Xiumei Mo's research while affiliated with Donghua University and other places

Publications (291)

Article
Excessive scar tissue formation along with bacterial infection, hemorrhage, and oxidative wound microenvironment pose adverse physiological and psychological effects on patients, which necessitate the advent of innovative anti-inflammatory, anti-bacterial, and anti-oxidative multifunctional wound dressings. The overarching objective of this study w...
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Tissue engineering (TE) has attracted the widespread attention of the research community as a method of producing patient-specific tissue constructs for the repair and replacement of injured tissues. To date, different types of scaffold materials have been developed for various tissues and organs. The choice of scaffold material should take into co...
Article
Tissue injury leads to gradients of chemoattractants, which drive multiple processes for tissue repair, including the inflammatory response as well as endogenous cell recruitment. However, a limited time window for the gradients of chemoattractants as well as their poor stability at the injury site may not translate into healthy tissue repair. Cons...
Article
Osteoarthritis (OA) is one of the most common chronic musculoskeletal diseases, which accounts for a large proportion of physical disabilities worldwide. Herein, we fabricated injectable gelatin/poly(L-lactide)-based nanofibrous microspheres (MS) via electrospraying technology, which were further modified with tannic acid (TA) named as TMS or metal...
Article
Previously, we demonstrated that magnesium oxide (MgO)‐incorporated electrospun membranes show powerful antibacterial activity and promote wound healing, but the underlying mechanisms have not been entirely understood. Herein, we investigated the relationship between structure and function of MgO‐incorporated membranes and interrogated critical bio...
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Wang W, Nie W, Liu D, et al. Int J Nanomedicine. 2018;13:7003–7018. The authors have advised the representative image of the migratory HVSMCs for the TCP (Figure 13A) and PLLA/PLGA/PCL scaffold (Figure 13B) on Page 7017 were overlapped. Following a review of the original images, the authors found different sets of images were mixed when processing...
Article
The main reason for the failure of artificial blood vessel transplantation is the lack of mechanically matched materials with excellent blood compatibility. The electrospun biodegradable polyurethane (BPU) fibers with micro to nanoscale topography and high porosity similar to the natural extracellular matrix (ECM) is one of the most suitable option...
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Cardiovascular disease has become the leading cause of death. A vascular stent is an effective means for the treatment of cardiovascular diseases. In recent years, biodegradable polymeric vascular stents have been widely investigated by researchers because of its degradability and clinical application potential for cardiovascular disease treatment....
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Guided tissue regeneration (GTR) membranes play a vital role in periodontal surgery. Recently a series of composite electrospun membranes have been fabricated to improve the unexpected biodegradation of collagen‐based GTR membranes. However, their tissue integrity needs to be studied in depth. In this study, a bi‐layered electrospun membrane (BEM)...
Article
Acute skin wounds often lead to tissue defects and bacterial infection, leading to the suffering of patients. In this study, we reported a multifunctional nanofiber reinforced photo-crosslinking hydrogel wound dressing mainly based on natural biomaterials to mimic the structure and components of the native extracellular matrix (ECM). Gelatin-methac...
Chapter
Electrospinning has been a general and feasible technique for fabricating fibers from nanoscale to microscale. Owing to the remarkable progress of materials, methods, and engineering strategies for generating electrospun fibers, a rich variety of nanofiber‐based scaffolds have been developed to suit or enable applications related to biomedicine. In...
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Considerable advances have been made in developing materials that promote wound healing and inhibit scar formation in clinical settings. However, some challenges, such as cumbersome treatment processes and determination of optimal treatment time, remain unresolved. Thus, developing a multifunctional wound dressing with both wound healing and scar i...
Article
Decellularized meniscus extracellular matrix (dmECM)‐based biological scaffolds in the forms of sponge, hydrogel, nanofiber, and composite have gained increasing interest in meniscus tissue engineering and regeneration. A common shortcoming of those scaffolds is insufficient mechanical strength and poor elasticity. Herein, we report a practicable p...
