to the non-accelerated character of their senescence processes.


Subject(s)
Aging/drug effects , Aging/physiology , Carnosine/pharmacology , Animals , Body Weight/drug effects , Female , Hair/drug effects , Male , Mice , Mice, Mutant Strains , Skin/drug effects
10.
Nat Med ; 4(7): 794-801, 1998 Jul.
Article in English | MEDLINE | ID: mdl-9662370

ABSTRACT

We show that the fraction of proliferating CD4+ lymphocytes is similar in HIV-infected subjects in the early stage of disease and in HIV-negative subjects, whereas the fraction of proliferating CD8+ lymphocytes is increased 6.8-fold in HIV-infected subjects. After initiation of antiviral therapy, there is a late increase in proliferating CD4+ T cells associated with the restoration of CD4+ T-cell counts. These results provide strong support for the idea of limited CD4+ T-cell renewal in the early stage of HIV infection and indicate that after effective suppression of virus replication, the mechanisms of CD4+ T-cell production are still functional in early HIV infection.


Subject(s)
Anti-HIV Agents/therapeutic use , CD4-Positive T-Lymphocytes/immunology , Dideoxynucleosides/therapeutic use , HIV Infections/drug therapy , HIV Infections/immunology , HIV Protease Inhibitors/therapeutic use , Reverse Transcriptase Inhibitors/therapeutic use , Sulfonamides/therapeutic use , Adult , Aged , CD4-CD8 Ratio , CD8-Positive T-Lymphocytes/immunology , Carbamates , Cell Division , Drug Therapy, Combination , Female , Furans , Humans , Ki-67 Antigen/metabolism , Lymph Nodes/metabolism , Male , Middle Aged
11.
Heredity (Edinb) ; 78 ( Pt 6): 571-7, 1997 Jun.
Article in English | MEDLINE | ID: mdl-9203351

ABSTRACT

Aquarius remigoides Gallant and Fairbairn has recently been described as specifically distinct from A. remigis (Say) based upon genetic and morphological data. Both species are common, semiaquatic bugs (Hemiptera; Gerridae) found on the surface of streams and small rivers. Allozyme studies have shown them to be more distantly related than most other congeneric species in the Gerridae, with significant barriers to gene flow where their ranges abut. We assess postmating reproductive isolation between A. remigoides and A. remigis, using a bracket cross design with five sampling sites along a north-south cline traversing the hybrid zone. We also report the results of long-distance conspecific crosses of A. remigis, using populations from California and Quebec. Neither these nor the intraspecific bracket crosses reveal any evidence of isolation by distance within species. However, heterospecific crosses show significantly reduced fertility, hatching success, survival of both sexes to eclosion (final moult) and percentage of males. Egg production is not influenced by cross type, and we found no evidence of hybrid sterility in either sex. Analyses of genotypic frequencies at three isozyme loci in eight hybrid and 22 pure populations reveal significant deficiencies of heterozygotes in hybrid populations. The proportion of males is also significantly lower in hybrid populations than in pure populations. The laboratory and field results indicate that postmating isolation between these two species occurs in the form of severe reductions in both the fertility of heterospecific crosses and the viability of hybrids, particularly hybrid males. Genetic mechanisms for Haldane's rule and asymmetries in the reciprocal heterospecific crosses are discussed.


Subject(s)
Crosses, Genetic , Genetic Variation , Hemiptera/genetics , Reproduction/genetics , Animals , Female , Fertility/genetics , Genetics, Population , Heterozygote , Male , Ovum/physiology , Sampling Studies , Sex Ratio
12.
Endocr Res ; 22(4): 681-9, 1996 Nov.
Article in English | MEDLINE | ID: mdl-8969928

