Publications by authors named "Hengheng Dai"

Purpose: Wuwei Kushen Changrong capsule (Composite Colon-soluble Capsule, CSCC) is a Chinese patent medicine developed to treat ulcerative colitis. Studies highlight CSCC potential efficacy for ulcerative colitis (UC) but unclear mechanism limits its widely treatment for patients. We aimed to investigate the anti-colitis efficacy of CSCC and explore the mechanism by which GPR43 inhibits the NLRP3/STAT3 signaling pathway, thereby mediating the protective effects of CSCC on the intestinal barrier.

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Background: Immune checkpoint inhibitor (ICI) combination therapies have shown promise in the first-line treatment of advanced biliary tract cancer (BTC). However, the best partner remains to be validated. Moreover, progress on biomarkers predicting the efficacy of ICI in BTC is slow.

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Introduction: A considerable number of risk models, which predict outcomes in mortality and readmission rates, have been developed for patients with acute heart failure (AHF) to help stratify patients by risk level, improve decision making, and save medical resources. However, some models exist in a clinically useful manner such as risk scores or online calculators, while others are not, providing only limited information that prevents clinicians and patients from using them. The reported performance of some models varied greatly when predicting at multiple time points and being validated in different cohorts, which causes model users uncertainty about the predictive accuracy of these models.

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Introduction: The effect of Yiqi Fumai lyophilized injection (YQFM) on acute heart failure (AHF) patients has been evaluated in a large sample, randomized, controlled trial (AUGUST-AHF RCT study). However, restrictive eligibility criteria from a randomized clinical trial may raise concerns about the generalizability of the results to under-represented groups or complex patients with multimorbidity. Therefore, we intend to conduct the AUGUST-AHF cohort study which aims to assess the effectiveness of YQFM in patients with AHF in a real-world setting and compare the results with AUGUST-AHF RCT study.

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Neoantigen vaccines have opened a new paradigm for cancer immunotherapy. Here, we constructed a neoantigen nanovaccine-HemoMap, with the ability to target lymph nodes and activate immune cells. We propose a HemoMap nanovaccine consisting of the mouse melanoma highly expressed antigenic peptide Tyrp1 and a magnesium nanoadjuvant-HemoM.

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Neoantigen-based tumor vaccines have been applied in patient-specific melanoma-derived immunogenic mutated epitopes (neoantigens), with potential antineoplastic and immunomodulating effects. Yet, their use is limited by different physicochemical properties and poor pharmacokinetics. Herein, we constructed a human serum albumin-based dual adjuvant neoantigen nanovaccine loaded with imiquimod and magnesium.

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A network meta-analysis (NMA) of the current recommended drugs for the treatment of acute heart failure (AHF), was performed to compare the relative efficacy. We used PubMed, EMBASE, Cochrane Clinical Trials Register, and Web of Science systems to search studies of randomized controlled trials (RCT) for the treatment of AHF recommended by the guidelines and expert consensus until 1 December 2020. The primary outcome was all-cause mortality within 30 days.

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Background: Lumbrokinase has been widely used for patients with acute ischemic stroke (AIS) in China; however, because rigorously designed studies are lacking, safety and efficacy of lumbrokinase in the treatment of acute ischemic stroke remains largely unknown. In this multicenter, randomized, and controlled trial, we aim to compare lumbrokinase plus aspirin versus aspirin alone in patients with acute ischemic stroke.

Methods: A total of 220 eligible participants will be randomized to either the intervention or control group with a 1:1 ratio.

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Zuogui Wan (ZGW) is a common prescription medication used in traditional Chinese medicine (TCM) to significantly improve the sperm quality and treat male infertility. This study evaluated the repair effect of ZGW and Levocarnitine (LEV) on GC1-spg cell injury induced by Glucosides of Tripterygium WilforDII Hook (GTW). The results showed that the ultrastructure and apoptosis rate of GC1- spg cells in LEV and ZGW group were considerably better than GTW.

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Researches were reported that respiratory diseases can lead to male infertility; however, it is unclear whether there is a relationship between pulmonary fibrosis (PF) and male infertility. This study examined the influence of PF on sperm quality and its mechanisms. The key signalling pathway of male infertility caused by PF was predicted based on bioinformatics research.

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Objective: To investigate the impact of asthma on erectile function in rats and the expressions of related proteins.

Methods: Male rats were injected intraperitoneally with ovalbumin solution to induce asthma followed by subcutaneous injection of apomorphine at 100 μg/kg into the neck, and then observed for reduced frequency or loss of penile erection. Based on the results of observation, a model of asthma-induced ED (AED) was made in 6 of the animals, and another 6 normal male rats were taken as controls.

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LEV improves the percentage of forward-motion spermatozoon and total sperm motility in patients with oligozoospermia or asthenospermia in clinical settings. However, the mechanism of action of levocarnitine (LEV) in the treatment of spermatogenic dysfunction was unclear. Based on in vitro and in vivo experiments, we used Glucosides of Tripterygium wilfordii Hook F (GTW) to construct a cell model (using spermatogenic GC-1 spg cells) and an animal model (using rats) of spermatogenic dysfunction.

