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生物医学科技前线

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看看这世界生物医学科学又进步了多少?
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Post #4850 64
将周末GLP-1添加到认知行为疗法进一步减少了饮酒量
临床试验表明,塞马格鲁汀可能有助于酒精使用障碍和肥胖的患者。
来源: NIH | 阅读全文
#塞马格鲁汀 #酒精使用障碍 #肥胖
Post #4849 64
新疗法将坏胆固醇降低近50%不用用statins
研究人员开发了一种小分子DNA分子,能够阻断PCSK9蛋白,进而促使细胞吸收更多胆固醇,降低与心脏病相关的胆固醇水平,提供了一种传统药物的替代方案。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-01 16:50 GMT+8(北京时间)
#PCSK9 #胆固醇 #心脏病
ScienceDaily New treatment cuts bad cholesterol by nearly 50% without statins A new breakthrough could change how high cholesterol is treated, offering a powerful alternative to traditional drugs. Researchers have developed tiny DNA-based molecules that shut down PCSK9—a key protein that keeps “bad” LDL cholesterol circulating in the…
Post #4848 59
惊人的肥胖发现重写了几十年的脂肪代谢科学
科学家们发现了一种与脂肪代谢有关的关键蛋白质的功能比之前想象的要多。它不仅仅是释放脂肪,还有助于维持身体的健康脂肪组织和平衡。当它缺失或被破坏时,结果会令人惊讶地有害。这一发现重新塑造了研究人员对肥胖和代谢疾病的看法。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-01 09:40 GMT+8(北京时间)
#脂肪代谢 #肥胖 #代谢疾病
ScienceDaily Surprising obesity discovery rewrites decades of fat metabolism science A key protein involved in fat metabolism has been found to do more than scientists once thought. Instead of just releasing fat, it helps maintain healthy fat tissue and balance in the body. When it’s missing or disrupted, the results can be surprisingly harmful.…
Post #4847 103
Don’t toss cannabis leaves: Scientists found rare compounds with medical potential
Scientists have uncovered a surprising new layer of complexity in Cannabis, identifying dozens of previously unknown compounds—including the first-ever evidence of ra…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-01 12:36 GMT+8(北京时间)
ScienceDaily Don’t toss cannabis leaves: Scientists found rare compounds with medical potential Scientists have uncovered a surprising new layer of complexity in Cannabis, identifying dozens of previously unknown compounds—including the first-ever evidence of rare molecules called flavoalkaloids in its leaves. These compounds, prized for their potential…
Post #4846 121
压力和晚餐会让你的肠道“双重打击”
研究表明,长期压力已经对肠道造成了不利影响,但新研究发现,晚餐后9点吃大餐会使情况更加糟糕。研究人员分析了数千人后发现,高压力的人群晚餐后吃了大量热量的人更容易出现便秘和腹泻。这种组合似乎会对肠道造成双重打击,不仅会干扰消化系…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-01 13:07 GMT+8(北京时间)
#压力 #晚餐 #肠道健康 #益生菌 #消化系统
ScienceDaily Your gut takes a “double hit” from stress and late-night eating Chronic stress is already tough on your gut—but new research suggests late-night eating could make things even worse. Scientists analyzing thousands of people found that those under high stress who also ate a large portion of their calories after 9 p.m. were…
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Post #4845 87
为什么饮用更多水不能预防肾结石
研究人员测试了一项高科技的饮水计划,包括智能水瓶、提醒、指导和经济激励,以便人们饮用足够的水以防止肾结石复发。结果表明,饮用更多水并不能预防肾结石的复发。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-01 15:36 GMT+8(北京时间)
#肾结石 #饮水 #预防 #健康
ScienceDaily Why drinking more water didn’t prevent kidney stones Kidney stones are notoriously painful—and frustratingly common, with many people facing repeat episodes. A massive new study tested whether a high-tech hydration program—complete with smart water bottles, reminders, coaching, and even financial incentives—could…
