LIVIVO - Search results -

Search results

Result 1 - 10 of total 334

Search options

Article ; Online: Sympathetic Nerve Activation in Acute Kidney Injury and Cardiorenal Syndrome.

Doi, Kent / Matsuura, Ryo

2023 Volume 147, Issue 12, Page(s) 717–720

Abstract: The interactions between the kidney and heart are well studied and frequently lumped together as cardiorenal syndrome. It is believed that the sympathetic nervous system is involved in the mechanism of kidney injury caused by heart failure, but direct ... ...

Abstract	The interactions between the kidney and heart are well studied and frequently lumped together as cardiorenal syndrome. It is believed that the sympathetic nervous system is involved in the mechanism of kidney injury caused by heart failure, but direct evidence is still lacking. In chronic renal fibrosis, sympathetic nerve activation was demonstrated to be harmful by unilateral ureteral obstruction and post-ischemia reperfusion injury models. On the other hand, sympathetic nerve activation seemed protective in acute kidney injury models such as ischemia reperfusion injury and lipopolysaccharide injection. Our recent investigation showed that post-ischemic renal fibrosis was attenuated when preexisting heart failure was induced by transverse aortic constriction surgery and renal denervation canceled this protection. These findings suggest sympathetic nerve activation in cardiorenal syndrome may be protective on chronic renal fibrosis development caused by ischemic an insult.
MeSH term(s)	Rats ; Animals ; Humans ; Cardio-Renal Syndrome ; Rats, Sprague-Dawley ; Acute Kidney Injury ; Kidney/pathology ; Sympathetic Nervous System/physiology ; Ischemia ; Reperfusion Injury/pathology ; Heart Failure/complications ; Fibrosis
Language	English
Publishing date	2023-09-27
Publishing country	Switzerland
Document type	Journal Article ; Review ; Research Support, Non-U.S. Gov't
ZDB-ID	207121-6
ISSN	2235-3186 ; 1423-0186 ; 1660-8151 ; 0028-2766
ISSN (online)	2235-3186 ; 1423-0186
ISSN	1660-8151 ; 0028-2766
DOI	10.1159/000534217
Database	MEDical Literature Analysis and Retrieval System OnLINE

In stock of ZB MED Cologne/Königswinter

Zs.A 169: Show issues

Location:
Je nach Verfügbarkeit (siehe Angabe bei Bestand)
bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
Jg. 1995 - 2021: Lesesall (1.OG)
ab Jg. 2022: Lesesaal (EG)

Order via subito

This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

Details ▾
- See ZB MED holdings
- Order with fees

Article ; Online: Slow water dynamics in dehydrated human Jurkat T cells evaluated by dielectric spectroscopy with the Bruggeman-Hanai equation.

Matsuura, Hiroaki / Takano, Kiyoshi / Shirakashi, Ryo

RSC advances

2023 Volume 13, Issue 30, Page(s) 20934–20940

Abstract: The picosecond orientational dynamics of intracellular water was measured by dielectric spectroscopy, with the aim of revealing the effects of cryoprotective agents (CPAs) on biological cells. As a first step, Jurkat cells (human T lymphocyte cells) ... ...

Abstract	The picosecond orientational dynamics of intracellular water was measured by dielectric spectroscopy, with the aim of revealing the effects of cryoprotective agents (CPAs) on biological cells. As a first step, Jurkat cells (human T lymphocyte cells) suspended in aqueous sucrose solutions of different concentrations ranging from 0.3 M (isotonic) to 0.9 M (hypertonic) were examined at 25 °C with a frequency range up to 43.5 GHz. The Bruggeman-Hanai equation was employed to obtain a cellular dielectric spectrum without extracellular contributions from the measured complex permittivity of the cell suspensions. By analyzing the γ process around 10
Language	English
Publishing date	2023-07-11
Publishing country	England
Document type	Journal Article
ISSN	2046-2069
ISSN (online)	2046-2069
DOI	10.1039/d3ra02892e
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Article ; Online: Acute kidney injury and distant organ dysfunction-network system analysis.

Matsuura, Ryo / Doi, Kent / Rabb, Hamid

Kidney international

2023 Volume 103, Issue 6, Page(s) 1041–1055

Abstract: Acute kidney injury (AKI) occurs in about half of critically ill patients and is associated with high in-hospital mortality, increased long-term mortality postdischarge, and subsequent progression to chronic kidney disease. Numerous clinical studies have ...

