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Treatment strategy for locally advanced breast cancer in our department. Breast 2021. [DOI: 10.1016/s0960-9776(21)00151-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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216 Laminin-511 is a key component of epidermal basement membrane to maintain epidermal homeostasis. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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C-09 Diastolic Blood Pressure and Executive Function in Healthy Older Adults. Arch Clin Neuropsychol 2019. [DOI: 10.1093/arclin/acz034.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Objective
Our aim was to investigate the effect of elevated diastolic blood pressure (DBP) within normal blood pressure range (NBPR) on an executive functioning task (Stroop C) in a cognitively healthy, high functioning, older adult population.
Method
Archival data at Huntington Medical Research Institutes provided 35 cognitively healthy, high functioning adults from 63 to 89 years of age (M = 76, SD = 7.0). The majority were female and Caucasian, and had college or higher degrees. A general linear model (GLM) regression analysis was performed to determine if the Stroop C Interference z score would be predicted by DBP NBPR when controlling for age, sex, education level, and ApoE4 genotype.
Results
The regression model for DBP NBPR on Stroop Interference z scores was significant, F(5, 29) = 1.56, p < .05, with increased DBP NBPR associated with decreased Stroop Interference z scores (slower completion time).
Conclusions
Increased DBP NBPR was negatively associated with executive functioning as indicated by Stroop C Interference performance, such that individuals with slower completion times had elevated DBP NBPR measurements. These results suggest that increased DBP NBPR may play a role in the reduction of executive functioning performance in cognitively healthy older adults and are consistent with prior findings identifying increased DBP as a risk factor for neurodegeneration (den Heijer et al., 2005; Kennelly et al., 2009). The current study highlights the need for increased attention to the role of DBP in neurodegeneration.
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C-08 Hippocampal Volume in a Cognitively Healthy Population Scoring Within Normal Limits on Cognitive Tasks. Arch Clin Neuropsychol 2019. [DOI: 10.1093/arclin/acz034.170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Objective
Our aim was to investigate hippocampal volume in a cognitively healthy aging population that scored within normal limits on neuropsychological testing. Decreased hippocampal volume was expected to predict decreased memory performance, and not expected to predict executive function.
Method
A cross-sectional design was conducted from archival data at Huntington Medical Research Institutes. The sample consisted of 35 older adults (63-89 years) with college degrees or higher. Hippocampal volume and intracranial volume were obtained via MRI, and neuropsychological assessment measures included Wechsler Memory Scale, 3rd edition (WMS-III), California Verbal Learning Test, 2nd edition (CVLT-II), and the Stroop Color and Word Test.
Results
Total hippocampal volume was a good predictor of Logical Memory delayed (LM-II) scores (Figure 1), such that a larger hippocampus was associated with poorer LM-II performance (p < .01). Consistent with the above, both left hemisphere (LH) (p = .03), and right hemisphere (RH) hippocampal volume (p < .01), were found to be good predictors of LM-II scores, and a larger RH or LH hippocampus was associated with poorer performance. Neither CVLT-II nor Stroop C Interference sores were significantly related to total hippocampal volume.
Conclusion(s)
Unexpectedly, participants with a larger hippocampus performed more poorly on the LM-II task. These results might be explained by the effects of neuroinflammation in early Alzheimer’s disease pathology. However, given that the MRI volumes did not account for atrophy or damaged cortical tissue, inference is limited. Future research investigating the early pathology of brain aging in the hippocampus in cognitively healthy individuals is recommended.
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Reliability and validity of arm function assessment for the Fugl–Meyer assessment with a Japanese guideline. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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631 Laminin-511 is a key component of epidermal basement membrane to maintain epidermal homeostasis. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Randomized phase II study of TJ-54 (Yokukansan) for postoperative delirium in gastrointestinal and lung malignancy patients. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx676.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Developmental Changes in Locating Voice and Sound in Space. Front Psychol 2017; 8:1574. [PMID: 28979220 PMCID: PMC5611710 DOI: 10.3389/fpsyg.2017.01574] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 08/28/2017] [Indexed: 11/13/2022] Open
Abstract
We know little about how infants locate voice and sound in a complex multi-modal space. Using a naturalistic laboratory experiment the present study tested 35 infants at 3 ages: 4 months (15 infants), 5 months (12 infants), and 7 months (8 infants). While they were engaged frontally with one experimenter, infants were presented with (a) a second experimenter's voice and (b) castanet sounds from three different locations (left, right, and behind). There were clear increases with age in the successful localization of sounds from all directions, and a decrease in the number of repetitions required for success. Nonetheless even at 4 months two-thirds of the infants attempted to search for the voice or sound. At all ages localizing sounds from behind was more difficult and was clearly present only at 7 months. Perseverative errors (looking at the last location) were present at all ages and appeared to be task specific (only present in the 7 month-olds for the behind location). Spontaneous attention shifts by the infants between the two experimenters, evident at 7 months, suggest early evidence for infant initiation of triadic attentional engagements. There was no advantage found for voice over castanet sounds in this study. Auditory localization is a complex and contextual process emerging gradually in the first half of the first year.
