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介导植物干旱应答的RING finger类型泛素连接酶的研究进展
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作者 孙雯雯 陈新 +1 位作者 马艳春 赵庆臻 《中文科技期刊数据库(全文版)自然科学》 2023年第4期0088-0094,共7页
干旱是影响植物生长和农作物产量的重要环境因素。泛素连接酶E3是蛋白质泛素化修饰的关键酶之一,对于植物生长发育和干旱胁迫应答具有重要的调控作用。RING finger类型泛素连接酶是其成员最多的一种类型。本文主要概述了植物对干旱胁迫... 干旱是影响植物生长和农作物产量的重要环境因素。泛素连接酶E3是蛋白质泛素化修饰的关键酶之一,对于植物生长发育和干旱胁迫应答具有重要的调控作用。RING finger类型泛素连接酶是其成员最多的一种类型。本文主要概述了植物对干旱胁迫的响应机制及植物中的RING finger类型E3,并详细综述了RING finger类型E3介导植物干旱胁迫应答的研究进展,可以供大家参考。 展开更多
关键词 RING finger 泛素连接酶 干旱 脱落酸
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Nutritional Composition and Anti-Nutrient Levels in Raw and Processed Varieties of Finger Millet Promoted for Nutritional Security
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作者 Nyabuti George Nawiri Mildred +4 位作者 Everlyne Wanzala Judith Munga Chrispus Oduori John Kinyuru Nyambaka Hudson 《Food and Nutrition Sciences》 2023年第12期1183-1205,共23页
Finger millet (FM) is rich in nutrients such as minerals, vitamins, and amino acids. However, the levels of nutrients and their bioaccessibility depend on the variety, the levels of ant nutrients, the chemical form of... Finger millet (FM) is rich in nutrients such as minerals, vitamins, and amino acids. However, the levels of nutrients and their bioaccessibility depend on the variety, the levels of ant nutrients, the chemical form of nutrients, and the type of processing methods used. The study determined the levels of selected nutrients, anti-nutrients, and bioaccessibility in raw and processed varieties of finger millet being developed by the Kenya Agricultural and Livestock Research Organization (KALRO) in Kenya. Raw finger millet seeds from KALRO Centers in Kenya were processed by malting for 60 hours and roasting at 110°C for 5 minutes as the optimal conditions. Levels of minerals were determined by AAS and AES, anti-nutrients by UV-visible spectrophotometer, proteins by the Pierce kit method, and vitamins by HPLC. The IE4115 and IE3779 showed the highest levels of nutrients and lowest levels of antinutrients hence preferred for processing and bioaccessibility studies. The level (mg/100 g) of selected minerals;K, Cr<sup>3+</sup>, Mg, Ca, P, Fe, and Zn were found to be highest in the following varieties of the FM;IE3779 (688.519 ± 1.57), IE 4115 (1.29 ± 0.07), IE4115 (294.38 ± 1.93), IE3779 (466.67 ± 4.17), IE4115 (250.92 ± 0.33), KERICHO P (16.98 ± 0.05) and IE4115 (64.10 ± 2.35) respectively. For β-carotene, vitamin B, B2, B3, B6 and B9 the levels were highest in the following varieties of FM;KAKW3 (0.023 ± 0.02), IE4115 (14.85 ± 0.16), IE4115 (12.998 ± 0.04), IE4115 (5.843 ± 0.07), IE3779 (0.06 ± 0.04) and KAKW4 (9.832 ± 0.08). Phytates, tannins, phenols, and oxalates were found to be lowest in the following varieties: IE3779 (14.20 ± 2.90, IE4115 (27.83 ± 0.73), NKFM1 (9.69 ± 0.07) and IE4115 (0.25 ± 0.01). The highest bioaccessibility values reported for K, Mg, Ca, P, Cr<sup>3+</sup>, Fe, and Zn were 89.53% (malting, IE3779), 49.28% (malting, IE4115), 60.41% (Malting, IE4115), 69.40% (malting, IE4115), 12.9% (malting, IE4115), 59.84% (malting, KAKW3) and 66.89% (roasting, IE3779) respectively (Table 8). For beta carotene, vitamin B1, B2, B3, B6 and B9 the values were 73.33% (malting, p224), 78.84% (malting, IE4115), 78.34 (malting, IE3779), 97.63% (malting, IE4115), 91.64% (malting, IE4115), and 77.52% (roasting, IE4115) (table The result on levels and bioaccessibility showed that IE4115 and IE3779 varieties were more nutritious and therefore should be promoted for nutritional security. 展开更多
关键词 NUTRIENTS Ant Nutrients finger Millet (FM) MALTING ROASTING
