New Way to Fight Cancer Using Old Vaccines
New Way to Fight Cancer Using Old Vaccines
利用舊疫苗對抗癌症的新方法
Introduction
Scientists found a way to use old vaccines to kill cancer cells.
科學家發現了一種利用舊疫苗來殺死癌細胞的方法。
Main Body
Some medicines for cancer do not work because the body does not see the cancer. Scientists made a special virus. This virus finds cancer cells and marks them. It uses a part of a malaria vaccine to tell the body to attack the cancer.
有些癌症藥物之所以沒有效果，是因為身體無法偵測到癌症。科學家研發了一種特殊的病毒，這種病毒能尋找癌細胞並將其標記。它利用瘧疾疫苗的一部分，告知身體去攻擊癌症。
They tested this on 60 mice with cancer. Some mice got the malaria vaccine and the new virus. 44 percent of these mice had no more cancer after one year. These mice lived longer than others.
他們在 60 隻患癌小鼠身上進行了測試。部分小鼠接種了瘧疾疫苗和這種新病毒。一年後，這些小鼠中有 44% 不再患有癌症，且這些小鼠的壽命比其他小鼠更長。
This method is good because the virus travels through the whole body. Doctors do not need to put the medicine inside the tumor. This helps when cancer spreads to other parts of the body.
這個方法的優點在於病毒能遍布全身。醫生不需要將藥物直接注入腫瘤內，這對於癌症擴散到身體其他部位的情況非常有幫助。
Scientists can use other vaccines too. They can use vaccines for the flu or COVID-19. Now, the team is talking to the government. They want to start tests on people next year.
科學家也可以使用其他疫苗，例如流感疫苗或 COVID-19 疫苗。目前該團隊正與政府洽談，希望明年能開始進行人體試驗。
Conclusion
This new method uses old vaccines to kill cancer. Doctors want to test it on humans soon.
這種新方法利用舊疫苗來殺死癌症。醫生希望能儘快在人類身上進行測試。
Vocabulary Learning
🧩 Action Words: The 'Simple Present'
Look at these sentences from the text:
- The virus finds cancer cells.
- The virus travels through the body.
The Pattern: When we talk about one thing (the virus/it), we add an -s to the action word.
- I find It finds
- I travel It travels
- I use It uses
💡 Useful Word Pairs
In English, some words always work together. In this text, we see:
- Fight Cancer (To stop a sickness)
- Start Tests (To begin a check)
- Spread Body (To move to different places)
📏 Comparing Things
"These mice lived longer than others."
To compare two things, we often add -er to the word and use than.
- Long Longer than
- Fast Faster than
- Small Smaller than
Vocabulary Learning
Using Modified Viruses to Turn Vaccine Immunity Against Cancer
利用改造病毒將疫苗免疫力轉向對抗癌症
Introduction
Researchers have created a new method using engineered phages to redirect the immune system's memory from old vaccinations to find and destroy cancer cells.
研究人員開發了一種新方法，利用工程噬菌體將免疫系統的記憶從舊有疫苗重新導向，以尋找並摧毀癌細胞。
Main Body
A major problem with current cancer immunotherapy is that the immune system often fails to recognize tumors as targets. To solve this, scientists from Imperial College London modified a phage usually found in E. coli. This change allows the phage to attach specifically to certain proteins found in tumor cells but rarely in healthy tissue. Furthermore, the phage was designed to carry a malaria antigen, which acts as a signal to alert the immune system.
目前癌症免疫療法的一個主要問題在於免疫系統經常無法將腫瘤識別為目標。為了克服這一點，倫敦帝國學院的科學家修改了一種通常存在於大腸桿菌中的噬菌體。這種改變使得噬菌體能專門黏附在腫瘤細胞中存在、但健康組織中罕見的特定蛋白質上。此外，該噬菌體被設計為攜帶瘧疾抗原，作為提醒免疫系統的訊號。
In a study with 60 mice with tumors, one group received both a malaria vaccine and six injections of these engineered phages. This group showed a 44 percent tumor removal rate with no return of the disease for one year, and they lived longer than the other groups. David Withers from the University of Oxford emphasized that this method is better than some other viruses because it can be injected into the bloodstream, whereas other treatments require direct injection into the tumor, making them less effective for cancer that has spread.
