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Primary cilia in hard tissue development and diseases

《医学前沿（英文）》 2021年 第15卷 第5期   页码 657-678 doi: 10.1007/s11684-021-0829-6

摘要： Bone and teeth are hard tissues. Hard tissue diseases have a serious effect on human survival and quality of life. Primary cilia are protrusions on the surfaces of cells. As antennas, they are distributed on the membrane surfaces of almost all mammalian cell types and participate in the development of organs and the maintenance of homeostasis. Mutations in cilium-related genes result in a variety of developmental and even lethal diseases. Patients with multiple ciliary gene mutations present overt changes in the skeletal system, suggesting that primary cilia are involved in hard tissue development and reconstruction. Furthermore, primary cilia act as sensors of external stimuli and regulate bone homeostasis. Specifically, substances are trafficked through primary cilia by intraflagellar transport, which affects key signaling pathways during hard tissue development. In this review, we summarize the roles of primary cilia in long bone development and remodeling from two perspectives: primary cilia signaling and sensory mechanisms. In addition, the cilium-related diseases of hard tissue and the manifestations of mutant cilia in the skeleton and teeth are described. We believe that all the findings will help with the intervention and treatment of related hard tissue genetic diseases.

关键词： primary cilia     bone     mechanical sensing     hard tissue     cilium-related bone disease     tooth    

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Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone

null

《医学前沿（英文）》 2017年 第11卷 第3期   页码 378-385 doi: 10.1007/s11684-017-0541-8

摘要：

The purpose of this study is to characterize a meta-signature of differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNA (miRNA) in CKD–mineral bone disorder (CKD–MBD) and confirm the changes in these genes and miRNA expression under uremic conditions by using a cell culture system. PubMed searches using MeSH terms and keywords related to CKD, uremia, and mRNA arrays were conducted. Through a computational analysis, a meta-signature that characterizes the significant intersection of differentially expressed mRNA and expected miRNAs associated with CKD–MBD was determined. Additionally, changes in gene and miRNA expressions under uremic conditions were confirmed with human Saos-2 osteoblast-like cells. A statistically significant mRNA meta-signature of upregulated and downregulated mRNA levels was identified. Furthermore, miRNA expression profiles were inferred, and computational analyses were performed with the imputed microRNA regulation based on weighted ranked expression and putative microRNA targets (IMRE) method to identify miRNAs associated with CKD occurrence. TLR4 and miR-146b levels were significantly associated with CKD–MBD. TLR4 levels were significantly downregulated, whereas pri-miR-146b and miR-146b were upregulated in the presence of uremic toxins in human Saos-2 osteoblast-like cells. Differentially expressed miRNAs associated with CKD-MBD were identified through a computational analysis, and changes in gene and miRNA expressions were confirmed with an in vitro cell culture system.

关键词： chronic kidney disease     microRNA     mineral bone disorder     uremia    

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FGF13 suppresses acute myeloid leukemia by regulating bone marrow niches

《医学前沿（英文）》 2022年 第16卷 第6期   页码 896-908 doi: 10.1007/s11684-022-0944-z

摘要： Fibroblast growth factor 13 (FGF13) is aberrantly expressed in multiple cancer types, suggesting its essential role in tumorigenesis. Hence, we aimed to explore its definite role in the development of acute myeloid leukemia (AML) and emphasize its associations with bone marrow niches. Results showed that FGF13 was lowly expressed in patients with AML and that its elevated expression was related to prolonged overall survival (OS). Univariate and multivariate Cox regression analyses identified FGF13 as an independent prognostic factor. A prognostic nomogram integrating FGF13 and clinicopathologic variables was constructed to predict 1-, 3-, and 5-year OS. Gene mutation and functional analyses indicated that FGF13 was not associated with AML driver mutations but was related to bone marrow niches. As for immunity, FGF13 was remarkably associated with T cell count, immune checkpoint genes, and cytokines. In addition, FGF13 overexpression substantially inhibited the growth and significantly induced the early apoptosis of AML cells. The xenograft study indicated that FGF13 overexpression prolonged the survival of recipient mice. Overall, FGF13 could serve as an independent prognostic factor for AML, and it was closely related to the bone marrow microenvironment.