Article
Compared with other types of hydrogels, natural derived hydrogels possess intrinsic advantages of degradability and biocompatibility. However, due to the low mechanical strength, their potential applications in biomedical areas are limited. In this study, Hofmeister effect-enhanced gelatin/oxidized dextran (Gel/O-Dex) hydrogels were designed with i...
Article
Hybrid Aerogel Scaffolds In article number 2200499 by Xiumei Mo and co‐workers, inorganic‐organic hybrid aerogel scaffolds are prepared by hybrid thermal crosslinking of organic poly lactic acid (PLA)/gel electrospun short nanofibers and flexible SiO2 electrospun short nanofibers. The electrospun nanofibrous aerogel scaffolds have excellent elastic...
Article
ddECMMA is the methacrylating product of decellularized dermal extracellular matrix with biological signals and capable of photocrosslinking. Thiolated chitosan (TCS) is an effective antibacterial component. PCLPBA is a kind of plasma-treated polycaprolactone nanofiber dispersions (PCLP) that regulates macrophage polarization and promotes angiogene...
Article
Biodegradable stents have become the focus of attention in the field of interventional medicine. Compared to non-biodegradable stents, these stents are designed to degrade, leaving behind regenerating healthy arteries. In addition to biodegradability, customizability and anticoagulation are also important for stent treatments. The combination of ma...
Article
Rupture of tendons and ligaments (T/L) is a major clinical challenge due to T/L possess anisotropic mechanical properties and hierarchical structures. Here, to imitate these characteristics, an approach is presented by fabricating hybrid nanofibrous composites. First, hybrid fiber‐reinforced yarns are fabricated via successively electrospinning pol...
Article
This study aimed to develop a strategy combining binary ethsomes (BES) and microneedles (MNs) to improve the bioavailability of drugs that are poorly bioavailable by oral administration, such as carvedilol (CL). The formula of BES was optimized by Box-Benhnken Designes from four aspects: particle size, zeta potential, encapsulation efficiency and c...
Article
Bacterial infections and poor vascularization delay wound healing, thus necessitating alternative strategies for functional wound dressings. Zinc oxide (ZnO) has been shown to exert a potent antibacterial effect against bacterial species. Similarly, Glucagon-like peptide-1 (GLP-1) analogue liraglutide (LG) has been shown to promote vascularization...
Article
Guided bone regeneration through biomaterial-based formulations can prevent soft tissue migration into the bone defect area through a barrier membrane. However, bone regeneration requires bioactive external interference. Here, we report a biodegradable electrospun poly-l-lactic acid/gelatin-based nanofibrous membrane encapsulating epigallocatechin...
Article
Repairing irregular‐shaped bone defects poses enormous challenges. Scaffolds that can fully fit the defect site and simultaneously induce osteogenesis and angiogenesis hold great promise for bone defect healing. This study aimed to produce superelastic organic/inorganic composite aerogel scaffolds by blending silica nanofibers (SiO2) and poly (lact...
Article
Electrospinning is widely accepted as a technique for the fabrication of nanofibrous three-dimensional (3D) scaffolds which mimic extracellular matrix (ECM) microenvironment for tissue engineering (TE). Unlike normal densely-packed two-dimensional (2D) nanofibrous membranes, 3D electrospun nanofiber scaffolds are dedicated to more precise spatial c...
Article
Scaffolds functionalized with graded changes in both fiber alignment and mineral content are more appealing for tendon-bone healing. This study reports the healing of rotator cuff injury using a heterogeneous nanofiber scaffold, which is associated with a structural gradating from aligned to random and an increasing gradient of mineral content in t...
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Recently, nanofibers have come to be considered one of the sustainable routes with enormous applicability in different fields, such as wastewater treatment. Electrospun nanofibers can be fabricated from various materials, such as synthetic and natural polymers, and contribute to the synthesis of novel nanomaterials and nanocomposites. Therefore, th...
