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Autologous bone marrow concentrate (bmc) for the treatment of osteoarthritis (o.a) of the knee, hip, and shoulder in former n.f.l. players 自体骨髓浓缩物(bmc)治疗前nfl球员膝部、髋部及肩部骨关节炎(oa)
Pub Date : 2018-02-07 DOI: 10.15406/JSRT.2018.04.00106
K. Pettine, Richard K. Suzuki, M. Murphy, Kathryn Moncivais, Meghana Malur
Osteoarthritis (O.A) affects over 50 million Americans. This includes mostly O.A of the shoulder, hip, and knee. Shoulder osteoarthritis (O.A) has been demonstrated in cadaver and radiographic studies to affect up to 33% of patients over the age of 60 [1]. Patients with shoulder O.A have pain, crepitus, decreased ability to place their hand at a desired point in space and loss of motion, severely impairing activities of daily living. The nonsurgical treatments for shoulder O.A include the use of analgesics, non-steroidal anti-inflammatory medications, and shoulder exercises to maintain range of motion. The surgical treatment for shoulder O.A is total shoulder arthroplasty [1,2].
骨关节炎(oa)影响着超过5000万美国人。这主要包括肩部、髋关节和膝关节的损伤。肩骨关节炎(O.A)在尸体和放射学研究中已被证实影响到33%的60岁以上患者[1]。肩关节外伤性关节炎患者会出现疼痛、抖音、将手放在空间所需位置的能力下降和运动能力丧失,严重影响日常生活活动。肩关节关节炎的非手术治疗包括使用止痛药、非甾体类抗炎药物和肩部运动来保持活动范围。肩周炎的手术治疗是全肩关节置换术[1,2]。
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引用次数: 0
Stem cell therapy: in treatment of neurodegenerative diseases 干细胞疗法:神经退行性疾病的治疗
Pub Date : 2018-02-01 DOI: 10.15406/JSRT.2018.04.00105
S. K. Varma, K. MohsinaHyder, Swati Som, S. P. Dhanabal
Stem cells are undifferentiated cells that have the ability of proliferation, regeneration, conversion to differentiated cells and tissue production. Regeneration means that these cell shave the ability of asymmetric division, which one of the resulting cells remains as stem cell while another cell, which is called daughter cell, becomes one cell of germ layer. Stem cells may remain inactive for a long time till they enter cell division again [1,2]. Stem cells are divided into two groups: embryonic and adult stem cells. Embryonic stem cells are derived from the zygote cell which is fertilized in vitro and usually is 4-5 day embryo that is in the form of a hollow ball called blastocyst. A Blastocyst is composed of three parts: the trophoblast layer that is surrounding blastocyst, a hollow cavity inside the blastocyst and inner cell mass that changes in the embryo. Since zygote cells can differentiate into placenta and fetal cells, sometimes they are considered as the only true totipotent stem cells. Because the inner cell mass of the blastocyst does not have the ability to differentiate into placenta cells, it is called the pluripotent cell. Non-differentiated cells other than embryonic stem cells can be found in differentiated cells of specific tissues after birth. These cells are called adult or non-embryonic stem cells, but a more accurate word for them is “somatic stem cells” because these cells also exist in children and umbilical cord. They are divided into two main categories: hematopoietic stem cells that can differentiate into blood cells and mesenchymal stem cells that are less differentiated. Nose, muscle, liver, skin, brain, retina and limbus of the eye are the other sources of adult stem cells. One of the most important advantages of adult stem cells over embryonic stem cells is because of the fact that they can be obtained without the need for destruction of embryo [3]. Different types of stem cells are shown in Figure 1. The pluripotent stem cell differentiates into the multipotent cell of 3 different germ layers (ectoderm, mesoderm and endoderm layer). The multipotent cell differentiates into unipotent cell of a specific cell lineage within its germ layer. If differentiation process is successful, the resulting cells will be called as progenitor cells or stem cell-like cells that have the capability of regeneration [4,6]. Stem cell therapy has been evaluated in various blood diseases (such as lymphoblastic leukemia, myeloid leukemia, thalassemia, multiple myeloma, cell cycle anemia). The aim of this review is to evaluate cell therapy in different diseases.
