All articles starting with S
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SK Innovation
SK Innovation (SK이노베이션) is the South Korean energy and battery holding company of SK Group, combining Korea's largest oil refining business with battery maker SK On.
SK Rapid Wien
SK Rapid Wien (Sportklub Rapid), Austrian record-champion football club from Vienna-Hütteldorf, founded 1897 as a workers' club, renamed Rapid 1899, green-white since 1906, 32 Austrian titles, plays at the Allianz Stadion.
SK Sigma Olomouc
SK Sigma Olomouc, a Czech First League football club from Olomouc founded in 1919, runner-up in 1995/96, Czech Cup winner 2012 and 2025, owned since 2025 by Sigma Sport with a 200-million-CZK budget.
SK Siltron
SK Siltron (SK실트론) is a South Korean semiconductor materials company headquartered in Gumi, founded in 1983, that manufactures silicon and silicon carbide wafers and ranks among the world's top five suppliers.
SK Slavia Prague
SK Slavia Prague (SK Slavia Praha), Czech football club founded 2 November 1892, plays at Fortuna Arena in red-white with a star. 23 league titles, 2025/26 champions, owned by Pavel Tykač since 2023, Sparta Prague its derby rival.
ŠK Slovan Bratislava
ŠK Slovan Bratislava (Belasí), Slovak football club founded 3 May 1919, most successful in Slovakia; only Czechoslovak/Slovak club to win a major UEFA trophy, the 1969 Cup Winners' Cup against Barcelona; plays at Tehelné pole and in the 2026/27 Champions League under Yaya Touré.
SK Square
SK Square Co., Ltd. (SK스퀘어) is a South Korean investment holding company spun off from SK Telecom in 2021, holding about 20 percent of SK hynix.
SK Sturm Graz
SK Sturm Graz, founded 1 May 1909 in Graz's Augarten, is an Austrian Bundesliga football club in black and white, five-time Austrian champion, six-time cup winner, and the only club outside Vienna continuously in the top division since 1966.
SK Telecom (SK텔레콤)
SK Telecom, also known as SK텔레콤, is a South Korean wireless carrier founded in 1984, acquired by SK Group in 1994, and renamed SK Telecom in 1997.
SK-105 Kürassier
The SK-105 Kürassier is an Austrian light tank and tank destroyer, built by Saurer-Werke with a 105 mm gun in an oscillating turret, entering service in 1972.
SK-BR-3
SK-BR-3 (SKBR3), ATCC HTB-30, Cellosaurus CVCL_0033: human breast adenocarcinoma cell line established 1970 from a pleural effusion; HER2-positive, ER/PR-negative standard model for HER2-targeted therapy research.
SK-ES-1
SK-ES-1 (SK-ES-01, CVCL_0627) is a human Ewing sarcoma cell line established in 1971 from an 18-year-old male's bone biopsy at Memorial Sloan Kettering; it carries an EWSR1-FLI1 type 2 fusion and TP53 C176F.
SK-HEP-1
SK-HEP-1 (CVCL_0525, ATCC HTB-52) is a human cancer cell line established in 1971 from ascites of a 52-year-old man with liver adenocarcinoma; long used as a hepatocellular carcinoma model but now shown to be of endothelial origin.
SK-II
SK-II (エスケーツー) is a Japanese luxury skincare brand launched in 1980, owned by Procter & Gamble since 1991 and known for its PITERA ferment ingredient.
SK-LU-1
SK-LU-1 (SKLU01, ATCC HTB-57, Cellosaurus CVCL_0629) is a human lung adenocarcinoma cell line established in 1969; KRAS G12D, CDKN2A-deleted, telomerase-negative and ALT-positive, non-tumorigenic in immunocompromised mice.
SK-MEL-2
SK-MEL-2 (CVCL_0069, ATCC HTB-68) is a human melanoma cell line from a 60-year-old male, established at Memorial Sloan Kettering; NRAS Q61R-mutant, TP53 G245S, NCI-60 panel member.