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Electrospun techniques are promising and flexible technologies to fabricate ultrafine fiber/nanofiber materials from diverse materials with unique characteristics under optimum conditions. These fabricated fibers/nanofibers via electrospinning can be easily assembled into several shapes of three-dimensional (3D) structures and can be combined with...
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The meniscus plays a critical role in maintaining the homeostasis, biomechanics, and structural stability of the knee joint. Unfortunately, it is predisposed to damages either from sports-related trauma or age-related degeneration. The meniscus has an inherently limited capacity for tissue regeneration. Self-healing of injured adult menisci only oc...
Article
Cardiovascular diseases cause huge morbidity and mortality worldwide. Recently, vascular stents have been most frequently used to treat cardiovascular diseases thanks to their effectiveness at dilating blood vessels and maintaining the circulation of blood. However, stent expansion leads to endothelium injury posing thrombogenic and in-stent resten...
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The process of secondary intention wound healing includes long repair and healing time. Electrospun nanofibrous scaffolds have shown potential for wound dressing. Biopolymers have gained much attention due to their remarkable characteristics such as biodegradability, biocompatibility, non-immunogenicity and nontoxicity. This study anticipated to de...
Article
This study aimed to deliver mRNA vaccines and immune checkpoint blockers (ICB) with a transcutaneous immunization (TCI) system based on ethosomes (ETH), exploring the feasibility and effectiveness of their use in tumor treatment. Our data showed that the mannosylated-chitosan-modified ETH (ETHMC) loaded with mRNA can efficiently transfect dendritic...
Article
Degenerated cartilage tissues remain a burgeoning issue to be tackled, while bioactive engineering products available for optimal cartilage regeneration are scarce. In the present study, two-dimensional (2DS) poly(l-lactide-co-ε-caprolactone)/silk fibroin (PLCL/SF)-based scaffolds were fabricated by conjugate electrospinning method, which were then...
Article
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Reactive oxygen species (ROS), acting as essential mediators in biological system, play important roles in the physiologic and pathologic processes, including cellular signal transductions and cell homeostasis interference. Aberrant expression of ROS in tissue microenvironment can be caused by the internal/external stimuli and tissue injury, which...
Article
Deficient angiogenesis is the major abnormality impairing the healing process of diabetic wounds. Electrospun nanofiber membranes have shown promise for wound dressing. A prerequisite for electrospun membranes to treating diabetic wounds is the capacity to promote angiogenesis of wounds. Current approaches are mainly focused on the use of pro-angio...
Article
Ligament injuries are common in sports and other rigorous activities. It is a great challenge to achieve ligament regeneration after an injury due the avascular structure and low self-renewal capability. Herein, we developed vascular endothelial growth factor (VEGF)-binding aligned electrospun poly(caprolactone)/gelatin (PCL/Gel) scaffolds by incor...
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Electrospinning represents the simplest approach to fabricate nanofiber scaffolds that approximate the heterogeneous fibrous structure of the meniscus. More effort is needed to understand the relationship between scaffold properties and cell responses to determine the appropriate scaffolds supporting meniscus tissue repair and regeneration. In this...
Article
Regeneration of urethral defects has been difficult in the clinic. To address it, the collagen/ poly (L-lactide-co-caprolactone) (P(LLA-CL)) nanoyarn scaffold delivering adipose-derived stem cells’ exosomes (ADSC-exos) was fabricated. The multipotential differentiation potential of ADSCs were confirmed by Adipogenic, osteogenic, and chondrogenic di...
Article
Transcutaneous immunization (TCI) has the advantages of safety, high efficiency, non-invasiveness and convenient use. The key for a TCI system is transdermal targeted delivery of antigen to dendritic cells (DCs), the most powerful antigen presenting cells. DCs also play an important role in tumor immunotherapy, which provides a huge imagination for...