干细胞是一种未分化的细胞,具有增殖、再生、转化为分化细胞和组织生成的能力。再生是指这些细胞去除不对称分裂的能力,其中一个细胞保留为干细胞,而另一个细胞称为子细胞,成为胚层细胞。干细胞可能在很长一段时间内保持不活跃状态,直到它们再次进入细胞分裂[1,2]。干细胞分为两类:胚胎干细胞和成体干细胞。胚胎干细胞来源于体外受精的受精卵细胞,通常是4-5天的胚胎,以囊胚中空球体的形式存在。胚泡由三部分组成:胚泡周围的滋养层、胚泡内部的中空腔和胚胎中变化的内细胞团。由于受精卵细胞可以分化为胎盘细胞和胎儿细胞,有时它们被认为是唯一真正的全能干细胞。由于囊胚内的细胞群不具备向胎盘细胞分化的能力,因此被称为多能细胞。出生后,在特定组织的分化细胞中可以发现除胚胎干细胞以外的未分化细胞。这些细胞被称为成体或非胚胎干细胞,但更准确的说法是“体细胞干细胞”,因为这些细胞也存在于儿童和脐带中。它们主要分为两大类:可分化为血细胞的造血干细胞和分化程度较低的间充质干细胞。鼻子、肌肉、肝脏、皮肤、大脑、视网膜和眼缘是成体干细胞的其他来源。与胚胎干细胞相比,成体干细胞最重要的优势之一是它们可以在不破坏胚胎的情况下获得[3]。不同类型的干细胞如图1所示。多能干细胞分化为3种不同胚层(外胚层、中胚层和内胚层)的多能细胞。多能细胞在其胚层内分化为具有特定细胞系的单能细胞。如果分化过程成功,生成的细胞被称为祖细胞或具有再生能力的干细胞样细胞[4,6]。干细胞治疗已在各种血液疾病(如淋巴细胞白血病、髓性白血病、地中海贫血、多发性骨髓瘤、细胞周期贫血)中得到评估。本文综述的目的是评价细胞治疗在不同疾病中的作用。
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引用次数: 0
Topiramate induced lithium toxicity 托吡酯诱导锂毒性
Pub Date : 2018-02-01 DOI: 10.15406/JSRT.2018.04.00104
Afaque H Khan
Numerous studies have described that mechanism of action of Topiramate has wide spectrum pharmacological properties. He has been used as mood stabilizers in bipolar and schizoaffective disorder, anorexia bulimia, epilepsy, migraine, essential tremors and cluster headache. It is also effective in treatment resistant bipolar disorder by augmentation of effects of lithium. It has been reported in recent literature that topiramate also use in binge eating disorder (BED) and for weight loss [1]. Topiramate reduces the frequency of the voltage sensitive sodium channels and play a key role in treatment of epilepsy. Topiramate potentiates the effects of inhibitory effects of Gama amino butyric acid-A in the brain. Topiramate has been also found, enhance the effects of Gaba stimulated chloride influx in cerebral which also increase frequency of activation of Gaba-A receptor in brain and exhibits an anticonvulsants action. Topiramate is also known to have inhibitory action on excitatory pathways of AMPA and glutamate receptors and contributes as an anticonvulsant agent. TPM also inhibits high voltage activated calcium channels and decrease their neurotransmitter release and inhibit calcium dependent second messenger system. TPM also has inhibitory action at carbonic anhydrate at proximal tubular level. TPM has been considered weak CAinhibitor and this property has no therapeutic values in treatment of epilepsy and other conditions. This action determines some of its side effects such as hyponatremia, metabolic acidosis and increase risk of nephrolithiasis [2].
