the immune system

The Anopheles mosquito, the carrier of malaria. Image: depositphotos.com

A vaccine bite: a breakthrough in the fight against malaria

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A new study offers a unique approach to malaria prevention: the use of mosquitoes carrying a genetically modified parasite, which enhances the immune system's ability to recognize and fight the deadly disease
Illustration: depositphotos.com

The fertilized egg and its war in patriarchy

If you asked yourself why we only inherit the mitochondria from the mother, the answer is - the egg is the one that destroys the father's mitochondria very shortly after fertilization
Tissues removed from mice implanted with lung cancer cells engineered to produce high amounts of PSME4 (left column) or unmodified cancer cells (right column). When the protein is expressed in a high amount, the tumor is larger (top row, the tumor cells are marked in intense and concentrated purple), the number of T cells that can fight the tumor is lower (middle row, in white), and there are more cells that suppress the immune response (bottom row, in green)

The cancer to the basket and eliminated

The cell's garbage disposal system changes in cancer and allows it to escape the immune system
Bacteriophages attack bacteria. Illustration: depositphotos.com

The common fight of bacteria and plants against viruses

A defense mechanism discovered in bacteria may make it possible to improve the resistance of agricultural crops to pests
Mouse T cells containing nanobubbles (red) that were secreted by the bilaterian

What does the worm want?

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The researchers mapped the different versions of circular nucleotide systems

Which is good for bacteria

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Disease at first glance: when a cell of the immune system (macrophage, in blue) meets a bacterium (in red), what happens in the first 48-24 hours is crucial

An algorithm that may predict the chance of contracting tuberculosis

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A significant decrease in the number of senescent cells (blue spots) in the liver and lung tissues of mice following the drug treatment

Forever young - the lab version

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Growing cells in "microbars" - surfaces containing thousands of niches smaller than the thickness of a hair. At the beginning of the experiment, one or two T cells were inserted into some of the "micro-bars", while in others a larger number was inserted - up to ten cells per "bar". Illustration: Weizmann Institute

How many cells does it take to produce memory?

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Genomic testing ©2012 Jon Chomitz Photography 3 Prescott street, Somerville, MA 02143 www.chomitz.com jon@chomitz.com 617.625.6789

The genomic profile of a lung tumor opens new doors for its treatment

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Nati Lerer is an accidental fire fighter from Bialik who fights and saves people every day. And this was exactly his mission when his father fell ill with lung cancer - to fight as much as he could and try to save him
Cellular "selfie": an mTEC cell that was photographed using the new method called PLIC. The green dots indicate an interaction between proteins that helps prevent an autoimmune attack. Source: Weizmann Institute magazine.

Security selfie

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Cytotoxic T white blood cells (in red) attack a cancer cell. Illustration: Elena Serda, Duncan Comprehensive Cancer Center at Baylor College of Medicine, National Cancer Institute, National Institutes of Health.

A new treatment eliminates cancerous tumors of various types throughout the body

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Laboratory flasks containing thousands of white blood cells from a patient who developed "immune tolerance" to the donor after a bone marrow transplant. The cells show no signs of rejection of the donor cells (three columns on the left), but secrete chemicals that indicate rejection (indicated in red) when exposed to the cells of a third person (three columns on the right). Source: Weizmann Institute magazine.

Education for tolerance

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Viruses (seen in the picture as small circles) attack bacteria. Sophisticated immune systems. Source: Weizmann Institute magazine.

Ten bacterial defense mechanisms discovered: the genetic editing toolbox expands

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Cell T (in red) selects cell B (in blue) for the "training camp". In green - B cells lacking ICAMs. Photographed using a two-photon laser scanning microscope. Source: Weizmann Institute magazine.

Corrective immune discrimination

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Illustration: The Trojan horse represents the virus, which enters the cell and causes the creation of proteins. Their purpose is to call the immune system, so that it attacks the cancer cell only, without harming healthy cells. Source: Courtesy of the Hebrew University.

Researchers have developed a "switch" that activates the immune system to attack cancer cells when it detects signs of the disease

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Although their name was given to them due to their function on the tongue, the bitter and sweet taste receptors were recently discovered in various tissues and organs that do not come into contact with food. In at least some of these areas of the body, especially the respiratory tract, these taste receptors play an important role in the immune response. Illustration: pixabay.

preserves the bitter taste

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viruses. Illustration: shutterstock

A billion-year arms race against viruses has shaped our evolution

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The migration of nerve cells in the brain of mouse embryos: under normal conditions, many cells (white dots) migrate to the upper layer of the cerebral cortex (three pictures on the left), but in the absence of the 3C protein, the cells remain scattered along the migration path (three pictures on the right). Photographed using a confocal microscope. Source: Weizmann Institute magazine.

Dual agents: Immune system proteins help brain development

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Between matching and cutting

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Staphylococcus aureus bacteria. Source: NIAID.

The poisoned arrow of the golden bacterium

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A white globule is pushed through endothelial cells on its way out of blood vessels. The intracellular skeleton (actin fibers) of the spherule and of the endothelial cells is exposed during the treatment. The location of the globule nucleus is shaded in brown and the globule branch that penetrated through the endothelial cells and is rich in actin fibers is shaded in yellow.

The secret of the power of the white cell

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HIV viruses attack a cell. Illustration: shutterstock

The virus that does not infect directly

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The Ebola virus attacks the immune system. Illustration: shutterstock

The war on Ebola / Helen Barnswell

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The process that occurs when a blood transfusion is introduced into the blood vessels. Figure: American Chemical Society

Is it possible to change our blood types and thus alleviate the problem of matching blood donations?

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From the right: Prof. Avraham Ben-Nun, Prof. Yehiel Shai, Dr. Nathalie Kaushensky and Omari Fingold. Inhibitory effect

To take advantage of the infection mechanism of the AIDS virus to fight autoimmune diseases

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Liver cells at high magnification. Photo: shutterstock

A sign that you are young

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The immune system attacks invading viruses. Illustration: shutterstock

veto right

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elders. From Wikipedia

the barrier

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The gene expression of immune cells in the colon (left): monocytes before reaching the colon, "criminal" cells that are not educated, immune cells after a series of education, old immune cells

Peer pressure

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Monoclonal antibodies to cancer

Researchers from Tel Aviv University have developed a method to find out which proteins move from cell to cell in the intercellular communication

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T cell (right), platelet (middle) and red blood cell (left)

Living nano-submarines eliminate cancer and communicate with doctors outside the body

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Pigs

The flu epidemic - was or was not

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immune system cells. Source: Wikimedia Commons

Rambam and Harvard Medical School are launching a joint research program: a cancer vaccine

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Cancer vaccine

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Influenza - the threatening virus?!

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

A breakthrough in biological application in the field of fighting skin cancer

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

How to take advantage of the antibodies' ability to recognize foreign molecules

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The club - what do cells of the immune system do in selected meeting places in the bone marrow?

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Why is it so important to vaccinate?

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Ceasefire

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