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Description of the Factors Associated with Trigger Finger in Patients Treated at Petroleos Mexicanos “Pemex”
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作者 Fernando Barbosa-Villarreal Cuahutémoc Márquez-Espriella +17 位作者 Rodrigo Dávila-Díaz Marco A. Cuervo-Vergara Blanca Y. Arambula-Sánchez Alberto I. Cahuana-Quispe Victor A. Esquivel-Chávez Carlos E. García-Córdova Ana P. Campollo-López Mauricio Gutierrez-Alvarez Jesus R. García-Corral Alfredo Chama-Naranjo Daniel de Luna-Gallardo Ricardo A. Pulido-López Isaac F. Recio-España Esteban I. Campos-Serna Carlos I. Navarro-Delgadillo José C. Martínez-López Victor H. Avalos-Gómez Alejandro Cruz-Zarate 《Journal of Biosciences and Medicines》 2023年第7期151-159,共9页
Background: The trigger finger, also known as stenosing tenosynovitis of the flexor tendon, is a common cause of hand disability;This can result in significant limitations in certain daily living activities. It is pos... Background: The trigger finger, also known as stenosing tenosynovitis of the flexor tendon, is a common cause of hand disability;This can result in significant limitations in certain daily living activities. It is possible to treat this condition with conservative or surgical methods. Methods: This is a retrospective, observational, cross-sectional and descriptive study. The source population consisted of all patients with a diagnosis of trigger finger who had been treated in the department of plastic and reconstructive surgery of our institution between 2020 and 2023. The primary objective of this study is to determine the prevalence and characterize the clinical and surgical characteristics of the population affected by trigger finger in our hospital. Results: The total population was 237 patients, of which 165 were women (70%) and 72 men (30%). The most affected hand was the right hand, with a total of 158 patients (67%). In the right hand, the middle finger was the most affected (45%). Of the 237 patients, 80 of them had obesity (34%), 86 had type 2 diabetes mellitus (36%), 95 had systemic arterial hypertension (40%). Open technique was performed in 190 (80%) patients, while percutaneous technique was performed in 47 (20%) of them. Conclusion: The female sex was twice as frequent, and the middle finger and thumb were the most affected. Most of the patients received surgical treatment with open approach and percutaneous approach in 20% of them. 展开更多
关键词 Trigger finger TENDINOPATHY
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Investigation of Experimental Devices for Finger Active and Passive Tactile Friction Analysis
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作者 Xue Zhou Marc A.Masen +3 位作者 Jiliang Mo Xinyu Shi Yaosheng He Zhongmin Jin 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2023年第2期129-139,共11页
Complicated tribological behavior occurs when human fingers touch and perceive the surfaces of objects.In this process,people use their exploration style with different conditions,such as contact load,sliding speed,sl... Complicated tribological behavior occurs when human fingers touch and perceive the surfaces of objects.In this process,people use their exploration style with different conditions,such as contact load,sliding speed,sliding direction,and angle of orientation between fingers and object surface consciously or unconsciously.This work addressed interlaboratory experimental devices for finger active and passive tactile friction analysis,showing two types of finger movement.In active sliding experiment,the participant slid their finger freely against the object surface,requiring the subject