RE: Immatics US, Inc. phase 3 trial using Parsortix must be this one>>10 Sep 2025 12:15
Https://immatics.com/clinical-trials/
https://clinicaltrials.gov/study/NCT06743126
A protein that is expressed, so Parsortix neeed.
A.I PRAME.
PRAME, an acronym for "PReferentially expressed Antigen in Melanoma," is a tumor-associated antigen that is preferentially found in melanomas and other cancers, but normally only in specific tissues like the testes, ovaries, and placenta. It is a cancer-testis antigen (CTA) known for playing a role in cancer cell proliferation, metastasis, and apoptosis. PRAME also serves as a potential diagnostic marker, a prognostic indicator in some cancers, and a target for cancer immunotherapy.
Key Characteristics
Tumor Antigen:
PRAME is a protein that is expressed more frequently on cancer cells, particularly melanomas, than in normal tissues.
Cancer-Testis Antigen (CTA):
It belongs to the family of cancer-testis antigens, which are typically found in germ cells of the reproductive organs but are reactivated in various malignancies.
Cellular Function:
PRAME is involved in processes like cell proliferation, differentiation, and apoptosis (programmed cell death), and its presence can influence cancer progression.
Normal Tissue Expression:
Outside of cancer, its expression is generally restricted to the testes, ovaries, placenta, adrenal glands, and endometrium.
Applications of PRAME
Diagnostic Tool:
Detecting PRAME expression, often through immunohistochemistry (IHC) on tissue samples, helps pathologists diagnose melanocytic lesions and differentiate between benign nevi and malignant melanomas.
Prognostic Indicator:
Elevated PRAME expression can indicate a poor prognosis (worse outcome) in some cancers, though in other malignancies like certain leukemias, it might predict a more favorable outcome.
Immunotherapy Target:
Because it is tumor-specific and can be recognized by the immune system, PRAME is being investigated as a target for new cancer immunotherapies, such as PRAME-based vaccines and therapies that mobilize T-cells to attack cancer cells