The Effects of 3,4-methylenedioxymethamphetamine on Neurogenesis in the Hippocampus of Male Rats.

INTRODUCTION: The administration of 3,4-methylenedioxymethamphetamine (MDMA) or ecstasy causes memory impairment, whereas neurogenesis improves memory and learning. Hence, this study evaluated the effects of MDMA on neurogenesis in the hippocampus of male rats. METHODS: Adult male Wistar rats received Intraperitoneal (IP) injections of MDMA (10 mg/ kg). We assessed nestin, sex-determining region Y-box 2 (Sox2), and NeuroD expressions according to the immunohistochemistry analyses. RESULTS: MDMA reduced the expressions of nestin, Sox2, and NeuroD compared with the control groups. The reduction in NeuroD expression was age-related. CONCLUSION: MDMA possibly has negative effects on neurogenesis, which specifically results from impaired survival of newborn cells.

Exploring the Effects of Vitamin D Supplementation on Cognitive Functions and Mental Health Status in Subjects Under Methadone Maintenance Treatment.

OBJECTIVES: Vitamin D deficiency may be linked to several mental complications including cognitive deficits, depression, and anxiety in patients under methadone maintenance treatment (MMT). This study was designed to explore the effect of vitamin D supplementation on cognitive functions and mental health parameters in subjects under MMT. METHODS: This randomized, double-blinded, placebo-controlled clinical trial was carried out among 64 patients under MMT. Participants were randomly allocated to receive either 50,000 IU vitamin D supplements (n = 32) or placebo (n = 32) every 2 weeks for 24 weeks. Cognitive functions and mental health parameters were taken at baseline and posttreatment to evaluate relevant variables. RESULTS: After the 24-week intervention, compared with the placebo, serum 25(OH) vitamin D levels significantly increased in participants who received vitamin D supplements (ß 14.50; 95% confidence interval [CI], 13.17-15.83; P < 0.001). In addition, compared with the placebo, subjects who received vitamin D had a significant reduction in Iowa Gambling Task (ß -6.25; 95% CI, -8.60 to -3.90; P < 0.001), and significant increases in Verbal Fluency Test (ß 2.82; 95% CI, 0.78-4.86; P = 0.007), Immediate Logic Memory (ß 1. 32; 95% CI, 0.27-2.37; P = 0.01), Reverse Digit Span (ß 2.06; 95% CI, 1.18-2.94; P < 0.001) and visual working memory (ß 0.75; 95% CI, 0.33-1.16; P = 0.001). Also, vitamin D supplementation significantly improved BDI (ß -2.76; 95% CI, -3.97 to -1.55; P < 0.001) compared with the placebo. When we applied Bonferroni correction, LM-Immediate (P = 0.07) became nonsignificant, and other mental health parameters did not alter. CONCLUSIONS: Overall, taking 50,000 IU vitamin D supplements every 2 weeks for 24 weeks by patients under MMT had beneficial effects on cognitive functions and some mental health parameters. Further studies are needed to confirm our findings.

Factors associated with time between using a drug and injection initiation among people who inject drugs in Kermanshah, Iran.

Background The transition from non-injection to injection drug use dramatically increases the risk of transmitting HIV and other blood borne infections including hepatitis B virus (HBV) and hepatitis C virus (HCV). The aim of this study was to explore factors associated with the transition from first illicit drug use to first injection among drug users. Methods Using snowball sampling and convenience sampling through needle and syringe programmes (NSPs), we recruited 500 people who inject drugs (PWID) in Kermanshah, between September and December 2014. Trained interviewers collected data on socio-demographic characteristics, HIV testing and drug-related risk behaviors over the last month prior to interview using a structured questionnaire. Our main outcome variable was first illicit drug use to first injection (TIJ). TIJ was calculated by subtracting age at first drug injection from age of first illicit drug use. Results Overall, the average age at first drug use and injection were 21.4 [standard deviation (SD 5.6)] and 22.8 (SD 8.9), respectively. The average duration of injection was 6.0 (SD 4.6) years. Overall, the mean of TIJ for participants was 1.4 (IQR = 2, 4) years. Age of first injecting drug use negatively correlated with TIJ (R2 = 0.219, p = 0.001). Education level and socioeconomic status (SES), and negatively correlated with TIJ. Conclusion Some demographic factors and drug use characteristics including educational level, SES, knowledge of HIV status, age of initiating drug use, being a poly drug user and using methamphetamine were predictors of the time to transition.

HIV Risk Perception and Risky Behavior Among People Who Inject Drugs in Kermanshah, Western Iran.

