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"Yang, Nian"
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Hybrid Deep Learning Predictor for Smart Agriculture Sensing Based on Empirical Mode Decomposition and Gated Recurrent Unit Group Model
by
Yang, Nian-Xiang
,
Jin, Xue-Bo
,
Su, Ting-Li
in
Agriculture
,
convolution operation
,
Crops, Agricultural
2020
Smart agricultural sensing has enabled great advantages in practical applications recently, making it one of the most important and valuable systems. For outdoor plantation farms, the prediction of climate data, such as temperature, wind speed, and humidity, enables the planning and control of agricultural production to improve the yield and quality of crops. However, it is not easy to accurately predict climate trends because the sensing data are complex, nonlinear, and contain multiple components. This study proposes a hybrid deep learning predictor, in which an empirical mode decomposition (EMD) method is used to decompose the climate data into fixed component groups with different frequency characteristics, then a gated recurrent unit (GRU) network is trained for each group as the sub-predictor, and finally the results from the GRU are added to obtain the prediction result. Experiments based on climate data from an agricultural Internet of Things (IoT) system verify the development of the proposed model. The prediction results show that the proposed predictor can obtain more accurate predictions of temperature, wind speed, and humidity data to meet the needs of precision agricultural production.
Journal Article
The effect of yoga on sleep quality and insomnia in women with sleep problems: a systematic review and meta-analysis
by
Wang, Wei-Li
,
Pan, Ying-Chieh
,
Yang, Szu-Nian
in
Analysis
,
Complementary and alternative medicine
,
Insomnia
2020
Background
To examine the effectiveness and safety of yoga of women with sleep problems by performing a systematic review and meta-analysis.
Methods
Medline/PubMed, ClinicalKey, ScienceDirect, Embase, PsycINFO, and the Cochrane Library were searched throughout the month of June, 2019. Randomized controlled trials comparing yoga groups with control groups in women with sleep problems were included. Two reviewers independently evaluated risk of bias by using the risk of bias tool suggested by the Cochrane Collaboration for programming and conducting systematic reviews and meta-analyses. The main outcome measure was sleep quality or the severity of insomnia, which was measured using subjective instruments, such as the Pittsburgh Sleep Quality Index (PSQI), Insomnia Severity Index (ISI), or objective instruments such as polysomnography, actigraphy, and safety of the intervention. For each outcome, a standardized mean difference (SMD) and confidence intervals (CIs) of 95% were determined.
Results
Nineteen studies in this systematic review included 1832 participants. The meta-analysis of the combined data conducted according to Comprehensive Meta-Analysis showed a significant improvement in sleep (SMD = − 0.327, 95% CI = − 0.506 to − 0.148,
P
< 0.001). Meta-analyses revealed positive effects of yoga using PSQI scores in 16 randomized control trials (RCTs), compared with the control group in improving sleep quality among women using PSQI (SMD = − 0.54; 95% CI = − 0.89 to − 0.19;
P
= 0.003). However, three RCTs revealed no effects of yoga compared to the control group in reducing insomnia among women using ISI (SMD = − 0.13; 95% CI = − 0.74 to 0.48;
P
= 0.69). Seven RCTs revealed no evidence for effects of yoga compared with the control group in improving sleep quality for women with breast cancer using PSQI (SMD = − 0.15; 95% CI = − 0.31 to 0.01;
P
= 0.5). Four RCTs revealed no evidence for the effects of yoga compared with the control group in improving the sleep quality for peri/postmenopausal women using PSQI (SMD = − 0.31; 95% CI = − 0.95 to 0.33;
P
= 0.34). Yoga was not associated with any serious adverse events.
Discussion
This systematic review and meta-analysis demonstrated that yoga intervention in women can be beneficial when compared to non-active control conditions in term of managing sleep problems. The moderator analyses suggest that participants in the non-breast cancer subgroup and participants in the non-peri/postmenopausal subgroup were associated with greater benefits, with a direct correlation of total class time with quality of sleep among other related benefits.