to control the motion conditions themselves.For passive sliding experiments,these motion conditions were adjusted by the device.Several analysis parameters,such as contact force,vibration acceleration signals,vibration magnitude,and fingerprint deformation were recorded simultaneously.Noticeable friction differences were observed when comparing active sliding and passive sliding.For passive sliding,stick-slip behavior occurred when sliding in the distal direction,evidenced by observing the friction force and the related deformation of the fingerprint ridges.The employed devices showed good repeatability and high reliability,which enriched the design of the experimental platform and provided guidance to the standardization research in the field of tactile friction. 展开更多
关键词 finger friction Experimental device Active sliding Passive sliding Rotating
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Considerations for gluten free foods-pearl and finger millet processing and market demand
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作者 Manivannan Selladurai Manoj Kumar Pulivarthi +3 位作者 Anu Suprabha Raj Mehreen Iftikhar P.V.Vara Prasad Kaliramesh Siliveru 《Grain & Oil Science and Technology》 CAS 2023年第2期59-70,共12页
The market demand for gluten free foods is increasing due to frequent incidences of celiac disease and increasing awareness on consumption of gluten free foods.Millets have become the major constituent of diet as they... The market demand for gluten free foods is increasing due to frequent incidences of celiac disease and increasing awareness on consumption of gluten free foods.Millets have become the major constituent of diet as they are gluten-free and also excellent sources of micro and macro nutrients such as vitamins,minerals,dietary fibers and phenolic compounds.Among various millets,the finger millet and the pearl millet are the two most important and common millet varieties grown extensively.Since,they are regarded as the staple foods of the poor and vulnerable populations,development of new products and improvements in their nutritional quality will aid in the general health of these population.Processing of millets and production of variable gluten-free ready-to-eat and nutritional supplements has increased their market value in the recent years.Furthermore,processing can also help in shelf-life extension of the millets with nutritional enrichment,expanding its markets to non-traditional millet consumers.In this context,the present review is aimed to focus on the current processing methods to develop products from the two millet varieties that are gluten free and outline their nutritional benefits. 展开更多
关键词 Pearl millet finger millet Nutritional value PROCESSING Market value
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Biometric Finger Vein Recognition Using Evolutionary Algorithm with Deep Learning
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作者 Mohammad Yamin Tom Gedeon +1 位作者 Saleh Bajaba Mona M.Abusurrah 《Computers, Materials & Continua》 SCIE EI 2023年第6期5659-5674,共16页
In recent years,the demand for biometric-based human recog-nition methods has drastically increased to meet the privacy and security requirements.Palm prints,palm veins,finger veins,fingerprints,hand veins and other a... In recent years,the demand for biometric-based human recog-nition methods has drastically increased to meet the privacy and security requirements.Palm prints,palm veins,finger veins,fingerprints,hand veins and other anatomic and behavioral features are utilized in the development of different biometric recognition techniques.Amongst the available biometric recognition