JERUSALEM: Israeli researchers have developed a method that makes cancer cells to self-produce toxins and thus 'commit suicide', Tel Aviv University (TAU) in central Israel said in a statement on Sunday, reported Xinhua.
In a study published in the journal Theranostics, TAU researchers "for the first time in the world" encoded a toxin produced by bacteria into messenger RNA (mRNA) molecules and delivered these particles directly to cancer cells, the statement added.
As a result, the cancer cells produced the same toxin, as they were the bacteria itself, eventually killing them with a success rate of up to 60 per cent.
The idea was to deliver safe mRNA molecules encoded for a bacterial toxin directly to the cancer cells, unlike chemotherapy treatments, which are not selective and also kill healthy cells.
In experiments, the team first encoded the genetic information of the toxic protein produced by pseudomonas bacteria into mRNA molecules.
These molecules were then packaged in lipid nanoparticles and coated with antibodies to ensure that the "recipe" instructions for producing the toxin would reach the cancer cells.
The particles were injected into the tumours of mice with melanoma skin cancer, and after one injection, 44 to 60 per cent of the cancer cells disappeared.
The researchers noted that the new method may be used with many anaerobic bacteria that secrete toxins, especially those that live in the ground and may treat many types of cancer.
Moreover, cancer cells can't develop resistance to the method as often happens with chemotherapy because it is always possible to use a different natural toxin, they concluded.
-- BERNAMA
Bernama
Mon Jul 03 2023
In experiments, the team first encoded the genetic information of the toxic protein produced by pseudomonas bacteria into mRNA molecules. - Photo for illustrative purposes only/AFP Relax/Filepic
Ringgit dibuka rendah berbanding dolar AS
Ringgit dibuka rendah berbanding dolar AS hari ini kerana sentimen pasaran telah dipengaruhi oleh komen-komen daripada pegawai Rizab Persekutuan Amerika Syarikat.
KDNFC nafi peletakan jawatan Timbalan Presiden, CEO kerana isu gaji pemain
Kelantan Darul Naim FC (KDNFC) menafikan peletakan jawatan Timbalan Presiden KDNFC Datuk Zamri Ismail dan Ketua Pegawai Eksekutif Wan Mohd Zul Ikman adalah disebabkan isu pembayaran gaji pemain.
Bursa Malaysia dibuka rendah berikutan aktiviti ambil untung
Bursa Malaysia dibuka rendah hari ini berikutan aktiviti pengambilan untung susulan prestasi positifnya semalam serta menjejaki prestasi semalaman Wall Street.
Urus niaga mencurigakan, tiada keperluan mendesak jual pegangan MAHB - Radzi Jidin
Beliau mempersoalkan tindakan kerajaan yang dilihat terlalu gelojoh untuk mengeluarkan MAHB daripada Bursa Malaysia.
[TERKINI] PM sampaikan Perutusan Negara malam ini
Astro AWANI akan membawakan siaran langsung komprehensif bersama pakar bermula pukul 8.30 malam.
Dua pegawai penguat kuasa direman empat hari
Dua pegawai penguat kuasa sebuah badan beruniform direman empat hari bermula hari ini bagi membantu siasatan kes meminta dan menerima rasuah lebih RM23,000.
Thailand umum rancangan jadi hab penerbangan Asia Pasifik
Pihak Berkuasa Penerbangan Awam Thailand (CAAT) mengumumkan rancangan tiga peringkatnya untuk menjadi hab penerbangan di rantau ini. Ia bakal meningkatkan kapasiti pengembara udara kepada 270 juta orang setahun menjelang 2037 dan menjadi antara lima negara teratas dalam logistik udara di Asia-Pasifik .
Helikopter terhempas: Kim Jong Un ucap takziah kepada Iran
Kematian Raisi disifatkan sebagai 'kehilangan besar' kepada Iran.
Liga Super: JDT catat kehadiran penyokong tertinggi perlawanan kedua
JDT menerima kunjungan Negeri Sembilan di Stadium Sultan Ibrahim dan menyaksikan tuan rumah berjaya melakar kemenangan 3-1.
'Bahang' iklim amat ketara di Asia, apa tindakan kita?
Pakar dari Institut Meteorologi Royal Netherlands, Carolina Pereira Marghidan menekankan penyampaian maklumat lebih berkesan menggunakan teknologi terkini segera diguna pakai dalam mendepani isu perubahan iklim yang semakin merosot sehingga menjejaskan kesejahteraan manusia.
Ia susulan kajian saintis serta pakar kumpulan World Weather Attibution (WWA) baru-baru ini mendedahkan bahawa Asia jadi benua paling ketara menerima kesan perubahan iklim dengan purata suhu ekstrem 40 darjah celsius di kebanyakkan kawasan, manakala suhu tertinggi 46 darjah celsius direkodkan di India pada bulan April. Ayuh bertindak! Kita #JagaBumi
#HariBiodiversitiSedunia #AWANIGreenAction
Ia susulan kajian saintis serta pakar kumpulan World Weather Attibution (WWA) baru-baru ini mendedahkan bahawa Asia jadi benua paling ketara menerima kesan perubahan iklim dengan purata suhu ekstrem 40 darjah celsius di kebanyakkan kawasan, manakala suhu tertinggi 46 darjah celsius direkodkan di India pada bulan April. Ayuh bertindak! Kita #JagaBumi
#HariBiodiversitiSedunia #AWANIGreenAction