Abstract：
:The coronavirus peplomer protein S is responsible for attachment and fusion during viral entry as well as for the induction of cell to cell fusion. While several regions within S have been shown to influence the ability to induce fusion, the region of the protein actually responsible for fusion, the fusion peptide, has not yet been identified. We identified two hydrophobic peptides (peptides #1 and #2) within MHV-A59 S2 as possible fusion domains. This was based on hydrophobicity, conservation among coronavirus S proteins and the prediction of a sided helix conformation. Using site directed mutagenesis and an in vitro cell to cell fusion assay we showed that substitution of hydrophobic amino acids with charged amino acids, within the predicted hydrophobic face of either of these two peptides eliminated fusion. Within peptide #1 substitution of the same hydrophobic amino acids with other hydrophobic amino acids or substitution of polar amino acids with charged or polar amino acids had little effect on fusion. Thus peptides #1 and #2 remain likely candidates for the MHV fusion peptide. A third previously identified peptide within S2 (Chambers et al., 1990) is unlikely as a fusion peptide as it is not well conserved among coronaviruses and substitution within the hydrophobic face with charged amino acids does not effect fusion.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Luo ZL,Weiss SRdoi
10.1007/978-1-4615-5331-1_3subject
Has Abstractpub_date
1998-01-01 00:00:00pages
17-23eissn
0065-2598issn
2214-8019journal_volume
440pub_type
杂志文章abstract：:Chemiluminescence associated with oxidation by free radicals was investigated in an alkaline, hemin-catalysed hydrogen peroxide system, using the following tryptophan metabolites as radical scavengers: indole-3-pyruvic, indole-3-propionic, kynurenic, xanthurenic and quinaldic acids and 4-hydroxy-quinoline. Light emiss...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-4709-9_49
更新日期：1999-01-01 00:00:00
abstract：:In order to clarify if "idiopathic" RPGN still exists as a distinct entity we reviewed 41 patients with histological picture of diffuse crescentic GN (60% of crescents) and no clinical evidence of systemic disease. According to the presence or absence of intraglomerular necrotizing lesions we subdivided the patients i...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4757-9182-2_76
更新日期：1993-01-01 00:00:00
abstract：:The transient length response of the cat papillary muscle in Ba2+-contracture to step tension reduction was found to comprise four different phases. It is tentatively suggested that the transient response is mostly determined by the kinetics of the attachment and detachment of cross-bridges between actin and myosin fi...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-4703-3_82
更新日期：1984-01-01 00:00:00
abstract：:The level of illness acceptance correlates positively with compliance to the doctor's recommendations, and negatively with the frequency and intensity of complications of chronic diseases. The purpose of this study was to determine the influence of the clinical condition on the level of illness acceptance, and to find...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/5584_2014_47
更新日期：2015-01-01 00:00:00
abstract：:DES is metabolized to a number of compounds through a minimum of three main metabolic routes. These routes result in some inactivity of DES as an estrogen, but the majority appear to produce estrogenic by-products, which in some cases produce divergent in vivo and in vitro hormone activities. Therefore, if DES undergo...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-7192-6_3
更新日期：1981-01-01 00:00:00
abstract：:Both innate and adaptive immune cells are involved in the mechanisms of endothelial cell proliferation, migration and activation, via production and release of a large spectrum of pro-angiogenic mediators, thus creating the specific microenvironment that favors increased rate of tissue vascularization. In this article...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-0348-0837-8_14
更新日期：2014-01-01 00:00:00
abstract：:Under certain conditions, detection of a masked tone is improved by a preceding sound ("precursor"). This phenomenon is referred to as the "temporal effect" or "overshoot". A prevalent model of overshoot, referred to as the "gain reduction model", posits that overshoot is caused by efferent reduction in cochlear gain ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4614-1590-9_8
更新日期：2013-01-01 00:00:00
abstract：:Soluble natural killer cytotoxic factors (NKCF) have been detected in the supernatant of normal mouse, rat, and human lymphocytes stimulated in vitro for 1 to 3 days in serum-free medium. Stimulation of large granular lymphocytes (LGL) with NK-sensitive targets or mitogens has resulted in high levels of NKCF productio...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-8326-0_14
