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Targeted Cancer Therapy: Tyrosine Kinase Inhibitors 靶向癌症治疗:酪氨酸激酶抑制剂
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1081737
Serhan Küpeli
Cancers generally contain multiple genetic and epigenetic abnormalities, but several key genes maintain the malignant phenotype and cellular survival. Tyrosine kinases are often involved in the cellular response with growth factors, cytokines, and hormones. These molecules are responsible for tumor growth by various mechanisms. It is thought that tyrosine kinase inhibitors may have a wide range of therapeutic efficacy. Significant response rates could not be obtained in phase 1 studies with any of the agents in monotherapy, and other options are being investigated by administering high doses in short periods and combining drugs that may affect different pathways.
癌症通常包含多种遗传和表观遗传异常,但几个关键基因维持恶性表型和细胞存活。酪氨酸激酶经常参与细胞对生长因子、细胞因子和激素的反应。这些分子通过各种机制负责肿瘤的生长。人们认为酪氨酸激酶抑制剂可能具有广泛的治疗效果。在单药治疗的1期研究中,没有任何一种药物获得显著的反应率,其他选择正在研究中,即在短时间内给予高剂量和联合使用可能影响不同途径的药物。
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引用次数: 0
Stem cells; Definition and General Properties, Usage Areas, History, Surface Markers 干细胞;定义和一般属性,使用区域,历史,表面标记
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1063647
M. Avci
Stem cells, which have a history of more than a century, continue to be the subject of research for the treatment of many diseases today. Stem cells, which are also the focus of attention in regenerative medicine; It has long-term divisibility, self-renewal and differentiation properties. There are two different types of division in stem cells: symmetrical and asymmetrical cell division. Stem cells are cells that can divide for a long time, unlike normal cells, because they can complete their telomeres. The diversity of surface markers used for the detection of stem cells and the existence of common markers are valid for tissue-specific cancer stem cells. The purpose of this compilation study; the aim is to gather information about the definition and general characteristics of stem cells, their areas of use, history and surface markers under the main headings and make them available to researchers.
干细胞已有一个多世纪的历史,今天仍是许多疾病治疗的研究对象。干细胞,这也是再生医学关注的焦点;它具有长期可分、自我更新和分化的特性。干细胞有两种不同的分裂方式:对称分裂和不对称分裂。与正常细胞不同,干细胞是可以长时间分裂的细胞,因为它们可以完成端粒。用于检测干细胞的表面标记的多样性和共同标记的存在对组织特异性癌症干细胞是有效的。本编制研究的目的;其目的是在主要标题下收集有关干细胞的定义和一般特征、使用领域、历史和表面标记的信息,并将其提供给研究人员。
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引用次数: 0
Neonatal Polycythemia and Hyperviscosity Syndrome 新生儿红细胞增多症和高黏度综合征
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1071087
Sarkhan Elbayiyev, U. Çakır
Neonatal polisitemi yenidoğan bebeklerde sıklıkla karşılaşılan klinik bir tablodur. Erişkin hematokrit değerinden fizyolojik olarak daha yüksek değerlerde doğan yenidoğan bebeklerin polisitemi tanımı iyi bilinmesine rağmen hangi hematokrit değerinde nasıl tedavi edileceği konusu belirsizliğini korumaktadır. Polisiteminin hafif klinik semptomlarına ek olarak santral sinir sisteminde infarkta kadar ağır komplikasyonlara neden olduğu düşünüldüğünde bu konuda hazırlanmış güncel yaklaşım kılavuzlarına ihtiyaç vardır. Bu derlemede neonatal polisitemiye yaklaşım güncel verilere dayanarak hazırlanmıştır.
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引用次数: 0
The Effect of Microplastics on Living Things 微塑料对生物的影响
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1058792
A. Pekmezekmek
Our oceans and seas have been polluted with plastics for nearly 60 years. The increase in plastic consumption all over the world, the possibility of plastics remaining in the environment for hundreds of years without decomposing, the decomposition of plastics into smaller pieces, the detection of organisms at all levels of the marine food chain, and the possibility of human exposure to microplastics through food increase the awareness on this issue day by day. With the introduction of microplastics and nanoplastics, scientists have started to work on this pollution in water, especially since 2010. The common view is that the impact of this type of pollution on the environment will increase and harm living things.
