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Acute peritonitis caused by the acute pancreatitis of an ectopic pancreas in a jejunal duplication, in an adult with intestinal malrotation: a case report. Surg Case Rep 2023; 9:150. [PMID: 37638994 PMCID: PMC10462583 DOI: 10.1186/s40792-023-01736-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/21/2023] [Indexed: 08/29/2023] Open
Abstract
BACKGROUND Intestinal duplication and ectopic pancreas are two rare independent congenital anomalies. Few reports describe cases of patients with ectopic pancreas in an intestinal duplication causing acute peritonitis. CASE PRESENTATION A 31-year-old man was admitted to the hospital for epigastric pain. The patient was diagnosed with acute peritonitis caused by the acute pancreatitis of an ectopic pancreas in a jejunal duplication, with intestinal malrotation. The patient underwent the partial resection of the jejunum and Ladd's procedure. The histopathological findings indicated ectopic pancreatitis in the jejunal duplication. CONCLUSIONS We presented the case of acute peritonitis caused by the acute pancreatitis of an ectopic pancreas in a jejunal duplication in an adult with intestinal malrotation. Surgery is the primary treatment and is necessary for a definitive diagnosis.
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Correction: Giant splenic artery aneurysm rupture into the stomach that was successfully managed with emergency distal pancreatectomy. Surg Case Rep 2022; 8:216. [PMID: 36477421 PMCID: PMC9729469 DOI: 10.1186/s40792-022-01577-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Giant splenic artery aneurysm rupture into the stomach that was successfully managed with emergency distal pancreatectomy. Surg Case Rep 2022; 8:148. [PMID: 35915344 PMCID: PMC9343537 DOI: 10.1186/s40792-022-01498-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 07/16/2022] [Indexed: 11/21/2022] Open
Abstract
Background Splenic artery aneurysms usually rupture into the free peritoneal space and rarely into the gastrointestinal tract. We report the case of a patient with a giant splenic artery aneurysm that ruptured in to the stomach with hemorrhagic shock and was successfully treated with emergency surgery. Case presentation A 59-year-old man presented to the emergency department with chest pain and syncope. Contrast-enhanced computed tomography showed splenic artery aneurysm with active contrast extravasation. He developed upper gastrointestinal (UGI) bleeding and hypovolemic shock. We diagnosed a splenic artery aneurysm ruptured in to the stomach, performed emergency distal splenopancreatectomy including the aneurysm and partial gastric resection, and could prevent patient death. Conclusions This report shows that splenic artery aneurysm can cause UGI bleeding. Thus, clinicians should be alert about this condition when managing patients with UGI bleeding and/or splenic artery aneurysm.
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Serrated polyposis syndrome with multiple inverted lesions in the colon: Case report and elucidation of morphogenetic mechanism. DEN OPEN 2022; 2:e13. [PMID: 35310715 PMCID: PMC8828188 DOI: 10.1002/deo2.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/17/2021] [Accepted: 03/24/2021] [Indexed: 11/16/2022]
Abstract
A 70‐year‐old man underwent surveillance colonoscopy following surgery for occlusive sigmoid colon cancer. The procedure revealed nine sessile serrated lesions (SSLs), including three inverted lesions. Endoscopic and surgical resections were performed. All nine lesions were confirmed pathologically as SSL, and the patient was diagnosed with serrated polyposis syndrome (SPS). Three inverted SSLs (iSSLs) showed endophytic growth without epithelial misplacement. Crypt analysis revealed that iSSL crypts were wider at the bottom than the opening, roughly resembling a frustoconical shape. Our results suggest that a horizontal arrangement of frustoconical crypts leads to hemispherical deformation of the muscularis mucosa, forming an inverted shape. This is the first report to reveal the morphogenesis of iSSLs from the shape of the crypt.
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Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm. PHYSICAL REVIEW LETTERS 2021; 126:141801. [PMID: 33891447 DOI: 10.1103/physrevlett.126.141801] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
We present the first results of the Fermilab National Accelerator Laboratory (FNAL) Muon g-2 Experiment for the positive muon magnetic anomaly a_{μ}≡(g_{μ}-2)/2. The anomaly is determined from the precision measurements of two angular frequencies. Intensity variation of high-energy positrons from muon decays directly encodes the difference frequency ω_{a} between the spin-precession and cyclotron frequencies for polarized muons in a magnetic storage ring. The storage ring magnetic field is measured using nuclear magnetic resonance probes calibrated in terms of the equivalent proton spin precession frequency ω[over ˜]_{p}^{'} in a spherical water sample at 34.7 °C. The ratio ω_{a}/ω[over ˜]_{p}^{'}, together with known fundamental constants, determines a_{μ}(FNAL)=116 592 040(54)×10^{-11} (0.46 ppm). The result is 3.3 standard deviations greater than the standard model prediction and is in excellent agreement with the previous Brookhaven National Laboratory (BNL) E821 measurement. After combination with previous measurements of both μ^{+} and μ^{-}, the new experimental average of a_{μ}(Exp)=116 592 061(41)×10^{-11} (0.35 ppm) increases the tension between experiment and theory to 4.2 standard deviations.
