Multiscale wavelet decomposition of time-resolved X-ray diffraction signals in cyclohexadiene.

abstract：:Coherent anti-Stokes Raman scattering (CARS) spectra are reported for flavin adenine dinucleotide (FAD) and glucose oxidase (beta-D-glucose:oxygen 1-oxidoreductase; EC 1.1.3.4), in resonance with the 450 nm flavin absorption band. Several isoalloxazine ring modes were observed (1635, 1584, 1507, 1416, and 1359 cm(-1))...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Dutta PK,Nestor JR,Spiro TG

更新日期：1977-10-01 00:00:00

abstract：:In t(15;17) acute promyelocytic leukemia, all-trans retinoic acid (RA) induces leukemic cell maturation in vitro and remission in acute promyelocytic leukemia patients, but in vivo treatments invariably lead to relapse with resistance to RA. NB4, a maturation-inducible cell line, and NB4-RAr sublines (R1 and R2) displ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Ruchaud S,Duprez E,Gendron MC,Houge G,Genieser HG,Jastorff B,Doskeland SO,Lanotte M

更新日期：1994-08-30 00:00:00

abstract：:Experimental and computational simulations revealed that boron clusters, which favor planar (2D) structures up to 18 atoms, prefer 3D structures beginning at 20 atoms. Using global optimization methods, we found that the B20 neutral cluster has a double-ring tubular structure with a diameter of 5.2 A. For the B(-)20 a...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Kiran B,Bulusu S,Zhai HJ,Yoo S,Zeng XC,Wang LS

更新日期：2005-01-25 00:00:00

abstract：:Humans and other primates are distinct among placental mammals in having exceptionally slow rates of growth, reproduction, and aging. Primates' slow life history schedules are generally thought to reflect an evolved strategy of allocating energy away from growth and reproduction and toward somatic investment, particul...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Pontzer H,Raichlen DA,Gordon AD,Schroepfer-Walker KK,Hare B,O'Neill MC,Muldoon KM,Dunsworth HM,Wood BM,Isler K,Burkart J,Irwin M,Shumaker RW,Lonsdorf EV,Ross SR

更新日期：2014-01-28 00:00:00

abstract：:Expansins are unusual proteins discovered by virtue of their ability to mediate cell wall extension in plants. We identified cDNA clones for two cucumber expansins on the basis of peptide sequences of proteins purified from cucumber hypocotyls. The expansin cDNAs encode related proteins with signal peptides predicted ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Shcherban TY,Shi J,Durachko DM,Guiltinan MJ,McQueen-Mason SJ,Shieh M,Cosgrove DJ

更新日期：1995-09-26 00:00:00

abstract：:Various reconstructive procedures have been attempted to restore a cosmetically acceptable phallus that would allow normal reproductive, sexual, and urinary function in patients requiring penile reconstruction. However, these procedures are limited by a shortage of native penile tissue. We previously demonstrated that...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Chen KL,Eberli D,Yoo JJ,Atala A

更新日期：2010-02-23 00:00:00

abstract：:The gene encoding human plakoglobin was mapped to chromosome 17q12-q22. An intragenic restriction fragment length polymorphism was used to localize the plakoglobin gene distal to locus KRT10 and proximal to the marker D17S858. The plakoglobin gene colocalizes with the polymorphic 17q21 marker UM8 on the same cosmid in...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Aberle H,Bierkamp C,Torchard D,Serova O,Wagner T,Natt E,Wirsching J,Heidkämper C,Montagna M,Lynch HT

更新日期：1995-07-03 00:00:00

abstract：:When a sensory stimulus repeats, neuronal firing rate and functional MRI blood oxygen level-dependent responses typically decline, yet perception and behavioral performance either stay constant or improve. An additional aspect of neuronal activity is neuronal synchronization, which can enhance the impact of neurons on...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Brunet NM,Bosman CA,Vinck M,Roberts M,Oostenveld R,Desimone R,De Weerd P,Fries P

更新日期：2014-03-04 00:00:00

abstract：:Human skeletal muscle is composed of various muscle fiber types. We hypothesized that differences in metabolism between fiber types could be detected noninvasively with 31P nuclear magnetic resonance spectroscopy during maximal exercise. This assumes that during maximal exercise all fiber types are recruited and all v...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Vandenborne K,McCully K,Kakihira H,Prammer M,Bolinger L,Detre JA,De Meirlier K,Walter G,Chance B,Leigh JS

