Publications by authors named "Yongbo Kang"

Article Synopsis
  • Type 2 diabetes mellitus (T2DM) is a major health issue, with diabetic foot (DF) being a serious complication that can lead to amputation; the study explores the relationship between gut fungi (mycobiome) and these conditions.
  • Researchers analyzed fecal and blood samples from individuals with T2DM, T2DM-DF, and healthy controls, using DNA sequencing to identify fungal diversity and abundance differences among these groups.
  • Results showed significant changes in gut fungi, specifically higher Ascomycota and lower Basidiomycota in T2DM and T2DM-DF patients, along with notable differences in specific fungal species and enzyme expression linked to the severity of diabetes complications.
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Ulcerative colitis (UC) is increasingly common, and it is gradually become a kind of global epidemic. UC is a type of inflammatory bowel disease (IBD), and it is a lifetime recurrent disease. UC as a common disease has become a financial burden for many people and has the potential to develop into cancer if not prevented or treated.

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Hepatocellular carcinoma (HCC) is the third leading cause of cancer mortality worldwide. HCC almost exclusively develops in patients with chronic liver disease, driven by a vicious cycle of liver injury, inflammation and regeneration that typically spans decades. A variety of new agents are in development for the treatment of the disease.

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Background: Autoimmune hepatitis (AIH) is an immune-mediated liver disease of unknown etiology accompanied by intestinal dysbiosis and a damaged intestinal barrier. Berberine (BBR) is a traditional antibacterial medicine that has a variety of pharmacological properties. It has been reported that BBR alleviates AIH, but relevant mechanisms remain to be fully explored.

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Acute leukemia (AL), one of the hematological malignancies, shows high heterogeneity. Tremendous progresses are achieved in treating AL with novel targeted drugs and allogeneic hematopoietic stem cell transplantation, there are numerous issues including pathogenesis, early diagnosis, and therapeutic efficacy of AL to be solved. In recent years, an increasing number of studies regarding microbiome have shed more lights on the role of gut microbiota in promoting AL progression.

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Plenty of research on microbial-viral interactions has revealed that some commensal microorganisms in the gut, including bacteria, fungi, and viruses, can resist or promote viral infection, whereas other microorganisms are involved in pathogenicity. Therefore, the balance between commensal microorganisms and human organisms is a key factor for determining infection and disease progression, and commensal microorganisms have become a hot research area in the medical field. In this review, the compositional characteristics of gut microbiota (bacteria, fungi, and viruses) during HIV infection are reviewed and changes in gut microbiota among different HIV-infected populations are described.

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Scope: Obesity has been recognized as a worldwide public health crisis, this is accompanied by dysregulation of the intestinal microbiota and upregulation of liver steatosis and adipose inflammation. Synbiotic as a novel alternative therapy for obesity have recently gained much attention.

Methods: This study innovatively research the anti-obesity properties of a newly synbiotic composed of Lactobacillus acidophilus, Bifidobacterium infantis and konjac glucomannan oligosaccharides.

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Autoimmune hepatitis (AIH) is a serious chronic liver disease that may last for decades and eventually develop into cirrhosis and liver failure. In recent years, people have paid more attention to the microbiome-gut-liver axis, which provides guidance for all to explore the role of microbiome in the occurrence and development of liver diseases. In this review, the possible mechanism of intestinal microbes promoting the occurrence of AIH, mainly expounding the key ways such as bacterial ecological imbalance, intestinal leakage, and molecular simulation between microbes and autoantigens is summarized.

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Diabetic retinopathy (DR) is the most common and detrimental microvascular complication of diabetes mellitus. It has become one of the top causes of blindness and visual impairment in the working-age population. However, prevention and treatment options for DR are limited, invasive, and expensive, and most are focused on advanced-stage disease.

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Alcoholic liver disease (ALD) is a globally prevalent liver-related disorder characterized by severe oxidative stress and inflammatory liver damage, for which no effective treatment is currently available. Hydrogen gas (H) has been demonstrated to be an efficient antioxidant in various diseases in animals as well as humans. However, the protective effects of H on ALD and its underlying mechanisms remain to be elucidated.

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Obesity, an increasingly prevalent disease worldwide, is accompanied by chronic inflammation and intestinal dysbiosis. Helminth infections have been increasingly proved to exhibit a protective role in several inflammation-associated diseases. Considering the side effects of live parasite therapy, efforts have been made to develop helminth-derived antigens as promising candidates with fewer adverse effects.