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A-28What Predicts Performance on Lower Extremity Motor Sequencing Task in Healthy Older Adults? Arch Clin Neuropsychol 2017. [DOI: 10.1093/arclin/acx076.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Efficacy of erlotinib and imatinib in a patient with a rectal gastrointestinal stromal tumor and synchronous pulmonary adenocarcinoma: A case report. THE JOURNAL OF MEDICAL INVESTIGATION 2017; 63:144-8. [PMID: 27040071 DOI: 10.2152/jmi.63.144] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The synchronous existence of lung cancer and gastrointestinal stromal tumors (GIST) is considered to be extremely rare. To the best of our knowledge, this is the first report about the treatment of lung cancer and GIST with two kinds of molecular targeting drugs. An 83-year-old woman with a rectal GIST, which carried a c-kit mutation, and pulmonary adenocarcinoma, which exhibited an epidermal growth factor receptor (EGFR) mutation, was treated alternately with imatinib and erlotinib. Good control over both diseases was achieved for two years. The present case is not only of interest due to the rare co-occurrence of GIST and lung cancer, but also because it involved two tumors carrying different gene mutations, and both tumors were brought under control using different molecular targeting drugs.
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Analysis of morphological changes after facial massage by a novel approach using three-dimensional computed tomography. Skin Res Technol 2016; 23:369-375. [DOI: 10.1111/srt.12345] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2016] [Indexed: 11/29/2022]
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B-65Heart Rate Variability as an Index of Stress Resilience. Arch Clin Neuropsychol 2016. [DOI: 10.1093/arclin/acw043.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Acid-amplifying microcapsules: preparation, characterization, and application to cationic UV curing. RSC Adv 2016. [DOI: 10.1039/c5ra26008f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Microcapsules containing photoacid generators and acid amplifiers have been prepared using a liquid-drying method. The acid-amplifying microcapsules were applied to a cationic UV curing system of an epoxy resin using a 313 nm light source.
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1951 Impact of lapatinib (La) treatment duration and endocrine therapy (ET) addition on the efficacy of primary dual HER2 blockage with La and trastuzumab (T) for HER2+ breast cancer (BC) patients. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30899-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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1955 Primary systemic therapy by dual HER2 blockage with lapatinib (La) + trastuzumab (T) for Japanese patients (pts) with HER2+ breast cancer (BC): Association of La toxicity and dose with treatment efficacy. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30903-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Dermal anchoring structures: convex matrix structures at the bottom of the dermal layer that contribute to the maintenance of facial skin morphology. Skin Res Technol 2015; 22:152-7. [PMID: 26058484 DOI: 10.1111/srt.12242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND/PURPOSE Facial skin must be linked to underlying structures to maintain facial morphology and prevent sagging, but the mechanism of facial skin retention is largely unknown. We aimed to elucidate this mechanism. METHODS Twenty-two cheek skin specimens (age range: 10s-60s, both genders) were observed histologically. And 30 cheek of healthy Japanese volunteers (age range: 30s-50s, female) was photographed and the severity of sagging was graded. Dermal layer morphology was observed non-invasively with ultrasound. Skin-retaining force was measured with a Cutometer MPA 580(®) , and sagging severity was evaluated by grading criteria. RESULTS Histological observation revealed characteristic convex structures at the bottom of the dermal layer. Non-invasive study showed that the depth of the convex structures, measured by ultrasonography, was significantly negatively related to the ratio of viscoelastic to elastic distention (Uv/Ue) and positively related to the ratio of elastic recovery to total deformation (Ur/Uf) at the cheek of female volunteers, measured by cutometer. It was also negatively related to sagging severity. Further, Ur/Uf was negatively and Uv/Ue was positively related to sagging severity. CONCLUSION Characteristic convex structures at the bottom of the dermal layer serve as anchoring structures to maintain skin morphology.
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Effect of secondary particles on image quality of dynamic flat panels in carbon ion scanning beam treatment. Br J Radiol 2014; 88:20140567. [PMID: 25536444 DOI: 10.1259/bjr.20140567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE Real-time markerless tumour tracking using radiographic fluoroscopic imaging is one of the better solutions to improving respiratory-gated radiotherapy. However, particle beams cause secondary particles from patients, which could affect radiographs. Here, we evaluated the quality of radiographs during carbon ion pencil beam scanning (CPBS) irradiation for respiratory gating. METHODS A water phantom and chest phantom were used. The phantoms were irradiated with CPBS at 290 MeV n(-1) from orthogonal directions. Dose rates were 3.4 × 10(8), 1.14 × 10(8) and 3.79 × 10(7) particles per second. A dynamic flat panel detector (DFPD) was installed on the upstream (DFPD1) or downstream (DFPD2) side of the vertical irradiation port. DFPD images were acquired during CPBS at 15.00, 7.50 and 3.75 frames per second (fps). Charge on the DFPD was cleaned using fast readout technique every 30 fps. DFPD images were acquired during CPBS with radiographic exposure, and results with and without fast readout technique were compared. RESULTS Secondary particles were visualized as spots or streak-like shapes. Capture of secondary particles from the horizontal beam direction was lower with fast readout technique than without it. With regard to beam irradiation direction dependency, CPBS from the horizontal direction resulted in a greater magnitude of secondary particles reaching DFPD2 than reaching DFPD1. When CPBS was delivered from the vertical direction, however, the magnitude of secondary particles on both DFPDs was very similar. CONCLUSION Fast readout technique minimized the effect of secondary particles on DFPD images during CPBS. ADVANCES IN KNOWLEDGE This technique may be useful for markerless tumour tracking for respiratory gating.
