About 9% of men of reproductive age in the United States experience fertility problems. One of the many causes of male ...

Although assisted reproductive technologies (ARTs), such as in vitro fertilization (IVF), have had a tremendous impact on treating certain forms of infertility—not all forms of infertility can be ...

Germ cell development begins with the specification of primordial germ cells (PGCs) in the early embryo, which subsequently migrate to the developing gonads and undergo extensive epigenetic ...

Can fragments of tumor DNA in the blood predict whether chemotherapy will be effective? Researchers at the Princess Máxima Center investigated this question together with experts from Italy and ...

Maternal messenger RNAs (mRNAs), located within the cytoplasm of an immature egg, are crucial for jump starting development. Following fertilization, these mRNAs are passed onto the zygote, the first ...

Lab-grown sperm could soon become a reality after scientists were able to create germ cells, the precursor to reproductive cells.

Non-seminoma is a type of germ-cell testicular cancer. Treatment may include surgery to remove a testicle, lymph node removal, and chemotherapy. Most cases of testicular cancer develop from germ cells ...

July 10, 2026 expert reaction to study attempting to generate spermatogonia from human and macaque pluripotent stem cells in the lab . A study published in Cell Stem Cell looks at ...

Tsukuba, Japan—Animal organs are enclosed by a specialized epithelial layer. Epithelial cells typically exhibit apicobasal polarity: their apical surfaces contact other cells or the environment, ...