news archive genetic news - June 30, 2003

June 30, 2003

your information resource in human molecular genetics

-	A Nap May Be As Good As A Full Night’s Sleep A short nap that includes the two major sleep states may be just as effective as a night’s sleep to fully learn various perceptual skills following training.
-	A Brain Region For Universal Grammar? Broca’s area, a region of the brain involved in language, may be a neural substrate for universal grammar.
-	HIV’s Common Touch Individuals with rare forms of a highly variable class of immune molecules are best able to control infection.
-	Arthritis Susceptibility Linked To Gene Variant A gene variant that confers susceptibility to the disease is identified.
-	Stem Cells Cure Diabetes-Like Disease In Mice Bone marrow stem cells transplanted into mice with a diabetes-like illness raise the animals’ insulin to near-normal levels and significantly reduce their blood sugar levels.
-	Dendritic Cells Respond To Viral Infection The research suggests that multiple dendritic cell types can initiate immune responses in answer to certain viral infections.
-	The Mechanics Of Speech Production Study reveals how the brain can control purely mechanical aspects of speech independent of sound production.
-	Y Chromosome Sequence Unveiled The detailed genome sequence of the male-making human Y chromosome is unveiled.
-	Molecular Fingerprint Predicts HIV-Associated Dementia The study suggests a possible way to screen HIV patients for the first signs of cognitive impairment.