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Phuphuakrat A Paris RM Nittayaphan S Louisirirotchanakul S Auewarakul P 《Journal of medical virology》2005,75(3):367-373
We showed previously that HIV-1 Rev Response Element (RRE) contains a certain degree of structural variation, and in a set of limited samples, RRE from HIV-1 natural isolates were found to have functional variability. The significance of the RRE heterogeneity is addressed further by analyzing the functional variation of RREs in a longitudinal cohort. While the RRE activity at early time points was not a good predictor of disease outcome, the RRE activity at late time points was correlated with rates of CD4+ count decline. These data suggest that RRE heterogeneity may be important in viral pathogenesis and disease progression. 相似文献
3.
Vutisiri Veerasarn Chonlakiet Khorprasert Vicharn Lorvidhaya Supatra Sangruchi Thanatip Tantivatana Ladawan Narkwong Yongyut Kongthanarat Imjai Chitapanarux Chanawat Tesavibul Apichart Panichevaluk Sirisak Puribhat Somphob Sangkittipaiboon Lak Sookpreedee Prasert Lertsanguansinchai Pramook Phromratanapongse Poonkiat Rungpoka Supamitr Trithratipvikul Bannakij Lojanapiwat Sathit Ruangdilokrat Pichai Ngampanprasert 《Radiotherapy and oncology》2004,73(2):179-185
BACKGROUND AND PURPOSE: To evaluate the efficacy and the safety of WF10 as adjunct to standard treatment in the management of late hemorrhagic radiation cystitis compared to standard treatment alone. PATIENTS AND METHODS: Cervical cancer patients with Grade 2 or 3 late hemorrhagic radiation cystitis, were randomized and treated with WF10 0.5 ml/kg body weight, diluted in physiological saline or 5% dextrose water 250 ml, intravenous infusions over 2 h on 5 consecutive days, every 3 weeks for 2 cycles plus standard treatment (WF10 group) or standard treatment alone (control group). Fifty patients in each group were evaluated by questioning; urinalysis and cystoscopy during a 1 year follow up. RESULTS: At week 7, 37 patients (74%) in the WF10 group and 32 patients (64%) in the control group showed complete resolution in objective hematuria (P = 0.28). Significantly lower use of antibiotics (P = 0.002) and antispasmodics (P < 0.001) was found in the WF10 group. Among the responders, 24 patients (77%) in the control group experienced recurrent objective hematuria, whereas in the WF10 group only 17 patients (47%) experienced a recurrence (P = 0.01). Recurrence of objective hematuria occurred significantly faster in the control group as evidenced by Kaplan-Meier and log-rank statistics (P = 0.004), suggesting a long-term effect of WF10. Cystoscopy, at the end of the treatment period and after the one year follow up showed overall improvement without significant difference between two groups. No severe toxicity was monitored. CONCLUSIONS: WF10 therapy is a safe, non-invasive and convenient method in the management of late hemorrhagic radiation cystitis. WF10 therapy, as adjunct to standard treatment, has significantly reduced recurrence of objective hematuria, compared to standard treatment alone, during a one year follow up. 相似文献
4.
Jeongja Park M.D. Deqin Sun M.S. David R. Genest M.D. Prasert Trivijitsilp M.D. Insoo Suh M.D. Christopher P. Crum M.D. 《Gynecologic oncology》1998,70(3):386-391
Background.The diagnosis of both low (LSIL) and high (HSIL) grade squamous intraepithelial lesions in the same cervical specimen may reflect classification variation, morphologic progressionin situ,and, conceivably, different HPV infections. We addressed these possibilities in cervical specimens previously diagnosed as containing both LSIL (condyloma/CIN1) and HSIL (CIN2/3).Methods.All cases with a histologic diagnosis of LSIL and HSIL from 1994–1996 were reviewed. On review, lesions were scored as (1) no significant variation in lesion grade (classification discrepancies) and showing a (2) one (CIN1–2) or (3) two (CIN1–3) grade shift in the same case. In cases in which a one or two grade shift was confirmed, low (CIN1) and high (CIN2–3) grade foci were microdissected and extracted DNA analyzed for HPV by PCR and RFLP analysis.Results.Of 98 cases available for review, 58 (59%) did not exhibit significant variation in grade (classification discrepancy), and 40 (41%) showed a one (25) or two (15) grade shift. Of the latter group both LSIL and HSIL foci were HPV(+) in 26 (65.0%). The same HPV was present in both LSIL and HSIL foci in 15/15 lesions with a one grade shift (CIN1–2). In contrast, a significantly higher proportion of lesions with a two grade shift (CIN1–3) contained two different HPV types (4/11 vs 0/15;P= 0.01). Combinations of HPVs in the low/high grade foci, respectively, included HPV 11/16 (1), 11/16 + 18 (1), and HPV39/16 (2).Conclusions.Lesions containing LSIL and HSIL which span two grades (CIN1 and CIN2) most likely represent morphologic progression in a single infection. Lesions containing CIN1 and CIN 3 may be attributed to both lesion progression and two coincident infections; the latter sometimes present in the same histologic section. The latter phenomenon has implications for both the diagnosis of CIN and interpretation of “morphologic progression” from very low to high grade in the same case. 相似文献
5.