更新日期：1991-07-01 00:00:00

abstract：:An assay has been developed to test the hypothesis that neurons from a limited area of the retina will adhere preferentially to that part of the optic tectum near their normal synaptic termini. The method measures the adherence of (32)P-labeled cell bodies from either the dorsal or ventral half of the neural retina of...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Barbera AJ,Marchase RB,Roth S

更新日期：1973-09-01 00:00:00

abstract：:Microorganisms have mechanisms to sense their environment and rapidly adapt to survive changes in conditions. In Streptomyces albus, various transcriptional repressors mediate the induction of heat shock genes. The RheA repressor regulates the synthesis of HSP18, a small heat shock protein, which plays a role in therm...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Servant P,Grandvalet C,Mazodier P

更新日期：2000-03-28 00:00:00

abstract：:The science around the use of masks by the public to impede COVID-19 transmission is advancing rapidly. In this narrative review, we develop an analytical framework to examine mask usage, synthesizing the relevant literature to inform multiple areas: population impact, transmission characteristics, source control, wea...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Howard J,Huang A,Li Z,Tufekci Z,Zdimal V,van der Westhuizen HM,von Delft A,Price A,Fridman L,Tang LH,Tang V,Watson GL,Bax CE,Shaikh R,Questier F,Hernandez D,Chu LF,Ramirez CM,Rimoin AW

更新日期：2021-01-26 00:00:00

abstract：:Tactoids are nuclei of an orientationally ordered nematic phase that emerge upon cooling the isotropic phase. In addition to providing a natural setting for exploring chromonics under confinement, we show that tactoids can also serve as optical probes to delineate the role of temperature and concentration in the aggre...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Nayani K,Fu J,Chang R,Park JO,Srinivasarao M

更新日期：2017-04-11 00:00:00

abstract：:Antagonists of growth hormone-releasing hormone (GH-RH) inhibit the growth of various tumors through mechanisms that involve the suppression of the insulin-like growth factor I and/or insulin-like growth factor II levels or secretion. In the present study, we tested the hypothesis that the tumor inhibition is associat...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Kiaris H,Schally AV

更新日期：1999-01-05 00:00:00

abstract：:Resistance to ionizing radiation (IR), which is a conventional treatment for osteosarcoma that cannot be resected, undermines the efficacy of this therapy. However, the mechanism by which IR induces radioresistance in osteosarcoma is not defined. Here, we report that CR6-interacting factor-1 (CRIF1) is highly expresse...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Ran Q,Jin F,Xiang Y,Xiang L,Wang Q,Li F,Chen L,Zhang Y,Wu C,Zhou L,Xiao Y,Chen L,Wu J,Zhong JF,Li SC,Li Z

更新日期：2019-10-08 00:00:00

abstract：:Measurements of submicron particles by Fourier transform infrared spectroscopy in 14 campaigns in North America, Asia, South America, and Europe were used to identify characteristic organic functional group compositions of fuel combustion, terrestrial vegetation, and ocean bubble bursting sources, each of which often ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Russell LM,Bahadur R,Ziemann PJ

更新日期：2011-03-01 00:00:00

abstract：:Matrix metalloprotease type 9 (MMP-9) has been functionally implicated in VEGF activation, the induction and maintenance of chronic angiogenesis, and early stage tumor growth in a number of mouse models of cancer. In this article, we have identified two inflammatory cell types that are major sources of MMP-9 in the an...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Nozawa H,Chiu C,Hanahan D

更新日期：2006-08-15 00:00:00

abstract：:In Epstein-Barr virus (EBV)-positive Burkitt lymphoma (BL) the role of EBV in the translocation and deregulation of the MYC oncogene remains unknown. By utilizing an EBV-negative BL (BJAB) and several EBV-positive sublines derived from it by in vitro infection, it was possible to show that the presence of the virus wa...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Lacy J,Summers WP,Watson M,Glazer PM,Summers WC

更新日期：1987-08-01 00:00:00

abstract：:Incubation of sickle cells with cystamine, a thiol reagnet, resulted in the formation of an intracellular S-ethylamine derivative. The rate of the reaction was dependent upon the cystamine concentration, the temperature, and the duration of the incubation. The cystamine-treated cells demonstrated a marked inhibition o...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Hassan W,Beuzard Y,Rosa J

