Xiang Mike Gao

• Southeast University

Background Diabetes mellitus (DM) and periodontitis have a bidirectional relationship, with each being a high-risk factor for the other. Prolonged hyperglycemia exacerbates periodontal inflammation and disrupts bone homeostasis. Pyruvate kinase M2 (PKM2), a key enzyme in glycolysis, is involved in metabolic reprogramming, but its role in osteogenes...

Background The gut microbiome and diet are important factors in the pathogenesis and management of Crohn’s disease (CD). However, the role of the gut phageome under dietary influences is unknown. Objective We aim to explore the effect of diet on the gut phageome-bacteriome interaction linking to CD protection. Design We recruited CD patients and...

Glioblastoma represents a highly aggressive form of malignant tumor within the central nervous system. Although chemotherapy remains the primary therapeutic strategy, its efficacy is often limited. To overcome the limitations associated with chemotherapeutic agents, such as high toxicity and non‐specific adverse effects, a novel nanoparticle system...

BACKGROUND Endoscopic healing (EH) is a key therapeutic target in Crohn’s disease (CD). Proximal small bowel (SB) lesions in patients with CD are associated with a significant risk of strictures and bowel resection. Assessing SB in patients with CD is necessary because of its significant therapeutic implications. The advent of biologic therapies, i...

Background Vedolizumab (VDZ), a humanized monoclonal antibody that selectively inhibits the binding of the α4β7 integrin, has been approved for treating inflammatory bowel disease (IBD). Long-term safety studies of VDZ in clinical trials identified Clostridium difficile infection (CDI) as the major opportunistic infection. Objectives We aimed to a...

Background Obinutuzumab, a new-generation anti-CD20 monoclonal antibody, was originally emerged to overcome resistance to rituximab in B-cell malignancies. There is limited research regarding the use of Obinutuzumab in patients with rituximab-refractory membranous nephropathy (MN) and minimal change disease (MCD). Methods A retrospective analysis...

Background To assess the therapeutic effects of mesenchymal stem cell (MSC)-derived exosome therapy on periodontal regeneration and identify treatment factors associated with enhanced periodontal regeneration in recent preclinical studies. Methods Searches were conducted in PubMed, Cochrane Library, EMBASE, and Web of Science databases until Octob...

Ovarian cancer is a type of malignant tumor with a high incidence rate, poor prognosis, and a tendency to relapse. There is a lack of effective therapeutic drugs in the treatment process of ovarian cancer. Alpha-mangostin, an oxyanthenone-type compound, has anti-tumor biological activities. Compared with traditional chemotherapeutic drugs, the adva...

Objectives We aimed to evaluate the effectiveness and safety of clinical decision support tool (CDST)‐guided initial selective intensive induction therapy (IIT) for patients with Crohn's disease (CD) who were treated with ustekinumab (UST) and to identify those most likely to benefit from IIT. Methods Patients with active CD were included in this...

Lipid metabolism disorder is a critical feature of Crohn’s disease (CD). Phosphatidylinositol (PI) and its derivative, phosphatidylinositol bisphosphate (PIP2), are associated with CD. The mechanisms underlying such association remain unknown. In this study, we explored the role played by the major PI derivative, phosphatidylinositol 4,5-bisphospha...

Background Crohn’s disease (CD) is an immune-mediated disorder characterized by immune cell infiltration that induces persistent chronic inflammation of the gastrointestinal tract. Programmed cell death (PCD) plays a critical role in the pathogenesis of CD. This study identified vital PCD-related genes in CD based on immune infiltration using bioin...

Despite treatment with immunosuppressive or clone-targeted chemotherapy, patients with proliferative glomerulonephritis with monoclonal immunoglobulin deposit (PGNMID) frequently progress into end-stage kidney failure, and early recurrence of PGNMID after kidney transplantation is common. The standard management of PGNMID has been unclear, currentl...

Despite the importance of chemotherapy as a treatment option for glioma, its efficacy is often compromised by the formidable blood‐brain barrier (BBB) and drug resistance. To address these challenges, a novel cascade nanodrug system called A12‐PTX@RF‐NPs is designed with aims to penetrate the BBB and precisely target glioma. In this nanosystem, the...