大量研究表明托吡酯的作用机制具有广谱的药理特性。他被用作双相情感障碍和分裂情感障碍、厌食性贪食症、癫痫、偏头痛、原发性震颤和丛集性头痛的情绪稳定剂。它也是有效的治疗顽固性双相情感障碍通过增加锂的作用。最近有文献报道托吡酯也用于暴食症(BED)和减肥[1]。托吡酯降低电压敏感钠通道的频率,在癫痫治疗中发挥关键作用。托吡酯增强了γ氨基丁酸- a在大脑中的抑制作用。还发现托吡酯能增强Gaba刺激氯离子流入大脑的作用,增加Gaba- a受体在大脑中的激活频率,并表现出抗惊厥作用。托吡酯也已知对AMPA和谷氨酸受体的兴奋通路有抑制作用,并作为抗惊厥剂起作用。TPM还能抑制高压激活的钙通道,减少其神经递质释放,抑制钙依赖性第二信使系统。TPM对近端小管水平的无水碳也有抑制作用。TPM一直被认为是弱抑制剂,这种特性在治疗癫痫和其他疾病方面没有治疗价值。这一作用决定了它的一些副作用,如低钠血症、代谢性酸中毒和增加肾结石的风险[2]。
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引用次数: 0
Engraftment of dopamine neuron precursor cells derived from adult mesenchymal stem cells: preliminary in vivo study 来源于成体间充质干细胞的多巴胺神经元前体细胞的植入:初步体内研究
Pub Date : 2017-11-10 DOI: 10.15406/jsrt.2017.03.00103
Judith Zavala, Demetrio Arcos, J. Cuevas, M. Gonzalez-Garza
Cell therapy has been proposed as an alternative for treatment of neurodegenerative disorder. Parkinson’s Diseases (PD) are caused by specific and selective loss of nigrostriatal dopaminergic neurons [1]. The possibility of replacing those cells has been explored through the transplantation of embryonic stem cells (ESCs), fetal stem cells, induced pluripotential stem cells (iPSCs), and mesenchymal stem cells (MSCs) in animal models and clinical trials [1,2]. The aim of this study was to explore the possibility of transplanting adult MSCs pre-differentiated into dopaminergic neurons and look for their capability to brain engraftment and the possible improvement of PD symptoms in a PD rat model.
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引用次数: 0
Fibroblast-like cells derived from ips cells of patients with the familial forms of parkinson’s disease can serve an effective feeder for derivation and cultivation of new ips cells lines 从家族型帕金森病患者的诱导多能干细胞中提取的成纤维细胞样细胞可作为诱导多能干细胞系衍生和培养的有效饲料
Pub Date : 2017-10-17 DOI: 10.15406/JSRT.2017.3.00102
E. Novosadova, E. S. Manuilova, E. Arsenyeva, V. Tarantul, S. Illarioshkin, I. Grivennikov
Generation of induced pluripotent stem cells (iPSC) is considered one of the major biological discoveries of the 21st century. IPSC were originally obtained in 2006-2007 by Japanese scientists first from mouse fibroblasts, and later from adult human fibroblasts [1,2]. IPSC have provided a unique platform for studying pathogenesis of different diseases and opened the door to their clinical application in regenerative medicine [2]. The employment of iPSC does not entail ethical issues, since adult human tissues are used just as a source for their generation. Regenerative medicine has great expectations for that particular cell type, since immune rejection represents one of the main complications in tissue and organ grafting.