Veerasarn V Lorvidhaya V Kamnerdsupaphon P Suntornpong N Sangruchi S Lertsanguansinchai P Khorprasert C Sookpreedee L Udompunturak S 《Gynecologic oncology》2007,104(1):15-23
OBJECTIVE: Concurrent chemoradiation is the standard treatment for locally advanced cervical cancer. This study was a preliminary result of a randomized two arms, prospective, open-label phase III trial comparing the activity and safety of the concurrent chemoradiation of Tegafur-Uracil and carboplatin or carboplatin alone in locally advanced cervical cancer. MATERIALS AND METHODS: The stage IIB-IIIB cervical cancer patients were randomized to have Tegafur-Uracil 225 mg/m(2)/day orally, 5 days a week and carboplatin 100 mg/m(2) IV over 30-60 min, weekly on day 1 concurrent with standard radiotherapy (Group A) or carboplatin alone concurrent with standard radiotherapy (Group B). RESULTS: Four hundred and sixty-nine patients were randomized to Group A (n=234) or Group B (n=235). The tumor response at 3-month follow-up time showed no significant difference. The only prognostic factor to improve the complete response rate was the hemoglobin level. The patients in Group A, who had Hb <10 gm/dL had the relatively better change to complete response of 1.48 compared to that in Group B (P 0.025, 95% CI 1.07, 2.04). No severe toxicity or adverse event had been reported. The median follow-up time for Group A and Group B was 12.6 and 11.8 months, respectively. There was no statistical difference in PFS and OS. CONCLUSION: Concurrent chemoradiation by Tegafur-Uracil and carboplatin showed no difference in tumor response rate or treatment toxicity compared to carboplatin alone. The combination drugs might have benefit in poor prognostic patients such as the baseline Hb <10 gm/dL. 相似文献
6.
Rojjanaporn Pulmanausahakul Sittiruk Roytrakul Prasert Auewarakul Duncan R. Smith 《International journal of infectious diseases》2011,15(10):e671
In the last few years, chikungunya has become a major problem in Southeast Asia, with large numbers of cases being reported in Singapore, Malaysia, and Thailand. Much of the current epidemic of chikungunya in Southeast Asia is being driven by the emergence of a strain of chikungunya virus that originated in Africa and spread to islands in the Indian Ocean, as well as to India and Sri Lanka, and then onwards to Southeast Asia. There is currently no specific treatment for chikungunya and no vaccine is available for this disease. This review seeks to provide a short update on the reemergence of chikungunya in Southeast Asia and the prospects for control of this disease. 相似文献
7.
