Since most literatures have focused on the rCBF changes of operative hemisphere, we evaluated the hemodynamics of nonoperative side by xenon-enhanced computed tomography (Xe-CT) and acetazolamide challenge test in patients with MMD during a short time follow-up. Fifteen MMD patients with unilateral ischemic presentations who received direct revascularization on the symptomatic hemispheres

with complete hemodynamic evaluations by Xe-CT and acetazolamide challenge test were enrolled. Hemodynamic JNK-IN-8 in vivo evaluations were performed 1, 3, and 6 months, postoperatively. The postoperative rCBF and cerebral vascular reserve (CVR) were recorded and correlated with clinical outcome. Angiography was performed if the patient had neurological deterioration or deficits. The average follow-up time was 8.5 +/- 3.5 months. Three months after the ipsilateral HIF inhibitor direct revascularization, the CVR of nonoperative hemispheres (25.8 +/- 8.1%) began to decrease significantly (P = 0.003). Six months later, the rCBF showed a downward trend in nonoperative hemispheres (47.4 +/- 8.0 ml center dot 100 g(-1) min(-1)) than the preoperative status, but the difference

was not significant (P = 0.053). Three patients presented with decreased rCBF and impaired CVR in the nonoperative hemispheres. Among them, two patients were symptomatic. Unilateral direct revascularization in symptomatic hemisphere for MMD patient could induce CVR 3MA impaired in primary asymptomatic hemisphere during the short term after the surgery. Therefore, critical follow-up, especially the hemodynamic follow-up in the asymptomatic hemispheres should be performed in patients with MMD.”
“Few studies have been carried out on nitrification potential

of marsh soils in natural saline wetlands with high alkalinity. The nitrification potentials of a closed wetland and an open wetland were monitored by an aerobic incubation at 25 degrees C for 28 days. The relative nitrification index (RNI, NO(3)-N/NO(3)-N+NH(4)(+)-N) rapidly increased with time in both wetlands and decreased with depth in soil profiles in both wetlands within the first 21 days. Nitrification proceeded much faster in the closed wetland than in the open wetland. The higher rate of nitrogen removal in closed wetlands than open wetland was probably due to the fast nitrification followed by denitrification or leaching loss.”
“The purpose of this study was to assess whether intraoperative fluoroscopy assists in the restoration of the coronal limb alignment target in conventional total knee arthroplasty (TKA). One hundred and six patients undergoing conventional cemented TKA were randomly assigned to be operated on with or without intraoperative fluoroscopy. The image intensifier, together with customized manual instrumentation, was used for separately measuring the frontal alignment of the femoral and tibial resection surfaces.

But in the oxymatrine and mesalazine groups, looser stool and bloody purulent stool reduced after treatment. And the colonic wall in the model group was thickened and the colon length shortened. The colon mucosa AZD9291 was congested in multiple areas with edema, erosion, superficial or linear ulcer and scar formation, while the intestinal mucosa injury reduced in the mesalazine and oxymatrine groups (P<0.01). In colonic mucosa and in spleen lymphocytes, compared with the normal control group, the expression of NF-kappa Bp65 were significantly increased (P<0.01) in the model group while the expressions of beta 2AR

and beta-arrestin2 were significantly decreased (P<0.01). Compared with the model group, the expression of NF-kappa Bp65 was significantly

decreased in the mesalazine group (P<0.01) and oxymatrine treatment group (P<0.01) while the expressions of beta 2AR and beta-arrestin2 were significantly increased (P<0.01). There were no statistically significant differences in the expression of beta 2AR, beta-arrestin2 and NF-kappa Bp65 between the mesalazine group and oxymatrine group (P>0.05). Conclusions: The beta 2AR-beta-arrestin2-NF-kappa B signal transduction pathway participated in the pathologic course of ulcerative colitis. Oxymatrine attenuated ulcerative colitis through regulating the beta 2AR-beta-arrestin2-NF-kappa B signal transduction pathway.”
“Functional follicular ovarian cysts are frequently reported in girls with peripheral precocious puberty (PP). These cysts are usually SBC-115076 molecular weight self-limiting and resolve spontaneously. Several drugs like antiestrogens (tamoxifen)

