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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">55110</article-id>
   <article-id pub-id-type="doi">10.29039/rusjbpc.2022.0532</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Общая биофизика</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>General biophysics</subject>
    </subj-group>
    <subj-group>
     <subject>Общая биофизика</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">HEMOGLOBIN TEMPERATURE BEHAVIOR</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ТЕМПЕРАТУРНОЕ ПОВЕДЕНИЕ ГЕМОГЛОБИНА</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Тимченко</surname>
       <given-names>Н. Н.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Timchenko</surname>
       <given-names>N. N.</given-names>
      </name>
     </name-alternatives>
     <email>timchenko_n@list.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Головченко</surname>
       <given-names>И. В.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Golovchenko</surname>
       <given-names>I. V.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Севастопольский государственный университет</institution>
     <city>Севастополь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Sevastopol State University</institution>
     <city>Sevastopol</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Севастопольский государственный университет</institution>
     <city>Севастополь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Sevastopol State University</institution>
     <city>Sevastopol</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2022-09-28T20:22:29+03:00">
    <day>28</day>
    <month>09</month>
    <year>2022</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2022-09-28T20:22:29+03:00">
    <day>28</day>
    <month>09</month>
    <year>2022</year>
   </pub-date>
   <volume>7</volume>
   <issue>3</issue>
   <fpage>388</fpage>
   <lpage>392</lpage>
   <history>
    <date date-type="received" iso-8601-date="2022-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2022</year>
    </date>
    <date date-type="accepted" iso-8601-date="2022-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2022</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/55110/view">https://rusjbpc.ru/en/nauka/article/55110/view</self-uri>
   <abstract xml:lang="ru">
    <p>Широкое применение методов низкотемпературного хранения биологических объектов требует изучения механизмов влияния температуры на молекулярном уровне. Исследовано влияние температуры в диапазоне +10÷+38°С на гемоглобин А, при этом использовали методы температурно-пертурбационной дифференциальной спектрофотометрии и анализа первых производных спектров поглощения. Зависимость ΔЕ/Е от температуры для раствора гемоглобина А имеет S-образный вид. На зависимости ΔЕ/Е от температуры для гемоглобина А наблюдаются изломы: первый в области температуры +25÷+27°С и второй излом в области температур +33÷+35°С. В эксперименте, проведённом на миеломном иммуноглобулине G, получена S-образная зависимость интенсивности температурно-пертурбационных дифференциальных спектров от температуры, которая имеет изломы при +25 и +35°С. Авторы данную S-образную зависимость связывают с наличием конформационного перехода в области температур +25÷+35°С. По-видимому, можно предположить, что в молекуле гемоглобина А конформационные изменения происходят в области температур +25÷+35°С. По данным спектрофотометрии конформационное состояние глобина изменяется при температурах около +26÷+30°С. Данные наших исследований свидетельствуют о наличии конформационных перестроек в молекуле гемоглобина при +25 и +35°С. Наши данные, предположительно свидетельствующие об изменении структуры гемоглобина А человека при температуре около +25°С, вероятно, подтверждаются и другими исследованиями с помощью динамического светорассеяния, некогерентного светорассеяния, IR-спектроскопии, исследованиями для внутриэритроцитарного гемоглобина А донорской крови 5-ти дней хранения о содержании оксигемоглобина А, согласно которому, так как уменьшение содержания оксигемоглобина А и оксигенация молекулы гемоглобина связана с её конформационным состоянием, то, возможно, при +25°С начинает проявляться изменение конформационного состояния молекулы гемоглобина А, которое может способствовать более выраженному уменьшению содержания оксигемоглобина А. Особенные свойства HbA, определяющие наличие специальной температуры около +25°С на температурных зависимостях различных параметров гемоглобина, требует дальнейшего исследования в сравнении в различных температурных интервалах.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The wide application of biological objects low-temperature storage methods requires studying the temperature influence mechanisms at the molecular level. The effect of +10÷+38°C temperature range on hemoglobin A was studied using the methods of temperature-perturbation spectrophotometry and absorption spectra first derivatives analysis. The ΔE/E dependence on temperature for hemoglobin A solution is of an S-shaped form. On the ΔE/E dependence on temperature for hemoglobin A, breaks are observed: the first in +25÷+27°C temperature range and the second break in +33÷+35°C temperature range. In the experiment performed on myeloma immunoglobulin G, the S-shaped dependence of the temperature-differential spectra intensity on temperature was obtained, which has breaks at +25 and +35°C. The authors attribute this S-shaped dependence to the conformational transition presence in +25÷+35°C temperature range. Apparently, it can be assumed that in the hemoglobin A molecule, conformational changes occur in +25÷+35°C temperature range of +25÷+35°. According to spectrophotometry data, the globin conformational state changes at temperatures around +26÷+30°C. Our studies data indicate the conformational rearrangements presence in the hemoglobin molecule at 25 and 35°C. Our data, presumably indicating a change in the structure of human hemoglobin A at a temperature of about 25°C, are probably confirmed by other studies using dynamic light scattering, incoherent light scattering, IR spectroscopy, studies for intraerythrocyte hemoglobin A of donor blood 5 days of storage on oxyhemoglobin A content, according to which, since a decrease in oxyhemoglobin A content and hemoglobin molecule oxygenation is associated with its conformational state, it is possible that at 25°C a change in the hemoglobin A molecule conformational state begins to appear, which can contribute to a more pronounced decrease in oxyhemoglobin A content. The peculiar properties of HbA, which determine the presence of a special temperature of about 25°C on the various hemoglobin parameters temperature dependences, require further study in comparison in different temperature ranges.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>гемоглобин</kwd>
    <kwd>конформационные изменения</kwd>
    <kwd>температура</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>hemoglobin</kwd>
    <kwd>conformational changes</kwd>
    <kwd>temperature</kwd>
   </kwd-group>
  </article-meta>
 </front>
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