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[Two Cases of Stage Ⅳ Occult Breast Cancer]. Gan To Kagaku Ryoho 2020; 47:537-539. [PMID: 32381941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The first case is a 62-year-old female who complained of painful left axillary lymph node swelling. Six months later, a CT scan revealed multiple lung nodules. Biopsies of the axillary lymph node and lung showed metastatic carcinoma from breast cancer. However, no breast tumor was found. She was diagnosed with occult breast cancer with metastasis to the axillary lymph node and lung. ER(+), PgR(±), HER2(1+). Letrozole was administered, and effective control was achieved for 20 months. The second case is a 62-year-old female who presented with back pain. A CT scan revealed left axillary lymph node swelling and multiple osteolytic changes in the thoracolumbar spine and rib. Biopsies of the axillary lymph node and thoracic spine showed metastatic carcinoma from breast cancer. However, no breast tumor was found. She was diagnosed with occult breast cancer with metastasis to the axillary lymph nodule and bone. ER(+), PgR(+), HER2(1+). Fulvestrant and denosumab were administered. However, after 6 months, she discontinued the treatment. Our results suggested that effective control could be achieved through systemic therapy and local therapy was not necessary for Stage Ⅳ occult breast cancer.
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[A Case of Long-Term Survival after Para-Aortic Lymph Node Recurrence Following the Curative Resection of Gastric Cancer Treated Using Multimodality Therapy Including Salvage Surgery]. Gan To Kagaku Ryoho 2019; 46:2072-2074. [PMID: 32157063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This case was observed in a man in his 70s. Although symptomatic treatment was performed for epigastralgia, endoscopic examination revealed a type 3 tumor on the fornix of the stomach to the lesser curvature of the body just above the esophagogastric junction, and the patient was diagnosed with moderately differentiated tubular adenocarcinoma(cT4bN3aM0, cStage ⅣA). As esophageal and diaphragmatic invasion was suspected based on CT findings, S-1 plus CDDP was started as preoperative chemotherapy. Although the primary lesion and lymph node metastasis decreased in size, chemotherapy was discontinued after one course due to stenosis symptoms, and total gastrectomy and D2 dissection were performed. Postoperative adjuvant chemotherapy with S-1 was started. However, 6 months after starting the treatment, para-aortic lymph node recurrence was observed, and the treatment strategy was changed to weekly PTX. After 5 courses of weekly PTX, the lymph nodes continued to increase in size, and chemotherapy was discontinued per the patient's request. The patient was followed up with CT and PET-CT; however, no new recurrent lesions were found in other sites for approximately 1 year. Therefore, para-aortic lymph node dissection was performed as the salvage surgery. Pathological findings showed that gastric cancer metastasis was present in 1 swollen lymph node only, as confirmed by PET. At present, 6 years have passed since the first operation, and there has been no recurrence. In general, para-aortic lymph node metastasis is considered to result in poor prognosis in gastric cancer. However, in the absence of other noncurative factors, a good prognosis may be obtained with combined therapeutic modalities.
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[A Case of Breast Metastasis of Gastric Cancer after an Eight Year Latency Period]. Gan To Kagaku Ryoho 2019; 46:154-156. [PMID: 30765672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A 66-year-old woman underwent distal gastrectomy because of gastric cancer(stage ⅠB)and received no adjuvant chemotherapy. Eight years after the operation, computed tomography showed a small nodule in the right breast. Mammography did not reveal any abnormalities. Ultrasound sonography showed a diffuse and gradual non-mass-like low echoic lesion. Core needle biopsy indicated a malignancy. Partial resection of the right breast was performed to obtain a diagnosis. On postoperative histopathological examination, signet-ring cells were found in the tumor, and immunohistochemical analysis showed that both the breast tumor and the gastric carcinoma were MUC5AC-positive and MUC1-negative. We diagnosed this breast tumor as metastasis from gastric cancer. The patient has received chemotherapy with no subsequent metastatic tumors, and good control has been achieved for 21 months after the detection of the breast metastasis.
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P5435The instruction of sodium restriction by presented concrete objective of action and estimated sodium intake. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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[A Case of Primary Spinddle Cell Carcinoma of the Breast]. Gan To Kagaku Ryoho 2018; 45:498-500. [PMID: 29650917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A 76-year-old female underwent breast-conserving surgery of the right breast and sentinel lymph node biopsy for primary breast cancer. Three years later, mammography and ultrasonography showed a small nodule in the right breast. There was nothing abnormal in the left breast. Three months later, she complained of a huge and rapid growing mass in the left breast. Malignant cells were obtained on fine needle aspiration biopsy in the right breast tumor. But it was not possible to diagnose whether the left breast tumor was benign or malignant on fine needle aspiration biopsy and needle biopsy. Bilateral mastectomy and sentinel lymph node biopsy of the right side were performed. Pathological diagnosis were squamous cell carcinoma of the right breast and spindle cell carcinoma of the left breast. Although the patient was treated with adjuvant chemotherapy, she had an early relapse with pleural, lung and bone metastases. The patient died approximately 8 months after operation. Spindle cell carcinoma presents many problems about therapy and prognosis. Further accumulation analysis is necessary.
