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Disorders of Erythrocytes01:27

Disorders of Erythrocytes

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Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
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The Periodic Table and Organismal Elements00:57

The Periodic Table and Organismal Elements

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Overview
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The Periodic Table and Organismal Elements01:27

The Periodic Table and Organismal Elements

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Elements are the smallest units of matter that cannot be broken down further by chemical processes. There are 118 known elements, but not all of these are naturally occurring, and only a few of them are essential for life. Living matter is composed primarily of carbon, nitrogen, hydrogen, and oxygen, with smaller amounts of other elements like calcium, phosphorus, potassium, and sulfur. Other elements are also necessary for life but only in trace amounts.
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The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
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Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
 
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Vitamins01:30

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Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
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A Colorimetric Method for Measuring Iron Content in Plants
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鉄欠乏症

Sant-Rayn Pasricha1, Jason Tye-Din2, Martina U Muckenthaler3

  • 1Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Diagnostic Haematology, The Royal Melbourne Hospital, Parkville, VIC, Australia; Department of Clinical Haematology, Peter MacCallum Cancer Centre and The Royal Melbourne Hospital, Melbourne, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.

Lancet (London, England)
|December 7, 2020
PubMed
まとめ

鉄欠乏症は 世界中で何百万人もの人に 影響を及ぼし 貧血やその他の健康問題につながります 現代 の 鉄 の 治療 は 有効 な 解決策 を 提供 し て い ます が,根本 的 な 原因 は 調べる 必要 が あり ます.

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Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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関連する実験動画

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Measurement of Tissue Non-Heme Iron Content using a Bathophenanthroline-Based Colorimetric Assay
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Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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科学分野:

  • 血液学
  • 栄養学
  • 公衆衛生

背景:

  • 鉄欠乏症は世界的な健康問題であり,様々な集団に影響を与え,貧血や機能障害を引き起こす.
  • 鉄の代謝はヘプシジンによって調節され,特に炎症時に鉄の供給を制御する.
  • 経口鉄療法は標準ですが,ヘプシジンと炎症により吸収が制限されます.

研究 の 目的:

  • 鉄欠乏症と現在の治療戦略の影響を検討する.
  • ヘプシディンが鉄の恒常性および治療の有効性を強調する.
  • 腸内鉄の原因と利点の調査の重要性を強調する.

主な方法:

  • 鉄欠乏症,貧血,ヘプシディン調節,治療結果に関する文献レビュー
  • 経口対経口鉄療法の有効性と安全性の分析
  • 鉄欠乏の原因を特定するための診断方法についての議論

主要な成果:

  • 鉄欠乏症は著しい罹病率を引き起こし,貧血が重要な結果である.
  • 経口での鉄分と炎症によるヘプシディンの上昇は,鉄分吸収の効率を低下させる.
  • 腸内鉄分調合剤は 効率的かつ迅速な鉄分補給を提供します.
  • 肝臓病や胃腸出血などの 根本的な原因を特定することが重要です

結論:

  • 鉄欠乏症は 世界的に深刻な健康問題であり 総合的な管理が必要である.
  • 親体鉄は特定のシナリオで口腔鉄に優れている.
  • 効果的な治療と公衆衛生の目標には 根本的な原因を体系的に調査し 標的を絞った補給プログラムが不可欠です