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
Open in Telegram
Subscribers
644
Photos
0
Videos
0
Links
4.9K

Showing posts older than #4771 · Back to latest

Older Posts 20 shown
Post #4770 103
1000万年前的蛇有后肢和一个失落的骨头，改变了演化史
近1000万年前，蛇并不是我们今天所熟知的灵活、无肢的动物，它们还保留着后肢，并且有一个几乎在现代物种中消失的下颚骨。阿根廷的Najash rionegrina化石重新塑造了科学家对蛇起源的看法，表明早期蛇是大型、宽口的捕食者，而不是小型的穴…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-24 14:59 GMT+8（北京时间）
#Najashrionegrina #蛇 #化石 #演化 #古生物学
ScienceDaily This 100 million-year-old snake had hind legs and a lost bone that changes evolution Nearly 100 million years ago, snakes weren’t the sleek, limbless creatures we know today—they still had hind legs and even a cheekbone that has almost vanished in modern species. A remarkably preserved fossil of Najash rionegrina from Argentina has reshaped…
Post #4769 125
阿尔及利亚消除沙眼作为公共卫生问题
世界卫生组织（WHO）确认阿尔及利亚已经消除沙眼作为公共卫生问题，使其成为世界卫生组织非洲地区第十个并全球第29个达到这一重要里程碑的国家。
来源: WHO ｜ 阅读全文
发布时间: 2026-04-23 18:46 GMT+8（北京时间）
#阿尔及利亚 #沙眼 #世界卫生组织 #公共卫生问题 #消除
World Health Organization Algeria eliminates trachoma as a public health problem The World Health Organization (WHO) has validated Algeria as having eliminated trachoma as a public health problem, making it the 10th country in WHO’s African Region and the 29th country globally to achieve this significant milestone.
Post #4768 91
Candida (Candidozyma) auris的更新基因组流行病学描述，美国
本研究对美国Candida (Candidozyma) auris的基因组进行了流行病学描述，发现了该菌株的多样性和分布特征，揭示了其在美国的传播模式和潜在的健康风险。该研究为了解和控制该细菌感染提供了重要的信息。
来源: CDC ｜ 阅读全文
发布时间: 2026-04-23 12:00 GMT+8（北京时间）
#CandidaCandidozymaauris #基因组流行病学 #美国 #细菌感染
Emerging Infectious Diseases journal Updated Genomic Epidemiologic Description of <em>Candida (Candidozyma) auris</em>, United States Genomic Epidemiologic Description of <em>C. auris</em>
Post #4767 76
80岁的人们拥有50岁人的记忆力。科学家现在知道了为什么。
科学家们发现了一小群80岁以上的超级老年人，他们的记忆力与几十岁年轻人相似，脑部可能抵抗或抵抗阿尔茨海默病的典型损伤。研究表明，他们的社交生活和独特的脑生物学可能是保持认知功能的关键。科学家们认为，这些发现可能为延缓或预防痴呆…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 19:46 GMT+8（北京时间）
#SuperAgers #阿尔茨海默病 #认知功能 #老年人
ScienceDaily These 80-year-olds have the memory of 50-year-olds. Scientists now know why A rare group of adults over 80, known as SuperAgers, are rewriting what we thought was possible for the aging brain. With memory abilities comparable to people decades younger, their brains either resist or withstand the damage typically linked to Alzheimer’s…
Post #4766 59
首次揭示抑郁症的脑细胞
科学家们通过分析捐赠的脑组织样本，使用先进的遗传工具发现了与情绪和应激有关的神经元和免疫相关的微胶细胞的变化。这些发现指出抑郁症是由生物学问题引起的，而不是仅仅是情绪问题。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 17:55 GMT+8（北京时间）
#抑郁症 #脑细胞 #神经元 #微胶细胞
ScienceDaily For the first time, scientists pinpoint the brain cells behind depression Scientists have identified two specific types of brain cells that behave differently in people with depression, offering a clearer picture of what is happening inside the brain. By analyzing donated brain tissue with advanced genetic tools, the researchers…