我们的海洋已经被塑料污染了近60年。全世界塑料消费量的增加,塑料可能在环境中存在数百年而不被分解,塑料被分解成更小的碎片,在海洋食物链的各个层面检测到生物,以及人类通过食物接触微塑料的可能性,这些都使人们对这个问题的认识日益增加。随着微塑料和纳米塑料的引入,科学家们开始研究水中的这种污染,尤其是自2010年以来。普遍的观点是,这类污染对环境的影响会增加,并危害生物。
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引用次数: 0
Effect of Artificial Sweeteners on Gut Microbiota in Mice and Rats: A Systematic Review of Randomized Controlled Studies 人工甜味剂对小鼠和大鼠肠道微生物群的影响:随机对照研究的系统综述
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1039222
E. Duman, Alev Keser, Selen Yilmaz Isikhan
It is a systematically examine of randomized controlled studies in mice and rats examining effects of artificial sweeteners on gut microbiota. Based on the PRISMA declaration, 4 databases were used, namely PubMed, Web of Science, EBSCOHost and Google Scholar, and a systematic search was conducted to identify randomized controlled studies on all rats and mice published between January 1, 2000-December 31, 2020. Studies using advantam, acesulfame-K, aspartame, neotame, saccharine, cyclamate, and sucralose as artificial sweeteners are included. As a result of first screening, a total of 901 studies on mice and rats were obtained. Eleven randomized controlled trials that met the study objective and inclusion criteria were included in systematic review. Two of studies were carried out on rats and nine of them were performed on mice. No study with advantam and cyclamate meeting the inclusion criteria was found in literature. Due to small sample size, meta-analysis could not be performed. Although artificial sweeteners have an effect on intestinal microbiota in mice and rats, no clear evidence for its effect has been demonstrated. It is important to investigate how changes in gut microbiome affect human health, and therefore it is essential to increase number of randomized controlled clinical trials evaluating effect of artificial sweetener consumption on the microbiota.
这是一项系统的随机对照研究,在小鼠和大鼠中研究人工甜味剂对肠道微生物群的影响。基于PRISMA声明,使用PubMed、Web of Science、EBSCOHost和Google Scholar 4个数据库,系统检索2000年1月1日至2020年12月31日期间发表的所有大鼠和小鼠的随机对照研究。研究使用优势,安赛蜜- k,阿斯巴甜,纽甜,糖精,甜蜜素和三氯蔗糖作为人工甜味剂。通过首次筛选,共获得901项小鼠和大鼠研究。11项符合研究目的和纳入标准的随机对照试验纳入系统评价。其中两项研究是在大鼠身上进行的,九项是在小鼠身上进行的。文献中未见有本品和环己基氨基磺酸符合纳入标准的研究。由于样本量小,无法进行meta分析。虽然人造甜味剂对小鼠和大鼠的肠道微生物群有影响,但没有明确的证据证明其影响。研究肠道微生物群的变化如何影响人类健康是很重要的,因此有必要增加随机对照临床试验的数量,以评估食用人工甜味剂对微生物群的影响。
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引用次数: 0
Contribution of Hydrogen Sulfide to Physiological and Pathological Events and Clinical Use 硫化氢对生理和病理事件的贡献及其临床应用
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1066415
Kübra Gönbe, F. Aydinoglu, Nuran Öğülener
Hydrogen sulfide (H2S), synthesized by enzymatic or non-enzymatic means, is a third gas neurotransmitter similar to nitric oxide (NO) and carbon monoxide (CO). Enzymes responsible for their synthesis in the body are expressed in various tissues. H2S has many physiological effects such as anti-inflammatory, antiapoptotic, neuroprotective, gastroprotective, antispasmodic, cytoprotective antioxidant, a bronchodilator, blood pressure regulation. Also, it is known that H2S has a role in various pathological conditions such as hypertension, atherosclerosis, depression, asthma, chronic obstructive pulmonary disease (COPD), ulcer, erectile dysfunction, Alzheimer's, and Parkinson's disease. Considering its potential importance in physiopathological conditions, various drugs have been developed in combination with H2S-releasing aspirin and naproxen. In this context, some drugs with anti-inflammatory, analgesic, antioxidant, cytoprotective, and cardioprotective effects have been developed. ATB-346, GIC-1001, NBS-1120, SG-1002, AP-39, and MZe76 are among the candidate drugs. Phase studies of S-zofenopril have been completed. The realization of preclinical and clinical studies on the L-cysteine/H2S pathway is important physiologically, pathologically, and therapeutically, and the development of new drugs in this direction is considered to be promising for treatment approaches.
