视频文本
Many children who have milk and egg allergies
对牛奶和蛋类过敏的儿童
are potential candidates for developing allergies
可能在儿童时期更容易出现
to other highly sensitizing food such as peanuts
对易引发过敏反应的食品的过敏现象
during childhood.
比如花生
However people who have a peanut allergy
但是，对花生过敏的人
do not usually react to other legumes such as
反而可以接受一些其他的豆类食品
green beans, lima beans or navy beans and
比如绿豆，青豆或者海军豆
are also likely to tolerate soy.
也可能可以接受大豆
This shows that some individuals are
这表明一些人
genetically more susceptible to
从基因上就更容易出现
develop food allergies.
食物过敏的现象
Now let's examine some treatment options
现在我们来讨论一下
for food allergy.
食物过敏的治疗方法
There is currently no cure for food allergy
目前对于食物过敏
and the American Academy of Pediatrics
并没有治愈的方法
and the Food and Drug Administration advise
美国儿科学会和食物和药品管理局
those with the condition to completely avoid
建议食物过敏的人远离
the susceptible foods.
可能引发过敏的食品
However there are several promising treatments
但是确实有一些很有发展前景的
in the process of development or are in testing.
治疗方法正在研究实验过程中
Next we will look at a few of these options.
下面我们就来看看这些方法中的几种
The first is sublingual immunotherapy
第一种是舌下免疫疗法
and oral immunotherapy are based on the concept
和口腔免疫疗法，它们基于这样一种概念
that the contact of the antigen with the oral mucosa
通过口腔黏膜
and gut associated lymphoid system leads to tolerance.
和内脏淋巴系统接触抗原可以导致耐受性
With these treatments patients are given
用这种治疗方法的病人通过口腔
minute amounts of the allergen orally and over time
接触了很小剂量的过敏原，随着时间推移
the quantity is increased.
他们可以接受得过敏原的剂量增加了
Only a few uncontrolled trials have been reported.
已报告的失败的案例只有几例
And although OIT and SLIT for egg, milk
虽然对蛋类，牛奶和榛子的过敏
and hazelnut appear to provide desensitization
用这两种治疗方法在治疗期间
during therapy long term tolerance
可以达到脱敏的效用
has yet to be validated.
但是这是否长期有效尚未得到验证
The second treatment option we will examine is
第二种治疗方法是
the anti-IgE therapy.
抗IgE疗法
In one research study on peanut allergy
在对花生过敏的一项实验研究中
treatment TNX-901,
给接受实验者使用一种抗IgE的名为
an anti-IgE antibody was administered to individuals
TNX-901的抗体，剂量从150毫克
in varying doses from 150 to 450 milligrams
到450毫克不等
each week for 4 weeks.
时间长度为4周
Results showed that the 450 milligram dose
实验结果表明 450毫克剂量的人
significantly increased the threshold response from
可以接受的花生数量从平均半个
about one half of a peanut to 9 peanuts on average.
上升到了9个
The increased threshold would be enough to protect
上升的数量足以使
against accidental ingestion of peanuts and
对花生过敏的人，在意外吃到花生后
potentially protect the patient from a life
不受影响，也可以使他们
threatening reaction.
免于遭受生命威胁
However the results were inconsistent
但是实验结果也有不一致的地方
and the therapy would require bimonthly
且这种疗法需要两月一次
or monthly injections for life.
或者一月一次接受注射
Still it may be useful for those
可能它对那些对花生
who have severe reactions to peanuts.
严重过敏的人较为有效
The third treatment option we will examine is
第三种疗法也是
again for peanut allergy and is
针对花生过敏
the engineered recombinant protein.
是工程重组蛋白
The three major proteins that elicit
可以引发过敏反应的三种
an allergenic response have been isolated
主要的蛋白质已经被分离出来
to identify the allergenic components of peanuts.
从而查明花生中可以导致过敏的部分
The proteins have been modified to
这些蛋白被进行了重组，降低它们
reduce their ability to bind with the IgE antibodies
在人体内与IgE抗体的联系能力
within the human body therefore
从而减少
reducing the allergenic response.
过敏反应
The recombinant proteins have been shown to be
重组蛋白在抑制过敏症状发生
significantly more effective at blocking symptoms.
方面作用显著
This treatment is undergoing further testing before
这种疗法目前正在
being submitted for an application
试验阶段，今后会向
for approval by the Food and Drug Administration.
食物和药品管理局申请批准
Another treatment option that is being researched
另外一种疗法是
is the food allergy herbal formula.
采用植物配方
This herb blend contains 9 Chinese herbs
这种植物配方中包括9种中草药
and has been shown to block anaphylactic symptoms
在对老鼠进行的临床试验中
and provide protection against symptoms of
在抑制花生过敏的过敏性反应
peanut allergy in a clinical study performed on mice.
方面效果显著
The FDA has recently approved the application
食物和药品管理局最近批准了这项申请
and a Phase I clinical trial will soon be underway.
一期临床试验即将开始
In summary, food allergies are an autoimmune response
总结下来，食物过敏是一种自身免疫反应
that is often mistaken for food intolerance.
经常被误认为是食物不耐症
Research and reporting has found that peanut allergy
研究及报告显示尤其是
in particular appears to be increasing and theories
花生过敏的数量一直在增加
as to why this is happening are still being examined.
而这其中的原因还未找到
Genetic, environmental and immunological influences
人们进行了基因，环境和
are being examined to explain
免疫系统方面的研究来解释食物过敏是
how food allergies develop and many research studies
如何产生发展的，目前仍然有很多实验研究
are underway to find this answer.
正在进行中来寻找答案
Improved diagnosis, allergy management and
成功诊断，过敏管理和患者教育
patient education have improved in recent years
近年来都得到了发展，对食物过敏的人
and foods that elicit allergenic responses
应该远离
should be avoided.
可能引发过敏反应的食物
While a cure is not available numerous
虽然目前没有可行的治愈方法
treatment options are being examined.
但是有很多疗法正处于研究试验阶段
Reading food ingredient lists and asking questions
目前对食物过敏的人来说
about the foods you plan to consume are
最好的方式是阅读食物成分表
currently the best defense for those
以及询问你要吃的食物的
with food allergies.
成分包括什么

视频及简介

视频简介：

本课程的目标是，向公众提供最新的有关营养方面的信息和话题，内容涵盖饮食因素对于癌症的影响作用，健康的饮食习惯，学校能提供的营养有哪些，咖啡因与癌症的联系，水果蔬菜与癌症预防等。通过本课程的学习，人们可以学习到健康的生活饮食习惯，在每天的饮食中防癌症于未然