TGViewer
Channel Public Channel
生物医学科技前线

生物医学科技前线

@sci_feed

看看这世界生物医学科学又进步了多少?
友频 @CNSmydream
Subscribers
647
Photos
0
Videos
0
Links
5K

Showing posts older than #4511 · Back to latest

Older Posts 20 shown
Post #4510 63
米托非林的神经通路被揭露:60年来未知的作用机制
米托非林不仅在身体中发挥作用,还在大脑中发挥作用。通过切断关键蛋白并激活特定神经元,药物通过之前未知的通路降低血糖,开启糖尿病治疗的新途径。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 18:47 GMT+8(北京时间)
#米托非林 #糖尿病 #神经通路
ScienceDaily Metformin’s hidden brain pathway revealed after 60 years A major discovery reveals that metformin works not just in the body, but in the brain. By switching off a key protein and activating specific neurons, the drug lowers blood sugar through a previously hidden pathway, opening new doors for diabetes treatment.
Post #4509 47
科学家发现蜜蜂和金丝燕会饮用酒精
花粉中常含少量酒精,花粉采集者如金丝燕每天都在饮用。尽管他们的酒精摄入量相当于人类的水平,但它们却没有表现出醉酒的迹象,表明它们对酒精有着惊人的耐受性。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 19:05 GMT+8(北京时间)
#酒精 #蜜蜂 #金丝燕 #演化 #耐受性
ScienceDaily Scientists just discovered bees and hummingbirds are drinking alcohol Flower nectar often contains small amounts of alcohol, meaning pollinators like hummingbirds are drinking it all day long. Despite consuming human-equivalent amounts, they show no signs of intoxication—suggesting a surprising evolutionary tolerance.
Post #4508 58
太平洋深海发现24种新物种,包括一类罕见的新分支生命
研究人员在太平洋的克拉里昂-克利珀顿区发现了24种新种类的甲喙类动物,包括一种罕见的新超科。这些发现揭示了之前未知的生命分支,并延伸了这些生物的深度生存界限。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 19:20 GMT+8(北京时间)
#深海生物 #新发现 #太平洋 #甲喙类动物
ScienceDaily 24 new deep-sea species found including a rare new branch of life In a remarkable deep-sea breakthrough, researchers have discovered 24 new species of amphipods in the Pacific’s Clarion-Clipperton Zone—including a rare, entirely new superfamily. The findings reveal previously unknown branches of life and push the boundaries…
Post #4507 55
科学家们揭示了为什么这种致命的肺癌总是会复发
科学家们发现,失去小细胞肺癌中的关键蛋白质会引发炎症,实际上有助于肿瘤生长和扩散。更令人惊讶的是,它还会推动癌细胞进入一种更具侵略性的神经元样状态,这种状态与复发有关。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 19:52 GMT+8(北京时间)
#小细胞肺癌 #肺癌 #癌症 #炎症 #癌细胞
ScienceDaily Scientists discover why this deadly lung cancer keeps coming back Scientists have discovered that losing a key protein in small cell lung cancer triggers inflammation that actually helps tumors grow and spread. Even more surprising, it pushes cancer cells into a more aggressive, neuron-like state linked to relapse.
