分类： science

A groundbreaking neurological study has revealed a specific brain network whose impaired functionality serves as a central mechanism in Parkinson’s disease. The research, spearheaded by Beijing’s Changping Laboratory and published in the prestigious journal Nature, provides unprecedented insights into the neurological underpinnings of this progressive disorder.

The investigation identified the somato-cognitive action network (SCAN) as critically compromised in Parkinson’s patients. This sophisticated neural system, responsible for coordinating whole-body movement, demonstrates abnormal hyperconnectivity to multiple deep brain structures in individuals affected by the disease. The discovery offers a coherent explanation for the efficacy of existing treatments while simultaneously pointing toward more targeted and less invasive therapeutic approaches.

Professor Liu Hesheng, the senior author of the study and a leading researcher at Changping Laboratory, emphasized the significance of these findings. His team’s work represents a substantial advancement in understanding how Parkinson’s disrupts neural communication pathways, potentially revolutionizing treatment methodologies for the condition.

The research carries particular importance for China, which hosts over 5 million Parkinson’s patients—representing more than 43% of the global disease burden. Parkinson’s disease progressively impairs movement, sleep patterns, emotional regulation, and overall quality of life, with current treatments focusing primarily on symptom management rather than cure.

This neurological breakthrough not only enhances scientific comprehension of Parkinson’s pathology but also establishes a foundation for developing precisely targeted interventions that could potentially slow disease progression or restore more normal neural functioning.

A series of landmark archaeological discoveries across China in 2025 have fundamentally transformed our understanding of the nation’s historical development as a unified multi-ethnic civilization. These groundbreaking findings, recognized at the Chinese Academy of Social Sciences’ annual forum in Beijing, represent six of the most significant research breakthroughs in filling critical gaps in China’s historical narrative.

The Badam east cemetery in Turpan, Xinjiang Uygur Autonomous Region, has emerged as a particularly revealing site, functioning as a miniature ‘Silk Road exposition’ spanning the Jin (265-420) to Tang (618-907) dynasties. The site contains dozens of tombs displaying extraordinary cultural diversity, with artifacts ranging from Central Plains bronze mirrors to Persian silver coins and Central Asian-style jars. Most remarkably, archaeologists uncovered two Tang Dynasty officials’ tombs with intact epitaphs demonstrating continued administrative presence in the western regions even after the An-Shi Rebellion (755-763), challenging traditional historical assumptions about the dynasty’s decline in this period.

Simultaneously, excavations at Shandong’s Langyatai site confirmed historical records of construction by both Emperor Qinshihuang of the Qin Dynasty (221-206 BC) and Emperor Wu of the Han Dynasty (206 BC-AD 220). According to Bai Yunxiang of the Institute of Archaeology, this monumental complex in what was then a remote coastal area served as a powerful political statement asserting central authority over frontier territories.

Prehistoric research similarly yielded transformative results. In Yangyuan county, Hebei, archaeologists established a comprehensive Paleolithic cultural sequence spanning approximately 120,000 to 13,000 years ago, shedding light on a crucial period in human evolution. Meanwhile, new discoveries at Henan’s Peiligang site documented the previously elusive transition from late Paleolithic to early Neolithic periods around 8,000-7,000 years ago.

The Husta Bronze Age site in Xinjiang’s Wenquan county revealed one of the region’s earliest Bronze Age remains (4,800-4,600 years ago), featuring a large burial mound containing layered remains of dozens of individuals that promise valuable genetic insights. Complementary studies at Hebei’s Zhengjiagou site (5,300-4,800 years ago) demonstrated the expanded influence of the Neolithic Hongshan culture during its later developmental stages.

These collective discoveries provide unprecedented physical evidence of China’s long-standing cultural diversity and exchange, offering profound new perspectives on the nation’s historical development as a unified multi-ethnic state.

A groundbreaking study conducted by Chinese researchers has revealed a novel biological mechanism connecting prolonged social isolation to anxiety disorders. Published in the prestigious journal Cell Metabolism, the research demonstrates how extended periods of loneliness can trigger abnormal iron accumulation in specific brain regions responsible for emotional regulation.

The research team, led by Dr. Wang Zhuo from South China University of Technology’s School of Medicine in collaboration with Zhejiang University and Southern Medical University, employed mouse models to simulate long-term solitary living conditions. Their investigation uncovered that socially isolated mice developed significantly elevated iron levels in the ventral hippocampus—a critical brain area governing emotional responses.