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Diminished abductor muscular strength in patients with valgus-impacted femoral neck fractures treated by internal fixation: Clinical study and biomechanical considerations. J Orthop Surg (Hong Kong) 2018. [PMID: 28639532 DOI: 10.1177/2309499017716070] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Valgus-impacted femoral neck fractures treated with internal fixation occasionally result in unsatisfactory postoperative locomotive function, partially due to muscle shortening and a decrease in the moment arm. This study quantifies the degree of diminished abduction strength both clinically and biomechanically. METHODS Fifteen patients were enrolled in this study. Twelve patients with fracture healed in valgus-impacted position were further evaluated. Muscular strength around hip was examined, and values between the nonoperated and operated side were compared and analyzed. For the biomechanical study, two three-dimensional models were prepared: model I (control model without displacement) and model II (simulated malunion of a 15° valgus-impacted fracture). Two sets of hip flexion angles in each of the models were simulated with flexion angles of 0° and 23°. RESULTS Mean and standard deviation values for muscle strength from the nonoperative/operative side among the valgus group are as follows: flexion strength was 9.2 ± 4.0/9.2 ± 3.2, extension strength was 5.8 ± 2.8/6.1 ± 3.2, abduction strength at 0° was 9.1 ± 3.7/7.4 ± 3.6, abduction strength at 10° was 6.7 ± 3.0/5.5 ± 2.2, and knee extension strength was 15.3 ± 6.2/15.1 ± 6.0 (kgf). When comparing values between the nonoperative and operative sides, statistical significance was only observed in abduction strength ( p < 0.01). The biomechanical models prove that valgus impaction decreases the moment arm by approximately 10% at both flexion angle. CONCLUSIONS A significant decrease in abductor strength at 0° and 10° was observed in the valgus-healed group. This may be related to a decrease in the moment arm. Further research should be done to define the acceptable limit of deformity for the satisfactory postoperative functioning.
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Comparison of Post-Operative Muscular Strength Between Gamma Nailing and Hemiarthroplasty System in Femoral Intertrochanteric Fractures. Open Orthop J 2017; 11:255-262. [PMID: 28567153 PMCID: PMC5420168 DOI: 10.2174/1874325001711010255] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 02/25/2017] [Accepted: 02/27/2017] [Indexed: 11/22/2022] Open
Abstract
Background: The current study focuses on the comparison of postoperative muscular strength around the hip joint of patients with femoral intertrochanteric fractures treated either by cephalo-medullary (CM) nailing or a new bipolar hip prosthesis (BHP), an especially attached device to secure displaced greater trochanteric fragment. Methods: Twenty patients treated with CM nailing were age- and sex- matched with a control group of 20 patients treated with BHP. Maximum isometric forces at the bilateral hip joint were measured during the follow up period. Means of 3 measurements were represented. Results: The mean and standard deviation values (kg) of muscle strength at the non-operative/ operative side in the CM nailing group were as follows: flexion strength 9.5±4.7/8.5±4.9 (P=0.06), extension strength 6.2±3.5/5.5±3.7 (P=0.08), abduction strength at 0 degrees 7.7±3.5/6.2±2.8 (p=0.002), abduction strength at 10 degrees 5.5±2.0/4.2±2.0 (p=0.001). In the BHP group, mean and standard deviation values of muscle strength at the non-operative/ operative side were as follows: flexion strength 6.5±2.8/6.0±3.4 (P=0.08), extension strength 4.4±0.9/4.4±0.6 (P=0.83), abduction strength at 0 degrees 5.1±1.9/5.0±1.6 (p=0.12), and that at 10 degrees 4.7±1.4/4.6±1.3 (p=0.10). Conclusion: Our results demonstrate that CM nailing may cause a 25-30% decrease in postoperative muscle strength around the hip joint, particularly during hip abduction. With the new BHP, greater trochanter reduction is achieved allowing early weight bearing and maintaining strength in abduction. Surgeons should consider postoperative muscular strength as one of the necessary factors for selection of the appropriate surgical procedure. Level of Evidence: Therapeutic Level III.
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Abstract
OBJECTIVE Injections of human placental extract, which is known to play a role in skin regulation, have long been used for the treatment of skin wrinkles and non-healing wounds. Porcine placental extract (PPE), an oral supplement, was recently developed for this purpose. The aim of this study was to assess whether PPE has a positive effect on the improvement of fine wrinkles below the eye in climacteric women. METHODS We first non-invasively measured wrinkle widths with a skin analyzer in a cross-section of 185 healthy adult Japanese women. Next, 44 climacteric women with mild or few climacteric symptoms were enrolled into an open-label, randomized, controlled study of the effect of PPE on wrinkle widths. A retrospective comparison of wrinkle widths in 123 climacteric women with climacteric symptoms with or without PPE treatment was also performed. RESULTS Wrinkle widths below the eye in women ≥ 30 years of age were significantly higher than in women 20-29 years of age. Treatment with three capsules of PPE per day was significantly (p < 0.05) effective in reducing wrinkle widths at 24 weeks compared with control subjects. Retrospective analysis showed that subjects treated with three (p < 0.05) and six (p < 0.01) capsules of PPE per day observed a significant reduction in wrinkle widths compared with untreated subjects. CONCLUSION Oral PPE treatment is a possible option for improving the appearance of fine wrinkles below the eye in climacteric women.
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Abstract
OBJECTIVES Some of the most common climacteric symptoms are somatic symptoms, such as muscle and joint pain, which cause limitations in performing daily tasks. This study aimed to assess whether oral porcine placental extract (PPE) affects patients with shoulder stiffness, one of the most common types of muscle-tendon stiffness, in climacteric women and postmenopausal women with hormone therapy (HT). METHODS Sixty-six climacteric women (33 each in the control and study groups) with shoulder stiffness and 54 postmenopausal women (27 each in the control and study groups) with HT-resistant shoulder stiffness were enrolled into this open-label, randomized, controlled study. The control subjects received Toki-shakuyaku-san (TJ23; 7.5 g/day, daily per os), an oral herbal remedy used to alleviate climacteric symptoms, and study subjects received PPE orally for 24 weeks in climacteric women and for 12 weeks in postmenopausal women with HT. Changes in the degree of shoulder stiffness were evaluated by the Visual Analog Scale (VAS). RESULTS Treatment with PPE was significantly effective in reducing the VAS score for shoulder stiffness during the study period compared with the control group in both climacteric and postmenopausal women with HT. The VAS score at the end of treatment was significantly reduced (p < 0.01 vs. baseline) by 76.4% for climacteric women and 64.8% for postmenopausal women with HT compared with baseline. CONCLUSIONS PPE is useful as an oral supplement for shoulder stiffness in climacteric women without HT or in postmenopausal women with HT-resistant, long-term shoulder stiffness.