关键词： acute myeloid leukemia     FGF13     prognosis     immune-related genes     bone marrow niches    

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FGF23 associated bone diseases

null

《医学前沿（英文）》 2013年 第7卷 第1期   页码 65-80 doi: 10.1007/s11684-013-0254-6

摘要：

Recently, fibroblast growth factor 23 (FGF23) has sparked widespread interest because of its potential role in regulating phosphate and vitamin D metabolism. In this review, we summarized the FGF superfamily, the mechanism of FGF23 on phosphate and vitamin D metabolism, and the FGF23 related bone disease.

关键词： fibroblast growth factor 23     FGF receptor     phosphate metabolism     Klotho     bone disease    

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Potential functions of esophageal cancer-related gene-4 in the cardiovascular system

Rui Zhou, Yuanshu Liu, Wenjun Huang, Xitong Dang

《医学前沿（英文）》 2019年 第13卷 第6期   页码 639-645 doi: 10.1007/s11684-019-0701-0

摘要： Esophageal cancer-related gene-4 ( ) is cloned from the normal epithelium of the esophagus. It is constitutively expressed in quiescent epithelial cells and downregulated during tumorigenesis, and expression levels are inversely correlated with the malignant phenotype of tumor cells, validating that is a real tumor suppressor gene. Unlike other tumor suppressor genes that usually encode membrane or intracellular proteins, encodes a 148-amino acid pre-pro-peptide that is tethered on the cell surface in epithelial cells, specialized epithelial cells, and human leukocytes, where it can be processed tissue dependently into several small peptides upon cell activation. Ecrg4 is expressed in a wide variety of other cells/tissues, including cardiomyocytes and conduction system of the heart，, the glomus cells of the carotid body, adrenal glands, choroid plexus, and leukocytes among others, where it exerts distinct functions, such as promoting/suppressing inflammation, inducing neuron senescence, stimulating the hypothalamus–pituitary–adrenal axis, maintaining the stemness of stem cells, participating in the rhythm and rate control of the heart, and possibly gauging the responsiveness of the cardiovascular system (CVS) to hypoxia, in addition to tumor suppression. Here, we briefly review the latest discoveries on Ecrg4 and its underlying molecular mechanisms as a tumor suppressor and focus on the emerging roles of Ecrg4 in the CVS.

关键词： tumor suppressor gene     esophageal cancer-related gene-4     cardiovascular disease     hypoxia    

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Effect of laparoscopic fundoplication treatment on gastroesophageal reflux disease-related respiratory

Zhong-Gao WANG MD, FACS, Feng JI MD, PhD, Yun-Gang LAI MD, PhD, Xiang GAO MD, PhD, Cheng-Chao ZHANG MD, PhD, Ji-Min WU MD, PhD, Xiu CHEN MD, PhD, Ibrahim M. IBRAHIM MD, FACS,

《医学前沿（英文）》 2010年 第4卷 第2期   页码 254-258 doi: 10.1007/s11684-010-0029-2

摘要： Gastroesophageal reflux disease (GERD) was diagnosed and fundoplication was performed, which relieved the symptoms. This paper explores the effect of fundoplication on GERD-related respiratory symptoms. From January 2007 to October 2008, 64 patients with respiratory symptoms related to GERD were consecutively enrolled for laparoscopic fundoplication. Of these, 60 patients had respiratory symptoms mainly combined with gastroesophageal reflux, while four had respiratory symptoms only. All patients had GERD confirmed, and medical treatment provided before surgery resulted in an insufficiently favorable effect or even producing further complications. All the patients were requested to fill a questionnaire form regarding the severity of symptoms and their medication so as to make an evaluation score for the follow-up. The outcome of respiratory symptoms after surgery was as follows: excellent in 23 cases (35.9%); good in 28 (43.8%); fair in 5 (7.8%); poor in 8 (12.5%). The mean respiratory symptom score decreased from 6.3±2.65 to 2.33±2.37. Laparoscopic fundoplication can be an effective treatment for the majority of patients with GERD-related respiratory symptoms.

