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The Calamitous Contagion-Malignant Otitis Externa 灾难性的传染性恶性外耳炎
Pub Date : 2022-01-24 DOI: 10.31031/nacs.2022.06.000647
Anu Bajaj
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引用次数: 0
Curing Incurable Cancer 治愈不可战胜的癌症
Pub Date : 2021-12-20 DOI: 10.31031/nacs.2021.06.000645
D. Dix
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引用次数: 0
Implications of Network Biology in the Understanding and Therapy of Cancer 网络生物学在癌症认识和治疗中的意义
Pub Date : 2021-12-16 DOI: 10.31031/nacs.2021.06.000644
Ovidiu Farc
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引用次数: 0
Mini Review: Hyperthermia Treatment for Bone Cancers 小型综述:骨癌的热疗治疗
Pub Date : 2021-12-08 DOI: 10.31031/nacs.2021.06.000643
O. Bretcanu
Bone is one of the most common sites for metastasis. Approximately 350,000 people die in the United States every year from bone metastases [1]. The most common site of bone metastases is the axial skeleton, with the lumbar region being the most frequently impacted site [2]. Bone cancer can lead to bone pain, hypercalcemia, spinal cord compression and bone fracture, decreasing the quality of life of cancer patients [3]. The most common treatments for bone cancers are surgical resection, radiotherapy and chemotherapy. Hyperthermia is another type of cancer treatment that is generally used for advanced cancers, in combination with radiotherapy or chemotherapy. Clinical trials have shown that hyperthermia reduces the size of tumours, enhancing the effect of radiation or anticancer drugs [4]. Hyperthermia affects both molecular and cellular levels. Alterations to the cytoskeleton and the cell membrane, as well as impairment of protein, Ribonucleic Acid (RNA) and Deoxyribonucleic Acid (DNA) synthesis, inhibition of DNA repair enzymes, altered gene expression and protein denaturation, unfolding and aggregation [5-7] are all changes caused by hyperthermia.
骨是最常见的转移部位之一。美国每年约有35万人死于骨转移[1]。骨转移最常见的部位是轴骨,腰椎区域是最常见的受累部位[2]。骨癌症可导致骨痛、高钙血症、脊髓压迫和骨折,降低癌症患者的生活质量[3]。骨癌最常见的治疗方法是手术切除、放疗和化疗。热疗是另一种癌症治疗方法,通常用于晚期癌症,与放疗或化疗相结合。临床试验表明,热疗可以缩小肿瘤的大小,增强辐射或抗癌药物的作用[4]。热疗影响分子和细胞水平。细胞骨架和细胞膜的改变,以及蛋白质、核糖核酸(RNA)和脱氧核糖核酸(DNA)合成的损伤,DNA修复酶的抑制,基因表达的改变和蛋白质变性、去折叠和聚集[5-7]都是高温引起的变化。
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引用次数: 0
Psycho Neuroendocrino Immune (PNEI) Therapy of Cancer Beyond Melatonin 除褪黑激素外癌症的心理-神经内分泌免疫(PNEI)治疗
Pub Date : 2021-11-30 DOI: 10.31031/nacs.2021.06.000641
P. Lissoni
Between the two opposite conditions of curative and palliative therapy of cancer, it has been recently demonstrated the possibility of a third way of treatment, consisting of the administration of natural nontoxic anticancer molecules drawn from the vegetal world or human body itself. At present, the main investigated anticancer natural molecule consists of Melatonin (MLT), which is present in both plants and the human body, where it is mainly released from the pineal gland according to a circadian rhythm, with a high production during night and low levels during the day [1]. In fact, it has been known for more than 50 years that the pineal gland MLT plays an anticancer action. Experimental conditions have shown that pinealectomy enhances the frequency of both spontaneous and carcinogen-induced tumor development. MLT exerts an anticancer action through at least three fundamental mechanisms, consisting of direct antiproliferative cytotoxic action, antiangiogenic activity and stimulation of the anticancer immunity [2], which is mainly mediated by IL-2 [3] and IL-12 [4], and suppressed by TGF-beta [5], IL-17 [6] and other inflammatory cytokines [7]. Studies have demonstrated that MLT is not the only anticancer principle of the pineal gland, since MLT alone has appeared to reduce, but not completely abolish the pro-tumoral effect of pinealectomy [8]. In fact, at least another indole hormone, the 5-Metoxytryptamine (5MTT) [9] and several beta-carbolines, such as 6-methoxy-1,2,3,4-tetra-hydro-beta-carboline, the so-called pinealine [10], have appeared to exert important antitumor activities. However, Abstract