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Efficacy of porcine placental extract on climacteric symptoms in peri- and postmenopausal women. Climacteric 2012; 16:28-35. [PMID: 22920723 DOI: 10.3109/13697137.2012.696290] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVES Injections of human placental extract have long been used to treat menopausal symptoms. Recently, porcine placental extract (PPE), an oral supplement, has been developed for this purpose. The aim of this study was to assess whether PPE has an impact on climacteric symptoms in perimenopausal and postmenopausal women. METHODS Seventy-six women with climacteric symptoms were enrolled into this open-label, randomized, controlled study. The control group (n = 38) underwent 24 weeks of open treatment with Toki-shakuyaku-san (TJ23), an oral herbal remedy used to alleviate climacteric symptoms. The PPE group (n = 38) received three capsules of PPE/day orally for the initial 12 weeks and six capsules/day for the next 12 weeks. Climacteric symptoms were evaluated in both groups using the Simplified Menopausal Index (SMI) score, Zung's Self-Rating Depression Scale (ZSDS) and the Spielberger State-Trait Anxiety Inventory (STAI) before commencing treatment, after 12 weeks of treatment and on completion of treatment. RESULTS Treatment with PPE was significantly (p < 0.01) more effective in reducing the SMI, ZSDS and STAI measures at 12 and 24 weeks than TJ23 treatment alone. Treatment with PPE was also significantly effective (p < 0.01) in reducing the subscale scores of the SMI for items such as hot flushes, insomnia, irritability, depression, fatigue and joint pain. PPE treatment had no significant adverse effects. CONCLUSION Oral PPE treatment is another possible option for treating perimenopausal and postmenopausal women with climacteric symptoms.
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Efficacy of porcine placental extracts with hormone therapy for postmenopausal women with knee pain. Climacteric 2011; 15:30-5. [PMID: 22066827 DOI: 10.3109/13697137.2011.590616] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Knee pain related to osteoarthritis increases with age and is more common in middle-aged women. Although hormone replacement therapy (HRT) improves knee pain, women unresponsive to HRT need an effective adjunctive therapy. The aim of this study was to assess whether oral porcine placental extracts (PPE) have an impact on patients with knee pain as an adjunctive therapy combined with HRT. METHODS Forty-eight postmenopausal women with knee pain receiving HRT were enrolled into this open-label, randomized, controlled study. Subjects were randomized into Group 1 (n= 24) or Group 2 (n=24). Subjects in Group 1 were given 3 months open treatment with calcium (260 mg/day) as adjunctive therapy combined with HRT. Group 2 received PPE (9 capsules/day) as adjunctive therapy combined with HRT. Changes in the degree of knee pain were evaluated by the Visual Analog Scale (VAS). RESULTS Treatment with PPE was significantly effective in reducing the VAS score for knee pain at 4 weeks (p < 0.05), at 8 weeks (p< 0.01) and at 12 weeks (p<0.01), compared with the control group. Interestingly, the effects continued for 4 weeks after cessation of treatment in the PPE group (p< 0.01) compared with the control group. The PPE treatment had no significant adverse effects on blood biochemical and metabolic profiles, especially related to the risk factors for cardiovascular disease. CONCLUSION PPE is a possible option as an adjunctive oral supplement in the case of HRT-resistant, long-lasting knee pain.
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Subtilisin-like proprotein convertase PACE4 is required for skeletal muscle differentiation. J Biochem 2009; 146:407-15. [PMID: 19520771 DOI: 10.1093/jb/mvp090] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Most growth factors stimulate myoblast proliferation and prevent differentiation, whereas insulin-like growth factors (IGFs) promote myoblast differentiation through the phosphatidylinositol 3-kinase (PI3K) pathway. Subtilisin-like proprotein convertases (SPCs) are involved in cell growth and differentiation via activation of pro-growth factors. However, the role of SPCs in myogenesis remains poorly understood. Here we show that PACE4, a member of the SPC family, plays a critical role in myogenic differentiation of C2C12 cells. PACE4 mRNA levels increased markedly during myogenesis, whereas the expression of other member of SPC family, furin and PC6, remained unchanged. The expression pattern of pro-IGF-II, which is processed extracellularly by SPCs, was similar to that of PACE4. The expression of shRNA targeting PACE4, but not furin, suppressed the expression of the muscle-specific myosin light chain (MLC). Interestingly, reduced expression of MLC was restored following treatment with recombinant mature IGF-II. Finally, we demonstrated that the PI3K inhibitor LY294002 blocked the induction of PACE4 mRNA, a result not observed when another myogenic differentiation inhibitor, SB203580 (p38 MAP kinase inhibitor), was employed, indicating the presence of a positive feedback loop regulating PACE4 expression. These results suggest that PACE4 plays an important role in myogenic differentiation through its association with the IGF-II pathway.
