期刊：
Saudi Pharmaceutical Journal,2024年32(6):102100 ISSN：1319-0164
通讯作者：
Xu, LY;Qiu, YS
作者机构：
[Li, Junjie; Jiang, Peipei; Xu, Lingyun; Han, Di; Liu, Mingxue; Wang, Yingzhou] Wuhan Polytech Univ, Sch Life Sci & Technol, Xuefu South Rd 68,Changqing Garden, Wuhan 430023, Peoples R China.;[Zhang, Hongling] Wuhan Polytech Univ, Coll Med & Hlth Sci, Wuhan 430023, Peoples R China.;[Qiu, Yinsheng] Wuhan Polytech Univ, Sch Anim Sci & Nutr Engn, Xuefu South Rd 68,Changqing Garden, Wuhan 430023, Peoples R China.
通讯机构：
[Xu, LY ; Qiu, YS ] W;Wuhan Polytech Univ, Sch Life Sci & Technol, Xuefu South Rd 68,Changqing Garden, Wuhan 430023, Peoples R China.;Wuhan Polytech Univ, Sch Anim Sci & Nutr Engn, Xuefu South Rd 68,Changqing Garden, Wuhan 430023, Peoples R China.
关键词：
Analgesic and anti-inflammatory activity;Baicalin;Gouty arthritis;Microemulsion-based gel;Skin penetration and retention
摘要：
We previously demonstrated that baicalin had efficacy against gouty arthritis (GA) by oral administration. In this paper, a novel baicalin-loaded microemulsion-based gel (B-MEG) was prepared and assessed for the transdermal delivery of baicalin against GA. The preparation method and transdermal capability of B-MEG was screened and optimized using the central composite design, Franz diffusion cell experiments, and the split-split plot design. Skin irritation tests were performed in guinea pigs. The anti-gout effects were evaluated using mice. The optimized B-MEG comprised of 50 % pH 7.4 phosphate buffered saline, 4.48 % ethyl oleate, 31.64 % tween 80, 13.88 % glycerin, 2 % borneol, 0.5 % clove oil and 0.5 % xanthan gum, with a baicalin content of (10.42 +/- 0.08) mg/g and particle size of (15.71 +/- 0.41) nm. After 12 h, the cumulative amount of baicalin permeated from B-MEG was (672.14 +/- 44.11) mu g<middle dot>cm(-2). No significant skin irritation was observed following B-MEG application. Compared to the model group, B-MEG groups significantly decreased the rate of auricular swelling (P < 0.01) and number of twists observed in mice (P < 0.01); and also reduced the rate of paw swelling (P < 0.01) and inflammatory cell infiltration in a mouse model of GA. In conclusion, B-MEG represents a promising transdermal carrier for baicalin delivery and can be used as a potential therapy for GA.
期刊：
Journal of Pharmaceutical and Biomedical Analysis,2024年249:116397 ISSN：0731-7085
通讯作者：
Cheng, C
作者机构：
[Cheng, Qingzhou; Cheng, Chu; Zhou, Wei; Chen, Yulong] Wuhan Polytech Univ, Coll Med & Hlth Sci, Wuhan, Peoples R China.;[Xiao, Pengfeng] Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Digital Med Engn, Nanjing, Peoples R China.
通讯机构：
[Cheng, C ] W;Wuhan Polytech Univ, Coll Med & Hlth Sci, Wuhan, Peoples R China.