and new aromatase inhibitors are seldom used for treatment. Here we report a VX-680 mouse girl with peripheral PP who presented with unilateral enlargement of the ovary and a recurrent autonomous ovarian cyst. No skin pigmentation or bone anomaly was noted. The patient was successfully treated with anastrozole, a highly selective aromatase inhibitor. No adverse reaction was noted. Anastrozole is a safe and tolerable drug especially used to suppress estrogen action.”
“The radio frequency (RF) and high frequency performance of the flip chip interconnects with anisotropic conductive film (ACF) and non-conductive film (NCF) was investigated and compared by measuring the scattering parameters (S-parameters) of the flip chip modules. Low cost electroless-Ni immersion-Au (ENIG) plating was employed to form the bumps for the adhesive bonding. To compare the accurate intrinsic RF performance of the ACF and NCF interconnect without lossy effect of chip and substrate, a de-embedding modeling algorithm was employed. The effects of two chip materials (Si and GaAs), the height of ENIG bumps, and the metal pattern gap between the signal line and ground plane in the coplanar waveguide (CPW) on the RF performance of the flip chip module were also investigated.

\n\nConclusion: ApoE4(1-272) fragment expressed in Neuro2a cells is YM155 clinical trial associated with mitochondrial proteins, UQCRC2 and cytochrome C1,

which are component of respiratory complex III, and with COX IV 1, which is a member of complex IV. Overexpression of apoE4(1-272) fragment impairs activities of complex III and IV. These results suggest that the C-terminal-truncated fragment of apoE4 binds to mitochondrial complexes and affects their activities, and thereby leading to neurodegeneration.”
“The purpose of this prospective study was to assess the Constant score and radiographic outcome in 66 patients (mean age 58.7 years/mean follow-up 51 months) with a minimally displaced and/or impacted fracture of the proximal humerus treated with early mobilization.\n\nSpecial attention was paid to analyze the specific intrinsic parameters (age, gender, ASA grade and length of physiotherapy), injury-related parameters (classification, osteoporosis)

Crenigacestat solubility dmso and therapy-related parameters (initial fracture displacement, residual bony-deformity after healing, secondary fracture displacement during healing period, non-union, humeral head necrosis and omarthrosis) that may influence the final score.\n\nThere were 31 A (47%), 22 B (33%) and 13 C-fractures (19%). The median Constant score for the fractured shoulder was 89 points.\n\nAll fractures healed without non-union. The radiological assessment showed in 80% a fracture-displacement with < 15A degrees angulation and/or <

5-mm displacement of the greater tuberosity. At time of follow-up, the residual bony-deformity was perfect and good in 88% of cases. There was a significant association between the final Constant score and the age, ASA classification, AO (ABC) classification and initial fracture displacement.\n\nEarly physiotherapy, with a short period of immobilization is a sufficient therapy for management of minimally displaced and/or impacted fractures of the proximal humerus.”
“Transfusion-related ABT-263 acute lung injury (TRALI) constitutes a life threatening complication of blood transfusion. In severe TRALI cases supportive care with mechanical ventilation in intensive care unit is needed. We present two severe TRALI cases caused by leukocyte depleted, ABO compatible, packed red blood cell transfusions, coming from multiparous women donors. In the first case diagnosis was based on clinical findings and established by the identification of leukocyte antibodies in donor’s unit and recipient’s serum and she deal with invasive mechanical ventilation. In the second case, diagnosis was based on clinical criteria and chest radiograph findings and non-invasive mechanical ventilation was used. Both cases were treated in a Pediatric Intensive Care Unit and they had a favorable outcome.

Using expression levels of three epitopes,

we can begin to assess the likelihood of delayed time to fixation or decreased tissue quality. This TQI represents a proof of concept for the use of epitope expression to provide a mechanism for monitoring tissue quality.”
“Reaction of N-aryl sydnones with 2-nitro-methylenethiazolidine straightforwardly gives rise to the formation of (Z)-2-(nitro((E)-p-substitutedphenyldiazeny1)methylene)thiazolidines in xylene and dimethoxyethane under microwave irradiation. A meaningful and plausible mechanism for this transformation is proposed, learn more which anticipates the extrusion of an aceto-lactone-like moiety before a coupling occurs. The structures of all the new compounds were identified on the basis of the data obtained from the NMR, IR. X-ray diffraction spectra, HRMS measurements, and physical characteristics.”
“Purpose: Our aim was to evaluate short term survival rates in renal transplant recipients from deceased donors, while focusing on recipients with diabetes mellitus background. Materials and Methods: This is a longitudinal follow-up study based on national registry of recipients in Ministry of Health selleckchem and Medical Education in Iran from 2010-11. Five hundred fifty-five recipients, 226 (40.8%) females and 328 (59.2%) males, were included in the study. Mean (+/- SD) age of the recipients was 39 +/- 14 years. Of donors