更新日期：1976-09-01 00:00:00

abstract：:Aortic endothelial cells from normal pigs and pigs with von Willebrand disease have been established in long-term cultures. Both cultures appeared similar in terms of general growth characteristics, morphologic features and ultrastructure. Immunofluorescent staining of these cultures with chicken (or rabbit) antiporci...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Booyse FM,Quarfoot AJ,Bell S,Fass DN,Lewis JC,Mann KG,Bowie EJ

更新日期：1977-12-01 00:00:00

abstract：:We established stable COS-7 cell lines overexpressing recombinant PTPMEG and an inactive mutant form in which the active site cysteine is mutated to serine (PTPMEGCS). We found that both endogenous and recombinant enzyme were primarily located in the membrane and cytoskeletal fractions of COS-7 cells. Endogenous PTPME...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Gu M,Meng K,Majerus PW

更新日期：1996-11-12 00:00:00

abstract：:The dansyl-conjugated (Dns) peptides Dns-Pro-Gly-Gly-Gln-Gln-Ile-Val and Dns-Ala-Gln-Gln-Ile-Val, patterned on the N-terminal sequence of fibronectin, were synthesized and used for the transglutaminase (protein-glutamine:amine gamma-glutamyltransferase, EC 2.3.2.13)-directed selective blocking of lens proteins that ot...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Lorand L,Parameswaran KN,Velasco PT

更新日期：1991-01-01 00:00:00

abstract：:Shoot architecture is critical for optimizing plant adaptation and productivity. In contrast with annuals, branching in perennials native to temperate and boreal regions must be coordinated with seasonal growth cycles. How branching is coordinated with seasonal growth is poorly understood. We identified key components...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Maurya JP,Miskolczi PC,Mishra S,Singh RK,Bhalerao RP

更新日期：2020-05-26 00:00:00

abstract：:Members of the tumor necrosis factor receptor (TNFR) superfamily are important for cell growth and survival. In addition to providing costimulatory signals for cell proliferation, ligation of both TNFR1 and Fas can result in programmed cell death or apoptosis. The underlying mechanism requires an intact 80-aa stretch ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Prasad KV,Ao Z,Yoon Y,Wu MX,Rizk M,Jacquot S,Schlossman SF

更新日期：1997-06-10 00:00:00

abstract：:The addition of 10 mM glycine to a physiological saline bathing Ehrlich ascites tumor cells is followed by a slow increase in cell volume that plateaus between 15 and 30 min at a level approximately equal to 17% greater than the control volume; this increase is not observed when glycine is added to cells suspended in ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Hudson RL,Schultz SG

更新日期：1988-01-01 00:00:00

abstract：:Specific antibodies against types I and III collagens and procollagens were used to localize these proteins in cultured human cells. These studies indicate that the same cell makes both proteins. No type III procollagen synthesis was observed in cells from two patients with two patients with the Ehlers-Danlos type IV ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Gay S,Martin GR,Muller PK,Timpl R,Kuhn K

更新日期：1976-11-01 00:00:00

abstract：:Keratins 14 and 5 are the structural hallmarks of the basal keratinocytes of the epidermis and outer root sheath (ORS) of the hair follicle. Their genes are controlled in a tissue-specific manner and thus serve as useful tools to elucidate the regulatory mechanisms involved in keratinocyte-specific transcription. Prev...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Sinha S,Fuchs E

更新日期：2001-02-27 00:00:00

abstract：:Recently, a 29-residue cyclic peptide was synthesized (TrPepz) that was reported to possess nearly the same catalytic activity and specificity as the pancreatic serine protease, trypsin, for hydrolysis of a small ester substrate, N-tosyl-L-arginine methyl ester (TAME), and small and large peptides [Atassi, M. Z. & Man...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Wells JA,Fairbrother WJ,Otlewski J,Laskowski M Jr,Burnier J

更新日期：1994-05-10 00:00:00

abstract：:Deletion of 13 amino acids from the carboxyl terminus of the 149-amino acid staphylococcal nuclease molecule results in a denatured, partly unfolded molecule that lacks persistent secondary structure but is compact under physiological conditions. Since the modification is a carboxyl-terminal deletion, it is argued tha...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Flanagan JM,Kataoka M,Shortle D,Engelman DM

更新日期：1992-01-15 00:00:00

abstract：:The proton markers located in the minor groove of the d(C-G-C-G-A-A-T-T-C-G-C-G) duplex and its netropsin complex have been assigned from measurements of intramolecular nuclear Overhauser effects (NOEs) between exchangeable imino protons and nonexchangeable base protons on the same and adjacent base pairs. Several poi...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Patel DJ

更新日期：1982-11-01 00:00:00