关键词：
Decoding sequencing;High accuracy;Long read length;Rare mutations;Single-color fluorogenic DNA
摘要：
We proposed a single-color fluorogenic DNA decoding sequencing method designed to improve sequencing accuracy, increase read length and throughput, as well as decrease scanning time. This method involves the incorporation of a mixture of four types of 3'-O-modified nucleotide reversible terminators into each reaction. Among them, two nucleotides are labeled with the same fluorophore, while the remaining two are unlabeled. Only one nucleotide can be extended in each reaction, and an encoding that partially defines base composition can be obtained. Through cyclic interrogation of a template twice with different nucleotide combinations, two sets of encodings are sequentially obtained, enabling the determination of the sequence. We demonstrate the feasibility of this method using established sequencing chemistry, achieving a cycle efficiency of approximately 99.5 %. Notably, this strategy exhibits remarkable efficacy in the detection and correction of sequencing errors, achieving a theoretical error rate of 0.00016 % at a sequencing depth of ×2, which is lower than Sanger sequencing. This method is theoretically compatible with the existing sequencing-by-synthesis (SBS) platforms, and the instrument is simpler, which may facilitate further reductions in sequencing costs, thereby broadening its applications in biology and medicine. Moreover, we demonstrate the capability to detect known mutation sites using information from only a single sequencing run. We validate this approach by accurately identifying a mutation site in the human mitochondrial DNA.
作者机构：
[Cheng, Qingzhou; Cheng, Chu; Zhou, Wei; Chen, Yulong; Liu, Wenbin] College of Medicine and Health Science, Wuhan Polytechnic University, Wuhan, China. chengchu@whpu.edu.cn;[Zhang, Zhiling; Ye, Jingsi] Huaren Technology Co., Ltd, Wuhu, China;[Xiao, Pengfeng] State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
摘要：
Eliminating errors in next-generation sequencing has proven to be challenging. Here we present a novel strategy for DNA sequencing, called correctable two-color fluorogenic DNA decoding sequencing, which can significantly improve sequencing accuracy and throughput by employing a dual-nucleotide addition combined with fluorogenic sequencing-by-synthesis (SBS) chemistry. This sequencing method involves introducing a mixture of natural nucleotide X, labeled unblocked nucleotide X', 3' blocked nucleotide Y*, and labeled 3' blocked nucleotide Y* into each reaction cycle. By cyclically interrogating a template twice with different nucleotide combinations, two sets of base-encoding are sequentially obtained, enabling accurate deduction of base sequence. We demonstrate the remarkable efficacy of this approach in detecting and correcting sequencing errors, achieving a theoretical error rate of 0.0005%, which is twice as accurate as Sanger sequencing. Furthermore, we show the capability to detect known mutation sites using information from only a single sequencing run. The correctable two-color fluorogenic DNA decoding sequencing approach should enable accurate identification of extremely rare genomic variations in diverse applications in biology and medicine.
摘要：
<jats:sec><jats:title>Background</jats:title><jats:p>Our previous multicenter case-control study showed that aging, up-regulation of platelet glycogen synthase kinase-3β (GSK-3β), impaired olfactory function, and ApoE ϵ4 genotype were associated with cognitive decline in type 2 diabetes mellitus (T2DM) patients. However, the causal relationship between these biomarkers and the development of cognitive decline in T2DM patients remains unclear.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>To further investigate this potential relationship, we designed a 6-year follow-up study in 273 T2DM patients with normal cognitive in our previous study. Baseline characteristics of the study population were compared between T2DM patients with and without incident mild cognitive impairment (MCI). We utilized Cox proportional hazard regression models to assess the risk of cognitive impairment associated with various baseline biomarkers. Receiver operating characteristic curves (ROC) were performed to evaluate the diagnostic accuracy of these biomarkers in predicting cognitive impairment.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>During a median follow-up time of 6 years (with a range of 4 to 9 years), 40 patients (16.13%) with T2DM developed MCI. Participants who developed incident MCI were more likely to be older, have a lower education level, have more diabetic complications, a higher percentage of ApoE ϵ4 allele and a higher level of platelet GSK-3β activity (rGSK-3β) at baseline (<jats:italic>P&lt;0.05</jats:italic>). In the longitudinal follow-up, individuals with higher levels of rGSK-3β were more likely to develop incident MCI, with an adjusted hazard ratio (HR) of 1.60 (95% confidence interval [CI] 1.05, 2.46), even after controlling for potential confounders. The AUC of the combination of age, rGSK-3β and ApoEϵ4 allele predicted for incident MCI was 0.71.</jats:p></jats:sec><jats:sec><jats:title>Conclusion</jats:title><jats:p>Platelet GSK-3β activity could be a useful biomarker to predict cognitive decline, suggesting the feasibility of identifying vulnerable population and implementing early prevention for dementia.</jats:p></jats:sec>
通讯机构：
[Cheng, QZ ; Ding, H ] W;Wuhan Polytech Univ, Coll Med & Hlth Sci, 68 Xuefu South Rd, Wuhan 430023, Hubei, Peoples R China.;Wuhan Univ, Sch Pharmaceut Sci, 185 Donghu Rd, Wuhan 430072, Hubei, Peoples R China.