PURPOSE: Understanding and increasing awareness on individual risk for HIV infection as well as HIV risk perception's effects on different behavioral outcomes for people who inject drugs (PWID) is important for policymaking and planning purposes. The objectives of the present study were to determine whether HIV risk perception was associated with greater injection and sexual risk-taking behaviors among PWIDs. METHOD: We surveyed 460 PWID in Kermanshah regarding their demographic characteristics, sexual risk behaviors, HIV risk perception, and drug-related risk behaviors in the month prior to the study. Three classes of HIV risk perception were identified using ordinal regression to determine factors associated with HIV risk perception. RESULTS: Study participants were categorized as follows: "low" (n = 100, 22%), "moderate" (n = 150, 32%), and "high" (n = 210, 46%) risk perception for becoming infected with HIV. The odds of categorizing as "high" risk for HIV was significantly greater in PWID that reported unprotected sex (adjusted odds ratio (AOR) 2.4, p value 0.02), receptive syringe sharing (AOR 1.8, p value 0.01), and multiple sex partners (AOR 1.4, p value 0.03). PWID who reported unprotected sex had 2.7 times the odds of "high" risk perception when compared to PWID with "low" risk perception. CONCLUSION: Findings show that PWID could rate their HIV risk with acceptable accuracy. Additionally, perceived HIV risk was associated with many risk factors for transmission of HIV, emphasizing the importance of developing targeted prevention and harm reduction programs for all domains of risk behaviors, both sexual and drug-related use.

Risk factors of suicidal ideation and attempt in women with drug user spouses.

BACKGROUND: Despite ample evidence of the presence of mental and psychological disorders observed in the family members of drug users, few studies have attempted to focus on suicidal behavior in women whose spouses are drug users. METHODS: This cross-sectional study focused on 131 women who had a drug user spouse. They had all been married for >2 years, with no mental or psychological disorders and no history of drug use prior to marriage. Drug use history after marriage, the extent and nature of physical and non-physical wife abuse, and any history of suicidal ideation and attempt in the past year were collected, in addition to data about anxiety and depression. RESULTS: Our study showed that women who identified with a history of suicidal ideation and attempt were younger, had a shorter marital duration, had a more extensive history of drug use, were more likely to be abused by their spouse, and had higher anxiety and depression scores than their counterparts. Suicidal ideation predictors included a personal history of drug use [odds ratio (OR) = 9.217, 95% confidence interval (CI) = 1.727-49.180, p = 0.009] and anxiety and depression (OR = 1.080, 95% CI = 1.022-1.141, p = 0.004), whereas suicidal attempt predictors included a personal history of drug use (OR = 7.236, 95% CI = 1.671-31.326, p = 0.010), exposure to physical abuse by spouse (OR = 4.005, 95% CI = 1.393-11.523, p = 0.008), and anxiety and depression (OR = 1.092, 95% CI = 1.015-1.175, p = 0.018). CONCLUSION: The findings of this study showed that a personal history of drug use, an elevated anxiety score, and depression and exposure to physical abuse by their spouse may act as predictors of suicidal ideation or attempt in women with a drug user spouse. These findings may serve to benefit and support healthcare systems, associated with ongoing efforts to develop preventive programs for suicidal behavior in this population.

Evaluation of Bcl-2 Family Gene Expression in Hippocampus of 3, 4-methylenedioxymethamphetamine Treated Rats.

OBJECTIVE: 3,4-methylenedioxymethamphetamine (MDMA) is an illicit, recreational drug that causes cellular death and neurotoxicity. This study evaluates the effects of different doses of MDMA on the expression of apoptosis-related proteins and genes in the hippocampus of adult rats. MATERIALS AND METHODS: In this expremental study,a total of 20 male Sprague Dawley rats (200-250 g ) were treated with MDMA (0, 5, 10, 20 mg/kg i.p. twice daily) for 7 days. Seven days after the last administration of MDMA, the rats were killed. Bax and Bcl-2 genes in addition to protein expressions were detected by western blot and reverse transcriptionpolymerase chain reaction (RT-PCR).Results were analyzed using one-way ANOVA and p≤0.05 was considered statistically significant. RESULTS: Our results showed that MDMA caused dose dependent up-regulation of Bax and down-regulation of Bcl-2 in the hippocampus. There was a significant alteration in bcl-2 and bax genes density. CONCLUSION: Changes in apoptosis-related proteins and respective genes relating to Bax and Bcl-2 might be involved in the molecular mechanism of MDMA-induced apoptosis.

Pattern of smoking and nicotine dependence in patients with psychiatric disorders.

BACKGROUND: Smoking prevalence is high among psychiatric patients. This study aimed to evaluate the prevalence of smoking, related factors and nicotine dependence in patients suffering from psychiatric disorders. MATERIALS AND METHODS: This analytical descriptive study was performed on patients who had been hospitalized for at least 2 days in Razi Hospital during 2010. Data were collected via an interview and the obtained information was recorded in a questionnaire. Fagerstrom test was also used. After determining the prevalence of smoking in these patients, the related factors and nicotine dependence were also evaluated using multiple logistic regression test and SPSS software. RESULTS: A total of 78.4% of men and 36.2% of women in this study were smokers and 64.4% had high nicotine dependence. Final logistic regression models showed that smoking was related with advanced age, male sexuality, hookah consumption, and depression. High nicotine dependence was correlated with hookah consumption and history of suicide attempt. CONCLUSION: Prevalence of smoking is higher among psychiatric patients compared to the public. Adequate intervention and strategies are necessary in these patients to promote smoking cessation.