Abstract	Acute kidney injury (AKI) occurs in about half of critically ill patients and is associated with high in-hospital mortality, increased long-term mortality postdischarge, and subsequent progression to chronic kidney disease. Numerous clinical studies have shown that AKI is often complicated by dysfunction of distant organs, which is a cause of the high mortality incidence associated with AKI. Experimental studies have elucidated many mechanisms of AKI-induced distant organ injury, which include inflammatory cytokines, oxidative stress, and immune responses. This review provides an update on evidence of organ crosstalk and potential therapeutics for AKI-induced organ injuries, and presents the new concept of a systemic organ network that balances homeostasis and involves multi-organ crosstalk beyond that of the kidney with a single distant organ.
MeSH term(s)	Humans ; Multiple Organ Failure/etiology ; Aftercare ; Patient Discharge ; Acute Kidney Injury/etiology ; Acute Kidney Injury/therapy ; Acute Kidney Injury/epidemiology ; Kidney ; Critical Illness
Language	English
Publishing date	2023-04-06
Publishing country	United States
Document type	Journal Article ; Review ; Research Support, Non-U.S. Gov't
ZDB-ID	120573-0
ISSN	1523-1755 ; 0085-2538
ISSN (online)	1523-1755
ISSN	0085-2538
DOI	10.1016/j.kint.2023.03.025
Database	MEDical Literature Analysis and Retrieval System OnLINE

In stock of ZB MED Cologne/Königswinter

Zs.A 797: Show issues

Location:
Je nach Verfügbarkeit (siehe Angabe bei Bestand)
bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
Jg. 1995 - 2021: Lesesall (1.OG)
ab Jg. 2022: Lesesaal (EG)

Order via subito

Details ▾
- See ZB MED holdings
- Order with fees

Article: Optimizing start-up strategies for the two-inflow nitritation/anammox process: Influence on biofilm microbial community composition.

Zulkarnaini, Zulkarnaini / Matsuura, Norihisa / Kanazawa, Sui / Honda, Ryo / Yamamoto-Ikemoto, Ryoko

Water science and technology : a journal of the International Association on Water Pollution Research

2024 Volume 89, Issue 6, Page(s) 1583–1594

Abstract: Low-energy nitrogen removal from ammonium-rich wastewater is crucial in preserving the water environment. A one-stage nitritation/anammox process with two inflows treating ammonium-containing wastewater, supplied from inside and outside the wound filter, ...

Abstract	Low-energy nitrogen removal from ammonium-rich wastewater is crucial in preserving the water environment. A one-stage nitritation/anammox process with two inflows treating ammonium-containing wastewater, supplied from inside and outside the wound filter, is expected to stably remove nitrogen. Laboratory-scale reactors were operated using different start-up strategies; the first involved adding nitritation inoculum after anammox biomass formation in the filter, which presented a relatively low nitrogen removal rate (0.171 kg N/m
MeSH term(s)	Wastewater ; Anaerobic Ammonia Oxidation ; Oxidation-Reduction ; Bioreactors/microbiology ; Ammonium Compounds ; Bacteria ; Microbiota ; Biofilms ; Nitrogen ; Sewage ; Denitrification
Chemical Substances	Wastewater ; Ammonium Compounds ; Nitrogen (N762921K75) ; Sewage
Language	English
Publishing date	2024-03-02
Publishing country	England
Document type	Journal Article
ZDB-ID	764273-8
ISSN	1996-9732 ; 0273-1223
ISSN (online)	1996-9732
ISSN	0273-1223
DOI	10.2166/wst.2024.065
Database	MEDical Literature Analysis and Retrieval System OnLINE

In stock of ZB MED Cologne/Königswinter

Einzelsignatur: Show issues

Order via subito

Details ▾
- See ZB MED holdings
- Order with fees

Article: Falciform ligament hernia: combination of key CT findings.

Matsuura, Tomonori / Satani, Nozomi / Tamura, Ryo / Kagaya, Yuriko / Yamada, Takayuki

Radiology case reports

2023 Volume 18, Issue 5, Page(s) 2039–2042

Abstract: A male patient in his early 90s with no history of abdominal surgery was referred to us for abdominal pain and vomiting. An abdominal computed tomography (CT) demonstrated dilated small bowel with a double beak sign and poorly enhanced wall, which ... ...

Abstract	A male patient in his early 90s with no history of abdominal surgery was referred to us for abdominal pain and vomiting. An abdominal computed tomography (CT) demonstrated dilated small bowel with a double beak sign and poorly enhanced wall, which indicated a closed-loop obstruction that leads to strangulation. A closed-loop bowel was located in front of the anterior and medial segments of the liver and to the right of the round ligament of the liver on axial images. Sagittal images revealed that the round ligament has deviated downward and 2 adjacent narrowed intestines were located at its cranial side. These CT findings suggested the hernia orifice was in the falciform ligament. Emergency surgery for highly suspected bowel ischemia revealed the falciform ligament hernia. A combination of the CT findings played a key role, including the double beak sign, the location of the closed-loop small bowel, and the downward deviation of the round ligament, although preoperative CT diagnosis of falciform ligament hernia is a diagnostic challenge.
Language	English
Publishing date	2023-03-25
Publishing country	Netherlands
Document type	Case Reports
ZDB-ID	2406300-9
ISSN	1930-0433
ISSN	1930-0433
DOI	10.1016/j.radcr.2023.02.058
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Article ; Online: Crystal growth of clathrate hydrate formed with H

Maruyama, Meku / Matsuura, Riku / Ohmura, Ryo

Scientific reports

2021 Volume 11, Issue 1, Page(s) 11315

Abstract: Hydrate-based gas separation technology is applicable to the ... ...

