Genome DNA Cells Neurons particles molecules

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Genome DNA Cells Neurons particles molecules

Message  gerardM le Sam 21 Déc - 11:53

To discover other pages please click on the top right. the page numbers appear there.
Hi everyone,

What about this one?

-> Scientists print eye cells using inkjet printer
University of Cambridge researchers print two types of retinal cells from adult rats and hope the development could one day contribute to a cure for some types of human blindness.


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Study Says New Method Could Be a Quicker Source of Stem Cells

Message  gerardM le Mer 29 Jan - 19:13

Hi everyone,

Good for improvement re human health
-> Study Says New Method Could Be a Quicker Source of Stem Cells
A surprising study has found that a simple acid bath might turn cells in the body into stem cells that could one day be used for tissue repair and other medical treatments.

-> New stem cell technique may aid medical treatments

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Re: Genome DNA Cells Neurons particles molecules

Message  MurielB le Mer 29 Jan - 22:07

yes Gérard if a simple acid bath can turn any cell from the human body into a stem cell it is very good news. when  stem cells derive from embryonic tissues there is an ethic problem . That 's the reason why France is lagging behind as far as researches are concerned.

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Jeu 30 Jan - 13:05

Good news indeed.

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Neanderthals gave us disease genes

Message  gerardM le Ven 31 Jan - 12:02

Hi everyone,

Anyone interested in Neanderthals?

-> Neanderthals gave us disease genes
Gene types that influence disease in people today were picked up through interbreeding with Neanderthals, a major study in Nature journal suggests.

They passed on variants involved in type 2 diabetes, Crohn's disease and - curiously - smoking addiction.

Genome studies reveal that our species (Homo sapiens) mated with Neanderthals after leaving Africa.

Similar links from the BBC Web site:


  • Diabetes risk 'from Neanderthals'
  • Neanderthals 'could speak like us'
  • Mystery early human revealed in DNA
  • Neanderthal genes 'survive in us'

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Ven 31 Jan - 17:31

Hi everyone,

Scientific American also posted on the subject
-> Sex with Neandertals Introduced Helpful and Harmful DNA into Modern Human Genome
Sex with Neandertals Introduced Helpful and Harmful DNA into Modern Human Genome

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Dim 2 Fév - 20:31

Bonsoir à tous,

Si je me souviens bien, jusque là Neandertal nous avait donné 1-4 % de nos gènes (plus précisément, des gènes des humains non Africains)

Eh bien voila que maintenant, c'est 20 % !
-> Plus de Neandertal en nous ?
En comparant des génomes ancien et modernes, des scientifiques américains ont découvert qu’environ 20% du génome néandertalien persiste dans les populations humaines actuelles.

D'ici qu'on nous dise que les Neandertals sont encore parmi nous...

~~ édition
Je suis en train de lire...
Si je comprends bien, les 4 % sont le pourcentage de gènes en chacun de nous (hors Afrique), les 20 % représentent le pourcentage de la variété de tous les gènes.

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Lun 3 Fév - 22:24

Hi everyone,

Other articles on the subject:
-> Neandertals and Moderns Made Imperfect Mates
-> Resurrecting Surviving Neandertal Lineages from Modern Human Genomes

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Re: Genome DNA Cells Neurons particles molecules

Message  MurielB le Mar 4 Fév - 8:55

Hi Gérard
Have you read the series Earth's children ? http://en.wikipedia.org/wiki/Earth's_Children
The books are about the period of co-existence between Cro-Magnons and Neanderthals. I have read them in French.
The clan are the Neanderthals and the others are the Cro-Magnons. It was very interesting to note their mental differences.

Physiologically, the Clan are heavier and broader but also shorter than the people of The Others. They are very slow to embrace change and to innovate, and they still chase after animals to spear them directly, whereas the Cro-Magnons are enthusiastic about innovation and have moved on to projectile spears. The Clan's tools, clothing, and household implements are similarly less refined and sometimes less effective than those of their Cro-Magnon counterparts, whose implements and other goods are more technologically sophisticated.
The Clan's reluctance to change is depicted by Auel as a function of their cognition; they are presented as dependent upon their racial-genetic memory. The average Clan child needs only be 'reminded' of a thing to know it permanently, though skilled tasks still require repetitive practice. Furthermore, the need to encode everything into a child's brain has increased the average Neanderthal head size to the point that, by the time of the first novel, women of the Clan are having trouble giving birth to their large-headed babies—a sign that their evolutionary strategy has run its course.

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Re: Genome DNA Cells Neurons particles molecules

Message  MurielB le Mar 4 Fév - 14:17

Hi Everyone
Earth's children from Jean Marie Auel is very convincing because true to life.
http://www.jeanauel.com/about.php

She immersed herself in the available historical and scientific data, learning everything she could about life more than 30,000 years ago. Her extensive, precise research became a hallmark of her work, earning her the respect of archeologists, anthropologists, and paleontologists worldwide for her subtle interpretation of facts and artifacts

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New Stem Cells a Genetic Match for Adults

Message  gerardM le Mar 22 Avr - 19:59

Howdy,


(click pic to read article)

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Scientists create 'alien' life form with artificial genetic code

Message  gerardM le Jeu 8 Mai - 23:24

Hi there.