ABSTRACT

We have previously reported that the Wistar/Furth (W/Fu) rat strain is resistant to mineralocorticoid hypertension. In the current study, we have examined renal mRNA levels for mineralocorticoid receptor (MR), glucocorticoid receptor (GR), renin and Na+, K(+)-ATPase in response to treatment with mineralocorticoids. Uninephrectomized male Wistar (WI) and W/Fu rats were treated with aldosterone or deoxycorticosterone acetate (DOCA) and were given 1% NaCl to drink. Rats were sacrificed after 1, 3 or 7 days of treatment. Renal MR and ATPase mRNA levels were significantly reduced in aldosterone and DOCA-treated WI rats (e.g. MR was 30% on day 3 and ATPase was 50% of control on day 7 of aldosterone treatment). Unexpectedly, GR mRNA levels paralleled the changes in MR. In W/Fu rats the level of message was either unchanged or only moderately altered by this treatment. In vivo administration of the MR antagonist RU28318 or the GR antagonist RU38486 to WI rats for 4 days reduced renal mRNA levels for both subunits of ATPase. In the W/Fu rat, this treatment resulted in no change in the alpha subunit and an increase in the beta subunit of ATPase. In preliminary studies, we have determined that the W/Fu rat is also resistant to dexamethasone-induced hypertension. These studies suggest that altered MR- and GR-mediated mechanisms may contribute to the resistance of the W/Fu rat strain to steroid-induced hypertension.


Subject(s)
Hypertension/etiology , Mineralocorticoids , Adenosine Triphosphatases/genetics , Aldosterone/pharmacology , Animals , Desoxycorticosterone/pharmacology , Dexamethasone , Gene Expression/drug effects , Male , Mineralocorticoid Receptor Antagonists , RNA, Messenger/metabolism , Rats , Rats, Inbred WF , Receptors, Glucocorticoid/antagonists & inhibitors , Receptors, Glucocorticoid/genetics , Receptors, Glucocorticoid/metabolism , Receptors, Mineralocorticoid/genetics , Receptors, Mineralocorticoid/metabolism , Renin/genetics
13.
J Neuroimmunol ; 65(2): 107-17, 1996 Apr.
Article in English | MEDLINE | ID: mdl-8964892

ABSTRACT

Macrophage (M phi) responsiveness can be regulated by various mediators, including those which emanate from, and mimic, the sympathetic nervous system. Whereas beta-adrenergic agonists suppress, alpha 2-adrenergic agonists augment lipopolysaccharide (LPS)-stimulated tumor necrosis factor (TNF) production and gene expressed. The susceptibility of M phi s to regulation of LPS-induced TNF production and mRNA accumulation was examined following beta-adrenergic and alpha 2-adrenergic receptor activation at specific time points post-LPS challenge. Complete Freund's adjuvant-elicited murine M phi s were incubated with LPS (30 ng/ml) in the presence or absence of adrenergic agonists or antagonists. We assessed the susceptibility of immunologically-activated M phi s to adrenergic receptor regulation: a) during the 1 h delay in the production of TNF after LPS-stimulation, and b) during the rapid increase in TNF production which follows. Disparate responsiveness of M phi s to adrenergic drugs was observed during this time course of TNF production and TNF mRNA accumulation. In particular, while the concomitant addition of an alpha 2-adrenergic antagonist and LPS resulted in 45% suppression of TNF production, this selective blockade of alpha 2-adrenergic receptors on M phi s was equally effective throughout the first 45 min post-LPS challenge. After this initial period, the alpha 2-adrenergic receptor became progressively less responsive as demonstrated by the delayed addition of yohimbine (10(-5) M) post-LPS challenge. The addition of the selective alpha 2-adrenergic agonist UK-14304 (10(-7) M) to LPS-activated M phi s augmented TNF mRNA accumulation. However, this augmentation was even greater when the addition of the alpha 2-adrenergic agonist was delayed post-LPS challenge. It was also shown that the beta-adrenergic agonist isoproterenol (10(-6) M) produced maximum suppression of TNF production within the first 1.5 h post-LPS challenge. Suppression by isoproterenol (10(-6) M) of TNF mRNA accumulation occurred throughout the 2-h period assessed post-LPS stimulation of M phi s. The decline in isoproterenol-induced regulation was accompanied by an elevation in beta 2-adrenergic receptor mRNA accumulation. Furthermore, suppression of TNF production induced by a maximum concentration of isoproterenol was observed at various LPS concentrations (0.001-1000 ng/ml), although this was not as pronounced a suppression as demonstrated for dibutyrl cAMP. These results demonstrate that the susceptibility of M phi s to adrenergic receptor regulation changes throughout the time period necessary for gene activation and ultimate release of TNF. Thus, the production of TNF during LPS-dependent disease states may be regulated by adrenergic mediators throughout different temporal windows, better explaining the role played by the nervous system.


