Molecular and Cell Biology

Use It or Lose It

Use It or Lose It

25.12.2014

Molecular and Cell Biology

Why do muscles lose their strength without exercise?

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

Macrophages in the brain shown in green

“Big Eaters” Get a Makeover

07.12.2014

Molecular and Cell Biology, Immunology, Genetics

Voracious immune cells turn out to be uniquely adaptable to their surroundings

Fluorescent image of Baker's yeast cells showing that the yeast Presenilin-like protein, Ypf1 (green), is found in the same cellular area as Presenilin, around the nucleus

Pumping Zinc

18.11.2014

Molecular and Cell Biology, Genetics

Weizmann Institute researchers reveal an unusual cellular mechanism that may be faulty in Alzheimer’s disease

$Natural healing process of fractured bones. (A) Healing begins with a collection of blood and inflammation at the fracture site. (B) Soft callus (purple) is formed, which develops into the bidirectional growth plate at the concave side of the fracture site. (C) The growth plate drives bone growth in opposite directions. The result is a jack-like mechanical effect that moves the fragments toward straightening (red arrows). (D) New bone tissue is formed (orange). (E) The shape of the bone is fine-tuned by rem$

Bone: Heal Thyself

04.11.2014

Molecular and Cell Biology, Disease, Drugs & Diagnostics, Genetics

Movement might actually help heal fractures in young bones

(l-r) Eyal Karzbrun, Alexandra Tayar and Prof. Roy Bar-Ziv

Artificial Cells Produce Real Proteins

27.10.2014

Molecular and Cell Biology, Genetics, Materials Science, Biotechnology

"Cells on a chip" are beginning to recreate biological processes

receptors day and night

Tumors Might Grow Faster at Night

06.10.2014

Cancer, Molecular and Cell Biology, Bioinformatics and Computational Biology

Weizmann Institute scientists reveal that a hormone that keeps us alert also suppresses the spread of cancer

Immunofluorescence microscope image of the choroid plexus. Epithelial cells are in green and chemokine proteins (CXCL10) are in red

Scientists Identify the Signature of Aging in the Brain

29.09.2014

Brain & Behavior, Molecular and Cell Biology, Immunology

Weizmann Institute researchers suggest that the brain's “immunological age” is what counts

Paradox Alice in Wonderland

Sending a Mixed Message

22.09.2014

Molecular and Cell Biology, Immunology, Mathematics

Why do biological systems use the same signaling molecule for opposite purposes?

Mapping cell death: The protein-protein interactions discovered and mapped out in Prof. Adi Kimchi’s lab (red lines are newly-revealed interactions) divulge the wealth of interconnections between two major cell death pathways

Where Two Paths Meet

01.09.2014

Cancer, Molecular and Cell Biology, Genetics

A unique method of mapping protein interactions reveals how two cellular pathways are interconnected

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Top Stories

Shedding Light on the Dark Hours

Credit: Coleen Murphy, Princeton University, Princeton, NJ

Cracking the Code of a Worm's Throat

“Eight Shining Examples of Excellence”

Burning Cancer’s Bridges

Press Releases

“Eight Shining Examples of Excellence”

The Weizmann Institute of Science Ranked among the World’s Top Ten Academic Institutions

A Discovery to Set Your Heart a-Knocking