SALK 新闻

萨尔克生物学研究所 - 萨尔克新闻

索尔克新闻


高脂肪饮食改变肠道细菌,增加小鼠结直肠癌风险

拉霍亚—近年来,50岁以下人群的结直肠癌发病率有所上升。一个可能的解释是肥胖率和高脂肪饮食的增加。现在,索尔克研究所和加州大学圣迭戈分校的研究人员发现,高脂肪饮食如何改变肠道细菌,并改变由这些细菌修饰的称为胆汁酸的消化分子,从而使小鼠易患结直肠癌。.


利用人体“无形的手术刀”切除脑癌

LA JOLLA—Glioblastoma, the most common and deadly form of brain cancer, grows rapidly to invade and destroy healthy brain tissue. The tumor sends out cancerous tendrils into the brain that make surgical tumor removal extremely difficult or impossible.


Structural biologist Agnieszka Kendrick joins Salk faculty to study cellular transport

LA JOLLA—The Salk Institute welcomes Assistant Professor Agnieszka Kendrick, a structural biologist who studies how cells recognize and transport cargo within the cell.


Why we lose fat and muscle during infection

LA JOLLA—Although infections can present with many different symptoms, one common symptom is the loss of fat and muscle, a process called wasting. Salk scientists wanted to know whether wasting was beneficial in fighting infections.


Revealing HIV drug-resistance mechanisms through protein structures

LA JOLLA—Salk Institute researchers, in collaboration with the National Institutes of Health, have discovered the molecular mechanisms by which the human immunodeficiency virus (HIV) becomes resistant to Dolutegravir, one of the most effective, clinically used antiviral drugs for treating HIV.


Salk Institute mourns the loss of former Board trustee, longtime supporter Margaret Faye Wilson

Margaret Faye Wilson, a leader in the banking and retail industries, died on July 10. She served as a Trustee on Salk’s Board from 2010 to 2019 and was a generous donor of the Institute over the years, including supporting the Institute’s premier annual event, Symphony at Salk.


27th Annual Symphony at Salk to feature GRAMMY® Award-winner Jennifer Hudson

LA JOLLA—On Saturday, August 19, the Salk Institute will celebrate 27 years of Symphony at Salk, its premier annual fundraiser and concert under the stars, with the breathtaking sounds of the San Diego Symphony and guest performer Jennifer Hudson, a two-time GRAMMY Award-winning recording artist, Academy Award-winning actress, and Tony and Emmy Award-winning producer.


Preying on hungry, anxious worms

LA JOLLA—The life of the tiny worm called Caenorhabditis elegans consists mostly of looking for food, eating food, and laying eggs. So, when any of these behaviors are disrupted, there’s cause for concern. In a new study, Salk Institute scientists discovered that the “feel good” brain chemical dopamine regulates anxious worm behavior in the presence of nipping predators.


All the immunity, none of the symptoms

LA JOLLA—Worldwide, more than a million deaths occur each year due to diarrheal diseases that lead to dehydration and malnutrition. Yet, no vaccine exists to fight or prevent these diseases, which are caused by bacteria like certain strains of 大肠杆菌. Instead, people with bacterial infections must rely on the body taking one of two defense strategies: kill the intruders or impair the intruders but keep them around. If the body chooses to impair the bacteria, then the disease can occur without the diarrhea, but the infection can still be transmitted—a process called asymptomatic carriage.


Neurobiologist Daniel Bayless joins Salk to study sex hormones and social behaviors in mice

LA JOLLA—The Salk Institute welcomes Assistant Professor Daniel Bayless, a neurobiologist who studies the influence of sex hormones on social interaction and behavior in mice. Bayless joins Salk’s world-renowned neuroscience faculty—a collaborative team working to uncover how our brains work so we can build resilience in the face of stress, aging, and disease.


Mapping the development of infection-fighting immune cells

LA JOLLA—The immune system protects the body from invaders, such as bacteria, viruses, or tumors, with its intricate network of proteins, cells, and organs. Specialized immune cells, called cytotoxic T cells, can develop into short-lived effector cells that kill infected or cancerous cells within our bodies. A small portion of those effector cells remain after an infection and become longer-lived memory cells, which “remember” infections and respond when infections reappear. But little was known about what influences cytotoxic T cells to transform into these effector and memory T cell subtypes.