在一項針對 60 隻患有腫瘤小鼠的研究中，其中一組同時接受了瘧疾疫苗和六次工程噬菌體注射。該組顯示出 44% 的腫瘤清除率，且一年內未復發，且壽命比其他組更長。牛津大學的 David Withers 強調，這種方法比其他某些病毒更好，因為它可以注入血液，而其他療法需要直接注射到腫瘤中，這使得它們對已擴散的癌症效果較差。
Regarding future use, Amin Hajitou stated that this method is not limited to malaria antigens. Because it uses existing immune memory, vaccines for influenza or COVID-19 could potentially be used in a similar way. Consequently, the research team is now talking with the UK's Medicines and Healthcare Products Regulatory Agency (MHRA) to start human clinical trials next year.
關於未來應用，Amin Hajitou 表示此方法並不限於瘧疾抗原。由於它利用現有的免疫記憶，流感或 COVID-19 疫苗也可能以類似方式使用。因此，研究團隊目前正與英國藥品及醫療產品監管局 (MHRA) 洽談，計劃於明年開始人類臨床試驗。
Conclusion
The study shows that using phages to trigger existing vaccine immunity can effectively destroy tumors, and human trials are now being planned.
研究顯示，利用噬菌體觸發現有的疫苗免疫力能有效摧毀腫瘤，目前正計劃進行人類試驗。
Vocabulary Learning
🚀 THE B2 LEAP: From 'Simple Links' to 'Logical Flow'
At the A2 level, you probably use and, but, and because to connect your ideas. To reach B2, you need Transition Signals. These are words that tell the reader exactly how two ideas relate, making your English sound professional and academic.
🔍 The 'Connective' Upgrade
Look at these specific phrases from the text. They do the same job as simple words, but with more precision:
| A2 Simple Word | B2 Upgrade (From Text) | Why it's better |
|---|---|---|
| Also | Furthermore | It adds a new, important point to a list of facts. |
| So | Consequently | It shows a direct result of a scientific discovery. |
| But | Whereas | It compares two opposite things in one single sentence. |
🛠️ How to use them in real life
1. The 'Furthermore' Stack Instead of saying: "The car is fast. And it is cheap," Try: "The car is fast; furthermore, it is affordable."
2. The 'Whereas' Balance Instead of saying: "I like tea. But my brother likes coffee," Try: "I prefer tea, whereas my brother prefers coffee."
3. The 'Consequently' Result Instead of saying: "It rained. So the game stopped," Try: "It rained heavily; consequently, the game was cancelled."
💡 Coach's Tip: Don't use these in every sentence! Use them when you want to guide the reader through a complex argument. This is the secret to sounding 'fluent' rather than just 'correct'.
Vocabulary Learning
Utilization of Genetically Modified Bacteriophages to Redirect Vaccine-Induced Immunity Toward Malignant Neoplasms.
利用基因改造噬菌體將疫苗誘導的免疫力導向惡性腫瘤
Introduction
Researchers have developed a method to employ engineered phages to redirect the immune system's memory from previous vaccinations to target and eliminate cancer cells.
研究人員開發了一種方法，利用工程化噬菌體將免疫系統對先前疫苗接種的記憶，重新導向以針對並消滅癌細胞。
Main Body
The current limitations of immunotherapy pertain primarily to the difficulty of ensuring the immune system identifies tumors as legitimate targets. To address this, researchers from Imperial College London modified a phage typically associated with E. coli. This genetic reconfiguration enables the phage to bind specifically to αvβ3 and αvβ5 integrins, proteins prevalent in tumor cells but scarce in healthy tissue. Furthermore, the phage was engineered to deliver a malaria-specific antigen, effectively serving as a delivery mechanism to signal the immune system.