18.4% were females and 81.6% were males. Age of the donors was 33 14 years. All allograft recipients from deceased donors enrolled in the study. Short-term graft survival (1 year) was determined. Data regarding age, gender, background disease and cold ischemic time of recipients and donors were collected from the organ procurement units. Results: Allografts were functioning in 499 (90.1%) of recipients Microtubule Associat inhibitor after one year. Of recipients 38 (6.9%) died and rejection of transplanted kidney occurred in 17 (3.1%) cases.

So, in 55 (9.9%) cases, allografts were not functioning. There were significant relationships between short term graft survival of donors gender, age of recipients, cold ischemic time and level of clearance of creatinine of recipients. Conclusion: In addition to cold ischemic time, graft survival can be affected by recipients’ age. There are some other considerations and implications regarding the short term graft survival in renal transplantation from cadaver donors which are discussed in this paper.”
“Background: Bats are a major source of new and emerging viral diseases. Despite the fact that bats carry and shed highly pathogenic viruses including Ebola, Nipah and SARS, they rarely display clinical symptoms of infection. Host factors influencing viral replication are poorly understood in bats and are likely to include both pre- and post-transcriptional regulatory mechanisms. MicroRNAs are a major mechanism of post-transcriptional gene regulation, however very little is known about them in bats.

24 cases and 1.6 episodes per 100 children respectively. Mean Sch-FRI rate was 28.8 per 100 children (95% CI: 27.7 to 29.9) in the 6 schools. We estimate from serology that 41.8% (95% CI: 30.2% to 55.9%) of primary and 43.2% (95% CI: 28.2% to 60.8%) of Epigenetic inhibitor manufacturer secondary school-aged children were infected. Sch-FRI

rates were similar across the 6 schools (23 to 34 episodes per 100 children), but there was widespread variation by classrooms; in the hierarchical model, omitting age and school effects was inconsequential but neglecting classroom level effects led to highly significant reductions in goodness of fit.\n\nConclusions: Epidemic curves from Sch-FRI were comparable to GP-ILI data, and Sch-FRI detected substantially more infections than Sch-LCC and Sch-DTM. Variability in classroom attack rates suggests localized class-room transmission.”
“To investigate the effect of mifepristone on gene expression of human chorionic villi in early pregnancy, nine women were recruited into a randomised controlled trial. All subjects were healthy women who had regular menstrual cycles and sought termination of pregnancy up to 40 days gestational age. In the test group, gestational sacs were taken by vacuum aspiration of the uterus 24 h after a single dose of 150 mg mifepristone was administered. Chorionic villi were collected and frozen in liquid nitrogen.

The control samples were collected using the same method from the women without administration of mifepristone. The gene expressions of villus were monitored by human cDNA microarrays. MS-275 solubility dmso It is found that the expressions of 262 transcripts were significantly altered in the test group. Gene ontology and pathways analyses were conducted to further analyse these genes. Many of these genes are known to play potentially an important role in the placentation and the molecular

regulation of maternal-fetal interface. Therefore, it is suggested that the placental development and microenvironment of the maternal-fetal interface were interfered by administration of mifepristone. These data provide insight into the molecular mechanism about ON-01910 cell line medical abortion induced by mifepristone.”
“Intermittent claudication is a common symptom of both lumbar spinal stenosis (LSS) and peripheral arterial disease (PAD) in middle-aged and elderly people. However, the prevalence and clinical characteristics of LSS with PAD (LSSPAD) have not been investigated in a multicenter study. The aim of this study was to investigate the prevalence and clinical characteristics of LSS associated with PAD.\n\n570 patients diagnosed with LSS using a clinical diagnostic support tool and MRI at 64 facilities were enrolled. We evaluated each patient’s medical history, physical findings, ankle brachial index, Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ) score, and the Short Form 36 (SF-36) score.

