AN experimental blood test that detected Parkinson’s disease in a preliminary study could become the first specific tool for diagnosing the devastating neurodegenerative condition, researchers said.
The test, which looks for cell damage associated with the disease, is years away from being commercially available. If its reliability is confirmed in future trials, the test would allow doctors to diagnose the condition earlier and start therapies sooner, before nervous system damage worsens, the researchers said.
“Currently, Parkinson’s disease is diagnosed largely based on symptoms, when patients already have significant neurological damage,” said study leader Laurie Sanders of Duke School of Medicine in Durham, North Carolina.
The new blood test measures DNA damage in mitochondria, the structures inside cells that generate energy for cellular functions. Mitochondrial DNA damage is known to be associated with Parkinson's disease.
The test showed greater damage in blood cells from patients with Parkinson’s compared to people without the disease, researchers reported in Science Translational Medicine.
It also found elevated DNA damage in people with a genetic mutation called LRRK2 that increases the risk for Parkinson’s disease, even in the absence of symptoms, they said.
Presently, drugs for Parkinson’s disease only help control symptoms. Sanders said she hopes that along with diagnosing Parkinson’s, the new test will help identify drugs that can reverse or halt mitochondrial DNA damage and the disease process, as well as patients who could benefit from those drugs.
Several companies including Abcam and Biogen with partner Denali Therapeutics are testing such experimental treatments.
"A new blood-based diagnostic test would be a major advancement for Parkinson’s disease, which afflicts 10 million people worldwide and is the second most common neurodegenerative disease after Alzheimer's," the researchers said.
Going forward, the researchers plan to test the diagnostic in samples from high-risk individuals who have not yet developed symptoms.
Reuters
Fri Sep 01 2023
![Blood test for Parkinson's disease promising in early study Blood test for Parkinson's disease promising in early study](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-03/71678116192_blood.jpg)
The new blood test measures DNA damage in mitochondria, the structures inside cells that generate energy for cellular functions. - UNSPLASH
![SUKMA 2024: Sepak takraw wanita mungkin digugurkan SUKMA 2024: Sepak takraw wanita mungkin digugurkan](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/61720679430_AbdulKarimRahman.jpg)
SUKMA 2024: Sepak takraw wanita mungkin digugurkan
Sepak takraw wanita berpasukan berkemungkinan akan digugurkan daripada senarai acara temasya Sukan Malaysia (SUKMA) 2024 berikutan jumlah penyertaan kurang daripada jumlah minimum yang ditetapkan.
10 Berita Pilihan - (16 Julai 2024)
Antara pelbagai berita dalam dan luar negara yang disiarkan di Astro AWANI, berikut adalah yang paling menjadi tumpuan sepanjang hari ini.
![Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-12/41702437730_maut.jpg)
Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok
Enam orang ditemukan maut di sebuah hotel di Bangkok, Thailand pada Selasa laporan media tempatan yang memetik polis Bangkok.
AWANI 7:45 [16/07/2024] - Suspek dibawa ke lokasi | Selamat tinggal rakyat Malaysia | Harimau Malaya hilang taring?
- Polis sahkan suspek bunuh Kartini anggota polis.
- Pan-Gon enggan dedah punca letak jawatan.
- Faisal Halim sedih mentor Pan-Gon undur diri.
- Pakai reben putih di Parlimen, tak salah.
- Pan-Gon enggan dedah punca letak jawatan.
- Faisal Halim sedih mentor Pan-Gon undur diri.
- Pakai reben putih di Parlimen, tak salah.
![Najib fail permohonan di mahkamah rayuan cabar Titah Adendum Najib fail permohonan di mahkamah rayuan cabar Titah Adendum](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-05/71683779541_TBNAJIBRAZAK.jpg)
Najib fail permohonan di mahkamah rayuan cabar Titah Adendum
Berdasarkan sistem e-filing mahkamah, rayuan itu telah ditetapkan untuk pengurusan kes pada 7 Oktober ini.
![Pangsapuri mewah bernilai RM1 juta menanti pemenang emas Olimpik Pangsapuri mewah bernilai RM1 juta menanti pemenang emas Olimpik](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/51721138010_HannahYeoh.jpg)
Pangsapuri mewah bernilai RM1 juta menanti pemenang emas Olimpik
Hannah Yeoh berkata Jawatankuasa RTG telah menerima tawaran daripada pemaju hartanah, Top Residency, yang berminat untuk menghadiahkan pemenang pingat emas pertama.
![E-sukan harus dijadikan kepentingan sehingga ke peringkat lebih tinggi E-sukan harus dijadikan kepentingan sehingga ke peringkat lebih tinggi](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/61721128633_MohdHidayatMohdSa.jpg)
E-sukan harus dijadikan kepentingan sehingga ke peringkat lebih tinggi
Kerajaan juga harus wujudkan sebuah dasar yang jelas supaya kepentingan e-sukan ini mampu diperkembangkan ke masa hadapan.
![Kerajaan pandang serius penularan ideologi liberalism, pluralism Kerajaan pandang serius penularan ideologi liberalism, pluralism](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/61721122322_ZulkifliHasan.jpg)
Kerajaan pandang serius penularan ideologi liberalism, pluralism
Kerajaan sentiasa memandang serius terhadap penularan ideologi dan aliran pemikiran yang bercanggah dengan ajaran Islam seperti ideologi liberalism dan pluralism agama.
![Tidak dapat tidak, atlet RTG mesti bawa pulang emas - MOM Tidak dapat tidak, atlet RTG mesti bawa pulang emas - MOM](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-03/61710754100_MohdNazifuddinNaji.jpg)
Tidak dapat tidak, atlet RTG mesti bawa pulang emas - MOM
Atlet di bawah projek Road To Gold (RTG) tidak mempunyai pilihan selain memenangi emas yang diidam-idamkan Malaysia pada Sukan Olimpik 2024 di Paris.
![KEDA peruntuk RM3.37 juta tahun ini bagi keterjaminan makanan KEDA peruntuk RM3.37 juta tahun ini bagi keterjaminan makanan](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-09/41693913999_RubiahWang.jpg)
KEDA peruntuk RM3.37 juta tahun ini bagi keterjaminan makanan
Lembaga Kemajuan Wilayah Kedah (KEDA) memperuntukkan RM3.37 juta pada tahun ini bagi memastikan keterjaminan makanan negara.
![CES 2019: IBM lancar prototaip 'sensor kuku' bantu pesakit kencing manis CES 2019: IBM lancar prototaip 'sensor kuku' bantu pesakit kencing manis](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/http://img.astroawani.com/2019-01/81546983053_IBMCES.jpg)
CES 2019: IBM lancar prototaip 'sensor kuku' bantu pesakit kencing manis
IBM Research memperkenalkan prototaip 'sensor kuku' pertama, yang boleh mengubah cara menggunakan data klinikal, dengan menggabungkan pembelajaran kecerdasan buatan (AI) dan mesin.