关键词： gastroesophageal reflux disease     pH monitoring     laparoscopic fundoplication     respiratory symptom    

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Current advances for bone regeneration based on tissue engineering strategies

Rui Shi, Yuelong Huang, Chi Ma, Chengai Wu, Wei Tian

《医学前沿（英文）》 2019年 第13卷 第2期   页码 160-188 doi: 10.1007/s11684-018-0629-9

摘要： Bone tissue engineering (BTE) is a rapidly developing strategy for repairing critical-sized bone defects to address the unmet need for bone augmentation and skeletal repair. Effective therapies for bone regeneration primarily require the coordinated combination of innovative scaffolds, seed cells, and biological factors. However, current techniques in bone tissue engineering have not yet reached valid translation into clinical applications because of several limitations, such as weaker osteogenic differentiation, inadequate vascularization of scaffolds, and inefficient growth factor delivery. Therefore, further standardized protocols and innovative measures are required to overcome these shortcomings and facilitate the clinical application of these techniques to enhance bone regeneration. Given the deficiency of comprehensive studies in the development in BTE, our review systematically introduces the new types of biomimetic and bifunctional scaffolds. We describe the cell sources, biology of seed cells, growth factors, vascular development, and the interactions of relevant molecules. Furthermore, we discuss the challenges and perspectives that may propel the direction of future clinical delivery in bone regeneration.

关键词： bone tissue engineering     stem cell     bone scaffold     growth factor     bone regeneration    

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间充质干细胞——新冠病毒肺炎相关急性呼吸窘迫综合征潜在的治疗选择

赵璇, 张毅

《工程（英文）》 2020年 第6卷 第10期   页码 1073-1075 doi: 10.1016/j.eng.2020.05.015

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Autologous bone marrow stem cell transplantation for the treatment of ulcerative colitis complicated

null

《医学前沿（英文）》 2016年 第10卷 第4期   页码 522-526 doi: 10.1007/s11684-016-0485-4

摘要：

Ulcerative colitis (UC) is a chronic inflammatory bowel disease with continuous or recurrent symptoms. A 42-year-old male patient with intermittent diarrhea accompanied by bloody mucopurulent stools was admitted to our hospital. The diagnosis of UC was confirmed by a combination of laboratory examination, colonoscopy, and histological assay. The patient developed herpes zoster in the hospital, which challenged traditional treatments. Therefore, we performed an autologous bone marrow cells to modulate the immune system with his permission. Autologous bone marrow mononuclear cells were collected and injected locally into the bowel mucosa, and subsequently injected systemically through a peripheral vein. After the patient underwent auto bone marrow mononuclear cells transplantations twice, the patient’s symptoms were alleviated. Furthermore, he recovered from hematochezia, and his hypersensitive C reactive protein decreased. Colonoscopy results showed reduced lesions and decreased areas with bleeding and edema in the sigmoid colon and rectum. No recurrence occurred in the subsequent two years, but long-time monitoring is still necessary for the prophylaxis of colorectal cancer.

关键词： autograft     bone marrow stem cells     ulcerative colitis     cell therapy    

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Machinability of ultrasonic vibration-assisted micro-grinding in biological bone using nanolubricant

《机械工程前沿（英文）》 2023年 第18卷 第1期 doi: 10.1007/s11465-022-0717-z

摘要： Bone grinding is an essential and vital procedure in most surgical operations. Currently, the insufficient cooling capacity of dry grinding, poor visibility of drip irrigation surgery area, and large grinding force leading to high grinding temperature are the technical bottlenecks of micro-grinding. A new micro-grinding process called ultrasonic vibration-assisted nanoparticle jet mist cooling (U-NJMC) is innovatively proposed to solve the technical problem. It combines the advantages of ultrasonic vibration (UV) and nanoparticle jet mist cooling (NJMC). Notwithstanding, the combined effect of multi parameter collaborative of U-NJMC on cooling has not been investigated. The grinding force, friction coefficient, specific grinding energy, and grinding temperature under dry, drip irrigation, UV, minimum quantity lubrication (MQL), NJMC, and U-NJMC micro-grinding were compared and analyzed. Results showed that the minimum normal grinding force and tangential grinding force of U-NJMC micro-grinding were 1.39 and 0.32 N, which were 75.1% and 82.9% less than those in dry grinding, respectively. The minimum friction coefficient and specific grinding energy were achieved using U-NJMC. Compared with dry, drip, UV, MQL, and NJMC grinding, the friction coefficient of U-NJMC was decreased by 31.3%, 17.0%, 19.0%, 9.8%, and 12.5%, respectively, and the specific grinding energy was decreased by 83.0%, 72.7%, 77.8%, 52.3%, and 64.7%, respectively. Compared with UV or NJMC alone, the grinding temperature of U-NJMC was decreased by 33.5% and 10.0%, respectively. These results showed that U-NJMC provides a novel approach for clinical surgical micro-grinding of biological bone.