目前免疫療法的限制主要在於難以確保免疫系統將腫瘤識別為合法目標。為了解決這個問題，倫敦帝國學院的研究人員改造了一種通常與大腸桿菌相關的噬菌體。這種基因重新配置使噬菌體能夠專門結合 αvβ3 和 αvβ5 整合蛋白，這些蛋白質在腫瘤細胞中普遍存在，但在健康組織中則很少見。此外，該噬菌體被設計為傳遞瘧疾特異性抗原，有效地作為一種傳遞機制來向免疫系統發出訊號。
In a controlled study involving 60 murine subjects with subcutaneous tumors, a cohort of 15 received both a malaria vaccine and six systemic injections of the engineered phages. This experimental group demonstrated a 44 percent tumor eradication rate with no recurrence over one year, while also exhibiting increased longevity compared to control groups. David Withers of the University of Oxford noted that systemic administration offers a significant advantage over oncolytic viruses, which necessitate direct intratumoral injection and are therefore suboptimal for treating metastatic disease.
在一項涉及 60 隻患有皮下腫瘤小鼠的對照研究中，其中 15 隻組成的一組同時接種了瘧疾疫苗並接受六次系統性工程噬菌體注射。該實驗組顯示出 44% 的腫瘤根除率，且一年內未復發，與對照組相比，壽命也有所增加。牛津大學的 David Withers 指出，系統性給藥比溶瘤病毒具有顯著優勢，因為後者需要直接在腫瘤內注射，因此在治療轉移性疾病方面並非最佳選擇。
Regarding future scalability, Amin Hajitou indicated that the methodology is not restricted to malaria antigens. The exploitation of pre-existing immune memory suggests that vaccines for influenza or COVID-19 could be similarly leveraged. Consequently, the research team is currently engaged in consultations with the UK's Medicines and Healthcare Products Regulatory Agency (MHRA) to facilitate early-stage human clinical trials, projected to commence next year.
關於未來的擴展性，Amin Hajitou 表示，該方法並不限於瘧疾抗原。利用既有免疫記憶的做法表明，流感或 COVID-19 疫苗也可以被類似地利用。因此，研究團隊目前正與英國藥品及醫療產品管理局 (MHRA) 進行磋商，以促進早期人類臨床試驗，預計將於明年開始。
Conclusion
The study demonstrates the potential for systemic phage-based delivery to eradicate tumors by utilizing existing vaccine immunity, with human trials currently under regulatory review.
該研究證明了利用既有疫苗免疫力的系統性噬菌體傳遞具有根除腫瘤的潛力，目前人類試驗正處於監管審查階段。
Vocabulary Learning
The Architecture of 'Precision Density' in Scientific English
To transition from B2 (competence) to C2 (mastery), a student must move beyond simple vocabulary expansion and enter the realm of Lexical Density and Nominalization. The provided text is a masterclass in compacting complex causal chains into single noun phrases.
◈ The 'Precision Pivot': Nominalization
Observe the phrase: "The exploitation of pre-existing immune memory suggests..."
- B2 Approach: "Researchers can use the fact that the immune system remembers previous vaccines, and this suggests..."
- C2 Mastery: The author transforms the action (exploit) into a noun (exploitation). This is not merely 'formal'; it shifts the focus from the agent (the researcher) to the concept (the exploitation).
C2 Logic: By using nouns as the subjects of sentences, you create an objective, authoritative tone that allows you to stack modifiers without losing grammatical stability.
◈ The Semantic Gradient of 'Precision Verbs'
Notice the ability to distinguish between degrees of 'use'. The text employs a hierarchy of verbs to avoid repetition and enhance specificity:
- Employ Methodical use ("employ engineered phages")
- Utilize Pragmatic application for a specific purpose ("utilizing existing vaccine immunity")
- Leverage Using an existing asset to gain a strategic advantage ("could be similarly leveraged")
At the C2 level, 'use' is too generic. Mastery is found in choosing the verb that describes the nature of the utility.
◈ Syntactic Compaction: The Modified Noun Phrase
Analyze this structure: "...systemic phage-based delivery to eradicate tumors..."
This is a four-layer modifier chain:
[Adjective: Systemic] $\rightarrow$ [Compound Adj: Phage-based] $\rightarrow$ [Noun: Delivery]
Instead of saying "delivery that uses phages and is administered throughout the system," the author collapses the entire process into a single subject. This is the hallmark of academic C2 English: the ability to treat a complex process as a single object.