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相关概念视频

Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
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Leishmaniasis01:30

Leishmaniasis

Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
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Introduction to Language of Pathophysiology ll

This lesson explores key terms that describe how diseases progress, their outcomes, and their distribution in populations.Diagnostic tests identify diseases and monitor treatment. These include blood and urine tests, biopsies, imaging (X-ray, MRI), and detection of infectious agents.Remission is a reduction or disappearance of symptoms.Exacerbation refers to the worsening of symptoms, such as increased wheezing during an asthma attack.A precipitating factor triggers an acute episode, while a...

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相关实验视频

Updated: Jul 8, 2026

ALS - Motor Neuron Disease: Mechanism and Development of New Therapies
15:48

ALS - Motor Neuron Disease: Mechanism and Development of New Therapies

Published on: July 29, 2007

在莱什曼病的进展.

Henry W Murray1, Jonathan D Berman, Clive R Davies

  • 1Department of Medicine, Weill Medical College of Cornell University, New York, USA. hwmurray@med.cornell.edu

Lancet (London, England)
|November 1, 2005
PubMed
概括
此摘要是机器生成的。

莱什曼病呈现出各种不同的临床形式,从皮肤病变到内脏疾病,尽管治疗,但经常持续终身. 控制的挑战包括有限的载体管理,没有疫苗和耐药性,阻碍有效的预防和治疗.

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科学领域:

  • 医学寄生虫学 医学寄生虫学
  • 免疫学 免疫学 免疫学
  • 传染性疾病 传染性疾病

背景情况:

  • 莱什曼病是一种寄生虫疾病,具有广泛的临床谱,受宿主寄生虫相互作用和免疫反应的影响.
  • 感染可以从无症状到局部的皮肤,粘膜或内脏形式,结果因地区和宿主免疫而异.
  • 尽管免疫反应和治疗,细胞内寄生虫可以长期存在巨细胞内,导致慢性或复发性感染.

研究的目的:

  • 提供关于莱什曼病的临床谱,诊断和治疗的全面概述.
  • 突出预防和管理莱什曼病的挑战和障碍,特别是在流行地区.
  • 讨论应对耐药性的新兴治疗策略.

主要方法:

  • 对莱什曼病的临床表现和流行病学模式的审查.
  • 诊断方法的总结,包括显微镜,血清学,培养和DNA检测.
  • 对莱什曼病的传统和新型治疗干预措施的分析.

主要成果:

  • 莱什曼病以亚临床,局部和传播的形式表现,呈现和特有性的区域差异很大.
  • 诊断依赖于寄生虫可视化,血清学,培养和DNA检测,实验室方法提供更高的灵敏度.
  • 五价抗仍然是主要的治疗方法,但耐药性需要使用其他疗法,如安福特乙,帕罗摩辛和米尔特福辛.

结论:

  • 莱什曼病的控制受到包括贫困,不充分的沙传播媒介控制,缺乏疫苗和不充分开发负担得起的药物等因素的阻碍.
  • 尽管在诊断和治疗方面取得了进展,但莱什曼病仍然是一个被忽视的热带疾病,需要综合控制策略.
  • 解决药物耐药性和改善获得有效治疗的机会对于全球管理莱什曼病至关重要.