Temozolomide (TMZ) serves as the principal chemotherapeutic agent for glioma; nonetheless, its therapeutic efficacy is compromised by the rapid emergence of drug resistance, the inadequate targeting of glioma cells, and significant systemic toxicity. ARV‐825 may play a role in modulating drug resistance by degrading the BRD4 protein, thereby exerti...

Background No head-to-head trial directly compares the effectiveness of vedolizumab (VDZ) and infliximab (IFX) in patients with ulcerative colitis (UC) who were naïve to biologic therapy. Objectives We aimed to compare the clinical and endoscopic effectiveness of VDZ and IFX in biologic-naïve patients with UC in real-world settings. Design It was...

Group 3 innate lymphoid cells (ILC3s) are essential for both pathogen defense and tissue homeostasis in the intestine. Dysfunction of ILC3s could lead to increased susceptibility to intestinal inflammation. However, the precise mechanisms governing the maintenance of intestinal ILC3s are yet to be fully elucidated. Here, we demonstrated that ferrop...

Background: Several studies have reported the relationship between α2C-adrenergic receptor (ADRA2C) and both neoplastic and non-neoplastic diseases. However, a comprehensive pan-cancer analysis is currently lacking. Methods: Utilizing the RNA sequencing (RNA-seq) datasets from The Cancer Genome Atlas (TCGA) database, the roles of ADRA2C in human pa...

Objectives Familial Crohn's disease (CD) accounts for approximately 1.5%–22.5% of all CD cases worldwide. We aimed to assess the concordance in disease subtype and phenotypic features among patients with CD and their relatives based on data from a large, well‐characterized, referral center‐based cohort in China. Methods A retrospective study was c...

Cancer remains a significant risk to human health. Nanomedicine is a new multidisciplinary field that is garnering a lot of interest and investigation. Nanomedicine shows great potential for cancer diagnosis and treatment. Specifically engineered nanoparticles can be employed as contrast agents in cancer diagnostics to enable high sensitivity and h...

Background Achieving long-term clinical remission in Crohn’s disease (CD) with antitumor necrosis factor α (anti-TNF-α) agents remains challenging. Aims This study aims to establish a prediction model based on patients’ clinical characteristics using a machine-learning approach to predict the long-term efficacy of infliximab (IFX). Methods Three...

Background Variations exist in the response of patients with Crohn’s disease (CD) to ustekinumab (UST) treatment, but the underlying cause remains unknown. Our objective was to investigate the involvement of immune cells and identify potential biomarkers that could predict the response to interleukin (IL) 12/23 inhibitors in patients with CD. Meth...

Immunosuppression tumor microenvironment (TME) seriously impedes anti-tumor immune response, resulting in poor immunotherapy effect of cancer. This study develops a folate-modified delivery system to transport the plasmids encoding immune stimulatory chemokine CKb11 and PD-L1 inhibitors to tumor cells, resulting in high CKb11 secretion from tumor c...

Background/Aims: Data on the natural course of Chinese patients with ulcerative colitis (UC) was lacking. This study aimed to evaluate the natural history and prognosis of patients with UC in the past 15 years in China.Methods: This cohort study included patients with UC in a tertiary hospital in southern China from 2007 to 2021 (cohort I: 2007–201...

Microcystin-LR (MC-LR), the most prevalent and diverse cyanotoxin produced by harmful cyanobacterial blooms, has been linked to gastrointestinal toxicity. Therefore, we conducted a case-control study across four regions in China to investigate this relationship. Inflammatory bowel disease (IBD) cases (219) were matched with healthy controls (438) b...

Intracerebral hemorrhage (ICH) represents one of the most severe subtypes of stroke. Due to the complexity of the brain injury mechanisms following ICH, there are currently no effective treatments to significantly improve patient functional outcomes. Curcumin, as a potential therapeutic agent for ICH, is limited by its poor water solubility and ora...

BACKGROUND Thiopurine-induced leucopenia significantly hinders the wide application of thiopurines. Dose optimization guided by nudix hydrolase 15 (NUDT15) has significantly reduced the early leucopenia rate, but there are no definitive biomarkers for late risk leucopenia prediction. AIM To determine the predictive value of early monitoring of DNA...

