218例乳腺癌术后十年随访观察

对218例女性乳癌术后进行了十年以上的随访观察。随访率为95.87％。术后总的十年生存率为54.87％。Ⅰ期为85.71％,Ⅱ期为53.09％。Ⅲ期为30.76％。阐明了术后疗效与妊娠哺乳,肿瘤部位,肿瘤大小,临床期别,淋巴结转移情况及病理类型有明显关系。讨论了手术方式对术后的影响,提示扩大根治术对Ⅰ、Ⅱ期乳癌并无明显优越性。     

Studies on Toxicity of Nitroquine-Dapsone Compound and Therapeutic Effects of Folic or Folinic Acid on Toxicated Animals

The toxic effects of nitroquine-dapsone compound(NQD)in mice and dogs were studied.The therapeutic index of NQDin mice is 1911,the greatest among the 6 antimalarials tested.Thetoxic effects of NQD(50 mg/kg/day for 3 days per os)and nitro-quine in dogs were manifested by injuries on the adrenal cortexand intestinal epithelium.When folic acid(4 mg/kg/day for 4 days)or calcium leucovorinum(0.3 mg/kg/day for 4 days)were usedconcomitantly with NQD,the death rate and the incidence of dia-rrhea in the toxicated dogs were greatly reduced,the injury on theintestinal epithelium was much milder,and the goblet cells weremuch more numerous than those without treatment.The results suggestthat folic acid and calcium leucovorinum can protect the undifferen-tiated cells in the intestinal crypts from being injured by NQD.     

THE TREATMENT OF SPINAL CORD INJURY CASES BY MEANS OF SPINAL OMENTUM TRANSPOSITION

Omentum transposition to cervical spinal cord for the treatment of traumatic cervical spinal cord myelopathy.In treating spinal cord injury, the clinic of cervical spinal cord injury has to face the problems of tetraplegia and control of Respiration. The application of various kins of treatment include skull traction, laminectomy, intervebral bone graft fusion and omen turn spinal cord transposition. We have treated 10 cases in the period from June, 1986 to June, 1983. The discussion will focus on the Oinentum transposition to cervical spinal cord and the related problems of cervical spinal cord injury.     

2013年-2017年我国血站收入的结构变动情况分析△

目的：对我国不同类型血站的收入状况进行问卷调查和深度访谈,分析近年来我国血站收入结构变动情况及特征,找到影响血站收入结构变动的主要项目,合理优化血站收入结构。方法：2018 年8月采用普查的方法对全国353家（32 家血液中心、321 家中心血站）的收入状况进行问卷调查,同时选取山东省6地市中心血站的负责人进行深度访谈。对收集的血站收入数据,运用结构变动方法进行分析。 结果：2013年-2017年公益一类血站收入的结构变动度为24.22%,财政补助收入、事业收入是构成公益一类血站收入变动的主要来源,其中财政补助收入的贡献率53.20%;2013年-2017年我国公益二类血站收入的结构变动度为16.79%,财政补助收入、事业收入是构成公益二类血站收入变动的主要来源,其中贡献率最大的是事业收入49.99%。结论：财政补助收入、事业收入是影响血站收入结构变动的主要项目,两类血站的日常运营与建设对财政补助收入高度依赖,公益二类经营收入增幅不明显,发展不足。     

The 6-Month Efficacy of an Intensive Lifestyle Modification Program on Type 2 Diabetes Risk Among Rural Women with Prior Gestational Diabetes Mellitus: a Cluster Randomized Controlled Trial

Prevention Science - This study aimed to evaluate the efficacy of an intensive lifestyle modification program tailored to rural Chinese women with prior gestational diabetes mellitus compared with...     