Subject(s)
Lipopolysaccharides/pharmacology , Macrophages/metabolism , Receptors, Adrenergic/physiology , Tumor Necrosis Factor-alpha/biosynthesis , Adrenergic alpha-Agonists/pharmacology , Adrenergic beta-Agonists/pharmacology , Animals , Base Sequence , Bucladesine/pharmacology , Cells, Cultured , Female , Isoproterenol/pharmacology , Mice , Mice, Inbred CBA , Molecular Sequence Data , Oligonucleotide Probes/genetics , Osmolar Concentration , RNA, Messenger/metabolism , Time Factors , Tumor Necrosis Factor-alpha/genetics
14.
Endocr Res ; 22(1): 59-75, 1996 Feb.
Article in English | MEDLINE | ID: mdl-8690007

ABSTRACT

The role of androgen receptors in androgen-induced changes in rat adrenocortical and liver cytochrome c oxidase (COX) has been investigated. The anti-androgen flutamide, blunted the increase in COX activity and COX subunits II/III and IV, that is seen with androgen treatment. Testicular feminized (Tfm) rats had levels of COX activity and COX subunits II/II and IV in adrenal cortex and liver that were intermediate between the high levels found in normal male rats and the lower levels of normal female rats. These data suggest that androgen effects on adrenal and liver COX are mediated through interactions with androgen receptors known to be present in these issues. However, the observed changes in COX activity and COX subunits were not accompanied by altered levels of mRNAs encoding for COX II or COX IV.


Subject(s)
Adrenal Cortex/enzymology , Androgen Antagonists/pharmacology , Androgen-Insensitivity Syndrome/enzymology , Electron Transport Complex IV/metabolism , Flutamide/pharmacology , Liver/enzymology , Adrenal Cortex/drug effects , Animals , Blotting, Northern , Blotting, Western , Female , Liver/drug effects , Male , RNA, Messenger/metabolism , Rats , Rats, Sprague-Dawley
15.
Womens Health ; 2(4): 243-9; discussion 261-6, 1996.
Article in English | MEDLINE | ID: mdl-9421559

ABSTRACT

Navarro and Kaplan's article on the cost-effectiveness of mammography screening for women under 50 offers a limited perspective on a complex and rapidly evolving issue. They suggest that eliminating mammography benefits for younger women will result in the delivery of other important women's health services, but they provide no data on the cost-effectiveness of these programs compared to mammography. Four other areas of omission significantly limit this article's scope and potential impact. Navarro and Kaplan do not discuss: 1) increasing breast cancer incidence in women under 50, particularly in African-American women; 2) the importance of breast cancer risk in relation to mammography screening; 3) the relevance of meta-analyses of randomized clinical trials done by other investigators; and 4) the heterogeneity of mammography screening recommendations in clinical practice.


Subject(s)
Breast Neoplasms/epidemiology , Health Policy , Mammography/economics , Adult , Age Factors , Breast Neoplasms/economics , Cost-Benefit Analysis , Female , Humans , Mass Screening/economics , Middle Aged , Women's Health Services/economics
16.
Biotechnol Bioeng ; 47(3): 355-72, 1995 Aug 05.
Article in English | MEDLINE | ID: mdl-18623411

ABSTRACT

Nonlinear adsorption plays an important role in determining the chromatographic behavior of proteins in preparative ion-exchange chromatography. In this article, the steric mass action (SMA) isotherm is used in conjunction with a mass transport model to describe nonlinear cation-exchange chromatography. Excellent agreement is observed between simulated and experimental step gradient separations of the proteins alpha-chymotryp-sinogen A, cytochrome C, and lysozyme. A systematic method of selecting the optimum step gradient program for a given separation problem is presented and employed to study optimization of step gradient chromatography under conditions of high mass loading. This article includes consideration of the effects of the adsorption properties of the feed stream, the feed stream concentration, protein solubility, and otherconstraints on the optimum separation conditions.(c) John Wiley & Sons, Inc.