Post #4506 50
首次成像:辐射损伤的秘密驱动因子
研究人员通过成像技术,捕捉到辐射驱动的衰变过程发生前的原子运动场景,揭示了原子在此过程中表现出令人惊讶的动态性。原子并非静止不动,反而在不断移动和重新排列,这直接影响着衰变的方式和时间表。该“原子电影”表明结构和运动在辐射损伤…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 11:53 GMT+8(北京时间)
#辐射损伤 #原子运动 #衰变过程
ScienceDaily First ever atomic movie reveals hidden driver of radiation damage Researchers have visualized atoms in motion just before a radiation-driven decay process occurs, revealing a surprisingly dynamic scene. Instead of remaining fixed, the atoms roam and rearrange, directly influencing how and when the decay unfolds. This “atomic…
Post #4505 81
随着年龄的增长,你的脑子可能正在破坏你的平衡
研究发现,老年人和帕金森症患者的平衡问题可能来自身体过度工作,而不是过度疲劳。科学家发现,脑部和肌肉在轻微的干扰下变得过度活跃,但这实际上会削弱平衡恢复能力。同时,肌肉也会因为相互之间的僵硬而使运动不稳定。这一意想不到的模式可…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 12:29 GMT+8(北京时间)
#老年人 #帕金森症 #平衡问题 #肌肉僵硬
ScienceDaily Why your brain may be sabotaging your balance as you age Balance problems in aging and Parkinson’s may come from the body working too hard, not too little. Scientists found that the brain and muscles become overactive during even minor disturbances, yet this actually weakens balance recovery. At the same time,…
Post #4504 58
大多数美国人不知道加工肉食会增加结肠癌风险
近半美国人不知道加工肉食会增加结肠癌风险,新调查显示。然而,一旦他们了解到这一关联,大多数人都支持标签警示——表明人们想要更明确的信息。专家警告,即使是医疗提供者也存在知情度不足。值得注意的是,富含植物食物和纤维的饮食,以及健康…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 12:38 GMT+8(北京时间)
#结肠癌 #加工肉食 #健康习惯 #植物食物
ScienceDaily Most Americans don’t know this food raises colon cancer risk Nearly half of Americans don’t know that processed meat increases colorectal cancer risk, according to a new poll. But once they learn the connection, most support warning labels—suggesting people want clearer information. Experts warn that awareness is lagging…
Post #4503 60
新爸爸一年后抑郁风险大幅上升
研究发现,新生儿出生前和出生后的几个月里,新父亲的精神健康诊断率较低,但一年后抑郁症和应激相关障碍的发病率会大幅增加,这让研究人员感到意外。研究表明,父亲身份的精神负担会随着时间的推移而积累,而不是立即发生。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 11:10 GMT+8(北京时间)
#抑郁症 #父亲 #新生儿 #精神健康
ScienceDaily Fathers face rising depression risk a year after baby arrives New fathers appear to have fewer mental health diagnoses during pregnancy and the early months after birth. But that early stability does not last. About a year later, depression and stress-related disorders increase significantly, surprising researchers.…
Post #4502 68
蜜蜂在观众面前舞蹈更精准
研究发现,蜜蜂不仅仅是通过著名的蜂舞来分享食物位置的信息,它们还会根据观众的数量调整舞蹈的精确度。当观众人数较少时,舞蹈者会变得不那么精确,试图吸引更多观众。因此,蜂舞并不是一个固定的食物位置信息,而是一个受社会反馈影响的可变…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 11:25 GMT+8(北京时间)
#蜜蜂 #蜂舞 #社会学习
ScienceDaily Honey bees dance better with an audience Honey bees don’t just perform their famous waggle dance to share directions, they actually adjust how well they dance depending on who’s watching. Researchers found that when fewer bees pay attention, the dancer becomes less precise as it moves around trying…
Post #4501 65
这颗比盐粒小的植入器,可以读取你的大脑
科学家研发了一种小到可以在盐粒上放得下的神经植入器,能够长达一年持续监测和无线传输大脑活动。它通过激光光线安全通过组织并使用微小的红外信号进行通信。这一超小型设备可能会改变科学家研究大脑的方式,避免了侵入性连接。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 10:23 GMT+8(北京时间)
#神经植入器 #大脑活动 #无线传输 #激光光线 #红外信号
ScienceDaily This tiny implant, smaller than a grain of salt, can read your brain A new neural implant is so small it can rest on a grain of salt, yet it can track and wirelessly transmit brain activity for over a year. It’s powered by laser light that safely passes through tissue and communicates using tiny infrared signals. This ultra…
Post #4500 78
脂肪肝疾病突破:常见维生素显示出希望
研究人员发现微RNA-93是脂肪肝病的关键基因驱动因素,并发现维生素B3可以有效关闭它。这一发现表明,可能会有一个安全、广泛可用的维生素成为新的治疗手段。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 20:09 GMT+8(北京时间)
#微RNA93 #脂肪肝病 #维生素B3
ScienceDaily Fatty liver breakthrough: A common vitamin shows promise Researchers have identified microRNA-93 as a key genetic driver of fatty liver disease and discovered that vitamin B3 can effectively shut it down. This finding suggests a safe, widely available vitamin could become a powerful new treatment.