诱导多能干细胞(iPSC)的产生被认为是21世纪生物学的重大发现之一。2006-2007年,日本科学家首先从小鼠成纤维细胞中获得IPSC,后来从成人成纤维细胞中获得IPSC[1,2]。IPSC为研究不同疾病的发病机制提供了独特的平台,为其在再生医学中的临床应用打开了大门[2]。iPSC的使用不涉及伦理问题,因为成人人体组织只是用作他们一代的来源。再生医学对这种特殊的细胞类型寄予厚望,因为免疫排斥反应是组织和器官移植的主要并发症之一。
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引用次数: 0
Mesenchymal stem cells derived from rat bone marrow (rbm msc): techniques for isolation, expansion and differentiation 大鼠骨髓间充质干细胞:分离、扩增和分化技术
Pub Date : 2017-10-10 DOI: 10.15406/JSRT.2017.03.00101
P. Sangeetha, K. MaitiS., D. Mohan, S. Shivaraju, R. Raguvaran, Malik Abu Rafee, Bindhuja Bv, Naveen Kumar, Raguvanshi Pds
In the past decade, the field of stem cells and cell-based therapies has undergone a remarkable evolution. The potential of stem cell to differentiate into various types of cells has revolutionized their use in clinics for the treatment of a variety of clinical conditions. Mesenchymal stem cells can be cultured and grown for many generations under appropriate conditions in the laboratory and still retain a stable morphology and chromosome complement [1]. Bone marrow obtained mesenchymal stem cells are the most studied stem cell type that is capable of differentiating into variety of cell lineages. Differences in differentiation ability to osteogenic, chondrogenic and adipogenic lineages of MSCs harvested from Murine species of various age groups and the number of passage of these cultured cells has been reported. Osteogenic and chondrogenic potential reduced with each and every age group and adipogenic differentiation ability reduced only in cells obtained from oldest donors [2]. The technique of bone marrow collection and stem cell culture vary for different species [3]. Culturing of rodent bone marrow derived stem cell is a little bit difficult when compared to its human counterpart [4]. Here we described a simple and easy technique of stem cells isolation and differentiation from adult Wistar rats.
在过去的十年中,干细胞和基于细胞的治疗领域经历了显著的发展。干细胞分化为各种类型细胞的潜力已经彻底改变了它们在临床治疗各种临床状况的应用。间充质干细胞可以在实验室条件下培养和生长许多代,并且仍然保持稳定的形态和染色体补体[1]。骨髓间充质干细胞是研究最多的干细胞类型,能够分化成多种细胞系。已经报道了从不同年龄组的小鼠物种中收获的MSCs向成骨、软骨和脂肪谱系的分化能力差异以及这些培养细胞的传代次数。成骨和成软骨潜能随各年龄组而降低,而成脂肪分化能力仅在年龄最大的供体细胞中降低。不同物种的骨髓采集和干细胞培养技术各不相同。与人类骨髓干细胞相比,培养啮齿动物骨髓干细胞有点困难。在这里,我们描述了一种简单易行的成年Wistar大鼠干细胞分离和分化技术。
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引用次数: 17
Recent advances in induced pluripotent stem cell (ipsc) based therapeutics 基于诱导多能干细胞(ipsc)的治疗方法的最新进展
Pub Date : 2017-09-14 DOI: 10.15406/JSRT.2017.03.00100
Santosh Gupta, Vineeta Sharma, R. Verma
Abbreviations: iPSC, induced pluripotent stem cells; ESC, embryonic stem cells; SCNT, somatic cell nuclear transfer; TFs, transcription factors; Sox2, sex determining region y-box 2; Klf4, krueppel-like factor 4; Utf1, undifferentiated embryonic cell transcription factor 1; Sall4, sal-like protein 4; hTERT, telomerase reverse transcriptase; HAT, histone acetyltransferase; CBP, creb binding protein; MSC, mesenchymal stem cells; PDAC, pancreatic cancer cell model; BMEC, brain micro vascular endothelial cells; HD, huntington disease
缩写:iPSC,诱导多能干细胞;胚胎干细胞;体细胞核移植;转录因子;Sox2,性别决定区y-box 2;Klf4, krueppel-like factor 4;Utf1,未分化胚胎细胞转录因子1;Sall4,盐样蛋白4;端粒酶,逆转录酶;HAT,组蛋白乙酰转移酶;creb结合蛋白;间充质干细胞;PDAC,胰腺癌细胞模型;BMEC,脑微血管内皮细胞;亨廷顿舞蹈症
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引用次数: 5
Stem cell therapy: an adjunct in the treatment of mdr tuberculosis 干细胞疗法:一种治疗耐多药结核病的辅助疗法
Pub Date : 2017-09-07 DOI: 10.15406/JSRT.2017.03.00099
Kamal Uddin Zaidi, F. Khan, V. Thawani
Tuberculosis (TB) is one of the most ancient diseases of mankind and has co-evolved with humans for several million years [1]. There are also evidences of the presence of the disease in pre-historic Asia, but it was only towards the end of 19th century that the peaks of incidence were observed in India and China [2]. Modern approach for diagnosis and treatment of TB is complicated. Specific perceptive of pathogenesis of TB is still unknown [3]. Furthermore, HIV co-infection substantially increases the risk of progression from latent TB to active TB and is the leading cause of mortality in HIV infected person in India [4,5].