Post #4844 271
法国里昂和巴黎,2025-2026年,同性性行为男性间的可能性传播皮肤病原体病例
研究人员在法国里昂和巴黎发现了几例男性间性行为者中可能的皮肤病原体传播病例,研究表明该病原体可能通过性接触传播,研究结果对预防和控制皮肤病原体传播具有重要意义
来源: CDC | 阅读全文
发布时间: 2026-04-30 12:00 GMT+8(北京时间)
#皮肤病原体 #性传播 #同性性行为者
Emerging Infectious Diseases journal Suspected Sexual Transmission of Dermatophilosis among Men Who Have Sex with Men, Lyon and Paris, France, 2025–2026
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Post #4843 153
人工智能似乎能回答问题,但对问题却一无所知
研究人员最近挑战了人工智能模型Centaur的能力,称其并不像之前宣称的那样能模拟人类思维,而是仅仅依靠记忆模式来回答问题。
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-30 14:44 GMT+8(北京时间)
#人工智能 #Centaur #人类思维
ScienceDaily This AI knew the answers but didn’t understand the questions For decades, psychologists have debated whether the human mind can be explained by one unified theory or must be broken into separate parts like memory and attention. A recent AI model called Centaur seemed to offer a breakthrough, claiming it could mimic…
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Post #4842 82
科学家揭示最佳的关节痛缓解运动方案
研究人员对217项试验进行了大规模的综述,结果显示,循环运动是治疗关节软骨病的最有效方法。步行、自行车和游泳等活动比其他运动类型更能减轻疼痛并改善运动能力。虽然力量训练和心身运动也有一定帮助,但最好与循环运动结合使用。研究结果还…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-30 15:30 GMT+8(北京时间)
#关节软骨病 #循环运动 #力量训练 #心身运动
ScienceDaily Scientists reveal the best exercise for knee arthritis pain relief A major review of 217 trials shows that aerobic exercise is the most effective option for managing knee osteoarthritis. Activities like walking, cycling, and swimming outperformed other exercise types in reducing pain and improving movement. While alternatives…
Post #4841 61
科学家们通过阻断一种蛋白质来恢复记忆
研究人员发现了一种新的潜在的阿尔茨海默症治疗手段:阻断PTP1B蛋白。研究表明,在小鼠身上,这种方法可以提高记忆力,并帮助脑脏的免疫细胞清除有害的斑块积累。由于PTP1B与糖尿病和肥胖有关,这两种疾病也是阿尔茨海默症的风险因素,因此,…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-30 16:31 GMT+8(北京时间)
#阿尔茨海默症 #PTP1B #记忆力 #脑脏 #免疫细胞
ScienceDaily Scientists restore memory by blocking a single Alzheimer’s protein Researchers have identified a new potential weapon against Alzheimer’s: blocking a protein called PTP1B. In mice, this approach boosted memory and helped brain immune cells clear harmful plaque buildup. Since PTP1B is also linked to diabetes and obesity—both…
Post #4840 60
澳大利亚成为第30个消灭沙眼的国家
世界卫生组织(WHO)确认澳大利亚消灭了沙眼,标志着澳大利亚原住民健康和全球疟疾热带病(NTDs)防治的重大里程碑。沙眼是全球 blindness的主要原因之一,已不再构成澳大利亚公共卫生问题。
来源: WHO | 阅读全文
发布时间: 2026-04-29 14:10 GMT+8(北京时间)
#世界卫生组织 #澳大利亚 #沙眼 #疟疾热带病
World Health Organization Australia becomes the 30th country to eliminate trachoma as a public health problem The World Health Organization (WHO) has validated Australia for eliminating trachoma as a public health problem, marking a significant milestone in the health of indigenous peoples and in global efforts to combat neglected tropical diseases (NTDs). Trachoma…
Post #4839 53
第一张3D影像揭示杀伤T细胞如何摧毁癌细胞
科学家们首次捕捉到杀伤T细胞攻击癌细胞的精确过程,揭示了细胞之间分子舞蹈的细节。
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-30 12:36 GMT+8(北京时间)
#T细胞 #癌细胞 #免疫系统
ScienceDaily First-ever 3D view shows how killer T cells destroy cancer The body’s “killer” T cells don’t just attack—they strike with astonishing precision, forming a tiny, highly organized contact zone that lets them destroy dangerous cells without harming their neighbors. Now, scientists have captured this process in unprecedented…
Post #4838 52
你的鼻子里有一个隐藏的图景:如何解释嗅觉的奥秘?
