Transcranial temporal interference stimulation (tTIS) is a novel non-invasive neuromodulation technique with the potential to precisely target deep brain structures. This study explores the neural and behavioral effects of tTIS on the superior colliculus (SC), a region involved in eye movement control, in mice. Computational modeling revealed that tTIS delivers more focused stimulation to the SC than traditional transcranial alternating current stimulation. In vivo experiments, including Ca²⁺ signal recordings and eye movement tracking, showed that tTIS effectively modulates SC neural activity and induces eye movements. A significant correlation was found between stimulation frequency and saccade frequency, suggesting direct tTIS-induced modulation of SC activity. These results demonstrate the precision of tTIS in targeting deep brain regions and regulating eye movements, highlighting its potential for neuroscientific research and therapeutic applications.
Animals ; Superior Colliculi/physiology* ; Transcranial Direct Current Stimulation/methods* ; Eye Movements/physiology* ; Male ; Mice ; Mice, Inbred C57BL

Immune checkpoint inhibitors(ICIs)are currently used to treat a variety of tumors.However,there are adverse reactions related to the immune system.Type 1 diabetes mellitus(T1DM)outbreak is a rare endocrine complication,as is ICIs-related myocarditis.This article reports a patient with diabetic ketoacidosis and severe myocarditis after ICIs treatment for lung cancer.After fluid infusion,acid correction,insulin hypoglycemic therapy,and high-dose hormone pulse therapy,the patient showed clinical improvement and was discharged.Through the analysis of the patient's clinical data,we aimed to improve clinicians'understanding of ICIs-associated DM and myocarditis,and to review the literature on possible pathogenesis and treatment.

Objective:This study aims to analyze historical trends and predict future trends of disability-adjusted life years (DALYs) attributable to high BMI for osteoarthritis (OA) in China. OA is a common chronic degenerative joint disease, with high body mass index (BMI) being a significant risk factor. in China.Methods:Based on the Global Burden of Disease (GBD) 2021 database, we analyzed trends in high-BMI-attributable OA. The ASR of hogh-BMI-attributable OA DALYs increased from DALYs in China from 1990 to 2021. A Bayesian age-period-cohort (BAPC) model was used to predict trends from 2022 to 2046. Age-standardized rates (ASR) and estimated annual percentage changes (EAPC) were calculated to assess trend changes of trends. A Bayesian age-period-cohort (BAPC) model was used to predict trends from 2022 to 2046. Chi-square tests were used to compare differences in high BMI attribution proportions between regions and years.Results:From 1990 to 2021, China′s OA DALYs increased from 1.829 to 5.327 million, with the proportion attributable to high BMI rising from 13.47% to 21.86% ( χ2=60 527.25, P<0.001). The ASR of high-BMI-attributable to OA increased from 27.4 (-2.2, 81.5) per 100,000 to 53.0 (-4.7, 150.7) per 100 000, with an EAPC of 2.48% [95% (uncertainty interval, UI): 2.35, 2.62]. In 2021, females showed significantly higher ASR (69.2 per 100 000) than males (36.1 per 100 000). Knee OA (ASR: 50.5/100 000) demonstrated substantially higher burden than hip OA (ASR: 2.5/100 000). Age effect analysis showed DALYs peaked at ages 80~90; period effect indicated accelerated growth after 2005; cohort effect showed a U-shaped trend with the 1990 birth cohort having the highest relative risk (approximately 3.0). Projections indicated that up to 2046, total OA DALYs will reach approximately 2.39 million with an ASR of about 71, showing more significant growth among females (ASR reaching 100). Conclusion:High-BMI-attributable to OA DALYs in China shows a significant upward trend, and is expected to continue. This trend is more pronounced among females and elderly populations than males, highlighting the urgency of implementing preventive measures for high-risk groups, particularly in weight management.