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ET-67 * SUICIDE GENE THERAPY FOR GLIOMA USING MULTILINEAGE-DEFFERENTIATING STRESS ENDURING (MUSE) CELLS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou255.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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P01.22 * GENERATION OF GENETICALLY ENGINEERED INDUCED PLURIPOTENT STEM CELL-DERIVED NEURAL STEM CELLS WITHOUT USING VIRAL VECTORS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Effectiveness of female community health volunteers in the detection and management of low-birth-weight in Nepal. Rural Remote Health 2014; 14:2508. [PMID: 24724713 PMCID: PMC4017643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
INTRODCTION Low birth weight (LBW) is a major risk factor for neonatal death. However, most neonates in low-income countries are not weighed at birth. This results in many LBW infants being overlooked. Female community health volunteers (FCHVs) in Nepal are non-health professionals who are living in local communities and have already worked in a field of reproductive and child health under the government of Nepal for more than 20 years. The effectiveness of involving FCHVs to detect LBW infants and to initiate prompt action for their care was studied in rural areas of Nepal. METHODS FCHVs were tasked with weighing all neonates born in selected areas using color-coded spring scales. Supervisors repeated each weighing using electronic scales as the gold standard comparator. Data on the relative birth sizes of the infants, as assessed by their mothers, were also collected and compared with the measured weights. Each of the 205 FCHVs involved in the study was asked about the steps that she would take when she came across a LBW infant, and knowledge of zeroing a spring scale was also assessed through individual interviews. The effect of the background social characteristics of the FCHVs on their performance was examined by logistic regression. This study was nested within a community-based neonatal sepsis-management intervention surveillance system, which facilitated an assessment of the performance of the FCHVs in weighing neonates, coverage of FCHVs' visits, and weighing of babies through maternal interviews. RESULTS A total of 462 babies were weighed, using both spring scales and electronic scales, within 72 hours of birth. The prevalence of LBW, as assessed by the gold standard method, was 28%. The sensitivity of detection of LBW by FCHVs was 89%, whereas the sensitivity of the mothers' perception of size at birth was only 40%. Of the 205 FCHVs participating in the study, 70% of FCHVs understood what they should do when they identified LBW and very low birth weight (VLBW) infants. Ninety-six per cent could describe how to zero a scale and approximately 50% could do it correctly. Seventy-seven per cent of FCHVs weighed infants at least once during the study period, and 19 of them (12%) miscategorized infant weights. Differences were not detected between the background social characteristics of FCHVs who miscategorized infants and those who did not. On the basis of maternal reporting, 67% of FCHVs who visited infants had weighed them. CONCLUSIONS FCHVs are able to correctly identify LBW and VLBW infants using spring scales and describe the correct steps to take after identification of these infants. Use of FCHVs as newborn care providers allows for utilization of their logistical, geographical, and cultural strengths, particularly a high level of access to neonates, that can complement the Nepalese healthcare system. Providing additional training to and increasing supervision of local FCHVs regarding birth weight measurement will increase the identification of high-risk neonates in resource-limited settings.
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International models of investigator-initiated trials: implications for Japan. Ann Oncol 2012; 23:3151-3155. [PMID: 22843420 PMCID: PMC3501232 DOI: 10.1093/annonc/mds168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2011] [Revised: 03/05/2012] [Accepted: 04/23/2012] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Academic/institutional investigator-initiated clinical trials benefit individuals and society by supplementing gaps in industry-sponsored clinical trials. MATERIALS In May 2010, experts from Japan, the Republic of Korea, the UK, and the United States, met at a symposium in Tokyo, Japan, to discuss how policies related to the conduct of clinical trials, which have been shown to be effective, may be applied to other regions of the world. RESULTS In order to increase the availability of anticancer drugs world-wide, nations including Japan should examine the benefits of increasing the number of investigator-initiated clinical trials. These trials represent one of the most effective ways to translate basic scientific knowledge into clinical practice. These trials should be conducted under GCP guidelines and include Investigational New Drug application submissions with the ultimate goal of future drug approval. CONCLUSIONS To maximize the effectiveness of these trials, a policy to educate health care professionals, cancer patients and their families, and the public in general on the benefits of clinical trials should be strengthened. Finally, policies that expedite the clinical development of novel cancer drugs which have already been shown to be effective in other countries are needed in many nations including Japan to accelerate drug approval.