techniques,Finger Vein Recognition(FVR)is a general technique that analyzes the patterns of finger veins to authenticate the individuals.Deep Learning(DL)-based techniques have gained immense attention in the recent years,since it accomplishes excellent outcomes in various challenging domains such as computer vision,speech detection and Natural Language Processing(NLP).This technique is a natural fit to overcome the ever-increasing biomet-ric detection problems and cell phone authentication issues in airport security techniques.The current study presents an Automated Biometric Finger Vein Recognition using Evolutionary Algorithm with Deep Learning(ABFVR-EADL)model.The presented ABFVR-EADL model aims to accomplish bio-metric recognition using the patterns of the finger veins.Initially,the presented ABFVR-EADL model employs the histogram equalization technique to pre-process the input images.For feature extraction,the Salp Swarm Algorithm(SSA)with Densely-connected Networks(DenseNet-201)model is exploited,showing the proposed method’s novelty.Finally,the Deep-Stacked Denoising Autoencoder(DSAE)is utilized for biometric recognition.The proposed ABFVR-EADL method was experimentally validated using the benchmark databases,and the outcomes confirmed the productive performance of the proposed ABFVR-EADL model over other DL models. 展开更多
关键词 Biometric authentication finger vein recognition deep learning evolutionary algorithm SECURITY PRIVACY
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Finger compartment syndrome due to a high-pressure washer injury:A case report
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作者 Jun Ho Choi Seung Yeon Choi +2 位作者 Jae Ha Hwang Kwang Seog Kim Sam Yong Lee 《World Journal of Clinical Cases》 SCIE 2023年第13期3017-3021,共5页
BACKGROUND Although the finger compartment syndrome is not common,it compresses the neurovascular bundles in a limited space and blocks blood flow to the fingers,causing necrosis of the fingertips.Finger fasciotomy th... BACKGROUND Although the finger compartment syndrome is not common,it compresses the neurovascular bundles in a limited space and blocks blood flow to the fingers,causing necrosis of the fingertips.Finger fasciotomy through unilateral or bilateral midline release of the finger can achieve decompression of the finger compartment.Herein,we report a case of the compartment syndrome in a finger injury caused by a high-pressure water flow which is commonly used in car washing stations.CASE SUMMARY A 60-year-old man injured his right middle finger while using a high-pressure washer at a car washing station.The patient complained of severe pain in his middle finger and a 0.2 cm punctured open wound on the volar side of the distal phalangeal joint of the middle finger.The fingertip was pale,numb,and characterized by severe swelling and a limited range of motion.Finger radiography showed that there was no fracture in the finger.Digital decompression was performed through finger fasciotomy by bilateral midline incision.On the second day after surgery,the color of the fingertip returned to pink,swelling was resolved,and the range of motion returned to normal.The sensation of the fingertip was completely restored,and the capillary refill test and pinprick test were positive.CONCLUSION The fingertip compartment syndrome can be caused by a high-pressure water flow damage to the fingers when using high-pressure washers at a car washing station.To avoid finger necrosis,rapid diagnosis of the finger compartment syndrome and appropriate digital decompression are essential to better outcome. 展开更多
关键词 Compartment syndrome Crush injuries FASCIOTOMY finger injuries Case report
