• Title/Summary/Keyword: Medical faculty

Search Result 2,270, Processing Time 0.027 seconds

Positive Effects of Oral β-Glucan on Mucositis and Leukopenia in Colorectal Cancer Patients Receiving Adjuvant FOLFOX-4 Combination Chemotherapy

  • Karaca, Halit;Bozkurt, Oktay;Ozaslan, Ersin;Baldane, Suleyman;Berk, Veli;Inanc, Mevlude;Duran, Ayse Ocak;Dikilitas, Mustafa;Er, Ozlem;Ozkan, Metin
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.15 no.8
    • /
    • pp.3641-3644
    • /
    • 2014
  • The present study aimed to determine the effect of oral ${\beta}$-glucan on mucositis and leukopenia in 62 consecutive patients with colorectal cancer treated with an adjuvant FOLFOX-4 regimen. The patients were retrospectively evaluated in 2 groups: one group received ${\beta}$-glucan and the other did not (control group). Leucocytes, neutrophils, and platelets were evaluated before and 1 week after chemotherapy and oral mucositis and diarrhea were noted. Leucocyte and neutrophil counts after chemotherapy in the ${\beta}$-glucan group were $7,300/mm^3$ and $3,800/mm^3$, respectively, and the reductions, as compared to baseline, were not significant (p=0.673 and 0.784). The median platelet count was $264,000/mm^3$ after chemotherapy in the ${\beta}$-glucan group and the reduction, as compared to baseline, was borderline significant (p=0.048). In the control group, reduction in leucocyte, neutrophil, and platelet counts was statistically significant. Oral mucositis and diarrhea were less common in the ${\beta}$-glucan group. We conclude that ${\beta}$-glucan can be used to reduce the adverse effects of chemotherapy.

Efficacy and Safety of Concomitant Chemoradiotherapy with Cisplatin and Docetaxel in Patients with Locally Advanced Squamous Cell Head and Neck Cancers

  • Baykara, Meltem;Buyukberber, Suleyman;Ozturk, Banu;Coskun, Ugur;Unsal, Diclehan Kilic;Demirci, Umut;Dane, Faysal;Kaplan, Muhammet Ali;Bora, Huseyin;Benekli, Mustafa
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.14 no.4
    • /
    • pp.2557-2561
    • /
    • 2013
  • Background: Chemoradiation (CRT) using cisplatin-based regimens has become the standard of care in the treatment of squamous cell head and neck cancers (SCHNC). The impact of taxanes as radiosensitizing agents with concurrent CRT regimens is unknown. We therefore retrospectively evaluated the efficacy and tolerability of a weekly cisplatin+docetaxel combination with CRT in locally advanced SCHNC. Methods: Sixty-six patients with locally advanced SCHNC (39.4% stage IV, 53% stage III, and 7.6% stage II) were assessed retrospectively. Total radiation dose to the PTV of gross disease (primary and/or node) was 70 Gy/35 fractions, 5 fractions per week. Minimum doses of 60 Gy and 50 Gy were administered to PTVs of elective high risk and low risk disease, respectively. Chemotherapy (CT) consisted of weekly cisplatin (20 $mg/m^2$)+docetaxel (20 $mg/m^2$) concurrently with RT. Results: The median age of the patients was 58 years (range, 32-77). Objective response rate was 83.3%. The 2-year progression-free survival (PFS) and overall survival (OS) were 75.7% and 78.3%, respectively. The most common grade 3 and 4 toxicities were mucositis (36.4%), nausea and vomiting (12.1%), neutropenia (4.5%). Conclusion: Weekly cisplatin and docetaxel concurrent with RT for locally advanced SCHNC was found tolerable with high efficacy.

