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protoporphyrin/éidéime

Sábháiltear an nasc chuig an gearrthaisce
AiltTrialacha cliniciúlaPaitinní
Leathanach 1 ó 64 torthaí

Zinc protoporphyrin IX attenuates closed head injury-induced edema formation, blood-brain barrier disruption, and serotonin levels in the rat.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
The role of heme oxygenase (HO) in closed head injury (CHI) was examined using a potent HO and guanylyl cyclase inhibitor, zinc protoporphyrin (Zn-PP) in the rat. Blood-brain barrier (BBB) permeability to Evans blue and radioiodine, edema formation, and plasma and brain levels of serotonin were
OBJECTIVE Zinc protoporphyrin (ZnPP) has multiple actions. It is an interleukin-1 antagonist as well as a hemeoxygenase inhibitor. Interleukin-1 is produced in ischemic brain and probably contributes to ischemic injury, although the role of heme oxygenase during ischemia is unknown. Whether ZnPP

Effects of heme oxygenase 1 on brain edema and neurologic outcome after cardiopulmonary resuscitation in rats.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
BACKGROUND Heme oxygenase 1 (HO-1) has been shown to attenuate neuronal injury. Therefore, the authors examined whether HO-1 would reduce the brain damage caused by cardiac arrest. METHODS Rats anesthetized with halothane were subjected to 8 min of cardiac arrest by asphyxia without any pretreatment

Systemic zinc protoporphyrin administration reduces intracerebral hemorrhage-induced brain injury.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Hemoglobin degradation products result in brain injury after intracerebral hemorrhage (ICH). Recent studies found that intracerebral infusion of heme oxygenase inhibitors reduces hemoglobin- and ICH-induced brain edema in rats and pigs. The present study examined whether systemic use of zinc
The lung and kidney are two organs that are easily affected by hemorrhagic shock (HS). We investigated roles of biliary tract external drainage (BTED) in inflammation and edema of the lung and kidney in HS and its relationship with the heme oxygenase-1 (HO-1) pathway. Rat models of HS were induced
The imbalance of oxygen delivery and oxygen consumption resulting in insufficient tissue oxygenation is pathognomonic for all forms of shock. Mitochondrial function plays an important role in the cellular oxygen metabolism and has been shown to impact a variety of diseases in the intensive care

The influence of UV exposure on 5-aminolevulinic acid-induced protoporphyrin IX production in skin.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
The skin of nude mice was exposed to erythemogenic doses of UV radiation, which resulted in erythema with edema. An ointment containing 5-aminolevulinic acid (ALA) was topically applied on mouse and human skin. Differences in the kinetics of protoporphyrin accumulation were investigated in normal
Light fractionation does not enhance the response to photodynamic therapy (PDT) after topical methyl-aminolevulinate (MAL) application, whereas it is after topical 5-aminolevulinic acid (ALA). The differences in biophysical and biochemical characteristics between MAL and ALA may result in
We aimed to clarify the optimal timing for the fluorescence imaging of brain tumor tissue differentiated from brain edema after the administration of photosensitizers. We have performed an in vivo study of the kinetics of 5-aminolevulinic acid (5-ALA) in comparison with talaporfin sodium using the

Differential effects of protoporphyrin and uroporphyrin on murine mast cells.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
To investigate the mechanisms responsible for the distinct cutaneous manifestations of erythropoietic protoporphyria and porphyria cutanea tarda, the effects of protoporphyrin (PP) and uroporphyrin (URO), the predominant porphyrins in the respective disease, on mast cells were examined. Release of
The skin of albino mice given 5-aminolevulinic acid (ALA) by intraperitoneal injection rapidly developed the characteristic red fluorescence of protoporphyrin IX. Fluorescence microscopy of frozen tissue sections revealed intense red fluorescence within the sebaceous glands and a much weaker

Zinc protoporphyrin, zinc ion, and protoporphyrin reduce focal cerebral ischemia.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
OBJECTIVE Zinc protoporphyrin pretreatment protects against temporary focal ischemic brain injury in rats. However, it is not known whether the zinc or the protoporphyrin portion of zinc protoporphyrin has effects on focal cerebral ischemia. Hence, all three agents were compared with regard to

Possible involvement of interleukin-1 in ischemic brain edema formation.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
To determine the contribution of interleukin 1 (IL-1) on ischemic brain edema formation, the effect of recombinant human interleukin 1 beta (rhIL-1 beta), or zinc protoporphyrin (ZnPP) as an IL-1 blocker, on brain edema was studied in rats. The animals were subjected to 60 min of ischemia in a

Anti-inflammatory properties of zinc protoporphyrin disodium (Zn-PP-2Na).

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Anti-inflammatory properties of zinc protoporphyrin disodium (Zn-PP-2Na) were studied. Zn-PP-2Na exhibits anti-allergic action against type III and IV reactions (passive Arthus reaction in rats and tuberculin-induced footpad reaction in mice), but does not affect type I and II reactions (homologous

Brain edema after experimental intracerebral hemorrhage: role of hemoglobin degradation products.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
OBJECTIVE The mechanisms involved in brain edema formation following intracerebral hemorrhage (ICH) have not been fully elucidated. The authors have found that red blood cell lysis plays an important role in edema development after ICH. In the present study, they sought to determine whether
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