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A comparative study of the in vivo behaviour of [18F] 2-, 5- and 6-fluoro-L-dopa in the human brain. J Labelled Comp Radiopharm 2012. [DOI: 10.1002/jlcr.2580440176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Body cavity fluid can induce epithelial and mesothelial differentiation from CD34 positive peripheral blood stem cells in vitro. Cytopathology 2011; 23:237-41. [PMID: 21736644 DOI: 10.1111/j.1365-2303.2011.00888.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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[Two elderly patients with advanced breast cancer successfully treated by tri-weekly docetaxel]. Gan To Kagaku Ryoho 2010; 37:911-914. [PMID: 20495327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Case 1: An 86-year-old woman had an invasive breast cancer with dermal infiltration. Bone metastases were found in the femur and lumbar vertebrae. She was treated with 2 courses of 70 mg docetaxel (DOC) chemotherapy every 3 weeks, after which the tumor dramatically decreased in size. Following this treatment, she underwent a radical mastectomy. Case 2: An 80-year-old woman had a 10 cm tumor in the right breast. Lung and bone metastases were also found. Two 80 mg courses of DOC reduced the lung and bone metastases, and the size of the breast tumor. She underwent a local excision. Hormonal therapy is a standard treatment for hormone-sensitive breast cancer in elderly patients. It is suitable for patients who have a declining quality of life (QOL), although chemotherapy shows a higher response rate and takes less time than hormonal therapy. However, it is difficult to continue chemotherapy until pCR is achieved, even for chemotherapy-effective patients because the side effects of chemotherapy are severe. Therefore, local excision after chemotherapy is necessary for breast cancer patients to improve their QOL, even if there are distant metastatic lesions.
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A case of antilaminin 332 mucous membrane pemphigoid showing a blister on the bulbar conjunctiva and a unique epitope on the alpha3 subunit. Br J Dermatol 2010; 162:898-9. [PMID: 20199543 DOI: 10.1111/j.1365-2133.2010.09648.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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096 GAIT PERFORMANCE AND COGNITIVE FUNCTION IN PARKINSON'S DISEASE. Parkinsonism Relat Disord 2010. [DOI: 10.1016/s1353-8020(10)70097-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Rapid immunochromatography of total tear immunoglobulin E in allergic conjunctivitis with Allerwatch. J Investig Allergol Clin Immunol 2010; 20:627-628. [PMID: 21314011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
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The Warrington Recognition Memory Test for Words as a Measure of Response Bias: Total Score and Response Time Cutoffs Developed on "Real World" Credible and Noncredible Subjects. Arch Clin Neuropsychol 2009; 25:60-70. [DOI: 10.1093/arclin/acp088] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Sagging of the cheek is related to skin elasticity, fat mass and mimetic muscle function. Skin Res Technol 2009; 15:299-305. [DOI: 10.1111/j.1600-0846.2009.00364.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Comparison of postoperative surface light scattering of different intraocular lenses. Br J Ophthalmol 2009; 93:684-7. [DOI: 10.1136/bjo.2008.144691] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Difference in the odor concentrations measured by the triangle odor bag method and dynamic olfactometry. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2009; 59:1339-1342. [PMID: 19380999 DOI: 10.2166/wst.2009.112] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
'The triangle odor bag method', which has been adopted for the offensive odor control law in Japan, and the dynamic olfactometry defined by EN 13725 have been compared. The odor concentration measured by the triangle odor bag method tends to be higher than that of the dynamic olfactometry in the forced choice mode, while well agreed in the Yes/No mode olfactometry when the panel is the same. The difference can be minimized by applying the panel selection criterion of EN13725 to the triangle odor bag method. The European panel selection test is useful to negate the difference in the measurement equipments although the criteria seem to be strict considering the individual threshold data of n-butanol.