关键词： micro-grinding     biological bone     ultrasonic vibration (UV)     nanoparticle jet mist cooling (NJMC)     grinding force     grinding temperature    

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Hybrid polymer biomaterials for bone tissue regeneration

Bo Lei, Baolin Guo, Kunal J. Rambhia, Peter X. Ma

《医学前沿（英文）》 2019年 第13卷 第2期   页码 189-201 doi: 10.1007/s11684-018-0664-6

摘要： Native tissues possess unparalleled physiochemical and biological functions, which can be attributed to their hybrid polymer composition and intrinsic bioactivity. However, there are also various concerns or limitations over the use of natural materials derived from animals or cadavers, including the potential immunogenicity, pathogen transmission, batch to batch consistence and mismatch in properties for various applications. Therefore, there is an increasing interest in developing degradable hybrid polymer biomaterials with controlled properties for highly efficient biomedical applications. There have been efforts to mimic the extracellular protein structure such as nanofibrous and composite scaffolds, to functionalize scaffold surface for improved cellular interaction, to incorporate controlled biomolecule release capacity to impart biological signaling, and to vary physical properties of scaffolds to regulate cellular behavior. In this review, we highlight the design and synthesis of degradable hybrid polymer biomaterials and focus on recent developments in osteoconductive, elastomeric, photoluminescent and electroactive hybrid polymers. The review further exemplifies their applications for bone tissue regeneration.

关键词： hybrid polymer     bone regeneration     tissue engineering     biomaterials    

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果蔬益生菌发酵技术及其产业化发展趋势 Review

关倩倩, 熊涛, 谢明勇

《工程（英文）》 2021年 第7卷 第2期   页码 212-218 doi: 10.1016/j.eng.2020.03.018

摘要：

本文简要介绍了现代人慢性疾病与肠道健康的关系，指出肠道菌群失调和膳食纤维摄入不足是慢性疾病发生的两大重要诱因。本文重点对益生菌发酵果蔬的研究现状、本团队在该领域取得的主要创新性成果以及相关产业未来发展趋势进行了综述。将益生菌发酵技术引入果蔬精深加工领域，开发益生菌发酵果蔬全新系列产品，不仅可以提高果蔬的附加值，还可将益生菌及其活性代谢产物与益生元（膳食纤维等）有机结合起来，对改善肠道健康、预防和缓解慢性疾病具有重要作用。果蔬益生菌发酵技术为益生菌影响人体健康的研究开辟了新思路，将为益生菌应用和果蔬加工新兴产业带来革命性影响，具有很大的市场潜力。

关键词： 益生菌     发酵果蔬     人体健康     慢性疾病预防    

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Progress of three-dimensional macroporous bioactive glass for bone regeneration

Lijun JI, Yunfeng SI, Ailing LI, Wenjun WANG, Dong QIU, Aiping ZHU

《化学科学与工程前沿（英文）》 2012年 第6卷 第4期   页码 470-483 doi: 10.1007/s11705-012-1217-1

摘要： Bioactive glasses (BGs) are ideal materials for macroporous scaffolds due to their excellent osteoconductive, osteoinductive, biocompatible and biodegradable properties, and their high bone bonding rates. Macroporous scaffolds made from BGs are in high demand for bone regeneration because they can stimulate vascularized bone ingrowth and they enhance bonding between scaffolds and surrounding tissues. Engineering BG/biopolymers (BP) composites or hybrids may be a good way to prepare macroporous scaffolds with excellent properties. This paper summarizes the progress in the past few years in preparing three-dimensional macroporous BG and BG/BP scaffolds for bone regeneration. Since the brittleness of BGs is a major problem in developing macroporous scaffolds and this limits their use in load bearing applications, the mechanical properties of macroporous scaffolds are particularly emphasized in this review.

