All articles starting with L
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Lupulone
Lupulone (beta-lupulic acid, CAS 468-28-0), a C26H38O4 beta-bitter acid from hops (Humulus lupulus), 30-55% of hop beta-acids; poorly water-soluble, non-isomerizing, and a potent antibacterial agent active against MRSA.
Lupus
Lupus, or systemic lupus erythematosus (SLE), is a chronic autoimmune disease affecting skin, joints, kidneys, and other organs, mainly women aged 15 to 44, classified by ANA entry plus weighted 2019 EULAR/ACR criteria and treated with hydroxychloroquine, glucocorticoids, immunosuppressives, and biologics.
Lupus (constellation)
Lupus (Lup) is a southern constellation representing a wolf, one of Ptolemy's 48 constellations, lying between Centaurus and Scorpius; it contains the remnant of SN 1006, the brightest stellar event in recorded history.
Lupus and pregnancy
Lupus and pregnancy (SLE in pregnancy): higher maternal and fetal risks than the general population, driven by active disease, lupus nephritis, and antiphospholipid antibodies; managed with preconception remission, aspirin, and multidisciplinary monitoring.
Lupus anticoagulant
Lupus anticoagulant (LA) is an antiphospholipid antibody, usually IgG against beta2-glycoprotein I or prothrombin, that prolongs clotting tests in vitro yet promotes thrombosis in vivo; it is a key laboratory criterion for antiphospholipid syndrome, detected by dRVVT and aPTT, and easily confounded by anticoagulant drugs.
Lupus anticoagulant-hypoprothrombinaemia syndrome
Lupus anticoagulant-hypoprothrombinaemia syndrome (LAHS, LAHPS) is a rare acquired disorder combining lupus anticoagulant with antibody-mediated factor II deficiency, causing bleeding in 89% of cases, thrombosis in 13%, treated first-line with corticosteroids.
Lupus Complex
The Lupus complex, also called the Lupus clouds, is a nearby group of dark molecular clouds forming low-mass stars in the constellation Lupus, about 150 parsecs away.
Lupus erythematosus
Lupus erythematosus, including systemic lupus erythematosus (SLE), discoid, drug-induced, and neonatal forms, is a chronic autoimmune disease attacking skin, joints, kidneys, and other organs, affecting women about nine to ten times more than men.
Lupus erythematosus panniculitis
Lupus erythematosus panniculitis (LEP, lupus profundus) is a rare chronic cutaneous lupus subtype inflaming subcutaneous fat, causing painful indurated nodules, lipoatrophy, lobular lymphocytic panniculitis with hyaline necrosis, treated first with antimalarials.
Lupus La protein
SSB (La, La/SS-B, LARP3) is a human gene at 2q31.1 encoding a 48-50 kDa RNA-binding protein that protects RNA polymerase III transcripts and is a major autoantigen in Sjögren's syndrome and lupus.
Lupus nephritis
Lupus nephritis is kidney inflammation from systemic lupus erythematosus, diagnosed by biopsy with ISN/RPS classification, treated with glucocorticoids plus MPAA, cyclophosphamide, belimumab, or calcineurin inhibitors per KDIGO 2024.
Lupus SN
Lupus SN is the SIMBAD database name for SN 1006, the remnant of the brilliant supernova of 1006, about 7,000 light-years away in the constellation Lupus.
Luqiao Liu
Luqiao Liu is a physicist and associate professor of electrical engineering at MIT who works on spintronics, known for a 2012 Science paper on the giant spin Hall effect of tantalum.
Luqman (لقمان)
Luqman (لقمان) is a sage mentioned in the Qur'an, to whom God gave wisdom; his admonitions to his son fill Surah Luqman, chapter 31, verses 12–19.
Luque
Luque names two South American municipalities: a farming town of about 7,000 people in Córdoba Province, Argentina, named for Ignacio Luque in 1910, and a city of about 260,000 in Paraguay's Central Department, named for Captain Miguel Antón de Luque.
