Questions tagged [enzyme]

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May subclinical Acatalasemia cause premature gray hair in an otherwise healthy human and if so, how is it normally treated?

It was written in the current version of the Wikipedia article Catalase: Low levels of catalase may play a role in the graying process of human hair. Hydrogen peroxide is naturally produced by the ...
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2 votes
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What other function does PCSK9 have, other than LDL cholesterol control? [closed]

I am trying to understand if PCSK9 has other functions in the body, other than the one mentioned in the question title. I know it can be found in different tissues, but I can't find anything about ...
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1 vote
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Why is the antibiotic Sulfamethoxazole on its own is considered bacteriostatic and in combination with Trimethoprim it is considered bactericidal?

I am reading about sulfonamides and I see that Sulfamethoxazole is considered to be bacteriostatic on its own, but when combined with Trimethoprim, the combination is considered bactericidal, and I am ...
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Result of Inclusion-cells in the I-cell disease

What happens to the cells once the body doesn't have the lysosomal enzymes to degrade lipids and such. Inclusion bodies appear, but how do they provoke so many symptoms like hepatomegaly motoric delay ...
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1 vote
1 answer
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Why is trypsin inhibitor present if trypsin is already secreted in form of trypsinogen?

I was reading pancreatic digestive enzymes from a Textbook of Medical Physiology and I came across Trypsin Inhibitor, it stated that It is important that the proteolytic enzymes of the pancreatic ...
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2 votes
1 answer
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How relevant is TMPRSS2 for the entry of common-cold coronaviruses?

To complement a question here about the receptor used by the common-cold coronaviruses, I'll ask the same about the relevance of TMPRSS2 for these, noting that it seems quite important for the SARS-...
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1 vote
1 answer
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Are there drugs that help to digest wheat?

It understand that there are some sugars in wheat that some people cannot digest and that would risk them in IBS but I don't ask about drugs that fight IBS, which make intestines move slower and stuff ...
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What is the link between elevated estrogen and lowered alkaline phosphatase?

This Wikipdia-article lists several conditions or diseases that may lead to reduced levels of alkaline phosphatase (AP). Among them are: postmenopausal women receiving estrogen therapy because of ...
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1 answer
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Digestion and absorption of large scale protein structures

In school we learned that all ingested proteins are digested via denaturation and breaking up the larger macro-structure into peptides and amino-acids so small that they can be absorbed and which are ...
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3 votes
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Interaction of Trypsin or Chymotrypsin with alcohol

Does Trypsin + Chymotrypsin (100000 AU) tablet interact with alcohol? I have been prescribed this for a subconjuctival hemorrhage. Online searches led me nowhere on this.
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Lactase quantity test?

Is there a way to reliably test the quantity of lactase enxymes in a solution? For example, if I were to culture multiple bacterial species which produce lactase. Is there a way to count the lacyase ...
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1 vote
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Why is lactate dehydrogenase used to differentiate exudates from transudates?

When differentiate transudates and exudates, the ration between effusion LDH and serum LDH is used: They are termed exudates if ... the pleural fluid to serum ratio of LDH (LDHR) is > 0.6, and ...
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why do we need to keep a ratio between omega 3 and omega 6?

I finally understood it with this picture.
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4 votes
2 answers
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Can Smith-Lemli-Opitz Syndrome be caused by medication?

According to several medical resources, Smith-Lemli-Opitz Syndrome (SLOS) is congenital and caused by mutation, e.g. Smith-Lemli-Opitz syndrome is caused by mutations in the DHCR7 gene, the gene that ...
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12 votes
1 answer
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How much hard liquor is safe for very small children?

I live in a location where hard liquor (48%-52% alcohol by volume) is frequently given to small children as young as two years old. This is usually not in large quantities, although a recent story in ...
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