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image: CRISPR Used in Human Embryos to Probe Gene Function

CRISPR Used in Human Embryos to Probe Gene Function

By | September 20, 2017

OCT4 is necessary for blastocyst formation in the human embryo, researchers report.

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A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.

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image: Vitamin C Blocks Leukemia Progression in Mice

Vitamin C Blocks Leukemia Progression in Mice

By | August 17, 2017

High-dose vitamin C injections reverse the effects of a leukemia-promoting genetic deficiency.

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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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image: Bone Marrow Isn’t the Only Source of Platelets

Bone Marrow Isn’t the Only Source of Platelets

By | June 1, 2017

Scientists have estimated that about half of murine platelet production occurs in the lungs.

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image: Blood Stem Cells Grown in the Lab

Blood Stem Cells Grown in the Lab

By | May 17, 2017

Researchers identify transcription factors and environmental conditions necessary to reprogram human and mouse cells into cells that function like hematopoietic stem cells.

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image: Synthetic Bones: A Better Bone-Marrow Transplant?

Synthetic Bones: A Better Bone-Marrow Transplant?

By | May 9, 2017

Artificial bones produce new blood cells in mice, obviating the need for irradiation to kill off resident hematopoietic stem cells in recipients.

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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