Lurasidone
Lurasidone (Latuda) is an atypical antipsychotic approved for schizophrenia (2010) and bipolar I depression (2013), dosed 40-160 mg/day with food, with a favorable metabolic profile versus olanzapine and quetiapine.
Luray Caverns
Luray Caverns, also known as Luray Cave, is a commercial show cave in Luray, Virginia, in the Shenandoah Valley, discovered in 1878 and famous for the Great Stalacpipe Organ.
Lurbinectedin
Lurbinectedin (Zepzelca, PM01183), a trabectedin analog DNA minor groove binder inhibiting oncogenic transcription; FDA accelerated approval June 15, 2020 for metastatic SCLC after platinum chemotherapy, plus 2025 atezolizumab maintenance approval.
Lurch (The Addams Family)
Lurch is the towering, mostly silent butler of Charles Addams' Addams Family, famous for "You rang?", first played by 6'9" Ted Cassidy on the 1964 ABC series, later by George Burcea and Joonas Suotamo in Netflix's Wednesday.
Lurcher
Lurcher: a British and Irish type of dog, not a breed, created by crossing a sighthound (Greyhound, Whippet, Saluki) with a Collie, Terrier, or other working breed; historically a poacher's hunting dog, now common in UK rescue.
Lurdes Gloria Manuel
Lurdes Gloria Manuel (b. 12 July 2005, Ostrava), Czech 400m sprinter, club TJ VS Tábor; 2026 World Indoor champion, 2024 World U20 champion, Paris 2024 semifinalist, PB 49.37.
Luren Márquez
Luren Márquez (Luren Leticia Márquez Canales), Peruvian model, TV presenter, and Miss Perú Universo 2026 from Ica; first runner-up Miss Perú 2024, founder of Moda Perú USA, briefly destituted and reinstated in August 2026 before Miss Universe 2026 in Puerto Rico.
Lurene Tuttle
Lurene Tuttle (1907–1986), the First Lady of Radio, was an American character actress famous as Effie Perrine on The Adventures of Sam Spade and Marjorie on The Great Gildersleeve, later a film and TV actress.
Lurg Moor
Lurg Moor Roman fortlet, near Greenock, Inverclyde, Scotland: mid-2nd-century Antonine fortlet and road, scheduled monument SM1653, one of Scotland's best-preserved unexcavated Roman fortlets.
Lurgi gasifier
The Lurgi gasifier is a pressurized, dry-ash, moving-bed coal gasifier developed by Lurgi in Germany in the 1930s, used commercially since 1940 and still operating at Sasol's Secunda complex in South Africa.
Luri language
Luri (لری, lurī) is a group of Southwestern Iranian varieties of the Zagros region, a continuum between Kurdish and Persian, with Northern Lori, Bakhtiari, and Southern Lori, roughly five million speakers.
Lurie Children's Hospital
Ann & Robert H. Lurie Children's Hospital of Chicago, founded 1882 by Julia Foster Porter, is Illinois' largest pediatric Medicaid provider in Streeterville, with 266,000+ patients yearly, Stanley Manne Research Institute, and top U.S. News and Newsweek 2026 rankings.
Lúrio
Lúrio (Rio Lúrio, Lurio River), a roughly 500–593 km river in northern Mozambique draining Niassa, Cabo Delgado, Nampula, and Zambézia; its ~61,000 km² basin is the largest entirely within Mozambique, emptying into Baía do Lúrio.
Lurker
Lurker: a member of an online community who reads regularly but seldom or never posts; also called silent majority. Defined by the Jargon Dictionary, quantified by Nielsen's 90-9-1 participation inequality rule, studied by Nonnecke and Preece.
Lurker (film)
Lurker is a 2025 psychological thriller, the feature debut of Alex Russell (The Bear, Beef), starring Théodore Pellerin and Archie Madekwe; a retail clerk infiltrates a pop star's entourage. MUBI release, Sundance 2025, Spirit Award winner.