Clinicopathological features of intravascular large B-cell lymphoma and collision tumors of five cases / 中华病理学杂志

Objective: To investigate the clinicopathological characteristics, diagnosis and differential diagnosis of intravascular large B-cell lymphoma (IVLBCL) and its collision tumors. Methods: Five cases of IVLBCL were collected, including 2 cases of collision tumors, and 1 case complicated with liver cirrhosis. The morphology and immunophenotype were analyzed. The related literature was reviewed. Results: There were 2 females and 3 males, aged from 53 to 73 years, with a median age of 65 years. The tumors were located in the lower extremities, right cerebellar hemisphere, left kidney, bilateral nasal cavity, and liver, respectively. Cases 2 and 3 were incidentally found in meningioma and renal cell carcinoma tissues, respectively. Case 5 had a background of liver cirrhosis. Morphologically, atypical large lymphoid cells were located in small blood vessels and capillary lumen, with little cytoplasm, hyperchromasia, prominent nucleoli, and obvious mitotic figures. Immunohistochemically, the IVLBCL tumor cells expressed CD20 and PAX5; 2 cases were CD5 positive. One of the 5 cases was GCB phenotype, and 4 cases were non-GCB phenotype. All cases expressed C-MYC (positive rate was 10%-40%). PD-L1 was positive in 4 cases (positive rate was 60%-90%). Ki-67 proliferation index was 70%-90%. CKpan, CD3, TDT, and CD34 were negative. In case 2, meningioma cells were positive for PR, EMA, and vimentin, but negative for CKpan and PD-L1. In case 3, renal carcinoma cells were positive for CKpan, PAX8, EMA, vimentin, CAⅨ and CD10, while PD-L1 was negative. No EBER expression (by in situ hybridization) or C-MYC gene translocation (FISH, break-apart probe) was detected in any of the 5 cases. Three patients were followed up, and all died within 1-13 months. Conclusions: IVLBCL is a highly aggressive lymphoma, with occult clinical manifestations and poor prognosis. Collision tumors of IVLBCL are extremely rare. A better understanding of IVLBCL would help pathologists avoid misdiagnoses.

Shikonin suppresses invasion and migration of non-small cell lung cancer cells A549 / 中国免疫学杂志

Objective: Lung cancer is the most commonly diagnosed cancers and the leading cause of cancer death worldwide. This study aims to explore the effect and mechanism of shikonin on invasion and migration of non-small cell lung cancer cells A549. Methods: Cell viability was detected by CCK-8. Transwell assay was performed to analyze the invasion of A549. Wound healing assay was used to measure the migration of A549. The expression of vascular endothelial growth factor ( VEGF), matrix metalloprotein 14 ( MMP-14), fibronectin ( FN), Vimentin, PI3 K, p-AKT and p53 was tested by Western blot. Results: Cell viability of A549 was reduced by shikonin. Compared with control group, the invasion of A549 in shikonin group ( 20, 50, 100 mmol/L) was decreased as well as the migration ( P＜0. 05). The expression of VEGF, MMP-14, Fn and Vimentin in shikonin group ( 20, 50, 100 mmol/L) was lower than control group ( P＜0. 05). Compared with A549 group, the expression of PI3 K and p-AKT in IGF-1 group was increased with alleviated expression of p53 ( P＜0. 05). Compared with IGF-1 group, the expression of PI3 K and p-AKT in shikonin group ( 20, 50, 100 mmol/L) declined with enhancive expression of p53 ( P ＜ 0. 05). Conclusion: Shikonin suppresses invasion and migration of NSCLC cells A549 through inhibition of PI3 K/AKT signal pathway.

Correlative Study on TCM Constitution Types and Sleep Quality Among Elderly in Hunan Province / 中国中医药信息杂志

Objective To study the correlation between TCM constitutions and sleep quality in the elderly population in Hunan Province; To provide a basis for improving sleep quality and adjusting the unbalanced constitutions of the elderly. Methods Multi-stage stratified sampling combined with convenient sampling method was used. TCM constitution rating scale, Pittsburgh sleep quality index, and self-designed general demographic, health and lifestyle questionnaire were used to conduct cross-sectional survey of elderly people living in Hunan Province. Results PSQI scores were negatively correlated with the balanced constitution, and positively correlated with unbalanced constitution, and sleep disturbance was closely related to yang deficiency and qi deficiency. The damp heat, phlegm-dampness, blood stasis, yin deficiency and qi deficiency got the highest scores in the five factors of sleep latency, sleep duration, sleep efficiency, sleep disorders and daytime dysfunction respectively. Conclusion Sleep problems of the elderly in Hunan Province are more prominent, and constitutions and sleep quality affect each other. Different TCM constitutions of sleep disorders in the elderly are different, and should be adjusted according to the constitutions.