SK-MEL-23
SK-MEL-23 (CVCL_6027, SKMEL23) is a highly pigmented human cutaneous melanoma cell line from Memorial Sloan Kettering, established from a metastatic lymph node; PTEN-deleted, NRAS wild type, BRAF fusion, used in pigmentation, drug response, and immunotherapy research.
SK-MEL-28
SK-MEL-28 (ATCC HTB-72) is a human melanoma cell line established in 1975 from a 51-year-old male, homozygous BRAF V600E with wildtype NRAS, tumorigenic in nude mice, and a standard melanoma research model alongside A-375.
SK-MEL-5
SK-MEL-5 (CVCL_0527, ATCC HTB-70) is a human melanoma cell line established in 1974 from a metastatic axillary lymph node of a 24-year-old woman, carrying BRAF V600E and a CDKN2A deletion, used in NCI-60 drug screening and immunology research.
SK-MES-1
SK-MES-1 (SK MES 1, CVCL_0630, ATCC HTB-58) is a human lung squamous cell carcinoma cell line established in 1970 from a pleural effusion of a 65-year-old man at Memorial Sloan Kettering by Old and Trempe; epithelial, adherent, TP53-mutant.
SK-N-AS
SK-N-AS (ATCC CRL-2137, Cellosaurus CVCL_1700) is a human neuroblastoma cell line established in 1981 from a bone marrow metastasis in a 6-year-old girl; non-MYCN-amplified, IGF-II-producing, S-type, tumorigenic in nude mice.
SK-N-BE(2)
SK-N-BE(2) (CVCL_0528, ATCC CRL-2271) is a human neuroblastoma cell line established in 1972 from a bone marrow metastasis in a male child; MYCN-amplified, 1p-loss, 17q-gain, with sublines SK-N-BE(2)-C and BE(2)-M17.
SK-N-BE(2)-C
SK-N-BE(2)-C (BE2C, CVCL_0529, ATCC CRL-2268) is a clonal subline of the SK-N-BE(2) human neuroblastoma cell line, MYCN-amplified with a TP53 C135F mutation, I-type phenotype, derived from a 1972 bone marrow metastasis.
SK-N-MC
SK-N-MC (ATCC HTB-10, CVCL_0530) is a human cell line established in 1971 from a supra-orbital metastasis of an Askin tumor; long mislabeled neuroblastoma, it is an Ewing sarcoma line carrying EWS-FLI1.
SK-N-SH
SK-N-SH (CVCL_0531, ATCC HTB-11) is a human neuroblastoma cell line established in 1970 from the bone marrow metastasis of a four-year-old girl at Memorial Sloan Kettering; parent of SH-SY5Y and SH-EP, with ALK F1174L and NRAS Q61K mutations.
SK-OV-3
SK-OV-3 (SKOV3), human ovarian cancer cell line, CVCL_0532, ATCC HTB-77, established 1973 at Memorial Sloan Kettering from ascites of a 64-year-old woman; epithelial, drug-resistant, most cited ovarian cancer line but a poor HGSOC model, likely clear cell origin.
SK2 study
STRONG Kids 2 (SK2) is a University of Illinois Urbana-Champaign birth cohort study (NCT03341858) following 468 mother-child pairs from 2013 to examine biology, family, and child care influences on early childhood diet and weight trajectories.
SK8 the Infinity
SK8 the Infinity (SK∞ エスケーエイト) is a 2021 original Bones sports anime directed by Hiroko Utsumi, set in Okinawa's secret "S" downhill skate races, following Reki and snowboarder-turned-skater Langa, with an OVA and season 2 announced.
Sk8er Boi
"Sk8er Boi" is a 2002 pop-punk song by Canadian singer Avril Lavigne, the second single from her debut album Let Go, co-written with The Matrix.
Sk8star
Sk8star, stage name of J'Corey King (born 2004), Macon-raised Atlanta rapper and ØWay member; 2026 Island debut Designer Junkie (2.5M first-week streams), The Beautiful Rebellion EP, and Slime Language 3 appearances.