关键词：
Epilepsy;Luteolin;Neuronal apoptosis;Neuroinflammation;TLR4/I kappa B alpha/NF-kappa B pathway
摘要：
Epilepsy represents a prevalent neurological disorder in the population, and the existing antiepileptic drugs (AEDs) often fail to adequately control seizures. Inflammation is recognized as a pivotal factor in the pathophysiology of epilepsy. Luteolin, a natural flavonoid extract, possesses anti-inflammatory properties and exhibits promising neuroprotective activity. Nevertheless, the precise molecular mechanisms underlying the antiepileptic effects of luteolin remain elusive. In this study, we established a rat model of epilepsy using pentylenetetrazole (PTZ) to induce seizures. A series of behavioral experiments were conducted to assess behavioral abilities and cognitive function. Histological techniques, including HE staining, Nissl staining, and TUNEL staining, were employed to assess hippocampal neuronal damage. Additionally, Western blotting, RT-qPCR, and ELISA were utilized to analyze the expression levels of proteins involved in the TLR4/I kappa B alpha/NF-kappa B signaling pathway, transcription levels of apoptotic factors, and levels of inflammatory cytokines, respectively. Luteolin exhibited a dosedependent reduction in seizure severity, prolonged the latency period of seizures, and shortened seizure duration. Furthermore, luteolin prevented hippocampal neuronal damage in PTZ-induced epileptic rats and partially restored behavioral function and learning and memory abilities. Lastly, PTZ kindling activated the TLR4/I kappa B alpha/ NF-kappa B pathway, leading to elevated levels of the cytokines TNF-alpha, IL-6 and IL-1 beta, which were attenuated by luteolin. Luteolin exerted anticonvulsant and neuroprotective activities in the PTZ-induced epileptic model. Its mechanism was associated with the inhibition of the TLR4/I kappa B alpha/NF-kappa B pathway, alleviating the immuneinflammatory response in the post-epileptic hippocampus.
摘要：
With the aging of human society, more and more elderly patients have to undergo surgery and anesthesia. Clinical observations have indicated from time to time that spinal anesthesia in the elderly appears to last longer than in young people, although there is limited research in this area and the mechanism is unclear at present time. This research work is expected to help understand the decline of local anesthetic metabolism in cerebrospinal fluid of elderly patients so as to help them with precise anesthesia and rapid rehabilitation. Twenty patients with spinal anesthesia in orthopedic lower limb surgery were selected to study the rate of drug metabolism in cerebrospinal fluid in two age groups, i.e.,18–30 years old and 75–90 years old. Ropivacaine in peripheral blood is used as a probe to reflect the speed of drug metabolism in cerebrospinal fluid. The contents of total Aβ protein and hyaluronic acid in the cerebrospinal fluid were investigated as well. The equivalent dose of ropivacaine anesthetizes the elderly group for a longer time. The metabolism rate of ropivacaine in an elderly patient was slower than that of a young patient. No significant difference in total Aβ protein between the two groups was observed while hyaluronic acid in the elderly group was significantly higher than that in the young group. This study shows that the dose of ropivacaine should be reduced when used for anesthesia in elderly patients. The cumulation of ropivacaine and HA appears to imitate the degeneration of central lymphatic circulation metabolism in elderly people.