科学家们终于破解了嗅觉领域的一个最大的谜团:嗅觉是如何组织的。通过在小鼠身上绘制了数百万个神经元的图景,研究人员发现鼻子的嗅觉受体并不是随机分布的,而是按照受体类型有序排列,形成了一个科学家们从未知晓的隐藏结构。更为惊人的是…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-30 13:05 GMT+8(北京时间)
#嗅觉 #神经元 #鼻子 #神经系统
ScienceDaily A hidden map in your nose could explain how smell works Scientists have finally cracked one of the biggest mysteries in the senses: how smell is organized. By mapping millions of neurons in mice, researchers discovered that smell receptors in the nose aren’t random at all—they’re arranged in neat, overlapping…
Post #4837 86
百日咳疫情,韩国,2024:序列间隔和干预效率
本研究探讨了韩国2024年百日咳疫情的序列间隔和干预效率。研究人员使用了数据分析和模型模拟等方法,发现了序列间隔对疫情传播的影响以及干预措施的有效性。研究结果表明,序列间隔是预测疫情传播的关键因素,有效的干预措施可以显著减少疫…
来源: CDC | 阅读全文
发布时间: 2026-04-29 12:00 GMT+8(北京时间)
#百日咳 #疫情 #序列间隔 #干预效率 #韩国
Emerging Infectious Diseases journal Serial Interval and Intervention Efficiency in Pertussis Outbreak, South Korea, 2024
Post #4836 89
尼日利亚2021-2022年疱疹病毒爆发地区野生哺乳动物的疱疹病毒抗体
研究人员在尼日利亚2021-2022年疱疹病毒爆发地区发现了野生哺乳动物中存在疱疹病毒抗体,这些抗体与人类疱疹病毒爆发有关。研究表明,野生哺乳动物可能在疱疹病毒传播中起着重要作用。这一发现对理解疱疹病毒爆发的传播机制和控制措施具有…
来源: CDC | 阅读全文
发布时间: 2026-04-29 12:00 GMT+8(北京时间)
#疱疹病毒 #野生哺乳动物 #尼日利亚 #疫情
Emerging Infectious Diseases journal <em>Orthopoxvirus</em> Antibodies in Feral Mammals in Mpox Outbreak Areas, Nigeria, 2021–2022 <em>Orthopoxvirus</em> Antibodies in Feral Mammals, Nigeria
Post #4835 78
科学家们发现了生命可能起源的令人毛骨悚然的方式
科学家们通过实验发现,早期地球的冷冻和解冻可能促进了原始细胞样结构的生长和演化。微小的脂质气泡根据其膜成分的不同表现出不同的行为—某些脂质气泡融合成更大的囊泡并更高效地捕获DNA。这些融合事件可能混合了关键的分子,从而为更复杂…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-29 20:11 GMT+8(北京时间)
#生命起源 #脂质气泡 #细胞结构
ScienceDaily Scientists just found a chilling way life may have begun New experiments suggest that freezing and thawing on early Earth may have helped primitive cell-like structures grow and evolve. Tiny lipid bubbles behaved very differently depending on their membrane makeup—some fused into larger compartments and captured…
Post #4834 60
麻省理工研究:儿童更容易受到水中致癌化学物质的影响
麻省理工大学的一项研究发现,环境污染物NDMA(存在于受污染的水中、某些药物中以及加工食品中)可能对儿童造成更大的癌症风险。实验表明,幼年小鼠暴露于该化学物质后,尽管初期暴露量与成人相同,但其DNA损伤和癌症风险却显著增加。关键区别…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-29 13:06 GMT+8(北京时间)
#NDMA #儿童 #癌症风险 #环境污染 #DNA损伤
ScienceDaily MIT study finds children more vulnerable to cancer-causing chemical in water A troubling new study from MIT reveals that a common environmental contaminant, NDMA—found in polluted water, certain medications, and even processed foods—may pose a far greater cancer risk to children than adults. In experiments with mice, young animals…
Post #4833 54
一种被遗忘的药物为罕见疾病的儿童带来新希望
一种几十年前的药物曾用于治疗睡眠病,现在正在对一种罕见且致命的遗传性疾病——巴赫曼-布普综合征(BABS)展现出令人惊讶的希望。早期的患者治疗结果表明,这种药物DFMO可能通过针对基因突变来缓解严重症状。研究人员已经对几名患者进行了…
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-29 13:28 GMT+8(北京时间)
#DFMO #巴赫曼布普综合征 #遗传性疾病
ScienceDaily A forgotten drug is giving new hope to kids with a rare disease A decades-old drug once used to treat sleeping sickness is now showing surprising promise against an ultra-rare and life-threatening genetic disorder called Bachmann-Bupp syndrome (BABS). Early patient treatments suggest the drug, DFMO, may ease severe symptoms…
Post #4832 53
印度发现一条史前巨蟒,长度达11-15米
印度一条史前巨蟒化石被发现,长度约为11到15米,可能是史上最大的蛇之一。该巨蟒被命名为Vasuki indicus,生活于47百万年前。化石发现于印度甘比尔州的一座煤矿中,表明该巨蟒是厚大的,适合进行缓慢、隐蔽的袭击,类似现代鳄鱼蛇。
来源: ScienceDaily | 阅读全文
发布时间: 2026-04-29 17:13 GMT+8(北京时间)
#Vasukiindicus #史前巨蟒 #印度
ScienceDaily 50-foot ancient snake discovered in India may be one of the largest ever A massive prehistoric snake discovered in India may rank among the largest ever to slither across Earth. Named Vasuki indicus, this ancient giant lived around 47 million years ago and is estimated to have stretched an astonishing 11 to 15 meters long—rivaling…
Post #4831 53
北美新型冠状病毒基因组分析
研究人员分析了2023年北美新冠病毒的基因组序列,了解了该病毒的起源、传播和变异情况,揭示了该病毒的潜在风险和防控策略。
来源: CDC | 阅读全文
发布时间: 2026-04-27 12:00 GMT+8(北京时间)
#新冠病毒 #基因组分析 #北美
Emerging Infectious Diseases journal Genomic Analysis of Sin Nombre Virus Sequences, Northwestern United States, 2023 Sin Nombre Virus, Northwestern United States, 2023
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