目的:研究孤立性纤维瘤患者的复发特点及每次手术标本的病理特点,分析孤立性纤维瘤的生物学行为特点,以便为患者选择最佳的治疗方案,以期获得更大的临床收益和更长生存时间。方法:回顾性研究2011年11月01日至2019年05月31日于我院住院...目的:研究孤立性纤维瘤患者的复发特点及每次手术标本的病理特点,分析孤立性纤维瘤的生物学行为特点,以便为患者选择最佳的治疗方案,以期获得更大的临床收益和更长生存时间。方法:回顾性研究2011年11月01日至2019年05月31日于我院住院行孤立性纤维瘤切除手术的18例患者的临床和病理资料(3例曾在外院手术者借阅既往病历资料和病理标本切片),综合分析患者的临床资料和病理特点。比较16份孤立性纤维瘤标本肿瘤微环境蛋白质组学构成变化。结果:随访期间18例患者手术后的生存时间从1个月到213个月,平均生存时间为57.9个月。6例复发后再手术者中,3例死于疾病进展,2例带瘤生存,1例治愈,手术次数2~5次。6例复发后再手术者中,有5例为2次及以上复发者,其中4例复发间隔时间递减。6例复发后再手术者中,随着复发次数的增多,肿瘤细胞核分裂象明显增加,Ki-67阳性率明显增加,病理结果逐步由良性转为交界性,甚至恶性。提示复发性孤立性纤维瘤患者的肿瘤细胞随着手术次数的增加,恶性程度也在随之增加。4个因为肿瘤进展而死亡的病例肿瘤均来源于腹腔和盆腔。蛋白质组学研究发现,肿瘤中的processing of RNA和splicing of RNA相关蛋白上调表达,肿瘤微环境中的中性粒细胞相关蛋白表达水平上升。结论:孤立性纤维瘤手术后容易复发,随手术次增加,其复发间隔变短,并且恶性程度递增。延长复发后的观察时间,尽量减少手术次数,可能达到患者更优的生存收益。腹腔和盆腔来源的孤立性纤维瘤呈现更多侵袭性,容易造成死亡。孤立性纤维瘤有可能分泌促进自身生长的因子,或者肿瘤切除之后人体合成的促进细胞组织和生物生发的激素明显下降。蛋白质组学研究结果分析发现,手术创伤引起的炎症反应,导致免疫相关蛋白在病灶处富集,并在肿瘤富集形成大量的毛细血管从而导致肿瘤细胞的增殖与转移。展开更多
In arid and semiarid areas,water uptake (non-rainfall water) serves as an important water source for plants,biological soil crusts,insects and small animals.In this study,a measurement program was undertaken to invest...In arid and semiarid areas,water uptake (non-rainfall water) serves as an important water source for plants,biological soil crusts,insects and small animals.In this study,a measurement program was undertaken to investigate water uptake and its changes during formation of man-made algal crusts in the Qubqi Desert.In the study region,water uptake from the atmosphere accounted for 25.07%-39.83% of the total water uptake,and was mainly taken up by a water vapor adsorption mechanism;the proportion of water uptake from the soil substrate was much higher (60.17%-74.93%).The formation of crusts promoted water uptake,but the increased uptake did not occur immediately after inoculation or crusts formation.The water taken up from the atmosphere increased significantly from day 15 after inoculation,and the soil water content was markedly enhanced from day 20 after inoculation.It is considered that the growth of algal filaments and their secretions were the main factors increasing the amount of water uptake and water content in the crusts,and these variables increased even during dry periods when some algae are likely to have died.展开更多
文摘目的:研究孤立性纤维瘤患者的复发特点及每次手术标本的病理特点,分析孤立性纤维瘤的生物学行为特点,以便为患者选择最佳的治疗方案,以期获得更大的临床收益和更长生存时间。方法:回顾性研究2011年11月01日至2019年05月31日于我院住院行孤立性纤维瘤切除手术的18例患者的临床和病理资料(3例曾在外院手术者借阅既往病历资料和病理标本切片),综合分析患者的临床资料和病理特点。比较16份孤立性纤维瘤标本肿瘤微环境蛋白质组学构成变化。结果:随访期间18例患者手术后的生存时间从1个月到213个月,平均生存时间为57.9个月。6例复发后再手术者中,3例死于疾病进展,2例带瘤生存,1例治愈,手术次数2~5次。6例复发后再手术者中,有5例为2次及以上复发者,其中4例复发间隔时间递减。6例复发后再手术者中,随着复发次数的增多,肿瘤细胞核分裂象明显增加,Ki-67阳性率明显增加,病理结果逐步由良性转为交界性,甚至恶性。提示复发性孤立性纤维瘤患者的肿瘤细胞随着手术次数的增加,恶性程度也在随之增加。4个因为肿瘤进展而死亡的病例肿瘤均来源于腹腔和盆腔。蛋白质组学研究发现,肿瘤中的processing of RNA和splicing of RNA相关蛋白上调表达,肿瘤微环境中的中性粒细胞相关蛋白表达水平上升。结论:孤立性纤维瘤手术后容易复发,随手术次增加,其复发间隔变短,并且恶性程度递增。延长复发后的观察时间,尽量减少手术次数,可能达到患者更优的生存收益。腹腔和盆腔来源的孤立性纤维瘤呈现更多侵袭性,容易造成死亡。孤立性纤维瘤有可能分泌促进自身生长的因子,或者肿瘤切除之后人体合成的促进细胞组织和生物生发的激素明显下降。蛋白质组学研究结果分析发现,手术创伤引起的炎症反应,导致免疫相关蛋白在病灶处富集,并在肿瘤富集形成大量的毛细血管从而导致肿瘤细胞的增殖与转移。
基金supported by the National Natural Science Foundation of China (Grant Nos. 30770395 and 30870470)partly by the Wuhan Science and Technology Bureau and the Inner Mongolia Planning Committee on high-tech industrialization
文摘In arid and semiarid areas,water uptake (non-rainfall water) serves as an important water source for plants,biological soil crusts,insects and small animals.In this study,a measurement program was undertaken to investigate water uptake and its changes during formation of man-made algal crusts in the Qubqi Desert.In the study region,water uptake from the atmosphere accounted for 25.07%-39.83% of the total water uptake,and was mainly taken up by a water vapor adsorption mechanism;the proportion of water uptake from the soil substrate was much higher (60.17%-74.93%).The formation of crusts promoted water uptake,but the increased uptake did not occur immediately after inoculation or crusts formation.The water taken up from the atmosphere increased significantly from day 15 after inoculation,and the soil water content was markedly enhanced from day 20 after inoculation.It is considered that the growth of algal filaments and their secretions were the main factors increasing the amount of water uptake and water content in the crusts,and these variables increased even during dry periods when some algae are likely to have died.