Article
Recently, various tissue engineering based strategies have been pursued for the regeneration of tracheal tissues. However, previously developed tracheal scaffolds do not accurately mimic the microstructure and mechanical behavior of the native trachea, which restrict their clinical translation. Here, we fabricate tracheal scaffolds by using three‐d...
Article
Nanofiber Sponges In article number 2100918, Jinglei Wu, Xiumei Mo, and co-workers develop a novel conjugate electrospinning strategy to prepare a 3D nanofiber sponge with low density, high surface area, compressibility. This method can be widely used in the preparation of various polymer nanofiber sponges. The obtained gelatin nanofiber sponge hol...
Article
Cancer has become a serious disease threatening human health. To tackle this issue, developing the existing potent anticancer drugs is critical to reducing the time and cost associated with creating a new drug from scratch. Diethyldithiocarbamate (DDC) – an anticancer drug- has received considerable attention due to its selectivity and reactivity....
Article
A feasible approach to fabricate porous nanofibrous scaffolds structurally similar to native extracellular matrix was reported. Magnesium oxide (MgO) nanoparticles were incorporated into electrospun poly(lactic acid) (PLA)/gelatin membranes, which were processed into short fibers and reconstructed to three-dimensional scaffolds. The scaffold exhibi...
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Diabetic wound (DW) healing is a major clinical challenge due to multifactorial complications leading to prolonged inflammation. Electrospun nanofibrous (NF) membranes, due to special structural features, are promising biomaterials capable to promote DW healing through the delivery of active agents in a controlled manner. Herein, we report a multif...
Preprint
Full-text available
Degenerated cartilage tissues remain a burgeoning issue to be tackled, while bioactive engineering products available for optimal cartilage regeneration are scarce. In the present study, two-dimensional (2DS) poly(L-lactide-co-ε-caprolactone)/silk fibroin (PLCL/SF)-based scaffolds were fabricated by conjugate electrospinning method, and then cross-...
Article
Hydrogel adhesives with high tissue adhesion, biodegradability and biocompatibility are benefit for promoting surgical procedures and minimizing the pain and post-surgical complications of patients. In this paper, an injectable mussel inspired double cross-linked hydrogel adhesive composed of thiolated mussel inspired chitosan (CSDS) and tetra-succ...
Article
Ineffective vessel penetration and extracellular matrix (ECM) remodeling are responsible for the failure of porcine small intestinal submucosa (SIS)-repaired abdominal wall defects. Combined growth factors could be used as directing signals in a nature-mimicking strategy to improve this repair through mesh functionalization. In this work, vascular...
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Developing an excellent hemostatic material with good biocompatibility and high blood absorption capacity for rapid hemostasis of deep non‐compressible hemorrhage remains a significant challenge. Herein, a novel conjugate electrospinning strategy to prepare an ultralight 3D gelatin sponge consisting of continuous interconnected nanofibers. This uni...
Article
To achieve optimal functional recovery of articular cartilage, scaffolds with nanofibrous structure and biological function have been widely pursued. In this study, two-dimensional electrospun poly(L-lactide-co-ε-caprolactone)/silk fibroin (PLCL/SF) scaffolds (2DS) were fabricated by dynamic liquid support (DLS) electrospinning system, and then cro...
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Background Most of the natural extracellular matrix (ECM) is a three-dimensional (3D) network structure of micro/nanofibers for cell adhesion and growth of 3D. Electrospun fibers distinctive mimicked 2D ECM, however, it is impossible to simulate 3D ECM because of longitudinal collapse of continuous micro/nanofibers. Herein, 3D electrospun micro/nan...
Article
Acellular Dermal Matrix (ADM) is mainly made with human or porcine skins and has the risk of zoonotic virus transmission. The fish skin-derived ADM could overcome the shortcoming. Fish skin acellular matrix has been used as wound dressing, but there is few systematic studies on tilapia-skin acellular dermal matrix (TS-ADM). In present study, a nove...
