All articles starting with P
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Poznan University of Medical Sciences
Poznan University of Medical Sciences (Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu, PUMS), a public medical university in Poznan, Poland; independent since 1950, university since 2007, first Polish school teaching medicine in English (1993).
Pozole
Pozole (posole) is a Mexican hominy soup of nixtamalized cacahuazintle corn simmered with pork or chicken, in white, red, and green regional varieties, finished at the table with lettuce, radish, onion, oregano, chile, and lime, and eaten at September independence festivities.
Pozuelo de Alarcón
Pozuelo de Alarcón, a municipality west of Madrid, Spain; formerly Pozuelo de Aravaca, renamed after its 1632 sale to the Alarcón family. Spain's richest municipality by income per inhabitant, with business parks La Finca and Ciudad de la Imagen.
Pozzolan
A pozzolan is a siliceous material with little cementitious value alone that reacts with calcium hydroxide and water to form cementitious compounds, improving concrete strength, impermeability, and durability.
Pozzuoli
Pozzuoli (Puteoli) is a Campanian port town on the Gulf of Pozzuoli inside the Campi Flegrei caldera, a former major Roman harbor now known for bradyseism, recurring evacuations, and the 2026 magnitude 4.7 quake.
PP (complexity)
PP, or probabilistic polynomial time, is a complexity class of decision problems accepted by probabilistic polynomial-time machines with probability greater than 1/2, defined by John Gill in 1977.
PP Krit
PP Krit (พีพี กฤษฏ์), born Krit Amnuaydechkorn in 1999, is a Thai actor and singer who rose to fame in I Told Sunset About You.
PP-19 Bizon (Пистолет-пулемёт Бизон)
The PP-19 Bizon, or Bizon submachine gun, is a Russian submachine gun developed at the Izhmash factory in the early 1990s, distinguished by a 64-round underbarrel helical magazine.
PP-19-01 Vityaz
The PP-19-01 Vityaz (ПП-19-01 «Витязь", Russian for "knight") is a Russian 9×19mm submachine gun developed by Izhmash in 2004 and entered in service in 2008.
Pp-wave spacetime
A pp-wave spacetime, or pp-wave metric, is a Lorentzian spacetime in general relativity with a covariantly constant null vector, describing massless radiation moving at light speed.
PP2B
PP2B, also called calcineurin or PP3 (PPP3), is a Ca2+/calmodulin-activated serine/threonine protein phosphatase with ~60 kDa catalytic A and ~20 kDa regulatory B subunits; it dephosphorylates NFAT to drive T-cell activation and is inhibited by cyclosporin A and FK506.
PPA (complexity)
PPA, short for Polynomial Parity Argument, is a complexity class of total search problems within TFNP, introduced by Christos Papadimitriou in 1994, whose totality rests on undirected parity.
PPAP (Pen-Pineapple-Apple-Pen)
PPAP (Pen-Pineapple-Apple-Pen, ペンパイナッポーアッポーペン) is a 45-second 2016 novelty song by Pikotaro, comedian Daimaou Kosaka's character; it hit Billboard's Hot 100 at No. 77 and holds the Guinness record for shortest charting song.
PPARA
PPARA (NR1C1, PPARα), gene at 22q13.31 encoding a nuclear receptor regulating fatty acid metabolism; activated by fibrates; variants affect lipid-drug response.
PPARD
PPARD (NR1C2, PPARβ/δ, FAAR, NUC1) is a human chromosome 6p21.31 gene encoding PPARδ, a ligand-activated nuclear receptor transcription factor that heterodimerizes with RXR, regulates fatty acid oxidation and energy metabolism, and is a drug target with cell-proliferation safety concerns.
PPARG-related familial partial lipodystrophy
PPARG-related familial partial lipodystrophy (FPLD3, OMIM 604367) is a rare autosomal dominant lipodystrophy from loss-of-function PPARG variants, causing limb lipoatrophy, truncal fat gain, diabetes, and hypertriglyceridemia.
PPARGC1A
PPARGC1A (PGC-1alpha, HGNC:9237) is a protein-coding human gene on chromosome 4 encoding a transcriptional coactivator that acts as a master regulator of energy metabolism, discovered in 1998 in brown adipose tissue as a PPARgamma coactivator.
PPB study
PPB study: the International PPB/DICER1 Registry and the NCI DICER1-Related Tumor Predisposition Study (NCT00565903), which established DICER1 germline variants as the cause of the pleuropulmonary blastoma familial cancer syndrome.
PPBP
PPBP (pro-platelet basic protein, CXCL7) is a human chromosome 4 gene encoding platelet basic protein, precursor of the platelet chemokines CTAP-III, beta-thromboglobulin, and neutrophil-activating peptide 2 (NAP-2), a CXCR1/CXCR2 ligand.
PPC trial
PPC trial refers to clinical trials of Patient Priorities Care, an approach aligning healthcare with older adults' health priorities (outcome goals and care preferences), tested in the 2019 JAMA Internal Medicine nonrandomized trial, a 2024 Cleveland Clinic trial, and VA randomized trial NCT04922320.
Ppcocaine
Ppcocaine (Lilliane Catherine Diomi, born 2001), formerly trapbunniebubbles, is an American TikTok-viral rapper behind "DDLG" and "3 Musketeers", signed to Columbia Records in 2020.
PPCOSII trial
PPCOSII (Pregnancy in Polycystic Ovary Syndrome II), NICHD Reproductive Medicine Network trial NCT00719186: 750 women with PCOS randomized to letrozole vs clomiphene citrate; live birth 27.5% vs 19.1% favoring letrozole.
PPD-40
The PPD-40 (Pistolet-Pulemyot Degtyaryova), a Soviet submachine gun designed by Vasily Degtyaryov, was the first adopted by the USSR on a large scale, feeding from a 71-round drum magazine.
PPG Industries
PPG Industries, formerly the Pittsburgh Plate Glass Company, is an American multinational manufacturer of paints, coatings, and specialty products, founded in 1883 and headquartered in Pittsburgh, Pennsylvania.
PPG Paints Arena
PPG Paints Arena (formerly CONSOL Energy Center) is Pittsburgh's 18,000-plus-seat NHL arena, home of the Pittsburgh Penguins since 2010; renamed in 2016, LEED-Gold certified, owned by the SEA and master leased to the Penguins through 2039.
PPIA
PPIA (peptidylprolyl isomerase A, cyclophilin A, CYPA) is a human chromosome 7 gene encoding an 18 kDa, 165-amino-acid PPIase (EC 5.2.1.8), the target of cyclosporin A and a drug target in inflammation, viral infection, and cancer.
PPIB
PPIB (peptidylprolyl isomerase B), also known as CYPB, is a human gene on chromosome 15 encoding cyclophilin B, whose recessive mutations cause osteogenesis imperfecta type IX.
PPIF
PPIF (CYP3, CypD) is a human chromosome 10 gene encoding cyclophilin D, the mitochondrial matrix peptidyl-prolyl isomerase that positively regulates the mitochondrial permeability transition pore and is a drug target in ischemia-reperfusion and neurodegeneration.
PPL Corporation
PPL Corporation, originally Pennsylvania Power & Light, is an Allentown, Pennsylvania energy holding company formed in 1920 that delivers electricity in four states and gas in two.
Ppm America Private Equity
PPM America Private Equity is the co-investment and fund-of-funds business of PPM America, a Chicago asset manager founded in 1990 and owned by Jackson Financial.