Seeing the insides of plants in 3D

LA JOLLA—The cellular life inside a plant is as vibrant as the blossom. In each plant tissue—from root tip to leaf tip—there are hundreds of cell types that relay information about functional needs and environmental changes. Now, a new technology developed by Salk scientists can capture this internal plant world at an unprecedented resolution, opening the door for understanding how plants respond to a changing climate and leading to more resilient crops.


Salk Institute mourns the loss of Françoise Gilot

LA JOLLA—Françoise Gilot, artist, best-selling author, and wife of the late Salk Institute founder and vaccine pioneer Jonas Salk, died on June 6 at a hospital in Manhattan at the age of 101.


了解人脑免疫细胞和神经系统疾病的新模型

LA JOLLA—Situated at the intersection of the human immune system and the brain are microglia, specialized brain immune cells that play a crucial role in development and disease. Although the importance of microglia is undisputed, modeling and studying them has remained a difficult task.


攻击性促进脑肽在果蝇中的作用机制

拉霍亚—除了用神经递质交流外,大脑还使用一种称为神经肽的小蛋白质。神经肽可在神经元之间发送信号,其功能与神经递质相似,但存在一些关键差异,例如体积较大,并且能够远离产生它们的神经元传播。尽管它们的至关重要性已被广泛认识,但神经肽在大脑中移动和影响神经元的方式一直知之甚少——直到现在。.


索尔克研究所与 Autobahn Labs 合作,加速药物研发

LA JOLLA—The Salk Institute and Autobahn Labs, an early-stage drug discovery incubator, will work together to identify and advance promising initial scientific discoveries through the preliminary steps of drug discovery and development. Autobahn Labs will invest up to $5 million per project for Salk discoveries that require access to drug development expertise and state-of-the art capabilities.


Salk Institute promotes five faculty members in genetics, structural biology, immunobiology, and neuroscience

LA JOLLA—Five Salk Institute faculty members have been promoted for their notable, innovative contributions to science. These faculty members have demonstrated leadership in their disciplines, pushing the boundaries of basic scientific research. Assistant Professors 孙汉, Dmitry Lyumkis, ,和 Graham McVicker were promoted to associate professors, and Associate Professors 斯里坎特·查拉萨尼叶正 were promoted to professors. The promotions were based on Salk faculty and nonresident fellow recommendations and approved by Salk’s president and Board of Trustees on April 21, 2023.


Salk Professor Susan Kaech elected to American Academy of Arts and Sciences

LA JOLLA—Salk Institute Professor 苏珊·凯奇, director of the NOMIS Center for Immunobiology and Microbial Pathogenesis, has been elected to the American Academy of Arts and Sciences. She shares the honor with some of the world’s most accomplished leaders from science and technology, business, public affairs, education, the humanities, and the arts. Kaech and the new class of nearly 270 members will be inducted at a formal ceremony on September 30, 2023, at the Academy’s headquarters in Cambridge, Massachusetts.


代谢应激下线粒体修复与替换的破解之谜

LA JOLLA—Scientists often act as detectives, piecing together clues that alone may seem meaningless but together crack the case. Professor 鲁本-肖 has spent nearly two decades piecing together such clues to understand the cellular response to metabolic stress, which occurs when cellular energy levels dip. Whether energy levels fall because the cell’s powerhouses (mitochondria) are failing or due to a lack of necessary energy-making supplies, the response is the same: get rid of the damaged mitochondria and create new ones.


Mitochondria power-supply failure may cause age-related cognitive impairment

LA JOLLA—Brains are like puzzles, requiring many nested and codependent pieces to function well. The brain is divided into areas, each containing many millions of neurons connected across thousands of synapses. These synapses, which enable communication between neurons, depend on even smaller structures: message-sending boutons (swollen bulbs at the branch-like tips of neurons), message-receiving dendrites (complementary branch-like structures for receiving bouton messages), and power-generating mitochondria. To create a cohesive brain, all these pieces must be accounted for.