When compared to the matched indication cohort, short- and long-term mortality risk with splenectomy was not increased.\n\nConclusion: Regardless of indication, the adjusted short- and long-term risk of death for splenectomised patients was higher than the general population. Most of this risk seems to be due to the underlying splenectomy indication and not to splenectomy alone. (C) 2009 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.”
“Background Development

of more than one primary melanoma in a sole patient is frequent, accounting for 1.28.2% Tipifarnib datasheet of melanoma patients in most recent series. Objective and methods Clinical, histological and epidemiological characteristics of 270 multiple primary melanomas patients were reviewed. Results Two-hundred and seven patients (76.7%) had two melanomas, whereas in the remaining 63 the number of primary ranged from three to eight; on the whole, 639 multiple primary melanomas were identified. Synchronous melanomas developed more frequently

in patients with three or more lesions; median age was significantly lower in the group of patients with more than three melanomas than in the others. Mean Breslows thickness significantly decreases (P < 0.001) from the first (1.77 +/- 1.76 mm) to subsequent primaries (0.85 +/- 1.25 mm for the second and 0.66 +/- 0.48 mm for the Quizartinib cost third melanoma). Percentage of in situ melanomas was 5.6% as first diagnosis, but increased to 24.8% for the second melanoma; number of nodular melanomas was significantly lower for succeeding diagnosis. LDN-193189 chemical structure AJCC stage at diagnosis showed a statistical prognostic significance, whereas outcome and survival did not depend on the number of primary lesions. Multivariate

analysis confirmed the prognostic role of Breslows thickness, ulceration, gender and patient age, and the better prognosis of patients with multiple melanomas, respect to those with single primary melanoma. Conclusions Skin examination and long-term follow-up are mandatory for patients affected by melanoma, with the intent to promptly diagnose not only a disease progression but also possible new primary melanomas.”
“Background: Interprofessional education (IPE) is being led by a driving force of teaches who advocate for the importance of this learning within health and social care professional curriculum. Many of these leaders have additional uni professional teaching responsibilities.\n\nAims: This study aimed to explore the impact of leading an IPE curriculum on teachers, who were at the forefront of establishing a new IPE curriculum in the east midlands, UK.\n\nMethods: The prospective study used the principles of grounded theory to analyse the educator’s experiences. The study included teachers who work from academic university posts and those who teach from within practice.

In addition, a search of the literature was carried out. Of 232 maternal exposures to oseltamivir in the Roche

database, pregnancy outcomes were known for 115 of these exposures. The incidence of adverse pregnancy outcomes was as follows: spontaneous abortions 6.1% (7/115), therapeutic abortions 11.3% (13/115) and pre-term deliveries 2.1% (2/94 live births), values that are not higher than background incidence rates. Fetal outcomes were known in 100 of the 232 exposures. For the nine cases of birth defect PD173074 that were reported, the timing of oseltamivir exposure in relation to the sensitive period for inducing the birth defect was analysed. Two cases of ventricular septal defect, a more common birth defect, and one case of anophthalmos, an uncommon birth defect, were consistent with exposure to oseltamivir during the sensitive period for these birth defects. For other birth defects, there was either no exposure to oseltamivir during the sensitive period for the defect or insufficient information for assessment. These findings

were consistent with other reports in the published literature, including a series of 79 Japanese women exposed to oseltamivir during the first trimester.\n\nTogether with the other evidence reviewed herein, review of the company safety database suggests that oseltamivir is unlikely to cause adverse pregnancy or fetal outcomes, but available data are limited.

Bafilomycin A1 cell line Clinicians who use oseltamivir in pregnant women should consider the available safety information, the pathogenicity of the circulating influenza virus strain, the woman’s general health and the guidance provided by health authorities. Roche will continue to monitor all reports of oseltamivir use during pregnancy.”
“Aims: Type 2 diabetes mellitus (DM) is associated with higher risk of heart failure. Over the last three decades several studies demonstrated the presence of asymptomatic systolic and/or diastolic left ventricular (LV) dysfunction (asymLVD) in patients with normal LV ejection fraction (LVEF). Purpose of our study was to assess the prevalence and factors associated with asymLVD in DM patients SYN-117 supplier by echocardiographic indexes more sensitive than LVEF and transmitral flow detected by pulsed Doppler.\n\nMethods: 386 DM patients without overt cardiac disease were enrolled from January to October 2011. Stress-corrected midwall shortening (sc-MS) and mitral annular peak systolic velocity (S’) were considered as indexes of systolic function of circumferential and longitudinal myocardial fibers, respectively. Early diastolic velocity of transmitral flow was divided by early diastolic Tissue Doppler velocity of mitral annulus for identifying diastolic LVD.\n\nResults: asymLVD was detected in 262 patients (68%).

