Hua Zhu

Hua Zhu
University College London | UCL · Department of Electronic and Electrical Engineering

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268
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Publications

Publications (268)
Article
The mass inoculation of a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine to induce herd immunity is one of the most effective measures to fight COVID-19. The vaccination of pregnant women cannot only avoid or reduce the probability of infectious diseases, but also offers the most effective and direct protection for neonates by...
Article
The present study was designed to discuss long non-coding RNA (lncRNA) MIR22HG expression in prostate cancer and to address its effect on prostate cancer cells. MIR22HG and microRNA (miR)-9-3p expressions in prostate cancer cells were examined with the use of quantitative real-time PCR (qRT-PCR). Cell counting kit (CCK)-8, colony formation, and TUN...
Article
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Rationale While reactive oxygen species (ROS) has been recognized as one of the main causes of cardiac injury following myocardial infarction, the clinical application of antioxidants has shown limited effects on protecting hearts against ischemia–reperfusion (I/R) injury. Thus, the precise role of ROS following cardiac injury remains to be fully e...
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Ubiquitin carboxyl-terminal hydrolase L1 (UCHL1) is a deubiquitinase known to play essential roles in the nervous tissue. Myocardial upregulation of UCHL1 was observed in human dilated cardiomyopathy and several animal models of heart disease, but the (patho)physiological significance of UCHL1 in cardiomyocytes remains undefined. Hence, we conducte...
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MG53 is an essential component of the cell membrane repair machinery, participating in the healing of dermal wounds. Here we develop a novel delivery system using recombinant human MG53 (rhMG53) protein and a reactive oxygen species (ROS)-scavenging gel to treat diabetic wounds. Mice with ablation of MG53 display defective hair follicle structure,...
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Ubiquitin carboxyl-terminal esterase L1 (UCHL1) has been thought to be a neuron specific protein and shown to play critical roles in Parkinson's Disease and stroke via de-ubiquiting and stabilizing key pathological proteins, such as α-synuclein. In the present study, we found that UCHL1 was significantly increased in both mouse and human cardiomyoc...
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SARS-CoV-2 has been reported to show a capacity for invading the brains of humans and model animals. However, it remains unclear whether and how SARS-CoV-2 crosses the blood–brain barrier (BBB). Herein, SARS-CoV-2 RNA was occasionally detected in the vascular wall and perivascular space, as well as in brain microvascular endothelial cells (BMECs) i...
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In the face of the emerging variants of SARS-CoV-2, there is an urgent need to develop a vaccine that can induce fast, effective, long-lasting and broad protective immunity against SARS-CoV-2. Here, we developed a trimeric SARS-CoV-2 S protein vaccine candidate adjuvanted by PIKA, which can induce robust cellular and humoral immune responses. The r...
Article
Introduction: Aging is associated with chronic oxidative stress and inflammation that affect the tissue repair and regeneration capacity. MG53 is a TRIM family protein that facilitates repair of cell membrane injury in a redox-dependent manner. However, it is not clear how MG53 regulates cardiac inflammation during aging. Hypothesis: We hypothesize...
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Penicillium and Acaulium species are common in fresh herbivore dung and can produce many diverse secondary metabo-lites, and these fungi play important roles as decomposers of organic materials, food industry, or enzyme factories. Besides, the well-characterized diversity of coprophilous fungi offers accessible systems for dissecting the function o...
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Aging is associated with chronic oxidative stress and inflammation that impact the tissue repair and regeneration capacity. MG53 is a TRIM family protein that facilitates repair of cell membrane injury in a redox-dependent manner. Here we demonstrate that the expression of MG53 is reduced in failing human heart and aging mouse heart, concomitant wi...
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In recent years, human gut microbiota have become one of the most promising areas of microorganism research; meanwhile, the inter-relation between the gut microbiota and various human diseases is a primary focus. As is demonstrated by the accumulating evidence, the gastrointestinal tract and central nervous system interact through the gut–brain axi...