更新日期：1985-01-01 00:00:00
abstract：:Prevalence of zoonotic Mycobacterium bovis (bTB) disease in human population is underreported from the North of Pakistan. Here, we report on the proportion of human bTB disease among the overall TB patients, drug resistance pattern of bTB isolates, and knowledge, attitude, and practices (KAP)-based analysis of bTB dis...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/5584_2018_170
更新日期：2018-01-01 00:00:00
abstract：:An overall view of the contractile process that has emerged from -temperature-studies on active muscle is outlined. In isometric muscle, a small rapid temperature-jump (T-jump) enhances an early, pre-phosphate release, step in the acto-myosin (crossbridge) ATPase cycle and induces a characteristic rise in force indica...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4419-6366-6_14
更新日期：2010-01-01 00:00:00
abstract：:1) An extract of D. carrota induces agglutination of most serotypes of S. mutans but not of S. salivarius or S. mitis. 2) If added to a suspension of mixed bacteria, a piece of D. carrota may selectively sorb S. mutans while S. salivarius and S. mitis only are affected to a minor degree. 3) A saliva coat on the bacter...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-3369-2_37
更新日期：1978-01-01 00:00:00
abstract：:The Siberian hamster has been a useful model for studies of mammalian photoperiodism for a number of reasons: 1) Siberian hamsters are hardy animals that are easily maintained and bred in the laboratory. 2) The species exhibits a large number of seasonal, photoperiod-driven, pineal-dependent responses. Thus, the Siber...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/0-306-46814-x_17
更新日期：1999-01-01 00:00:00
abstract：:Born 200 years ago, Darwin's revolutionary ideas were derived largely from his observations on life forms that evolved relatively recently, including various flowering plants, worms, birds and domesticated animals. Yet, life appeared on planet earth close to 4 billion years ago in the form of unicellular organisms col...
journal_title：Advances in experimental medicine and biology
pub_type： 历史文章,杂志文章
doi：10.1007/978-1-4419-7185-2_6
更新日期：2011-01-01 00:00:00
abstract：:Myocardial ischemia-reperfusion (IR) injury during acute myocardial infarction or open-heart surgery would promote oxidative stress, leading to the accumulation of reactive aldehydes that cause cardiac damage. It has been well demonstrated that aldehyde dehydrogenase (ALDH)-2 is an important cardioprotective enzyme fo...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-981-13-6260-6_6
更新日期：2019-01-01 00:00:00
abstract：:Because several antigenic peptides of human tumors that are recognized by T-lymphocytes have been identified, immune responses against cancer can now be artificially manipulated. Furthermore, since T-lymphocytes have been found to play an important role in the rejection of tumors by the host and also to have antigen-s...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4614-3146-6_6
更新日期：2012-01-01 00:00:00
abstract：:Recently, we collected basic morphometric data from normal and hypertrophic rat hearts: median and mean values of the cell diameter and of the intercapillary distance as well as their variabilities. In the present communication we used these data, first for analysis of the effect of the heterogeneity of capillary spac...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-4895-5_44
更新日期：1984-01-01 00:00:00
abstract：:In the last few years, Indol-3-pyruvic acid (IPA) has been subjected to 5 pilot clinical trials in volunteers and a phase II study on patients affected by anxiety, with or without sleep problems. Overall, results indicated a very good safety profile, relief from anxiety and a better quality of sleep in patients treate...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4615-4709-9_29
更新日期：1999-01-01 00:00:00
abstract：:Vaccines against viral disease have traditionally relied on attenuated virus strains or inactivation of infectious virus. Subunit vaccines based on viral proteins expressed in heterologous systems have been effective for some pathogens, but have often suffered from poor immunogenicity due to incorrect protein folding ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4419-1132-2_11
更新日期：2009-01-01 00:00:00
abstract：:Stem cells serve as persistent reservoirs for replenishment of rapidly renewing tissues, frequently also ensuring that the correct tissue morphology is maintained. This process is inherently stochastic due to the small number and stochastic division patterns within the stem cell compartments, as well as the essentiall...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4419-7210-1_11
