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Journal of Clinical Medicine

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https://read.qxmd.com/read/30769952/the-importance-of-the-hedgehog-signaling-pathway-in-tumorigenesis-of-spinal-and-cranial-chordoma
#1
Reza Akhavan-Sigari, Walter Schulz-Schaeffer, Amanda Angelika Harcej, Veit Rohde
Chordomas is rare malignant bone tumors thought to arise from remnants of embryonic notochord along the spine, frequently at the skull base and sacrum. Although chordoma is slow growing tumors, while are extremely recurrent, and aggressive, as well as the rate of prognosis remains poorly. Radical surgery and high-dose radiation are the most used treatments. Currently, there is no effective chemotherapeutic standard for chordomas. The Hedgehog (HH) pathway adjusts various processes included in expansion and differentiation of tissues and organs throughout the fetus's life, furthermore cell growth and differentiation in the adult organism, of the cell in an adult organism, in which acute anesthesia is involved in multiple cancers...
February 15, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30769951/the-prognostic-significance-of-puncture-timing-to-survival-of-arteriovenous-fistulas-in-hemodialysis-patients-a-multicenter-retrospective-cohort-study
#2
Su-Ju Lin, Chun-Wu Tung, Yung-Chien Hsu, Ya-Hsueh Shih, Yi-Ling Wu, Tse-Chih Chou, Shu-Chen Chang, Chun-Liang Lin
(1) Background: A functional shunt is critical to hemodialysis, but the ideal timing of shunt cannulation is still not established. In this study, we assessed the association between ideal puncture timing and shunt survival. (2) Methods: This retrospective cohort study using data from the Taiwan Health and Welfare database, which included 26885 hemodialysis patients with arteriovenous fistulas from 1 July 2008 to 30 June 2012. Fistulas were categorized by functional maturation time, defined as the time from the date of shunt construction to the first successful cannulation...
February 15, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30769905/clinical-features-survival-and-prognostic-factors-of-glycogen-rich-clear-cell-carcinoma-grcc-of-the-breast-in-the-u-s-population
#3
Zhengqiu Zhou, Connor J Kinslow, Hanina Hibshoosh, Hua Guo, Simon K Cheng, Chunyan He, Matthew S Gentry, Ramon C Sun
The World Health Organization (WHO) defines glycogen-rich clear cell carcinoma (GRCC) of the breast as a carcinoma with glycogen accumulation in more than 90% of its tumor cells. Due to the rarity of this disease, its reported survival and clinical associations have been inconsistent due to reliance on case reports and limited case series. As a result, the prognostic implication of this cancer subtype remains unclear. Using the U.S. Surveillance, Epidemiology, and End Results (SEER) program database, we compared the incidence, demographics and prognostic factors of 155 cases of GRCC of the breast to 1,251,584 cases of other (non-GRCC) breast carcinomas...
February 14, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30769774/current-progress-in-uterus-transplantation-research-in-asia
#4
REVIEW
Iori Kisu, Yu Liu, Gaowen Chen, Min Jong Song, Cherry Yin-Yi Chang, Tan Hak Koon, Kouji Banno, Daisuke Aoki
Uterus transplantation (UTx) is now a possible approach for women with absolute uterine factor infertility to deliver a child, following the first successful delivery by Brännström et al. in Sweden in September 2014. This remarkable achievement attracted major attention worldwide and caused many countries to prepare for UTx, including countries in Asia. To date, three groups have performed UTx in humans in Asia, and many others are aiming for the clinical application of UTx with accumulation of basic experimental data...
February 14, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30759863/carbon-fiber-reinforced-peek-composites-based-on-3d-printing-technology-for-orthopedic-and-dental-applications
#5
Xingting Han, Dong Yang, Chuncheng Yang, Sebastian Spintzyk, Lutz Scheideler, Ping Li, Dichen Li, Jürgen Geis-Gerstorfer, Frank Rupp
Fused deposition modeling (FDM) is a rapidly growing three-dimensional (3D) printing technology and has great potential in medicine. Polyether-ether-ketone (PEEK) is a biocompatible high-performance polymer, which is suitable to be used as an orthopedic/dental implant material. However, the mechanical properties and biocompatibility of FDM-printed PEEK and its composites are still not clear. In this study, FDM-printed pure PEEK and carbon fiber reinforced PEEK (CFR-PEEK) composite were successfully fabricated by FDM and characterized by mechanical tests...