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Background & Aims Drug-induced liver injury (DILI) is a leading cause of acute liver failure, and treatment of DILI remains a challenge. MG53 is a muscle-derived tissue-repair protein that circulates in the bloodstream whose physiological role in protection against DILI has not been examined. Methods Recombinant MG53 protein (rhMG53) was administe...
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Indoor formaldehyde (CH2O) exceeding the recommended level is a severe threat to human health. Few studies have investigated its effect on indoor surface bacterial communities, affecting habitants' health. This study used 20-L glass containers to mimic the indoor environment with bacterial inputs from human oral respiration. The behavior of bacteri...
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Fibroblasts can be reprogrammed into cardiovascular progenitor cells (CPCs) using transgenic approaches, while the underlying mechanism remains unclear. We determined whether activation of endogenous genes such as Gata4, Nkx2.5, and Tbx5 can rapidly establish autoregulatory loops and initiate CPC generation in adult extracardiac fibroblasts using a...
Article
Through stress and injury to tissues, the cell membrane is damaged and can lead to cell death and a cascade of inflammatory events. Soluble factors that mitigate and repair membrane injury are important to normal homeostasis and are a potential therapeutic intervention for regenerative medicine. A myokine is a type of naturally occurring factors th...
Preprint
Full-text available
Penicillium and Acaulium species are common in the fresh of herbivore dung and can produce abundant secondary metabolism, which play important roles as decomposers of organic materials, food industry, and enzyme factories. Besides, the well-characterized diversity of dung fungi offers accessible systems for dissecting the function of fungi in gut a...
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Purpose: Chemical corneal injuries carry a high morbidity and commonly lead to visual impairment. Here, we investigate the role of Serp-1, a serine protease inhibitor, in corneal wound healing. Methods: An alkaline-induced corneal injury was induced in 14 mice. Following injury, five mice received daily topical saline application while nine mice re...
Article
Objective To establish and evaluate a human flora-associated (HFA) mouse model from patients with Alzheimer’ s disease (AD) via fecal microbiota transplantation. Methods Twenty-eight female germ-free (GF)C57BL/6J mice were divided into a healthy control CON group and an AD group. Six-week-old mice were orally inoculated with a 0. 4 mL mixed stool s...
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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) invades the alveoli, where abundant alveolar macrophages (AMs) reside. How AMs respond to SARS-CoV-2 invasion remains elusive. Here, we show that classically activated M1 AMs facilitate viral spread; however, alternatively activated M2 AMs limit the spread. M1 AMs utilize cellular softnes...
Article
Introduction The current study was designed to test the potential role of recombinant human MG53 (rhMG53) protein on protecting against alkaline-induced corneal injury in mice. Materials and Methods A round filter paper with 2-mm diameter was soaked in 1 mol/L of NaOH solution. The mouse alkaline injury was generated by placing the filter paper di...
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The SARS-CoV-2 pandemic poses an unprecedented public health crisis. Evidence suggests that SARS-CoV-2 infection causes dysregulation of the immune system. However, the unique signature of early immune responses remains elusive. We characterized the transcriptome of rhesus macaques and mice infected with SARS-CoV-2. Alarmin S100A8 was robustly indu...
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Objective To use liquid chromatography-mass spectrometry based plasma metabonomics to study the characteristics of human flora-associated (HFA) mice with coronary heart disease. Methods Twenty-eight female germ free C57BL/6J mice were divided into healthy control and coronary heart disease (CAD) groups. Each mouse was orally inoculated with a stool...
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Abstract Experimental animals including the ferret, marmoset, woodchuck, mini pig, and tree shrew have been used in biomedical research. However, their gut microbiota have not been fully investigated. In this study, the gut microbiota of these five experimental animals were analyzed with 16S rRNA sequencing. The phyla Firmicutes, Bacteroidetes, and...
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Understanding how potent neutralizing antibodies (NAbs) inhibit SARS-CoV-2 is critical for effective therapeutic development. We previously described BD-368-2, a SARS-CoV-2 NAb with high potency; however, its neutralization mechanism is largely unknown. Here, we report the 3.5-Å cryo-EM structure of BD-368-2/trimeric-spike complex, revealing that B...
