Chung-Hung Shih

Chung-Hung Shih
Taipei Medical University | TMU · Chest Department

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25
Publications
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364
Citations

Publications

Publications (25)
Article
Full-text available
Introduction: Hesperetin-5,7,3'-O-trimethylether (HTME), a synthetic liposoluble hesperetin, has been reported to be a dual phosphodiesterase (PDE)3/4 inhibitor. We investigated its inhibitory effects on methacholine (MCh)-induced airway hyperresponsiveness (AHR) and its potential for treating atypical asthma and COPD. Methods: FlexiVent system...
Article
A clear and positive correlation between the CO2 concentration and the blood-sugar level has been observed via a non-invasive and time-dependent monitoring of CO2 concentration from human breath, which is carried out by using a home-made gas chromatography (GC)/milli-whistle compact analyzer. The time-dependent sampling of the CO2 concentration cor...
Article
Full-text available
Context: Butylidenephthalide (Bdph) has been reported to inhibit rat uterine contractions, but significantly potentiate the noradrenaline (NA)-induced contractions in guinea-pig vas deferens (GPVDs). Objective: The present study elucidates the binding specificity of Bdph in GPVD to potentiate contractions. Materials and methods: Electrical field st...
Article
Thrombin plays a crucial role in lung inflammatory diseases such as asthma and chronic obstructive pulmonary disease (COPD). Thrombin induces the release of interleukin-8 (IL-8)/CXCL8 by lung epithelial cells, and this phenomenon plays a vital role in lung inflammation. Our previous studies have indicated that thrombin stimulates IL-8/CXCL8 express...
Article
Full-text available
Context: The rhizome of Ligusticum chuaxiong Hort. (Umbelliferae) has been used by Chinese for several thousand years. Its main constituent, butylidenephthalide (Bdph), was proved to be active in inhibiting rat uterine contractions induced by prostaglandin F2α and was reported to be a nonspecific antispamodic and a blocker of voltage-dependent Ca²⁺...
Article
Mechanical ventilation using endotracheal tube (ETT) intubation is crucial in saving life but may also cause ventilator-associated pneumonia resulting in morbidity and mortality. The purpose of this study was to examine the effects of intubation duration on pathogen colonization rates of ETT cuff region, and its association with the subsequent re-i...
Article
Full-text available
Background: Phagocytic clearance of apoptotic neutrophils by tissue macrophages is a crucial component in the resolution phase of acute inflammation. However, the number of tissue macrophages is low and not likely to cope satisfactorily with the excess number of dying neutrophils. Although recent studies have reported that neutrophils are able to...
Article
Annexin A1 (AnxA1), originally identified as a glucocorticoid-regulated protein, is an impor- tant endogenous anti-inflammatory mediator during the resolution phase of inflammation, and its cir- culating level has been rarely studied in sepsis patients. Glucocorticoid has been extensively used in treating patients with sepsis. However, it is unclea...
Article
Full-text available
Background/Aims: During the resolution phase of inflammation, release of "find-me" signals by apoptotic cells is crucial in the chemoattraction of macrophages toward apoptotic cells for subsequent phagocytosis, in which microparticles derived from apoptotic cells (apo-MPs) are involved. A recent study reports that CX3CL1 is released from apoptotic...
Article
Full-text available
Background: The relationship between the various cytokine responses that occur during sepsis remains controversial. Emerging evidence indicates that the proinflammatory and anti-inflammatory responses are regulated simultaneously from the beginning of sepsis. However, the roles of the novel anti-inflammatory mediators annexin (Anx)A1 and lipoxin (...
Article
Annexin A1 (AnxA1) is an important anti-inflammatory mediator during granulocytic differentiation in all trans-retinoic acid (ATRA) treated acute promyelocytic leukemic (APL) cells. Dexamethasone has been used successfully to prevent complications in ATRA-treated APL patients, although its mechanism of action is still not clear. In the present stud...
Article
Annexin A1 (AnxA1) originating from mature neutrophils and their microparticles (MPs) plays an important anti-inflammatory role during the resolution phase of inflammation. However, the role of AnxA1 during the process of granulocytic differentiation is still unknown. All-trans retinoic acid (ATRA) can induce acute promyelocytic leukemic (APL) cell...