Background Variations existed in responses to ustekinumab (UST) treatment in patients with Crohn's disease (CD), but the underlying cause remains unknown. Our objective was to investigate the involvement of immune cells and identify potential biomarkers that can predict the response to IL 12/23 inhibitors in patients with CD. Methods GSE207022 dat...

Anti-glomerular basement membrane (GBM) disease is a rare autoimmune condition characterized by the presence of positive anti-GBM autoantibodies, linear deposition of immunoglobulin G (IgG) along the GBM and severe kidney injury. In a limited number of cases, the association of anti-GBM disease with other glomerulonephritis has been reported. Herei...

The association between craniocervical posture and craniofacial structures in the various sagittal skeletal malocclusion during different growth stages has been the focus of intense interest in fields of orthodontics, but it has not been conclusively demonstrated. Thus, this study aimed to investigate the association between craniofacial morphology...

Doxorubicin (DOX) is widely used as a chemotherapeutic agent for both hematologic and solid tumors and is a reasonable candidate for glioma treatment. However, its effectiveness is hindered by significant toxicity and drug resistance. Moreover, the presence of the blood–brain barrier (BBB) brings a crucial challenge to glioma therapy. In response,...

Orthodontically induced external root resorption (OIERR) is a common complication of orthodontic treatments. Accurate OIERR grading is crucial for clinical intervention. This study aimed to evaluate six deep convolutional neural networks (CNNs) for performing OIERR grading on tooth slices to construct an automatic grading system for OIERR. A total...

Nanodrug delivery systems (NDDSs) for the treatment of periodontitis remain a significant clinical challenge. The low biocompatibility, singular effect, and lack of disease specificity of conventional nanoparticles limit their biomedical application. Recent studies have highlighted the pivotal role of cell membrane‐coated nanotechnology in anti‐inf...

Background Small bowel involvement is related to poor prognosis in Crohn’s disease (CD), which may be a potential marker to stratify patients with a high risk of progression. This study aimed to establish a novel location classification system for CD and to develop a predictive model for disease progression. Methods Consecutive patients with non-s...

Background Exclusive enteral nutrition (EEN) therapy effectively induces remission in pediatric Crohn’s disease (CD). However, this may depend on the type of enteral formula used. Moreover, data on the efficacy of amino acid-based EEN are limited. Thus, we aimed to prospectively evaluate the efficacy of amino acid-based formulas for EEN in pediatri...

Background and aims: The efficacy and underlying mechanisms of exclusive enteral nutrition (EEN) in adult patients with Crohn's disease (CD) remain controversial. This study aimed to evaluate the role of EEN in adult patients with CD and to explore the mechanisms from the perspective of immunoregulation. Methods: This is a prospective, open-labe...

Drug resistance has become an obstacle to successful cancer chemotherapies, with therapeutic agents effectively traversing the blood-brain barrier (BBB) remaining a great challenge. A microenvironment responsiveness and active targeting nanoparticle...

Background Ustekinumab and vedolizumab are both effective for treating Crohn’s disease (CD). However, no head-to-head trials have been conducted thus far. We aimed to compare the effectiveness of ustekinumab and vedolizumab in CD patients either naïve or exposed to tumor necrosis factor-alpha inhibitors (TNFi). Methods Patients treated with vedoli...

There is a reciprocal comorbid relationship between periodontitis and type 2 diabetes mellitus (T2DM). Recent studies have suggested that mitochondrial dysfunction (MD) might be the key driver underlying this comorbidity. Through bioinformatics approaches and experimental validation, this study aimed to elucidate the interactions between MD and thi...

Background: Intestinal ultrasound (IUS) is becoming a standard assessment tool in Crohn's disease (CD), but limited data exist on its ability to predict long-term objective outcomes. Therefore, we aimed to investigate the predictive value of IUS findings for long-term transmural healing (TH) and mucosal healing (MH) in CD. Methods: We prospectiv...

Despite the tremendous progress in cancer treatment in recent decades, cancers often become resistant due to multiple mechanisms, such as intrinsic or acquired multidrug resistance, which leads to unsatisfactory treatment effects or accompanying metastasis and recurrence, ultimately to treatment failure. With a deeper understanding of the molecular...