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Full-text available
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Preprint
The SARS-CoV-2 pandemic poses an unprecedented public health crisis. Accumulating evidences suggest that SARS-CoV-2 infection causes dysregulation of immune system. However, the unique signature of early immune responses remains elusive. We characterized the transcriptome of rhesus macaques and mice infected with SARS-CoV-2. Alarmin S100A8 was robu...
Article
Full-text available
Objective: Cavin3 is a putative tumor suppressor protein. However, its molecular action on tumor regulation is largely unknown. The aim of the current study is to explore the implication of cavin3 alteration, its clinical significance, and any potential molecular mechanisms in the regulation of breast cancer (BC). Methods: TCGA (The Cancer Genom...
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The genera Kernia and Acaulium comprise species commonly isolated from dung, soil, decaying meat and skin of animal. The taxonomy of these fungi has been controversial and relies mainly on morphological criteria. With the aim to clarify the taxonomy and phylogeny of these fungi, we studied all the available ex-type strains of a large set of species...
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An amendment to this paper has been published and can be accessed via the original article.
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Induced pluripotent stem cells (iPSCs) have become an essential research platform to study different human diseases once being discovered by Dr. Shinya Yamanaka in 2006. Another breakthrough in biomedical research is the application of CRISPR/Cas9 system for genome editing in mammalian cells. Although numerous studies have been done to develop meth...
Article
The COVID-19 pandemic urgently needs therapeutic and prophylactic interventions. Here we report the rapid identification of SARS-CoV-2 neutralizing antibodies by high-throughput single-cell RNA and VDJ sequencing of antigen-enriched B cells from 60 convalescent patients. From 8,558 antigen-binding IgG1⁺ clonotypes, 14 potent neutralizing antibodies...
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Brain derived exosomes (BDEs) are extracellular nanovesicles that are collectively released by all cell lineages of the central nervous system and contain cargo from their original cells. They are emerging as key mediators of communication and waste management among neurons, glial cells and connective tissue during both physiological and pathologic...
Chapter
Cardiovascular disease (CVD) is a common disease which poses a serious threat to human health and it is characterized by high prevalence, high disability and high mortality. Myocardial hypertrophy (MH) is a common pathological process of various cardiovascular diseases and is considered as an independent risk factor for increased cardiovascular mor...
Chapter
Heart failure (HF) is a leading cause of death worldwide and is still growing. Thus, it’s critical to understand the molecular causes of HF and develop effecitive therapies to treat HF. Recently, scientists and clinicians identified that noncoding RNAs play important roles in pathogenesis of HF. Some of noncoding RNAs can serve as novel biomarkers...
Article
Gut microbiota, comprising a vast number of microorganism species with complex metagenome, are known to be associated with Alzheimer’s disease (AD) and amyloid deposition. However, studies related to gut microbiota have been mostly restricted to comparisons of amyloid deposits, while investigations on neurobehavioral changes and the pathogenesis of...
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Bone marrow (BM) stem cells (BMSCs) are an important source for autologous cell therapy. The outcome of cell therapy could be ultimately associated with the number and function of donor BMSCs. The present study was to evaluate the effect of long‐term high fat diet (HFD) on the population of BMSCs and the role of reactive oxygen species (ROS) in agi...
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MG53 is a member of the TRIM protein family that is predominantly expressed in striated muscles and participates in cell membrane repair. Controversy exists regarding MG53's role in insulin signaling and manifestation of diabetes. We generated db/db mice with either whole-body ablation or sustained elevation of MG53 in the bloodstream in order to e...
Preprint
Full-text available
Ischemic injury to the heart causes a loss of mitochondria function due to an increase in oxidative stress. MG53, also known as TRIM72, is highly expressed in striated muscle and is essential to repair damage to plasma membrane. We have shown that mg53-/- mice are more susceptible to ischemia-reperfusion injury, whereas treatment with exogenous rec...