结核病(TB)是人类最古老的疾病之一,与人类共同进化了数百万年[1]。也有证据表明该疾病在史前亚洲存在,但直到19世纪末,在印度和中国才观察到发病率高峰[2]。结核病的现代诊断和治疗方法是复杂的。对结核病发病机制的具体认识尚不清楚[3]。此外,HIV合并感染大大增加了潜伏性结核病向活动性结核病发展的风险,并且是印度HIV感染者死亡的主要原因[4,5]。
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引用次数: 1
Functions and dysfunctions of neuroplastin65 in the nervous system 神经可塑性蛋白65在神经系统中的功能和功能障碍
Pub Date : 2017-09-05 DOI: 10.15406/jsrt.2017.03.00098
Q. Yuan, Huanhuan Li
Cell adhesion molecules (CAMs) have essential roles in forming functional networks in the nervous system. CAMs can be classified into several families including immunoglobulin super family (IgSF), cadherin family, integrins and selections [1]. Neuroplastins are transmembrane glycoprotein’s that belong to IgSF. Neuroplastin65 (NP65) and neuroplastin55 (NP55) are produced by NPTN gene by alternative splicing [2]. NP55 is widely distributed in various tissues. However, NP65 is restrictively expressed in the nervous system.
细胞粘附分子(CAMs)在神经系统功能网络的形成中起着重要作用。CAMs可分为免疫球蛋白超家族(immunoglobulin super family, IgSF)、钙粘蛋白家族(cadherin family)、整合素和选择蛋白等几个家族[1]。神经质体是属于IgSF的跨膜糖蛋白。neuroplasin65 (NP65)和neuroplasin55 (NP55)是由NPTN基因通过选择性剪接产生的[2]。NP55广泛分布于各种组织中。然而,NP65在神经系统中是限制性表达的。
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引用次数: 0
Gender, age and differences in stem cell expression and efficacy 性别、年龄与干细胞表达和疗效的差异
Pub Date : 2017-09-01 DOI: 10.15406/jsrt.2017.3.00097
J. K. Williams, S. Mariya, I. Suparto
Submit Manuscript | http://medcraveonline.com examples of age and gender differences in the risk of chronic conditions such as heart disease, osteoporosis and urogenital dysfunction. There are also differences in the ability of different genders and ages to respond to treatments. It stands to reason there may be age and gender differences in their ability to regenerate tissues in response to cell therapy. This review will address the evidence for and against these potential differences.
提交稿件| http://medcraveonline.com年龄和性别在心脏病、骨质疏松症和泌尿生殖功能障碍等慢性疾病风险中的差异。不同性别和年龄对治疗的反应能力也存在差异。有理由认为,他们对细胞治疗的组织再生能力可能存在年龄和性别差异。本综述将讨论支持和反对这些潜在差异的证据。
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引用次数: 2
期刊
Journal of stem cell research & therapeutics
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