We conclude that the mode of secretion can determine the immunogenicity of tumor antigens and that manipulation of the mode of antigen secretion may be used to optimize antitumor vaccination protocols.”
“Cardiovascular malformations are the most common type of birth defect. Currently, only a fraction of cases have associated causative factors and little is known about the aetiology of the rest. Despite this, our understanding of normal and abnormal heart development continues to grow, CA3 Stem Cells & Wnt inhibitor a number of recent discoveries even challenging long-held concepts. In this review, we highlight some of this

new knowledge, emphasising aspects that may be of interest to the clinician.”
“Exposure of animals to chronic hypoxia induces pulmonary vascular remodeling leading to pulmonary hypertension. Melatonin, the principal hormone of the pineal gland, is known to have an inhibitory effect on rat vascular reactivity. This study examined the effect of chronic hypoxia on the influence of melatonin on the vasoreactivity of the pulmonary artery. The inhibitory effect of melatonin on the phenylephrine-induced constriction in normoxia-adapted rings (101.5 +/- 4% versus 82.2 +/- 4%) in the presence or absence of melatonin, respectively) was lost following chronic AZD7762 chemical structure hypoxic treatment (100.2 +/- 4% versus 102.2

+/- 2%) and this effect was independent of the endothelium. Melatonin also significantly enhanced the relaxant response to acetylcholine of the pulmonary arterial rings from normoxic rats (34.76 +/- 5.67% versus 53.82 +/- 4.736%) in the absence or presence of melatonin, respectively). In contrast,

melatonin had no significant effect (21.71 +/- 1.37% versus 23.51 +/- 6.891%) on the relaxant response to acetylcholine of the pulmonary arterial rings from chronic hypoxia-adapted rats. Pre-treatment with melatonin (10(-4) M) showed no significant effect on the vasorelaxation by the nitric oxide donor; sodium nitroprusside (10(-7)-10(-5) M). The melatonin-induced changes were blocked by the melatonergic-receptor antagonist luzindole (2 x 10(-6) M). VX-809 cost The results from our study confirm the presence of melatonergic receptors on the pulmonary trunk of rats and also suggest that the modulatory role of melatonin on the vasoreactivity of pulmonary trunk does not involve the nitric oxide pathway. Most importantly, our results show that development of pulmonary hypertension in rats is associated with the loss of the vasorelaxant influence of melatonin. (C) 2007 Elsevier Ireland Ltd. All rights reserved.”
“A metabolomics approach using (1)H NMR and GC-MS profiling of primary metabolites and quantification of adenine nucleotides with luciferin bioluminescence was employed to investigate the spatial changes of metabolism in melon fruit. Direct (1)H NMR profiling of juice collected from different locations in the fruit flesh revealed several gradients of metabolites, e.g.

(Surg Obes Relat Dis 2010;6:373-376.) (C) 2010 American Society for Metabolic and Bariatric Surgery. All rights reserved.”
“The identification of cervical cancer patients at high risk of local recurrence is urgent to improve the selection of patients for more aggressive treatment. The immune contexture in human tumors has vital impact on clinical outcome. Our aim in the study was to establish a predictive model of local recurrence by assessing the prognostic significance of clinicopathologic features and five immune markers within the tumor microenvironment in cervical cancer. The

expression of CD3, CD4, CD8, FoxP3, and IL-17 was assessed by immunohistochemistry in tumor tissue Ruboxistaurin cost from 153 patients after radical resection for cervical cancer. Prognostic effects

