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Berkeley Lab researchers discover critical rotational motion in cells
Date:1/26/2012

cant delay between the second and third round of breast cell divisions in the 3D ECM surrogate gel. This mitotic delay is similar to the mitotic delay that's been observed during human blastocyst formation and is critical for normal embryogenesis. Tanner says the delay is probably necessary for the progeny to acquire sufficient adhesion so that the CAMo can be maintained for the adhere cells. This finding may provide a possible explanation for how the mammary gland reorganizes after each pregnancy and involution.

"Once the cells are sufficiently adhered to one another, they can continue CAMo as a cohesive unit," Tanner says. "We postulate that this cohesive CAMo motility is the mechanism by which the original structure of the breast tissue is restored following lactation and breast feeding."

The next step for the research team will be to study the effects of CAMo from the perspective of the ECM.

"We would like to look at the interaction of the ECM with a single cell as it undergoes CAMo and show the in vivo relevance," Tanner says.


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Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert  

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