Article
Transdermal drug delivery system(TDDS) facilitates the controlled release of active ingredients penetrating through the skin, avoiding the liver first pass effect. Electrospinning is a simple process to fabricate ultrafine fibers with a higher specific surface area, making them excellent candidates for drug delivery. In current work, a novel silk f...
Article
Electrospun nanofibers are of the same length scale as the native extracellular matrix and have been extensively reported to facilitate adhesion and proliferation of cells and to promote tissue repair and regeneration. With a primary focus on tissue repair and regeneration using electrospun scaffolds, only a few studies involved electrospun nanofib...
Preprint
Full-text available
Background Most of the natural extracellular matrix (ECM) is a three-dimensional (3D) network structure of micro/nanofibers for cell adhesion and growth of 3D. Electrospun fibers distinctive mimicked 2D ECM, however, it is impossible to simulate 3D ECM because of longitudinal collapse of continuous micro/nanofibers. Herein, 3D electrospun micro/nan...
Article
Diabetic infection is a long-term complication difficult to cure. The skin of diabetic patients is prone to damage, the healing is slow after the injury, and the wound occurs repeatedly. Therefore, there is an urgent need to develop an effective method for treating diabetes wounds. In this study, we used the electrospinning technique to load Huangb...
Article
Polymeric scaffold containing essential oil has played a significant role in the biomedical applications field. Our study aims to prepare antimicrobial and antioxidant scaffold from polycaprolactone (PCL) and gelatin (Gel) polymers incorporated with oregano oil (PCL/Gel/Oil) using electrospinning technique. Fiber’s morphology was changed by using o...
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When transplanting a scaffold to repair defected vascular tissues, there is a critical need to achieve in-situ rapid endothelialization together with the circumferential alignment and ingrowth of smooth muscle cells. To this end, we hereby design and fabricate a bilayer vascular scaffold with spatially controlled release of growth factors. The lume...
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A chronic wound in diabetic patients is a major public health concern with socioeconomic and clinical manifestations. The underlying medical condition of diabetic patients deteriorates the wound through physiological, metabolic, molecular, and cellular pathologies. Consequently, a wound enters a vicious pathological inflammatory cycle. Many therape...
Article
Healing of the tendon-to-bone interface remains a challenge in clinical practice due to its unique gradient structure. Despite substantial efforts to reproducing the transitional structure from mineralized to nonmineralized tissue, successful regeneration of tendon-to-bone interface through tissue engineering approaches remains rare. To maximally s...
Article
Tissue engineering, especially cell sheets-based engineering, offers a promising approach to tendon regeneration; however, obtaining a sufficient source of cells for tissue engineering applications is challenging. Adipose-derived stem cells (ASCs) are essential sources for tissue regeneration and have been shown to have the potential for tenogenic...
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The meniscus has complex biomechanical functions endowed by the hierarchical fibrous structure of its extracellular matrix (ECM), which plays a central role in protecting the knee joint. However, it is challenging to recapitulate the ECM structure of the meniscus. Herein, we used electrospinning to prepare various scaffolds with distinct nanofibrou...
Article
Electrospun nanofibers emulate extracellular matrix (ECM) morphology and architecture; however, small pore size and tightly-packed fibers impede their translation in tissue engineering. Here we exploited in situ gas foaming to afford three-dimensional (3D) poly(L-lactide-co-ε-caprolactone)/silk fibroin (PLCL/SF) scaffolds, which exhibited nanotopog...
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Regeneration of Intervertebral disc (IVD) is a scientific challenge because of the complex structure and composition of tissue, as well as the difficulty in achieving bionic function. Here, an anatomically correct IVD scaffold composed of biomaterials, cells, and growth factors were fabricated via three-dimensional (3D) bioprinting technology. Conn...