Article
"We undertook this study to investigate the adequate oxygen concentration that can be applied safely to the treatment of pneumothorax. Complete unilateral pneumothorax was induced artificially in rabbits, which were subsequently treated with various inspired oxygen fractions (FIO₂; 21%, 60%, 80% or 100%). The pneumothorax resolution time was measur...
Article
Differentiation therapy with all-trans retinoic acid (ATRA) has been used successfully to treat acute promyelocytic leukemia (APL), but such treatment also causes differentiation syndrome (DS) by inducing APL cell infiltration into alveolar spaces. The mechanism underlying the clearance of infiltrated APL cells has not been investigated in detail....
Article
Full-text available
Hesperetin, a selective phosphodiesterase (PDE)4 inhibitor, is present in the traditional Chinese medicine, "Chen Pi." Therefore, we were interested in investigating its effects on ovalbumin- (OVA-) induced airway hyperresponsiveness, and clarifying its rationale for ameliorating asthma and chronic obstructive pulmonary disease (COPD). Hesperetin w...
Article
To investigate the influence of different ventilatory supports on the predictive performance of breathing pattern variability for extubation outcomes in intensive care unit patients. A prospective measurement of retrospectively analyzed breathing pattern variability in a medical center. Sixty-eight consecutive and ready-for-weaning patients were di...
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The present study investigated the potential of biochanin A, a phytoestrogenic isoflavone of red clover (Triflolium pratense), for use in treating asthma or chronic obstructive pulmonary disease (COPD). Biochanin A (100 μmol/kg, orally (p.o.)) significantly attenuated airway resistance (RL), enhanced pause (Penh), and increased lung dynamic complia...
Article
Full-text available
The Ca(2+) channel subtypes in the neurotransmission of isolated guinea pig trachea were elucidated by monitoring the effects of specific Ca(2+) channel blockers on cholinergic contractions and nonadrenergic noncholinergic (NANC) relaxation elicited by electrical field stimulation (EFS). In isolated guinea pig trachea, cholinergic contractile respo...
Article
Full-text available
The rapid shallow breathing index (RSBI) is commonly used clinically for predicting the outcome of weaning from mechanical ventilation. We compared the RSBI and its predictive accuracies measured under 5 ventilatory strategies before weaning trials. Ninety-eight patients were included and divided into successful (n=71) and failed (n=27) groups base...
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We report on silent brain infarction (SBI) and leuko-araiosis (LA) of 23 patients with clinically diagnosed "first-ever" acute ischemic lacunar stroke. The lacu-nar syndromes were pure motor hemiparesis (10), pure sensory syndrome (2), ataxic hemiparesis (3), dysarthria clumsy hand syndrome (3), and sensory-motor deficit (5). Nineteen out of the 23...
Article
Full-text available
S-Petasin is the main sesquiterpene of Petasites formosanus, a traditional folk medicine used to treat hypertension, tumors and asthma in Taiwan. The aim of the present study was to investigate its inhibitory effects on phosphodiesterase (PDE) 1-5, and on ovalbumin (OVA)-induced airway hyperresponsiveness (AHR) in a murine model of allergic asthma....
Article
Full-text available
In the present study, we explore the role of apoptosis signal-regulating kinase 1 (ASK1) in denbinobin-induced apoptosis in human lung adenocarcinoma (A549) cells. Denbinobin-induced cell apoptosis was attenuated by an ASK1 dominant-negative mutant (ASK1DN), two antioxidants (N-acetyl-L-cysteine (NAC) and glutathione (GSH)), a c-Jun N-terminal kina...
Article
All-trans retinoic acid (ATRA) can induce acute respiratory distress syndrome in patients with acute promyelocytic leukaemia (APL). The current study investigated the role of monocyte chemotactic protein (MCP)-1 in the chemotactic transmigration of ATRA-treated NB4 (ATRA-NB4) APL cells toward A549 alveolar epithelial cells. NB4 and A549 cells were...
Article
A previous report showed that transforming growth factor-beta1 (TGF-beta1) can induce heme oxygenase-1 (HO-1) expression, attenuate cellular injury, and maintain tissue homeostasis. In this study, we investigated the involvement of phosphoinositide-3-OH-kinase (PI3K)/Akt and the nuclear factor-kappaB (NF-kappaB) signaling pathway in TGF-beta1-induc...

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