February 12, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30759844/troponin-testing-for-assessing-sepsis-induced-myocardial-dysfunction-in-patients-with-septic-shock
#6
June-Sung Kim, Muyeol Kim, Youn-Jung Kim, Seung Mok Ryoo, Chang Hwan Sohn, Shin Ahn, Won Young Kim
(1) Background: Myocardial dysfunction in patients with sepsis is not an uncommon phenomenon, yet reported results are conflicting and there is no objective definition. Measurement of troponin may reflect the state of the heart and may correlate with echocardiographically derived data. This study aimed to evaluate the role of admission and peak troponin-I testing for the identification of sepsis-induced myocardial dysfunction (SIMD) by transthoracic echocardiography (TTE). (2) Methods: This was a retrospective cohort study using a prospective registry of septic shock at an Emergency Department from January 2011 and April 2017...
February 12, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30759782/nt-probnp-predicts-total-mortality-emergency-department-visits-hospitalization-intensive-care-unit-admission-and-cardiovascular-events-in-hemodialysis-patients
#7
Yi-Hsin Chen, Yun-Ching Fu, Ming-Ju Wu
N-terminal pro b-type natriuretic peptide (NT-proBNP) was considered a prognostic factor for mortality in hemodialysis patients in previous studies. However, NT-proBNP has not been fully explored in terms of predicting other clinical outcomes in hemodialysis patients. This study aimed to investigate if NT-proBNP could predict emergency department (ED) visits, hospitalization, admission to intensive-care unit (ICU), and cardiovascular incidents in hemodialysis patients. Serum NT-proBNP and other indicators were collected in 232 hemodialysis patients...
February 12, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30759737/tortuosity-of-the-internal-carotid-artery-and-its-clinical-significance-in-the-development-of-aneurysms
#8
Kornelia M Kliś, Roger M Krzyżewski, Borys M Kwinta, Krzysztof Stachura, Jerzy Gąsowski
Tortuosity of blood vessels is a common angiographic finding that may indicate systemic disease and can be correlated with vascular pathologies. In this work, we determined whether patients with and without internal carotid artery (ICA) aneurysm presented with differences in its tortuosity descriptors. We retrospectively analysed data of 298 patients hospitalized between January 2014 and June 2018. For each patient's imaging data, we extracted a curve representing the ICA course and measured its Relative Length (RL), Sum of Angle Metrics (SOAM), Product of Angle Distance (PAD), Triangular Index (TI), and Inflection Count Metrics (ICM)...
February 12, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30759726/targeting-immune-signaling-checkpoints-in-acute-myeloid-leukemia
#9
REVIEW
Krzysztof Giannopoulos
The modest successes of targeted therapies along with the curative effects of allogeneic hematopoietic stem cell transplantation (alloHSCT) in acute myeloid leukemia (AML) stimulate the development of new immunotherapies. One of the promising methods of immunotherapy is the activation of immune response by the targeting of negative control checkpoints. The two best-known inhibitory immune checkpoints are cytotoxic T-lymphocyte antigen-4 (CTLA-4) and the programmed cell death protein 1 receptor (PD-1). In AML, PD-1 expression is observed in T-cell subpopulations, including T regulatory lymphocytes...
February 12, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30754727/sensors-for-lung-cancer-diagnosis
#10
REVIEW
Rosamaria Capuano, Alexandro Catini, Roberto Paolesse, Corrado Di Natale
The positive outcome of lung cancer treatment is strongly related to the earliness of the diagnosis. Thus, there is a strong requirement for technologies that could provide an early detection of cancer. The concept of early diagnosis is immediately extended to large population screening, and then, it is strongly related to non-invasiveness and low cost. Sensor technology takes advantage of the microelectronics revolution, and then, it promises to develop devices sufficiently sensitive to detect lung cancer biomarkers...
February 11, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30754707/trastuzumab-induced-chemobrain-atorvastatin-rescued-chemobrain-with-enhanced-anticancer-effect-and-without-hair-loss-side-effect
#11
Seonhwa Lee, Hae-June Lee, Hyunji Kang, Eun-Ho Kim, Young-Cheol Lim, Hyejin Park, Sang Moo Lim, Yong Jin Lee, Jung Min Kim, Jin Su Kim
The authors identified that chemo-brain was induced after trastuzumab (TZB) therapy. In addition, atorvastatin (ATV) could rescue chemo-brain during trastuzumab (TZB) therapy. Enhanced therapeutic effect of TZB was confirmed after ATV therapy. We also investigated that there was no hair loss side effect due to ATV therapy. In an animal model, 150 μg TZB and five serial doses of 20 mg/kg ATV were administered. 18 F-fluorodeoxyglucose Positron Emission Tomography (PET) and Magnetic Resonance Imaging (MRI) data were acquired...