Journal Article
Analysis of Antidepressant Activity of Huang-Lian Jie-Du Decoction Through Network Pharmacology and Metabolomics
by
Guo, Rui
,
Heng, Xia
,
Yang, Nian-Yun
in
1-Phosphatidylinositol 3-kinase
,
AKT protein
,
Alzheimer's disease
2021
Depressive disorder is a common mental disorder characterized by depressed mood and loss of interest or pleasure. As the Herbal medicines are mainly used as complementary and alternative therapy for depression. This study aimed at exploring antidepressant activity of Huang-lian Jie-du Decoction (HLJDD), and evaluating active components and potential depression-associated targets. HLJDD was administered on chronic unpredictable mild stress-induced (CUMS) depressive mice. Behavior evaluation was performed through force swimming test (FST), novelty-suppressed feeding test (NSF), and open field test (OFT). Active components of HLJDD, potential targets, and metabolic pathways involved in depression were explored through systemic biology-based network pharmacology assay, molecular docking and metabonomics. FST assay showed that CUMS mice administered with HLJDD had significantly shorter immobility time compared with control mice. Further, HLJDD alleviated feeding latency of CUMS mice in NSFand increased moving distance and duration in OFT. In the following network pharmacology assay, thirty-eight active compounds in HLJDD were identified based on drug-like characteristics, and pharmacokinetics and pharmacodynamics profiles. Moreover, forty-eight molecular targets and ten biochemical pathways were uncovered through molecular docking and metabonomics. GRIN2B, DRD, PRKCA, HTR, MAOA, SLC6A4, GRIN2A, and CACNA1A are implicated in inhibition of depressive symptoms through modulating tryptophan metabolism, serotonergic and dopaminergic synaptic activities, cAMP signaling pathway, and calcium signaling pathway. Further network pharmacology-based analysis showed a correlation between HLJDD and tryptophan metabolism. A total of thirty-seven active compounds, seventy-six targets, and sixteen biochemical pathways were involved in tryptophan metabolism. These findings show that HLJDD acts on potential targets such as SLC6A4, HTR, INS, MAO, CAT, and FoxO, PI3K/Akt, calcium, HIF-1, and mTOR signaling pathways, and modulates serotoninergic and dopaminergic synaptic functions. In addition, metabonomics showed that tryptophan metabolism is the primary target for HLJDD in CUMS mice. The findings of the study show that HLJDD exhibited antidepressant effects. SLC6A4 and MAOA in tryptophan metabolism were modulated by berberine, baicalein, tetrahydroberberine, candicine and may be the main antidepressant targets for HLJDD.
Journal Article
Lecanicilliums A–F, Thiodiketopiperazine-Class Alkaloids from a Mangrove Sediment-Derived Fungus Lecanicillium kalimantanense
2023
Six new thiodiketopiperazine-class alkaloids lecanicilliums A–F were isolated from the mangrove sediment-derived fungus Lecanicillium kalimantanense SCSIO41702, together with thirteen known analogues. Their structures were determined by spectroscopic analysis. The absolute configurations were determined by quantum chemical calculations. Electronic circular dichroism (ECD) spectra and the structure of Lecanicillium C were further confirmed by a single-crystal X-ray diffraction analysis. Lecanicillium A contained an unprecedented 6/5/6/5/7/6 cyclic system with a spirocyclic center at C-2′. Biologically, lecanicillium E, emethacin B, and versicolor A displayed significant cytotoxicity against human lung adenocarcinoma cell line H1975, with IC50 values of 7.2~16.9 μM, and lecanicillium E also showed antibacterial activity against four pathogens with MIC values of 10~40 μg/mL. Their structure–activity relationship is also discussed.
Journal Article
Ultra-Low Frequency Transcutaneous Electrical Nerve Stimulation on Pain Modulation in a Rat Model with Myogenous Temporomandibular Dysfunction
by
Yang, Nian-Pu
,
Hsieh, Yueh-Ling
,
Yang, Chen-Chia
in
Pain
,
Quantitative analysis
,
Transcutaneous electrical nerve stimulation-TENS
2021
Masticatory myofascial pain (MMP) is one of the most common causes of chronic orofacial pain in patients with temporomandibular disorders. To explore the antinociceptive effects of ultra-low frequency transcutaneous electrical nerve stimulation (ULF-TENS) on alterations of pain-related biochemicals, electrophysiology and jaw-opening movement in an animal model with MMP, a total of 40 rats were randomly and equally assigned to four groups; i.e., animals with MMP receiving either ULF-TENS or sham treatment, as well as those with sham-MMP receiving either ULF-TENS or sham treatment. MMP was induced by electrically stimulated repetitive tetanic contraction of masticatory muscle for 14 days. ULF-TENS was then performed at myofascial trigger points of masticatory muscles for seven days. Measurable outcomes included maximum jaw-opening distance, prevalence of endplate noise (EPN), and immunohistochemistry for substance P (SP) and μ-opiate receptors (MOR) in parabrachial nucleus and c-Fos in rostral ventromedial medulla. There were significant improvements in maximum jaw-opening distance and EPN prevalence after ULF-TENS in animals with MMP. ULF-TENS also significantly reduced SP overexpression, increased MOR expression in parabrachial nucleus, and increased c-Fos expression in rostral ventromedial medulla. ULF-TENS may represent a novel and applicable therapeutic approach for improvement of orofacial pain induced by MMP.