Anticancer Effects of the Hsp90 Inhibitor 17-Demethoxy-Reblastatin in Human Breast Cancer MDA-MB-231 Cells

  • Zhao, Qing;Wu, Cheng-Zhu;Lee, Jae Kyoung;Zhao, Su-Rong;Li, Hong-Mei;Huo, Qiang;Ma, Tao;Zhang, Jin;Hong, Young-Soo;Liu, Hao
    • Journal of Microbiology and Biotechnology
    • /
    • v.24 no.7
    • /
    • pp.914-920
    • /
    • 2014
  • Triple-negative breast cancer (TNBC) possesses a higher rate of distant recurrence and a poorer prognosis than other breast cancer subtypes. Interestingly, most of the heat shock protein 90 (Hsp90) client proteins are oncoproteins, and some are closely related to unfavorable factors of TNBC patients. 17-Demethoxy-reblastatin (17-DR), a novel non-benzoquinone-type geldanamycin analog, exhibited potent Hsp90 ATPase inhibition activity. In this study, the anticancer effects of 17-DR on TNBC MDA-MB-231 cells were investigated. These results showed that 17-DR inhibited cell proliferation, induced apoptosis, and suppressed cell invasion and migration in the MDA-MB-231 cells. Down-regulation of the key Hsp90-dependent tumor-driving molecules, such as RIP1 and MMP-9, by 17-DR may be related to these effects. Taken together, our results suggest that 17-DR has potential as a therapeutic agent for the treatment of TNBC.

Predictive Significance of VEGF and HIF-1α Expression in Patients with Metastatic Colorectal Cancer Receiving Chemotherapy Combinations with Bevacizumab

  • Berk, Veli;Deniz, Kemal;Bozkurt, Oktay;Ozaslan, Ersin;Karaca, Halit;Inanc, Mevlude;Duran, Ayse Ocak;Ozkan, Metin
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.16 no.14
    • /
    • pp.6149-6154
    • /
    • 2015
  • Background: There is no suggested molecular indicator for the determination of which patients will benefit from anti-angiogenetic treatment in metastatic colorectal cancers. Materials and Methods: In this study, VEGF and $HIF-1{\alpha}$ expression and their clinical significance were studied in tumor tissues of patients with colorectal cancer receiving bevacizumab-based treatment. VEGF and $HIF-1{\alpha}$ were assessed by immunohistochemistry in the primary tumors of 53 metastatic colorectal cancer patients receiving chemotherapy in combination with first line bevacizumab. Results: The clinical benefit rate in the low-VEGF expression group was 38%, while it was 62% in the high expression group. While the median progression-free survival (PFS) was 10 months in the high-VEGF expression group, it was 8 months in the low-VEGF expression group (p = 0.009). The median overall survival (OS) was found to be 26 months vs 15 months. Thus, when VEGF was strongly expressed it was in favor of that group and the difference was statistically significant (p = 0.03). High VEGF expression rate was an independent factor that correlated with OS or PFS (p=0.016 and 0.009, respectively). Conclusions: The data showed that VEGF may have predictive value for determining the treatment of CRC.

Renoprotective Effect of Plantago major Against Proteinuria and Apoptosis Induced by Adriamycin in Rat

  • Yazd, Zohreh Naji Ebrahimi;Noshahr, Zahra Samadi;Hosseinian, Sara;Shafei, Mohammad Naser;Bideskan, Alireza Ebrahimzadeh;Mohebbati, Reza;Heravi, Nazanin Entezari;Shahraki, Samira;Mahzari, Somayeh;Rad, Abolfazl Khajavi
    • Journal of Pharmacopuncture
    • /
    • v.22 no.1
    • /
    • pp.35-40
    • /
    • 2019
  • Objective: Adriamycin (ADR) is an important anti-cancer drug which can cause renal toxicity. Given the known anti-inflammatory and antioxidant effects of Plantago major (P. major), the aim of this study was to determine the effects of hydroalcoholic extract of P. major on ADR- induced nephropathy in rats. Methods: Fifty male Wistar albino rats were randomly divided into 5 groups including: control, ADR (5 mg/kg), ADR + P. major (600 and 1200 mg/kg) and P. major (1200 mg/kg). The animals were treated with P. major extract for 5 consecutive weeks and ADR was intravenously injected on the 7th day of the study. Urine and serum samples were collected on days 0, 14, 21, 28, and 35 for the measurement of serum cholesterol and albumin levels and urine protein excretion rate. At the end of the study, the left kidneys were removed for apoptosis assessment. Results: Administration of ADR significantly decreased serum albumin level and increased serum cholesterol and urine protein excretion rate as well as, apoptotic cell numbers compared to the control group (P < 0.001) while had no effect on glomerular filtration rate (P > 0.05). Treatment with P. major, in both 600 and 1200 mg/kg doses, increased serum albumin level and decreased serum cholesterol concentration, urine protein excretion rate and as well as the number of apoptotic cell compared to the ADR group (P < 0.001). Conclusion: Our results showed that the P. major extract effectively protects against ADR- induced nephropathy by reducing kidney apoptosis and improving renal functioning in rats.