Influence of rutin on the effects of neonatal cigarette smoke exposure-induced exacerbated MMP-9 expression, Th17 cytokines and NF-κB/iNOS-mediated inflammatory responses in asthmatic mice model

Allergic asthma is one of the most enduring diseases of the airway. The T-helper cells and regulatory T-cells are critically involved in inflammatory responses, mucus hypersecretion, airway remodelling and in airway hyper-responsiveness. Cigarette smoke (CS) has been found to aggravate inflammatory responses in asthma. Though currently employed drugs are effective, associated side effects demand identification and development of novel drugs with negligible or no adverse effects. Rutin, plant-derived flavonoid has been found to possess antioxidant and anti-inflammatory effects. We investigated the ability of rutin to modulate T-cells and inhibit inflammation in experimentally-induced asthma in cigarette smoke exposed mice. Separate groups of neonatal mice were exposed to CS for 10 days from post-natal days 2 to 11. After 2 weeks, the mice were sensitized and challenged with ovalbumin (OVA). Treatment group were given rutin (37.5 or 75 mg/kg body weight) during OVA sensitization and challenge. Rutin treatment was found to significantly inhibit cellular infiltration in the airways and Th2 and Th17 cytokine levels as well. Flow cytometry revealed effectively raised CD4⁺CD25⁺Fox3⁺ Treg cells and supressed Th17 cell population on rutin treatment. Airway hyper-responsiveness observed following CS and OVA challenge were inhibited by rutin. NF-κB and iNOS, chief regulators of inflammatory responses robustly activated by CS and OVA were down-regulated by rutin. Rutin also inhibited the expression of matrix metalloproteinase 9, thereby aiding in prevention of airway remodelling in asthma thereby revealing to be a potent candidate in asthma therapy.

Safflower Injection combined with alprostadil and sildenafil treats the chronic pulmonary heart disease complicated with pulmonary hypertension / 中成药

AIM To observe the effect of Safflower Injection (safflower yellow) combined with alprostadil and sildenafil in the treatment of chronic pulmonary heart disease (chronic cor pulmonale) complicated with pulmonary hypertension.METHODS Two hundred and twenty-three cases of chronic pulmonary heart disease complicated with pulmonary hypertension patients were randomly divided into two groups,the control group of one hundred and eleven cases in conventional therapy plus alprostadil and sildenafil,one hundred and twelve cases in the treatment group were treated with Safflower Injection on the basis of the control group.The efficacy and side effects in two groups were observed.RESULTS The total effective rate of the treatment group was significantly higher than that of the control group.Pulmonary artery systolic pressure (SPAP),pulmonary arterial mean pressure (mPAP) and pulmonary artery diastolic blood pressure (DPAP) in two groups,compared with those before the treatment,were significantly decreased,left ventricular shoot ejection fraction (LVEF),compared with those before treatment,was significantly increased;SPAP,mPAP and DPAP of treatment group after the treatment were decreased significantly as compared with the control group,LVEF was significantly increased.Arterial partial pressure of oxygen (PaO2) and arterial oxygen saturation (SaO2) in two groups,compared with those before the treatment,were significantly increased,carbon dioxide partial pressure (PaCO2),compared with those before the treatment,was significantly decreased;after treatment in the treatment group,PaO2 was significantly increased as compared with the control group.Blood high shear viscosity,whole blood viscosity at low shear,plasma viscosity,red blood cell pressure volume and platelet aggregation rate in two groups were significantly lower than those before the treatment;whole blood high shear viscosity,whole blood viscosity of low shear,plasma viscosity and platelet aggregation rate in the treatment group,compared with the control group,were decreased significantly.High sensitive C reactive protein (hsCRP),creatine kinase (CK-MB) and cardiac troponin Ⅰ (TnⅠ) in two groups,compared with those before the treatment,were significantly reduced;after the treatment,hs-CRP,CK-MB and TnⅠ in the treatment group,compared with the control group,were decreased significantly.There was no difference in incidence of adverse reactions between the two groups.There were no significant changes in liver and renal functions before and after the treatment in two groups.CONCLUSION Safflower Injection combined with alprostadil and sildenafil in the treatment of chronic pulmonary heart disease complicated with pulmonary hypertension has a good curative effect.

