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ALA-CPM

ABSTRACT: Interventions: 3-4 hours before the operation, 1.5 g (20 mg / kg) of araglio granules was dissolved in 50 ml of water and orally administered. Under general anesthesia and insufflation of carbon dioxide gas, the inside of the abdominal cavity is observed using a white and fluorescent light source device. The presence or absence of fluorescence is evaluated using normal light (white light) and blue light.;Oral administration of 5-ALA Primary outcome(s): ALA-PDD increases the accuracy of peritoneal metastasis (Comparison of sensitivity between white light and blue light) Study Design: single arm study, open(masking not used), uncontrolled control, single assignment, diagnostic purpose

DISEASE(S): Peritoneal Metastasis From Colorectal Cancer, 5-ala,Peritoneal Metastasis From Colorectal Cancer

PROVIDER: 2614347 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:We have studied the transcriptional, metabolic and photo-physiological responses to light of different spectral quality in the marine diatom Phaeodactylum tricornutum through time-series studies of cultures exposed to equal doses of photosynthetically usable radiation of blue, green and red light. The experiments showed that short-term differences in gene expression and profiles are mainly light quality-dependent. Transcription of photosynthesis-associated nuclear genes was activated mainly through a light quality-independent mechanism likely to rely on chloroplast-to-nucleus signaling. In contrast, genes encoding proteins important for photoprotection and PSII repair were highly dependent on a blue light receptor-mediated signal. Changes in energy transfer efficiency by light-harvesting pigments were spectrally dependent; furthermore, a declining trend in photosynthetic efficiency was observed in red light. The combined results suggest that diatoms possess a light quality-dependent ability to activate photoprotection and efficient repair of photodamaged PSII. In spite of approximately equal numbers of PSII-absorbed quanta in blue, green and red light, the spectral quality of light is important for diatom responses to ambient light conditions. Continuous, axenic culturing of P. tricornutum was done as described in Nymark et al. (2009). The cultures were incubated at 15M-BM-0C under cool white fluorescent light (Philips TLD 36W/96) providing a scalar irradiance (EPAR) of 100 M-NM-<mol m-2 s-1 under continuous white light (CWL) conditions. Upon the onset of the experiment the cultures were synchronized by 48 h dark-treatment (D48). Thereafter the algae were exposed to blue light (BL), green light (GL) or red light (RL) provided by a waveband specific LED panel (SL3500, Photon Systems Instruments). The algae were exposed to 0.5 h, 6 h or 24 h of: 1) 230 M-NM-<mol m-2 s-1 of RL, 2) 100 M-NM-<mol m-2 s-1 of GL, 3) 50 M-NM-<mol m-2 s-1 of BL or 4) 100 M-NM-<mol m-2 s-1 of WL respectively. Three biological replicas for each of the treatments were harvested. Data for the white light exposure and 48h dark treatment is described in GSE42039, PMID: 23520530.

Project description:There are 16 organ samples (dry seeds, 24H imbibed seeds, 48H imbibed seeds, juvenile rosette, adult rosette, senescence leaves, cauline leaves, stems, young buds, mature flower buds, flowers, young siliques, mature siliques and old siliques) with triplicates. There are 17 samples of different environmental samples (0 h white, 1 h white, 6 h white, 24 h white, dark, blue, far-red and red lights, control, cold 2h, cold 6h, hot 2h, hot 6h, NaCl 2h, NaCl 6h, dry 2h and dry 6h) with triplicates. For 12 organs, three lines of plants were grown in soil under the long-day conditions of 16 hours light at 22℃. Samples were collected from each of juvenile rosette leaves, adult rosette leaves, cauline leaves, stems, young flower buds (sepals were closed and petals are not visible), mature flower buds (petals are visible), flowers, young siliques filled with white seeds, mature siliques filled with green seeds, old yellowing siliques (2-month-old) and senescence rosettes. Root tissues were collected from 2-week-old plants growing on 1% agar plates containing Murashige and Skoog (MS). Callus were collected from cultured CIM (callus induction medium) containing B5 medium supplemented with 20 g liter–1 glucose, 0.5 mg liter–1 2,4-D, and 0.1 mg liter–1 kinetin. Dry seed was defined to be after-ripened seeds for 4 weeks. Imbibed seeds are collected from seeds imbibed on the moistened paper for 24 and 48 hours under the continuous light at 22℃. In light irradiations, wild type (WT) seeds were plated on MS plates. For the time course experiment of white light, the plates were placed at 4°C in darkness for at least 2 days prior to receiving 6 h red light irradiation to synchronize germination. Then, plates were placed in the dark for 3 days and then exposed to white fluorescent light (100 μmol m–2 s–1) for 1, 6 and 24 h. For monochromatic light experiment, WT seedlings were grown in continuous red light, blue light, far-red light, or darkness for 6 days after red light irradiation. The light intensity used was 0.17 μmol m–2 s–1 for red light, 1.16 μmol m–2 s–1 for blue light and 0.53 μmol m–2 s–1 for far-red light. All abiotic stress samplings were collected from plants grown for 2 weeks on MS plates under 2 and 6 hours of abiotic stress conditions at the continuous light at 22℃. For drought stress treatment, plants were transferred and dehydrated onto the dried filter paper in the covered plastic dishes. For heat and cold stress treatments, the covered plastic dishes with plants were transferred directly from 22 to 37 and 2℃ respectively. For salinity stress treatment, plants were transferred onto the filter paper moistened with MS plates including 200mM NaCl.

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ALA-CPM

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