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Envisaging an allogenic Corneal endothelial precursor/Stem Cell Bank (CESBANK). J Stem Cells Regen Med 2008; 4:20-21. [PMID: 24693032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Splenic infarction and abscess after endoscopic injection of hypertonic saline-epinephrine solution administered for bleeding gastric ulcer. Endoscopy 2008; 40 Suppl 2:E239. [PMID: 18991218 DOI: 10.1055/s-2008-1077681] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Plasmin induces degradation and dysfunction of laminin 332 (laminin 5) and impaired assembly of basement membrane at the dermal-epidermal junction. Br J Dermatol 2008; 159:49-60. [PMID: 18460030 DOI: 10.1111/j.1365-2133.2008.08576.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The epidermal basement membrane (BM), located at the dermal-epidermal junction (DEJ), plays important roles not only in adhesion between epidermis and dermis, but also in controlling skin functions. In sun-exposed skin, the BM becomes disrupted and multilayered. In order to explore the impairment of BM assembly, we have used a skin-equivalent (SE) as a model of BM damage and previously clarified the involvement of matrix metalloproteinases (MMPs) in impairment of BM assembly. OBJECTIVES In this work, we examined the role of urokinase-type plasminogen activator (uPA) and plasmin in impairment of BM assembly at the DEJ by using the SE, as ultraviolet irradiation to the skin increases uPA as well as MMPs. METHODS SEs were used as a model of formation and damage of BM. Human uPA was detected by enzyme-linked immunosorbent assay and zymography, and gelatinases such as MMP-2 and MMP-9 were detected by zymography. Human plasminogen was added at 0.06 micromol L(-1) (about 3% of plasma level) to increase plasmin to a pathological level. N-terminal peptide sequence analysis of plasmin-treated laminin 332 was carried out to identify alpha3, beta3 and gamma2 chains of laminin 332 and their cleavage sites of each chain. Plasmin-treated laminin 332 was analysed in keratinocyte adhesion activity and binding to type VII collagen. RESULTS Human uPA was detected in addition to MMP-2 and MMP-9, in conditioned medium of SE. Although the BM was well organized in the presence of an MMP inhibitor alone, the activated plasmin disorganized the BM even in the presence of the inhibitor. The impairment of BM assembly made the epidermis thinner as compared with that of a control cultured in the presence of MMP inhibitor, indicating that the BM affects the polarity and differentiation of the epidermis. The addition of aprotinin, a serine proteinase inhibitor, and tranexamic acid, a uPA-plasmin inhibitor, inhibited the plasmin-induced impairment of BM assembly and facilitated BM reorganization, thereby improving the epidermal structure. N-terminal peptide sequence analysis of plasmin-treated laminin 332 revealed the removal of a 5- or 10-kDa fragment, including the cell adhesion region, from the G3 domain of the alpha3 chain, and the LN domain, which binds to the noncollagenous 1 domain in type VII collagen, from the beta3 chain. Plasmin-treated laminin 332 showed lower keratinocyte adhesion activity and reduced binding to type VII collagen. CONCLUSIONS These results suggest that uPA and plasmin are involved in the impairment of BM assembly and epidermal differentiation, and that these effects arise at least partly through direct degradation of laminin 332.
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Work Engagement in Japan: Validation of the Japanese Version of the Utrecht Work Engagement Scale. APPLIED PSYCHOLOGY-AN INTERNATIONAL REVIEW-PSYCHOLOGIE APPLIQUEE-REVUE INTERNATIONALE 2008. [DOI: 10.1111/j.1464-0597.2008.00333.x] [Citation(s) in RCA: 224] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
BACKGROUND Repeated mechanical stresses, such as scratching and rubbing, on a lesional skin area induce a rough skin condition known as lichenification in patients with chronic eczematous dermatitis. For ethical reasons, the pathomechanisms involved are difficult to study, so an animal model is required. OBJECTIVES To study the pathomechanisms of the unique rough skin changes seen in chronic eczematous dermatitis, we established a mouse skin model by repeated tape stripping to inflict stratum corneum (SC) barrier disruption. The skin characteristics of the model were investigated biologically, histologically and pharmacologically. METHODS Tape stripping was done on mouse back skin three times a week for 4 weeks. The skin changes were studied by obtaining negative replicas, haematoxylin and eosin staining, immunostaining for CD31 and BrdU, and measuring epidermal and cutaneous thickness and skin capacitance. Activities of matrix metalloproteinase (MMP)-2, 9 and urokinase-type plasminogen activator (uPA) in the skin tissues were analysed by zymography. The effects of MMP inhibitor and glycine were assessed. RESULTS The repeated tape stripping produced crusting and desquamation at 48 h, followed 1 week later by the formation of shallow furrows, which became much deeper after 4 weeks, appearing as fine and regular wrinkles. The resultant wrinkled skin resembled lichenified skin seen in patients with chronic eczematous dermatitis. Histopathologically, we found acanthosis, hypergranulosis and hyperkeratosis even at 48 h, and the skin was 2.5 times thicker than untreated control skin at 4 weeks. We observed angiogenesis in the upper dermis at 1 and 4 weeks. Skin capacitance, a parameter of SC hydration, displayed consistently low levels throughout the experimental period. Although the dermis was also thickened, the activity of MMP-9 was sharply increased only at 24 and 48 h after tape stripping, declining thereafter to the control level. Topical applications of CGS-27023A (CGS), an MMP inhibitor, failed to suppress this tape-stripping-induced wrinkle formation. In contrast, topical applications of a barrier recovery accelerator, glycine, effectively inhibited the wrinkle formation induced by repeated tape stripping. CONCLUSIONS The induction of fine and regular wrinkles by inflicting chronic SC barrier disruption in this model involves mainly epidermal changes, which is in sharp contrast to the mainly dermal changes induced by chronic ultraviolet B irradiation.
