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5 results for Biology

Gut Microbes May Drive Weight Gain after Smoking Cessation
Gut Microbes May Drive Weight Gain after Smoking Cessation

https://www.weizmann-usa.org/news-media/news-releases/gut-microbes-may-drive-weight-gain-after-smoking-cessation/

Dec 08, 2021... REHOVOT, ISRAEL—December 8, 2021—Cigarette smoking, practiced by over a billion people worldwide, is considered a leading cause of disease, accounting for over six million deaths each year. Many people don’t quit smoking, despite expressing a desire to do so, because they are concerned about the substantial weight gain that often accompanies smoking cessation. The cause of this weight gain is unclear, as studies suggest that most people don’t eat more after quitting smoking. In a study published today in Nature, Weizmann Institute of Science researchers report discovering that obesity developing after “smoking cessation” in mice may be driven by the weight-modulating compounds released by their gut microbes.

TAGS: Biology, Bacteria, Microbiome, Smoking

Insulin-Making Cells Discovered in the Fetal Gut
Insulin-Making Cells Discovered in the Fetal Gut

https://www.weizmann-usa.org/news-media/news-releases/insulin-making-cells-discovered-in-the-fetal-gut/

Dec 09, 2021... REHOVOT, ISRAEL—December 9, 2021—An exclusive “license” for making insulin in the human body belongs to the beta cells scattered throughout the pancreas. But because beta cells can become scarce or dysfunctional in people with diabetes, scientists have been searching for other cells that might be coaxed into manufacturing the vital glucose-regulating hormone. In a study published today in Nature Medicine, researchers from the Weizmann Institute of Science and from Yale School of Medicine discovered insulin-making cells in an unexpected place, the fetal intestine. This discovery may open up new directions in the future development of potential treatments for diabetes.

TAGS: Genetics, Biology, Immune system, Diabetes

Muscle Repair Study Could Lead to Better Cultivated Meat
Muscle Repair Study Could Lead to Better Cultivated Meat

https://www.weizmann-usa.org/news-media/news-releases/muscle-repair-study-could-lead-to-better-cultivated-meat/

Dec 20, 2021... REHOVOT, ISRAEL—December 20, 2021—Prof. Eldad Tzahor peered into his microscope one day and saw steak. As part of Tzahor’s research into repairing muscle tissue, Dr. Tamar Eigler, a postdoctoral fellow in his lab at the Weizmann Institute of Science, had been experimenting with cultured muscle stem cells. One of these experiments had produced the surprising sight that appeared before Tzahor’s eyes: The cells had started fusing into tiny fibers that thickened rapidly, within hours creating large muscle fibers resembling those in whole cut meat.

TAGS: Biology, Stem cells

Getting Under the Skin of an Autoimmune Disorder
Getting Under the Skin of an Autoimmune Disorder

https://www.weizmann-usa.org/news-media/news-releases/getting-under-the-skin-of-an-autoimmune-disorder/

Apr 04, 2022... REHOVOT, ISRAEL—April 4, 2022—Supporting actors sometimes steal the show. In a new study published today in Cell, researchers headed by Prof. Ido Amit at the Weizmann Institute of Science have shown that supporting cells called fibroblasts, long viewed as uniform background players, are in fact extremely varied and vital. A subset of these cells, according to the study, may lie at the origins of scleroderma—a rare autoimmune disease. The findings open a new direction for developing a future therapy against this devastating, incurable disorder.

TAGS: Biology, Immune system

Settled at Birth: Blood Vessels Remember Their Origins
Settled at Birth: Blood Vessels Remember Their Origins

https://www.weizmann-usa.org/news-media/news-releases/settled-at-birth-blood-vessels-remember-their-origins/

May 25, 2022... REHOVOT, ISRAEL – May 25 2022 – Our family origins tend to shape our future in many ways. A Weizmann Institute of Science study, published today in Nature, found that the same holds true for blood vessels. The researchers discovered blood vessels forming from unexpected progenitors and went on to show that this unusual origin determines the vessels’ future function.
“We found that blood vessels must derive from the right source in order to function properly – it’s as if they remember where they came from,” says team leader Prof. Karina Yaniv.

TAGS: Genetics, Brain, Medicine, Biology, Cancer treatment, Blood, Organs, Heart, Biomolecular sciences

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