Definition

Noun: * Human T-lymphotropic virus 1: A specific type of retrovirus known to infect a type of white blood cell called T-lymphocytes (T-cells). It is the causative agent of a rare and aggressive cancer known as adult T-cell leukemia/lymphoma (ATLL).

Usage Examples

• Noun:
  • HTLV-1 is endemic in certain regions of Japan, the Caribbean, and Central Africa.
  • The patient was diagnosed with a disease associated with HTLV-1 infection.
  • Research into HTLV-1 has provided important insights into viral oncology.

Advanced Usage

• "HTLV-1 seropositivity": A term used in medical diagnostics to indicate that a person's blood has tested positive for antibodies against the HTLV-1 virus, signifying exposure or infection.
  • Screening for HTLV-1 seropositivity is recommended in blood donors from endemic areas.
• "HTLV-1 provirus": Refers to the genetic material of the virus after it has integrated into the DNA of an infected host cell.
  • The level of HTLV-1 provirus in the blood can be measured.

Variants and Related Words

• HTLV (Human T-lymphotropic virus): The broader family of viruses, which includes HTLV-1 and the related HTLV-2.
• ATLL (Adult T-cell leukemia/lymphoma): The primary disease caused by HTLV-1.
• Retrovirus: The category of virus to which HTLV-1 belongs, characterized by using RNA as its genetic material and reverse transcription to replicate.

Synonyms

• Human T-cell leukemia virus type 1: An alternative, less common name.
• Human T-lymphotropic virus type I: A formal variant spelling.

Notes on Meaning

This term is highly specific to the fields of virology and medicine. It refers exclusively to this particular virus and is not used in general language. The name is an acronym, and it is standard to write it in uppercase (HTLV-1).

Noun

1. retrovirus causing T-cell leukemia