Post #4765 62
世卫组织确认利比亚去除眼热病的公共卫生问题
世卫组织宣布利比亚已经消除眼热病作为公共卫生问题，这是东地中海地区公共卫生领域的一大胜利。这个艰难取得的成就保护了未来的年轻一代免受可预防的盲瞎，并提醒人们尽管面临着持续挑战，国家仍然可以战胜疟疾等被忽视的热带病。
来源: WHO ｜ 阅读全文
发布时间: 2026-02-18 22:24 GMT+8（北京时间）
#世卫组织 #利比亚 #眼热病 #公共卫生问题 #消除
World Health Organization WHO validates elimination of trachoma as a public health problem in Libya WHO today announced that Libya has eliminated trachoma as a public health problem, a landmark victory for public health in WHO’s Eastern Mediterranean Region. This hard-won achievement protects future generations from preventable blindness and provides a…
Post #4764 55
世卫组织认证巴哈马消除母婴艾滋病毒传播
世界卫生组织（WHO）表示，巴哈马成为加勒比海地区最新一国，消除母婴艾滋病毒传播，世卫组织表示对此表示祝贺。巴哈马的这一成就是多年来政治决心和卫生工作者的不懈努力的结果。通过确保儿童出生时不感染艾滋病毒，我们正在为下一代创造一个…
来源: WHO ｜ 阅读全文
发布时间: 2026-04-23 04:34 GMT+8（北京时间）
#世卫组织 #巴哈马 #艾滋病毒 #母婴传播
World Health Organization WHO certifies the Bahamas for eliminating mother-to-child transmission of HIV In a landmark achievement for Caribbean public health, the World Health Organization (WHO) congratulates The Bahamas for becoming the latest Caribbean nation to be certified as having eliminated the mother-to-child transmission of HIV.
Post #4763 59
世卫组织报告：2025年全球健康状况有明显改善
世界卫生组织发布了《2024-2025年结果报告》，指出尽管经历了资金削减，2025年全球健康状况仍然有所改善。报告指出，世卫组织在技术领导力和比较优势得到充分发挥的领域取得了最显著的成果。报告发现，世卫组织在三个“三亿人”目标下取得了显…
来源: WHO ｜ 阅读全文
发布时间: 2026-04-23 16:07 GMT+8（北京时间）
#世界卫生组织 #结果报告 #全球健康 #健康改善 #三亿人目标
World Health Organization WHO reports measurable health impact in 2025 amid transition to new strategy The World Health Organization (WHO) today released its Results Report, highlighting measurable improvements in people’s health worldwide in 2025, despite funding cuts affecting both the organization and the broader global health sector.
Post #4762 102
间歇性禁食无法战胜标准饮食减肥
近年来，间歇性禁食成为减肥热点话题，宣称通过改变进食时间可以实现显著减肥效果。然而，Cochrane的一项大规模综述表明，现实可能远不如所期望。研究人员分析了22项临床试验，涉及近2000名成年人，结果发现，间歇性禁食并未比标准饮食建议或…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-18 21:11 GMT+8（北京时间）
#间歇性禁食 #减肥 #Cochrane评估
ScienceDaily Intermittent fasting fails to beat standard dieting for weight loss Intermittent fasting has become one of the most talked-about weight loss trends in recent years, promising dramatic results with simple changes to when you eat. But a major Cochrane review suggests the reality may be far less exciting. After analyzing 22…
Post #4761 98
科学家创造出一种能在接触时消灭病毒的塑料薄膜
科学家们研发了一种新型抗病毒塑料薄膜，能够将日常物体转化为隐形的疾病防御者。这种柔性材料表面覆盖着微小的柱子，当病毒接触到这些柱子时，它们会被拉伸到爆炸，变得无害。实验室测试显示，该材料在1小时内摧毁或使病毒活性受损约94%。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 11:25 GMT+8（北京时间）
#抗病毒 #塑料薄膜 #微观柱子
ScienceDaily Scientists create plastic that destroys viruses on contact A new virus-fighting plastic film could transform everyday surfaces into invisible defenders against disease. Instead of relying on chemicals, this flexible material is covered in microscopic pillars that physically stretch viruses until they burst, rendering…