在癌症的两种相反的治疗和姑息治疗条件之间,最近已经证明了第三种治疗方法的可能性,包括施用从植物世界或人体本身提取的天然无毒抗癌分子。目前,主要研究的抗癌天然分子由褪黑素(MLT)组成,它存在于植物和人体中,主要根据昼夜节律从松果体释放,夜间产量高,白天含量低[1]。事实上,50多年前就已经知道松果体MLT具有抗癌作用。实验条件表明,松果体切除术提高了自发和致癌物诱导的肿瘤发展的频率。MLT通过至少三种基本机制发挥抗癌作用,包括直接抗增殖细胞毒性作用、抗血管生成活性和刺激抗癌免疫[2],其主要由IL-2[3]和IL-12[4]介导,并由TGF-β[5]、IL-17[6]和其他炎性细胞因子抑制[7]。研究表明,MLT并不是松果体的唯一抗癌原理,因为单独的MLT似乎可以减少但并不能完全消除松果体切除术的促肿瘤作用[8]。事实上,至少另一种吲哚激素,5-甲氧基色胺(5MTT)[9]和几种β-卡波林,如6-甲氧基-1,2,3,4-四氢-β-卡波林,即所谓的松果体[10],似乎发挥了重要的抗肿瘤活性。然而,摘要
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引用次数: 0
Development of Palliative Care: The Current Situation in Saudi Arabia 姑息治疗的发展:沙特阿拉伯的现状
Pub Date : 2021-11-10 DOI: 10.31031/nacs.2021.06.000640
S. Alshammary
Palliative care is a specialty of its own consisting of comprehensive multidisciplinary healthcare delivery to patients with a wide range of life-threatening and life-shortening diseases, including cancer. Its primary goal is to relieve symptoms of suffering such as physical pain, psychosocial and spiritual problems that affect the quality-of-life for patients as well as their families. Palliative care has a vital role in providing comfort to patient and family during active interventions like chemotherapy and radiation therapies [1]. The palliative care service in Saudi Arabia started over three decades ago at the King Faisal Specialist Hospital and Research Centre (KFSH&RC) in Riyadh by Dr. Isbister [2]. Since then, the specialty has slowly expanded. Real changes came about in 2016 when the Ministry of Health (MOH) launched the Palliative Care/Last Phase Initiative as part of the Transformation of Healthcare Vision 2030 [3]. By 2030, the Cancer care in Saudi Arabia is expected to grow by five to 10-fold. This prediction is defined by the changing demographics, with the age group most affected by cancer being the middle-aged and elderly [1]. The palliative care community in Saudi Arabia saw this as a great opportunity to develop the specialty on a national scale. The process of the development of Palliative Care/ last phase interventions was a long and meticulous one and has been very successful.
姑息治疗本身是一门专业,包括向患有各种危及生命和缩短生命的疾病(包括癌症)的患者提供综合多学科医疗保健服务。其主要目标是减轻痛苦的症状,如影响患者及其家属生活质量的身体疼痛、社会心理和精神问题。在化疗和放疗等积极干预期间,姑息治疗在为患者和家属提供安慰方面发挥着至关重要的作用。三十多年前,沙特阿拉伯的姑息治疗服务在利雅得的费萨尔国王专科医院和研究中心(KFSH&RC)由Isbister[2]博士开创。从那时起,这一特色就慢慢扩大了。2016年,作为《2030年医疗保健转型愿景》的一部分,卫生部启动了《缓和医疗/最后阶段倡议》,真正的变化出现了。到2030年,沙特阿拉伯的癌症治疗预计将增长5到10倍。这一预测是由不断变化的人口统计数据决定的,受癌症影响最大的年龄组是中老年人。沙特阿拉伯的姑息治疗社区认为这是在全国范围内发展这一专业的绝佳机会。姑息治疗/最后阶段干预的发展过程是一个漫长而细致的过程,并且非常成功。
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引用次数: 3
Dendrimer-Based Nanomedicine (Paramagnetic Nanoparticle, Nanocombretastatin, Nanocurcumin) for Glioblastoma Multiforme Imaging and Therapy 树突基纳米药物(顺磁性纳米粒子、纳米合成素、纳米姜黄素)用于多形性胶质母细胞瘤的成像和治疗
Pub Date : 2021-10-20 DOI: 10.31031/nacs.2021.06.000639
Stephen Brown, J. Snyder, Meser M. Ali
In brain tumors, delivering nanoparticles across the blood-brain tumor barrier presents a major challenge. Dual mode magnetic resonance imaging and fluorescent imaging probes have been developed where relaxation based Gd-DOTA or ParaCEST agents and a Near-Infrared (NIR) fluorescent dye, DL680 were conjugated on the surface of dendrimer. The in vivo and ex vivo imaging of the dual-modality contrast agent showed excellent potential utility for identifying the location of glioma tumors. Systemic delivery of the subsequent nano-sized agent demonstrated glioma-specific accumulation, probably due to the enhanced permeability and retention effect. The biodistribution studies revealed the G5 agents have accumulated in the glioma tumor and the liver while a G3 agent only accumulated in the brain tumor but not in the liver or kidney. Hydrophobic drug molecules like Combrestatin A4 (CA4) or curcumin have also been conjugated with dendrimers that provided high aqueous solubility with improved therapeutic effect.