Journal Article
Comparisons of Quality, Correctness, and Similarity Between ChatGPT-Generated and Human-Written Abstracts for Basic Research: Cross-Sectional Study
2023
ChatGPT may act as a research assistant to help organize the direction of thinking and summarize research findings. However, few studies have examined the quality, similarity (abstracts being similar to the original one), and accuracy of the abstracts generated by ChatGPT when researchers provide full-text basic research papers.
We aimed to assess the applicability of an artificial intelligence (AI) model in generating abstracts for basic preclinical research.
We selected 30 basic research papers from Nature, Genome Biology, and Biological Psychiatry. Excluding abstracts, we inputted the full text into ChatPDF, an application of a language model based on ChatGPT, and we prompted it to generate abstracts with the same style as used in the original papers. A total of 8 experts were invited to evaluate the quality of these abstracts (based on a Likert scale of 0-10) and identify which abstracts were generated by ChatPDF, using a blind approach. These abstracts were also evaluated for their similarity to the original abstracts and the accuracy of the AI content.
The quality of ChatGPT-generated abstracts was lower than that of the actual abstracts (10-point Likert scale: mean 4.72, SD 2.09 vs mean 8.09, SD 1.03; P<.001). The difference in quality was significant in the unstructured format (mean difference -4.33; 95% CI -4.79 to -3.86; P<.001) but minimal in the 4-subheading structured format (mean difference -2.33; 95% CI -2.79 to -1.86). Among the 30 ChatGPT-generated abstracts, 3 showed wrong conclusions, and 10 were identified as AI content. The mean percentage of similarity between the original and the generated abstracts was not high (2.10%-4.40%). The blinded reviewers achieved a 93% (224/240) accuracy rate in guessing which abstracts were written using ChatGPT.
Using ChatGPT to generate a scientific abstract may not lead to issues of similarity when using real full texts written by humans. However, the quality of the ChatGPT-generated abstracts was suboptimal, and their accuracy was not 100%.
Journal Article
Juvenile Hormone and Ecdysteroids Facilitate the Adult Reproduction Through the Methoprene-Tolerant Gene and Ecdysone Receptor Gene in the Female Spodoptera frugiperda
2025
Insects, as the most diverse and numerous group in the animal kingdom, are at least partly dependent on the reproduction process, which is strictly regulated by the ‘classic’ insect hormones: juvenile hormone (JH), and 20-hydroxyecdysone (20E). However, the regulatory mechanism governing the reproduction of JH and 20E in Spodoptera frugiperda remains unclear. In this study, ovarian development and ovulation in female S. frugiperda were assessed through dissection of the ovaries following treatment with JH analog (JHA) and 20E. Moreover, the expression patterns of the JH-signal and 20E-signal-related genes were determined by quantitative PCR (qPCR), and RNA interference (RNAi) was used to investigate the role of JH and 20E-induced genes. Ovarian development was observed by microdissection, and JH and 20E titers were determined by ELISA. Kr-h1, Vg, and USP expression were determined by qPCR. Dissection and qPCR results showed that JHA and 20E promoted ovarian development, egg maturation, and egg laying by upregulating Methoprene-Tolerant (Met) and Ecdysone Receptor (EcR)expression. Additionally, the RNAi results showed that the injection of dsMet and dsEcR markedly delayed ovarian development, inhibited egg maturation, and halted egg production. Knockdown of Met and EcR significantly reduced JH and 20E content and inhibited the transcription of Kr-h1 and USP. These results indicate that JH and 20E facilitate adult reproduction through the methoprene-tolerant gene and ecdysone receptor gene in female S. frugiperda.
Journal Article
The association between disclosure and antiretroviral therapy among adults living with HIV in China: a systematic review and meta-analysis
2025
Background
Antiretroviral therapy (ART) and ART adherence are crucial for preventing HIV transmission and prolonging the lifespan of people living with HIV (PLWH). Serostatus disclosure is a significant factor influencing both ART initiation and ART adherence. However, studies evaluating the impact of disclosure on ART initiation and ART adherence in mainland China have yielded inconsistent findings. This systematic review and meta-analysis aim to examine the associations between disclosure and both ART initiation and adherence.
Methods
We systematically reviewed English databases (MEDLINE, Embase, Web of Science and the Cochrane Library) and Chinese databases (CNKI, WanFang, CQVIP, and SinoMed) to identify literature on factors that influence ART initiation and ART adherence from inception to Sep 24, 2024. Microsoft Excel 2019 sheet was used for data extraction. The data extraction sheet included information on the author’s names, publication year of the study, study design, study population, sample size, definition of adherence to ART, and study quality score. The Joanna Briggs Institute (JBI) critical appraisal checklist for prevalence studies was employed to assess the quality of the selected articles. Data were analyzed using STATA 17.0, and a random effects model was utilized to calculate pooled odds ratios (ORs) and 95% confidence intervals (CIs). Sensitivity analyses were conducted through the sequential exclusion of studies. Publication bias was assessed using Begg’s test and Egger’s test.