Post #4760 93
2890万年前的干燥化蜥类揭示陆地呼吸的起源
一具来自2890万年前的精致保存的干燥化蜥类，重新阐明了动物在陆地上呼吸的起源。这个小型生物，Captorhinus aguti，揭示了现代蜥类、鸟类和哺乳动物使用的肋骨驱动呼吸系统的最早已知版本，这一关键创新使脊椎动物能够在水外茁壮成长。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 12:06 GMT+8（北京时间）
#Captorhinusaguti #干燥化蜥类 #肋骨驱动呼吸系统
ScienceDaily 289-million-year-old mummified reptile reveals how breathing began on land A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first breathed on land. This tiny creature, Captorhinus aguti, reveals the earliest known version of the rib-powered breathing system used by…
Post #4759 73
古代鳄类的奇特亲戚：四足幼年、两足成年
科学家们发现了一种与恐龙时代相关的鳄类亲戚，称为Sonselasuchus cedrus。这种体型如小狗的古代生物似乎在成长过程中从四足行走转变为两足行走，这种转变在化石记录中很少见。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 12:51 GMT+8（北京时间）
#Sonselasuchuscedrus #鳄类 #恐龙 #化石
ScienceDaily This ancient crocodile relative grew up on four legs then walked on two A bizarre crocodile relative from the age of dinosaurs is rewriting what scientists thought they knew about ancient reptiles. This poodle-sized creature, called Sonselasuchus cedrus, appears to have started life walking on all fours before shifting to a two…
Post #4758 64
简单的“肠道重置”可能会停止奥塞米特或韦格维的体重增长
一项小侵入性的程序可能会帮助人们在停止使用奥塞米特等流行药物后保持体重。临床试验中，接受了一种称为十二指肠粘膜再造的技术的人们在停止服药后比其他人少回复了更多体重。这项程序通过更新小肠的上部的粘膜层，可能会“重置”代谢，保留…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 14:45 GMT+8（北京时间）
#奥塞米特 #韦格维 #十二指肠粘膜再造
ScienceDaily Simple “gut reset” may stop weight gain after Ozempic or Wegovy A new minimally invasive procedure may help people keep weight off after stopping popular drugs like Ozempic and semaglutide—something most patients struggle with. In a clinical trial, those who underwent a technique called duodenal mucosal resurfacing regained…
Post #4757 70
一种简单的脂肪酸可能恢复视力衰退
科学家们在加州大学欧文分校发现了一种方法，通过靶向ELOVL2“老化基因”并恢复视网膜中的必需脂肪酸来潜在地逆转因年龄相关的视力丧失。他们在小鼠身上进行的实验表明，补充特定的多不饱和脂肪酸（不仅是DHA）可以恢复视觉功能，并甚至逆转…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-23 09:06 GMT+8（北京时间）
#ELOVL2 #多不饱和脂肪酸 #视力丧失 #视网膜 #老化
ScienceDaily This simple fatty acid could restore failing vision Scientists at UC Irvine have found a way to potentially reverse age-related vision loss by targeting the ELOVL2 “aging gene” and restoring vital fatty acids in the retina. Their experiments in mice show that supplementing with specific polyunsaturated fatty…
Post #4756 88
一项简单的血液检查可能在多年前揭示阿尔茨海默病风险
科学家们发现，血液中与炎症有关的标志物可能能提前多年预测阿尔茨海默病的风险。研究表明，白细胞中的一种成分——中性粒细胞水平升高与患阿尔茨海默病的风险增加有关。这个发现表明，常规的实验室检查值可能能提前指出有风险的人群。同时，这…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-22 20:36 GMT+8（北京时间）
#阿尔茨海默病 #白细胞 #炎症 #免疫细胞
ScienceDaily A simple blood test could reveal Alzheimer’s risk years early A routine blood marker tied to inflammation may reveal Alzheimer’s risk years in advance. Scientists found that higher neutrophil levels—part of the body’s first immune response—were linked to a greater chance of developing dementia. The discovery suggests…