硫化氢(H2S)是第三种气体神经递质,类似于一氧化氮(NO)和一氧化碳(CO),可以通过酶促或非酶促方法合成。在体内负责它们合成的酶在各种组织中表达。H2S具有抗炎、抗凋亡、神经保护、胃保护、抗痉挛、细胞保护、抗氧化、支气管扩张、调节血压等多种生理作用。此外,已知H2S在高血压、动脉粥样硬化、抑郁症、哮喘、慢性阻塞性肺疾病(COPD)、溃疡、勃起功能障碍、阿尔茨海默病和帕金森病等各种病理状况中都有作用。考虑到其在生理病理条件下的潜在重要性,各种药物已与释放h2s的阿司匹林和萘普生联合开发。在此背景下,一些具有抗炎、镇痛、抗氧化、细胞保护和心脏保护作用的药物已经被开发出来。候选药物包括ATB-346、GIC-1001、NBS-1120、SG-1002、AP-39和MZe76。s -唑非普利的期研究已经完成。l -半胱氨酸/H2S通路的临床前和临床研究的实现在生理、病理和治疗上都具有重要意义,这一方向的新药开发被认为是有前景的治疗途径。
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引用次数: 0
Current Approach to Cancer Stem Cells 癌症干细胞的最新研究进展
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1088310
Tuğçe Sapmaz Erçakallı, S. Polat
Kanser Kök Hücreleri (KaKH), normal kök hücreler gibi kendi kendini yenileme ve farklılaşma yeteneğine sahip hücreler olup meme, beyin, akciğer, prostat, testis, over, yemek borusu, kolon, karaciğer gibi birçok dokuda bulunur. Kökenleri henüz keşfedilmemiştir, ancak bu konuda bir dizi hipotez öne sürülmüştür. KaKH tümörün başlangıcından sorumlu ve tümör dokusundaki çok sayıda farklılaşmış hücre topluluğunu oluşturan hücrelerdir. Her bir kanserin kök hücresini tanımlayan biyobelirteçler vardır. KaKH’lerin ve normal kök hücrelerin kendi kendini yenileme ve farklılaşmasında aynı özgü sinyal iletim sistemleri rol oynamaktadır. Fakat KaKH’lerde bu sinyal iletim sistemlerinin düzenlenmesi değişmektedir. KaKH'leri sadece kanserin yaratılmasında değil, evriminde, metastazında ve geç dönemde yeniden ortaya çıkmasında da rol oynamaktadır. MikroRNA'lar, Wnt/β-catenin, Notch ve Hedgehog gibi sinyal yolaklarından oluşan bir düzenleme ağı KaKH özelliklerini kontrol eder. KaKH'leri kanser tedavisinde, konvansiyonel kemoterapi ve radyasyon tedavisine karşı dirençte rol oynarak, kanser metastazının kökeni olarak değerlendirilebilir. KaKH'leri yeni kanser önleyici ilaç keşfi için tedavi protokollerinde hedef haline gelmiştir. Gelecekteki çalışmalar kanserin tedavisi için KaKH’leri hedef alan tedavilerin geliştirilmesine öncülük edecektir.