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Diagnostic value of methylated branched chain amino acid transaminase 1/IKAROS family zinc finger 1 for colorectal cancer
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作者 Ke Xu Ai-Ru Yu +1 位作者 Shen-Bin Pan Jie He 《World Journal of Gastroenterology》 SCIE CAS 2023年第36期5240-5253,共14页
BACKGROUND The diagnostic value of combined methylated branched chain amino acid transaminase 1(BCAT1)/IKAROS family zinc finger 1(IKZF1)in plasma for colorectal cancer(CRC)has been explored since 2015.Recently,severa... BACKGROUND The diagnostic value of combined methylated branched chain amino acid transaminase 1(BCAT1)/IKAROS family zinc finger 1(IKZF1)in plasma for colorectal cancer(CRC)has been explored since 2015.Recently,several related studies have published their results and showed its diagnostic efficacy.AIM To analyze the diagnostic value of methylated BCAT1/IKZF1 in plasma for screening and postoperative follow-up of CRC.METHODS The candidate studies were identified by searching the PubMed,Embase,Cochrane Library,CNKI,and Wanfang databases from May 31,2003 to June 1,2023.Sensitivity,specificity,and diagnostic accuracy were calculated by merging ratios or means.RESULTS Twelve eligible studies were included in the analysis,involving 6561 participants.The sensitivity of methylated BCAT1/IKZF1 in plasma for CRC diagnosis was 60%[95%confidence interval(CI)53-67]and specificity was 92%(95%CI:90-94).The positive and negative likelihood ratios were 8.0(95%CI:5.8-11.0)and 0.43(95%CI:0.36-0.52),respectively.Diagnostic odds ratio was 19(95%CI:11-30)and area under the curve was 0.88(95%CI:0.85-0.91).The sensitivity and specificity for CRC screening were 64%(95%CI:59-69)and 92%(95%CI:91-93),respectively.The sensitivity and specificity for recurrence detection during follow-up were 54%CONCLUSION The detection of methylated BCAT1/IKZF1 in plasma,as a non-invasive detection method of circulating tumor DNA,has potential CRC diagnosis,but the clinical application prospect needs to be further explored. 展开更多
关键词 Branched chain amino acid transaminase 1 IKAROS family zinc finger 1 METHYLATION Liquid biopsy Colorectal cancer
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Triggering,clicking,locking and crepitus of the finger:A comprehensive overview
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作者 Pieter W Jordaan Raymond Klumpp Marco Zeppieri 《World Journal of Orthopedics》 2023年第10期733-740,共8页
Triggering,locking,clicking,and crepitus of the fingers are common symptoms patients present with.Even though crepitus and triggering can occur as part of the same underlying diagnosis,it is important to differentiate... Triggering,locking,clicking,and crepitus of the fingers are common symptoms patients present with.Even though crepitus and triggering can occur as part of the same underlying diagnosis,it is important to differentiate between them,as they usually indicate different possible diagnoses.The differential diagnoses that should be considered include trigger finger,metacarpophalangeal joint(MCPJ)arthritis,fractures or dislocations,extensor digitorum communis subluxation or dislocation,locked MCPJ,avascular necrosis of the metacarpal head,and Dupuytren’s disease.A thorough clinical examination with appropriate special investigations can permit the clinician to make the correct diagnosis.Appropriate management of a confirmed diagnosis is successful in providing symptomatic improvement. 展开更多
关键词 Trigger finger LOCKING Crepitus Metacarpophalangeal joint DISLOCATION Differential diagnosis