of these immune markers and clinicopathologic factors were evaluated by Kaplan-Meier and Cox regression analysis. Local recurrence was observed in 34 % patients (52/153). Independent predictors of tumor recurrence were lymph node status (P = 0.004), lymph-vascular space invasion (P = 0.012), and the number of intratumoral IL-17(+) cells (P = 0.003). Selleckchem C59 The risk of local recurrence was the highest in patients with lymph node positivity, presence of lymph-vascular space invasion, and low prevalent of intratumoral IL-17(+) cells (probability, 73 %; 5-year DFS, 19 %). A Cox model composed of these three features provided a significant higher diagnostic accuracy of local recurrence than each feature alone (P smaller than 0.05). Lymph node status, lymph node space invasion, and number of intratumoral IL-17(+) cells are three independent predictors for recurrence of cervical cancer. Their combination by a Cox model is highly predictive and may help to identify high-risk patients who may benefit from adjuvant chemotherapy.”
“The consumption of fruit and vegetables continues to rise in the United States and European Union due

to healthy lifestyle recommendations. Meanwhile, the rate of foodborne illness caused by the consumption of these products remains high in both regions, representing a significant public health and financial issue. This study addresses the occurrence of reported foodborne outbreaks associated with fresh fruits and vegetables consumption in the United States and European Union during the period 2004-2012, where data are available. Special attention is paid LY294002 price to those pathogens responsible for these outbreaks, the mechanisms of contamination, and the fresh produce vehicles involved. Norovirus is shown to be responsible for most of the produce-related outbreaks, followed by Salmonella. Norovirus is mainly linked with the consumption of salad in the United States and of berries in the European Union, as demonstrated by the Multiple Correspondence Analysis (MCA). Salmonella was the leading cause of multistate produce outbreaks in the United States and was the pathogen involved in the majority of sprouts-associated outbreaks.

“
“Background and aims: After subcutaneous injection insulin glargine is rapidly metabolized to M1 and M2. In vitro, both M1 and M2 have metabolic effects and bind to IGF-1R similarly to human insulin, whereas glargine exhibits a higher affinity for the IGF-1R and greater mitogenetic effects. The present study was specifically designed to

establish the doseeresponse metabolism of glargine over 24 h following s. c. injection in T2DM subjects on long-term use of glargine. Methods and results: Ten subjects ATM/ATR inhibitor clinical trial with T2DM were studied during 24 h after s. c. injection of 0.4 (therapeutic) and 0.8 (high dose) U/kg of glargine on two separate occasions during euglycaemic clamps (cross-over design). Glargine, M1 and M2 over 24 h period were determined in appropriately processed plasma samples by a specific liquid chromatography-tandem mass spectrometry assay. Plasma M1 concentration (AUC0e24 h) was detected in all subjects and increased by

increasing the glargine dose from therapeutic to high dose (p = 0.008). Glargine was detectable in 6 (therapeutic dose) and 9 (high dose) out of the 10 subjects and also increased by increasing the dose (p = 0.031). However, glargine concentration (AUC0-24 h e high dose) represented at most only 9.7% (4.6-15%) of the total amount of insulin measured in the blood. M2 was not detected at all. Conclusion: In T2DM people on long-term use of insulin glargine, even with higher doses (0.8 U/ kg), glargine is nearly totally metabolized to the active SNS-032 order metabolite M1. Glargine is often detectable in plasma, but its concentration remains well below that needed in vitro to potentiate IGF-1R binding and mitogenesis. (C) 2014 Elsevier B. V. All rights reserved.”
“The RUNX1/AML1 gene is the most frequent target for chromosomal translocation, and often identified as a site for reciprocal rearrangement of chromosomes 8 and 21 in patients with acute myelogenous leukemia.

Virtually all chromosome translocations in leukemia show no consistent homologous sequences at the breakpoint regions. However, specific chromatin elements (DNase I and topoisomerase II cleavage) have been found at the breakpoints of some genes suggesting that structural motifs are determinant for the double strand DNA-breaks. We analyzed the chromatin Ubiquitin inhibitor organization at intron S of the RUNX1 gene where all the sequenced breakpoints involved in t(8:21) have been mapped. Using chromatin immunoprecipitation assays we show that chromatin organization at intron 5 of the RUNX1 gene is different in HL-60 and HeLa cells. Two distinct features mark the intron 5 in cells expressing RUNX1: a complete lack or significantly reduced levels of Histone H1 and enrichment of hyperacetylated histone H3. Strikingly, induction of DNA damage resulted in forma-cion of t(8:2 1) in HL-60 but not in HeLa cells.