(C) 2010 Elsevier Ireland Ltd. All rights reserved.”
“Object. Liver cirrhosis was identified as an

independent predictor of poor outcomes in patients suffering trauma and in those undergoing major surgeries. The aim of this study was to report the authors’ experiences treating patients with cirrhosis who undergo brain surgeries.\n\nMethods. Between 2004 and 2009, 121 consecutive patients with cirrhosis underwent 144 brain procedures. Patients were categorized as Child-Turcotte-Pugh (referred to as “Child”) Class A, B, or C. The patient profiles, including the severity of cirrhosis, reason for surgery, complications, and prognosis factors, were analyzed.\n\nResults. In this retrospective study, the overall surgical complication rate for patients with cirrhosis was 52.1% and the mortality rate was 24.3%. For patients with acute traumatic brain injury (TB!), the complication, rebleeding, and mortality rates reached 84.4%,

68.8%, click here and 37.5%, respectively. Surgery for TBI was a significant risk factor for postoperative complications (p = 0.0002) and postoperative hemorrhage (p < 0.0001). Otherwise, according to the Child classification, the complication rate increased in a stepwise fashion from 38.7% to 60% to 84.2%, the rebleeding rate from 29.3% to 48.0% to 63.2%, and the mortality rate from 5.3% to 38% to 63.2% for Child A, B, and C, respectively. The Child classification was associated with higher risk of complications-Child B vs A OR 2.84(95% CI 1.28-6.29), Child C MG-132 Proteases inhibitor vs A OR 5.39 (95% CI 1.32-22.02). It was also associated find more with risk of death-Child C vs A OR 30.43 (95% CI 7.71-120.02), Child B vs A OR 10.88(95% CI 3.42-34.63).\n\nConclusions. Liver cirrhosis is a poor comorbidity factor for brain surgery. The authors’ results suggest that the Child classification used independently is a poor prognostic factor; in addition, grave outcomes were observed in patients with TBI. (http://thejns.org/doi/abs/10.3171/2012.4.JNS111338)”
“A hairpin dodecamer DNA motif with a dangling end composed of four bases was studied in order to find conditions which promote

a dumbbell structure as the sole form in solution. It could be used as a model of a DNA duplex with two nicks on opposite strands, mimicking a target for topo II poisons. We have established two alternative means of obtaining a dumbbell in solution as the only form present at 0 degrees C. The first one is to use a relatively high concentration of a hairpin motif, ca. 3.5 mM, at low ionic strength, and second is to use a moderate hairpin motif concentration of ca. 2 mM at high ionic strength, 200 mM and 15% of methanol. An NMR-derived structure in a buffered water solution is presented. A representative structure ensemble of 10 structures was obtained from MD calculations utilizing the AMBER protocol and using NOESY-derived experiment cross peak volumes transferred to experimental restraints by the MARDIGRAS algorithm.

However, patients showed significantly shorter excursions of hamstring (p=0.022) and psoas (p=0.036) muscles than controls, P005091 supplier whereas no significant excursion differences were observed between controls during normal gait and mimicking crouch gait.\n\nConclusions: Normal controls mimicking crouch gait and cerebral palsy patients with crouch gait demonstrate similar

muscle length patterns. However, mimicked crouch gait did not reproduce the excursion pattern shown by patients with crouch gait, which suggests that reduced hamstring and psoas excursion is an innate characteristic of pathologic crouch gait.”
“Objective: To identify causative genes for centronuclear myopathies (CNM), a heterogeneous group of rare inherited muscle disorders that often present in infancy or early life with weakness and hypotonia, using next-generation selleckchem sequencing of whole exomes and genomes. Methods: Whole-exome or -genome sequencing was performed in a cohort of 29 unrelated patients with clinicopathologic diagnoses of CNM or related myopathy depleted for cases with mutations of MTM1, DNM2, and BIN1.