Effect of Chinese Herbal Medicine Jinlida Granule in Treatment of Patients with Impaired Glucose Tolerance / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Diabetes mellitus (DM) remains a major health problem worldwide. Several clinical trials have shown the superiority of the Traditional Chinese Medicine in delaying or reversing the development and progression of DM. This study aimed to evaluate the efficacy of Jinlida (JLD) granule, a Chinese herbal recipe, in the treatment of impaired glucose tolerance (IGT) and its effect on the prevention of DM.</p><p><b>METHODS</b>Sixty-five IGT patients were randomized to receive one bag of JLD granules three times daily (JLD group, n = 34) or no drug intervention (control group, n = 31) for 12 weeks. Oral glucose tolerance test, glycated hemoglobin A1c (HbA1c), body mass index, blood lipids levels, fasting insulin, and insulin resistance calculated using homeostatic model assessment (HOMA-IR) of all the patients were observed and compared before and after the treatment.</p><p><b>RESULTS</b>Sixty-one participants completed the trial (32 in JLD group and 29 in the control group). There were statistically significant decreases in HbA1c (P < 0.001), 2-h plasma glucose (P < 0.001), and HOMA-IR (P = 0.029) in JLD group compared with the control group after 12 weeks of treatment. After 12 weeks of treatment, two (6.9%) patients returned to normal blood glucose, and five (17.2%) patients turned into DM in control group, while in the JLD group, 14 (43.8%) returned to normal blood glucose and 2 (6.2%) turned into DM. There was a significant difference in the number of subjects who had normal glucose at the end of the study between two groups (P = 0.001).</p><p><b>CONCLUSIONS</b>JLD granule effectively improved glucose control, increased the conversion of IGT to normal glucose, and improved the insulin resistance in patients with IGT. This Chinese herbal medicine may have a clinical value for IGT.</p>

Cordblood-Based High-Throughput Screening for Deafness Gene of 646 Newborns in Jinan Area of China

OBJECTIVES: Infants with slight/mild or late-onset hearing impairment might be missed in universal newborn hearing screening (UNHS). We identified the mutation hot spot of common deaf gene in the newborns in Jinan area population by screening the mutation spot with neonate cord blood, in order to make clear whether the neonate cord blood for screening is feasible. METHODS: Six hundred and forty-six newborns were subjected to both UNHS and genetic screening for deafness by using neonate cord blood. The newborn genetic screening targeted four deafness-associated genes, which were commonly found in the Chinese population including gap junction beta-2 protein (GJB2), gap junction beta-3 protein (GJB3), solute carrier family 26 member 4 (SLC26A4), and mtDNA 12S rRNA. The most common 20 spot mutations in 4 deaf genes were detected by MassARRAY iPLEX platform and mitochondrial 12S rRNA A1555G and C1494T mutations were sequenced using Sanger sequencing. RESULTS: Among the 646 newborns, 635 cases passed the UNHS and the other 11 cases (1.7%) did not. Of the 11 failures, two cases were found to carry homozygous GJB2 p.R143W pathogenic mutation, one case was found to have heterozygous GJB2 235delC mutation, and another one case carried heterozygous GJB3 p.R180X pathogenic mutation. Six hundred and thirty-five babies passed the newborn hearing screening, in which 25 babies were identified to carry pathogenic mutations, including 12 heterozygotes (1.9%) for GJB2 235delC, eight heterozygotes (1.3%) for SLC26A4 IVS7-2A>G, one heterozygote (0.2%) for p.R409H, two homozygotes (0.3%) for m.1494C>T, and two homozygotes (0.3%) for m.1555A>G. CONCLUSION: Newborn genetic screening through the umbilical cord blood for common deafness-associated mutations may identify carriers sensitive to aminoglycoside antibiotic, and can effectively prevent or delay hearing loss occurs.

Study of caries polarization in 2-5 year-old children of Shenyang, China / 华西口腔医学杂志

<p><b>OBJECTIVE</b>To investigate dental caries polarization in 2-5 year-old children.</p><p><b>METHODS</b>3 799 random samples of 2-5 year-old children from attending kindergarten in Shenyang were selected. Means of dmft index and SiC index for each age group were calculated by WHO Collaborating Center. The subjects of each age group were further divided into subgroups of different level of dmft: the dmft of subgroup I was 0, the dmft of subgroup II was 1, the dmft of subgroup III was 2, the dmft of sub-group IV was equal to or more than 3. The obtained data were analyzed statistically with SPSS 10.0.</p><p><b>RESULTS</b>4.5% of 2-year-old children were carriers of 60.0% of the total dmft in that age group, 13.2% of 3-year-old children were carriers of 69.4% of the total dmft in that age group, 34.4% of 4-year-old children were carriers of 86.6% of the total dmft in that age group, and 47.8% of 5-year-old children were carriers of 89.8% of the total dmft of that age group.</p><p><b>CONCLUSION</b>This study supports the assertion that a small percentage of persons with high dental caries rate and a large percentage of caries-free persons of early childhood caries.</p>