BACKGROUND:Gradient artificial bone repair scaffolds can mimic unique anatomical features in musculoskeletal tissues,showing great potential for repairing injured musculoskeletal tissues. OBJECTIVE:To review the latest research advances in gradient artificial bone repair scaffolds for tissue engineering in the musculoskeletal system and describe their advantages and fabrication strategies. METHODS:The first author of the article searched the Web of Science and PubMed databases for articles published from 2000 to 2023 with search terms"gradient,bone regeneration,scaffold".Finally,76 papers were analyzed and summarized after the screening. RESULTS AND CONCLUSION:(1)As an important means of efficient and high-quality repair of skeletal system tissues,gradient artificial bone repair scaffolds are currently designed bionically for the natural gradient characteristics of bone tissue,bone-cartilage,and tendon-bone tissue.These scaffolds can mimic the extracellular matrix of native tissues to a certain extent in terms of structure and composition,thus promoting cell adhesion,migration,proliferation,differentiation,and regenerative recovery of damaged tissues to their native state.(2)Advanced manufacturing technology provides more possibilities for gradient artificial bone repair scaffold preparation:Gradient electrospun fiber scaffolds constructed by spatially differentiated fiber arrangement and loading of biologically active substances have been developed;gradient 3D printed scaffolds fabricated by layered stacking,graded porosity,and bio-3D printing technology;gradient hydrogel scaffolds fabricated by in-situ layered injections,simple layer-by-layer stacking,and freeze-drying method;and in addition,there are also scaffolds made by other modalities or multi-method coupling.These scaffolds have demonstrated good biocompatibility in vitro experiments,were able to accelerate tissue regeneration in small animal tests,and were observed to have significantly improved histological structure.(3)The currently developed gradient artificial bone repair scaffolds have problems such as mismatch of gradient scales,unclear material-tissue interactions,and side effects caused by degradation products,which need to be further optimized by combining the strengths of related disciplines and clinical needs in the future.

Objective:To systematically review qualitative studies on the experiences of musculoskeletal symptoms in breast cancer patients undergoing endocrine therapy, and to gain insights into the initiation, development, and effects of these symptoms, along with their implications for patients, to guide the creation of targeted strategies for symptom management.Methods:The qualitative studies on the experiences of musculoskeletal symptoms in breast cancer patients undergoing endocrine therapy were performed across several databases, which included the Cochrane Library, Joanna Briggs Institute Evidence based Healthcare Center Database, PubMed, Embase, CINAHL, Web of Science, Scopus, CNKI, Wanfang Data, and Chinese Biomedical Literature Database. The retrieval period was from the establishment of the database to April 30, 2024. The studies' quality was evaluated utilizing the iteration of the Joanna Briggs Institute Qualitative Assessment and Review Instrument designed for qualitative research. Data synthesis was carried out using Meta-aggregation techniques.Results:A total of 15 articles were included and 41 results were extracted, which were grouped into 11 new categories and integrated into 3 primary themes: the manifestation of bone and joint symptoms was highly unique and varied, prominently featuring experiences such as migratory joint pain, morning stiffness, and cramps affecting both large and small joints, frequently associated with functional limitations; these symptoms significantly influence patients' everyday activities and mental health, contributing to feelings of anxiety, avoidance behaviors, fear, and a reduction in overall quality of life; to manage the intricate nature of their symptoms, patients employ a variety of coping mechanisms, such as engaging in physical activity, taking dietary supplements, consulting about medications, and seeking support from external sources.Conclusions:During endocrine therapy for breast cancer, patients exhibit diverse characteristics of musculoskeletal symptoms, and the resulting fear of recurrence, avoidance behaviors, and anxiety have a negative impact on their psychological well-being and overall health. Healthcare professionals should take into account individual differences, such as age, menopausal status, type of endocrine therapy, medication adherence, and factors that may exacerbate or alleviate symptoms, in order to effectively predict, assess, and manage bone and joint symptoms during endocrine therapy.