更新日期：2012-01-01 00:00:00
abstract：:Recent advances in radiotherapy and chemotherapy have led to higher cure rates for female children and adolescents with cancer. However, these treatments adversely affect germ cell survival, and ovarian failure is thus a probable side effect of these anticancer therapies. Moreover, an increasing number of women are ch...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4614-8214-7_4
更新日期：2013-01-01 00:00:00
abstract：:This retrospective research was conducted in the Department of Obstetrics and Gynaecology of the Dr. Cipto Mangunkusumo Hospital, Jakarta, covering the period between 1977 and 1981. The incidence of hydatidiform mole was 1 in 77 pregnancies. The incidence of malignant trophoblastic disease was 1 in 185 pregnancies. Of...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4684-4811-5_9
更新日期：1984-01-01 00:00:00
abstract：:Observations indicate three different tissues of origin for ovarian carcinoma. The ovarian surface epithelium, oviduct epithelium (TSE), and derivates of the Müllerian duct. This chapter discusses the TSE-related ovarian carcinogenesis (exfoliation theory). Recent evidence from prophylactic removed ovaries and Fallopi...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-0-387-68969-2_7
更新日期：2008-01-01 00:00:00
abstract：:Adaptation to hypoxia is essential for regulating the survival and functions of hypoxic cells; it is mainly mediated by the hypoxia-inducible factor 1 (HIF1). The alpha subunit of HIF1 (HIF1α) is a well-known regulatory component of HIF1, which is tightly controlled by various types of HIF1α-regulating processes. Prev...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-030-34461-0_34
更新日期：2020-01-01 00:00:00
abstract：:Porphyrins form extremely stable chelates with Cu2+. Two copper radionuclides, 67Cu and 64Cu, have attractive nuclear decay properties for use in nuclear medicine applications. We have investigated the use of radiocopper-labeled porphyrins for localization in inflamed tissue and for attachment to antibodies for tumor ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4613-0537-8_9
更新日期：1989-01-01 00:00:00
abstract：:Aldehydes are secondary breakdown products of unsaturated lipids. In particular, polyunsaturated lipid fatty acids of the omega-6 and omega-3 families are highly susceptible to oxidation. Using static headspace analysis, the specific aldehyde markers were studied. While linoleic, gamma-linolenic and arachidonic acids ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4615-1247-9_9
更新日期：2001-01-01 00:00:00
abstract：:Protein folding and structure have been of interest since the dawn of protein chemistry. Following translation from the ribosome, a protein must go through various steps to become a functional member of the cellular society. Every protein has a unique function in the cell and is classified on this basis. Proteins that...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-3-319-23603-2_12
更新日期：2015-01-01 00:00:00
abstract：:In the central nervous system (CNS) of mammals axonal regeneration is limited by two main factors: first, the low intrinsic regenerative potential of adult CNS neurons and second, inhibitory influences of the glial and extracellular environment. Myelin-associated inhibitors of neurite growth as well as some properties...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4615-4685-6_16
更新日期：1999-01-01 00:00:00
abstract：:[Hydroxyproline3]Lysyl-bradykinin ([Hyp3]Lys-BK), a new kinin was isolated, besides Lysyl-bradykinin (Lys-BK), from the reaction mixture of human plasma protein Cohn's fraction IV-4 with hog pancreatic kallikrein. The liberated kinins were isolated by procedures including ethanol extraction, Sephadex G-15, CM cellulos...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-9543-4_83
更新日期：1989-01-01 00:00:00
abstract：:Glioblastoma remains a tumor with a dismal prognosis because of failure of current treatment. Glioblastoma cells with stem cell (GSC) properties survive chemotherapy and give rise to tumor recurrences that invariably result in the death of the patients. Here we summarize the current knowledge on chemoresistance of mal...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-3-319-16537-0_7
更新日期：2015-01-01 00:00:00
abstract：:There is a positive correlation between lactate output and insulin secretion but there is no correlation between total islet PEP content and insulin secretion and no correlation between cAMP production and insulin release. Neither PEP or cAMP seem to be primary triggers to insulin release but may rather act as positiv...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
doi：10.1007/978-1-4615-9110-8_13
更新日期：1979-01-01 00:00:00