Post #4499 65
科学家们揭开了大脑如何存储记忆的重大谜团
科学家们发现,大脑将记忆分为“什么”和“何时/何地”两类,分别由不同群体的神经元负责。其中一组神经元对特定的物体或人负责,而另一组则负责跟踪背景或情况。当你正确回忆某事时,这两组神经元会暂时连接并重构完整的记忆。这种系统可能是我…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-25 09:13 GMT+8(北京时间)
#大脑 #记忆 #神经元 #神经科学
ScienceDaily Scientists just solved a major mystery about how your brain stores memories Scientists have found that your brain separates memories into “what” and “where/when” using two different groups of neurons. One set responds to specific objects or people, while another tracks the context or situation. When you remember something correctly…
Post #4498 87
WHO建议新型诊断工具助力消灭结核病
世界卫生组织(WHO)呼吁各国加快行动,结束结核病,扩大对有助于挽救生命的服务的接触,通过在临床点使用新的创新诊断试验和舌头拭子等方法,快速检测结核病并扩大覆盖面。
来源: WHO | 阅读全文
发布时间: 2026-03-24 16:29 GMT+8(北京时间)
#世界卫生组织 #结核病 #诊断工具
World Health Organization WHO recommends new diagnostic tools to help end TB On World TB Day, the World Health Organization (WHO) is urging countries to accelerate action to end tuberculosis (TB) and expand access to lifesaving services by using new innovations such as diagnostic tests that can be used near the point-of-care and tongue…
Post #4497 101
这一流行饮食与中风风险降低
研究发现,遵循地中海饮食的女性中风风险明显降低,尤其是那些大量食用植物食物、鱼类和橄榄油,减少红肉和饱和脂肪的女性。研究结果表明,饮食可能是预防中风的强大而被低估的因素。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-09 19:54 GMT+8(北京时间)
#地中海饮食 #中风风险 #饮食
ScienceDaily This popular diet was linked to a much lower stroke risk A long-term study found that women who closely followed a Mediterranean diet had a much lower risk of stroke. The strongest benefits were seen in women who ate more plant-based foods, fish, and olive oil while cutting back on red meat and saturated fats.…
Post #4496 83
古老的中国医学可能带来头发再生之钥匙
Polygonum multiflorum,几百年来被认为是恢复健康黑发的中国药材,似乎在多个方面发挥作用,包括阻止头发缩小的激素、保护毛囊免受损伤、激活自然再生信号和促进头皮血液流通。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-09 16:18 GMT+8(北京时间)
#Polygonummultiflorum #头发再生 #中国医学
ScienceDaily Ancient Chinese medicine may hold the key to hair regrowth A centuries-old Chinese medicinal root is getting new scientific attention as a potential game-changer for common hair loss. Polygonum multiflorum, long believed to restore dark, healthy hair, appears to work on multiple fronts at once—blocking hair-shrinking…
Post #4495 81
科学家称NAD+可能会减缓衰老并战胜阿尔茨海默病和帕金森病
科学家们正在研究一种名为NAD⁺的分子,它在保持细胞能量、修复DNA和维持整体健康方面起着至关重要的作用,但随着时间的推移,其水平会逐渐下降,可能会促进阿尔茨海默病和帕金森病等疾病的发生。研究人员正在探索使用NR和NMN等化合物来增强…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 18:39 GMT+8(北京时间)
#NAD #NR #NMN #衰老 #阿尔茨海默病
ScienceDaily Scientists say NAD+ could slow aging and fight Alzheimer’s and Parkinson’s A global team of leading scientists is zeroing in on a tiny but powerful molecule that could reshape how we age. Known as NAD⁺, it plays a crucial role in keeping our cells energized, repairing DNA, and maintaining overall health—but its levels steadily decline…
