胃复春片对慢性胃病患者窦D细胞的影响

目的：探讨胃复春片治疗慢性胃病患者前后生长抑素内分泌细胞(D细胞)数量变化。方法：用免疫组化酶链亲合素过氧化酶复合技术(SABC)对患者治疗前后胃粘膜组织的D细胞染色，观察治疗前后D细胞的形态和数量变化。结果：经胃复春片治疗后，患者胃窦粘膜D细胞阳性数及强阳性率均明显下降，有显著意义。结论：胃复春片对慢性胃病患者生长抑素D细胞有调整作用。     

脑出血患者血清胃泌素水平测定及意义

目的探讨血清胃泌素水平与脑出血并发应激性溃疡之间的关系.方法用放免法测定脑出血病人发病后24小时内及恢复期血清胃泌素水平,并与正常人作对照.所获数据用t检验.结果脑出血病人发病后24小时血清胃泌素水平较正常对照组明显增高,合并应激性溃疡出血者升高更显著,恢复期病人血清胃泌素水平与正常对照组相比无显著性差异.结论胃泌素在脑出血并发应激性溃疡的发生中起重要作用.     

Use of commercially available cell culture inserts for primary culture and electrophysiologic studies of guinea pig gastric mucous epithelial cells

Summary The adherence, growth, and electrophysiologic properties of guinea pig gastric mucous epithelial cells were investigated using porous membrane filters. We also tested three commercially available Ussing-type chambers that were designed to be used with the various porous membrane supports. Overall, the 0.45-µm Falcon-Cyclopore porous membrane was found to be very favorable for the consistent attachment and growth of our cells. This same filter also gave good results in the detection of periodic acid Schiff-positive mucous glycoprotein and Nile red neutral lipid fluorescence in the gastric mucous cells. Our cells grew poorly on collagen-coated Costar-Snapwells and Millipore Millicell-CM porous filters. For measurement of transepithelial potential difference resistance, and short-circuit current, the Costar-Snapwell with the Costar-Snapwell Diffusion-chamber system was superior in design and operation when compared to the Costar Transwell-COL, Falcon-Cyclopore, or Anotec-Anocell porous inserts used with conventional Ussing-chambers. The gastric mucous cells grew best on ICN-Cellagen membranes, but these filters routinely detached from their plastic holder and therefore could not be used for Ussing-chamber studies. The large 24.5-mm, 0.40-µm pore size Costar-Transwell-COL and the 24.1-mm, 0.45-µm Falcon-Cyclopore membranes gave good results when used in a modified horizontal-chamber for microelectrode analysis of membrane potentials and resistances of the gastric mucous cell monolayers.     

正常人及胃癌患者胃蛋白酶原C基因多态性研究

以ＰＧＣ３０１为探讨，对１０例胃癌组织及１１例正常人体组织基因组ＤＮＡ中胃蛋白酶原Ｃ基因的ＥｃｏＲ Ｉ限制性片段长度多态性作了观察分析。发现在正常人体有三种常见等位片段，分别为２０ｋｂ、５．７ｋｂ及３．６ｋｂ；一种稀有片段，３．５ｋｂ。在胃癌患者，未发现与正常人体不同的等位片段。但是，稀有片段及稀有杂交带型的出现频率高于正常组。这一结果对深入探讨胃蛋白酶原Ｃ基因稀有片段及稀有杂交带型对胃癌的诊断价     

胃癌组织中雌激素受体的表达及其临床意义

采用石蜡切片免疫组化法，测定了４８例胃癌组织中雌激素受体的分布。结果阳性者１７例，阳性率３５．４％；同时测定１２例非肿瘤性胃粘膜（慢性炎症及胃溃疡）作为对照，结果仅１例阳性（８．３％），两者之间有明显差异（Ｐ＜０．０１）。各年龄组及性别间差异均无统计学意义。将胃癌分成分化型及未分化型（包括印戒细胞癌）两组，结果显示未分化型癌的阳性率（６１．５％）比分化型者（１８．２％）明显增高（Ｐ＜０．０ｌ）。表示雌激素在癌的发生、发展中有明显的刺激作用，癌细胞的生长及恶性度对雌激素有一定依赖性。临床上应用内分泌疗法对雌激素受体阳性肿瘤进行辅助治疗是行之有效的。     

细小病毒H－1对肿瘤细胞株的杀伤研究

本文利用细胞集落形成测定细胞存活率的方法，检测了仓鼠细小病毒（ＰＶＨ－１）对２株不同分化程度的胃癌细胞的抑制作用。同时收集感染后４８ｈ、７２ｈ、９６ｈ、１４４ｈ的胃癌细胞，利用电镜观察胃癌细胞的变化。结果表明，ＰＶＨ－１能抑制不同分化程度的胃癌细胞株，其敏感性与胃癌细胞的分化程度有关。     

Giant splenic metastasis due to lung adenocarcinoma

Lung cancer is the most prevalent malignancy in western countries and most of the patients present at advanced stages, but single splenic metastasis is exceptional instead. We report on a case of a seventy-three-year old male presenting with non-hemoptoic productive cough, constitutional syndrome and pain in the left lower quadrant. Physical examination and complementary radiological and hystologycal procedures revealed the presence of an adenocarcinoma of the left lung with probable splenic metastasis. The patient underwent splenectomy, which confirmed the diagnose of splenic metastasis of lung adenocarcinoma and, secondly, lung resection was performed. Topics about lung cancer metastasis are discussed.     

重型颅脑损伤后应激性溃疡防治与胃肠道感染的相关性及对策

目的探讨重型颅脑损伤患者应用洛赛克对应激性溃疡进行防治与胃肠道感染几率增加之间的关系及治疗对策。方法回顾近3年来我院收治的重型颅脑损伤并存活30 d以上病人176例,测定不同时间胃液pH值并分析防治应激性溃疡与发生胃肠道感染的相关性以及相应对策。结果在126例持续应用洛赛克的患者中,持续应用＞7 d的患者胃肠道感染发生率明显高于持续应用≤7 d的病人。其余50例间隔应用洛赛克患者与126例持续应用洛赛克患者相比,应激性溃疡发生率无明显差别,但间隔应用洛赛克患者胃肠道感染发生率较持续应用洛赛克＞7 d的患者明显下降。结论重型颅脑损伤患者应激性溃疡防治＞7 d者,由于胃酸分泌严重抑制,增加胃肠道感染发生率。间隔性应用洛赛克治疗在抑制胃酸分泌,减少应激性溃疡发生的同时,可明显减少胃肠道感染的发生。     

大鼠壁细胞的黏膜刮取式分离方法

采用黏膜刮取式方法，分离大鼠胃黏膜细胞。用相差显微镜、HE染色、电镜、荧光显微镜、免疫细胞化学染色等方法，对壁细胞进行观察和鉴定，并测定了壁细胞直径。结果成功地分离了大鼠胃黏膜细胞，同时证实，壁细胞在所分离的细胞中直径最大。