No other comment than "Scientists create 'alien' life form with artificial genetic code"... what do you think?

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Jeu 8 Mai - 23:27

Hi,

2 similar links:

-> Scientists Create First Living Organism With 'Artificial' DNA

-> Scientists Have Created "Alien" DNA

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Re: Genome DNA Cells Neurons particles molecules

Message  MurielB le Ven 9 Mai - 7:58

Hi Gérard, everyone !
It's amazing and I also support science and research as long as man remains wise and careful. Anyway the question " how far can we go in playing the sorcerer's apprentice ?" remains to be asked.   
However, it's also incredibly hopeful as this kind of science could help us do great things like cure cancer. That is, if we don't accidentally create some new kind of cancer first
what is useful is to improve life  not to the detriment of safety that's all. We don't care about researchers' vanity or purse.


Dernière édition par MurielB le Ven 9 Mai - 18:49, édité 6 fois

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Re: Genome DNA Cells Neurons particles molecules

Message  Remy le Ven 9 Mai - 8:25

Some people have an artificial life, even being made in a normal way... Very Happy

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Re: Genome DNA Cells Neurons particles molecules

Message  gerardM le Ven 9 Mai - 18:31

It takes all sorts to make a world.

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Changing Our DNA Through Mind Control?

Message  gerardM le Jeu 18 Déc - 17:50

Howdy.

Don't you anticipate a bit here guys??

Scientific American magazine

"Findings from a new study published in Cancer by a Canadian group suggest that our mental state has measurable physical influence on us – more specifically on our DNA."



Changing Our DNA Through Mind Control?
A study finds meditating cancer patients are able to affect the makeup of their DNA
SCIENTIFICAMERICAN.COM|PAR BRET STETKA

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Re: Genome DNA Cells Neurons particles molecules

Message  MurielB le Jeu 18 Déc - 20:16

Hi everyone !
mind and body are likely to communicate .
People somatise. Anyway to be able to change DNA through mind control is amazing !

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DNA Editing of Human Embryos Alarms Scientists

Message  gerardM le Ven 13 Mar - 22:58

Howdy.

Scientific American magazine


Rumors abound that scientists are working on editing the genes of human embryos.



DNA Editing of Human Embryos Alarms Scientists
A call by scientists to halt to precision gene-editing of DNA in human embryos would allow time to work out safety and ethical issues
SCIENTIFICAMERICAN.COM|PAR DAVID CYRANOSKI,NATURE MAGAZINE

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Ancient Human With 10 Percent Neanderthal Genes Found

Message  gerardM le Lun 22 Juin - 21:43

Howdy.

Discovery News


ANCIENT HUMAN WITH 10 PERCENT NEANDERTHAL GENES FOUND: The finding of a cross-breed suggests that interbreeding with Neanderthals was more common than previously thought.



Ancient Human With 10 Percent Neanderthal Genes Found : DNews
The DNA finding suggests that Interbreeding with Neanderthals appears to have been more common than previously thought.
NEWS.DISCOVERY.COM

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Chemical treatment transforms skin cells into neurons

Message  gerardM le Jeu 6 Aoû - 21:53

Howdy.

News from Science


Two teams of scientists have found different ways to perform the same biological identity swap: turning skin cells into neurons. Both approaches involve merely adding a few chemicals to cells and could lead to new ways to treat a person’s disease using cells from their own body.



Chemical treatment transforms skin cells into neurons
Two teams of scientists determine chemicals that turn skin cells into brain cells
NEWS.SCIENCEMAG.ORG

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Kirigami-inspired Solar Cells Could Capture More Sunlight Even On Slanted Roofs

Message  gerardM le Dim 20 Sep - 15:53

Howdy.

Greenpeace International


Delicate film solar cells inspired by ancient Japanese artforms bend to meet the Sun's rays



Kirigami-inspired Solar Cells Could Capture More Sunlight Even On Slanted Roofs: Here's Why
Using the Japanese art of Kirigami, University of Michigan researchers developed lightweight sun tracking solar cells capable of absorbing more energy from the...
TECHTIMES.COM|PAR TECH TIMES

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Neuron Transplants May One Day Reverse Blindness

Message  gerardM le Ven 30 Oct - 15:19

Howdy.

Scientific American magazine


Scientists successfully restored full youthful plasticity in adult mice by transplanting young neurons into their brain—curing their severe visual impairments in the process.



Neuron Transplants May One Day Reverse Blindness
Scientists restored youthful brain plasticity and vision in mice
SCIENTIFICAMERICAN.COM|PAR JESSICA SCHMERLER

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The 3230 genes you can’t do without

Message  gerardM le Ven 13 Nov - 14:36

Howdy.

News from Science


Mess with any of these genes and you’ll find yourself kaput.



The 3230 genes you can’t do without
Massive DNA study pinpoints top suspects for causing disease
NEWS.SCIENCEMAG.ORG

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U.K. researcher receives permission to edit genes in human embryos

Message  gerardM le Mar 2 Fév - 1:06

Howdy.

News from Science


As the debate over human gene editing continues, a biologist in the UK has received approval to modify human embryos using CRISPR:



U.K. researcher receives permission to edit genes in human embryos
Proposed experiments will study the earliest stages of embryo development
SCIENCEMAG.ORG

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