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Towards cell therapeutics for bullous keratopathy using corneal endothelial precursor cells; successful in vitro expansion after transportation in Indian conditions and characterization. J Stem Cells Regen Med 2006; 1:46-47. [PMID: 24692864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Abstract
BACKGROUND Climatic droplet keratopathy (CDK), known as spheroid degeneration of the cornea, is one of the most frequent degenerative corneal disorders affecting visual function. However, the histochemical nature of the deposits seen in CDK is still unclear. AIM To investigate the pathogenesis of CDK, we investigated the immunohistochemical localisation of advanced glycation end products (AGEs) in surgical specimens of CDK. METHODS Immunohistochemical localisation of N(epsilon)-(carboxymethyl)-l-lysine (CML), N(epsilon)-(carboxyethyl)-l-lysine (CEL), pyrraline, pentosidine and imidazolone was examined in three corneas with CDK, six corneas with bullous keratopathy and three corneas without any corneal diseases. RESULTS In all the specimens with CDK, immunoreactivity was strong in CML, moderate in pyrraline and pentosidine, and weak in imidazolone. Immunoreactivity was absent in CEL. In contrast, no immunoreactivity to CML, pyrraline, pentosidine, imidazolone or CEL was detected in corneas with bullous keratopathy, or in corneas without any corneal diseases. CONCLUSIONS CDK is caused by an aggregation of AGE-modified proteins. The result is consistent with etiological findings that ultraviolet irradiation and ageing, both of which are accelerators of AGE formation, are closely related to the development of CDK.
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Abstract
PURPOSE The purpose of the current study is to evaluate the relation between various specific class E immunoglobulins (IgE) in the serum and allergic conjunctivitis in autumn. METHODS Total IgE and specific IgE to 12 inhalant allergens were measured using the CAP system in 32 patients with allergic conjunctivitis in spring (spring group), 27 patients with allergic conjunctivitis in autumn (autumn group), and 40 healthy volunteers (control group). RESULTS Specific IgE levels caused by house dust, Dermatophagoides pteronyssinus, and orchard grass were higher in the autumn group than in the spring group. The highest positivity rate for a specific allergen was 51.9% for house dust, followed by D. pteronyssinus(48.1%) in the autumn group, while the highest rate was 68.8 % for cedar pollen, followed by cypress pollen (59.4%) in the spring group. Correlation analysis showed that house dust was significantly correlated with animal epithelia, D. pteronyssinus, acarus, and Alternaria tenuis in the autumn group (P<0.001). CONCLUSIONS These results suggest that house dust is the main cause of allergic conjunctivitis during autumn. In spring, cypress pollen is the largest cause of allergic conjunctivitis, while indoor allergens such as house dust, animal epithelia, D. pteronyssinus, and acarus are not causative allergens in Japan.
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Protective effect of matrix metalloproteinase inhibitors against epidermal basement membrane damage: skin equivalents partially mimic photoageing process. Br J Dermatol 2005; 153 Suppl 2:37-46. [PMID: 16280020 DOI: 10.1111/j.1365-2133.2005.06968.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND The epidermal basement membrane (BM) plays important roles in adhesion between epidermis and dermis, and in controlling epidermal differentiation. The BM has been reported to be damaged in sun-exposed skin. Although matrix metalloproteinases (MMPs) are believed to be involved in the BM damage, there is no good in vitro model for examining BM damage by MMPs or for exploring methods to protect the BM. OBJECTIVES To examine the involvement of MMPs in BM damage and approaches to protect the BM from such damage by using an in vitro skin-equivalent (SE) model. METHOD SE was prepared by culturing human keratinocytes on contracted collagen gel including human fibroblasts. MMP-1, -2, -3 and -9, laminin 5 and type IV and VII collagens were determined by specific sandwich ELISAs, and MMP-2 and MMP-9 were analysed by gelatin zymography. Histological examination of SE was also carried out. RESULTS Despite production of BM components such as laminin 5 and type IV and VII collagens in SEs, BM was rarely observed at the dermal-epidermal junction. Several MMPs, such as MMP-1, -2, -3 and -9, were observed to be present in conditioned media and some of them were in active forms. Tissue inhibitor of metalloproteinase (TIMP)-2 was not detected, although TIMP-1 was present. Synthetic MMP inhibitors, CGS27023A and MMP-inhibitor I, which inhibit MMP-1, -2, -3 and -9, markedly augmented deposition of laminin 5 and type IV and VII collagens at the dermal-epidermal junction, resulting in the formation of continuous epidermal BM. CONCLUSIONS Our results indicate that MMPs are involved in the degradation of BM in SEs, and that MMP inhibitors exert a protective effect against BM damage.