关键词： bioactive glass     biopolymer     bone regeneration     macroporous scaffolds     tissue engineering    

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Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

《环境科学与工程前沿（英文）》 2009年 第3卷 第3期   页码 300-306 doi: 10.1007/s11783-009-0031-6

摘要： Since the solubilization of meat and bone meal (MBM) is a prerequisite in many MBM disposal approaches, enhancement of the solubilization by means of thermochemical pretreatment was investigated in this study at two temperatures (55°C and 131°C) and six sodium hydroxide (NaOH) concentrations (0, 1.25, 2.5, 5, 10 and 20g/L). The MBM volatile solid (VS) reduction ratio was up to 66% and 70% at 55°C and 131°C, respectively. At the same temperature, the VS reduction ratio increased with the increase in the dosage of NaOH. The study on the methane (CH) production potential of pretreated MBM shows that the addition of NaOH at 55°C did not cause the inhibition of the succeeding CH production process. However, CH production was inhibited by the addition of NaOH at 131°C. The CH production potential was in the range of 389 to 503mL CH/g VS MBM and 464 to 555mL CH/g VS MBM at 55°C and 131°C, respectively.

关键词： thermochemical pretreatment     meat and bone meal     solid reduction     solid solubilization     methane production potential    

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Bone metastasis of hepatocellular carcinoma: facts and hopes from clinical and translational perspectives

《医学前沿（英文）》 2022年 第16卷 第4期   页码 551-573 doi: 10.1007/s11684-022-0928-z

摘要： Patients with hepatocellular carcinoma (HCC) and bone metastasis (BM) suffer from greatly reduced life quality and a dismal prognosis. However, BM in HCC has long been overlooked possibly due to its relatively low prevalence in previous decades. To date, no consensus or guidelines have been reached or formulated for the prevention and management of HCC BM. Our narrative review manifests the increasing incidence of HCC BM to sound the alarm for additional attention. The risk factors, diagnosis, prognosis, and therapeutic approaches of HCC BM are detailed to provide a panoramic view of this disease to clinicians and specialists. We further delineate an informative cancer bone metastatic cascade based on evidence from recent studies and point out the main factors responsible for the tumor-associated disruption of bone homeostasis and the formation of skeletal cancer lesions. We also present the advances in the pathological and molecular mechanisms of HCC BM to shed light on translational opportunities. Dilemmas and challenges in the treatment and investigation of HCC BM are outlined and discussed to encourage further endeavors in the exploration of underlying pathogenic and molecular mechanisms, as well as the development of novel effective therapies for HCC patients with BM.

关键词： HCC     bone     osteotropism     clinical     basic researches     advances    

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标题 作者 时间 类型 操作

Primary cilia in hard tissue development and diseases

期刊论文

Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone

null

期刊论文

FGF13 suppresses acute myeloid leukemia by regulating bone marrow niches

期刊论文

FGF23 associated bone diseases

null

期刊论文

Potential functions of esophageal cancer-related gene-4 in the cardiovascular system

Rui Zhou, Yuanshu Liu, Wenjun Huang, Xitong Dang

期刊论文

Effect of laparoscopic fundoplication treatment on gastroesophageal reflux disease-related respiratory

Zhong-Gao WANG MD, FACS, Feng JI MD, PhD, Yun-Gang LAI MD, PhD, Xiang GAO MD, PhD, Cheng-Chao ZHANG MD, PhD, Ji-Min WU MD, PhD, Xiu CHEN MD, PhD, Ibrahim M. IBRAHIM MD, FACS,

期刊论文

Current advances for bone regeneration based on tissue engineering strategies

Rui Shi, Yuelong Huang, Chi Ma, Chengai Wu, Wei Tian

期刊论文

间充质干细胞——新冠病毒肺炎相关急性呼吸窘迫综合征潜在的治疗选择

赵璇, 张毅

期刊论文

Autologous bone marrow stem cell transplantation for the treatment of ulcerative colitis complicated

null

期刊论文

Machinability of ultrasonic vibration-assisted micro-grinding in biological bone using nanolubricant

期刊论文

Hybrid polymer biomaterials for bone tissue regeneration

Bo Lei, Baolin Guo, Kunal J. Rambhia, Peter X. Ma

期刊论文

果蔬益生菌发酵技术及其产业化发展趋势

关倩倩, 熊涛, 谢明勇

期刊论文

Progress of three-dimensional macroporous bioactive glass for bone regeneration

Lijun JI, Yunfeng SI, Ailing LI, Wenjun WANG, Dong QIU, Aiping ZHU

期刊论文

Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

期刊论文

Bone metastasis of hepatocellular carcinoma: facts and hopes from clinical and translational perspectives

期刊论文