Shin Kong Wu Ho Su Memorial HospitalTaipei

Shin, Taiwan

Shin Kong Wu Ho Su Memorial HospitalTaipei

Shin, Taiwan
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Shyong Y.-J.,National Taiwan University | Wang M.-H.,En Chu Kon Hospital | Tseng H.-C.,Shin Kong Wu Ho Su Memorial HospitalTaipei | Cheng C.,National Taiwan University | And 3 more authors.
Journal of Medicinal Chemistry | Year: 2015

An antidepressant carrier was designed to maintain over 2 weeks of constant medication release. The carrier was injected into muscle, where cellular activity was employed to achieve the goal of constant release. Mesoporous hydroxyapatite (mesoHAP) was synthesized into an adequate size by a coprecipitation method; it then went through a series of hydrophobic surface modifications for olanzapine (OLZ) loading by physical absorption to produce mesoHAP-OLZ. Because of its hydrophobic nature, OLZ was not effectively released from mesoHAP-OLZ in an aqueous environment. However, once engulfed by macrophages, the lysosome/endosome hybrid ruptured due to alterations in osmotic pressure, resulting in the release of OLZ into the cytoplasm. OLZ was then exocytosed to the extracellular space due to a high calcium ion (Ca2+) concentration and finally reached the blood circulation. Our findings provide a useful treatment strategy to achieve long-term drug release with a single intramuscular (IM) injection, helping to solve the problem of nonadherent medication intake that often occurs in antidepressant therapy. © 2015 American Chemical Society.

Chang Y.-P.,University of Taipei | Chang Y.-P.,National Taiwan University | Chiang H.,National Taiwan University | Shih K.-S.,Shin Kong Wu Ho Su Memorial HospitalTaipei | And 7 more authors.
Journal of Orthopaedic and Sports Physical Therapy | Year: 2015

STUDY DESIGN: Controlled laboratory study. OBJECTIVES: To measure Achilles tendon microcirculation (total hemoglobin [THb] and oxygen saturation [StO2]) before and after the application of a physical agent in asymptomatic participants, and to compare differences between application location and physical agent dosage. BACKGROUND: Tendon microcirculation can be altered by superficial heating or cryotherapy. METHODS: Fifty-one healthy adults (median age, 22 years; range, 20-34 years) were recruited and randomly assigned into 1 of 4 groups. Participants in each group received an intervention consisting of 1 of the following 4 physical agents: ultrasound (n = 12), interferential current (n = 14), low-level laser (n = 11), or vibration massage (n = 14). In each group, the selected intervention was applied at 2 different doses (ultrasound, 0.8 or 1.2 W/cm2; laser, 5.4 or 18 J) or target locations (vibration and electrostimulation, calf muscle or Achilles tendon). For each participant, each dose or target location was randomly applied to 1 randomly selected lower leg (each leg receiving only 1 of the 2 options). RESULTS: The StO2 values significantly increased after ultrasound at both doses (P<.008), and the THb value significantly increased for the higher dose only (P<.008). Both THb and StO2 values also significantly increased in response to vibration massage targeting the Achilles tendon (P<.008), and these values were greater than those resulting from the vibration massage applied to the calf muscle (P = .003 and .002, respectively). No significant THb and StO2 differences were found after the application of interferential current or low-level laser. CONCLUSION: Tendon microcirculation increases after ultrasound and vibration massage intervention concentrated on the Achilles tendon. These modalities may be considered for the purpose of temporarily increasing microcirculation in the tendon. Copyright ©2015 Journal of Orthopaedic & Sports Physical Therapy®.

Lin S.-S.,Shin Kong Wu Ho Su Memorial HospitalTaipei | Chen Y.-C.,National Chung Hsing University | Chang Y.-L.,National Taiwan University Hospital | Yeh D.Y.-W.,Shin Kong Wu Ho Su Memorial HospitalTaipei | And 3 more authors.
Chinese Journal of Physiology | Year: 2014

Eosinophilic pneumonia (EP) is a disease characterized by prominent infiltration of lung structures by eosinophils. The lung interstitium is infiltrated by eosinophils, and essentially the alveolar spaces are filled with eosinophils and a fibrinous exudate, with conservation of the global architecture of the lung. Diagnosis of EP relies on pathological demonstration of alveolar eosinophilia along with characteristic clinical manifestations of nonproductive cough, dyspnea, chest pain and/or unique imaging features. EP may be categorized according to the origin: EP of undetermined origin may overlap with well-individualized syndromes, while EP with a definite cause is mainly due to infections or drug abuse. Here, we report a case of an amphetamine abuser who developed acute EP and acute respiratory distress syndrome after amphetamine inhalation. Related studies on the pathogenesis of stimulant-related lung injury and treatment strategies are also discussed. © 2014 by The Chinese Physiological Society and Airiti Press Inc.

Jiang J.-S.,Shin Kong Wu Ho Su Memorial HospitalTaipei | Jiang J.-S.,Taipei Medical University Hospital | Chou H.-C.,Taipei Medical University Hospital | Yeh T.-F.,Taipei Medical University Hospital | And 2 more authors.
Pediatrics and Neonatology | Year: 2015

Background Human and animal studies have demonstrated that neonatal hyperoxia increases oxidative stress and adversely affects glomerular and tubular maturity. This study was undertaken to determine how exposure to neonatal hyperoxia affected kidney morphology and fibrosis and to elucidate the relationship between connective tissue growth factor (CTGF) and collagen expression in rat kidneys. Methods Sprague-Dawley rat pups were exposed to either hyperoxia or ambient air. The control groups were maintained in ambient air for 1 week and 3 weeks. The hyperoxia groups were exposed to >95% O2 for 1 week and subsequently placed in an environment of 60% O2 for an additional 2 weeks. The animals were euthanized on Postnatal Day 7 or 21 and the kidneys underwent histological analyses and oxidative stress and total collagen measurements. Results The rats reared in O2-enriched air exhibited significantly higher tubular injury scores (1.4 ± 0.5 vs. 0.7 ± 0.7 on Day 7; 1.4 ± 0.5 vs. 0.6 ± 0.5 on Day 21), a larger proportion of the cortex occupied by glomeruli (25.5 ± 4.1 vs. 21.3 ± 3.1% on Day 7; 20.1 ± 3.5 vs. 17.1 ± 1.7% on Day 21), larger glomerular sizes (84.7 ± 5.8 vs. 77.5 ± 6.1 μm on Day 7; 88.4 ± 2.9 vs. 84.9 ± 3.1 μm on Day 21), and higher total collagen content (54.1 ± 27.5 vs. 18.3 ± 6.3 μg/mg protein on Day 7; 397.4 ± 32.8 vs. 289.5 ± 80.0 μg/mg protein on Day 21) than did rats reared in ambient air. Immunohistochemical expressions of oxidative stress marker 8-hydroxy-2′-deoxyguanosine and CTGF immunoreactivities were significantly higher in the rats reared in O2-enriched air compared with the rats reared in ambient air on Postnatal Days 7 and 21. Conclusion Neonatal hyperoxia exposure contributes to kidney fibrosis, which is probably caused by activated CTGF expression. Copyright © 2014, Taiwan Pediatric Association.

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