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image: Image of the Day: Sperm Protectors

Image of the Day: Sperm Protectors

By The Scientist Staff | August 18, 2017

Among their many functions, macrophages in mouse testes guard sperm against attacks by other immune cells. 

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image: Sperm Stem Cell Maintenance

Sperm Stem Cell Maintenance

By Jenny Rood | March 2, 2015

A missing transcription factor puts an early end to sperm production in mice.

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image: It Takes Two

It Takes Two

By Jef Akst | November 21, 2013

Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.

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image: X Marks the Spot for Sperm Production

X Marks the Spot for Sperm Production

By Chris Palmer | July 21, 2013

A new genetic analysis suggests the human X chromosome evolves rapidly and plays a specialized role in sperm production.

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image: Loss of Microtubule Regulator Blocks Sperm Maturation

Loss of Microtubule Regulator Blocks Sperm Maturation

By Sabrina Richards | May 24, 2012

New research suggests that controlling cytoskeletal dynamics in sperm accessory cells may help regulate male fertility.

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