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Paxillin: application of immunohistochemistry to the diagnosis of chromophobe renal cell carcinoma and oncocytoma. Appl Immunohistochem Mol Morphol 2001; 9:315-8. [PMID: 11759057 DOI: 10.1097/00129039-200112000-00005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Paxillin is a cytoskeletal protein that was recently identified as a component of focal adhesions and links between F-actin and integrin. In this study, 91 renal tumors--65 conventional renal cell carcinomas (RCCs), 14 papillary RCCs, 6 chromophobe RCCs, 4 collecting duct carcinomas, 2 oncocytomas--were investigated for the immunohistochemical expression of paxillin. In a normal kidney, paxillin was predominantly expressed in the cytoplasm of distal tubules, loops of Henle, collecting ducts, and vascular smooth muscle cells. In all of the chromophobe RCCs and oncocytomas, strong expression of paxillin was observed in the tumor cytoplasm. In contrast to these tumors, conventional RCCs, papillary RCCs, and collecting duct carcinomas showed negative reactions for paxillin except for one case in each subgroup with weak reactivity. An immunoblot analysis confirmed the presence of paxillin in healthy kidney, chromophobe RCC, and oncocytoma. These data suggest that paxillin possibly plays a role in signal transductions as a focal adhesion intervening between tumor cells and the extracellular matrix in renal tumors with collecting duct phenotypes such as chromophobe RCCs and oncocytomas, but not in conventional RCCs. In addition, paxillin may be an available marker in distinguishing chromophobe RCCs from conventional or papillary RCCs.
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Treatment with low-dose interferon-alpha restores the balance between matrix metalloproteinase-9 and E-cadherin expression in human transitional cell carcinoma of the bladder. Clin Cancer Res 2001; 7:2840-53. [PMID: 11555602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Tumor invasion and metastasis are regulated by the expression of genes such as E-cadherin, which regulates cell adhesion, and matrix metalloproteinase-9 (MMP-9), which alters the integrity of the extracellular matrix. Both up-regulation of MMP-9 and down-regulation of E-cadherin correlate with bladder cancer metastasis. The purpose of this study was first to determine whether an imbalance between MMP-9 and E-cadherin expression correlates with metastasis from human transitional cell carcinoma (TCC) of the bladder after therapy with neoadjuvant chemotherapy and radical cystectomy and then to determine whether treatment of human TCC xenografts growing in nude mice with interferon (IFN)-alpha would restore this balance, thereby limiting tumor invasion and metastasis. We used in situ hybridization to evaluate the expression of several metastasis-related genes, including MMP-9 and E-cadherin, in paraffin-embedded biopsy specimens from 55 patients with muscle-invasive TCC treated with neoadjuvant methotrexate, vinblastine, doxorubicin, and cisplatin chemotherapy and radical cystectomy. By multivariate analysis, an MMP-9:E-cadherin ratio of >1.8 was an independent prognostic factor for disease progression. In vitro incubation of an IFN-resistant, highly metastatic human TCC cell line, 253J B-V(R) with noncytostatic concentrations of IFN-alpha down-regulated the activity of MMP-9, up-regulated E-cadherin, and inhibited in vitro invasion. 253J B-V(R) cells were implanted into the bladders of athymic nude mice. Systemic therapy with IFN-alpha (10,000 units s.c. daily) decreased the expression of MMP-9, increased expression of E-cadherin, reduced tumor volume, and inhibited metastasis. The MMP-9:E-cadherin ratio was 4.5 in untreated controls and 1.1 after IFN-alpha treatment. Moreover, systemic low-dose daily IFN-alpha potentiated the efficacy of paclitaxel. These studies indicate that in addition to its antiproliferative and antiangiogenic effects, IFN-alpha limits tumor invasion by restoring the normal balance between MMP-9 and E-cadherin and enhances the activity of systemic chemotherapy.
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MESH Headings
- Adult
- Aged
- Animals
- Antineoplastic Agents, Phytogenic/therapeutic use
- Biopsy
- Blood Vessels/drug effects
- Blood Vessels/pathology
- Blotting, Northern
- Cadherins/analysis
- Cadherins/genetics
- Carcinoma, Transitional Cell/drug therapy
- Carcinoma, Transitional Cell/genetics
- Carcinoma, Transitional Cell/metabolism
- Cell Movement/drug effects
- Collagen
- Collagenases/drug effects
- Collagenases/metabolism
- Dose-Response Relationship, Drug
- Drug Combinations
- Drug Synergism
- Endothelial Growth Factors/genetics
- Female
- Fibroblast Growth Factor 2/genetics
- Follow-Up Studies
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- In Situ Hybridization
- Interferon-alpha/therapeutic use
- Interleukin-8/genetics
- Laminin
- Lymphokines/genetics
- Male
- Matrix Metalloproteinase 9/analysis
- Matrix Metalloproteinase 9/genetics
- Mice
- Mice, Inbred BALB C
- Mice, Nude
- Middle Aged
- Neoplasm Invasiveness
- Neoplasm Metastasis/pathology
- Neoplasm Metastasis/prevention & control
- Neoplasm Staging
- Neovascularization, Pathologic/prevention & control
- Paclitaxel/therapeutic use
- Prognosis
- Proteoglycans
- RNA, Messenger/drug effects
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Tumor Cells, Cultured
- Urinary Bladder/chemistry
- Urinary Bladder/metabolism
- Urinary Bladder/pathology
- Urinary Bladder Neoplasms/drug therapy
- Urinary Bladder Neoplasms/genetics
- Urinary Bladder Neoplasms/metabolism
- Vascular Endothelial Growth Factor A
- Vascular Endothelial Growth Factors
- Xenograft Model Antitumor Assays
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The prognostic value of angiogenesis factor expression for predicting recurrence and metastasis of bladder cancer after neoadjuvant chemotherapy and radical cystectomy. Clin Cancer Res 2000; 6:4866-73. [PMID: 11156246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
To determine the prognostic value of angiogenesis factor expression for patients with muscle-invasive transitional cell carcinoma (TCC) of the bladder treated with neoadjuvant methotrexate, vinblastine, doxorubicin, and cisplatin (M-VAC) chemotherapy and radical cystectomy, we evaluated the expression of basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGF), and interleukin 8 (IL-8) by in situ hybridization, and we determined microvessel density (MVD) by immunohistochemistry. These factors were evaluated in 55 biopsy specimens prior to therapy and in the cystectomy specimens of 51 patients after completion of therapy. By univariate analysis, VEGF expression and MVD in the biopsy specimens were significant predictors of disease recurrence. By multivariate analysis, only VEGF expression was an independent prognostic factor. Pathological stage, bFGF expression, and MVD in the cystectomy specimens after therapy were all independent prognostic factors for disease recurrence. The results of this exploratory study indicate that the expression levels of VEGF and bFGF as indicated by in situ hybridization and MVD as indicated by immunohistochemistry identify patients with muscle-invasive TCC who are at high risk of developing metastasis after aggressive therapy with systemic M-VAC chemotherapy and radical cystectomy.