Background and Aims Durable clinical remission, endoscopic healing, and biomarker normalization are key treatment goals for Crohn’s disease. The selective anti-interleukin-23 p19 inhibitor risankizumab has demonstrated efficacy and safety in moderately to severely active Crohn’s disease. This post-hoc analysis of data from the pivotal risankizumab...

Background: Drug resistance has become an obstacle to successful cancer chemotherapies, with therapeutic agents effectively traversing the blood-brain barrier (BBB) remaining a great challenge. Results: A microenvironmentresponsiveness and active targeting nanomicelle was constructed to enhance the penetration of drugs, leading to improved therapeu...

Background and Aim The anti‐interleukin‐23 antibody risankizumab is being investigated as a treatment for moderate‐to‐severe Crohn's disease. This post hoc subanalysis evaluates the efficacy and safety of risankizumab therapy in Asian patients. Methods ADVANCE (NCT03105128) and MOTIVATE (NCT03104413) were randomized, double‐blind, placebo‐controll...

Intestinal epithelial cell (IEC) regulation of barrier function and mucosal homeostasis enables the establishment of a harmonious gut microenvironment. However, host-derived regulatory networks that modulate intestinal antimicrobial defenses have not been fully defined. Herein we generated mice with IEC-specific deletion of Gpr65 (Gpr65ΔIEC) and in...

Microbial signatures show remarkable potentials in predicting colorectal cancer (CRC). This study aimed to evaluate the diagnostic powers of multimodal microbial signatures, multi-kingdom species, genes, and single-nucleotide variants (SNVs) for detecting precancerous adenomas. We performed cross-cohort analyses on whole metagenome sequencing data...

Immune evasion has made ovarian cancer notorious for its refractory features, making the development of immunotherapy highly appealing to ovarian cancer treatment. The immune-stimulating cytokine IL-12 exhibits excellent antitumor activities. However, IL-12 can induce IFN-γ release and subsequently upregulate PDL-1 expression on tumor cells. Theref...

Psychological stress is a putative incentive to intestinal mucosal inflammation. Schneider et al. unraveled a dynamic network during intestinal inflammation under psychological stress.1.

Background: Mirikizumab, a p19-directed antibody against interleukin-23, showed efficacy in the treatment of ulcerative colitis in a phase 2 trial. Methods: We conducted two phase 3, randomized, double-blind, placebo-controlled trials of mirikizumab in adults with moderately to severely active ulcerative colitis. In the induction trial, patients...

Background: Thalidomide is an effective treatment for refractory Crohn's disease (CD). However, thalidomide-induced peripheral neuropathy (TiPN), which has a large individual variation, is a major cause of treatment failure. TiPN is rarely predictable and recognized, especially in CD. It is necessary to develop a risk model to predict TiPN occurre...

Introduction Thiopurines, azathiopurine (AZA) and mercaptopurine (6-MP) have been regularly used in the treatment of inflammatory bowel disease (IBD). Despite optimized dosage adjustment based on the NUDT15 genotypes, some patients still discontinue or change treatment regimens due to thiopurine-induced leukopenia. Methods We proposed a prospectiv...

Introduction This post-hoc analysis from Phase 3 Rizankizumab (RZB) studies in Crohn’s disease (CD) examined the durability of SC RZB maintenance therapy for endoscopic outcomes in patients achieving these endpoints at the end of induction. Methods Patients achieving clinical response with 12-wks IV RZB induction therapy entered the maintenance st...

Dysbiosis of gut microbial community is associated with the pathogenesis of CD and may serve as a promising noninvasive diagnostic tool. We aimed to compare the performances of the microbial markers of different biological levels by conducting a multidimensional analysis on the microbial metagenomes of CD. We collected fecal metagenomic datasets ge...

Objective: The purpose of this meta-analysis was to look at the differences in oxidative stress (OS) biomarkers between type 2 diabetes mellitus with chronic periodontitis (DMCP) and chronic periodontitis (CP) patients. Background: Oxidative stress has been shown to be a key pathogenic component in DMCP. However, it is unclear whether oxidative...

