Hereditary characteristics of enzyme deficiency and dermatoglyphics in congenital color blindness

The hereditary characteristics of enzyme deficiency and dermatoglyphics in congenital color blindness (CCB) were studied. We propose that there is a linkage between the two loci on the X-chromosome determining CCB and glucose-6-phosphate dehydrogenase (G6PD), based on our study of a high incidence of G6PD deficiency in 156 male cases with CCB. The CCB gene is closely linked with that of G6PD deficiency from our pedigree investigations. The rise in the frequency of eight or more whorls, the low value of atd angle and the presenting rate of real palmar patterns of the thenar, hypothenar and I, areas presented the hereditary traits of congenital color blindness.     

Model parameters of the smooth pursuit eye movement system with electrooculogram

The visual pursuit test is a method that collects and analyzes the characteristics of pursuit eye movements and examines the function of the eye movement system. This paper analyzes the model parameters of the smooth pursuit eye movement system in order to explore a method for improving the analysis. The input-output relationship of the smooth pursuit system can be expressed by a quasilinear model. We compute the model parameters (gain, phase, spectral purity, cross covariance) by digital signal processing. Eye movement is recorded by electrooculogram. Both eyes are tested individually. The visual target moves at frequencies of 0.2, 0.4, 0.8, 1.2, and 1.6 Hz. Ranges are gain, 1.01 to 0.70; phase, -0.1 ° to -66 °; spectral purity, 0.97 to 0.70; and cross covariance, 0.99 to 0.26. We tested 40 normal subjects as well as patients with ataxia (8), vertigo (18), and ophthalmoplegia (9). The oculomotor system of normal subjects functions as a linear system in the performance of this test at 0.2 to 0.8 Hz. The spectral purity dropped to about 0.70 at 1.6 Hz. The variability of all measures increases greatly at 1.6 Hz, which indicates that this target motion exceeds the tracking ability of many normal subjects and that the oculomotor system of normal subjects functions as a nonlinear system in this condition. Statistical tests show no significant differences between sex, age, and the two eyes. The model parameters tentatively proved effective in clinical application.     

A novel DRB1*09 allelic sequence in the Jing ethnic minority of China.

A new DRB1 allele, DRB1*0902, has been identified in an individual of the Jing ethnic minority. Its sequence was confirmed by sequencing of PCR products and clones. This allele differed by three nucleotides from DRB1*09012 at positions 157, 161 and 166, and resulted in amino acid motif substitution from VAES to DAEY.     

广泛性焦虑症与抑郁症患者免疫、内分泌及单胺递质的对照研究

目的探讨广泛性焦虑症(GAD)与抑郁症(MD)患者在免疫、内分泌和单胺递质方面的差异。方法 对30例GAD患者(焦虑症组)、38例MD患者(抑郁症组)在治疗(5-羟色胺再摄取抑制剂治疗6~8周)前后分别检测血清白细胞介素2(IL-2)、白细胞介素6(IL-6)、白细胞介素1β(IL-1β)、白细胞介素8(IL-8)、可溶性白细胞介素6受体(SIL-6R)、肿瘤坏死因子α(TNF-α)、皮质醇(CS)、促肾上腺皮质激素(ACTH)、肾上腺素(EPH)和去甲肾上腺素(NE)水平。选择30名年龄和性别与患者组相匹配的健康人为对照组。结果 (1)焦虑症组治疗前IL-8[(122±76)ng／L]、SIL-6R[(2 065±790)ng／L]水平均高于对照组(99±68)ng／L]、[(294±48)ng／L,IL-6水平为(1.6±0.7)ng／L,低于对照组[(5.3±2.7)ng／L],差异均有显著性意义(P<0.05);抑郁症组治疗前IL-2[(7.7±6.7)ng／L]、IL-8[(119±67)ng／L]、SIL-6R[(1308±371)ng／L]水平均高于对照组,差异均有显著性意义(均P<0.05)。经治疗后,焦虑症组IL-6[(4.3±1.2)ng／L]水平较治疗前升高,IL-8[(39±9)ng／L]水平较治疗前降低(P<0.05);抑郁症组IL-2[(2.4±1.2)ng／L]、IL-8[(47±15)ng／L]水平较治疗前降低(P<0.05);均接近于对照组水平(均P>0.05)。(2)焦虑症组治疗前ACIH[(49±28)ng／L]、EPH[(67±45)ng／     