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Vinculin: its possible use as a marker of normal collecting ducts and renal neoplasms with collecting duct system phenotype. Mod Pathol 2000; 13:1109-14. [PMID: 11048805 DOI: 10.1038/modpathol.3880205] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Vinculin is a cytoskeletal protein associated with membrane actin-filament-attachment sites of cell-cell and cell-matrix adherens-type junctions. In this article, we examine the expression of vinculin to elucidate its role in human renal neoplasms. We reviewed surgically resected specimens and selected available tissue from 79 renal tumors in 78 patients. There were 55 men and 23 women. Their mean age was 61 years and the mean size of the renal tumors was 6.1 cm. All renal tumors were examined by immunohistochemistry using a monoclonal antibody against vinculin. Overall, 17 (21.5%) renal tumor samples reacted with vinculin. The positive ratio in various types of renal tumors was as follows: conventional-type (clear cell), 0/54; papillary-type, 5/12; chromophobe-type, 5/5; sarcomatoid-type, 3/4; collecting duct carcinoma, 3/3; and oncocytoma, 1/1. The positive rate of conventional-type renal cell carcinomas (RCCs) is significantly different from that of other renal tumors (P < .01). Normal kidney, conventional, and papillary-type RCCs exhibited positive signals in Western blot analysis. These results suggest that vinculin may serve as a useful marker of renal neoplasms with collecting duct system phenotype such as chromophobe-type RCC.
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22
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Numerical chromosomal changes in metastatic prostate cancer following anti-androgen therapy: fluorescence in situ hybridization analysis of 5 Japanese cases. CANCER GENETICS AND CYTOGENETICS 2000; 120:148-54. [PMID: 10942807 DOI: 10.1016/s0165-4608(00)00208-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We used fluorescence in situ hybridization with centromere-specific probes for chromosomes 7, 8, 10, and Y to determine the copy number of these chromosomes in metastatic prostate cancers of five Japanese cases. Freshly prepared samples were obtained from prostate needle biopsies at different phases of clinical treatment; pretreatment, 1 week, 4 weeks, 12 weeks, 24 weeks post-treatment (PT), and clinical relapse. Gain of chromosomes 7 and 8, as noted in pretreatment samples; however, in post-treatment specimens (four of five cases), a remarkable reduction in the number of cells with extra copies of these chromosomes was detected. This decrease in the number of cells with additional chromosome 7 and 8 signals was correlated with the clinicohistopathological findings until 4 weeks PT. Chromosomes Y and 10 did not show numerical aberrations before treatment or changes in cells with aneusomy after treatment in all five cases. Our results suggest that gains of chromosomes 7 and 8 correlate with high grade and stage, and that changes in the cell number with aneusomy of chromosomes 7 and 8 reflect the clinical effects of anti-androgen therapy at an early phase, which may also indicate the androgen dependency of prostate cancer cells.
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23
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Sporadic bilateral papillary renal carcinoma exhibiting C-met mutation in the left kidney tumor. J Urol 2000; 163:1241-2. [PMID: 10737508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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24
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Overexpression of c-met proto-oncogene associated with chromophilic renal cell carcinoma with papillary growth. Virchows Arch 1998; 433:511-5. [PMID: 9870683 DOI: 10.1007/s004280050282] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Various genetic changes are involved in human renal cell carcinomas (RCCs). However, the molecular events related to other cytomorphological subtypes of RCC are not well known, apart from the relationship between the von Hippel-Lindau tumour suppressor gene and clear cell subtype RCC. We examined the overexpression of several growth factor receptors immunohistochemically and analyzed their relationship to the cytomorphological characters in 120 cases of RCCs. These receptors included c-met proto-oncogene product (c-MET), epidermal growth factor receptor (EGFR) and transforming growth factor beta receptor II (TGFbetaR). The overexpression of c-MET was detected in all cases (20/20) of the tubulo-papillary growth type and 78.3% (18/23) of chromophilic cell subtype, resulting in a very significant associations between c-MET overexpression and tubulo-papillary growth RCCs (P<0.0001), c-MET and chromophilic subtype RCCs (P<0.0001), and c-MET and EGFR (P<0.0001). EGFR overexpression was significantly associated with the compact growth RCCs (49/89, P<0.0001), clear cell subtype RCCs (P<0.005) and the overexpression of TGFbetaR (P<0.0001). These results strongly suggest a close correlation between the overexpression of c-MET and development of the chromophilic subtype of RCC with papillary growth pattern. EGFR expression is closely related to the pathogenesis of the clear cell subtype of RCC with compact growth pattern. The overexpression of c-MET, EGFR, and TGFbetaR may have roles that are individually significant in the morphogenesis of RCC.