Immunofluorescence analyses on muscle biopsies, splicing assays, and gel electrophoresis of patient muscle proteins were performed to determine the molecular consequences of mutations of interest. Results: Autosomal recessive compound heterozygous truncating mutations of the titin gene, TTN, were identified in 5 individuals. Biochemical analyses demonstrated increased titin degradation and truncated titin proteins in patient muscles, establishing the impact of the mutations. Conclusions: Our study identifies truncating TTN mutations as HDAC inhibitor a cause of congenital myopathy that is reported as CNM. Unlike the classic CNM genes that are all involved in excitation-contraction coupling at the triad, TTN encodes the giant sarcomeric protein titin, which forms a myofibrillar backbone for the components of the contractile machinery. This study expands the phenotypic spectrum associated

with TTN mutations and indicates that TTN mutation analysis should be considered in cases of possible CNM without mutations in the classic CNM genes.”
“Objective: To examine the performance of the Risk of Malignancy Index (RMI) and Risk of Ovarian Malignancy Algorithm (ROMA) by histologic subtype and stage of disease in a cohort of women with ovarian cancer. Methods: All patients with confirmed ovarian cancer at the Princess Margaret Hospital between February 2011 and January 2013 were eligible for study inclusion. Preoperative cancer antigen 125, human epididymis protein 4, and ultrasound findings were reviewed, and the sensitivity and false-negative rates of the RMI and ROMA were determined by stage of disease and tumor histology. Results: A total of 131 patients with ovarian cancer were identified.

“
“Background/Purpose(s): We aimed to determine the variations in serum apolipoprotein E E; (ApoE) levels in pediatric patients with a variety of infectious diseases, and to investigate

the potential mechanism of elevated ApoE serum levels during infection.\n\nMethods: A total of 279 pediatric patients with a variety of infections and 58 normal controls were enrolled in this study. Serum ApoE levels were detected using an immunoturbidimetric assay. A mouse sepsis model was established to evaluate Bioactive Compound Library the expression of ApoE and its receptors by real-time polymerase chain reaction (RT-PCR) and Western blotting.\n\nResults: Serum ApoE was markedly increased in cases with bacterial infections including sepsis, bacterial meningitis, and bacterial pneumonia, compared to healthy controls. No significantly elevated serum ApoE levels were observed in aseptic meningitis patients or mycoplasma pneumonia patients. The mice sepsis models showed a similar pattern of increased serum ApoE levels in the early stage of infections. We found reduced

expression of ApoE and its receptors in the liver tissues in these mice models.\n\nConclusion: Serum ApoE may represent a novel indicator for diagnosis of Selleckchem Ricolinostat bacterial infections, especially sepsis, in pediatric patients. The decreased expression of low-density lipoprotein receptor (LDLR), LDL receptor-related protein (LRP), and heparin sulfate proteoglycan (HSPG) syndecan-1 (SDC1) may contribute to reduced ApoE clearance and accumulation in the blood. Copyright (C) 2013, Taiwan Society of Microbiology. Published by Elsevier Taiwan LLC. All rights reserved.”
“An aging population requires that nurses in all areas of practice Selleck Navitoclax be knowledgeable about high-quality palliative care. The purpose of this scoping review was to summarize the available evidence for providing palliative care education for nurses. Searches were conducted in the spring of 2012 of 5 electronic databases using controlled vocabulary. English-language articles published between 2001 and 2011 were included in the review, yielding a sample

of 58 studies. Findings reviewed included country and setting of study; palliative knowledge taught; methods, number of hours, and duration of education; study design; and evaluation methods. Eighty-six percent of studies reported positive outcomes. Effect size calculations for 9 outcome measures resulted in large (n = 1), moderate (n = 4), and small (n = 4) effects in a positive direction. However, effect sizes were heterogeneous, suggesting moderator variables. Although there appears to be an overall positive effect of palliative education, findings from this scoping review illustrate the diversity of educational approaches and lack of rigorous study designs, making it difficult to make recommendations for an evidence-based approach to educating nurses in palliative care.

The morphologically distinct cactus parasite T aphyllus likely arose in sympatry from an unspecialized tree parasite, T. corymbosus, after a host switch. The present day haplotype distribution is complex and resulted from post-glaciation migrations from multiple Pleistocene refugia.”
“Background: Medication non-adherence leads to a vast range of negative outcomes in patients with coronary artery disease. An automated web-based system managing short message service