Immune checkpoint inhibitors(ICIs)are currently used to treat a variety of tumors.However,there are adverse reactions related to the immune system.Type 1 diabetes mellitus(T1DM)outbreak is a rare endocrine complication,as is ICIs-related myocarditis.This article reports a patient with diabetic ketoacidosis and severe myocarditis after ICIs treatment for lung cancer.After fluid infusion,acid correction,insulin hypoglycemic therapy,and high-dose hormone pulse therapy,the patient showed clinical improvement and was discharged.Through the analysis of the patient's clinical data,we aimed to improve clinicians'understanding of ICIs-associated DM and myocarditis,and to review the literature on possible pathogenesis and treatment.

Objective:To systematically review qualitative studies on the experiences of musculoskeletal symptoms in breast cancer patients undergoing endocrine therapy, and to gain insights into the initiation, development, and effects of these symptoms, along with their implications for patients, to guide the creation of targeted strategies for symptom management.Methods:The qualitative studies on the experiences of musculoskeletal symptoms in breast cancer patients undergoing endocrine therapy were performed across several databases, which included the Cochrane Library, Joanna Briggs Institute Evidence based Healthcare Center Database, PubMed, Embase, CINAHL, Web of Science, Scopus, CNKI, Wanfang Data, and Chinese Biomedical Literature Database. The retrieval period was from the establishment of the database to April 30, 2024. The studies' quality was evaluated utilizing the iteration of the Joanna Briggs Institute Qualitative Assessment and Review Instrument designed for qualitative research. Data synthesis was carried out using Meta-aggregation techniques.Results:A total of 15 articles were included and 41 results were extracted, which were grouped into 11 new categories and integrated into 3 primary themes: the manifestation of bone and joint symptoms was highly unique and varied, prominently featuring experiences such as migratory joint pain, morning stiffness, and cramps affecting both large and small joints, frequently associated with functional limitations; these symptoms significantly influence patients' everyday activities and mental health, contributing to feelings of anxiety, avoidance behaviors, fear, and a reduction in overall quality of life; to manage the intricate nature of their symptoms, patients employ a variety of coping mechanisms, such as engaging in physical activity, taking dietary supplements, consulting about medications, and seeking support from external sources.Conclusions:During endocrine therapy for breast cancer, patients exhibit diverse characteristics of musculoskeletal symptoms, and the resulting fear of recurrence, avoidance behaviors, and anxiety have a negative impact on their psychological well-being and overall health. Healthcare professionals should take into account individual differences, such as age, menopausal status, type of endocrine therapy, medication adherence, and factors that may exacerbate or alleviate symptoms, in order to effectively predict, assess, and manage bone and joint symptoms during endocrine therapy.

Objective:This study aims to analyze historical trends and predict future trends of disability-adjusted life years (DALYs) attributable to high BMI for osteoarthritis (OA) in China. OA is a common chronic degenerative joint disease, with high body mass index (BMI) being a significant risk factor. in China.Methods:Based on the Global Burden of Disease (GBD) 2021 database, we analyzed trends in high-BMI-attributable OA. The ASR of hogh-BMI-attributable OA DALYs increased from DALYs in China from 1990 to 2021. A Bayesian age-period-cohort (BAPC) model was used to predict trends from 2022 to 2046. Age-standardized rates (ASR) and estimated annual percentage changes (EAPC) were calculated to assess trend changes of trends. A Bayesian age-period-cohort (BAPC) model was used to predict trends from 2022 to 2046. Chi-square tests were used to compare differences in high BMI attribution proportions between regions and years.Results:From 1990 to 2021, China′s OA DALYs increased from 1.829 to 5.327 million, with the proportion attributable to high BMI rising from 13.47% to 21.86% ( χ2=60 527.25, P<0.001). The ASR of high-BMI-attributable to OA increased from 27.4 (-2.2, 81.5) per 100,000 to 53.0 (-4.7, 150.7) per 100 000, with an EAPC of 2.48% [95% (uncertainty interval, UI): 2.35, 2.62]. In 2021, females showed significantly higher ASR (69.2 per 100 000) than males (36.1 per 100 000). Knee OA (ASR: 50.5/100 000) demonstrated substantially higher burden than hip OA (ASR: 2.5/100 000). Age effect analysis showed DALYs peaked at ages 80~90; period effect indicated accelerated growth after 2005; cohort effect showed a U-shaped trend with the 1990 birth cohort having the highest relative risk (approximately 3.0). Projections indicated that up to 2046, total OA DALYs will reach approximately 2.39 million with an ASR of about 71, showing more significant growth among females (ASR reaching 100). Conclusion:High-BMI-attributable to OA DALYs in China shows a significant upward trend, and is expected to continue. This trend is more pronounced among females and elderly populations than males, highlighting the urgency of implementing preventive measures for high-risk groups, particularly in weight management.

