Fertility

Sperm individualization

Delicate Demolition

19.05.2016

Biochemistry, Molecular and Cell Biology, Disease, Drugs & Diagnostics, Fertility

How does a sperm cell become an "individual?"

Locations of different opsins on the human sperm, viewed under a microscope, are revealed by labeling with a fluorescent antibody (bright yellow)

Sperm “See” It Hot

24.10.2015

Molecular and Cell Biology, Fertility

Proteins better known as visual sensors play a role in the heat-seeking movement of sperm

Clusters of human embryonic stem cells that were differentiated to an early germ cell (PGC) state (colored cells). Each color reveals the expression of a different gene. (l-r) NANOS3, NANOG, OCT4 and, on the right, all three combined in a single image

Human Primordial Cells Created in the Lab

24.12.2014

Stem Cells, Molecular and Cell Biology, Fertility, Genetics

A cell programming technique developed at the Weizmann Institute turns them into the earliest precursors of sperm and ova

Where Have all the Mitochondria Gone?

Where Have all the Mitochondria Gone?

15.05.2014

Molecular and Cell Biology, Fertility, Genetics

Weizmann Institute researchers shed light on a crucial step in fertilization

Mature oocyte, ready for fertilization; surrounding the oocyte are follicle cells

The X Factor of Ovulation

24.01.2012

Biochemistry, Molecular and Cell Biology, Fertility

What keeps the eggs in the ovary from maturing until the time comes for ovulation?

Pregnant Venus. The other side of stress molecules

Antioxidants: Food Supplement or Birth Control?

08.05.2011

Disease, Drugs & Diagnostics, Fertility

The “stress” molecules eliminated by common food supplements play a positive role in ovulation.

Weizmann Institute Scientists Discover: Antioxidants Cause Fertility Problems in Females

Weizmann Institute Scientists Discover: Antioxidants Cause Fertility Problems in Females

18.01.2011

Disease, Drugs & Diagnostics, Fertility

Antioxidants are sold over the counter everywhere. They’re added to food, drink and face cream. But according to Prof. Nava Dekel of the Biological...

Hannah Esther Angel Kaman. Sucessful pregnancy

Life-Giving Research

11.08.2010

Cancer, Evolution and Development, Fertility, Benefiting Humanity

Once in a while, a finding can change lives almost immediately

Image of an embryo overlaid withan immunofluorescent image of the decidua (purple). Dendritic cells are in green and blood vessels in red

Supernannies

01.05.2009

Immunology, Fertility

Immune system scouts take on a surprising role

Positive Results

Positive Results

28.01.2009

Disease, Drugs & Diagnostics, Fertility

Once in a while, a finding can change lives almost immediately Even when the results of the basic research at the Weizmann Institute are...

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Top Stories

Staphylococcus bacteria

New Immune Mechanism Revealed in the Cellular Trash

When Proteins Go on Strike

Mouse heart tissue viewed under a microscope

A Broken Heart: Two Types of Scars, Two Paths to Healing

Seeding the Passion

Press Releases

New Immune Mechanism Revealed in the Cellular Trash

A Broken Heart: Two Types of Scars, Two Paths to Healing

Training Future Physician-Scientists: The Weizmann Institute Receives Approval for a New Medical School