父母及教师对学龄前儿童行为问题评估的一致性及差异研究

背景 儿科医生经常面临父母和教师对孩子行为问题报告不一致的情况,但既往关于父母和教师对学龄前儿童行为问题评估的研究较少。目的 调查重庆市主城区学龄前儿童行为问题的现状,探讨父母及教师对学龄前儿童行为问题评估的一致性及差异。方法 于2018年6月,采用分层整群抽样法,在重庆市主城区幼儿园抽取学龄前儿童2 698例。儿童家长填写Conners父母用症状问卷(PSQ),教师填写Conners教师量表(TRS),比较基于PSQ和TRS的行为问题检出情况。结果 最终纳入问卷被有效回收的学龄前儿童2 660例(98.59%)。基于PSQ的儿童行为问题检出率为14.47%(385/2 660),男童高于女童〔17.91%(245/1 368)比10.84%(140/1 292),P<0.001〕;基于TRS的儿童行为问题检出率为4.44%(118/2 660),男童亦高于女童〔6.29%(86/1 368)比2.48%(32/1 292),P<0.001〕。PSQ中,男童在学习问题、心身问题、多动指数上的检出率高于女童(P<0.05);TRS中,男童在品行问题、多动指数上的检出率高...     

血小板衍生生长因子D通过ERK信号通路对肺癌H1299细胞增殖、迁移和侵袭的影响及其机制

目的:探讨血小板衍生生长因子D (PDGF-D)对人肺癌H1299细胞增殖、迁移和侵袭的影响,并阐明其可能的作用机制。方法:选用人肺癌H1299细胞,分为对照组(转染空载体)和PDGF-D组(转染GV230-PDGF-D质粒),同时设空白组,采用实时荧光定量PCR (RT-qPCR)法和Western blotting法检测各组细胞中PDGF-D mRNA表达水平和蛋白表达量。H1299细胞分为对照组(转染空载体)、PDGF-D组(转染GV230-PDGF-D质粒)、PDGF-D+PD98059组(转染GV230-PDGF-D质粒+ERK抑制剂PD98059)和PD98059组,PD98059终浓度为10μmol·L^-1。MTT法检测各组细胞增殖活性,划痕实验检测各组细胞迁移率,Transwell实验检测各组细胞中侵袭细胞数,Western blotting法检测各组细胞中磷酸化细胞外信号调节基酶(p-ERK)、细胞外信号调节基酶(ERK)、锌指转录因子Snail、基质金属蛋白酶1 (MMP-1)和跨膜黏附糖蛋白CD44的蛋白表达水平。结果:RT-qPCR法检测,...     

A unique series of reversibly switchable fluorescent proteins with beneficial properties for various applications

Reversibly switchable fluorescent proteins (RSFPs) have attracted widespread interest for emerging techniques including repeated tracking of protein behavior and superresolution microscopy. Among the limited number of RSFPs available, only Dronpa is widely employed for most cell biology applications due to its monomeric and other favorable photochemical properties. Here we developed a series of monomeric green RSFPs with beneficial optical characteristics such as high photon output per switch, high photostability, a broad range of switching rate, and pH-dependence, which make them potentially useful for various applications. One member of this series, mGeos-M, exhibits the highest photon budget and localization precision potential among all green RSFPs. We propose mGeos-M as a candidate to replace Dronpa for applications such as dynamic tracking, dual-color superresolution imaging, and optical lock-in detection.     

A novel ratiometric AIEE/ESIPT probe for palladium species detection with ultra-sensitivity

Existing fluorescent probes for palladium (Pd) species detection have revealed their vulnerabilities, such as low sensitivity, poor anti-interference ability and long reaction time. In order to develop a faster and more accurate detection method for palladium species at extremely low concentrations, in this study, we designed a novel ratiometric AIEE/ESIPT probe (HPNI-1) based on the Tsuji–Trost reaction for Pd. According to the data obtained, the probe was able to detect Pd species with an ultra-high anti-interference ability (Pd : other metals = 1 : 1000), rapid detection time (within 2 minute) and ratiometric fluorescent signal changes with a 1.34 nM detection limit. This study not only proves that existing methods can be improved but also provides future prospects for HPNI-1 as one of the greatest probes for Pd species detection.

Existing fluorescent probes for palladium (Pd) species detection have revealed their vulnerabilities, such as low sensitivity, poor anti-interference ability and long reaction time.