February 11, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30754680/in-silico-study-probes-potential-inhibitors-of-human-dihydrofolate-reductase-for-cancer-therapeutics
#12
Rabia Mukhtar Rana, Shailima Rampogu, Amir Zeb, Minky Son, Chanin Park, Gihwan Lee, Sanghwa Yoon, Ayoung Baek, Sarvanan Parameswaran, Seok Ju Park, Keun Woo Lee
Dihydrofolate reductase (DHFR) is an essential cellular enzyme and thereby catalyzes thereduction of dihydrofolate to tetrahydrofolate (THF). In cancer medication, inhibition of humanDHFR (hDHFR) remains a promising strategy, as it depletes THF and slows DNA synthesis and cellproliferation. In the current study, ligand-based pharmacophore modeling identified and evaluatedthe critical chemical features of hDHFR inhibitors. A pharmacophore model (Hypo1) was generatedfrom known inhibitors of DHFR with a correlation coefficient (0...
February 11, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30754665/investigating-the-role-of-everolimus-in-mtor-inhibition-and-autophagy-promotion-as-a-potential-host-directed-therapeutic-target-in-mycobacterium-tuberculosis-infection
#13
REVIEW
Stephen Cerni, Dylan Shafer, Kimberly To, Vishwanath Venketaraman
Tuberculosis (TB) is a serious infectious disease caused by the pathogen Mycobacterium tuberculosis ( Mtb ). The current therapy consists of a combination of antibiotics over the course of four months. Current treatment protocols run into problems due to the growing antibiotic resistance of Mtb and poor compliance to the multi-drug-resistant TB treatment protocol. New treatments are being investigated that target host intracellular processes that could be effective in fighting Mtb infections. Autophagy is an intracellular process that is involved in eliminating cellular debris, as well as intracellular pathogens...
February 11, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744214/effects-of-stepwise-lung-recruitment-maneuvers-in-patients-with-early-acute-respiratory-distress-syndrome-a-prospective-randomized-controlled-trial
#14
Shu-Chen Kung, Yi-Li Hung, Wan-Ling Chen, Ching-Min Wang, Hui-Chun Chang, Wei-Lun Liu
Since the clinical benefit of lung recruitment maneuvers (LRMs) is still conflicting, we performed this prospective, randomized, controlled study to investigate whether LRMs should be used in the routine management of acute respiratory distress syndrome (ARDS). This trial was conducted in four intensive care units (ICUs) to compare application of a modified stepwise LRMs with solely lung-protective ventilation in patients with moderate to severe ARDS within 72 h from the onset. The primary outcome was 28-day mortality, and the secondary outcomes were ventilator-free days and ICU-free days...
February 10, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744195/the-relationship-between-platelet-count-and-host-gut-microbiota-a-population-based-retrospective-cross-sectional-study
#15
Hee-Young Yoon, Han-Na Kim, Su Hwan Lee, Soo Jung Kim, Yoosoo Chang, Seungho Ryu, Hocheol Shin, Hyung-Lae Kim, Jin Hwa Lee
Platelet count reflects the severity and prognosis of multiple diseases. Additionally, alterations in gut microbiota have been linked to several chronic diseases. The purpose of this study was to investigate the association between gut microbiota and platelet count. We selected 1268 subjects with fecal 16S RNA gene sequencing data from a Healthcare Screening Center cohort. Based on the third quartile of platelets (277 × 10⁸/L), we compared the gut microbiota between the upper quartile ( n = 321) and lower three quartiles groups ( n = 947)...