17.
Mol Cell Endocrinol ; 112(2): 185-94, 1995 Aug 11.
Article in English | MEDLINE | ID: mdl-7489822

ABSTRACT

A comparative study of cytochrome c oxidase (COX) activity and expression as well as cytochrome P-45011 beta expression has been carried out on the adrenal cortex of male and female rats. COX has also been examined in rat liver. In addition, the effect of testosterone replacement in orchiectomized male rats on adrenal COX has also been investigated. Adult male rats had higher COX activity in adrenal (255%) and liver (144%) mitochondria compared to adult female rats. Male rat adrenals and liver also had increased levels of COX II, a mitochondria-encoded COX subunit, and of COX IV, a nucleus-encoded COX subunit, as measured by Western analysis. In contrast, cytochrome P-45011 beta levels were lower (48%) in adrenal mitochondria from male rats than those of female rats. There was no significant sex difference in the level COX II and COX IV mRNAs in adrenal or liver, whereas the cytochrome P-45011 beta mRNA was 4-fold higher in female adrenals than in males. In male rats, orchiectomy caused a 23% decrease and testosterone replacement a 66% increase in adrenal COX activity. There were no corresponding changes in the levels of mRNAs encoding for COX subunits, suggesting post-transcriptional effects of testosterone on COX. These results are consistent with a regulatory role of testosterone on the expression of components of the respiratory and steroidogenic electron transport chains.


Subject(s)
Adrenal Cortex/enzymology , Electron Transport Complex IV/metabolism , Sex Characteristics , Steroid 11-beta-Hydroxylase/metabolism , Animals , Blotting, Northern , Blotting, Western , Electron Transport Complex IV/genetics , Female , Male , Orchiectomy , RNA, Messenger/analysis , Rats , Rats, Sprague-Dawley , Steroid 11-beta-Hydroxylase/genetics , Testosterone/pharmacology
18.
Endocr Res ; 21(1-2): 109-14, 1995.
Article in English | MEDLINE | ID: mdl-7588371

ABSTRACT

Both steroid 11 beta-hydroxylation and cholesterol side chain cleavage occur in the mitochondria of adrenocortical cells and they require reducing power in the form of NADPH. There are direct sources of NADPH in rat adrenal mitochondria but another potential source of NADPH is the energy-linked transhydrogenase reaction. This suggests that there is a relationship between the steroidogenic and respiratory chains. We have elaborated upon this relationship by exploring the expression of cytochrome c oxidase (CO) and cytochrome P-45011 beta. We have studied the regulation of one mitochondrial-encoded (COII) and one nuclear-encoded (COIV) subunit. Normal, untreated male rats had higher basal levels of activity of CO in adrenal (255%) and liver (144%) mitochondria, compared to normal, untreated female rats. They also had increased COII (300% and 138%) and COIV (300% and 135%). Cytochrome P-45011 beta levels, however, were lower (48%) in adrenal mitochondria of male rats than those of female rats. Androgen treatment of male rats caused an increase in the activity of CO in the mitochondria of the adrenal gland with the levels being 171% of the corresponding controls. This increase in activity paralleled an increase in the levels of COII and COIV in the adrenal as measured by Western analysis. In contrast, adrenal cytochrome P-45011 beta levels were lower (68%). Androgen treatment caused no significant change in the levels of mRNA's for COII and COIV whereas cytochrome P-45011 beta mRNA was significantly lower than normal.(ABSTRACT TRUNCATED AT 250 WORDS)


Subject(s)
Adrenal Cortex/drug effects , Androgens/pharmacology , Electron Transport Complex IV/drug effects , Liver/drug effects , Sex Characteristics , Steroid 11-beta-Hydroxylase/drug effects , Adrenal Cortex/metabolism , Animals , Electron Transport , Electron Transport Complex IV/metabolism , Female , Liver/metabolism , Male , Rats , Rats, Sprague-Dawley , Steroid 11-beta-Hydroxylase/metabolism
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