Post #4494 72
科学家在北极发现一头独角兽,彻底颠覆了人们的想法
科学家在加拿大北极地区发现了一种新种的独角兽,揭示独角兽曾经生活在远远北方的地区。23万年前的化石异常完整,重新塑造了人们对这些动物迁徙于大陆之间的想法。证据表明,独角兽从欧洲迁徙到北美比科学家曾经认为的要晚。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 19:13 GMT+8(北京时间)
#独角兽 #北极 #化石 #迁徙
ScienceDaily Scientists found a rhino in the Arctic and it changes everything Scientists have uncovered a new species of rhinoceros in the Canadian High Arctic, revealing that rhinos once lived far farther north than expected. The fossil, dating back 23 million years, is unusually complete and has helped reshape ideas about how these…
Post #4493 78
科学家发现可能终止慢性背痛的激素
研究表明一种广泛使用的骨骼激素可能通过一种意想不到的方式缓解慢性背痛。它不仅仅是增强骨骼,还能阻止疼痛神经从受损脊柱区域生长。研究表明,在动物模型中,这导致了更强的脊柱组织和减少的疼痛敏感性。研究结果暗示着一种可能的治疗方法…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 10:28 GMT+8(北京时间)
#慢性背痛 #骨骼激素 #脊柱 #疼痛神经
ScienceDaily Scientists discover hormone that may stop chronic back pain at its source A new study suggests a widely used bone hormone could help relieve chronic back pain in an unexpected way. Instead of just strengthening bone, it appears to stop pain-sensing nerves from growing into damaged spinal areas. In animal models, this led to stronger…
Post #4492 92
首次拍到:大西洋须鲸互相头撞头的画面
一段无人机拍摄的视频揭示了大西洋须鲸之间的头撞头行为,科学家之前一直只是推测这种现象。令人惊讶的是,这种行为主要出现在年幼的须鲸身上,而不是研究人员预期的巨型雄性。这种行为与海上航行的传说相呼应,曾经被认为是夸张的。现在,科学…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 11:05 GMT+8(北京时间)
#大西洋须鲸 #头撞头 #海洋生物学
ScienceDaily Sperm whales caught headbutting each other on camera for the first time Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now. Surprisingly, it’s younger whales doing it, not the giant males researchers expected. The behavior echoes old seafaring tales of whales…
Post #4491 93
DNA揭示两种黑鲈鱼新种存在于众目睽睽之中
经过数十年的混淆,科学家通过对数百个标本的详细基因分析,正式确认了巴特拉姆鲈鱼和阿尔塔马哈鲈鱼两种黑鲈鱼的存在。研究人员表示,这项突破有助于保护这些物种的记录,因为它们面临着栖息地变化和杂交的威胁。曾经被忽视的物种可能很快就…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 11:19 GMT+8(北京时间)
#DNA #黑鲈鱼 #巴特拉姆鲈鱼 #阿尔塔马哈鲈鱼
ScienceDaily DNA reveals two new bass species hidden in plain sight Two new species of black bass have been officially identified after decades of confusion with similar fish. Bartram’s bass and Altamaha bass stand out not just in appearance, but in their DNA, revealed through detailed genetic analysis of hundreds of specimens.…
Older posts →
Threads Profile ViewerView any public Threads profile without an account.Open ThreadLook →Writing with AI? Make it sound human.Metric37 rewrites AI drafts so they read naturally. Free AI detector, 1,500 words free.Try Metric37 →