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Ethnopharmacological Relevance: Huoxue Tongluo Qiwei Decoction is a classical herbal formula, which can improve the symptoms of erectile dysfunction (ED) patients and has a good therapeutic effect on patients with diabetic erectile dysfunction (DIED). The main function of Huoxue Tongluo Qiwei Decoction is to stimulate the blood circulation and dredge collaterals, remove blood stasis, and calm wind.

Rationale: To further explore the mechanism of Huoxue Tongluo Qiwei Decoction in the treatment of DIED, related animal experiments were designed.

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Background And Aim: Achyranthis Bidentatae Radix plus Semen Vaccariae are traditional Chinese medicines, which have been widely applied in the treatment of migraine and Erectile Dysfunction (ED) for many years. This study verified the effect of Achyranthis Bidentatae Radix plus Semen Vaccariae in improving migraine-induced ED and explored its potential mechanism.

Methods: Key targets and signaling pathways of Achyranthis Bidentatae Radix plus Semen Vaccariae in migraine-induced erectile dysfunction treatment were predicted by network pharmacology.

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Background: Over recent years, an increasing body of literature has focused on the relationship between erectile dysfunction (ED) and migraine. However, the specific mechanism is unclear.

Materials And Methods: We used a bioinformatic database to predict the targets and pathways associated with migraine and ED.

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Context: Blume (Amaranthaceae) (ABR) and semen vaccariae (SV) are used commonly in the clinical treatment of erectile dysfunction in males with diabetes mellitus (DMED) to strengthen the kidney and promote blood circulation, and often achieve good curative effects.

Objective: Explore mechanistic details of ABR + SV treatment against DMED.

Materials And Methods: Prediction of key targets by network pharmacology.

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Objective: To study the therapeutic effect of Huoxue Tongluo Decoction (HXTLD) on erectile dysfunction caused by ischemic stroke and identify the mechanisms involved.

Methods: Network pharmacology was used to predict the key active ingredients and targets of HXTLD. Surgical methods were used to create a rat model of ischemic stroke.

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Through network pharmacology research, we found that CYP19, CYP17, AR and SRD5A2 were potential targets for lycium chinense-cuscutae semen (LC-CS) treatment of oligoasthenozoospermia. Using in vitro and in vivo experiments, tripterygium glycosides were used to induce spermatogenic dysfunction models in GC-1spg cells and SD male rats, respectively, and LC-CS was used to intervene in a spermatogenic dysfunction model. In vitro, LC-CS could repair the ultrastructure of GC-1spg cells damaged by tripterygium glycosides (TG).

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BACKGROUND Studies have shown that diabetes mellitus (DM) has a negative impact on male reproductive function, which may lead to changes in the testis and epididymis and a decline in semen quality. MATERIAL AND METHODS We performed animal experiments with 6 diabetic db/db mice as the model group (group B) and 6 C57BL/6J mice as the control group (group A). After adaptive feeding for 7 days, the sperm quality of each group was measured.

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Context: The leech and centipede granules have good curative effects on many diabetic vascular diseases, including diabetes-induced erectile dysfunction (DIED).

Objective: To explore the effect of leech and centipede on erectile function in rats with diabetes-induced erectile dysfunction and its possible mechanism.

Materials And Methods: Thirty male Sprague-Dawley DIED rats were randomly divided into the model group (Group M), low-dose group (Group DD), high-dose group (Group DG) and tadalafil group (Group T) ( = 6); diabetic rats were induced by streptozotocin.

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Ethnopharmacological Relevance: Cuscuta chinensis Lam. and Lycium barbarum L. (SC-FL) is a commonly used kidney tonic Chinese medicine combination that is widely used in the clinical treatment of oligoasthenospermia.

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BACKGROUND We explored the effect of asthma on erectile dysfunction (ED) and the effects of the expression of related proteins. MATERIAL AND METHODS We used a bioinformatics database to predict the targets and pathways associated with asthma and ED. The rat model of asthma was caused by an ovalbumin solution.

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Ethnopharmacological Relevance: Leeches (pinyin name Shui Zhi; Latin scientific name Hirudo; Hirudinea; Hirudinidae) and centipedes (pinyin name Wu Gong; Latin scientific name Scolopendridae; Chilopoda; Scolopendridae) are traditional Chinese medicines, and they belong to the family entomology. A combination of leech and centipede is used as an effective medicine to promote blood circulation and remove blood stasis in traditional Chinese medicine, and "leech-centipede" medicine has been used in many prescriptions to treat diabetic vascular disease, including diabetic erectile dysfunction (DIED). However, its specific mechanism remains unclear and requires in-depth study.

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BACKGROUND The aim of this study was to explore the effect of obstructive sleep apnea hypopnea syndrome (OSAHS) on spermatogenesis and the effects of the expression of related proteins. MATERIAL AND METHODS Rats in Group A were normoxic (exposed to a normal level of oxygen). Rats in Group B were exposed to intermittent hypoxia.

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Background And Aim: Traditional Chinese medicine (TCM), as a complementary and alternative therapy, has played increasingly important roles in clinical treatment and disease prevention. Zuogui Yin (ZGY) is one of the well-known TCM prescriptions used for the treatment of male infertility. To fully reveal the potential mechanisms underlying the therapeutic effects of ZGY on male infertility, a network pharmacology approach was conducted at the molecular level.

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