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25
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Determination of the prognostic significance of unscheduled cyclin A overexpression in patients with esophageal squamous cell carcinoma. Clin Cancer Res 1996; 2:1781-5. [PMID: 9816130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
The expression of cyclin A protein was retrospectively investigated in 124 patients with human esophageal squamous cell carcinoma with immunohistochemical techniques using antibody to cyclin A protein (BF683). Of 124 tumors, 49 (39.5%) exhibited positive staining in cancer cells with this antibody. Staining was observed predominantly but not exclusively in the nucleus. A significantly higher degree of association of immunoreactivity with this antibody was detected for advanced types of tumors (stages I, II, III, and IV) than for early tumors (stage 0; P < 0.05). Patients with cyclin A immunopositivity had a significantly poorer survival rate than did other patients (P < 0.01). These findings provide the first evidence for frequent and unscheduled overexpression of cyclin A protein in human esophageal cancer and suggest the possibility that alteration of cyclin A overexpression is associated with tumor progression and patient prognosis for esophageal cancers.
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26
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Top quark search with the D0 1992-1993 data sample. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1995; 52:4877-4919. [PMID: 10019713 DOI: 10.1103/physrevd.52.4877] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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27
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[Gamma Glutamyltransferase]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 1995; 53:1162-7. [PMID: 7602773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Gamma-Glutamyltransferase (GGT), formerly called gamma-glutamyltranspeptidase, is predominantly a membrane-bound enzyme. The estimation of enzyme activity in serum is useful in monitoring hepatobiliary complaints. The electrophoresis with surfactant (Triton X-100) developed by the authors demonstrates five distinct bands of enzyme activity in the serum from patients with hepatitis. These bands are called isoenzyme GGT1 to 5 from anode to cathode, respectively. Four isoenzymes GGT2 to 5, except GGT1 are demonstrated in normal adult serum. The affinity electrophoresis is more variable to identify the hepatoma associated isoenzyme, namely HA-GGT. Concanavalin A used in the method has no affinity with HA-GGT and this isoenzyme is separated from GGT2. The diagnostic sensitivity and specificity for the measurement of HA-GGT were 58% and 83%, respectively.
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Separation of hepatoma-associated gamma-glutamyltransferase isoenzyme on cellulose acetate media with Triton X-100 and concanavalin A. Clin Chim Acta 1989; 185:317-23. [PMID: 2575935 DOI: 10.1016/0009-8981(89)90222-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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29
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Test-strip method for measuring lactate in whole blood. Clin Chem 1989; 35:1992-4. [PMID: 2776334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
We have developed a dry reagent strip system for measuring lactate in whole blood. The test strip contains lactate oxidase (no EC number assigned), horseradish peroxidase (EC 1.11.1.7), and N-ethyl-N-(2-hydroxy-3-sulfopropyl)-m-toluidine. The system is designed to measure with a reflectometer the color that developed in the test strip, although the lactate concentration can be estimated without the reflectometer. The between-run coefficients of variation for controls at three concentrations were 2.9-5.3%. The lactate concentrations in blood samples from healthy subjects before and after exercise correlated well (r = 0.97) with the results measured by the comparison method with the use of lactate oxidase. This dry reagent strip system provides a convenient and rapid test for measuring blood lactate in clinical and sports medicine.
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Abstract
Abstract
We have developed a dry reagent strip system for measuring lactate in whole blood. The test strip contains lactate oxidase (no EC number assigned), horseradish peroxidase (EC 1.11.1.7), and N-ethyl-N-(2-hydroxy-3-sulfopropyl)-m-toluidine. The system is designed to measure with a reflectometer the color that developed in the test strip, although the lactate concentration can be estimated without the reflectometer. The between-run coefficients of variation for controls at three concentrations were 2.9-5.3%. The lactate concentrations in blood samples from healthy subjects before and after exercise correlated well (r = 0.97) with the results measured by the comparison method with the use of lactate oxidase. This dry reagent strip system provides a convenient and rapid test for measuring blood lactate in clinical and sports medicine.
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Abstract
Plasma concentrations of fructosamine, an indicator of glycated plasma proteins, were measured in non-diabetic children and children with insulin-dependent diabetes mellitus (IDDM) to see if they also correlate with glycemic control in children as well as in adults. Non-diabetic children aged less than 4 yr had significantly lower plasma fructosamine than non-diabetic children aged 4 or more. Total plasma protein in these children was slightly lower or close to that of older children. There was no difference in fructosamine between non-diabetic children aged 4 or more and healthy adult subjects. Plasma fructosamine in children with IDDM was twofold that of age-matched controls. In children with IDDM, correlations between fructosamine and HbAI (r = 0.799) or HbAIc (r = 0.841) were high. The measurement of plasma fructosamine, which is practical in children because of the small sample volume needed and no influence of HbF, is useful in the management of children with IDDM.
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32
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[Measurement of plasma fructosamine in children with insulin-dependent diabetes mellitus]. RINSHO BYORI. THE JAPANESE JOURNAL OF CLINICAL PATHOLOGY 1988; 36:939-42. [PMID: 3071634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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33
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Abstract
The present study was undertaken to elucidate possible mechanisms for a protection of myocardial cells from hypoxia-induced derangements in cardiac function and metabolism by calcium antagonists. For this purpose, rabbit hearts were perfused for 20 min under hypoxic conditions in the presence of 312 ng/ml diltiazem or 125 ng/ml verapamil, and then for 45 min under reoxygenated conditions. Metabolic changes in the myocardium and the perfusate were examined throughout. Hypoxia induced a marked decline in myocardial high-energy phosphates and an immediate release of ATP metabolites, such as adenosine, inosine and hypoxanthine, from the perfused heart. These changes were effectively depressed by diltiazem and verapamil. Hypoxia and subsequent reoxygenation resulted in a release of creatine phosphokinase from the heart, which was completely inhibited by the treatment with either diltiazem or verapamil. Myocardial calcium contents were increased by 20 min-hypoxic perfusion. Both diltiazem and verapamil are capable of preventing hypoxia-induced increase in the transmembrane flux of cellular components, which may be beneficial for the preservation of substances necessary for the ATP regeneration after hypoxia and for the inhibition of calcium overload in cardiac cells.