Variation in Professors' Teaching Efficacy and Their Satisfaction with Faculty Development Programs (의과대학 교수의 교수효능감 및 교수개발 프로그램 만족도의 차이)

  • Jun, Soo Koung;Chun, Kyung Hee;Lee, Young Hwan;Kim, Sae Yoon;Kim, Wu Kyung;Kim, Seong Yong
    • Korean Medical Education Review
    • /
    • v.17 no.2
    • /
    • pp.88-93
    • /
    • 2015
  • The purpose of this study was to examine the variation in professors' satisfaction with faculty development programs and in their teaching efficacy according to their demographic characteristics and the rate of participation in faculty development programs in a medical school. The data were collected from 59 faculty members who participated in the Professor's Seminar. The questionnaire consisted of three parts: general background of the respondent; satisfaction with the faculty development program; and teaching efficacy. The data were analyzed by methods of descriptive analysis, analysis of variance, and the Mann-Whitney U-test. The program satisfaction of faculty members was significantly different by the years of educational career but it was not different by job status, specialty, gender, and the participation level in faculty programs. The faculty members' teaching efficacy differed significantly by gender and the participation level in faculty programs, while it did not differ by educational career, job status, or specialty. The results of this study suggest that various faculty programs should be developed to increase the satisfaction level of different groups of faculty members, and that they should be more focused on teaching efficacy, as it is considered to be one of the most effective way to increase the quality of education.

Multicenter Epidemiologic Study on Hepatocellular Carcinoma in Turkey

  • Can, Alper;Dogan, Erkan;Bayoglu, Ibrahim Vedat;Tatli, Ali Murat;Besiroglu, Mehmet;Kocer, Murat;Dulger, Ahmet Cumhur;Uyeturk, Ummugul;Kivrak, Derya;Orakci, Zuat;Bal, Oznur;Kacan, Turgut;Olmez, Sehmus;Turan, Nedim;Ozbay, Mehmet Fatih;Alacacioglu, Ahmet
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.15 no.6
    • /
    • pp.2923-2927
    • /
    • 2014
  • Background: Hepatocellular cancer (HCC) is one of the important health problems in Turkey, being very common and highly lethal. The aim of this study was to determine clinical, demographic features and risk factors. Materials and Methods: Nine hundred and sixth-three patients with HCC from 13 cities in Turkey were included in this study. Results: Only 205 (21%) of the 963 patients were women, with a male:female predominance of 4.8:1 and a median age of 61 years. The etiologic risk factors for HCC were hepatitis B in 555 patients (57.6%), 453 (81%) in men, and 102 (19%) in women, again with male predominance, hepatitis C in 159 (16.5%), (14.9% and 22.4%, with a higher incidence in women), and chronic alcohol abuse (more than ten years) in 137 (14.2%) (16.8% and 4.9%, higher in males). The Child-Pugh score paralleled with advanced disease stage amd also a high level of AFP. Conclusions: According to our findings the viral etiology (hepatitis B and hepatitis C infections) in the Turkish population was the most important factor in HCC development, with alcohol abuse as the third risk factor. The Child-Pugh classification and AFP levels were determined to be important prognostic factors in HCC patients.