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José Meneses de Morais Filho,João Nogueira Neto,Lyvia Maria Rodrigues de Sousa Gomes,Izabelle Smith Fraza˜o Ramos,Salie Santos Rodrigues Oliveira,George Castro F. Melo,Lucilene Amorim Silva,Ed Carlos 한국식품영양과학회 2021 Journal of medicinal food Vol.24 No.4
Endometriosis was induced (autotransplant) in Wistar rats. After 21 days, the rats were randomly divided into two groups (16 female rats each). Control group was forced-fed 0.9% sodium chloride solution, and the ginger group was forced-fed 0.5 mg/100 g of Zingiber officinale Roscoe fresh extract, both by gavage, for 14 days, in addition to their normal diet. After that, an anesthetic dose (ketamine/xylazine) was administered until euthanasia. Peritoneal lavage fluid was collected to evaluate tumor necrosis factor (TNF)-α and interleukin (IL)-6, and autotransplant was measured and excised to evaluate histology. The final mean volumes were larger in the control group (120.92 mm3 ± 78.91) than in the ginger group (40.50 mm3 ± 19.57) (P = .01). The endometriosis foci increased in the control group from 45.10 mm3 ± 29.96 at 21 days postimplantation to 120.92 mm3 ± 78.91 on the day of euthanasia (P = .02). In the ginger group, a slight increase was observed from 38.43 mm3 ± 19.96 to 40.50 mm3 ± 19.57, without statistical difference (P = .83). In addition, a greater increase in growth of the endometriosis foci was found when compared with the control (75.81 mm3 ± 58.95) and ginger groups (2.07 mm3 ± 18.87) (P = .004). No difference was found in TNF-α (P = .51) and in IL-6 (P = .12). The degree of lesion atrophy was higher in the ginger group (1 ± 0.92) than in the control group (2.25 ± 1.16) (P = .03). The ginger extract reduced and atrophied autotransplanted endometriosis foci, but did not reduce IL-6 and TNF-α in the peritoneal lavage fluid.
Thomas J. Wilkinson,Emma L. Watson,Noemi Vadaszy,Luke A. Baker,João L. Viana,Alice C. Smith 대한신장학회 2020 Kidney Research and Clinical Practice Vol.39 No.3
Background: Chronic kidney disease (CKD) patients have poor cardiorespiratory fitness. Although cardiopulmonary exercise testing (CPET) is a universal assessment of cardiorespiratory fitness, values taken at ‘peak’ effort are strongly influenced by motivation and the choice of test endpoint. The oxygen uptake efficiency slope (OUES) integrates cardiovascular, musculoskeletal, and respiratory function into a single index to provide a more pragmatic and safer alternative to maximal testing. No research has explored whether exercise can improve the OUES in CKD patients. Methods: Thirty-two patients with non-dialysis CKD were recruited into a 12-week exercise program consisting of mixed aerobic and resistance training three times a week. CPET was conducted at baseline, and then, following a 6-week control period, at pre- and post-exercise intervention. Direct measurements of oxygen consumption (V̇ O2) and ventilatory parameters were collected. The OUES was calculated as the relationship between V̇ O2 and the log10 of minute ventilation (V ̇ E). Results: No changes were observed in any variable during the control period, although modest increases in V ̇ O2peak were observed. No meaningful changes were observed as a result of exercise in any cardiorespiratory value obtained. The OUES calculated at 100%, 90%, 75%, and 50% of exercise duration did not change significantly after 12 weeks of exercise training. Conclusion: Our results show that 12 weeks of exercise training had no beneficial effects on the OUES, which supports the modest change observed in V ̇ O2peak. The lack of change in the OUES and other parameters could indicate a dysfunctional cardiorespiratory response to exercise in patients with CKD, likely mediated by dysfunctional peripheral metabolic mechanisms.