To investigate the effects of ORF9 gene of porcine circovirus type 2(PCV2)on PK-15,eu-karyotic expression plasmid was constructed and transfected into PK-15 cells,and the effects of overexpression of ORF9 on proliferation,apoptosis and immunization of PK-15 cells were exam-ined by flow cytometry and qRT-PCR.The results showed that ORF9 gene overexpression signifi-cantly up-regulated the expression levels of the ER stress marker gene GRP78,increased the num-ber of S phase cells,accelerated cell cycle progression,increased the apoptosis rate of PK-15 cells,up-regulated the expression levels of apoptosis-related genes caspase-3,caspase-8,caspase-9,p53 and Bax(P＜0.01),down-regulated the expression levels of apoptosis-related genes Bcl-2,up-reg-ulated the expression levels of immune-related genes 1L-8,IL-10,NF-κB and TNF-α(P＜0.01),and down-regulated the expression levels of immune-related genes IL-2,IFN-β and IL-12(P＜0.01).The above results indicate that ORF9 gene may promote the proliferation and apoptosis of PK-15 cells and play a role in the escape process of PK-15 cells.

In order to understand the genomic characteristics and genetic variation and strain type of infectious bursal disease virus(IBDV)isolate GZGY2022,which caused the death of chickens in Guizhou farm,primers were designed to amplify the whole genome of the isolate,and genetic evo-lution and strain type analysis were performed after cloning and sequencing.The results showed that the A and B segments of IBDV genome were 3 260,2 827 bp,respectively,encoding VP2-VP5 and VP1 genes.The nucleotide sequence homology between the A and B segments of this strain and the VvIBDV were 96.2％-98.7％and 87.7％-98.9％,respectively,which is the highest with NN1172 strain,83.1％-94.7％and 90.1％-91.0％with other strains.The results of genetic evolution and strain type study showed that IBDV strains can be divided into 6 branches according to antigen and virulence,and the A and B segments of the strain were clustered in the evolutionary branch of VvIBDV,and the strain was A3B3 genotype according to the new genotype classification method.The results of amino acid sequence analysis showed that there were 3 and 7 unique amino acid site variations in the A and B segments of the strain,respectively,and 13 unique characteristic amino acid sites in the coding region of the full-length genome were consistent with VvIBDV.The VP2 sequence of segment A has 19 characteristic amino acid identical with VvIBDV,among which hyper variable regions 222A,242I,253Q,256I,279D,284A,294I and 299S were characteristic ami-no acid sites of the VvIBDV,and the heptapeptide region sequence SWSASGS was consistent with the virulent strain.The VP1 sequence of segment B has 10 characteristic amino acid identical with VvIBDV,among which 61I,145T and 287A were the characteristic amino acid sites of the VvIB-DV.In addition,the nucleotide sequence GGTGCC of 777-782 did not form the restriction endo-nuclease site of Kpn Ⅰ,and combined with the triplet site 145/146/147(TEG),the segment B was consistent with the NN1172 strain,showed that its virulence was slightly weaker than that of the B2 strain of VvIBDV.The results of recombination analysis showed that there were no breaks and recombination sites in the sequence of the strain,and no recombination event occurred.In summa-ry,this study found that GZGY2022 strain belonged to the A3B3 genotype non-recombinant VvIB-DV strain,and its special amino acid sites were consistent with the molecular characteristics of VvIBDV.This study lays the foundation for further exploring the genomic characteristics and path-ogenicity of VvIBDV.