在脑肿瘤中,通过血脑肿瘤屏障递送纳米颗粒是一项重大挑战。已经开发了双模磁共振成像和荧光成像探针,其中将基于弛豫的Gd-DOTA或ParaCEST试剂和近红外(NIR)荧光染料DL680偶联在树枝状聚合物的表面上。双模态造影剂的体内和离体成像显示出用于识别神经胶质瘤肿瘤位置的极好的潜在用途。随后的纳米制剂的系统递送显示了胶质瘤特异性积聚,可能是由于增强了渗透性和滞留效应。生物分布研究表明,G5试剂已在神经胶质瘤和肝脏中积累,而G3试剂仅在脑肿瘤中积累,但未在肝脏或肾脏中积累。疏水性药物分子如Combrestatin A4(CA4)或姜黄素也已与树枝状大分子偶联,其提供高水溶性并改善治疗效果。
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引用次数: 3
Prognostic Value of PRISMA-7 Score for Frail Elderly Patients with Advanced Pancreatic Adenocarcinoma PRISMA-7评分对老年体弱晚期胰腺癌患者的预后价值
Pub Date : 2021-10-11 DOI: 10.31031/nacs.2021.06.000638
Salah Mabrouk Khallaf
Finding the prognostic factors for this dismal disease is still challenging, especially for elderly patients. Patient age [1,2], performance status [1], blood neutrophil-lymphocyte ratio [3], Plasma Chromogranin A [4], frailty index [5] are documented as prognostic factors for outcome of the patients with advanced pancreatic cancer. Data about elderly patients in these trials is limited. We present our practice regarding the importance of frailty index called PRISMA7 (Program of Research to Integrate the Services for the Maintenance of Autonomy-7) score for prognostic stratification of elderly patients with advanced pancreatic cancer. It was highly significant prognostic factor for those patients.
寻找这种令人沮丧的疾病的预后因素仍然具有挑战性,特别是对老年患者。患者年龄[1,2]、运动状态[1]、血液中性粒细胞-淋巴细胞比值[3]、血浆嗜铬粒蛋白A[4]、衰弱指数[5]被认为是影响晚期胰腺癌预后的因素。这些试验中有关老年患者的数据是有限的。我们介绍了我们的实践,关于称为PRISMA7(研究计划整合服务维持自主-7)评分的衰弱指数对老年晚期胰腺癌患者预后分层的重要性。对于这些患者来说,这是非常重要的预后因素。
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引用次数: 0
CXC Chemokine Ligand 16 Promotes the Proliferation and Migration of Hodgkin and Reed-Sternberg Cells Via the PI3K/Akt/NF-κB Signaling Pathway CXC趋化因子配体16通过PI3K/Akt/NF-κB信号通路促进霍奇金和Reed-Sternberg细胞增殖和迁移
Pub Date : 2021-09-08 DOI: 10.31031/nacs.2021.06.000635
Yang Xun, Hongping Tang, Y. Pan, D. Shen, Hua Yang, Yijun Liang, Rui-xue Wang, Lixia Fan, Hui Liu, Yilong Ai, Dahai Liu, Fang Liu
Hodgkin’s Lymphoma (HL) is a main type of lymphoma characterized by Hodgkin’s Reed-Sternberg(H/RS) cells, which involves in many cytokines and chemokines. CXC Chemokine Ligand 16 (CXCL16) was reported to be expressed in various cancer types and was previously observed by our group to highly express in H/RS cells, yet the function and mechanism of CXCL16, as well as soluble CXCL16 (sCXCL16) on the phenotypes of HRS cells needs to be fully elucidated. To investigate the effects of CXCL16 on cell proliferation, migration, cell cycle, apoptosis, and immune-phenotypes of H/RS cells, an H/RS cell line (L428) transfected with CXCL16-overexpressed lentivirus vector was established and identified; besides, recombinant sCXCL16 was also applied on L428 cell lines in the present study. Results showed that both endogenously overexpressed CXCL16 and exogenously applied recombinant sCXCL16 protein were able to promote the proliferation and migration of L428 cells, and diminished cell apoptosis, while the immune phenotypes of L428 cells showed no significant changes. Blocking the interaction between the ligand CXCL16 and its unique receptor CXCR6 with antibody suppressed the above effects. As the pathways involved were concerned, results showed that CXCL16 upregulated the expression of several phosphorylated proteins of the PI3K/Akt and NF-κB signaling pathways, which were markedly inhibited by PI3K inhibitor LY294002 or CXCR6 antibody. The present study suggests that CXCL16 promotes the proliferation and migration of H/RS cell through its receptor CXCR6. The mechanism may involve activation of the PI3K/Akt/NF-κB signaling pathways.
