Name: 鯊魚的免疫系統｜當鯊魚攻擊時 (The Shark Immune System | When Sharks Attack)
Uploaded: 2020-11-09T18:15:36.000Z
Duration: 3 min 19 s

NARRATOR: As experts begin to search for other explanations,

當專家們開始尋找其他解釋的時候，

in the months following the June 2012 attacks.

在2012年6月襲擊後的幾個月裡，。

We had some dolphins that washed up already dead.

我們有一些海豚被衝上岸已經死了。

但我們確實聽到了其他州的消息

NARRATOR: In fact, it turns out that over the course of 2013,

解說：事實上，事實證明，在2013年的過程中。

a total of 48 dolphins are found dead on South Carolina beaches.

南卡羅來納州的海灘上共發現48條海豚死亡。

Researchers concluded the dolphins were inflicted

研究人員得出結論，海豚是被害人。

This deadly disease suppresses the dolphin's immune system

這種致命的疾病抑制了海豚的免疫系統。

The result is a bizarre shift in behavior.

swimming in strange patterns, almost like they are drunk.

遊走在奇怪的模式，幾乎像他們喝醉了。

So in 2012, could the sharks of Myrtle Beach

那麼在2012年，桃金娘海灘的鯊魚會不會？

According to Dr. Dan Huber, it comes down

根據Dan Huber博士的說法，它歸結為

對於動物來說，皮膚是最重要的。

the first line of defense against any type

So the skin is part of the immune system, essentially.

所以皮膚本質上是免疫系統的一部分。

Looking at a section of shark skin which shows what

觀察鯊魚皮膚的一部分，它顯示了什麼？

are basically little teeth that make up the scales of a shark.

基本上是構成鯊魚鱗片的小牙齒。

NARRATOR: The denticles perform a unique function

NARRATOR: And there's also another organ that helps

The liver produces a chemical compound called squalamine.

肝臟會產生一種叫做角鯊胺的化學物質。

The squalamine is dispersed inside the shark's cells.

If a virus invades the cells, the squalamine

如果病毒侵入細胞，則角鯊烷胺

prevents it from multiplying so the virus doesn't spread.

防止其繁殖，使病毒不會擴散。

Scientists are even testing squalamine to fight cancer

科學家甚至在測試角鯊烷胺來抗癌

Any suggestion that the sharks could have become ill due

任何建議，鯊魚可能已經生病，由於