麻痹性痴呆12例临床分析

目的探讨麻痹性痴呆(GPI)患者的临床表现,实验室检查、影像学、脑电图特征以及诊断、治疗及预后。方法回顾性分析经临床和实验室确诊的12例GPI患者的相关资料。结果GPI患者临床以智能障碍、精神异常、癫痫最常见。12例患者血清甲苯胺红凝集试验(TRUST)和梅毒螺旋体明胶凝集试验(TPPA)均( ),脑脊液TPPA均( ),而TRUST( )9例。头颅MRI检查结果示大脑皮质萎缩。3例以肢体抽搐为表现者脑电图可见广泛中高幅尖慢波,余脑电图为弥漫性慢波。经抗梅毒治疗,痊愈4例,显效5例,好转3例。结论GPI现已是我国神经梅毒分型中极常见类型,多见于中年男性,临床表现多变,早期误诊率高,早期发现、及时正规治疗预后好。     

The clinical significance of flow cytometric DNA measurement of paraffin specimen in bladder tumor

A retrospective study of flow cytometric measurements on paraffin embedded tumor specimens from 188 patients with bladder tumor was made and the results were analyzed in combination with the morphological changes of bladder tumors. It was found that the DNA ploidy pattern, degree of infiltration and the multiplicity of bladder tumor were closely related with tumor recurrence, among which the DNA ploidy pattern was most significant. In the aneuploid bladder tumors the recurrent rate and mean annual recurrent frequency were 76.7% and 1.46, and those in the diploid bladder tumors were 18.7% and 0.33 respectively. Aneuploidy was the most indicative parameter in the recurrence of bladder tumor. In addition, according to the DNA ploidy pattern and DNA index, the aneuploid tumors in our group were divided into 4 types, namely, tetraploid tumors, non-euploid tumors with DNA index less than or equal to 1.5, non-euploid tumors with DNA index greater than 1.5 and two-aneuploid tumors. The results showed that the recurrent rate of tetraploid tumor was relatively low and it became higher and higher in the following order, e.g., non-euploid tumors with DNA index less than or equal to 1.5, non-euploid tumors with DNA index greater than 1.5 and two-aneuploid tumors, indicating that there were different biological behaviors in tumors with different ploidy patterns. Finally, the relationship between DNA ploidy pattern and tumor metastasis was also discussed.     

Radioimmunotherapy combined with chemotherapy and immunotherapy for nude mice bearing human hepatocellular carcinoma

A comparative study of multiple modalities, radioimmunotherapy combined with cisplatin and MBV was made. The tumor size and macrophage activity (acid phosphatase) were measured after treatment. The results showed that the tumor inhibition rates were 48, 55, 74, 76, 79% in radioimmunotherapy, cisplatin, radioimmunotherapy + MBV, radioimmunotherapy + cisplatin and radioimmunotherapy + MBV + cisplatin groups, respectively. Radioimmunotherapy was effective in controlling tumor growth, especially in sequential treatment by two injections. Both cisplatin and MBV could increase therapeutic effect of radioimmunotherapy. Therefore, combination of the three modalities is the best choice for tumor growth control. The effectiveness of MBV may be related to the increase of macrophage activity. Preliminary clinical results were satisfactory. Decline in serum AFP level and shrinkage of tumor were observed in 80% (12/15) and 65% (13/20) of the patients. It is suggested that combination of multiple treatment modalities may provide an important approach to treat moderately advanced liver cancer.