通讯机构：
[Wang, M ] H;Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Nursing Dept, 1095 Jiefang Ave, Wuhan 430030, Peoples R China.
关键词：
AIDS;Older MSM;SDG 3: Good health and well-being;health information;information avoidance
摘要：
A worrying phenomenon has emerged recently: more people are deliberately avoiding rather than seeking information regarding acquired immunodeficiency syndrome (AIDS). This is the first study to explore behaviors related to AIDS information avoidance and the potential influential factors among older men who have sex with men (MSM). We enrolled 11 older MSM from Wuhan, the largest city in central China, from January to March 2023 using a phenomenological method. This qualitative research was conducted using face-to-face semi-structured interviews. AIDS information avoidance was commonly observed among the respondents. Behaviors related to AIDS information avoidance included avoiding AIDS-related information, ignoring known AIDS information, and avoiding medical care. The main factors associated with AIDS information avoidance included information overload, high-risk sexual behaviors, over-optimism, fear of disclosure, and age. China should provide AIDS information in a manner suitable for older MSM, pay more attention to MSM over the age of 70 years, those who are not open about their sexual orientation and those who are too optimistic, and strengthen the censorship of AIDS information.
摘要：
American Journal of Alzheimer's Disease & Other Dementias®, Volume 39, Issue , January-December 2024. <br/>ObjectivesTo examine the relationship between hearing impairment and cognitive function and the mediating role of social isolation and depression. Methods: Data came from the 2018 China Health and Retirement Longitudinal Study wave. A self-reported item, a composite index, the 10-item Center for Epidemiological Studies Depression Scale, and the Mini-Mental State Exam were used to measure hearing impairment, social isolation, depression, and cognitive function, respectively. Mediation analysis was performed. Results: 6799 participants were included. For participants reporting mild hearing impairment and severe hearing impairment, there were significant direct and indirect effects on cognitive function. Social isolation mediated 2.75% and 6.33% of the relationship between mild hearing impairment, severe hearing impairment, and cognitive function, respectively. The direct effect of hearing impairment outweighed the mediation effect of social isolation on cognitive function. Conclusions: Decreased cognitive function linked to hearing impairment might benefit from addressing hearing impairment and social isolation in older adults.
通讯机构：
[Wei, N ] W;Wuhan Polytech Univ, Coll Med & Hlth Sci, Dept Rehabil Sci, Wuhan, Hubei, Peoples R China.
关键词：
Dynapenia;anthropometric measurements;cut-off values;receiver operating characteristic curve analysis;the five times sit-to-stand test
摘要：
PURPOSE: This study evaluated whether anthropometric measurements and the five times sit-to-stand test could be used to identify dynapenia. The cut-off values of accurate screening tools for identifying dynapenia were also established. MATERIALS AND METHODS: This was a cross-sectional study conducted on individuals ≥ 60 years old (N = 529). All participants underwent handgrip strength measurement, anthropometric measurements and the five times sit-to-stand test. The participants whose handgrip strength was < 28 kg for men and < 18 kg for women were considered to have dynapenia. The association between the recorded variables and dynapenia was determined using logistic regression, and cut-off values were established by performing the Receiver Operating Characteristic curve analysis. RESULTS: The prevalence of dynapenia was 35.42% in men and 25.61% in women. For males, both calf circumference (≤ 35.2 cm) and the five times sit-to-stand test (≥ 14.6 s) could be used as accurate tools for dynapenia. For females, only the five times sit-to-stand test (≥ 11.8 s) had sufficient accuracy to be used as a screening tool for dynapenia. CONCLUSIONS: The five times sit-to-stand test was an accurate screening tool for identifying dynapenia. The calf circumference could be only used as a screening tool in males.