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Abstract
AIM To evaluate blinking patterns in patients with diabetes mellitus and whether blinking contributes to the formation of superficial punctate keratopathy in diabetic patients. METHODS We examined 163 patients with type II diabetes mellitus and 76 without diabetes. Blinks were recorded, analysed using six parameters, and compared between patients with and without diabetes. Multivariate regression analysis was performed to assess the influence of other ocular factors, such as status of tear lipid layer, tear breakup time, corneal sensitivity, the result of cotton thread test, or blinking rate related to superficial punctate keratopathy. RESULTS In patients with diabetes, the average mean and maximum interblinking times were longer, the average coefficient of variation of interblinking time was higher, and the average blinking rates were lower than those in patients without diabetes. Multivariate regression analysis revealed that the status of tear lipid layer and tear breakup time were significantly relevant to superficial punctate keratopathy (P < 0.01). CONCLUSION Interblinking time was longer in diabetic patients, resulting in a decreased blinking rate. The prevalence of superficial punctate keratopathy cannot be predicted from blinking patterns in patients with diabetes.
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Fibulin-5 deposition in human skin: decrease with ageing and ultraviolet B exposure and increase in solar elastosis. Br J Dermatol 2005; 153:607-12. [PMID: 16120151 DOI: 10.1111/j.1365-2133.2005.06716.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Fibulin-5 was recently found as a secreted extracellular matrix protein that functions as a scaffold for elastic fibres. However, the distribution of fibulin-5 in human skin and its changes during the ageing process are not known. OBJECTIVES To explore the involvement of fibulin-5 in skin ageing, the age-dependent changes in fibulin-5 localization in human skin were examined compared with those of other elastic fibre components including elastin, fibrillin-1 and fibulin-2. Methods The distribution of elastin, fibrillin-1, fibrillin-2, fibulin-2 and fibulin-5 was investigated by means of immunohistochemistry using their specific antibodies. Skin samples were recovered from 12 healthy subjects undergoing plastic surgery. Ultraviolet (UV) B-irradiated or control nonirradiated buttock skin samples were obtained from two healthy volunteers at 2 days after the irradiation at 2 minimal erythemal doses. RESULTS In the reticular dermis of young sun-protected skin from the upper arm, fibulin-5 colocalized with the other elastic fibre components, while in the papillary dermis fibulin-5 showed candelabra-like structures perpendicular to the epidermis with an unstained area just beneath the epidermis, which was similar to that of elastin but not fibrillin-1. Fibulin-5 in the reticular dermis decreased and disappeared with age even in sun-protected skin from the thigh, abdomen and upper arm. In sun-exposed skin, fibulin-5 was extremely reduced in the dermis of cheek skin even from a 20-year-old man. UVB irradiation reduced fibulin-5, fibulin-2 and elastin markedly, moderately and weakly, respectively, compared with levels in control nontreated skin. Interestingly, the deposition of fibulin-5 was increased in solar elastosis, like that of other elastic fibre components. CONCLUSIONS These results suggest that fibulin-5 is a good marker of skin ageing and that the earlier loss of fibulin-5 may involve age-dependent changes in other elastic fibre components.
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A randomised, placebo controlled clinical trial of the aldose reductase inhibitor CT-112 as management of corneal epithelial disorders in diabetic patients. Br J Ophthalmol 2005; 89:266-8. [PMID: 15722300 PMCID: PMC1772556 DOI: 10.1136/bjo.2004.049841] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM To evaluate the efficacy of topical aldose reductase inhibitor CT-112 (5-[3-ethoxy-4-pentyloxyphenyl]-2,4-thiazolidinedione) on corneal epithelial barrier function in diabetic patients. METHODS This was a prospective, randomised, double masked placebo controlled study. 34 eyes of 34 diabetic patients were randomly assigned treatment with 0.25% eye drops of CT-112 (n = 22) or a placebo (n = 12) four times a day for 8 weeks. Corneal fluorescein staining and corneal sensation were examined before treatment as well as 4 and 8 weeks after administration. Corneal epithelial permeability to fluorescence was measured with an anterior fluorophotometer. RESULTS Average scores of superficial punctate keratopathy and corneal sensitivity did not differ significantly between the two groups at any time. Whereas average fluorescein concentrations did not differ significantly for the CT-112 and placebo groups before treatment, they did differ significantly 4 and 8 weeks after treatment (4 weeks, p = 0.0327; 8 weeks, p = 0.0143). CONCLUSION The topical aldose reductase inhibitor, CT-112 improves the corneal epithelial barrier function in diabetic patients.
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Preliminary Isolation of Viable Protoplasts from Egg Cells in Facultative Apomictic Guineagrass (Panicum maximum). CYTOLOGIA 2005. [DOI: 10.1508/cytologia.70.171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
The aetiology of chronic thromboembolic pulmonary hypertension (CTEPH) is largely unknown and may be heterogeneous, because there are several ethnic differences in the clinical characteristics of CTEPH. Female predominance and a higher ratio of chronic to acute pulmonary thromboembolism have been reported in Japan as compared with the USA. Because such ethnic differences may be controlled by genetic factors, the current study investigated HLA polymorphisms in Japanese patients with CTEPH. HLA typing by serological and/or DNA typing methods was performed (for HLA-A, B, DPB1, DRB1) in 80 patients and 678 controls, and the association of clinical characteristics with HLA alleles was studied. The frequencies of HLA-B*5201 (40 versus 24%) and DPB1*0202 (19 versus 6%) were significantly higher in the patients. HLA-B*5201 positive patients showed a significant female predominance. Total pulmonary vascular resistance and mixed venous oxygen tension were better in the HLA-B*5201 positive patients. In contrast, cardiac index and gas exchange parameters were worse in the HLA-DPB1*0202 positive patients. In the patients carrying HLA-B*5201 and/or -DPB1*0202, the frequency of deep vein thrombosis was significantly lower than the other patients. These observations suggested that both the susceptibility and clinical characteristics of chronic thromboembolic pulmonary hypertension were controlled in part by the HLA-B and -DPB1 loci.
