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1.
J BUON ; 16(3): 414-24, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-22006742

RESUMO

Despite acquiring a strong understanding of the molecular basis and advances in treatment, cancer is the second major cause of death in the world. In clinics, the stagedependent treatment strategies may include surgery, radiotherapy and systemic treatments like hormonotherapy and chemotherapy, which are associated with side effects. The use of traditional herbal medicine in cancer patients is on a rise, as it is believed that these medications are non toxic and alleviate the symptoms of cancer, boost the immune system, or may tackle the cancer itself. Since antiquity the rhizome of Zingiber officinale Roscoe commonly known as ginger (family Zingiberaceae) have widely been used as a spice and condiment in different societies. Additionally, ginger also has a long history of medicinal use in various cultures for treating common colds, fever, to aid digestion, treat stomach upset, diarrhoea, nausea, rheumatic disorders, gastrointestinal complications and dizziness. Preclinical studies have also shown that ginger possesses chemopreventive and antineoplastic properties. It is also reported to be effective in ameliorating the side effects of γ-radiation and of doxorubicin and cisplatin; to inhibit the efflux of anticancer drugs by P-glycoprotein (P-gp) and to possess chemosensitizing effects in certain neoplastic cells in vitro and in vivo. The objective of this review is to address observations on the role of ginger as adjuvant to treatment modalities of cancer. Emphasis is also placed on the drawbacks and on future directions for research that will have a consequential effect on cancer treatment and cure.


Assuntos
Neoplasias/tratamento farmacológico , Fitoterapia , Zingiber officinale , Membro 1 da Subfamília B de Cassetes de Ligação de ATP/fisiologia , Anticarcinógenos/farmacologia , Antieméticos/farmacologia , Citoproteção , Resistencia a Medicamentos Antineoplásicos , Humanos , Protetores contra Radiação/farmacologia
2.
J Clin Pathol ; 56(8): 569-74, 2003 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-12890803

RESUMO

AIMS: Folate receptors (FRs) mediate cellular uptake of folates in many cancer cells and in folate deficiency heterogeneous nuclear ribonucleoprotein E1 (hnRNP-E1) mediates translational upregulation of FR in cultured cervical cancer cells. hnRNP-E1 can also interfere with human papillomavirus 16 (HPV-16) viral capsid protein synthesis (and thereby HPV proliferation) in vitro. This study aimed to evaluate prospectively the relevance of FR and hnRNP-E1 expression in the normal cervix, cervical dysplasia, and cancer. METHODS: Cervical tissues from 12 women with normal histology and 69 consecutive women with varying grades of cervical dysplasia and cancer were prospectively evaluated for immunohistochemical expression of FR, hnRNP-E1, proliferating cell nuclear antigen (PCNA), and HPV. There were 22 women with low grade squamous intraepithelial lesions (LGSIL), 22 with high grade squamous intraepithelial lesions (HGSIL), and 25 with invasive cervical carcinoma. RESULTS: Among normal subjects, 100% and 92% expressed hnRNP-E1 and FR, respectively. FR expression decreased from 91% in LGSIL to 68% and 64% in women with HGSIL and cancer, respectively. Similarly, hnRNP-E1 expression decreased from 86% in LGSIL to 68% and 40% in HGSIL and cancer, respectively. There was a highly significant positive correlation between the extent of FR and hnRNP-E1 expression, and an inverse correlation between HPV infection and hnRNP-E1 expression during progression of cervical dysplasia to cancer. CONCLUSION: These results are consistent with a hypothesis that reduced hnRNP-E1 expression may be permissive for HPV proliferation and progression to cervical cancer, and support the need for prospective longitudinal studies of hnRNP-E1 expression in HPV-16 infected women.


Assuntos
Biomarcadores Tumorais/análise , Carcinoma de Células Escamosas/química , Proteínas de Transporte/análise , Ribonucleoproteínas Nucleares Heterogêneas/análise , Papillomaviridae , Receptores de Superfície Celular , Proteínas Repressoras , Neoplasias do Colo do Útero/química , Biópsia , Carcinoma de Células Escamosas/diagnóstico , Carcinoma de Células Escamosas/virologia , Estudos de Casos e Controles , Transformação Celular Viral , Colo do Útero/patologia , Colo do Útero/virologia , Distribuição de Qui-Quadrado , Proteínas de Ligação a DNA , Feminino , Receptores de Folato com Âncoras de GPI , Humanos , Imuno-Histoquímica/métodos , Proteínas Oncogênicas Virais/análise , Infecções por Papillomavirus/diagnóstico , Antígeno Nuclear de Célula em Proliferação/análise , Estudos Prospectivos , Proteínas de Ligação a RNA , Estatísticas não Paramétricas , Infecções Tumorais por Vírus/diagnóstico , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/virologia , Displasia do Colo do Útero/diagnóstico , Displasia do Colo do Útero/patologia
3.
Radiol Technol ; 53(5): 409-17, 1982.
Artigo em Inglês | MEDLINE | ID: mdl-6927770

RESUMO

Because of a very low technologist productivity in their Radiology Department, the authors describe a Productive Point System they developed and implemented to solve this personnel problem. After establishing the average time required to perform all exams, point credits (one point for every ten minutes utilized) were assigned to each exam performed, thereby determining an index of production. A Productive Index of 80% was considered realistic and was the equivalent of 192 points for a 40-hour work week. From 1975 to 1978 personal productivity increased from 79% to 113%. This resulted in an average yearly fiscal savings of over $20,000.00 for this three-year period. There was also a significant improvement in exam efficiency and quality, job attitude, personnel morale, and public relations. This program was highly successful because technologist acceptance and cooperation was complete, and this occurred mainly because the system supports the normal occupational goals and expectations of technologists.


Assuntos
Planos para Motivação de Pessoal , Departamentos Hospitalares , Administração de Recursos Humanos em Hospitais , Gestão de Recursos Humanos , Serviço Hospitalar de Radiologia , Tecnologia Radiológica , Eficiência , Humanos , Serviço Hospitalar de Radiologia/economia , Serviço Hospitalar de Radiologia/organização & administração , Estudos de Tempo e Movimento , Recursos Humanos
5.
Can J Radiogr Radiother Nucl Med ; 14(3): 96-101, 1983.
Artigo em Inglês | MEDLINE | ID: mdl-10262107

RESUMO

Because of a very low technologist productivity in their Radiology Department, the authors describe a Productive Point System they developed and implemented to solve this personnel problem. After establishing the average time required to perform all exams, point credits (one point for every ten minutes utilized) were assigned to each exam performed, thereby determining an index of production. A Productive Index of 80% was considered realistic and was the equivalent of 192 points for a 40-hour work week. From 1975 to 1978 personal productivity increased from 79% to 113%. This resulted in an average yearly fiscal savings of over $20,000.00 for this three-year period. There was also a significant improvement in exam efficiency and quality, job attitude, personnel morale, and public relations. This program was highly successful because technologist acceptance and cooperation was complete, and this occurred mainly because the system supports the normal occupational goals and expectations of technologists.


Assuntos
Eficiência , Planos para Motivação de Pessoal , Departamentos Hospitalares/normas , Gestão de Recursos Humanos , Serviço Hospitalar de Radiologia/normas , Humanos , Texas , Estudos de Tempo e Movimento
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