行业观察

Science:六十年争议尘埃落定!新研究直接观测视觉信息流,证实Hubel-Wiesel模型

一场持续六十年、关于哺乳动物视觉感知基本机制的科学争议现已解决。慕尼黑工业大学(TUM)的研究人员成功观测到了从神经元到神经元的视觉信息流。他们的发现证实了David Hubel和Torsten Wiesel在1981年获得诺贝尔奖的模型的有效性,该模型在某些方面此前一直存在争议。 在1960年代,Hubel和Wiesel提出了一个模型,即Hubel-Wiesel模型,根据该模型,视觉感知是大脑中

发布时间:2026-04-08来源:生物谷
Immunity:高脂饮食几天就能“干掉”肠道护卫军?科学家发现关键机制

全球肥胖和超重人口已超过20亿,炎性肠病、结直肠癌等慢性疾病的发病率也持续攀升,这些疾病与肠道炎症密切相关,而饮食结构改变,尤其是高脂饮食的普及,被认为是重要推手。然而,高脂饮食究竟如何快速“攻击”肠道免疫系统,此前并不清楚。 近日,一篇发表在国际杂志Immunity上题为“High-fat diet causes rapid loss of intestinal group 3 innate l

发布时间:2026-04-08来源:生物谷
Xuebijing injection reduces inflammation and ferroptosis in acute lung injury

Chinese Academy of SciencesApr 7 2026 Using an LPS-induced ALI mouse model and LPS-stimulated alveolar macrophages, they found XBJ reduced inflammatory cytokine surges, preserved alveolar barrier inte

发布时间:2026-04-07来源:news-medical
Study questions benefits of fish oil after mild brain injuries

Medical University of South CarolinaApr 7 2026 A first-of-its-kind study led by the Medical University of South Carolina raises questions about the value of fish oil supplements for people with repeti

发布时间:2026-04-07来源:news-medical
Neighborhood conditions linked to cellular aging and health disparities

New York UniversityApr 7 2026 There's a growing consensus that your zip code is a strong predictor of your health and lifespan. Now, researchers at NYU School of Global Public Health have determined t

发布时间:2026-04-07来源:news-medical
Childhood trauma inspires research into brain repair and recovery

University of the WitwatersrandApr 7 2026 What began as a child's encounter with trauma has grown into a research programme committed to understanding recovery. When she was in Grade 5, Dr Gillian Mah

发布时间:2026-04-07来源:news-medical
Brain study reveals sender and receiver roles in default mode network

Chinese Academy of SciencesApr 7 2026 The default mode network (DMN) is a distributed set of interconnected brain regions that has long been associated with internally oriented cognition such as remem

发布时间:2026-04-07来源:news-medical
Early genetic signals connect diabetes subgroups to heart disease risk

Lund UniversityApr 7 2026 A growing body of research shows that diabetes can be stratified into five different subgroups. Researchers at Lund University have now investigated whether a person's geneti

发布时间:2026-04-07来源:news-medical
Waterfowl movement patterns influence spread of avian influenza outbreaks

University of GeorgiaApr 7 2026 The movement patterns of waterfowl, including ducks, swans and geese, may affect the spread of highly pathogenic avian influenza in bird populations, according to a new

发布时间:2026-04-07来源:news-medical
One Health Summit drives a new wave of coordinated action for global health threats

The World Health OrganizationApr 7 2026 On World Health Day, global leaders gathered in France for a milestone "One Health Summit", where the World Health Organization (WHO) and partners announced a n

发布时间:2026-04-07来源:news-medical
Noninvasive urine test improves prediction of bladder cancer treatment outcomes

Stanford MedicineApr 7 2026 Bladder cancer arises from the lining of the bladder, the organ that stores urine, and is one of the most common cancers in the United States. Most patients are diagnosed a

发布时间:2026-04-07来源:news-medical
Metformin boosts an exercise-linked metabolite and may help control weight in prostate cancer patients

By Pooja Toshniwal PahariaReviewed by Susha Cheriyedath, M.Sc.Apr 7 2026 A clinical study suggests metformin may reproduce part of exercise’s metabolic signature in prostate cancer patients, raising L

发布时间:2026-04-07来源:news-medical
New blood test spots four cancers and other diseases by stripping away healthy DNA noise

By Hugo Francisco de SouzaReviewed by Susha Cheriyedath, M.Sc.Apr 7 2026 By cutting through the overwhelming background of healthy blood DNA, MethylScan gives clinicians a clearer view of cancer, live

发布时间:2026-04-07来源:news-medical
Hearing loss and sex shape dual-task outcomes in older adults with mild cognitive impairment

Concordia UniversityApr 7 2026 Cognitive and physical training can help older adults with mild cognitive impairment (MCI) maintain or improve their ability to move and think simultaneously, but hearin

发布时间:2026-04-07来源:news-medical
What happens in the brain on psychedelics? Scientists identify a common circuit pattern

By Tarun Sai LomteReviewed by Susha Cheriyedath, M.Sc.Apr 7 2026 A sweeping international analysis suggests psychedelics do not just alter perception, they reconfigure how major brain networks communi

发布时间:2026-04-07来源:news-medical