癌症干细胞(CSCs)是一种能够像正常干细胞一样自我更新和分化的细胞,存在于乳腺、脑、肺、前列腺、睾丸、卵巢、食道、结肠和肝脏等多种组织中。它们的起源尚未被发现,但已提出了一些假说。CaCSCs 是导致肿瘤发生的细胞,并在肿瘤组织中形成大量分化细胞群。有一些生物标志物可以确定每种癌症的干细胞。无细胞干细胞和正常干细胞的自我更新和分化过程中涉及相同的特定信号系统。然而,这些信号系统的调节在NSCs中发生了改变。间叶干细胞不仅在癌症的形成中发挥作用,而且在癌症的演变、转移和晚期复发中也发挥着作用。由微小RNA、Wnt/β-catenin、Notch和刺猬等信号通路组成的调控网络控制着KaKHs的特性。在癌症治疗中,KaKHs 可被视为癌症转移的起源,在传统化疗和放疗的抗药性中扮演着重要角色。KaKHs 已成为抗癌新药研发治疗方案的目标。未来的研究将开发出针对 KaKHs 的癌症治疗方法。
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引用次数: 0
Genetic Disorders Requiring Risk-Reducing Surgical Management in Our Gynecological Oncology Practice 在我们的妇科肿瘤实践中,遗传疾病需要降低风险的手术管理
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1059207
F. Kazancı, F. Sahin
Cancer occurs as a result of the mutations in genes that are responsible for cell development and DNA integrity. Mutations can occur in germ cells (germline) (GLM) as well as others (somatic) (SM). GLM are responsible for 5-10% of cancers. Early detection of GLMs is critical for identifying at-risk individuals, following up, and designing risk-reducing procedures. Furthermore, the detection of SM in tumor tissue has recently been used to determine the necessity for extra adjuvant and targeted therapy. Although familial clustering is observed in 10-30% of ovarian (OC) and breast (BC) cancer cases. GLM in the BRCA1/2, which cause DNA repair deficiencies, are responsible for 65-85% of genetic anomalies in hereditary OC. Risk-reducing mastectomy (RRM) reduces the risk of BC by about % 90-95 in cases with pathogenic mutations (PMs) in the BRCA1/2 genes, while risk-reducing salpingo-oophorectomy (RRSO) reduces the incidence of BC (%50 ) and OC(%70-96 ), as well as a decrease in overall cancer-specific mortality. Except for BRCA1/2, OC is caused by PMs in genes like RAD51C, RAD51D and BRIP1, which affect DNA repair process. RRSO is indicated among carriers of PMs in these genes. Lynch syndrome (LS) is associated with a higher risk of colorectal and endometrial cancer. After completing their fertility, hysterectomy and bilateral RRSO are recommended for carriers of PMs in the MLH1, MSH2, and MSH6 genes. Based on the most recent guidelines, our goal in this review is to highlight the genetic alterations that necessitate risk-reducing prophylactic surgical procedures, which are becoming more common in our gynecological oncology practice. 