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Abstract
We assayed serum levels of certain enzymes and tumor markers in patients after transcatheter arterial embolization (TAE) to evaluate the effectiveness of this treatment. Twenty patients had hepatocellular carcinoma and two patients had metastases to the liver from colon cancer. Assays were first done immediately after TAE and were continued for the next 12 days. Glutamic oxaloacetic transaminase (GOT; EC 2.6.1.1, L-aspartate:2-oxoglutarate aminotransferase), glutamic pyruvic transaminase (GPT; EC 2.6.1.2, L-alanine:2-oxoglutarate aminotransferase), and lactate dehydrogenase (EC 1.1.1.27; (S)-lactate:NAD+ oxidoreductase) peaked 24 to 48 h after TAE and returned to the base lines in 7 to 10 days. Mitochondrial GOT (mGOT) and glutamate dehydrogenase (GLDH; EC 1.4.1.2, L-glutamate:NAD+ oxidoreductase) also peaked at the same time after TAE. alpha-Fetoprotein peaked 2 h after TAE and decreased to half of the baseline on day 7. Carcinoembryonic antigen peaked at 24 h and fell at 48 h only in the patients with colon cancer. The total amount of cytosolic GOT, GPT, mGOT, and GLDH released was correlated to the volume of the necrotic mass estimated by computed tomography scans. The correlation coefficients for mGOT and GLDH were r = 0.919 and r = 0.939 (both p less than 0.001), respectively. Assays of mGOT and GLDH may be useful to estimate the volume of the necrotic mass of a hepatoma or metastatic carcinoma in the liver.
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35
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[Malignant histiocytosis associated with hypogammaglobulinemia]. [RINSHO KETSUEKI] THE JAPANESE JOURNAL OF CLINICAL HEMATOLOGY 1986; 27:920-4. [PMID: 3761577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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36
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[Combination chemotherapy with cyclophosphamide, adriamycin, vincristine and prednisolone (VEPA) for non-Hodgkin's lymphoma]. Gan To Kagaku Ryoho 1986; 13:65-9. [PMID: 3753642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Combination Chemotherapy with Adriamycin (VEPA) was applied to 16 patients with non-Hodgkin's lymphoma. The effects of VEPA therapy were compared with those of combination chemotherapy without Adriamycin (non-VEPA). Complete remission rate achieved with VEPA therapy was 37.5% while that with non-VEPA therapy was 27.6%. Histologically, the complete remission rate in cases of large-cell type treated with VEPA therapy was 40%, while that with non-VEPA therapy was 14.3%. No cases of stage IV showed complete remission, whereas the complete remission rate for cases of stage III was 37.5% for VEPA therapy, but 27.6% for non-VEPA therapy. From these results we concluded that VEPA therapy is more effective for non-Hodgkin's lymphoma, especially large-cell type, than non-VEPA therapy.
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37
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[A case of congenital stomatocytosis with decreased red cell sodium content, increased red cell sodium efflux and pulmonary embolism]. [RINSHO KETSUEKI] THE JAPANESE JOURNAL OF CLINICAL HEMATOLOGY 1985; 26:789-94. [PMID: 2997502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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38
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[Ultrasonography in detecting hematologic diseases]. [RINSHO KETSUEKI] THE JAPANESE JOURNAL OF CLINICAL HEMATOLOGY 1983; 24:1331-41. [PMID: 6672266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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39
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Abstract
Abstract
To investigate the feasibility of using salivary urea nitrogen as an index of renal glomerular filtration rate, we developed and applied a new analytical system consisting of a urease-containing test strip and an automatic reflectance spectrometer. The concentrations of urea nitrogen so determined correlate well (r = 0.93) with concentrations in serum. These preliminary data suggest that our method can be used routinely as a simple and reliable means of detecting abnormalities of renal function.
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40
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Salivary urea nitrogen as an index to renal function: a test-strip method. Clin Chem 1983; 29:1825-7. [PMID: 6616832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
To investigate the feasibility of using salivary urea nitrogen as an index of renal glomerular filtration rate, we developed and applied a new analytical system consisting of a urease-containing test strip and an automatic reflectance spectrometer. The concentrations of urea nitrogen so determined correlate well (r = 0.93) with concentrations in serum. These preliminary data suggest that our method can be used routinely as a simple and reliable means of detecting abnormalities of renal function.
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[Nursing process for patients with multiple sclerosis. I. Clinical history and diagnosis. II. Nursing process from the time of hospital admission to tracheotomy. III. Nursing process after tracheotomy to admission to the ICU. IV. Nursing process from the release from the ICU to the start of rehabilitation and training. Evaluation of the nursing process]. KURINIKARU SUTADI = CLINICAL STUDY 1980; 1:785-819. [PMID: 6906515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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42
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[When and how of assistance in nursing, Report 3. Sympathy and understanding by the nurse]. KANGOGAKU ZASSHI 1977; 41:253-8. [PMID: 403326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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