All articles starting with R
22,461 articles
Regulatory agency
Regulatory agency: a statutory public authority, also called an independent regulator, that writes binding rules, monitors compliance, and enforces sanctions in sectors like finance, telecoms, and environment; first modern example the ICC (1887).
Regulatory B cell
Regulatory B cells (Bregs, B10 cells) are IL-10-producing B lymphocytes that suppress inflammatory immune responses in autoimmunity, infection, transplantation, and cancer, defined by function rather than unique surface markers.
Regulatory capture
Regulatory capture, also known as agency capture, is when a regulator serves private industry interests at the expense of the public, a theory formalized by George Stigler in 1971.
Regulatory chondrocyte
Regulatory chondrocyte (RegC), a chondrocyte subtype found by single-cell RNA sequencing of human cartilage; marked by CFH, LUM, DCN, CHI3L1/2; enriched in signalling and anti-inflammatory genes; implicated in cartilage homeostasis and osteoarthritis.
Regulatory compliance
Regulatory compliance is an organization's adherence to applicable laws, regulations and supervisory expectations. Also called compliance management or GRC compliance, it spans ISO 37301 systems, risk-based enforcement, DOJ corporate programs, and EU AI Act timelines.
Regulatory epitranscriptomics of rRNA and small RNAs
Regulatory epitranscriptomics of rRNA and small RNAs studies chemical modifications on ribosomal RNA, snRNAs, snoRNAs, and miRNAs, and evidence that these modifications are dynamically regulated.
Regulatory impact assessment
A regulatory impact assessment (RIA) is a policy analysis that weighs the costs and benefits of proposed regulations and non-regulatory alternatives before a government adopts a legal text.
Regulatory protein RecX
RecX is a bacterial SOS-induced protein that negatively regulates the RecA recombinase, capping RecA filaments to block extension and promote disassembly, antagonized by DinI; found downstream of recA in many bacteria.
Regulatory protein RepA, RSF1010-type
RepA, RSF1010-type (InterPro IPR038724) is the hexameric 5'-to-3' replicative DNA helicase of the IncQ plasmid RSF1010, a 29,896-Da-subunit ATP-fueled motor that, with RepB' primase and RepC initiator, drives host-independent plasmid replication.
Regulatory T cell
Regulatory T cell (Treg, FOXP3+CD4+CD25+): suppressive CD4+ T cell maintaining immune tolerance; discovered by Sakaguchi 1995, Foxp3 identified 2001; 2025 Nobel Prize; first approved Treg therapy Tregzi (2026).
Regulbium
Regulbium (Reculver Roman Fort), a Saxon Shore fort at Reculver, Kent, built early 3rd century AD, 180 by 175 m, guarding the Wantsum Channel; garrisoned per the Notitia Dignitatum; half lost to coastal erosion.
Regulon
Regulon: a set of genes or operons controlled by one regulatory protein or transcription factor; distinct from a stimulon; includes sigma-factor, RpoS, and eukaryotic regulons.
Regulus
Regulus, also known as Alpha Leonis, is the brightest star in the constellation Leo and the nearest B-type star to the Sun, about 79 light-years away in a four-star system.
Regulus (animal)
Regulus (kinglets and crests), genus Regulus Cuvier 1800, family Regulidae, tiny crested insectivorous songbirds including goldcrest R. regulus, firecrests, and golden-crowned kinglet R. satrapa.
Regurgitation (digestion)
Regurgitation (digestion): effortless return of gastric contents or recently ingested food to the mouth, a typical GERD symptom alongside heartburn, distinct from vomiting and from rumination syndrome, and mimicked by achalasia and gastroparesis.
Rehab (Amy Winehouse song)
"Rehab" is a 2006 song by Amy Winehouse, the first single from Back to Black, written about her refusal to enter rehabilitation for alcohol abuse.
Rehabilitation (penology)
Rehabilitation (penology): treatment, education, and behavioral programs in corrections aimed at reducing recidivism. Key framework is Risk-Need-Responsivity; meta-analyses find positive treatment effects versus punitive sanctions.
Rehabilitation Centers
Rehabilitation centers (MeSH D012047) are health facilities providing programs for rehabilitating mentally or physically disabled people, offering medical, psychosocial, and vocational services in inpatient and outpatient hospital and community settings worldwide.
Rehabilitation of deported peoples
The rehabilitation of deported peoples was the Soviet process, begun after Stalin's death in 1953, that lifted restrictions on deported ethnic groups and allowed most to return to their homelands.
Rehabilitation of Speech and Language Disorders
Rehabilitation of speech and language disorders, also called speech and language therapy, helps people with speech or language disorders communicate; covers history, settings, evidence, and technology.
Rehabilitation of Yue Fei
The rehabilitation of Yue Fei (岳飞昭雪) was the Song dynasty court's posthumous reversal of the treason case against the general Yue Fei, beginning in 1162 under Songxiaozong.
Rehabilitation robotics
Rehabilitation robotics: medical robots with actuated applied parts that deliver therapy, assessment, or assistance after stroke and spinal cord injury. Also called robot-assisted rehabilitation; device classes include exoskeletons, end-effectors, and exosuits.
Reham Khan
Reham Khan (Reham Nayyar Khan, ریحام نیئر خان), born 1973 in Ajdabiya, Libya, is a British-Pakistani journalist, BBC South alumna, Pakistani TV host, Janaan producer, 2018 memoirist, and founder of the Pakistan Republic Party.
RehaMS trial
RehaMS (NCT04294979) is a completed single-group Italian trial at IRCCS San Raffaele Roma testing a 6-week intensive exercise program in MS (EDSS 4.5-6.5), measuring EDSS, MSFC, immune markers, vagal HRV, and TMS synaptic measures.
Rehan Ahmed
Rehan Ahmed (born 2004, Nottingham) is an English leg-spinning all-rounder, England's youngest men's Test cricketer at 18 years 126 days, who took 5-48 on Test debut in Karachi in 2022 and has played all three formats.
Rehash (band)
Rehash (band) refers to several unrelated groups: a South Florida indie rock band formed 2023 by Renzo Valdez and Sebastian Gamez (albums Rehash, Mourning Star, mock), a Sheffield alternative band active from 2015, and Antwerp's Rehash Neu Klang.
Rehavam Ze'evi (רחבעם זאבי)
Rehavam Ze'evi (רחבעם זאבי), known as Gandhi, 1926-2001, Israeli major general, founder of the Moledet transfer party, Tourism Minister assassinated by the PFLP in Jerusalem in 2001.
Rehearsals for a Revolution (خاطرات ایران)
Rehearsals for a Revolution (خاطرات ایران, Khateraat-e Iran) is a 2026 documentary by Pegah Ahangarani tracing 40-plus years of Iranian history through five family portraits; it won Cannes' L'Œil d'Or and is the UK's Oscar submission.
Reheating (cosmology)
Reheating is the epoch at the end of cosmic inflation in which the energy of the inflaton field converts into particles and radiation, producing the hot Big Bang plasma.
Rehion Podillia
Podillia (Podolia, Поділля) is a historical-geographical upland region of southwestern Ukraine between the Dnister and Boh rivers, known by name since the mid-14th century and divided historically among Polish, Lithuanian, Ottoman, Austrian, and Russian rule.