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Prognostic role of ring finger and WD repeat domain 3 and immune cell infiltration in hepatocellular carcinoma
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作者 Yan-Dong Miao Wu-Xia Quan +3 位作者 Jiang-Tao Wang Jian Gan Xin Dong Fang Zhang 《World Journal of Hepatology》 2023年第1期116-122,共7页
We have found that the expression of ring finger and WD repeat domain 3(RFWD3)is significantly higher in unpaired and paired hepatocellular carcinoma(HCC)tissues than in normal tissues.Moreover,this expression has a s... We have found that the expression of ring finger and WD repeat domain 3(RFWD3)is significantly higher in unpaired and paired hepatocellular carcinoma(HCC)tissues than in normal tissues.Moreover,this expression has a significant correlation with the infiltration level of 14 immune cell types and when the detected RFWD3 expression levels were grouped as high and low,a prominent difference was revealed for overall survival,disease-specific survival,and progression-free interval.Through statistical analysis(univariate Cox),we were also able to identify RFWD3 as an independent prognostic element for HCC,with RFWD3 having an ability to accurately predict HCC prognosis(area under the curve of 0.863).Finally,we have generated prognostic nomograms for probabilities of 1-,3-and 5-year overall survival in HCC via integrating the factors of age,pathologic stage,alpha-fetoprotein level,and RFWD3 expression. 展开更多
关键词 Hepatocellular carcinoma Ring finger and WD repeat domain 3 Immune cell infiltration BIOINFORMATICS
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The Effect of Modified Postoperative Treatment on Finger Replantation Survival Rate
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作者 Yuanfei Yue 《Journal of Clinical and Nursing Research》 2023年第5期72-77,共6页
Objective:To explore the clinical effect of modified treatment after finger replantation and its impact on the survival rate of replantation.Methods:The research was conducted from March 2022 to March 2023.A total of ... Objective:To explore the clinical effect of modified treatment after finger replantation and its impact on the survival rate of replantation.Methods:The research was conducted from March 2022 to March 2023.A total of 58 patients who underwent finger replantation at our hospital were selected.These patients were divided into two groups using the digital table grouping method:the research group(n=29)and the control group(n=29).Patients in the control group received standard treatment following finger replantation,while patients in the study group received modified treatment after the procedure.The incidence of vascular crisis and the survival rate of replantation were compared between the two groups.Results:The incidence of vascular crisis in the study group was lower than that in the control group(P<0.05);the replantation survival rate in the study group was higher than that in the control group(P<0.05).Conclusion:Modified treatment after replantation of severed fingers can reduce the incidence of vascular crisis replantation and improve the survival rate of replantation,so it should be popularized and applied in medical institutions. 展开更多
关键词 finger replantation Vascular crisis Survival rate of replantation
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手指鲍恩病误诊3例
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作者 郑文豪 柯丹 +2 位作者 朱小娟 娄方璐 冯林 《临床皮肤科杂志》 CSCD 北大核心 2024年第1期41-43,共3页
报告3例手指鲍恩病。例1.患者男,80岁。右手无名指红斑、丘疹及脱屑2余年,疼痛2个月,误诊为乳房外Paget病。例2.患者男,88岁。左手中指红斑、斑块及糜烂10余年,误诊为基底细胞癌。例3.患者男,37岁。右手示指红斑、斑块、糜烂伴瘙痒2年,... 报告3例手指鲍恩病。例1.患者男,80岁。右手无名指红斑、丘疹及脱屑2余年,疼痛2个月,误诊为乳房外Paget病。例2.患者男,88岁。左手中指红斑、斑块及糜烂10余年,误诊为基底细胞癌。例3.患者男,37岁。右手示指红斑、斑块、糜烂伴瘙痒2年,误诊为湿疹。3例患者皮损组织病理检查均表现为表皮角化过度伴角化不全,表皮全层细胞极性紊乱,可见核大深染的细胞,病理性核分裂象增多;真皮浅层可见不等量淋巴细胞及组织细胞浸润。3例患者均诊断为手指鲍恩病。 展开更多