(SMS) reminders is a telemedicine approach to optimise adherence among patients who frequently forget to take their medications or miss the timing. Aim: This paper sought to investigate the effect of automated SMS-based reminders on medication adherence in patients after hospital discharge following acute coronary syndrome (ACS). Methods: An interventional ASP2215 concentration study was conducted at a tertiary teaching hospital in Malaysia. A total of 62 patients with ACS were equally randomised to receive either automated SMS reminders before every intake

of cardiac medications or only usual care within eight weeks after discharge. The primary outcome was adherence to cardiac medications. Secondary outcomes were the heart functional status, and ACS-related hospital readmission and death rates. Results: There was a higher medication adherence level in the intervention group rather than the usual care group, ((2) (2)=18.614, p smaller than 0.001). The risk of being low adherent among the control group was 4.09 times greater than GANT61 mouse the intervention group (relative risk =4.09, 95% confidence interval (CI) 1.82-9.18). A meaningful difference was found in heart functional status between the two study groups with better results among patients who received SMS reminders, ((2) (1) = 16.957, p smaller than 0.001). Conclusion: An automated SMS-based reminder system can potentially enhance medication adherence in ACS patients Natural Product Library during the early post-discharge period.”
“Background: Women with a significant family history of breast cancer are often offered

more intensive and earlier surveillance than is offered to the general population in the National Breast Screening Programme. Up to now, this strategy has not been fully evaluated.\n\nObjective: To evaluate the benefit of mammographic surveillance for women aged 40-49 years at moderate risk of breast cancer due to family history. The study is referred to as FH01.\n\nDesign: This was a single-arm cohort study with recruitment taking place between January 2003 and February 2007. Recruits were women aged < 50 years with a family history of breast or ovarian cancer conferring at least a 3% risk of breast cancer between ages 40 and 49 years. The women were offered annual mammography for at least 5 years and observed for the occurrence of breast cancer during the surveillance period. The age group 40-44 years was targeted so that they would still be aged < 50 years after 5 years of surveillance.

Here we tested a mechanism by which multivalent PIP2 molecules could be transferred into rafts through electrostatic interactions with polybasic cytoplasmic proteins, such as GAP-43, which bind to rafts via their acylated N-termini. We analyzed the interactions between lipid membranes containing raft microdomains and a peptide (GAP-43P) containing the linked

N-terminus Selonsertib and the basic effector domain of GAP-43. In the absence or presence of nonacylated GAP-43P, PIP2 was found primarily in detergent-soluble membranes thought to correspond to nonraft microdomains. However, when GAP-43P was acylated by palmitoyl coenzyme A, both the peptide and PIP2 were greatly enriched in detergent-resistant membranes that correspond to rafts; acylation of GAP-43P changed the free energy of transfer of PIP2 from

detergent-soluble membranes to detergent-resistant membranes by – 1.3 kcal/mol. Confocal microscopy of intact giant unilamellar vesicles verified that in the absence of GAP-43P PIP2 was in nonraft microdomains, whereas acylated GAP-43P laterally sequestered PIP2 into rafts. These data indicate that sequestration of PIP2 to raft microdomains could involve interactions with acylated basic proteins AZD8931 datasheet such as GAP-43.”
“Aim:\n\nTo identify and compare lactic acid bacteria (LAB) isolated from alkaline fermentations of cassava (Manihot esculenta Crantz) leaves, roselle (Hibiscus sabdariffa) and African locust bean (Parkia biglobosa) seeds for production of, respectively, Ntoba Mbodi, Bikalga and Soumbala.\n\nMethods and Results:\n\nA total of 121 LAB were isolated, identified and compared by phenotyping and genotyping using PCR amplification of 16S-23S rDNA intergenic transcribed spacer (ITS-PCR), repetitive sequence-based PCR (rep-PCR) and DNA sequencing. The results revealed a diversity of genera, species and subspecies of LAB in African alkaline fermentations. The isolates were characterized as nonmotile (in most cases) Gram-positive rods, cocci

or coccobacilli, catalase and oxidase negative. ITS-PCR allowed typing mainly at species level, with differentiation of a few bacteria at subspecies level. Rep-PCR permitted typing at subspecies level and revealed significant genotypic differences between the same species of bacteria from different raw materials. DNA Combretastatin A4 cost sequencing combined with use of API 50CHL and API 20Strep systems allowed identification of bacteria as Weissella confusa, Weissella cibaria, Lactobacillus plantarum, Pediococcus pentosaceus, Enterococcus casseliflavus, Enterococcus faecium, Enterococcus faecalis, Enterococcus avium and Enterococcus hirae from Ntoba Mbodi; Ent. faecium, Ent. hirae and Pediococcus acidilactici from Bikalga and Soumbala.\n\nConclusion:\n\nLAB found in African alkaline-fermented foods belong to a range of genera, species and subspecies of bacteria and vary considerably according to raw material.