Introduction: The expansion effects of several new microimplant-assisted rapid palatal expanders (MARPEs) manufactured by 3-dimensional printing technology were evaluated by finite element analysis (FEA). The aim was to identify a novel MARPE suitable for treating maxillary transverse deficiency. Methods: The finite element model was established...

Background: Crohn’s disease (CD), a chronic gastrointestinal inflammatory disease, is increasing in China. With a focus on Han Chinese families with CD, the aim of this study was to find genetic variations that increase CD susceptibility by genome sequencing, genetic association, expression, and functional research. Materials and methods: We perfor...

Inflammatory bowel diseases (IBDs) are chronic disorders of the gastrointestinal tract with the following two subtypes: Crohn's disease (CD) and ulcerative colitis (UC). To date, most IBD genetic associations were derived from individuals of European (EUR) ancestries. Here we report the largest IBD study of individuals of East Asian (EAS) ancestrie...

Dysregulated host-microbial interactions play critical roles in initiation and perpetuation of gut inflammation in Crohn's disease (CD). However, the spatial distribution and interaction network across the intestine and its accessory tissues are still elusive. Here, we profile the host proteins and tissue microbes in 540 samples from the intestinal...

Background: Current modalities for diagnosing carotid cavernous fistula (CCF) are inaccurate in analysing retinal microcirculations and nerve fibre changes. Retinal microvascular and neural alterations occur in CCF patients and can be quantitatively measured using optical coherence tomography angiography (OCTA). We measured the neurovascular chang...

Recent technological advances have re-invigorated the interest in nuclear translation (NT), but the underlying mechanisms and functional implications of NT remain unknown. Here we show that NT is enhanced in malignant cancer cells and is associated with rapid cell growth. Nuclear ribopuromycylation analyses in a panel of diverse cell lines revealed...

Abstract Background This study aimed to evaluate the association between preoperative hs-cTnI and long-term mortality and major adverse cardiovascular events (MACE) in colorectal cancer patients. Methods This single-center retrospective cohort study included 1105 consecutive colorectal cancer patients who received tumor resection surgery between Ja...

Background Dysbiosis of gut microbial community is associated with the pathogenesis of CD and may serve as a promising non-invasive diagnostic tool. We aimed to compare the performances of the microbial markers of different biological levels by conducting a multidimensional analysis on the microbial metagenomes of CD. Methods We collected fecal me...

Microbial signatures show remarkable potentials in predicting colorectal cancer (CRC). This study aimed to evaluate the diagnostic powers of multimodal microbial signatures, multi-kingdom species, genes, and single-nucleotide variants (SNVs) for detecting pre-cancerous adenomas. We performed cross-cohort analyses on whole metagenome sequencing data...

Neutrophils synergize with intestinal resident intraepithelial lymphocytes (IELs) to serve as the first-line defense and maintain intestinal homeostasis. However, the underlying mechanisms whereby neutrophils regulate IELs to inhibit intestinal inflammation are still not completely understood. Here, we found that depletion of neutrophils (especiall...

Purpose Long-term Efficacy of Endoscopic Balloon Dilatation in Patients with Small bowel Strictures Secondary to Crohn’s Disease were poorly understood. Methods We retrospectively collected and analyzed clinical data of CD patients with small intestinal strictures that underwent EBD treatment at three medical centers. Results A total of 65 patients...

Bromodomain-Containing Protein 4 (BRD4) is a member of the BET family of bromodomains, which participates in gene transcription process and is closely related to tumor progression. We observed the up-regulated expression of BRD4 in colorectal cancer (CRC) after doxorubicin (DOX) treatment, which might be a potential mechanism for DOX resistance. Th...

Abstract Knowledge of the changes in the immune microenvironment during pulmonary bacterial acute and chronic infections is limited. The dissection of immune system may provide a basis for effective therapeutic strategies against bacterial infection. Here, we describe a single immune cell atlas of mouse lungs after acute and chronic Pseudomonas aer...

BACKGROUND & AIMS We evaluated the efficacy of once daily (QD) upadacitinib 45 mg, an oral, reversible Janus kinase inhibitor, on early symptomatic improvement for ulcerative colitis (UC). Post hoc analyses were performed on pooled data from two replicate, phase 3, multicenter induction trials, U-ACHIEVE Induction and U-ACCOMPLISH, to determine the...