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Autoimmune hepatitis (AIH) is a liver disease characterized by chronic liver inflammation. The intestinal barrier and microbiome play critical roles in AIH progression. AIH treatment remains challenging because first-line drugs have limited efficacy and many side effects.

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Scope: Changes in the intestinal flora are related to autoimmune hepatitis (AIH) development. The aim of this study is to investigate the synergistic effects of probiotics and prebiotics on liver injury induced by concanavalin A (Con A).

Methods And Results: C57BL/6 mice are fed probiotics (Pro), prebiotics (Pre), synbiotic (Syn) for 7 days and then Con A is injected via tail veins to induce AIH.

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Alcoholic liver disease (ALD) is a worldwide health threaten lack of effective treatment. Gut dysbiosis and concomitant augmented intestinal permeability are strongly implicated in the pathogenesis and progression of ALD. Research on the protective effect of probiotics on ALD is limited, and more effective intestinal microecological regulators and the related mechanisms still need to be further explored.

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Myasthenia gravis (MG) is an acquired neurological autoimmune disorder characterized by dysfunctional transmission at the neuromuscular junction. The complex interplay of genetic and environmental influences is important for the occurrence and development of the disease. Recently, some studies have demonstrated the relationship between gut microbiota dysbiosis and MG.

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Alopecia areata (AA) accounts for the autoimmune disorder mediated by T cells, whose prognostic outcome cannot be predicted and curative treatment is unavailable at present. The AA pathogenic mechanism remains largely unclear, even though follicular attack has been suggested to result from that attack of immune privilege-losing hair follicles driven by immunity. Recently, gut microbiota is suggested to have an important effect on immunoregulation under autoimmune situations like AA.

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Allergic diseases have become a primary public health issue in a moderately prosperous society. Colonization of microorganisms early in life appears to be significant in guiding the regulation of childhood immune system maturation and allergy development. Since the oral cavity is the first position where most foreign antigens meet the immune system, the oral microbiota may play a key role in the development of allergies.

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Recently, we read the article "Gut microbiome composition can predict the response to nivolumab in advanced hepatocellular carcinoma patients" with interest, and it is preliminary suggested that gut microbiota is closely related to therapeutic effect of nivolumab. Based on the meaningful results of this article, several valuable research directions are proposed to enhance the therapeutic effect of immune checkpoint inhibitors on advanced hepatocellular carcinoma.

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Hepatocellular carcinoma (HCC) ranks the third place among all causes inducing cancer-associated mortality, worldwide. HCC nearly exclusively occurs in cases suffering from chronic liver disease (CLD), which results from the vicious cycle of liver damage, inflammation, and regeneration possibly lasting for dozens of years. Recently, more and more investigation on microbiome-gut-liver axis enhances our understanding toward how gut microbiota promotes liver disease and even HCC development.

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Objective: Gut microbiota have been thought to play a role in the emergence of obesity and metabolic disorders, thus dietary fiber may be an effective strategy for the management of obesity by modulating the gut microbiota. The aim of the present study was to investigate the effects of konjaku flour (KF) supplementation on treating obesity and regulating intestinal microbiota in obese adults.

Methods: In a 5-week, randomized, double-blind, place-controlled trial, sixty-nine obese volunteers aged 25 to 35 with body mass index ≥28 kg/m were randomly assigned to receive KF or placebo (lotus root starch).

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Objective: The diabetic autonomic neuropathy is one of the most common complications in type 2 diabetes mellitus (T2DM), especially gastrointestinal autonomic neuropathy (GAN), which occurs in up to 75% of patients. The study aimed to investigate the gut microbiota composition, structure, and function in T2DM patients with GAN (T2DM_GAN) and set up a link between gut microbiota and clinical characteristics of patients.

Methods: DNA was extracted from fecal samples of three groups using the kit method: healthy volunteers (n = 19), the patients with T2DM (n = 76), and T2DM_GAN (n = 27).

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Obesity associated with low-grade chronic inflammation and intestinal dysbiosis is considered as a worldwide public health crisis. In the meanwhile, different probiotics have demonstrated beneficial effects on this condition, thus increasing the interest in the development of probiotic treatments. In this context, the aim of this study is to investigate the anti-obesity effects of potential probiotic Lactobacillus acidophilus isolated from the porcine gut.

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