关键词 鲍恩病 手指 误诊
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改良拇指桡背侧皮神经营养血管皮瓣在拇指缺损重建中的应用
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作者 刘宗义 荣向科 +3 位作者 刘士强 宋永斌 徐春娟 石定 《创伤外科杂志》 2024年第6期452-455,共4页
目的探讨改良拇指桡背侧皮神经营养血管皮瓣在拇指缺损重建的手术方法和临床效果。方法回顾性分析2019年4月—2022年8月中国人民解放军联勤保障部队第九八七医院烧伤整形显微外科收治拇指末节离断伤无法再植或者再植失败患者7例,男性6例... 目的探讨改良拇指桡背侧皮神经营养血管皮瓣在拇指缺损重建的手术方法和临床效果。方法回顾性分析2019年4月—2022年8月中国人民解放军联勤保障部队第九八七医院烧伤整形显微外科收治拇指末节离断伤无法再植或者再植失败患者7例,男性6例,女性1例;年龄20~51岁,平均39.4岁;左手4例,右手3例;挤轧伤5例,切割伤2例;因指体毁损严重无法再植4例,再植失败后行皮瓣修复3例。剔除离断指体近端的坏死组织后保留指骨,采用、改良大面积拇指桡背侧皮神经营养血管皮瓣包裹外露指骨重建拇指末节,供区行植皮覆盖。出院后随访皮瓣外观、感觉,以及供区和手功能恢复情况。结果患者缺损面积为2.5 cm×4.5 cm~3.0 cm×6.0 cm,皮瓣切取面积为2.5 cm×5.0 cm~3.5 cm×6.5 cm。7例皮瓣全部存活,供区植皮全部成活。术后随访3~20个月,平均4.6个月。术后3个月,皮瓣外形饱满,无臃肿,质地满意,感觉初步建立。根据中华医学会手外科分会上肢部分功能评定试用标准评价手指功能:优5例,良1例,可1例,差1例,优良率85.7%。结论经改良后进一步将拇指桡背侧皮神经营养血管皮瓣切取面积扩大,包裹外露指骨重建拇指末节,皮瓣血运可靠,手术操作简便、成功率高,供区损伤小,临床效果满意,值得推广。 展开更多
关键词 指损伤 创面修复 外科皮瓣拇指 指骨
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斑点叉尾鮰ZBTB38的原核表达、多克隆抗体制备及应用
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作者 张世勇 刘洪岩 +3 位作者 钟立强 赵彦华 王明华 陈校辉 《核农学报》 CAS CSCD 北大核心 2024年第4期654-661,共8页
为获得斑点叉尾鮰(Ictalurus punctatus)ZBTB38的多克隆抗体,并研究其在性腺中的表达情况,将斑点叉尾鮰zbtb38基因部分序列经密码子优化后连接至pET32a(+)载体,构建重组质粒pET32a(+)-zbtb38,再转入大肠杆菌(Escherichia coli)感受态细... 为获得斑点叉尾鮰(Ictalurus punctatus)ZBTB38的多克隆抗体,并研究其在性腺中的表达情况,将斑点叉尾鮰zbtb38基因部分序列经密码子优化后连接至pET32a(+)载体,构建重组质粒pET32a(+)-zbtb38,再转入大肠杆菌(Escherichia coli)感受态细胞BL21(DE3)中诱导表达,通过十二烷基硫酸钠-聚丙烯酰胺凝胶电泳(SDS-PAGE)、免疫印迹(Western blot)和液相色谱-质谱联用(LC-MS)等技术进行鉴定。用纯化后的重组蛋白制备兔抗斑点叉尾鮰ZBTB38多克隆抗体,通过酶联免疫吸附(ELISA)和Western blot技术检测抗体效价及其特异性,最后采用Western blot方法检测ZBTB38在性腺中的表达情况,并使用实时荧光定量PCR(qRT-PCR)技术对检测结果进行验证。结果表明,制备的兔抗斑点叉尾鮰ZBTB38多克隆抗体效价可达1:(5.12×10^(5)),能够特异性识别斑点叉尾鮰性腺组织中表达的ZBTB38蛋白,其中精巢组织中的表达水平显著高于卵巢,Western blot与qRT-PCR检测结果较为一致。综上所述,研究成功制备了斑点叉尾鮰ZBTB38的多克隆抗体,为下一步深入研究斑点叉尾鮰zbtb38基因的功能奠定了基础。 展开更多
关键词 斑点叉尾鮰 锌指蛋白 原核表达 多克隆抗体 性腺
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再植指功能恢复效果的列线图预测模型构建
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作者 李建强 靳宇 +1 位作者 赵文献 孙虹斐 《实用骨科杂志》 2024年第5期400-403,437,共5页
目的探讨再植指功能恢复差的危险因素,建立患指功能恢复差的预测模型。方法回顾性分析2017年5月至2022年5月在唐山市人民医院行断指再植术的309例(断指376个)手指离断患者的资料,其中男性231例断指274个,女性78例断指102个;年龄19~67岁... 目的探讨再植指功能恢复差的危险因素,建立患指功能恢复差的预测模型。方法回顾性分析2017年5月至2022年5月在唐山市人民医院行断指再植术的309例(断指376个)手指离断患者的资料,其中男性231例断指274个,女性78例断指102个;年龄19~67岁,平均(41.57±8.59)岁。术后1年对患指功能的恢复效果进行判定,并分成恢复差组和对照组。收集患者一般人口特征、病情信息、手术信息、术前血常规指标行单变量筛查,通过多因素分析确定患指功能恢复差的危险因素,以森林图展现各指标效应大小。依据预测变量构建列线图模型,并通过受试者工作特征(receiver operating characteristic,ROC)曲线下面积(area under curve,AUC)、校准曲线及决策曲线(decision curve analysis,DCA)检验其效能。结果309例(断指376个)患者中,有68例(断指81个)术后功能恢复差,占比21.54%。两组吸烟史、损伤性质、离断程度、离断平面、断指暴露时间、断指保存方式、是否遵医开展康复锻炼情况比较差异有统计学意义(P<0.05)。Logistic回归分析显示,术后患指功能恢复差的危险因素主要为有吸烟史、撕脱伤、离断平面为非末节指骨、断指暴露时间≥8 h、未遵医开展康复锻炼。内部验证显示,AUC为0.819(95%CI:0.762~0.875),模型预测患指功能恢复差的概率与实际概率高度吻合,拟合优度HL检验χ^(2)=7.389,P=0.286。DCA显示模型在风险阈值12%~75%时具有较好的实用性。结论根据有吸烟史、损伤性质、离断平面、断指暴露时间、是否遵医开展康复锻炼构建的列线图模型对断指再植术后患指功能恢复差的预测效果较好。 展开更多
关键词 断指再植术 再植指功能 危险因素 列线图模型
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超声引导下不同型号针刀联合复方倍他米松注射液治疗扳机指的疗效对比
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作者 李春叶 张倩 +2 位作者 王华 谢荣 张校瑜 《江苏大学学报(医学版)》 CAS 2024年第3期248-253,共6页