Results
Our search yielded 517 results, of which 21 were eligible and included in the final meta-analysis. The analysis found that PLWH who disclosed their HIV serostatus were 2.59 times more likely to initiate ART compared to those who did not disclose (OR = 2.59, 95%CI: 1.92–3.49). However, we found no statistically significant association between HIV serostatus disclosure and ART adherence (OR = 1.21, 95%CI: 0.89–1.65). Additionally, no significant associations were identified between HIV serostatus disclosure and ART adherence in any subgroup analyses based on the subjects of disclosure, participants, or adjusted effect estimates for confounding factors.
Conclusions
We found evidence that serostatus disclosure is likely to positively associated with ART initiation, but not with ART adherence. Encouraging serostatus disclosure among PLWH, while simultaneously increasing public awareness about HIV and fostering a supportive environment for disclosure, may enhance ART adherence.
Journal Article
Methylcobalamin in Combination with Early Intervention of Low-Intensity Pulsed Ultrasound Potentiates Nerve Regeneration and Functional Recovery in a Rat Brachial Plexus Injury Model
by
Lu, Yu-Lin
,
Yang, Chen-Chia
,
Yang, Nian-Pu
in
Brachial plexus
,
Brain-derived neurotrophic factor
,
Cold
2023
This study evaluated and compared the functional recovery and histopathological outcomes of treatment involving low-intensity pulsed ultrasound (LIPUS) and methylcobalamin (B12) on brachial plexus injury (BPI) in an experimental rat model. Three days after BPI, the rats were assigned to receive either LIPUS or methylcobalamin alone or in combination consecutively for 12 days. Serial changes in sensory and motor behavioral responses, as well as morphological and immunohistochemical changes for substance P (SP), ionized calcium-binding adapter molecule 1 (iba1), brain-derived neurotrophic factor (BDNF), and S100 were examined 28 days after BPI as the outcome measurements. Early intervention of LIPUS and methylcobalamin, whether alone or in combination, augmented the sensory and motor behavioral recovery as well as modulated SP and iba1 expression in spinal dorsal horns, BDNF, and S100 in the injured nerve. Moreover, the combined therapy with its synergistic effect gave the most beneficial effect in accelerating functional recovery. In view of the effective initiation of early recovery of sensory and motor functions, treatment with LIPUS and methylcobalamin in combination has a potential role in the clinical management of early-phase BPI.
Journal Article
HIV incidence and recreational drug use among men who have sex with men aged 18–24 years in Tianjin, China: a retrospective cohort study
by
Tang, Hou-Lin
,
Zhao, He-He
,
Guo, Yan
in
Acquired immune deficiency syndrome
,
AIDS
,
Cohort analysis
2024
Background
Recreational drug use has been identified as a significant risk factor for the transmission of human immunodeficiency virus (HIV). This behavior is particularly prevalent among young men who have sex with men (YMSM). However, limited research has been conducted to investigate the correlation between recreational drug use and HIV incidence within this population.
Objective
To examine HIV incidence and explore the association between recreational drug use and HIV incidence among YMSM.
Methods
A retrospective cohort study was conducted by a local non-governmental organization (NGO) among MSM aged 18–24 years from October 2017 to December 2023 in Tianjin, China. Participants were included if they had at least two HIV test records during this period. HIV incidence density and its 95% confidence interval (CI) were calculated using person-years (PYs) with a Poisson distribution. Risk factors for HIV incidence were identified using univariable and multivariable Cox proportional hazards regression models.
Results
A total of 56 HIV seroconversions were reported with 2901.9 PYs, resulting in an overall incidence density of 1.9/100 PYs (95% CI: 1.4–2.4). Among YMSM who do not use recreational drugs (YMSM-URD), the incidence density was 1.1/100 PYs (95% CI: 0.5–1.6), while it was 2.8/100 PYs (95% CI: 1.9–3.7) among those who do use recreational drugs (YMSM-RD). Adjusted for confounders, factors associated with HIV infection included recreational drug use (adjusted hazard ratio = 2.6, 95% CI = 1.4–4.7) and unprotected anal intercourse in the past six months (adjusted hazard ratio = 2.3, 95% CI = 1.2–4.4).
Conclusions
Recreational drug use and unprotected anal intercourse significantly increase the risk of HIV infection. To effectively mitigate the spread of HIV, interventions should focus on these risk factors by employing HIV counseling and testing clinics, collaborating with NGOs focused on MSM, and establishing peer education programs aimed at YMSM.
Journal Article