Sentences with phrase «in human brain samples»

Analyses of amplified bacterial 16 s rRNA sequences disclosed that Proteobacteria was the principal bacterial phylum in all human brain samples with similar bacterial rRNA quantities in HIV and ODC groups despite increased host neuroimmune responses in the HIV group.

The team discovered that the levels of various lipids found in human brain samples, especially from the neocortex, stood out.

Not exact matches

In 2007, researchers published the first randomized, controlled study of the effect of being raised in an orphanage; that study, and subsequent research on the same sample of Romanian orphans, found that compared with babies placed with a foster family, those who were sent to institutions had lower IQs, slower physical growth, problems with human attachment and differences in functioning in brain areas related to emotional developmenIn 2007, researchers published the first randomized, controlled study of the effect of being raised in an orphanage; that study, and subsequent research on the same sample of Romanian orphans, found that compared with babies placed with a foster family, those who were sent to institutions had lower IQs, slower physical growth, problems with human attachment and differences in functioning in brain areas related to emotional developmenin an orphanage; that study, and subsequent research on the same sample of Romanian orphans, found that compared with babies placed with a foster family, those who were sent to institutions had lower IQs, slower physical growth, problems with human attachment and differences in functioning in brain areas related to emotional developmenin functioning in brain areas related to emotional developmenin brain areas related to emotional development.

More work has to be done on humans as many of the results showed up in mice samples, however in studying the human brains of women who had AD scientists found significantly less male fetal tissue in their brains as in the same of women who did not have AD.

The researchers detected this SMN long noncoding RNA, or lnc - RNA (pronounced «link RNA») for short, in human embryonic kidney cells, brain cell samples and neurons derived from the stem cells of healthy people and those with spinal muscular atrophy type I and II.

The search for more of these factors is complicated by the rarity of brain samples from suicide victims and the lack of an animal model — humans are unique in their wilful ability to end their lives.

This study was conducted in samples taken from rat brains, but sleep is thought to induce backward firing in human neurons, too.

HBI member V. Wee Yong, PhD and research associate Susobhan Sarkar, PhD, and their team including researchers from the Department of Clinical Neurosciences and the university's Southern Alberta Cancer Research Institute, looked at human brain tumor samples and discovered that specialized immune cells in brain tumor patients are compromised.

They confirmed low levels of miR - 184 expression in human glioma tissue samples and cultured cell lines as well as an increase in the expression of SND1 compared to normal brain tissue.

Historically, animal models — from fruit flies to mice — have been the go - to technique to study the biological consequences of aging, especially in tissues that can't be easily sampled from living humans, like the brain.

When Rupprecht conducts rabies genetic research in China, he finds it is easier to sample brain tissue from deceased humans than from animals.

Using postmortem human brain samples, the researchers found that variations in the number of copies of the C4 gene that people had, and the length of their gene, could predict how active the gene was in the brain.

The study of human astrocytes has faced issues related to access (samples of living tissue must be obtained from brain cancer or epilepsy surgeries or fetal tissue) and purification (breaking apart astrocytes away from other cells often killed them and many experiments ended in failure).

The authors of the new study — a multicenter effort led by Kent State University anthropologists C. Owen Lovejoy and Mary Ann Raghanti and published January 22 in PNAS — began by measuring neurotransmitter levels in brain samples from humans, chimpanzees, gorillas, baboons and monkeys, all of whom had died of natural causes.

Scientists at the University of Luxembourg have succeeded in turning human stem cells derived from skin samples into tiny, 3 - D, brain - like cultures that behave very similarly to cells in the human midbrain.

The researchers analyzed the concentrations of 5,713 different lipids, or fat molecules and their derivatives, present in samples of brain, kidney and muscle tissues taken from humans, chimpanzees, macaques and mice.

Usually, because of the inaccessibility of brain tissue in living humans, epigenetic studies are carried out using blood samples.

Analysis of more human brain samples, including smaller brain nuclei, is thus desirable in order to generate a more detailed map of protein distribution in the brain.

To that end, Kandel and his team gathered a sample of human brains and measured the activity of genes in that region.

In samples from the brains of humans, cats, and monkeys, she saw patches containing high concentrations of opioid receptor - bearing neurons, surrounded by a dense matrix of nerve fibers rich in acetyl cholinesterasIn samples from the brains of humans, cats, and monkeys, she saw patches containing high concentrations of opioid receptor - bearing neurons, surrounded by a dense matrix of nerve fibers rich in acetyl cholinesterasin acetyl cholinesterase.

This is especially so in a series of seven medium - sized, thickly layered works - the earliest in the exhibition - that suggest various coagulated microcosms: sticky honeycomb; the human brain; obscure samples in Petri dishes; oily, broken - down newsprint.