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Natural Birth & Parenting Natural Birth & Parenting

Scientists Discover Children’s Cells Living in Mothers’ Brains

Posted by on Dec. 31, 2012 at 4:28 PM
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1 mom liked this

Scientists Discover Children’s Cells Living in Mothers’ Brains

The connection between mother and child is ever deeper than thought

The link between a mother and child is profound, and new research suggests a physical connection even deeper than anyone thought. The profound psychological and physical bonds shared by the mother and her child begin during gestation when the mother is everything for the developing fetus, supplying warmth and sustenance, while her heartbeat provides a soothing constant rhythm.

The physical connection between mother and fetus is provided by the placenta, an organ, built of cells from both the mother and fetus, which serves as a conduit for the exchange of nutrients, gasses, and wastes. Cells may migrate through the placenta between the mother and the fetus, taking up residence in many organs of the body including the lung, thyroid muscle, liver, heart, kidney and skin. These may have a broad range of impacts, from tissue repair and cancer prevention to sparking immune disorders.

It is remarkable that it is so common for cells from one individual to integrate into the tissues of another distinct person. We are accustomed to thinking of ourselves as singular autonomous individuals, and these foreign cells seem to belie that notion, and suggest that most people carry remnants of other individuals. As remarkable as this may be, stunning results from a new study show that cells from other individuals are also found in the brain. In this study, male cells were found in the brains of women and had been living there, in some cases, for several decades. What impact they may have had is now only a guess, but this study revealed that these cells were less common in the brains of women who had Alzheimer’s disease, suggesting they may be related to the health of the brain.

We all consider our bodies to be our own unique being, so the notion that we may harbor cells from other people in our bodies seems strange. Even stranger is the thought that, although we certainly consider our actions and decisions as originating in the activity of our own individual brains, cells from other individuals are living and functioning in that complex structure. However, the mixing of cells from genetically distinct individuals is not at all uncommon. This condition is called chimerism after the fire-breathing Chimera from Greek mythology, a creature that was part serpent part lion and part goat. Naturally occurring chimeras are far less ominous though, and include such creatures as the slime mold and corals.

 Microchimerism is the persistent presence of a few genetically distinct cells in an organism. This was first noticed in humans many years ago when cells containing the male “Y” chromosome were found circulating in the blood of women after pregnancy. Since these cells are genetically male, they could not have been the women’s own, but most likely came from their babies during gestation.

In this new study, scientists observed that microchimeric cells are not only found circulating in the blood, they are also embedded in the brain. They examined the brains of deceased women for the presence of cells containing the male “Y” chromosome. They found such cells in more than 60 percent of the brains and in multiple brain regions. Since Alzheimer’s disease is more common in women who have had multiple pregnancies, they suspected that the number of fetal cells would be greater in women with AD compared to those who had no evidence for neurological disease. The results were precisely the opposite: there were fewer fetal-derived cells in women with Alzheimer’s. The reasons are unclear.


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by on Dec. 31, 2012 at 4:28 PM
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Replies (1-10):
jellyphish
by Platinum Member on Dec. 31, 2012 at 4:42 PM
Wow! This is so fascinating!!
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melindabelcher
by on Dec. 31, 2012 at 4:45 PM
Really cool. I never would have guessed this!!
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jellyphish
by Platinum Member on Dec. 31, 2012 at 6:17 PM
Ok I have to say, late 2011 my incredible and much beloved grandmother passed, and we all miss her so sooo much. (all her grandchildren have decided we're getting her name in her handwriting tattooed). It's actually a little comforting that she's literally physically with us still. I just love this concept!!
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SadieJames
by on Dec. 31, 2012 at 6:23 PM

Holy sh*t.  That's amazing.

Mrs.Salz
by on Dec. 31, 2012 at 6:40 PM
1 mom liked this

It makes me feel differently about my miscarriage too :)

Quoting jellyphish:

Ok I have to say, late 2011 my incredible and much beloved grandmother passed, and we all miss her so sooo much. (all her grandchildren have decided we're getting her name in her handwriting tattooed). It's actually a little comforting that she's literally physically with us still. I just love this concept!!


Nee86
by Bronze Member on Dec. 31, 2012 at 9:30 PM
Quoting Mrs.Salz:




Agreed. Makes me feel a little better about my son. My belief is he is with me spiritual but know I feel better knowing he is physically with me as well.
Terpsichore
by Member on Dec. 31, 2012 at 9:36 PM

So weird that this is published December 4, 2012 when I've heard about this before.

Mrs.Salz
by on Dec. 31, 2012 at 9:37 PM

I vaguely remember reading a similar article about this several months ago.

Quoting Terpsichore:

So weird that this is published December 4, 2012 when I've heard about this before.


tabi_cat1023
by Group Mod - Tabitha on Dec. 31, 2012 at 10:37 PM

thats pretty neat

thundersky
by on Jan. 1, 2013 at 2:45 PM

interesting

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