2023-12-09 15:17:10医药卫生
硫化氢调节呼吸神经回路

Hydrogen sulfide, recognized by its characteristic rotten egg smell, is synthesized in the respiratory center -- an integral brain region governing respiration. Researchers at the University of Tsukuba have identified that hydrogen sulfide within the resp

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2023-12-09 15:17:08医药卫生
发现治疗脊髓性肌萎缩的新靶点

The lab of Yongchao C. Ma, PhD, at Stanley Manne Children's Research Institute at Ann & Robert H. Lurie Children's Hospital of Chicago uncovered a novel mechanism that leads to motor neuron degeneration in spinal muscular atrophy (SMA). This discove

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2023-12-09 15:17:05医药卫生
声波强化深层组织的3D打印治疗

Engineers at Duke University and Harvard Medical School have developed a bio-compatible ink that solidifies into different 3D shapes and structures by absorbing ultrasound waves. Because it responds to sound waves rather than light, the ink can be used in

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2023-12-09 15:17:01医药卫生
大脑中发现的与额颞叶痴呆有关的蛋白质

An international team of researchers including experts at the Indiana University School of Medicine has identified a protein found in the brains of people with frontotemporal dementia (FTD), discovering a new target for potential treatments for the diseas

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2023-12-09 15:16:59医药卫生
用于有效筛选抗癌药物的新型且有前景的胰腺癌症类器官

Pancreatic ductal adenocarcinoma (PDAC), that arises from pancreatic epithelial cells, is the most common form of pancreatic cancer, with a very high mortality rate. This elevated mortality is associated with the unique tumor microenvironment (TME), known

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2023-12-09 15:16:57医药卫生
对感染艾滋病毒的新生儿进行早期治疗可以使许多婴儿获得无药物治疗的缓解

An unexpectedly high percentage of children, who were born with HIV and started treatment within 48 hours of life, exhibit biomarkers by 2 years of age that may make them eligible to test for medication-free remission, according to a multinational study p

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2023-12-09 15:16:55医药卫生
血清素损失可能导致阿尔茨海默病早期认知能力下降

Comparing PET scans of more than 90 adults with and without mild cognitive impairment (MCI), Johns Hopkins Medicine researchers say relatively lower levels of the so-called "happiness" chemical, serotonin, in parts of the brain of those with MCI may pla

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2023-12-09 15:16:53医药卫生
糖尿病药物可降低患癌症的风险

A groundbreaking study by researchers at Case Western Reserve University suggests a class of medications used to treat type 2 diabetes may also reduce the risk of colorectal cancer (CRC).

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2023-12-09 15:16:51医药卫生
古代DNA分析揭示了罗马帝国的兴衰如何改变巴尔干半岛的人口

Despite the Roman Empire's extensive military and cultural influence on the nearby Balkan peninsula, a DNA analysis of individuals who lived in the region between 1 and 1000 CE found no genetic evidence of Iron Age Italian ancestry. Instead, a study publ

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2023-12-09 15:16:49医药卫生
主动脉瓣置换术后使用抗凝药物可降低死亡风险

Patients who received the anticoagulant drug warfarin after bioprosthetic aortic valve replacement had lower incidence of mortality and a decreased risk of blood clots, according to a retrospective study published in Mayo Clinic Proceedings.

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2023-12-09 15:16:47医药卫生
特定的基因变异可能有助于预防肥胖

A preclinical study by Weill Cornell Medicine investigators shows that a specific human genetic variant of a receptor that stimulates insulin release may help individuals be more resistant to obesity. The researchers discovered that this variant behaves d

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2023-12-09 15:16:45医药卫生
工程师开发了一种方法来确定材料表面的行为

Designing new compounds or alloys whose surfaces can be used as catalysts in chemical reactions can be a complex process relying heavily on the intuition of experienced chemists. A team of researchers at MIT has devised a new approach using machine learni

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