Cervical Deformity: Evaluation, Classification, and Surgical Planning
Ahilan Sivaganesan,Justin S. Smith,Han Jo Kim 대한척추신경외과학회 2020 Neurospine Vol.17 No.4
Cervical deformity is a challenging condition to treat and requires complex decision-making. Apart from a thorough history and physical examination, a thoughtful and quantitative analysis of multiple imaging modalities is critical for understanding the nature and driver of the cervical deformity. A few classification schemes have emerged, and it is now clear that dynamic films are invaluable as they capture the extension reserve that patients can use to compensate for malalignment. These classification systems can help guide surgical planning, because the various subgroups have different properties that lend themselves to specific treatment paradigms. Here we review the clinical and radiographic evaluation, classification, and surgical planning for cervical deformity.
Justin K. Scheer,Justin S. Smith,Peter G. Passias,Han Jo Kim,Shay Bess,Douglas C. Burton,Eric O. Klineberg,Virginie Lafage,Munish Gupta,Christopher P. Ames 대한척추신경외과학회 2023 Neurospine Vol.20 No.3
Objective: The goal of this study was to determine if patients with mild scoliosis and ageappropriate sagittal alignment have favorable outcomes following surgical correction. Methods: Retrospective review of a prospective, multicenter adult spinal deformity database. Inclusion criteria: operative patients age ≥18 years, and preoperative pelvic tilt, mismatch between pelvic incidence and lumbar lordosis (PI–LL), and C7 sagittal vertical axis all within established age-adjusted thresholds with minimum 2-year follow-up. Health-related quality of life (HRQoL) scores: Oswestry Disability Index (ODI), 36-item Short Form health survey (SF-36), Scoliosis Research Society-22R (SRS22R), back/leg pain Numerical Rating Scale and minimum clinically important difference (MCID)/substantial clinical benefit (SCB). Two-year and preoperative HRQoL radiographic data were compared. Patients with mild scoliosis (Mild Scoli, Max coronal Cobb 10°–30°) were compared to those with larger curves (Scoli). Results: One hundred fifty-one patients included from 667 operative patients (82.8% women; average age, 56.4 ± 16.2 years). Forty-two patients (27.8%) included in Mild Scoli group. Mild Scoli group had significantly worse baseline leg pain, ODI, and physical composite scores (p < 0.02). Mean 2-year maximum coronal Cobb angle was significantly improved compared to baseline (p < 0.001). All 2-year HRQoL measures were significantly improved compared to (p < 0.001) except mental composite score, SRS activity and SRS mental for the Mild Scoli group (p > 0.05). From the mild Scoli group, 36%–74% met either MCID or SCB for the HRQoL measures. Sixty-four point three percent had minimum 1 complication, 28.6% had a major complication, 35.7% had reoperation. Conclusion: Mild scoliosis patients with age-appropriate sagittal alignment benefit from surgical correction, decompression, and stabilization at 2 years postoperative despite having a high complication rate.
Tamagno, Elena,Guglielmotto, Michela,Aragno, Manuela,Borghi, Roberta,Autelli, Riccardo,Giliberto, Luca,Muraca, Giuseppe,Danni, Oliviero,Zhu, Xiongwei,Smith, Mark A.,Perry, George,Jo, Dong-Gyu,Mattson, Blackwell Publishing Ltd 2008 Journal of Neurochemistry Vol.104 No.3
<P>Abstract</P><P>Sequential cleavages of the &bgr;-amyloid precursor protein cleaving enzyme 1 (BACE1) by &bgr;-secretase and &ggr;-secretase generate the amyloid &bgr;-peptides, believed to be responsible of synaptic dysfunction and neuronal cell death in Alzheimer’s disease (AD). Levels of BACE1 are increased in vulnerable regions of the AD brain, but the underlying mechanism is unknown. Here we show that oxidative stress (OS) stimulates BACE1 expression by a mechanism requiring &ggr;-secretase activity involving the c-<I>jun</I> N-terminal kinase (JNK)/c-<I>jun</I> pathway. BACE1 levels are increased in response to OS in normal cells, but not in cells lacking presenilins or amyloid precursor protein. Moreover, BACE1 is induced in association with OS in the brains of mice subjected to cerebral ischaemia/reperfusion. The OS-induced BACE1 expression correlates with an activation of JNK and c-<I>jun</I>, but is absent in cultured cells or mice lacking JNK. Our findings suggest a mechanism by which OS induces BACE1 transcription, thereby promoting production of pathological levels of amyloid &bgr; in AD.</P>