“
“Polymethyl-methacrylate (PMMA) as part of bone cement is a widely used material in the context of orthopaedic implants and also in cranioplasty Although PMMA is characterised by excellent biocompatibility with low intrinsic toxicity and inflammatory activation a minor portion of patients develop allergic reactions We present the case of a 39-year-old woman with an increasing headache and a

corresponding erythema over the parieto-occipital cranioplasty which was performed 42 days prior using a PMMA compound A patch test specific for bone cement components confirmed the diagnosis of a PMMA delayed-type hypersensitivity reaction The prevalence of allergic reactions to bone cement components are known to vary from between 06% and 1 6% however no adequate, pre-interventional diagnostic tool is currently available Therefore physicians are required to consider this differential diagnosis

click here PX-478 even after an extremely delayed onset of symptoms This case describes the first ever-reported case in the literature of hypersensitivity to bone cement cranioplasty (C) 2010 Elsevier B V All rights reserved”
“Over the last decades, agricultural land-use practices have been intensified throughout Europe. As a consequence of the resulting loss of habitat heterogeneity, numerous species associated with traditional farmland have undergone severe population declines. To mitigate the negative effects of intensive agriculture on farmland biodiversity, agri-environment schemes (AES) have been adopted in various European countries since the early 1990s. The effects of AES have been evaluated for different taxa, but rarely for larger mammals like the brown hare (Lepus europaeus), a characteristic species of traditional

open farmland.\n\nUsing spotlight counts from 58 brown hare monitoring study sites over 17 years, we analysed the effects of land-use and several agri-environment scheme options on brown hare density in the Swiss lowland. We used open-population binomial mixture models to jointly model abundance and detection probability, thereby accounting for imperfect detection of hares.\n\nMean observed counts of brown hares in Switzerland from 1992 to 2008 suggested a slight selleck decline followed by a recovery in arable study sites, whereas a sustained decline was apparent in grassland sites. Mean detection probability ranged widely from year to year (arable: 0.33-0.70: grassland: 0.21-0.80). When accounting for imperfect detection, a population recovery was apparent in both land-use types, although hare densities remained at low levels compared to other European countries.\n\nThe amount of extensively managed hay meadows seemed to have a positive effect on brown hare abundance both in arable and grassland sites.

Pregnancy test was positive. Diagnosis of subacute thyroiditis was made by Doppler sonography of thyroid. A dramatic response to prednisolone was observed. Two months later because of hypothyroidism, levothyroxine was started and continued throughout pregnancy. She delivered a healthy baby at term without

complication.\n\nConclusions. Although subacute thyroiditis is rare during pregnancy, its possibility should be kept in mind in hyper- or hypothyroid pregnant women.”
“Walkability audits provide valuable information about pedestrian environments, but are time-consuming and can be expensive to implement. In this paper, we propose a model-based approach to select sites for conducting walkability audits. The key idea is to estimate a model of travel behavior at p38 MAPK activation the meso-scale level, which can be examined to identify locations where the behavior is under- and over-estimated. We conjecture that systematic under- and over-estimation can be caused by micro-level factors that influence the behavior. The results can be used to identify sites for walkability audits. The approach

is demonstrated with a case study in Hamilton, Canada. A model of walk shares forms the basis of the site selection procedure. After identifying areas with higher and lower shares than predicted by the model we select a sample of neighborhoods for audits. Analysis of the results reveals elements of the local environment that associate with greater-than-expected walk shares. The case study demonstrates that the proposed model-based strategy can be used to better target limited resources, Nepicastat molecular weight and produce valuable insights into micro-level factors that affect travel behavior. (C) 2012 Elsevier Ltd.