Rergkliang C Chittithavorn V Chetpaophan A Vasinanukorn P 《Asian cardiovascular & thoracic annals》2005,13(1):61-64
Aortic valve repair in children is a challenge. We have adopted a technique of single aortic cusp extension with an autologous pericardial strip in patients diagnosed with severe aortic insufficiency (AI) associated with a ventricular septal defect (VSD). The purpose of this study was to report the short-term outcomes. Seven patients were operated on between January 2002 and December 2003. The mean age was 11.28 +/- 2.1 years (range 8-14 years). The VSD was closed with a synthetic patch. Aortic cusp extension was performed at the right coronary cusp in 6 patients and the remainder had a non-coronary cusp extension. The mean diastolic arterial pressure increased from 35.71 +/- 6.09 to 74.28 +/- 7.31 mm Hg after the operation ( p < 0.001). The postoperative grade of AI was trivial in 4 patients, mild in 1 patient and non-existent in 2 patients. The mean follow-up period was 12.85 +/- 6.12 months (range 2-20 months). This technique is very effective in patients with severe AI associated with a VSD. However, long-term durability will need to be carefully followed. 相似文献
8.
Narin Changklungmoa Pornanan Kueakhai Somjai Apisawetakan Suda Riengrojpitak Prasert Sobhon Kulathida Chaithirayanon 《Parasitology research》2014,113(6):2335-2343
In the present study, a cDNA encoding Trx from F. gigantica (FgTrx) was cloned by polymerase chain reaction (PCR). The sequence of FgTrx, analyzed by BLAST, SignalP, and ClustralW programs, showed 315 bp of an open reading frame (ORF), 12 bp 5’UTR, 78 bp 3’UTR, and the putative FgTrx peptide comprising of 104 amino acids, with a molecular weight of 11.68 kDa, with the active site containing five amino acids (tryptophan, cysteine, glycine, proline, cysteine) with a conserved dithiol motif from the two cysteines, and pI 5.86. The peptide had no signal sequence; hence, it was not a secreted protein. The recombinant FgTrx was expressed in Escherichia coli BL21 (DE3) and used for production for a polyclonal antibody in rabbits (anti-rFgTrx). The FgTrx protein expression, estimated by indirect ELISA using the rabbit anti-rFgTrx as probe, showed high levels in eggs, 2- and 4-week-old juveniles, and adult parasite. In a functional test, the rFgTrx exhibited specific activity that could be suppressed by an inhibitor (PX12). When tested by immunoblotting and immunohistochemistry, rabbit anti-rFgTrx reacted with natural FgTrx at a molecular weight of 11.68 kDa from eggs, metacercariae, NEJ, 2- and 4-week-old juveniles, and adult F. gigantica. The FgTrx protein was distributed at high levels in the tegument of 2- and 4-week-old juveniles, and the tegument, parenchyma, eggs, and reproductive organs of adult parasites. FgTrx may be one of the major factors acting against oxidative stresses that can damage the parasite; hence, it could be considered as a novel vaccine or drug target. 相似文献
9.
Chatchawan Srisawat Sarawut Junnu Chayanon Peerapittayamongkol Aree Futrakul Rungtip Soi-ampornkul Vorapun Senanarong Rungnirand Praditsuwan Prasert Assantachai Neelobol Neungton 《Journal of clinical neuroscience》2013,20(5):644-648
The platelet amyloid precursor protein (APP) ratio has recently been shown to be a promising diagnostic marker for Alzheimer’s disease (AD). To evaluate its usefulness in Thai patients, platelet APP was analyzed by immunoblotting. The APP ratio was calculated as the ratio of the combined band density of the 120-kD and 130-kD isoforms compared to that of the 110-kD isoform. The mean ages (and ranges) of 27 normal and 13 AD-affected subjects were 68.3 (60–84) and 79.3 (70–97) years, respectively. The Thai Mental State Examination (TMSE) scores demonstrated that the AD patients had significantly poorer cognitive functions than the normal subjects, with mean TMSE scores of 20.3 and 27.6 (maximum score of 30 points), respectively (p < 0.05). The platelet APP ratios of the AD patients were significantly lower than those of normal subjects: values (mean ± standard deviation) were 7.32 ± 1.29 and 9.13 ± 3.00, respectively (p < 0.05) for AD patients and normal subjects. However, the ranges of the APP ratios from both groups markedly overlapped, which precluded the establishment of a cutoff level to differentiate between the AD and normal subjects. In addition, no significant correlations were observed between the platelet APP ratio and the TMSE score or between the APP ratio and the serum cholesterol in this study, in contrast to previous reports. 相似文献
10.
The acceptability and validity of self‐collected nasal swabs for detection of influenza virus infection among older adults in Thailand
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