Article
Dialyzed tilapia skin collagen sponge (DTSCS) and self-assembled tilapia skin collagen sponge (STSCS) were prepared by freeze-drying. The raw components used in the fabrication of DTSCS and STSCS were separated and purified from tilapia fish skin. It is anticipated that these collagen sponges could be developed into medical dressings for hemostasis...
Article
Silk fibroin (SF) has made major contribution to the development of a rich variety of tissue-engineered scaffolds, mainly owing to its low cost, good biocompatibility, and proper biodegradability. However, scaffold of pure SF shows poor performance in terms of the mechanical strength, especially when they are constructed to a three-dimensional (3D)...
Article
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Rapid endothelialization of small-diameter vascular grafts remains a significant challenge in clinical practice. In addition, compliance mismatch causes intimal hyperplasia and finally leads to graft failure. To achieve compliance match and rapid endothelialization, we synthesized low-initial-modulus poly(ester-urethane)urea (PEUU) elastomer and pr...
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Scaffold-guided formation of neuronal-like networks, especially under electrical stimulation, can be an appealing avenue toward functional restoration of injured nervous systems. Here, 3D conductive scaffolds are fabricated based on printed microfiber constructs using near-field electrostatic printing (NFEP) and graphene oxide (GO) coating. Various...
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Development of a functional nerve conduit to replace autografts remains a significant challenge particularly considering the compositional complexity and structural hierarchy of native peripheral nerves. In the present study, a multiscale strategy was adopted to fabricate 3D biomimetic nerve conduit from Antheraea pernyi silk fibroin (ApF)/(Poly(L-...
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It is a big challenge to develop a polyethylene terephthalate (PET) artificial ligament with excellent osteogenetic activity to enhance graft-bone integration for ligament reconstruction. Herein, we evaluated the effect of biomineralization (BM) and electrodeposition (ED) method for depositing calcium-phosphate (CaP) on the PET artificial ligament...
Preprint
The meniscus plays a critical role in maintaining the homeostasis, biomechanics, and structural stability of the knee joint. Unfortunately, it is predisposed to damages either from sports-related trauma or age-related degeneration. The meniscus has an inherently limited capacity for tissue regeneration. Self-healing of injured adult menisci only oc...
Article
Nanofibrous scaffolds were widely studied to construct scaffold for various fields of tissue engineering due to their ability to mimic a native extracellular matrix (ECM). However, generally, an electrospun nanofiber exhibited a two-dimensional (2D) membrane form with a densely packed structure, which inhibited the formation of a bulk tissue in a t...
Article
The use of natural biocompatible drugs is highly desirable to be used in wound dressing compared to synthetic chemicals. Oregano essential oil (OEO) is a promising natural compound with marked antibacterial, antioxidant and anti-inflammatory activities. The topical delivery of OEO may result in lower therapeutic efficacy and irritation to the skin....
Article
To meet the growing clinical demand for small-caliber blood vessel grafts to treat cardiovascular diseases, it is necessary to develop safe and long-term unobstructed grafts. In this study, a biodegradable graft made of composite nanofibers is introduced. A composite nanofiber core-shell structure was prepared by a combination of conjugate electros...
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This study aims to develop scaffold for transdermal drug delivery method (TDDM) using electrospinning technique from polyvinyl alcohol (PVA) and hydroxyethylcellulose (HEC). The fluorescein isothiocyanate (FITC) loaded on ethosomes (FITC@Eth) was used as a drug model. The prepared PVA/HEC/FITC@Eth scaffold was characterized via scanning electron mi...
Article
3D electrospun nanofibrous scaffolds have been developed for cartilage regeneration, however, there is no consensus on the preferable method for biocompatible scaffolds that enhance regeneration and attenuate inflammation. We designed a 3D porous electrospun polylactic acid (PLA) @gelatin-based scaffold by a novel method. Chondroitin sulfate (CS),...