Post #4755 70
肠道内的隐形病毒可能与结肠癌有关
研究人员发现了一种在常见肠道细菌中隐藏的新病毒，这种病毒可能解释了医学界长期困扰的谜团：为什么健康人和癌症患者都能在肠道中发现的微生物与结肠癌有关。研究表明，细菌与它们携带的病毒之间的相互作用可能是理解疾病风险的关键。这种研…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-22 21:02 GMT+8（北京时间）
#肠道病毒 #结肠癌 #肠道细菌 #癌症风险
ScienceDaily Hidden virus in your gut may be linked to colon cancer A newly discovered virus hiding inside a common gut bacterium could help explain one of medicine’s long-standing mysteries: why a microbe found in both healthy people and cancer patients is linked to colorectal cancer. The research suggests that the interaction…
Post #4754 76
缅甸迷惑性的新蛇种：一种既像一种蛇又像另一种蛇的毒蛇
科学家在缅甸发现了一种新品种的毒蛇，称为阿耶义拉瓦底毒蛇，令人费解的是，这种蛇的外观会随着时间的推移而改变，既像一种毒蛇，又像另一种毒蛇，甚至在某些时候会呈现出两者的混合特征。最初被怀疑是杂交种，但通过遗传分析，科学家发现它实…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-22 11:51 GMT+8（北京时间）
#缅甸 #毒蛇 #新品种 #生物多样性
ScienceDaily “Baffling” new snake species in Myanmar looks like multiple species at once Scientists have uncovered a fascinating new species of pit viper in Myanmar that seems to blur the very definition of what a species is. This snake, now named the Ayeyarwady pit viper, puzzled researchers because it looks like a mix between two known species—sometimes…
Post #4753 112
两种常见药物可能逆转脂肪肝病
科学家们发现，将两种现有的药物联合使用，可以显著减少与常见而又常常无声疾病相关的肝脂肪。这种治疗不仅在动物模型中改善了肝脏健康，还显示出降低心脏相关风险的潜力。值得注意的是，使用两种药物的较低剂量与单独使用较高剂量一样有效。…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-22 12:51 GMT+8（北京时间）
#脂肪肝病 #药物治疗 #肝脏健康
ScienceDaily Two common drugs may reverse fatty liver disease, study finds Scientists have discovered that combining two existing drugs can dramatically reduce liver fat linked to a common and often silent disease. The treatment not only improved liver health in animal models but also showed potential to lower heart-related risks.…
Post #4752 150
DNA reveals a hidden pitviper species in China
A vivid green pitviper hiding in Sichuan’s misty mountains has been revealed as a completely new species. Scientists had overlooked it for decades, assuming it was a …
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-22 17:15 GMT+8（北京时间）
ScienceDaily DNA reveals a hidden pitviper species in China A vivid green pitviper hiding in Sichuan’s misty mountains has been revealed as a completely new species. Scientists had overlooked it for decades, assuming it was a common snake—until DNA analysis proved otherwise. Named after Laozi, it features striking…
Post #4751 152
NIH资助的AI模型预测癌症生存率从单细胞肿瘤数据中
研究表明，NIH资助的研究团队开发了一种AI模型，能够从单细胞肿瘤数据中预测癌症患者的生存率。该模型在黑色素瘤和肝癌患者中显示出其有效性。
来源: NIH ｜ 阅读全文
#癌症 #单细胞数据 #AI模型 #生存率
National Institutes of Health (NIH) NIH-funded AI model predicts cancer survival from single-cell tumor data Study links specific cell populations to patient risk in melanoma and liver cancer.
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 →