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Increase of laminin 5 synthesis in human keratinocytes by acute wound fluid, inflammatory cytokines and growth factors, and lysophospholipids. Br J Dermatol 2004; 151:961-70. [PMID: 15541073 DOI: 10.1111/j.1365-2133.2004.06175.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND Laminin 5 is known to induce the adhesion, spreading and migration of human keratinocytes. In skin wound healing, laminin 5 deposition beneath migrating keratinocytes occurs early and is followed by the formation of hemidesmosomes and then basement membrane. OBJECTIVES To identify factors that regulate the synthesis and secretion of laminin 5 by human keratinocytes during acute wound healing. METHODS Laminin 5 synthesis by human keratinocytes was determined by a specific sandwich enzyme-linked immunosorbent assay. To determine the total amount of laminin 5 synthesized, laminin 5 deposited on culture dishes and inside cells was solubilized by detergent solution and determined separately from conditioned medium, and the total laminin 5 synthesis was calculated. A quantitative polymerase chain reaction method was used to measure the expression levels of laminin 5 genes, LAMA3, LAMB3 and LAMC2, which correspond to the alpha3, beta3 and gamma2 chains of laminin 5. We also examined the effects of lysophospholipids, proinflammatory cytokines and growth factors, which are components in acute wound fluids, on laminin 5 synthesis in keratinocytes. RESULTS Human acute wound fluid at days 1, 2 and 3 stimulated laminin 5 synthesis in cultured human keratinocytes in a concentration-dependent manner, although findings are restricted to one case. Human serum also increased laminin 5 production by human keratinocytes as strongly as the wound fluid did, suggesting that the major active components in acute wound fluid may be derived from those in human serum. Lysophospholipids such as lysophosphatidic acid (LPA), lysophosphatidylcholines (LPCs) and sphingosine-1-phosphate (S1P) increased laminin 5 synthesis in a concentration-dependent manner. Among growth factors, epidermal growth factor, insulin-like growth factor-1, interferon-gamma and keratinocyte growth factor increased laminin 5 production in keratinocytes, while platelet-derived growth factor, hepatocyte growth factor and basic fibroblast growth factor were ineffective. Although interleukin-1alpha had no effect, transforming growth factor (TGF)-alpha, tumour necrosis factor (TNF)-alpha and TGF-beta1 also stimulated laminin 5 synthesis, and TGF-alpha and TGF-beta1 showed a synergistic effect. Neutralizing antibodies to TGF-alpha and TGF-beta1 markedly inhibited the enhanced laminin 5 synthesis by human serum, suggesting that TGF-alpha and TGF-beta1 are important components to increase laminin 5 in human serum. In line with the increase of laminin 5 synthesis, the expression levels of all three laminin 5 genes were also augmented by TGF-alpha and TGF-beta1. CONCLUSIONS Laminin 5 synthesis in human keratinocytes was augmented by inflammatory cytokines and growth factors such as TGF-alpha, TGF-beta1 and TNF-alpha, and lysophospholipids such as S1P, LPA and LPCs, which are supposed to be present in acute wound fluid. The increased laminin 5 protein in the wound area presumably enhances wound repair by stimulating adhesion and migration of keratinocytes on the wound bed and by facilitating basement membrane formation at the dermal-epidermal junction.
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Development and progression of diabetic retinopathy in patients with Type 1 diabetes who are positive for GAD autoantibody. Diabet Med 2004; 21:559-62. [PMID: 15154939 DOI: 10.1111/j.1464-5491.2004.01204.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS To investigate the relationship between autoantibodies to glutamic acid decarboxylase (GAD) and proliferative diabetic retinopathy (PDR) to assess the role of autoimmunity in retinopathy. METHODS Patients with Type 1 diabetes for more than 10 years who had been diagnosed under age 30 (13-28 years) were studied. They were classified into three groups. The PDR group consisted of 22 patients, the pre-PDR group was 26 patients, while the non-DR group was 32 patients who had Type 1 diabetes without retinopathy. Blood was collected to measure autoantibodies to GAD, and the relationship between PDR and GAD positivity was investigated in a cross-sectional study. RESULTS The highest positivity rate of GAD autoantibodies was 50.0% in the non-DR group, followed by the pre-PDR group (30.8%) and the PDR group (18.2%). CONCLUSIONS Production or existence of GAD autoantibodies may contribute to the prevention of retinopathy.
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