February 10, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744186/frequent-alteration-of-annexin-a9-and-a10-in-hpv-negative-head-and-neck-squamous-cell-carcinomas-correlation-with-the-histopathological-differentiation-grade
#16
Cecilia Salom, Saúl Álvarez-Teijeiro, M Pilar Fernández, Reginald O Morgan, Eva Allonca, Aitana Vallina, Corina Lorz, Lucas de Villalaín, M Soledad Fernández-García, Juan P Rodrigo, Juana M García-Pedrero
The annexin protein superfamily has been implicated in multiple physiological and pathological processes, including carcinogenesis. Altered expression of various annexins has frequently been observed and linked to the development and progression of various human malignancies. However, information is lacking on the expression and clinical significance of annexin A9 (ANXA9) and A10 (ANXA10) in head and neck squamous cell carcinomas (HNSCC). ANXA9 and ANXA10 expression was evaluated in a large cohort of 372 surgically treated HPV-negative HNSCC patients and correlated with the clinicopathologic parameters and disease outcomes...
February 10, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744174/endovascular-therapy-for-tandem-occlusion-in-acute-ischemic-stroke-intravenous-thrombolysis-improves-outcomes
#17
Slaven Pikija, Jozef Magdic, Laszlo K Sztriha, Monika Killer-Oberpfalzer, Nele Bubel, Anita Lukic, Johann Sellner
Ischemic stroke related to tandem internal carotid and middle cerebral artery (TIM) occlusion is a challenging condition where endovascular treatment (EVT) is an emerging revascularization option. The identification of factors influencing clinical outcomes can assist in creating appropriate therapeutic algorithms for such patients. This study aimed to evaluate prognostic factors in the context of EVT for TIM occlusion. We performed a retrospective study of consecutive patients with TIM occlusion admitted within 6 h from symptom onset to two tertiary stroke centers...
February 10, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744151/a-personalized-cyp2c19-phenotype-guided-dosing-regimen-of-voriconazole-using-a-population-pharmacokinetic-analysis
#18
Yun Kim, Su-Jin Rhee, Wan Beom Park, Kyung-Sang Yu, In-Jin Jang, SeungHwan Lee
Highly variable and non-linear pharmacokinetics of voriconazole are mainly caused by CYP2C19 polymorphisms. This study aimed to develop a mechanistic population pharmacokinetic model including the CYP2C19 phenotype, and to assess the appropriateness of various dosing regimens based on the therapeutic target. A total of 1,828 concentrations from 193 subjects were included in the population pharmacokinetic analysis. A three-compartment model with an inhibition compartment appropriately described the voriconazole pharmacokinetics reflecting auto-inhibition...
February 10, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744128/the-benefice-of-mobile-parts-exchange-in-the-management-of-infected-total-joint-arthroplasties-with-prosthesis-retention-dair-procedure
#19
Stefanie Hirsiger, Michael Betz, Dimitrios Stafylakis, Tobias Götschi, Daniel Lew, Ilker Uçkay
Background: The management of prosthetic joint infections (PJI) with debridement and retention of the implant (DAIR) has its rules. Some authors claim that lacking the exchange of mobile prosthetic parts is doomed to failure, while others regard it as optional. Methods: Single-center retrospective cohort in PJIs treated with DAIR. Results: We included 112 PJIs (69 total hip arthroplasties, 9 medullary hip prostheses, 41 total knee arthroplasties, and 1 total shoulder arthroplasty) in 112 patients (median age 75 years, 52 females (46%), 31 (28%) immune-suppressed) and performed a DAIR procedure in all cases-48 (43%) with exchange of mobile parts and 64 without...
February 9, 2019: Journal of Clinical Medicine
https://read.qxmd.com/read/30744126/kifc1-inhibitor-cw069-induces-apoptosis-and-reverses-resistance-to-docetaxel-in-prostate-cancer
#20
Yohei Sekino, Naohide Oue, Yuki Koike, Yoshinori Shigematsu, Naoya Sakamoto, Kazuhiro Sentani, Jun Teishima, Masaki Shiota, Akio Matsubara, Wataru Yasui
Kinesin family member C1 (KIFC1) is a minus end-directed motor protein that plays an essential role in centrosome clustering. Previously, we reported that KIFC1 is involved in cancer progression in prostate cancer (PCa). We designed this study to assess the involvement of KIFC1 in docetaxel (DTX) resistance in PCa and examined the effect of KIFC1 on DTX resistance. We also analyzed the possible role of a KIFC1 inhibitor (CW069) in PCa. We used DTX-resistant PCa cell lines in DU145 and C4-2 cells to analyze the effect of KIFC1 on DTX resistance in PCa...
February 9, 2019: Journal of Clinical Medicine
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