All rights reserved.”
“All cardiac surgical procedures performed in 79 German cardiac surgical units throughout the year 2008 are illustrated in this report, based on a voluntary registry which is organized by the German Society for Thoracic and Cardiovascular Surgery. In 2008 a total of 99 176 cardiac surgical procedures (ICD and pacemakers procedures excluded) have been collected. More than 10.3% of the patients were older GDC-0068 research buy than 80 years compared to 9.8% in 2007. Hospital mortality in 47337 isolated CABG procedures (11.3% off-pump) was 2.8%. In 22243 isolated valve procedures a mortality of 4.7% has been observed. This voluntary registry of the German Society for Thoracic and Cardiovascular Surgery continues to be an important tool enabling quality control and illustrating the development of cardiac Surgery in Germany.”
“ObjectivesTo (1) describe a safe, efficient surgical technique for subtotal ostectomy (SO) of diseased dorsal spinal processes (DSP) of the caudal thoracic vertebrae with the horse standing and (2) report outcome. Study DesignCase series. AnimalsHorses (n=23) with reduced performance caused by impingement of the DSP of the caudal thoracic vertebrae.

(c) 2009 Elsevier Inc. All BYL719 rights reserved.”
“Histone deacetylases (Hdacs) remove acetyl groups (CH3CO-) from e-amino groups in lysine residues within histones and other proteins. This posttranslational (de) modification alters protein stability, protein-protein

interactions, and chromatin structure. Hdac activity plays important roles in the development of all organs and tissues, including the mineralized skeleton. Bone is a dynamic tissue that forms and regenerates by two processes: endochondral and intramembranous ossification. Chondrocytes and osteoblasts are responsible for producing the extracellular matrices of skeletal tissues. Several Hdacs contribute to the molecular pathways and chromatin changes that regulate tissue-specific gene expression during chondrocyte and osteoblast specification, maturation, and terminal differentiation. In this review, we summarize the roles of class I and class II dacs in chondrocytes and osteoblasts. The effects of small molecule Hdac inhibitors on the skeleton are also discussed.”
“Despite its function in sex determination

and its role in driving genome evolution, the Y chromosome remains poorly understood in most species. Y chromosomes are gene-poor, repeat-rich and largely heterochromatic Stem Cell Compound Library concentration and therefore represent a difficult target for genetic engineering. The Y chromosome of the human malaria vector Anopheles gambiae appears to be involved in sex determination although very little is known about both its structure and function. Here, we characterize a transgenic strain of this mosquito species, obtained by transposon-mediated integration of BMS-777607 manufacturer a transgene construct onto the Y chromosome. Using meganuclease-induced homologous repair we introduce a site-specific recombination signal onto the Y chromosome and show that the resulting docking line can be used for secondary integration. To demonstrate its utility, we study the activity of a germ-line-specific promoter when located on the Y chromosome. We also show that Y-linked fluorescent transgenes allow automated sex separation

of this important vector species, providing the means to generate large single-sex populations. Our findings will aid studies of sex chromosome function and enable the development of male-exclusive genetic traits for vector control.”
“Purpose of review Cardiac transplantation has been the therapy for advanced heart failure that is associated with the best and most durable outcomes. This has been a result of improvements in immunosuppression, specifically the widespread adoption of more potent immunosuppressive agents such as tacrolimus and mycophenolate mofetil in place of cyclosporine and azathioprine and more protocol-driven immunosuppressive regimens which minimize both rejection and complications of immunosuppression such as infections and nephrotoxicity. The rejection rates have fallen over the past 2 decades as posttransplant survival has improved.

Short-term (15 min) samples to study peak exposure

were also included in the monitoring program. Diffusive samplers selleckchem were used for monitoring, and analyzed by thermal desorption and gas chromatography-mass spectrometry (GC-MS). The effect on exposure of different types of scavenging systems was studied by mixed model analysis.\n\nResults The 8-h TWA (n = 36) nitrous oxide concentrations varied between 2.5 and 260 mg/m(3), and the geometric means for all the 8-h TWAs was 17 mg/m(3) for the midwives and 42 mg/m(3) for the assistant midwives. Around 25% of all the 8-h TWAs exceeded the American Conference of Industrial Hygienists’ (ACGIH) threshold limit value (TLV-TWA) of 90 mg/m(3) (50 ppm). For the short-term samples (n = 29) the nitrous oxide levels varied between 19 and 4,200 mg/m(3), and 14% exceeded the Swedish occupational exposure ceiling limit value of 900 mg/m(3). The 8-h TWAs were four times higher when the non-ventilated and ventilated simple masks were compared to the double mask (P = 0.02). This trend, although not statistically significant, was also seen for the short-term Small molecule library nmr samples.\n\nConclusion A diffusive sampling method and a GC-MS analytical technique was used for long- and short-term sampling of nitrous oxide. A large number of TWAs exceeded the ACGIH-TLV. Mask connected to scavenging