According to the findings, this excess iron activates the α-synuclein protein, resulting in heightened neuronal activity associated with anxiety manifestations. Dr. Wang described this neurological process as resembling an electrical short circuit, where iron accumulation persistently transmits anxiety-related signals throughout the brain’s emotional regulation networks.

The researchers have termed this newly discovered mechanism ‘ferroplasticity’—a form of neuroplasticity influenced by both iron metabolism and environmental experiences. While iron is conventionally considered essential for proper brain function, the study indicates that under specific stress conditions, it may contribute to detrimental alterations in neural signaling pathways.

In therapeutic experiments, the team administered nasal-delivered compounds targeting iron levels or α-synuclein activity, observing remarkable reductions in anxiety-like behaviors and stabilized neuronal activity within approximately two weeks. These promising results suggest potential intervention strategies for anxiety disorders linked to social isolation.

The research gains particular significance amid growing global concerns about loneliness as a public health issue. The World Health Organization has identified social isolation as an escalating worldwide risk, with statistical evidence from China showing single-person households comprising 19.5% of total households in 2024, reaching 28.1% in Guangdong province according to the National Bureau of Statistics.

Dr. Wang’s team now plans to advance their research through safety testing, dosage optimization studies, and developing non-invasive imaging techniques to detect cerebral iron accumulation, with ultimate objectives指向 conducting human clinical trials.

A groundbreaking international study led by Lanzhou University has revealed that species diversity within local grassland communities serves as the fundamental stabilizing mechanism for maintaining productivity in China’s natural grassland ecosystems. Published in Nature Communications, this research provides crucial insights into ecosystem resilience amid global climate change challenges.

The collaborative investigation between Chinese, Dutch, and Spanish researchers conducted extensive field studies across 235 sampling sites in China’s ecologically significant regions, including the Qinghai-Tibet Plateau and Inner Mongolia Plateau. The research methodology integrated systematic field measurements of plant species composition, functional traits, and soil properties with decade-long remote sensing data to track vegetation productivity dynamics.

Professor Liu Xiang from Lanzhou University’s College of Ecology explained that while ecological theory has long suggested that biodiversity promotes ecosystem stability, this study provides empirical evidence at unprecedented spatial scales. The research demonstrates that species richness consistently stabilizes productivity, whereas functional diversity surprisingly contributes to destabilization at local scales.

The study uncovered regional variations in stabilizing factors. On water-limited Inner Mongolia Plateau, mean annual precipitation emerged as the primary stabilizing factor, while on temperature-constrained Qinghai-Tibet Plateau, local species richness proved most critical. Contrary to previous assumptions, the research found no evidence that differences in species composition or functional traits among communities enhance stability through asynchronous productivity fluctuations at larger spatial scales.

These findings challenge existing ecological models and provide a new scientific foundation for sustainable grassland management, particularly in arid and cold regions vulnerable to climate change impacts. The integration of large-scale field investigation with long-term remote observation represents a methodological advancement in ecological research, offering more accurate predictive capabilities for ecosystem responses to environmental changes.

Shanghai’s scientific community witnessed a significant gathering of emerging talent as the Pujiang Innovation Forum’s CCB Lab convened its latest “Youth Voice” academic symposium on Friday. The event, specifically dedicated to plant science advancements, established a dynamic platform combining rigorous academic discourse with collaborative networking opportunities for promising researchers.

Distinguished experts including Cui Xiaofeng, Executive Editor of prestigious journals Molecular Plant and Plant Communications, and Du Wenxian, Associate Researcher at Shanghai Sixth People’s Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, delivered cutting-edge presentations. Their insights traced China’s remarkable evolution in plant science from its early days of following international trends to its current position as a global innovator in the field.

The symposium introduced the ambitious “Plant Science 2035” vision, outlining how technological breakthroughs are revolutionizing research methodologies across scales—from molecular investigations to comprehensive ecosystem analyses. This forward-looking framework emphasizes interdisciplinary approaches that will define the next decade of botanical research.

Leveraging digital connectivity, the event achieved substantial reach through multi-platform livestreaming, accumulating over 10,000 views and facilitating active participation from young scholars both virtually and in-person. The collaborative effort between Shanghai Pujiang Innovation Forum Center and Shanghai Association of Young Talents in Science and Technology demonstrated a committed institutional approach to nurturing scientific talent through themed academic gatherings that address future challenges and opportunities.