霍奇金淋巴瘤(Hodgkin 's Lymphoma, HL)是一种以霍奇金Reed-Sternberg(H/RS)细胞为主要特征的淋巴瘤,涉及多种细胞因子和趋化因子。据报道,CXC趋化因子配体16 (CXCL16)在多种癌症类型中均有表达,本课组此前观察到CXCL16在H/RS细胞中有高表达,但CXCL16及其可溶性CXCL16 (sCXCL16)对HRS细胞表型的作用和机制尚待充分阐明。为了研究CXCL16对H/RS细胞增殖、迁移、细胞周期、凋亡和免疫表型的影响,建立了转染过表达CXCL16慢病毒载体的H/RS细胞株L428;此外,本研究还将重组sCXCL16应用于L428细胞系。结果表明,内源性过表达CXCL16和外源性应用重组sCXCL16蛋白均能促进L428细胞的增殖和迁移,减少细胞凋亡,而L428细胞的免疫表型无明显变化。用抗体阻断配体CXCL16与其独特受体CXCR6的相互作用可抑制上述作用。结果显示,CXCL16上调了PI3K/Akt和NF-κB信号通路中几种磷酸化蛋白的表达,这些磷酸化蛋白被PI3K抑制剂LY294002或CXCR6抗体显著抑制。本研究提示CXCL16通过其受体CXCR6促进H/RS细胞的增殖和迁移。其机制可能涉及PI3K/Akt/NF-κB信号通路的激活。
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引用次数: 0
Genomic Medicine: Using Genetic Make-up of the Human Genome, AZQ was Designed to Treat Glioblastoma, the Brain Tumor 基因组医学:利用人类基因组的基因组成,AZQ被设计用于治疗胶质母细胞瘤,即脑肿瘤
Pub Date : 2021-08-18 DOI: 10.31031/nacs.2021.06.000634
Hameed Khan
I work on human Brain. The most complex organ in the Universe. I design drugs to treat Brain Cancer. Our Brain is a three-pound flesh that you can hold in the palm of your hand. It can contemplate the vast distances among billions of Galaxies across Universe; It can contemplate the concept of Infinity. It convinces us to believe in existence or non-existence of God. It questions our Ethics; our Morality, our Altruism and our Free-will. It is only a three-pound flesh and yet it can contemplate itself contemplating the meaning of life, asking questions. Questions like; Who are we? Where have we all come from? What was it that made us this way? How this Universe began? Why is it expanding at an accelerating speed? How is it likely to end? Are we alone in the entire Universe or there are other creatures who live in deep dark space of this vast Universe who may or may not look like us?
我研究人脑。宇宙中最复杂的器官。我设计了治疗癌症的药物。我们的大脑是一块三磅重的肉,你可以把它放在手掌里。它可以想象宇宙中数十亿星系之间的巨大距离;它可以思考无限的概念。它使我们相信上帝的存在或不存在。它质疑我们的道德;我们的道德,我们的利他主义和我们的自由意志。它只有三磅重的肉,但它可以思考生命的意义,提出问题。问题如:;我们是谁?我们都是从哪里来的?是什么让我们走上了这条路?这个宇宙是如何开始的?为什么它在加速膨胀?它可能如何结束?在整个宇宙中,我们是孤独的,还是生活在这个广阔宇宙的黑暗深处的其他生物可能长得像我们,也可能长得不像我们?
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引用次数: 1
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Novel approaches in cancer study
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