Abstract	Hydrate-based gas separation technology is applicable to the CO
Language	English
Publishing date	2021-05-31
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-021-90802-6
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Article ; Online: BENEFIT OF HIGHER BLOOD PRESSURE TARGET IN SEVERE ACUTE KIDNEY INJURY TREATED BY CONTINUOUS RENAL REPLACEMENT THERAPY.

Matsuura, Ryo / Komaru, Yohei / Hamasaki, Yoshifumi / Nangaku, Masaomi / Doi, Kent

Shock (Augusta, Ga.)

2023 Volume 60, Issue 4, Page(s) 534–538

Abstract: Abstract: Introduction : The optimal target of mean arterial pressure (MAP) during continuous renal replacement therapy (CRRT) is unknown. Method : We retrospectively collected the hourly MAP data in acute kidney injury patients requiring CRRT who ... ...

Abstract	Abstract: Introduction : The optimal target of mean arterial pressure (MAP) during continuous renal replacement therapy (CRRT) is unknown. Method : We retrospectively collected the hourly MAP data in acute kidney injury patients requiring CRRT who admitted to the intensive care unit in the University of Tokyo hospital during 2011-2019. Patients who died within 48 h of CRRT start and whose average value of hourly MAPs during the first 48 h was <65 mm Hg were excluded. When the average value of MAP was ≤75 mm Hg or >75 mm Hg, patients were allocated to the low or high target group. We estimated the effect of MAP on mortality and RRT independence at 90 days, using multivariable the Cox regression model and Fine and Gray model. Result : Of the 275 patients we analyzed, 95 patients were in the low group. There are no differences in sex, baseline kidney function, and disease severity. At 90 days, the low target group had higher mortality with 38 deaths (40.0%) compared with 57 deaths (31.7%) in the high target group ( P < 0.05). The adjusted hazard ratio of the low target group (≤75 mm Hg) for mortality was 1.72 (95% CI, 1.08-2.74). In addition, the low target group had a lower rate of RRT independence, with 60 patients (63.2%) compared with 136 patients (75.6%) in the high target group ( P < 0.05). The multivariable analysis revealed that the adjusted hazard ratio of the low target group for RRT independence was 0.74 (95% CI, 0.54-1.01). Conclusion : This study found the association with low MAP and mortality. The association with low MAP and delayed renal recovery was not revealed.
MeSH term(s)	Humans ; Continuous Renal Replacement Therapy ; Renal Replacement Therapy/methods ; Retrospective Studies ; Blood Pressure ; Acute Kidney Injury/therapy
Language	English
Publishing date	2023-08-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	1185432-7
ISSN	1540-0514 ; 1073-2322
ISSN (online)	1540-0514
ISSN	1073-2322
DOI	10.1097/SHK.0000000000002207
Database	MEDical Literature Analysis and Retrieval System OnLINE

In stock of ZB MED Cologne/Königswinter

Zs.A 3985: Show issues

Location:
Je nach Verfügbarkeit (siehe Angabe bei Bestand)
bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
Jg. 1995 - 2021: Lesesall (2.OG)
ab Jg. 2022: Lesesaal (EG)

Order via subito

Details ▾
- See ZB MED holdings
- Order with fees

Article ; Online: Stochastic Analysis of Molecular Dynamics Reveals the Rotation Dynamics Distribution of Water around Lysozyme.

Hu, Kang / Matsuura, Hiroaki / Shirakashi, Ryo

The journal of physical chemistry. B

2022 Volume 126, Issue 24, Page(s) 4520–4530

Abstract: Water dynamics is essential to biochemical processes by mediating all such reactions, including biomolecular degeneration in solutions. To disentangle the molecular-scale distribution of water dynamics around a solute biomolecule, we investigated here ... ...

