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Tag: "methamphetamine" at biology news

Chemists identify immune system mechanism for methamphetamine binges

...es that the immune system may be able to recognize methamphetamine and boost tolerance to the drug through an unusual...rug can engage the body's defense system to attack methamphetamine in such a way that makes users inclined to use more of the drug, the researchers say. Their study, w...

One hit of crystal meth causes birth defects

A single prenatal dose of methamphetamine ?commonly known as speed ?may be enough to cause l...etermined that exposing pregnant mice only once to methamphetamine led to delivery of offspring with long-term neurodevelopmental problems, including reduced motor co-...

Methamphetamine Abuse, HIV Infection Cause Changes in Brain Structure

... the American Journal of Psychiatry indicates that methamphetamine abuse and HIV infection cause significant alterati...n and quickly processing information. Co-occurring methamphetamine abuse and HIV infection appears to result in greater impairment than each condition alone. “Methamp...

Amphetamines reverse Parkinson's disease symptoms in mice

...h high doses of amphetamine derivatives ?including methamphetamine and MDMA, otherwise known as Ecstasy ?reversed those symptoms. Ecstasy was most effective at counteracting the manifestations of Parkinson's symptoms in the mice, with the beneficial effects becoming more pronounced with increasing dose. The researc...

Meth promotes spread of virus in HIV-infected users

...c cells overloaded with virus due to the action of methamphetamine can overwhelm the T cells, the major target of HIV, and disrupt the immune response, promoting HIV infection. "Now that we have identified the target receptor, we can develop ways to block that receptor and decrease the viral spread," said Nair....

Hair samples show babies can be exposed to 'crystal meth' while in the womb

Babies can be exposed to methamphetamine or "crystal meth" while in the womb, reveals an analysis of hair samples, published ahead of print in the Fetal and Neonatal Edition of Archives of Disease in Childhood. Unlike hair, the most commonly used detection methods (blood and urine), canno...

First biomarker for human sleepiness identified in fruit flies

...b previously showed that they can use caffeine and methamphetamine to keep flies awake. Caffeine inflicts sleep debt,...leep for extended periods when it wears off, while methamphetamine does not. When they monitored fly amylase levels in response to these drugs, they found caffeine dro...

OHSU lab finds meth receptor that could lead to therapy

...ost recent article, we provide clear evidence that methamphetamine is a full and potent agonist of TAAR1. In other wo...cessary features to be considered a real target of methamphetamine and amphetamine in rodents and probably humans, too." Grandy added that it's his hope that "these...

Common treatment for methamphetamine overdose may damage brain cells

...ntipsychotic drug used in emergency rooms to treat methamphetamine overdose damages nerve cells in an area of the bra...he combination of the medication, haloperidol, and methamphetamine causes the destructive effects, not either one alone. Senior author Bryan Yamamoto, PhD, and his tea...

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