癌症的发生是负责细胞发育和DNA完整性的基因突变的结果。突变可以发生在生殖细胞(种系)(GLM)以及其他(体细胞)(SM)。5-10%的癌症是由GLM引起的。早期发现GLMs对于识别高危个体、随访和设计降低风险的程序至关重要。此外,肿瘤组织中SM的检测最近被用来确定是否需要额外的辅助和靶向治疗。虽然在10-30%的卵巢癌(OC)和乳腺癌(BC)病例中观察到家族聚集性。BRCA1/2中的GLM导致DNA修复缺陷,导致65-85%的遗传性OC遗传异常。在BRCA1/2基因致病性突变(pm)的病例中,降低风险的乳房切除术(RRM)可将BC的风险降低约% 90- 95%,而降低风险的输卵管卵巢切除术(RRSO)可降低BC(%50)和OC(%70-96)的发病率,并降低总体癌症特异性死亡率。除BRCA1/2外,OC由RAD51C、RAD51D、BRIP1等基因中的pm引起,影响DNA修复过程。在这些基因的pm携带者中显示RRSO。Lynch综合征(LS)与结直肠癌和子宫内膜癌的高风险相关。对于MLH1、MSH2和MSH6基因的pm携带者,在完成生育后,建议进行子宫切除术和双侧RRSO。基于最新的指南,我们在这篇综述中的目标是强调需要降低风险的预防性外科手术的基因改变,这在我们的妇科肿瘤学实践中变得越来越普遍。
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引用次数: 0
Kronik Obstrüktif Akciğer Hastalığında Noktürnal Noninvaziv Pozitif Basınçlı Ventilasyon
Pub Date : 2022-06-30 DOI: 10.17827/aktd.1079923
Özlem Özkan Kuşcu, Pınar Ergenoğlu
Chronic Obstructive Pulmonary Disease is characterized as a progressive and irreversible inflammatory response in the airways and alveoli because of exposure to noxious particles or gases. Excessive inflammation causes progressive, persistent, and not fully reversible structural changes and airflow limitation. Although COPD is a significant public health problem, diagnosis and treatment stages need to be improved.Nocturnal Noninvasive Positive Pressure Ventilation is one of the treatment modalities of choice for COPD exacerbation, and the role and benefits of NPPV in COPD exacerbation are well defined, but the use of nocturnal NPPV on stable severe COPD individuals is controversial, and the evidence is not sufficient yet. This review evaluates the effects of nocturnal NPPV on stable COPD patients.
慢性阻塞性肺疾病的特征是由于暴露于有害颗粒或气体而在气道和肺泡中发生进行性和不可逆的炎症反应。过度炎症引起进行性、持续性和不完全可逆的结构改变和气流限制。虽然慢性阻塞性肺病是一个重大的公共卫生问题,但诊断和治疗阶段需要改进。夜间无创正压通气(NPPV)是COPD加重的首选治疗方式之一,NPPV在COPD加重中的作用和益处已明确,但在稳定期重度COPD患者中应用夜间NPPV存在争议,证据尚不充分。本综述评估夜间NPPV对稳定期COPD患者的影响。
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引用次数: 0
Yanık Nedeniyle Tedavi Gören Hastalarda Yenilikçi Teknoloji: Sanal Gerçeklik
Pub Date : 2022-03-31 DOI: 10.17827/aktd.992689
Merve Kaya, Zeynep KARAMAN ÖZLÜ
Virtual reality is an advanced cognitive technique that has been widely used in health care applications in recent years, especially in burn injuries. Burn injuries, which are a serious and multifaceted injury, affect the patient not only physically but also psychologically, and patients need help in overcoming and coping with this situation. The effect of virtual reality has been proven as an important non-pharmacological analgesia method in the relief of pain in the acute and rehabilitation processes of the burn injury process. At the same time, it has been determined that it has positive effects on the anxiety and fear experienced by the patients. It has been emphasized that virtual reality accelerates the re-epithelialization process and supports the healing process in burn patients. The aim of this study is to evaluate the use and effects of virtual reality, which is a potential and important technology for nursing care and multidisciplinary healthcare team, in the treatment of burn patients.
虚拟现实是一种先进的认知技术,近年来在医疗保健领域得到了广泛的应用,尤其是在烧伤方面。烧伤是一种严重的、多方面的损伤,不仅会影响患者的身体,还会影响患者的心理,患者需要帮助来克服和应对这种情况。虚拟现实技术作为一种重要的非药物镇痛方法,在缓解烧伤急性期和康复期疼痛方面的作用已被证明。同时,已经确定它对患者所经历的焦虑和恐惧有积极的影响。人们一直强调,虚拟现实加速了烧伤患者的再上皮化过程,并支持了愈合过程。虚拟现实技术在烧伤患者的护理和多学科医疗团队中是一项有潜力的重要技术,本研究旨在评估虚拟现实技术在烧伤患者治疗中的应用和效果。
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引用次数: 2
期刊
Arşiv Kaynak Tarama Dergisi
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