目的:观察超声引导下不同型号针刀松解联合复方倍他米松注射液治疗扳机指的临床效果与安全性。方法:选取2020年5月至2023年5月江苏大学附属医院疼痛科诊断为扳机指患者111例为研究对象,将患者按随机数字表法进行简单随机化分为超声引导... 目的:观察超声引导下不同型号针刀松解联合复方倍他米松注射液治疗扳机指的临床效果与安全性。方法:选取2020年5月至2023年5月江苏大学附属医院疼痛科诊断为扳机指患者111例为研究对象,将患者按随机数字表法进行简单随机化分为超声引导+复方倍他米松注射液组(Ⅰ组)36例、超声引导+复方倍他米松注射液+平口型针刀组(Ⅱ组)37例、超声引导+复方倍他米松注射液+V型针刀组(Ⅲ组)38例,随访为期6个月。记录3组治疗前(T1)、治疗后次日(T2)、治疗后3周(T3)、治疗后6个月(T4)的视觉模拟评分(VAS)和改良Quinnell分级,记录治疗6个月时整体改善状况(PGII)和复发率,以及手术操作时间和治疗期间不良反应。结果:①VAS评分比较:在T2时间点,Ⅱ组和Ⅲ组评分明显高于Ⅰ组(P<0.001),Ⅱ组评分明显高于Ⅲ组(P<0.05);在T3和T4时间点,Ⅱ组和Ⅲ组均明显低于Ⅰ组(P<0.05和P<0.001),Ⅱ组和Ⅲ组间无统计学差异(P>0.05)。②改良Quinnell分级比较:在T2、T3、T4时间点,Ⅱ组和Ⅲ组分级均明显低于Ⅰ组(P<0.05和P<0.001)、Ⅱ组和Ⅲ组间无统计学差异(P>0.05)。③治疗6个月PGII总体改善评分比较:Ⅱ组和Ⅲ组评分均明显高于Ⅰ组(P<0.001),Ⅱ组和Ⅲ组间无统计学差异(P>0.05)。④复发率比较:Ⅱ组和Ⅲ组均明显低于Ⅰ组(P<0.05),Ⅱ组和Ⅲ组间无统计学差异(P>0.05)。⑤操作时间比较:Ⅱ组和Ⅲ组均明显长于Ⅰ组(P<0.001),Ⅱ组时间明显长于Ⅲ组(P<0.05)。⑥3组均未见明显不良反应。结论:超声引导下针刀松解联合复方倍他米松注射液治疗扳机指效果优于单纯复方倍他米松注射液,V型针刀松解优于平口型针刀。 展开更多
关键词 扳机指 超声引导 平口型针刀 V型针刀 针刀松解术
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miR-200c/ZEB1/E-cadherin轴在胆管癌转移侵袭中的作用及对胆管癌预后评估的价值
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作者 潘超 许蔚 +2 位作者 刘子君 陶平 杨士勇 《现代肿瘤医学》 CAS 2024年第7期1287-1294,共8页
目的:探讨微小RNA-200c(miR-200c)/锌指转录因子(ZEB1)/E-钙黏蛋白(E-cadherin)在胆管癌(HCCA)转移、侵袭中的作用及对HCCA预后评估的临床价值。方法:选取2020年08月至2022年12月间我院收治的胆管癌患者36例为研究对象,同时选取胆管良... 目的:探讨微小RNA-200c(miR-200c)/锌指转录因子(ZEB1)/E-钙黏蛋白(E-cadherin)在胆管癌(HCCA)转移、侵袭中的作用及对HCCA预后评估的临床价值。方法:选取2020年08月至2022年12月间我院收治的胆管癌患者36例为研究对象,同时选取胆管良性疾病患者(胆总管结石或胆管良性狭窄)20例作为对照。采用原位杂交、实时荧光定量PCR检测miR-200c在HCCA患者组织及血清中的表达;生存曲线分析miR-200c表达与总生存期的相关性;Transwell实验检测细胞的迁移及侵袭能力;免疫印迹检测ZEB1及E-cadherin蛋白的表达。体内研究构建裸鼠成瘤实验,采用免疫组化检测ZEB1及E-cadherin蛋白的表达;Tunel技术检测组织中的凋亡情况。受试者工作特征(ROC)曲线评估生物标志物对胆管癌预后的诊断效能。结果:miR-200c低表达于HCCA组织及血清中;生存曲线分析显示,miR-200c表达与患者的总生存期呈正相关性,TNM分期与患者的总生存期呈负相关性;miR-200c mimics抑制了胆管癌细胞的迁移和侵袭能力,并降低ZEB1表达而诱导E-cadherin表达;转染ZEB1逆转miR-200c的作用效应,促进胆管癌细胞的迁移和侵袭特性,抑制胆管癌细胞的凋亡。CA199、CEA和miR-200c联合检测诊断胆管癌预后的ROC曲线下面积为0.892,灵敏度0.8611,特异度0.8000。结论:miR-200c/ZEB1/Ecadherin轴参与胆管癌的转移侵袭;CA199、CEA和miR-200c联合检测对胆管癌预后的诊断效能良好,对临床胆管癌的治疗策略具有重要指导价值。 展开更多
关键词 胆管癌 微小RNA-200c(miR-200c) 锌指转录因子(ZEB1) E-钙黏蛋白(E-cadherin) 迁移 侵袭
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指背静脉移植在血管缺损的断指再植术中的临床应用
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作者 于晋辉 田宇 张士伟 《血管与腔内血管外科杂志》 2024年第1期93-97,共5页
目的探讨指背静脉移植在血管缺损的断指再植术中的应用效果。方法收集2021年4月至2022年8月于秦皇岛市第一医院进行断指再植术的35例手指离断患者(40指)的临床资料,术中均采用指背静脉移植桥接术。观察术中镜下挫伤血管内膜挫伤分布情况... 目的探讨指背静脉移植在血管缺损的断指再植术中的应用效果。方法收集2021年4月至2022年8月于秦皇岛市第一医院进行断指再植术的35例手指离断患者(40指)的临床资料,术中均采用指背静脉移植桥接术。观察术中镜下挫伤血管内膜挫伤分布情况,记录血管移植的时间。比较同水平面指背静脉与缺损血管的管径,观察术后再植手指的成活情况、并发症发生情况和成活手指的功能恢复情况。结果术后手指成活率为95.0%(38/40)。自切取静脉至完成两处吻合口的时间一般约为40分钟,吻合质量良好。同水平面指背静脉与缺损血管的管径相当或略粗。术后6个月,在成活的38个再植手指中,手指功能优10指,良25指,差3指,优良率为92.1%(35/38)。结论在血管缺损的断指再植术中,指背静脉移植可在避免再植时过多缩短指骨、关节融合或截指的情况下获得满意的外形和优良的功能。 展开更多
关键词 指背静脉移植 断指再植术 血管缺损
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混合阻塞变刚度软手指设计与实验
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作者 李东民 马文平 +3 位作者 王雨 方佳琪 张国辉 丁国伟 《农业机械学报》 EI CAS CSCD 北大核心 2024年第1期436-445,458,共11页
为了解决单一阻塞介质变刚度软机械手抓取复杂外形物体效果不佳的问题,受人体手指结构启发,设计了一种仿指腹结构的混合阻塞变刚度软手指。将其设计为双层结构,外层为气动驱动器,内层为基于主动层干扰与被动颗粒阻塞的混合阻塞变刚度层... 为了解决单一阻塞介质变刚度软机械手抓取复杂外形物体效果不佳的问题,受人体手指结构启发,设计了一种仿指腹结构的混合阻塞变刚度软手指。将其设计为双层结构,外层为气动驱动器,内层为基于主动层干扰与被动颗粒阻塞的混合阻塞变刚度层,使得软手指自动贴合被抓取对象,实现主动驱动的被动适应,并通过调整刚度实现可靠抓取。基于传统缝纫工艺,采用超弹性硅胶材料制造软手指。采用Euler-Bernoulli梁理论和虚功原理,建立了基于悬臂梁结构下的多材料软手指的刚度控制模型,并据此提出增大整体刚度的材料筛选方法。弯曲特性实验表明软手指的弯曲性能优异。变刚度和抓取实验结果表明,混合阻塞软手指刚度增大4.6倍,建立的刚度模型最大相对误差为3.4%;在抓取对象表面粗糙度增大的条件下,软手指拉脱力仍增大17%,达到1.7 N;相较于单阻塞介质软手指,抓取成功率和承载能力均得到显著提高。 展开更多
关键词 软手指 变刚度 混合阻塞 层干扰
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网格结构Pneu-Net软体驱动器内部压力分析与应用
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作者 胡俊峰 颜小金 肖承坤 《传感器与微系统》 CSCD 北大核心 2024年第3期164-168,共5页
从流体力学的角度来对驱动器内部气压分布进行分析,利用长波近似的方法将气动网格软体驱动器简化成弹性直管道,推导出驱动器内部流体流动控制方程,得到驱动器内部气压、轴向位置与时间之间的关系,并通过实验验证了控制方程的准确性。根... 从流体力学的角度来对驱动器内部气压分布进行分析,利用长波近似的方法将气动网格软体驱动器简化成弹性直管道,推导出驱动器内部流体流动控制方程,得到驱动器内部气压、轴向位置与时间之间的关系,并通过实验验证了控制方程的准确性。根据管径越小流阻越大的特性,设计了一种气道半径渐变的三关节仿生手指,实现三关节仿生手指在单气源输入下的依次顺序弯曲,简化了气压驱动的控制方式。 展开更多
关键词 软体驱动器 压力分析 运动延迟 仿生手指
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