Abstract	Water dynamics is essential to biochemical processes by mediating all such reactions, including biomolecular degeneration in solutions. To disentangle the molecular-scale distribution of water dynamics around a solute biomolecule, we investigated here the rotational dynamics of water around lysozyme by combining molecular dynamics (MD) simulations and broadband dielectric spectroscopy (BDS). A statistical analysis using the relaxation times and trajectories of every single water molecule was proposed, and the two-dimensional probability distribution of water at a distance from the lysozyme surface with a rotational relaxation time was given. For the observed lysozyme solutions of 34-284 mg/mL, we discovered that the dielectric relaxation time obtained from this distribution agrees well with the measured γ relaxation time, which suggests that rotational self-correlation of water molecules underlies the gigahertz domain of the dielectric spectra. Regardless of protein concentration, water rotational relaxation time versus the distance from the lysozyme surface revealed that the water rotation is severely retarded within 3 Å from the lysozyme surface and is nearly comparable to pure water when farther than 10 Å. The dimension of the first hydration layer was subsequently identified in terms of the relationship between the acceleration of water rotation and the distance from the protein surface.
MeSH term(s)	Molecular Dynamics Simulation ; Muramidase/chemistry ; Rotation ; Solutions/chemistry ; Stochastic Processes ; Water/chemistry
Chemical Substances	Solutions ; Water (059QF0KO0R) ; Muramidase (EC 3.2.1.17)
Language	English
Publishing date	2022-06-08
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1520-5207
ISSN (online)	1520-5207
DOI	10.1021/acs.jpcb.2c00970
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Article ; Online: A method for measuring dielectric relaxation of water by NIR spectroscopy: Applicability and application to measurement of water diffusion coefficient

Zhang, Junkai / Matsuura, Hiroaki / Shirakashi, Ryo

Journal of Food Process Engineering. 2023 July, v. 46, no. 7 p.e14335-

2023

Abstract: Deterioration of biomaterial is subject to the interaction between biomolecules and water, which is often of special interest to the realization of long‐term preservation. In previous study, we reported the relationship between dielectric rotational ... ...

Abstract	Deterioration of biomaterial is subject to the interaction between biomolecules and water, which is often of special interest to the realization of long‐term preservation. In previous study, we reported the relationship between dielectric rotational relaxation time and the ν2 + ν3 NIR combination band of water as well as the theory behind it using saccharide solutions as examples and proposed a method accordingly which takes advantages of the infrared microscope to measure the dielectric relaxation time of water in biomaterials. In this work, we examined protein, polypeptide, sugar alcohol and some shelf‐stable vegetables to further discuss its applicability and limit. We also proved that this method can be used for measuring water diffusion coefficient and showed example of how the diffusion coefficient can be used to predict water distribution during drying process at a significantly enhanced spatial resolution relative to other techniques. PRACTICAL APPLICATIONS: Molecular mobility of water determines many properties of biomaterials and can be characterized by different spectroscopies. This paper examined the applicability of a method of calculating the dielectric relaxation time of water using NIR spectrum on different solutions and proved that this method may also be used for calculating the diffusion coefficient of water, a parameter subject to molecular mobility and crucial in the drying process. This paper also provided example of the application of this method in the calculation of water distribution during drying process. The high spatial resolution of infrared microscope relative to other techniques may enable the measurement of water dynamics in biomaterials in a much quicker way and smaller scale.
Keywords	biocompatible materials ; diffusivity ; near-infrared spectroscopy ; polypeptides ; sugar alcohols ; water distribution
Language	English
Dates of publication	2023-07
Publishing place	John Wiley & Sons, Inc.
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	752358-0
ISSN	0145-8876
ISSN	0145-8876
DOI	10.1111/jfpe.14335
Database	NAL-Catalogue (AGRICOLA)

In stock of ZB MED Bonn / Germany

Z 5016: Show issues

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Details ▾
- See ZB MED holdings
- Order with fees

Article ; Online: Screening and Management for Intracranial Aneurysms in Japanese Patients With ADPKD.

Matsuura, Ryo / Honda, Kenjiro / Oki, Rikako / Hamasaki, Yoshifumi / Doi, Kent / Nangaku, Masaomi

Kidney international reports

2022 Volume 7, Issue 8, Page(s) 1893–1896

Language	English
Publishing date	2022-06-01
Publishing country	United States
Document type	Journal Article
ISSN	2468-0249
ISSN (online)	2468-0249
DOI	10.1016/j.ekir.2022.05.026
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

To top

More links

Kategorien

In stock of ZB MED Cologne/Königswinter

Order via subito

More links

Kategorien

Order via subito

Inter-library loan at ZB MED

More links

Kategorien

In stock of ZB MED Cologne/Königswinter

Order via subito

More links

Kategorien

In stock of ZB MED Cologne/Königswinter

Order via subito

More links

Kategorien

Order via subito

More links

Kategorien

Order via subito

More links

Kategorien

In stock of ZB MED Cologne/Königswinter

Order via subito

More links

Kategorien

Order via subito

Inter-library loan at ZB MED

More links

Kategorien

In stock of ZB MED Bonn / Germany

Order via subito

Inter-library loan at ZB MED

More links

Kategorien

Order via subito

Inter-library loan at ZB MED