systems significantly reduced the exposures. Furthermore, using a forced general air ventilation system in addition to improved work and delivery routines for the staff and the mother-to-be substantially improved the air quality in the delivery Selleck Belnacasan suites.”
“The transcription factor Snail is an important repressor of E-cadherin gene expression. It plays a key role in the induction of epithelial-mesenchymal transition, an essential process important not only in embryonic development and tumor progression but also in organ fibrogenesis. We studied the expression of Snail by immunohistochemistry, along with several epithelial phenotypic changes suggestive of epithelial-mesenchymal

transition, in 14 patients with multiple myeloma cast nephropathy. This nephropathy is characterized by a rapid progression toward fibrosis. As controls, we used normal kidneys and kidneys from patients displaying an idiopathic nephrotic syndrome, a syndrome unassociated with renal fibrosis. We discovered that, in all patients with multiple myeloma nephropathy, a drastic accumulation of Snail is seen in the nuclei from tubular epithelial cells showing epithelial phenotypic changes. In contrast, normal and idiopathic nephrotic syndrome kidneys did not exhibit either of these markers. Snail, a major player in the process of epithelial-to-mesenchymal transition, is highly expressed by tubular epithelial cells during multiple myeloma nephropathy.

Lungs and adrenals were removed, weighed and

analyzed by morphometry. Ovalbumin-exposed animals submitted to repeated stress had a reduction in mucociliary transport, and an increase on serum cortisol, adrenals weight, mucus wettability and adhesivity, positive acid mucus area and IL-4 positive cells in airway compared to non-stressed ovalbumin-exposed animals (p < 0.05). There were no effects on eosinophilic recruitment and IL-13 positive cells. Repeated stress reduces mucociliary clearance due to mucus theological-property alterations, increasing acid mucus and its wettability and adhesivity. These effects seem to be associated with IL-4 activation. (C) 2010 Elsevier B.V. All rights reserved.”
“Studies have suggested that aluminum, a neurotoxic metal, is involved in the progression of neurodegenerative diseases. Previous selleck compound studies have confirmed that aluminum influences intracellular Ca2+ homeostasis.

However, it remains unclear whether aluminum increases or decreases intracellular Ca2+ concentrations. The present study demonstrated that Al3+ competitively binds to calmodulin (CaM), together with Ca2+, which resulted in loss of capacity of CaM to bind to Ca2+, leading to increased [Ca2+](i). Al3+ stimulated voltage-gated calcium channels on cell membranes, which allowed a small quantity of Ca2+ into the cells. Al3+ also promoted calcium release from organelles by stimulating AZD6094 chemical structure L-Ca2+alpha(1c) to trigger calcium-induced calcium release. Although Al3+ upregulated expression of Na+/Ca2+ exchanger mRNA, increased levels of Ca2+ and Na+/Ca2+ exchanger did not maintain a normal Ca2+ balance. Al3+ resulted in disordered intracellular calcium homeostasis by affecting calcium channels, calcium buffering, and calcium expulsion.”
“Distinct forms of

MEF2 transcription factor act as positive or negative regulators of dendritic spine formation, with MEF2C playing a key regulator role in synapse plasticity. We report here that acute cocaine treatment of rats induced the expression of MEF2C in the striatum through a recently discovered transduction pathway. Repeated injections were found to induce MEF2C to a lesser extent. The mechanism GS-7977 supplier by which MEF2C was induced involves the subsequent activation of the salt-inducible kinase SIK1 and the phosphorylation of HDAC5, a member of the class IIa of HDACs. Cocaine activated SIK1 by phosphorylation on Thr-182 residue, which was accompanied by the nuclear import of the kinase. In the nuclear compartment, SIK1 then phosphorylated HDAC5 causing the shuttling of its phospho-form from the nucleus to the cytoplasm of striatal cells. Activation of SIK1 by cocaine was further validated by the phosphorylation of TORC1/3, which was followed by the shuttling of TORC proteins from the nucleus to the cytoplasm. Activation of MEF2C was assessed by measuring the expression of the MEF2C gene itself, since the gene is known to be under the control of its own product.