Article
Full-text available
Objective To establish and evaluate a mouse model of human flora-associated ( HFA) from patients of coronary heart disease via fecal microbiota transplantation. Methods Twenty-eight female germ-free ( GF) C57BL/6J mice were divided into the healthy control ( CON) and coronary heart disease ( CAD) groups. Eight-week-old mice were orally inoculated w...
Article
Objective To establish and evaluate a mouse model of human flora-associated ( HFA) from patients of coronary heart disease via fecal microbiota transplantation. Methods Twenty-eight female germ-free ( GF) C57BL/6J mice were divided into the healthy control ( CON) and coronary heart disease ( CAD) groups. Eight-week-old mice were orally inoculated w...
Article
Full-text available
MG53 is an important membrane repair protein and partially protects bone marrow multipotent adult progenitor cells (MAPCs) against oxidized low‐density lipoprotein (ox‐LDL). The present study was to test the hypothesis that the limited protective effect of MG53 on MAPCs was due to ox‐LDL‐induced reduction of MG53. MAPCs were cultured with and witho...
Article
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MG53 is a muscle-specific TRIM-family protein that presides over the cell membrane repair response. Here, we show that MG53 present in blood circulation acts as a myokine to facilitate tissue injury-repair and regeneration. Transgenic mice with sustained elevation of MG53 in the bloodstream (tPA-MG53) have a healthier and longer life-span when comp...
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Patients with familial hypercholesterolemia usually present with high levels of serum low-density lipoprotein, xanthomas and early coronary artery disease. A 13 years old female patient was admitted to Children's Hospital of Chongqing Medical University presenting symptoms of heart failure. Laboratory tests showed that her cholesterol and low-densi...
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Corneal wounds usually heal quickly; but diabetic patients have more fragile corneas and experience delayed and painful healing. In the present study, we compared the healing capacity of corneal epithelial cells (CECs) between normal and diabetic conditions and the potential mechanisms. Primary murine CEC derived from wild-type and diabetic (db/db)...
Article
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The cornea plays an important role in transmitting light and providing protection to the eye, but is susceptible to injury and infection. Standard treatments for corneal wounds include topical lubricants, antibiotics, bandage contact lens, and surgery. However, these measures are often ineffective. Here we show that MG53, a protein with an essentia...
Article
Full-text available
Background The aortic valve of the heart experiences constant mechanical stress under physiological conditions. Maladaptive valve injury responses contribute to the development of valvular heart disease. Here, we test the hypothesis that MG53 (mitsugumin 53), an essential cell membrane repair protein, can protect valvular cells from injury and fibr...
Data
Table S1. De‐Identified Patient Details are Provided for the Human Tissue Western Blot Figure S1. Intensity of the trichrome staining in mouse aortic valve. Figure S2. Coronal sections of mitral valve leaflets are shown opening downwards, left ventricle below and left atrium above. Figure S3. Wild type and Mg53−/− mice show similar cardiac funct...
Data
Videos S1 and S2. Representative color Doppler videos from 24‐month‐old wild‐type (left) and Mg53−/− (right) mice. Best viewed with Windows Media Player.
Data
Video S3. GFP‐MG53 translocates to VIC membrane injury site after microelectrode needle penetration. Best viewed with Windows Media Player.
Article
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Coronaviruses (CoVs) have formerly been regarded as relatively harmless respiratory pathogens to humans. However, two outbreaks of severe respiratory tract infection, caused by the severe acute respiratory syndrome coronavirus (SARS-CoV) and the Middle East respiratory syndrome coronavirus (MERS-CoV), as a result of zoonotic CoVs crossing the speci...
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Species in Lecanicillium are pathogens that parasitize various arthropods, nematodes, and other fungi. In an investigation of intestinal fungi associated with Marmota monax in China, three strains belonging to the genus Lecanicillium were isolated from the fresh fecal samples. Based on multi-locus phylogenetic analysis of the combined sequences (IT...